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/*
* The simplest mpeg encoder ( well , it was the simplest ! )
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* Copyright ( c ) 2000 , 2001 Fabrice Bellard .
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* Copyright ( c ) 2002 - 2004 Michael Niedermayer < michaelni @ gmx . at >
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*
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* This library is free software ; you can redistribute it and / or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation ; either
* version 2 of the License , or ( at your option ) any later version .
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*
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* This library is distributed in the hope that it will be useful ,
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* but WITHOUT ANY WARRANTY ; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
* Lesser General Public License for more details .
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*
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* You should have received a copy of the GNU Lesser General Public
* License along with this library ; if not , write to the Free Software
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* Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 USA
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*
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* 4 MV & hq & b - frame encoding stuff by Michael Niedermayer < michaelni @ gmx . at >
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*/
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/**
* @ file mpegvideo . c
* The simplest mpeg encoder ( well , it was the simplest ! ) .
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*/
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# include "avcodec.h"
# include "dsputil.h"
# include "mpegvideo.h"
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# include "faandct.h"
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# include <limits.h>
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# ifdef USE_FASTMEMCPY
# include "fastmemcpy.h"
# endif
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//#undef NDEBUG
//#include <assert.h>
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# ifdef CONFIG_ENCODERS
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static void encode_picture ( MpegEncContext * s , int picture_number ) ;
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# endif //CONFIG_ENCODERS
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static void dct_unquantize_mpeg1_intra_c ( MpegEncContext * s ,
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DCTELEM * block , int n , int qscale ) ;
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static void dct_unquantize_mpeg1_inter_c ( MpegEncContext * s ,
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DCTELEM * block , int n , int qscale ) ;
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static void dct_unquantize_mpeg2_intra_c ( MpegEncContext * s ,
DCTELEM * block , int n , int qscale ) ;
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static void dct_unquantize_mpeg2_intra_bitexact ( MpegEncContext * s ,
DCTELEM * block , int n , int qscale ) ;
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static void dct_unquantize_mpeg2_inter_c ( MpegEncContext * s ,
DCTELEM * block , int n , int qscale ) ;
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static void dct_unquantize_h263_intra_c ( MpegEncContext * s ,
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DCTELEM * block , int n , int qscale ) ;
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static void dct_unquantize_h263_inter_c ( MpegEncContext * s ,
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DCTELEM * block , int n , int qscale ) ;
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static void draw_edges_c ( uint8_t * buf , int wrap , int width , int height , int w ) ;
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# ifdef CONFIG_ENCODERS
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static int dct_quantize_c ( MpegEncContext * s , DCTELEM * block , int n , int qscale , int * overflow ) ;
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static int dct_quantize_trellis_c ( MpegEncContext * s , DCTELEM * block , int n , int qscale , int * overflow ) ;
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static int dct_quantize_refine ( MpegEncContext * s , DCTELEM * block , int16_t * weight , DCTELEM * orig , int n , int qscale ) ;
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static int sse_mb ( MpegEncContext * s ) ;
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static void denoise_dct_c ( MpegEncContext * s , DCTELEM * block ) ;
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# endif //CONFIG_ENCODERS
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# ifdef HAVE_XVMC
extern int XVMC_field_start ( MpegEncContext * s , AVCodecContext * avctx ) ;
extern void XVMC_field_end ( MpegEncContext * s ) ;
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extern void XVMC_decode_mb ( MpegEncContext * s ) ;
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# endif
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void ( * draw_edges ) ( uint8_t * buf , int wrap , int width , int height , int w ) = draw_edges_c ;
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/* enable all paranoid tests for rounding, overflows, etc... */
//#define PARANOID
//#define DEBUG
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/* for jpeg fast DCT */
# define CONST_BITS 14
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static const uint16_t aanscales [ 64 ] = {
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/* precomputed values scaled up by 14 bits */
16384 , 22725 , 21407 , 19266 , 16384 , 12873 , 8867 , 4520 ,
22725 , 31521 , 29692 , 26722 , 22725 , 17855 , 12299 , 6270 ,
21407 , 29692 , 27969 , 25172 , 21407 , 16819 , 11585 , 5906 ,
19266 , 26722 , 25172 , 22654 , 19266 , 15137 , 10426 , 5315 ,
16384 , 22725 , 21407 , 19266 , 16384 , 12873 , 8867 , 4520 ,
12873 , 17855 , 16819 , 15137 , 12873 , 10114 , 6967 , 3552 ,
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8867 , 12299 , 11585 , 10426 , 8867 , 6967 , 4799 , 2446 ,
4520 , 6270 , 5906 , 5315 , 4520 , 3552 , 2446 , 1247
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} ;
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static const uint8_t h263_chroma_roundtab [ 16 ] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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0 , 0 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 2 , 2 ,
} ;
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static const uint8_t ff_default_chroma_qscale_table [ 32 ] = {
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31
} ;
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# ifdef CONFIG_ENCODERS
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static uint8_t ( * default_mv_penalty ) [ MAX_MV * 2 + 1 ] = NULL ;
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static uint8_t default_fcode_tab [ MAX_MV * 2 + 1 ] ;
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enum PixelFormat ff_yuv420p_list [ 2 ] = { PIX_FMT_YUV420P , - 1 } ;
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static void convert_matrix ( DSPContext * dsp , int ( * qmat ) [ 64 ] , uint16_t ( * qmat16 ) [ 2 ] [ 64 ] ,
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const uint16_t * quant_matrix , int bias , int qmin , int qmax , int intra )
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{
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int qscale ;
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int shift = 0 ;
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for ( qscale = qmin ; qscale < = qmax ; qscale + + ) {
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int i ;
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if ( dsp - > fdct = = ff_jpeg_fdct_islow
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# ifdef FAAN_POSTSCALE
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| | dsp - > fdct = = ff_faandct
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# endif
) {
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for ( i = 0 ; i < 64 ; i + + ) {
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const int j = dsp - > idct_permutation [ i ] ;
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/* 16 <= qscale * quant_matrix[i] <= 7905 */
/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
/* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat [ qscale ] [ i ] = ( int ) ( ( uint64_t_C ( 1 ) < < QMAT_SHIFT ) /
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( qscale * quant_matrix [ j ] ) ) ;
}
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} else if ( dsp - > fdct = = fdct_ifast
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# ifndef FAAN_POSTSCALE
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| | dsp - > fdct = = ff_faandct
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# endif
) {
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for ( i = 0 ; i < 64 ; i + + ) {
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const int j = dsp - > idct_permutation [ i ] ;
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/* 16 <= qscale * quant_matrix[i] <= 7905 */
/* 19952 <= aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
/* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
/* 3444240 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat [ qscale ] [ i ] = ( int ) ( ( uint64_t_C ( 1 ) < < ( QMAT_SHIFT + 14 ) ) /
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( aanscales [ i ] * qscale * quant_matrix [ j ] ) ) ;
}
} else {
for ( i = 0 ; i < 64 ; i + + ) {
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const int j = dsp - > idct_permutation [ i ] ;
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/* We can safely suppose that 16 <= quant_matrix[i] <= 255
So 16 < = qscale * quant_matrix [ i ] < = 7905
so ( 1 < < 19 ) / 16 > = ( 1 < < 19 ) / ( qscale * quant_matrix [ i ] ) > = ( 1 < < 19 ) / 7905
so 32768 > = ( 1 < < 19 ) / ( qscale * quant_matrix [ i ] ) > = 67
*/
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qmat [ qscale ] [ i ] = ( int ) ( ( uint64_t_C ( 1 ) < < QMAT_SHIFT ) / ( qscale * quant_matrix [ j ] ) ) ;
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// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
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qmat16 [ qscale ] [ 0 ] [ i ] = ( 1 < < QMAT_SHIFT_MMX ) / ( qscale * quant_matrix [ j ] ) ;
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if ( qmat16 [ qscale ] [ 0 ] [ i ] = = 0 | | qmat16 [ qscale ] [ 0 ] [ i ] = = 128 * 256 ) qmat16 [ qscale ] [ 0 ] [ i ] = 128 * 256 - 1 ;
qmat16 [ qscale ] [ 1 ] [ i ] = ROUNDED_DIV ( bias < < ( 16 - QUANT_BIAS_SHIFT ) , qmat16 [ qscale ] [ 0 ] [ i ] ) ;
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}
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}
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for ( i = intra ; i < 64 ; i + + ) {
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int64_t max = 8191 ;
if ( dsp - > fdct = = fdct_ifast
# ifndef FAAN_POSTSCALE
| | dsp - > fdct = = ff_faandct
# endif
) {
max = ( 8191LL * aanscales [ i ] ) > > 14 ;
}
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while ( ( ( max * qmat [ qscale ] [ i ] ) > > shift ) > INT_MAX ) {
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shift + + ;
}
}
}
if ( shift ) {
av_log ( NULL , AV_LOG_INFO , " Warning, QMAT_SHIFT is larger then %d, overflows possible \n " , QMAT_SHIFT - shift ) ;
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}
}
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static inline void update_qscale ( MpegEncContext * s ) {
s - > qscale = ( s - > lambda * 139 + FF_LAMBDA_SCALE * 64 ) > > ( FF_LAMBDA_SHIFT + 7 ) ;
s - > qscale = clip ( s - > qscale , s - > avctx - > qmin , s - > avctx - > qmax ) ;
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s - > lambda2 = ( s - > lambda * s - > lambda + FF_LAMBDA_SCALE / 2 ) > > FF_LAMBDA_SHIFT ;
}
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# endif //CONFIG_ENCODERS
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void ff_init_scantable ( uint8_t * permutation , ScanTable * st , const uint8_t * src_scantable ) {
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int i ;
int end ;
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st - > scantable = src_scantable ;
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for ( i = 0 ; i < 64 ; i + + ) {
int j ;
j = src_scantable [ i ] ;
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st - > permutated [ i ] = permutation [ j ] ;
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# ifdef ARCH_POWERPC
st - > inverse [ j ] = i ;
# endif
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}
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end = - 1 ;
for ( i = 0 ; i < 64 ; i + + ) {
int j ;
j = st - > permutated [ i ] ;
if ( j > end ) end = j ;
st - > raster_end [ i ] = end ;
}
}
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# ifdef CONFIG_ENCODERS
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void ff_write_quant_matrix ( PutBitContext * pb , int16_t * matrix ) {
int i ;
if ( matrix ) {
put_bits ( pb , 1 , 1 ) ;
for ( i = 0 ; i < 64 ; i + + ) {
put_bits ( pb , 8 , matrix [ ff_zigzag_direct [ i ] ] ) ;
}
} else
put_bits ( pb , 1 , 0 ) ;
}
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# endif //CONFIG_ENCODERS
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const uint8_t * ff_find_start_code ( const uint8_t * restrict p , const uint8_t * end , uint32_t * restrict state ) {
int i ;
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assert ( p < = end ) ;
if ( p > = end )
return end ;
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for ( i = 0 ; i < 3 ; i + + ) {
uint32_t tmp = * state < < 8 ;
* state = tmp + * ( p + + ) ;
if ( tmp = = 0x100 | | p = = end )
return p ;
}
while ( p < end ) {
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if ( p [ - 1 ] > 1 ) p + = 3 ;
else if ( p [ - 2 ] ) p + = 2 ;
else if ( p [ - 3 ] | ( p [ - 1 ] - 1 ) ) p + + ;
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else {
p + + ;
break ;
}
}
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p = FFMIN ( p , end ) - 4 ;
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* state = be2me_32 ( unaligned32 ( p ) ) ;
return p + 4 ;
}
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/* init common dct for both encoder and decoder */
int DCT_common_init ( MpegEncContext * s )
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{
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s - > dct_unquantize_h263_intra = dct_unquantize_h263_intra_c ;
s - > dct_unquantize_h263_inter = dct_unquantize_h263_inter_c ;
s - > dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c ;
s - > dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c ;
s - > dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c ;
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if ( s - > flags & CODEC_FLAG_BITEXACT )
s - > dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact ;
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s - > dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c ;
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# ifdef CONFIG_ENCODERS
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s - > dct_quantize = dct_quantize_c ;
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s - > denoise_dct = denoise_dct_c ;
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# endif //CONFIG_ENCODERS
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# ifdef HAVE_MMX
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MPV_common_init_mmx ( s ) ;
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# endif
# ifdef ARCH_ALPHA
MPV_common_init_axp ( s ) ;
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# endif
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# ifdef HAVE_MLIB
MPV_common_init_mlib ( s ) ;
# endif
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# ifdef HAVE_MMI
MPV_common_init_mmi ( s ) ;
# endif
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# ifdef ARCH_ARMV4L
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MPV_common_init_armv4l ( s ) ;
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# endif
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# ifdef ARCH_POWERPC
MPV_common_init_ppc ( s ) ;
# endif
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# ifdef CONFIG_ENCODERS
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s - > fast_dct_quantize = s - > dct_quantize ;
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if ( s - > flags & CODEC_FLAG_TRELLIS_QUANT ) {
s - > dct_quantize = dct_quantize_trellis_c ; //move before MPV_common_init_*
}
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# endif //CONFIG_ENCODERS
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/* load & permutate scantables
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note : only wmv uses different ones
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*/
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if ( s - > alternate_scan ) {
ff_init_scantable ( s - > dsp . idct_permutation , & s - > inter_scantable , ff_alternate_vertical_scan ) ;
ff_init_scantable ( s - > dsp . idct_permutation , & s - > intra_scantable , ff_alternate_vertical_scan ) ;
} else {
ff_init_scantable ( s - > dsp . idct_permutation , & s - > inter_scantable , ff_zigzag_direct ) ;
ff_init_scantable ( s - > dsp . idct_permutation , & s - > intra_scantable , ff_zigzag_direct ) ;
}
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ff_init_scantable ( s - > dsp . idct_permutation , & s - > intra_h_scantable , ff_alternate_horizontal_scan ) ;
ff_init_scantable ( s - > dsp . idct_permutation , & s - > intra_v_scantable , ff_alternate_vertical_scan ) ;
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return 0 ;
}
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static void copy_picture ( Picture * dst , Picture * src ) {
* dst = * src ;
dst - > type = FF_BUFFER_TYPE_COPY ;
}
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static void copy_picture_attributes ( MpegEncContext * s , AVFrame * dst , AVFrame * src ) {
int i ;
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dst - > pict_type = src - > pict_type ;
dst - > quality = src - > quality ;
dst - > coded_picture_number = src - > coded_picture_number ;
dst - > display_picture_number = src - > display_picture_number ;
// dst->reference = src->reference;
dst - > pts = src - > pts ;
dst - > interlaced_frame = src - > interlaced_frame ;
dst - > top_field_first = src - > top_field_first ;
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if ( s - > avctx - > me_threshold ) {
if ( ! src - > motion_val [ 0 ] )
av_log ( s - > avctx , AV_LOG_ERROR , " AVFrame.motion_val not set! \n " ) ;
if ( ! src - > mb_type )
av_log ( s - > avctx , AV_LOG_ERROR , " AVFrame.mb_type not set! \n " ) ;
if ( ! src - > ref_index [ 0 ] )
av_log ( s - > avctx , AV_LOG_ERROR , " AVFrame.ref_index not set! \n " ) ;
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if ( src - > motion_subsample_log2 ! = dst - > motion_subsample_log2 )
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av_log ( s - > avctx , AV_LOG_ERROR , " AVFrame.motion_subsample_log2 doesn't match! (%d!=%d) \n " ,
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src - > motion_subsample_log2 , dst - > motion_subsample_log2 ) ;
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memcpy ( dst - > mb_type , src - > mb_type , s - > mb_stride * s - > mb_height * sizeof ( dst - > mb_type [ 0 ] ) ) ;
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for ( i = 0 ; i < 2 ; i + + ) {
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int stride = ( ( 16 * s - > mb_width ) > > src - > motion_subsample_log2 ) + 1 ;
int height = ( ( 16 * s - > mb_height ) > > src - > motion_subsample_log2 ) ;
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if ( src - > motion_val [ i ] & & src - > motion_val [ i ] ! = dst - > motion_val [ i ] ) {
memcpy ( dst - > motion_val [ i ] , src - > motion_val [ i ] , 2 * stride * height * sizeof ( int16_t ) ) ;
}
if ( src - > ref_index [ i ] & & src - > ref_index [ i ] ! = dst - > ref_index [ i ] ) {
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memcpy ( dst - > ref_index [ i ] , src - > ref_index [ i ] , s - > b8_stride * 2 * s - > mb_height * sizeof ( int8_t ) ) ;
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}
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}
}
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}
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/**
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* allocates a Picture
* The pixels are allocated / set by calling get_buffer ( ) if shared = 0
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*/
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static int alloc_picture ( MpegEncContext * s , Picture * pic , int shared ) {
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const int big_mb_num = s - > mb_stride * ( s - > mb_height + 1 ) + 1 ; //the +1 is needed so memset(,,stride*height) doesnt sig11
const int mb_array_size = s - > mb_stride * s - > mb_height ;
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const int b8_array_size = s - > b8_stride * s - > mb_height * 2 ;
const int b4_array_size = s - > b4_stride * s - > mb_height * 4 ;
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int i ;
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2002-12-09 01:29:17 +01:00
if ( shared ) {
assert ( pic - > data [ 0 ] ) ;
assert ( pic - > type = = 0 | | pic - > type = = FF_BUFFER_TYPE_SHARED ) ;
pic - > type = FF_BUFFER_TYPE_SHARED ;
} else {
int r ;
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2002-12-09 01:29:17 +01:00
assert ( ! pic - > data [ 0 ] ) ;
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r = s - > avctx - > get_buffer ( s - > avctx , ( AVFrame * ) pic ) ;
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2002-12-09 01:29:17 +01:00
if ( r < 0 | | ! pic - > age | | ! pic - > type | | ! pic - > data [ 0 ] ) {
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av_log ( s - > avctx , AV_LOG_ERROR , " get_buffer() failed (%d %d %d %p) \n " , r , pic - > age , pic - > type , pic - > data [ 0 ] ) ;
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return - 1 ;
}
if ( s - > linesize & & ( s - > linesize ! = pic - > linesize [ 0 ] | | s - > uvlinesize ! = pic - > linesize [ 1 ] ) ) {
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av_log ( s - > avctx , AV_LOG_ERROR , " get_buffer() failed (stride changed) \n " ) ;
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return - 1 ;
}
if ( pic - > linesize [ 1 ] ! = pic - > linesize [ 2 ] ) {
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av_log ( s - > avctx , AV_LOG_ERROR , " get_buffer() failed (uv stride mismatch) \n " ) ;
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return - 1 ;
}
s - > linesize = pic - > linesize [ 0 ] ;
s - > uvlinesize = pic - > linesize [ 1 ] ;
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}
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if ( pic - > qscale_table = = NULL ) {
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if ( s - > encoding ) {
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CHECKED_ALLOCZ ( pic - > mb_var , mb_array_size * sizeof ( int16_t ) )
CHECKED_ALLOCZ ( pic - > mc_mb_var , mb_array_size * sizeof ( int16_t ) )
CHECKED_ALLOCZ ( pic - > mb_mean , mb_array_size * sizeof ( int8_t ) )
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}
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CHECKED_ALLOCZ ( pic - > mbskip_table , mb_array_size * sizeof ( uint8_t ) + 2 ) //the +2 is for the slice end check
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CHECKED_ALLOCZ ( pic - > qscale_table , mb_array_size * sizeof ( uint8_t ) )
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CHECKED_ALLOCZ ( pic - > mb_type_base , big_mb_num * sizeof ( uint32_t ) )
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pic - > mb_type = pic - > mb_type_base + s - > mb_stride + 1 ;
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if ( s - > out_format = = FMT_H264 ) {
for ( i = 0 ; i < 2 ; i + + ) {
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CHECKED_ALLOCZ ( pic - > motion_val_base [ i ] , 2 * ( b4_array_size + 4 ) * sizeof ( int16_t ) )
pic - > motion_val [ i ] = pic - > motion_val_base [ i ] + 4 ;
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CHECKED_ALLOCZ ( pic - > ref_index [ i ] , b8_array_size * sizeof ( uint8_t ) )
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}
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pic - > motion_subsample_log2 = 2 ;
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} else if ( s - > out_format = = FMT_H263 | | s - > encoding | | ( s - > avctx - > debug & FF_DEBUG_MV ) | | ( s - > avctx - > debug_mv ) ) {
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for ( i = 0 ; i < 2 ; i + + ) {
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CHECKED_ALLOCZ ( pic - > motion_val_base [ i ] , 2 * ( b8_array_size + 4 ) * sizeof ( int16_t ) )
pic - > motion_val [ i ] = pic - > motion_val_base [ i ] + 4 ;
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CHECKED_ALLOCZ ( pic - > ref_index [ i ] , b8_array_size * sizeof ( uint8_t ) )
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}
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pic - > motion_subsample_log2 = 3 ;
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}
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if ( s - > avctx - > debug & FF_DEBUG_DCT_COEFF ) {
CHECKED_ALLOCZ ( pic - > dct_coeff , 64 * mb_array_size * sizeof ( DCTELEM ) * 6 )
}
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pic - > qstride = s - > mb_stride ;
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CHECKED_ALLOCZ ( pic - > pan_scan , 1 * sizeof ( AVPanScan ) )
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}
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//it might be nicer if the application would keep track of these but it would require a API change
memmove ( s - > prev_pict_types + 1 , s - > prev_pict_types , PREV_PICT_TYPES_BUFFER_SIZE - 1 ) ;
s - > prev_pict_types [ 0 ] = s - > pict_type ;
if ( pic - > age < PREV_PICT_TYPES_BUFFER_SIZE & & s - > prev_pict_types [ pic - > age ] = = B_TYPE )
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pic - > age = INT_MAX ; // skipped MBs in b frames are quite rare in mpeg1/2 and its a bit tricky to skip them anyway
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return 0 ;
fail : //for the CHECKED_ALLOCZ macro
return - 1 ;
}
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/**
* deallocates a picture
*/
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static void free_picture ( MpegEncContext * s , Picture * pic ) {
int i ;
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if ( pic - > data [ 0 ] & & pic - > type ! = FF_BUFFER_TYPE_SHARED ) {
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s - > avctx - > release_buffer ( s - > avctx , ( AVFrame * ) pic ) ;
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}
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av_freep ( & pic - > mb_var ) ;
av_freep ( & pic - > mc_mb_var ) ;
av_freep ( & pic - > mb_mean ) ;
av_freep ( & pic - > mbskip_table ) ;
av_freep ( & pic - > qscale_table ) ;
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av_freep ( & pic - > mb_type_base ) ;
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av_freep ( & pic - > dct_coeff ) ;
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av_freep ( & pic - > pan_scan ) ;
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pic - > mb_type = NULL ;
for ( i = 0 ; i < 2 ; i + + ) {
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av_freep ( & pic - > motion_val_base [ i ] ) ;
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av_freep ( & pic - > ref_index [ i ] ) ;
}
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if ( pic - > type = = FF_BUFFER_TYPE_SHARED ) {
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for ( i = 0 ; i < 4 ; i + + ) {
pic - > base [ i ] =
pic - > data [ i ] = NULL ;
}
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pic - > type = 0 ;
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}
}
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static int init_duplicate_context ( MpegEncContext * s , MpegEncContext * base ) {
int i ;
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// edge emu needs blocksize + filter length - 1 (=17x17 for halfpel / 21x21 for h264)
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CHECKED_ALLOCZ ( s - > allocated_edge_emu_buffer , ( s - > width + 64 ) * 2 * 21 * 2 ) ; //(width + edge + align)*interlaced*MBsize*tolerance
s - > edge_emu_buffer = s - > allocated_edge_emu_buffer + ( s - > width + 64 ) * 2 * 21 ;
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//FIXME should be linesize instead of s->width*2 but that isnt known before get_buffer()
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CHECKED_ALLOCZ ( s - > me . scratchpad , ( s - > width + 64 ) * 4 * 16 * 2 * sizeof ( uint8_t ) )
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s - > rd_scratchpad = s - > me . scratchpad ;
s - > b_scratchpad = s - > me . scratchpad ;
s - > obmc_scratchpad = s - > me . scratchpad + 16 ;
if ( s - > encoding ) {
CHECKED_ALLOCZ ( s - > me . map , ME_MAP_SIZE * sizeof ( uint32_t ) )
CHECKED_ALLOCZ ( s - > me . score_map , ME_MAP_SIZE * sizeof ( uint32_t ) )
if ( s - > avctx - > noise_reduction ) {
CHECKED_ALLOCZ ( s - > dct_error_sum , 2 * 64 * sizeof ( int ) )
}
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}
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CHECKED_ALLOCZ ( s - > blocks , 64 * 12 * 2 * sizeof ( DCTELEM ) )
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s - > block = s - > blocks [ 0 ] ;
for ( i = 0 ; i < 12 ; i + + ) {
s - > pblocks [ i ] = ( short * ) ( & s - > block [ i ] ) ;
}
return 0 ;
fail :
return - 1 ; //free() through MPV_common_end()
}
static void free_duplicate_context ( MpegEncContext * s ) {
if ( s = = NULL ) return ;
av_freep ( & s - > allocated_edge_emu_buffer ) ; s - > edge_emu_buffer = NULL ;
av_freep ( & s - > me . scratchpad ) ;
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s - > rd_scratchpad =
s - > b_scratchpad =
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s - > obmc_scratchpad = NULL ;
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2004-02-13 18:54:10 +01:00
av_freep ( & s - > dct_error_sum ) ;
av_freep ( & s - > me . map ) ;
av_freep ( & s - > me . score_map ) ;
av_freep ( & s - > blocks ) ;
s - > block = NULL ;
}
static void backup_duplicate_context ( MpegEncContext * bak , MpegEncContext * src ) {
# define COPY(a) bak->a= src->a
COPY ( allocated_edge_emu_buffer ) ;
COPY ( edge_emu_buffer ) ;
COPY ( me . scratchpad ) ;
COPY ( rd_scratchpad ) ;
COPY ( b_scratchpad ) ;
COPY ( obmc_scratchpad ) ;
COPY ( me . map ) ;
COPY ( me . score_map ) ;
COPY ( blocks ) ;
COPY ( block ) ;
COPY ( start_mb_y ) ;
COPY ( end_mb_y ) ;
COPY ( me . map_generation ) ;
COPY ( pb ) ;
COPY ( dct_error_sum ) ;
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COPY ( dct_count [ 0 ] ) ;
COPY ( dct_count [ 1 ] ) ;
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# undef COPY
}
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void ff_update_duplicate_context ( MpegEncContext * dst , MpegEncContext * src ) {
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MpegEncContext bak ;
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int i ;
2004-02-13 18:54:10 +01:00
//FIXME copy only needed parts
//START_TIMER
backup_duplicate_context ( & bak , dst ) ;
memcpy ( dst , src , sizeof ( MpegEncContext ) ) ;
backup_duplicate_context ( dst , & bak ) ;
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for ( i = 0 ; i < 12 ; i + + ) {
dst - > pblocks [ i ] = ( short * ) ( & dst - > block [ i ] ) ;
}
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//STOP_TIMER("update_duplicate_context") //about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
}
static void update_duplicate_context_after_me ( MpegEncContext * dst , MpegEncContext * src ) {
# define COPY(a) dst->a= src->a
COPY ( pict_type ) ;
COPY ( current_picture ) ;
COPY ( f_code ) ;
COPY ( b_code ) ;
COPY ( qscale ) ;
COPY ( lambda ) ;
COPY ( lambda2 ) ;
COPY ( picture_in_gop_number ) ;
COPY ( gop_picture_number ) ;
2005-06-17 17:02:53 +02:00
COPY ( frame_pred_frame_dct ) ; //FIXME don't set in encode_header
COPY ( progressive_frame ) ; //FIXME don't set in encode_header
COPY ( partitioned_frame ) ; //FIXME don't set in encode_header
2004-02-13 18:54:10 +01:00
# undef COPY
}
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/**
* sets the given MpegEncContext to common defaults ( same for encoding and decoding ) .
* the changed fields will not depend upon the prior state of the MpegEncContext .
*/
static void MPV_common_defaults ( MpegEncContext * s ) {
s - > y_dc_scale_table =
s - > c_dc_scale_table = ff_mpeg1_dc_scale_table ;
s - > chroma_qscale_table = ff_default_chroma_qscale_table ;
s - > progressive_frame = 1 ;
s - > progressive_sequence = 1 ;
s - > picture_structure = PICT_FRAME ;
s - > coded_picture_number = 0 ;
s - > picture_number = 0 ;
s - > input_picture_number = 0 ;
s - > picture_in_gop_number = 0 ;
2004-03-16 18:27:03 +01:00
s - > f_code = 1 ;
s - > b_code = 1 ;
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}
/**
* sets the given MpegEncContext to defaults for decoding .
* the changed fields will not depend upon the prior state of the MpegEncContext .
*/
void MPV_decode_defaults ( MpegEncContext * s ) {
MPV_common_defaults ( s ) ;
}
/**
* sets the given MpegEncContext to defaults for encoding .
* the changed fields will not depend upon the prior state of the MpegEncContext .
*/
2004-03-22 13:07:02 +01:00
# ifdef CONFIG_ENCODERS
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static void MPV_encode_defaults ( MpegEncContext * s ) {
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static int done = 0 ;
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2004-03-16 17:11:29 +01:00
MPV_common_defaults ( s ) ;
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2004-03-16 17:11:29 +01:00
if ( ! done ) {
int i ;
done = 1 ;
default_mv_penalty = av_mallocz ( sizeof ( uint8_t ) * ( MAX_FCODE + 1 ) * ( 2 * MAX_MV + 1 ) ) ;
memset ( default_fcode_tab , 0 , sizeof ( uint8_t ) * ( 2 * MAX_MV + 1 ) ) ;
for ( i = - 16 ; i < 16 ; i + + ) {
default_fcode_tab [ i + MAX_MV ] = 1 ;
}
}
s - > me . mv_penalty = default_mv_penalty ;
s - > fcode_tab = default_fcode_tab ;
}
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# endif //CONFIG_ENCODERS
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/**
2004-03-16 17:11:29 +01:00
* init common structure for both encoder and decoder .
* this assumes that some variables like width / height are already set
*/
2002-10-04 22:59:29 +02:00
int MPV_common_init ( MpegEncContext * s )
{
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int y_size , c_size , yc_size , i , mb_array_size , mv_table_size , x , y ;
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2006-01-28 01:57:59 +01:00
s - > mb_height = ( s - > height + 15 ) / 16 ;
if ( s - > avctx - > thread_count > MAX_THREADS | | ( s - > avctx - > thread_count > s - > mb_height & & s - > mb_height ) ) {
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av_log ( s - > avctx , AV_LOG_ERROR , " too many threads \n " ) ;
return - 1 ;
}
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if ( ( s - > width | | s - > height ) & & avcodec_check_dimensions ( s - > avctx , s - > width , s - > height ) )
return - 1 ;
2003-03-03 15:54:00 +01:00
dsputil_init ( & s - > dsp , s - > avctx ) ;
2002-10-04 22:59:29 +02:00
DCT_common_init ( s ) ;
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2002-10-17 00:18:41 +02:00
s - > flags = s - > avctx - > flags ;
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s - > flags2 = s - > avctx - > flags2 ;
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2002-12-04 11:04:03 +01:00
s - > mb_width = ( s - > width + 15 ) / 16 ;
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s - > mb_stride = s - > mb_width + 1 ;
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s - > b8_stride = s - > mb_width * 2 + 1 ;
s - > b4_stride = s - > mb_width * 4 + 1 ;
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mb_array_size = s - > mb_height * s - > mb_stride ;
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mv_table_size = ( s - > mb_height + 2 ) * s - > mb_stride + 1 ;
2002-11-11 10:40:17 +01:00
2004-06-11 09:59:12 +02:00
/* set chroma shifts */
avcodec_get_chroma_sub_sample ( s - > avctx - > pix_fmt , & ( s - > chroma_x_shift ) ,
& ( s - > chroma_y_shift ) ) ;
2002-07-25 22:22:36 +02:00
/* set default edge pos, will be overriden in decode_header if needed */
s - > h_edge_pos = s - > mb_width * 16 ;
s - > v_edge_pos = s - > mb_height * 16 ;
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s - > mb_num = s - > mb_width * s - > mb_height ;
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2003-04-10 15:18:38 +02:00
s - > block_wrap [ 0 ] =
s - > block_wrap [ 1 ] =
s - > block_wrap [ 2 ] =
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s - > block_wrap [ 3 ] = s - > b8_stride ;
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s - > block_wrap [ 4 ] =
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s - > block_wrap [ 5 ] = s - > mb_stride ;
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y_size = s - > b8_stride * ( 2 * s - > mb_height + 1 ) ;
c_size = s - > mb_stride * ( s - > mb_height + 1 ) ;
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yc_size = y_size + 2 * c_size ;
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2002-09-27 12:27:57 +02:00
/* convert fourcc to upper case */
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s - > avctx - > codec_tag = toupper ( s - > avctx - > codec_tag & 0xFF )
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+ ( toupper ( ( s - > avctx - > codec_tag > > 8 ) & 0xFF ) < < 8 )
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+ ( toupper ( ( s - > avctx - > codec_tag > > 16 ) & 0xFF ) < < 16 )
2003-03-08 02:40:52 +01:00
+ ( toupper ( ( s - > avctx - > codec_tag > > 24 ) & 0xFF ) < < 24 ) ;
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s - > avctx - > stream_codec_tag = toupper ( s - > avctx - > stream_codec_tag & 0xFF )
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+ ( toupper ( ( s - > avctx - > stream_codec_tag > > 8 ) & 0xFF ) < < 8 )
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+ ( toupper ( ( s - > avctx - > stream_codec_tag > > 16 ) & 0xFF ) < < 16 )
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+ ( toupper ( ( s - > avctx - > stream_codec_tag > > 24 ) & 0xFF ) < < 24 ) ;
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s - > avctx - > coded_frame = ( AVFrame * ) & s - > current_picture ;
2002-12-04 11:04:03 +01:00
2003-04-10 15:18:38 +02:00
CHECKED_ALLOCZ ( s - > mb_index2xy , ( s - > mb_num + 1 ) * sizeof ( int ) ) //error ressilience code looks cleaner with this
for ( y = 0 ; y < s - > mb_height ; y + + ) {
for ( x = 0 ; x < s - > mb_width ; x + + ) {
s - > mb_index2xy [ x + y * s - > mb_width ] = x + y * s - > mb_stride ;
}
}
s - > mb_index2xy [ s - > mb_height * s - > mb_width ] = ( s - > mb_height - 1 ) * s - > mb_stride + s - > mb_width ; //FIXME really needed?
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if ( s - > encoding ) {
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/* Allocate MV tables */
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CHECKED_ALLOCZ ( s - > p_mv_table_base , mv_table_size * 2 * sizeof ( int16_t ) )
CHECKED_ALLOCZ ( s - > b_forw_mv_table_base , mv_table_size * 2 * sizeof ( int16_t ) )
CHECKED_ALLOCZ ( s - > b_back_mv_table_base , mv_table_size * 2 * sizeof ( int16_t ) )
CHECKED_ALLOCZ ( s - > b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof ( int16_t ) )
CHECKED_ALLOCZ ( s - > b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof ( int16_t ) )
CHECKED_ALLOCZ ( s - > b_direct_mv_table_base , mv_table_size * 2 * sizeof ( int16_t ) )
s - > p_mv_table = s - > p_mv_table_base + s - > mb_stride + 1 ;
s - > b_forw_mv_table = s - > b_forw_mv_table_base + s - > mb_stride + 1 ;
s - > b_back_mv_table = s - > b_back_mv_table_base + s - > mb_stride + 1 ;
s - > b_bidir_forw_mv_table = s - > b_bidir_forw_mv_table_base + s - > mb_stride + 1 ;
s - > b_bidir_back_mv_table = s - > b_bidir_back_mv_table_base + s - > mb_stride + 1 ;
s - > b_direct_mv_table = s - > b_direct_mv_table_base + s - > mb_stride + 1 ;
2002-06-02 14:20:39 +02:00
2002-09-11 09:26:43 +02:00
if ( s - > msmpeg4_version ) {
CHECKED_ALLOCZ ( s - > ac_stats , 2 * 2 * ( MAX_LEVEL + 1 ) * ( MAX_RUN + 1 ) * 2 * sizeof ( int ) ) ;
}
2002-08-25 23:19:50 +02:00
CHECKED_ALLOCZ ( s - > avctx - > stats_out , 256 ) ;
2003-04-10 15:18:38 +02:00
/* Allocate MB type table */
2003-12-30 17:07:57 +01:00
CHECKED_ALLOCZ ( s - > mb_type , mb_array_size * sizeof ( uint16_t ) ) //needed for encoding
2005-12-17 19:14:38 +01:00
2003-10-07 13:32:40 +02:00
CHECKED_ALLOCZ ( s - > lambda_table , mb_array_size * sizeof ( int ) )
2005-12-17 19:14:38 +01:00
2003-10-22 12:59:39 +02:00
CHECKED_ALLOCZ ( s - > q_intra_matrix , 64 * 32 * sizeof ( int ) )
CHECKED_ALLOCZ ( s - > q_inter_matrix , 64 * 32 * sizeof ( int ) )
2003-10-22 13:23:39 +02:00
CHECKED_ALLOCZ ( s - > q_intra_matrix16 , 64 * 32 * 2 * sizeof ( uint16_t ) )
CHECKED_ALLOCZ ( s - > q_inter_matrix16 , 64 * 32 * 2 * sizeof ( uint16_t ) )
2003-10-22 17:36:46 +02:00
CHECKED_ALLOCZ ( s - > input_picture , MAX_PICTURE_COUNT * sizeof ( Picture * ) )
CHECKED_ALLOCZ ( s - > reordered_input_picture , MAX_PICTURE_COUNT * sizeof ( Picture * ) )
2005-12-17 19:14:38 +01:00
2003-11-03 00:19:47 +01:00
if ( s - > avctx - > noise_reduction ) {
CHECKED_ALLOCZ ( s - > dct_offset , 2 * 64 * sizeof ( uint16_t ) )
}
2002-02-10 02:56:50 +01:00
}
2003-10-21 21:55:31 +02:00
CHECKED_ALLOCZ ( s - > picture , MAX_PICTURE_COUNT * sizeof ( Picture ) )
2003-04-10 15:18:38 +02:00
CHECKED_ALLOCZ ( s - > error_status_table , mb_array_size * sizeof ( uint8_t ) )
2005-12-17 19:14:38 +01:00
2003-12-30 17:07:57 +01:00
if ( s - > codec_id = = CODEC_ID_MPEG4 | | ( s - > flags & CODEC_FLAG_INTERLACED_ME ) ) {
2002-10-13 15:16:04 +02:00
/* interlaced direct mode decoding tables */
2003-12-30 17:07:57 +01:00
for ( i = 0 ; i < 2 ; i + + ) {
int j , k ;
for ( j = 0 ; j < 2 ; j + + ) {
for ( k = 0 ; k < 2 ; k + + ) {
CHECKED_ALLOCZ ( s - > b_field_mv_table_base [ i ] [ j ] [ k ] , mv_table_size * 2 * sizeof ( int16_t ) )
s - > b_field_mv_table [ i ] [ j ] [ k ] = s - > b_field_mv_table_base [ i ] [ j ] [ k ] + s - > mb_stride + 1 ;
}
CHECKED_ALLOCZ ( s - > b_field_select_table [ i ] [ j ] , mb_array_size * 2 * sizeof ( uint8_t ) )
CHECKED_ALLOCZ ( s - > p_field_mv_table_base [ i ] [ j ] , mv_table_size * 2 * sizeof ( int16_t ) )
s - > p_field_mv_table [ i ] [ j ] = s - > p_field_mv_table_base [ i ] [ j ] + s - > mb_stride + 1 ;
}
CHECKED_ALLOCZ ( s - > p_field_select_table [ i ] , mb_array_size * 2 * sizeof ( uint8_t ) )
}
2001-07-22 16:18:56 +02:00
}
2002-10-25 12:50:02 +02:00
if ( s - > out_format = = FMT_H263 ) {
2001-07-22 16:18:56 +02:00
/* ac values */
2004-04-16 03:01:45 +02:00
CHECKED_ALLOCZ ( s - > ac_val_base , yc_size * sizeof ( int16_t ) * 16 ) ;
s - > ac_val [ 0 ] = s - > ac_val_base + s - > b8_stride + 1 ;
s - > ac_val [ 1 ] = s - > ac_val_base + y_size + s - > mb_stride + 1 ;
2001-07-22 16:18:56 +02:00
s - > ac_val [ 2 ] = s - > ac_val [ 1 ] + c_size ;
2005-12-17 19:14:38 +01:00
2001-07-22 16:18:56 +02:00
/* cbp values */
2004-04-16 03:01:45 +02:00
CHECKED_ALLOCZ ( s - > coded_block_base , y_size ) ;
s - > coded_block = s - > coded_block_base + s - > b8_stride + 1 ;
2005-12-17 19:14:38 +01:00
2002-06-02 14:20:39 +02:00
/* cbp, ac_pred, pred_dir */
2003-04-10 15:18:38 +02:00
CHECKED_ALLOCZ ( s - > cbp_table , mb_array_size * sizeof ( uint8_t ) )
CHECKED_ALLOCZ ( s - > pred_dir_table , mb_array_size * sizeof ( uint8_t ) )
2002-01-11 23:07:12 +01:00
}
2005-12-17 19:14:38 +01:00
2002-10-19 03:31:26 +02:00
if ( s - > h263_pred | | s - > h263_plus | | ! s - > encoding ) {
/* dc values */
//MN: we need these for error resilience of intra-frames
2004-04-16 03:01:45 +02:00
CHECKED_ALLOCZ ( s - > dc_val_base , yc_size * sizeof ( int16_t ) ) ;
s - > dc_val [ 0 ] = s - > dc_val_base + s - > b8_stride + 1 ;
s - > dc_val [ 1 ] = s - > dc_val_base + y_size + s - > mb_stride + 1 ;
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s - > dc_val [ 2 ] = s - > dc_val [ 1 ] + c_size ;
for ( i = 0 ; i < yc_size ; i + + )
2004-04-16 03:01:45 +02:00
s - > dc_val_base [ i ] = 1024 ;
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}
2002-08-24 15:24:43 +02:00
/* which mb is a intra block */
2003-04-10 15:18:38 +02:00
CHECKED_ALLOCZ ( s - > mbintra_table , mb_array_size ) ;
memset ( s - > mbintra_table , 1 , mb_array_size ) ;
2005-12-17 19:14:38 +01:00
2001-07-24 22:43:41 +02:00
/* init macroblock skip table */
2003-04-10 15:18:38 +02:00
CHECKED_ALLOCZ ( s - > mbskip_table , mb_array_size + 2 ) ;
2002-10-13 15:16:04 +02:00
//Note the +1 is for a quicker mpeg4 slice_end detection
2003-01-20 21:37:24 +01:00
CHECKED_ALLOCZ ( s - > prev_pict_types , PREV_PICT_TYPES_BUFFER_SIZE ) ;
2005-12-17 19:14:38 +01:00
2002-11-08 19:35:39 +01:00
s - > parse_context . state = - 1 ;
2003-12-30 03:12:12 +01:00
if ( ( s - > avctx - > debug & ( FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE ) ) | | ( s - > avctx - > debug_mv ) ) {
s - > visualization_buffer [ 0 ] = av_malloc ( ( s - > mb_width * 16 + 2 * EDGE_WIDTH ) * s - > mb_height * 16 + 2 * EDGE_WIDTH ) ;
s - > visualization_buffer [ 1 ] = av_malloc ( ( s - > mb_width * 8 + EDGE_WIDTH ) * s - > mb_height * 8 + EDGE_WIDTH ) ;
s - > visualization_buffer [ 2 ] = av_malloc ( ( s - > mb_width * 8 + EDGE_WIDTH ) * s - > mb_height * 8 + EDGE_WIDTH ) ;
}
2002-11-08 19:35:39 +01:00
2001-07-22 16:18:56 +02:00
s - > context_initialized = 1 ;
2004-02-13 18:54:10 +01:00
s - > thread_context [ 0 ] = s ;
for ( i = 1 ; i < s - > avctx - > thread_count ; i + + ) {
s - > thread_context [ i ] = av_malloc ( sizeof ( MpegEncContext ) ) ;
memcpy ( s - > thread_context [ i ] , s , sizeof ( MpegEncContext ) ) ;
}
for ( i = 0 ; i < s - > avctx - > thread_count ; i + + ) {
if ( init_duplicate_context ( s - > thread_context [ i ] , s ) < 0 )
goto fail ;
s - > thread_context [ i ] - > start_mb_y = ( s - > mb_height * ( i ) + s - > avctx - > thread_count / 2 ) / s - > avctx - > thread_count ;
s - > thread_context [ i ] - > end_mb_y = ( s - > mb_height * ( i + 1 ) + s - > avctx - > thread_count / 2 ) / s - > avctx - > thread_count ;
}
2001-07-22 16:18:56 +02:00
return 0 ;
fail :
2002-02-18 10:31:37 +01:00
MPV_common_end ( s ) ;
2001-07-22 16:18:56 +02:00
return - 1 ;
}
/* init common structure for both encoder and decoder */
void MPV_common_end ( MpegEncContext * s )
{
2003-12-30 17:07:57 +01:00
int i , j , k ;
2001-07-22 16:18:56 +02:00
2004-02-13 18:54:10 +01:00
for ( i = 0 ; i < s - > avctx - > thread_count ; i + + ) {
free_duplicate_context ( s - > thread_context [ i ] ) ;
}
for ( i = 1 ; i < s - > avctx - > thread_count ; i + + ) {
av_freep ( & s - > thread_context [ i ] ) ;
}
2003-07-05 10:31:08 +02:00
av_freep ( & s - > parse_context . buffer ) ;
s - > parse_context . buffer_size = 0 ;
2002-05-19 01:03:29 +02:00
av_freep ( & s - > mb_type ) ;
2003-04-10 15:18:38 +02:00
av_freep ( & s - > p_mv_table_base ) ;
av_freep ( & s - > b_forw_mv_table_base ) ;
av_freep ( & s - > b_back_mv_table_base ) ;
av_freep ( & s - > b_bidir_forw_mv_table_base ) ;
av_freep ( & s - > b_bidir_back_mv_table_base ) ;
av_freep ( & s - > b_direct_mv_table_base ) ;
s - > p_mv_table = NULL ;
s - > b_forw_mv_table = NULL ;
s - > b_back_mv_table = NULL ;
s - > b_bidir_forw_mv_table = NULL ;
s - > b_bidir_back_mv_table = NULL ;
s - > b_direct_mv_table = NULL ;
2003-12-30 17:07:57 +01:00
for ( i = 0 ; i < 2 ; i + + ) {
for ( j = 0 ; j < 2 ; j + + ) {
for ( k = 0 ; k < 2 ; k + + ) {
av_freep ( & s - > b_field_mv_table_base [ i ] [ j ] [ k ] ) ;
s - > b_field_mv_table [ i ] [ j ] [ k ] = NULL ;
}
av_freep ( & s - > b_field_select_table [ i ] [ j ] ) ;
av_freep ( & s - > p_field_mv_table_base [ i ] [ j ] ) ;
s - > p_field_mv_table [ i ] [ j ] = NULL ;
}
av_freep ( & s - > p_field_select_table [ i ] ) ;
}
2005-12-17 19:14:38 +01:00
2004-04-16 03:01:45 +02:00
av_freep ( & s - > dc_val_base ) ;
av_freep ( & s - > ac_val_base ) ;
av_freep ( & s - > coded_block_base ) ;
2002-05-19 01:03:29 +02:00
av_freep ( & s - > mbintra_table ) ;
2002-06-02 14:20:39 +02:00
av_freep ( & s - > cbp_table ) ;
av_freep ( & s - > pred_dir_table ) ;
2005-12-17 19:14:38 +01:00
2002-05-19 01:03:29 +02:00
av_freep ( & s - > mbskip_table ) ;
2003-01-20 21:37:24 +01:00
av_freep ( & s - > prev_pict_types ) ;
2002-05-19 01:03:29 +02:00
av_freep ( & s - > bitstream_buffer ) ;
2005-01-12 01:16:25 +01:00
s - > allocated_bitstream_buffer_size = 0 ;
2002-08-25 23:19:50 +02:00
av_freep ( & s - > avctx - > stats_out ) ;
2002-09-11 09:26:43 +02:00
av_freep ( & s - > ac_stats ) ;
2002-10-13 15:16:04 +02:00
av_freep ( & s - > error_status_table ) ;
2003-04-10 15:18:38 +02:00
av_freep ( & s - > mb_index2xy ) ;
2003-10-07 13:32:40 +02:00
av_freep ( & s - > lambda_table ) ;
2003-10-22 12:59:39 +02:00
av_freep ( & s - > q_intra_matrix ) ;
av_freep ( & s - > q_inter_matrix ) ;
2003-10-22 13:23:39 +02:00
av_freep ( & s - > q_intra_matrix16 ) ;
av_freep ( & s - > q_inter_matrix16 ) ;
2003-10-22 17:36:46 +02:00
av_freep ( & s - > input_picture ) ;
av_freep ( & s - > reordered_input_picture ) ;
2003-11-03 00:19:47 +01:00
av_freep ( & s - > dct_offset ) ;
2002-12-04 11:04:03 +01:00
2003-10-25 21:30:14 +02:00
if ( s - > picture ) {
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
free_picture ( s , & s - > picture [ i ] ) ;
}
2001-07-22 16:18:56 +02:00
}
2003-10-21 21:55:31 +02:00
av_freep ( & s - > picture ) ;
2001-07-22 16:18:56 +02:00
s - > context_initialized = 0 ;
2003-10-12 23:32:58 +02:00
s - > last_picture_ptr =
s - > next_picture_ptr =
s - > current_picture_ptr = NULL ;
2004-09-15 02:35:18 +02:00
s - > linesize = s - > uvlinesize = 0 ;
2004-04-03 03:55:24 +02:00
2003-12-30 03:12:12 +01:00
for ( i = 0 ; i < 3 ; i + + )
2004-04-03 03:55:24 +02:00
av_freep ( & s - > visualization_buffer [ i ] ) ;
2004-09-15 02:35:18 +02:00
avcodec_default_free_buffers ( s - > avctx ) ;
2001-07-22 16:18:56 +02:00
}
2003-02-17 00:05:38 +01:00
# ifdef CONFIG_ENCODERS
2001-07-22 16:18:56 +02:00
/* init video encoder */
int MPV_encode_init ( AVCodecContext * avctx )
{
MpegEncContext * s = avctx - > priv_data ;
2005-08-14 17:42:40 +02:00
int i ;
2003-06-18 00:48:51 +02:00
int chroma_h_shift , chroma_v_shift ;
2005-12-17 19:14:38 +01:00
2004-03-16 17:11:29 +01:00
MPV_encode_defaults ( s ) ;
2002-04-08 23:03:35 +02:00
2006-05-16 17:19:54 +02:00
switch ( avctx - > codec_id ) {
case CODEC_ID_MPEG2VIDEO :
if ( avctx - > pix_fmt ! = PIX_FMT_YUV420P & & avctx - > pix_fmt ! = PIX_FMT_YUV422P ) {
av_log ( avctx , AV_LOG_ERROR , " only YUV420 and YUV422 are supported \n " ) ;
return - 1 ;
}
break ;
case CODEC_ID_LJPEG :
case CODEC_ID_MJPEG :
if ( avctx - > pix_fmt ! = PIX_FMT_YUVJ420P & & ( avctx - > pix_fmt ! = PIX_FMT_YUV420P | | avctx - > strict_std_compliance > FF_COMPLIANCE_INOFFICIAL ) ) {
2005-01-20 01:30:20 +01:00
av_log ( avctx , AV_LOG_ERROR , " colorspace not supported in jpeg \n " ) ;
return - 1 ;
}
2006-05-16 17:19:54 +02:00
break ;
default :
if ( avctx - > pix_fmt ! = PIX_FMT_YUV420P ) {
av_log ( avctx , AV_LOG_ERROR , " only YUV420 is supported \n " ) ;
2005-01-20 01:30:20 +01:00
return - 1 ;
}
}
2003-08-12 20:20:29 +02:00
2006-05-16 17:19:54 +02:00
switch ( avctx - > pix_fmt ) {
case PIX_FMT_YUVJ422P :
case PIX_FMT_YUV422P :
s - > chroma_format = CHROMA_422 ;
break ;
case PIX_FMT_YUVJ420P :
case PIX_FMT_YUV420P :
default :
s - > chroma_format = CHROMA_420 ;
break ;
}
2001-07-22 16:18:56 +02:00
s - > bit_rate = avctx - > bit_rate ;
s - > width = avctx - > width ;
s - > height = avctx - > height ;
2006-05-09 10:40:38 +02:00
if ( avctx - > gop_size > 600 & & avctx - > strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL ) {
2005-12-22 02:10:11 +01:00
av_log ( avctx , AV_LOG_ERROR , " Warning keyframe interval too large! reducing it ... \n " ) ;
2002-06-02 14:20:39 +02:00
avctx - > gop_size = 600 ;
}
2001-07-22 16:18:56 +02:00
s - > gop_size = avctx - > gop_size ;
2002-01-11 22:23:48 +01:00
s - > avctx = avctx ;
2002-03-27 22:25:22 +01:00
s - > flags = avctx - > flags ;
2004-01-22 20:48:28 +01:00
s - > flags2 = avctx - > flags2 ;
2002-04-17 06:32:12 +02:00
s - > max_b_frames = avctx - > max_b_frames ;
2002-04-27 14:30:26 +02:00
s - > codec_id = avctx - > codec - > id ;
2002-06-02 14:20:39 +02:00
s - > luma_elim_threshold = avctx - > luma_elim_threshold ;
s - > chroma_elim_threshold = avctx - > chroma_elim_threshold ;
s - > strict_std_compliance = avctx - > strict_std_compliance ;
s - > data_partitioning = avctx - > flags & CODEC_FLAG_PART ;
2002-12-28 00:51:46 +01:00
s - > quarter_sample = ( avctx - > flags & CODEC_FLAG_QPEL ) ! = 0 ;
2002-08-07 01:51:15 +02:00
s - > mpeg_quant = avctx - > mpeg_quant ;
2003-12-07 02:33:45 +01:00
s - > rtp_mode = ! ! avctx - > rtp_payload_size ;
2004-04-30 15:44:29 +02:00
s - > intra_dc_precision = avctx - > intra_dc_precision ;
2004-09-20 15:47:47 +02:00
s - > user_specified_pts = AV_NOPTS_VALUE ;
2003-08-26 00:54:53 +02:00
2001-07-22 16:18:56 +02:00
if ( s - > gop_size < = 1 ) {
s - > intra_only = 1 ;
s - > gop_size = 12 ;
} else {
s - > intra_only = 0 ;
}
2002-09-24 12:53:59 +02:00
2002-12-28 00:51:46 +01:00
s - > me_method = avctx - > me_method ;
2002-09-24 12:53:59 +02:00
2002-04-14 20:57:51 +02:00
/* Fixed QSCALE */
2003-12-30 17:07:57 +01:00
s - > fixed_qscale = ! ! ( avctx - > flags & CODEC_FLAG_QSCALE ) ;
2005-12-17 19:14:38 +01:00
2002-09-23 16:56:11 +02:00
s - > adaptive_quant = ( s - > avctx - > lumi_masking
2002-09-24 12:53:59 +02:00
| | s - > avctx - > dark_masking
2005-12-17 19:14:38 +01:00
| | s - > avctx - > temporal_cplx_masking
2002-09-23 16:56:11 +02:00
| | s - > avctx - > spatial_cplx_masking
2003-11-12 13:25:44 +01:00
| | s - > avctx - > p_masking
2005-02-02 19:49:04 +01:00
| | s - > avctx - > border_masking
2003-11-12 13:25:44 +01:00
| | ( s - > flags & CODEC_FLAG_QP_RD ) )
2002-09-23 16:56:11 +02:00
& & ! s - > fixed_qscale ;
2005-12-17 19:14:38 +01:00
2003-12-30 17:07:57 +01:00
s - > obmc = ! ! ( s - > flags & CODEC_FLAG_OBMC ) ;
s - > loop_filter = ! ! ( s - > flags & CODEC_FLAG_LOOP_FILTER ) ;
s - > alternate_scan = ! ! ( s - > flags & CODEC_FLAG_ALT_SCAN ) ;
2006-05-13 19:16:58 +02:00
s - > intra_vlc_format = ! ! ( s - > flags2 & CODEC_FLAG2_INTRA_VLC ) ;
2002-09-24 12:53:59 +02:00
2004-01-01 16:13:44 +01:00
if ( avctx - > rc_max_rate & & ! avctx - > rc_buffer_size ) {
av_log ( avctx , AV_LOG_ERROR , " a vbv buffer size is needed, for encoding with a maximum bitrate \n " ) ;
return - 1 ;
2005-12-17 19:14:38 +01:00
}
2004-01-01 16:13:44 +01:00
if ( avctx - > rc_min_rate & & avctx - > rc_max_rate ! = avctx - > rc_min_rate ) {
2005-04-24 13:13:49 +02:00
av_log ( avctx , AV_LOG_INFO , " Warning min_rate > 0 but min_rate != max_rate isn't recommended! \n " ) ;
2004-03-26 13:30:04 +01:00
}
2005-12-17 19:14:38 +01:00
2004-06-06 21:44:05 +02:00
if ( avctx - > rc_min_rate & & avctx - > rc_min_rate > avctx - > bit_rate ) {
av_log ( avctx , AV_LOG_INFO , " bitrate below min bitrate \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2004-06-06 21:44:05 +02:00
if ( avctx - > rc_max_rate & & avctx - > rc_max_rate < avctx - > bit_rate ) {
av_log ( avctx , AV_LOG_INFO , " bitrate above max bitrate \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
if ( s - > avctx - > rc_max_rate & & s - > avctx - > rc_min_rate = = s - > avctx - > rc_max_rate
2004-03-26 13:30:04 +01:00
& & ( s - > codec_id = = CODEC_ID_MPEG1VIDEO | | s - > codec_id = = CODEC_ID_MPEG2VIDEO )
& & 90000LL * ( avctx - > rc_buffer_size - 1 ) > s - > avctx - > rc_max_rate * 0xFFFFLL ) {
2005-12-17 19:14:38 +01:00
2004-03-26 13:30:04 +01:00
av_log ( avctx , AV_LOG_INFO , " Warning vbv_delay will be set to 0xFFFF (=VBR) as the specified vbv buffer is too large for the given bitrate! \n " ) ;
}
2005-12-17 19:14:38 +01:00
if ( ( s - > flags & CODEC_FLAG_4MV ) & & s - > codec_id ! = CODEC_ID_MPEG4
2004-02-07 00:56:37 +01:00
& & s - > codec_id ! = CODEC_ID_H263 & & s - > codec_id ! = CODEC_ID_H263P & & s - > codec_id ! = CODEC_ID_FLV1 ) {
2003-11-03 14:26:22 +01:00
av_log ( avctx , AV_LOG_ERROR , " 4MV not supported by codec \n " ) ;
2003-04-14 16:06:21 +02:00
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2003-11-28 22:31:20 +01:00
if ( s - > obmc & & s - > avctx - > mb_decision ! = FF_MB_DECISION_SIMPLE ) {
2005-04-24 13:13:49 +02:00
av_log ( avctx , AV_LOG_ERROR , " OBMC is only supported with simple mb decision \n " ) ;
2003-11-28 22:31:20 +01:00
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2003-12-01 16:23:14 +01:00
if ( s - > obmc & & s - > codec_id ! = CODEC_ID_H263 & & s - > codec_id ! = CODEC_ID_H263P ) {
av_log ( avctx , AV_LOG_ERROR , " OBMC is only supported with H263(+) \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2003-04-14 16:06:21 +02:00
if ( s - > quarter_sample & & s - > codec_id ! = CODEC_ID_MPEG4 ) {
2003-11-03 14:26:22 +01:00
av_log ( avctx , AV_LOG_ERROR , " qpel not supported by codec \n " ) ;
2003-04-14 16:06:21 +02:00
return - 1 ;
}
if ( s - > data_partitioning & & s - > codec_id ! = CODEC_ID_MPEG4 ) {
2003-11-03 14:26:22 +01:00
av_log ( avctx , AV_LOG_ERROR , " data partitioning not supported by codec \n " ) ;
2003-04-14 16:06:21 +02:00
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2003-08-26 00:47:32 +02:00
if ( s - > max_b_frames & & s - > codec_id ! = CODEC_ID_MPEG4 & & s - > codec_id ! = CODEC_ID_MPEG1VIDEO & & s - > codec_id ! = CODEC_ID_MPEG2VIDEO ) {
2003-11-03 14:26:22 +01:00
av_log ( avctx , AV_LOG_ERROR , " b frames not supported by codec \n " ) ;
2003-04-14 16:06:21 +02:00
return - 1 ;
}
2004-04-23 23:17:31 +02:00
2005-12-17 19:14:38 +01:00
if ( ( s - > flags & ( CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME | CODEC_FLAG_ALT_SCAN ) )
2004-04-23 23:17:31 +02:00
& & s - > codec_id ! = CODEC_ID_MPEG4 & & s - > codec_id ! = CODEC_ID_MPEG2VIDEO ) {
av_log ( avctx , AV_LOG_ERROR , " interlacing not supported by codec \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2003-04-14 16:06:21 +02:00
if ( s - > mpeg_quant & & s - > codec_id ! = CODEC_ID_MPEG4 ) { //FIXME mpeg2 uses that too
2005-04-24 13:13:49 +02:00
av_log ( avctx , AV_LOG_ERROR , " mpeg2 style quantization not supported by codec \n " ) ;
2003-04-14 16:06:21 +02:00
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2003-10-01 00:18:43 +02:00
if ( ( s - > flags & CODEC_FLAG_CBP_RD ) & & ! ( s - > flags & CODEC_FLAG_TRELLIS_QUANT ) ) {
2003-11-03 14:26:22 +01:00
av_log ( avctx , AV_LOG_ERROR , " CBP RD needs trellis quant \n " ) ;
2003-10-01 00:18:43 +02:00
return - 1 ;
}
2003-11-14 00:22:06 +01:00
if ( ( s - > flags & CODEC_FLAG_QP_RD ) & & s - > avctx - > mb_decision ! = FF_MB_DECISION_RD ) {
av_log ( avctx , AV_LOG_ERROR , " QP RD needs mbd=2 \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2004-01-22 20:48:28 +01:00
if ( s - > avctx - > scenechange_threshold < 1000000000 & & ( s - > flags & CODEC_FLAG_CLOSED_GOP ) ) {
av_log ( avctx , AV_LOG_ERROR , " closed gop with scene change detection arent supported yet \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2006-05-13 19:16:58 +02:00
if ( ( s - > flags2 & CODEC_FLAG2_INTRA_VLC ) & & s - > codec_id ! = CODEC_ID_MPEG2VIDEO ) {
av_log ( avctx , AV_LOG_ERROR , " intra vlc table not supported by codec \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
if ( s - > avctx - > thread_count > 1 & & s - > codec_id ! = CODEC_ID_MPEG4
& & s - > codec_id ! = CODEC_ID_MPEG1VIDEO & & s - > codec_id ! = CODEC_ID_MPEG2VIDEO
2004-02-13 18:54:10 +01:00
& & ( s - > codec_id ! = CODEC_ID_H263P | | ! ( s - > flags & CODEC_FLAG_H263P_SLICE_STRUCT ) ) ) {
av_log ( avctx , AV_LOG_ERROR , " multi threaded encoding not supported by codec \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2004-02-13 18:54:10 +01:00
if ( s - > avctx - > thread_count > 1 )
s - > rtp_mode = 1 ;
2004-01-26 20:04:32 +01:00
2005-04-30 23:43:59 +02:00
if ( ! avctx - > time_base . den | | ! avctx - > time_base . num ) {
2005-01-23 15:07:25 +01:00
av_log ( avctx , AV_LOG_ERROR , " framerate not set \n " ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2005-03-26 19:10:44 +01:00
i = ( INT_MAX / 2 + 128 ) > > 8 ;
if ( avctx - > me_threshold > = i ) {
av_log ( avctx , AV_LOG_ERROR , " me_threshold too large, max is %d \n " , i - 1 ) ;
return - 1 ;
}
if ( avctx - > mb_threshold > = i ) {
av_log ( avctx , AV_LOG_ERROR , " mb_threshold too large, max is %d \n " , i - 1 ) ;
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2005-05-12 03:31:11 +02:00
if ( avctx - > b_frame_strategy & & ( avctx - > flags & CODEC_FLAG_PASS2 ) ) {
2006-05-30 00:44:16 +02:00
av_log ( avctx , AV_LOG_INFO , " notice: b_frame_strategy only affects the first pass \n " ) ;
avctx - > b_frame_strategy = 0 ;
2005-05-12 03:31:11 +02:00
}
2005-04-30 23:43:59 +02:00
i = ff_gcd ( avctx - > time_base . den , avctx - > time_base . num ) ;
2004-01-26 20:04:32 +01:00
if ( i > 1 ) {
av_log ( avctx , AV_LOG_INFO , " removing common factors from framerate \n " ) ;
2005-04-30 23:43:59 +02:00
avctx - > time_base . den / = i ;
avctx - > time_base . num / = i ;
2004-01-26 20:04:32 +01:00
// return -1;
}
2005-12-17 19:14:38 +01:00
2003-03-22 13:09:02 +01:00
if ( s - > codec_id = = CODEC_ID_MJPEG ) {
s - > intra_quant_bias = 1 < < ( QUANT_BIAS_SHIFT - 1 ) ; //(a + x/2)/x
s - > inter_quant_bias = 0 ;
2003-08-26 00:47:32 +02:00
} else if ( s - > mpeg_quant | | s - > codec_id = = CODEC_ID_MPEG1VIDEO | | s - > codec_id = = CODEC_ID_MPEG2VIDEO ) {
2003-03-22 13:09:02 +01:00
s - > intra_quant_bias = 3 < < ( QUANT_BIAS_SHIFT - 3 ) ; //(a + x*3/8)/x
s - > inter_quant_bias = 0 ;
} else {
s - > intra_quant_bias = 0 ;
s - > inter_quant_bias = - ( 1 < < ( QUANT_BIAS_SHIFT - 2 ) ) ; //(a - x/4)/x
}
2005-12-17 19:14:38 +01:00
2003-03-22 13:09:02 +01:00
if ( avctx - > intra_quant_bias ! = FF_DEFAULT_QUANT_BIAS )
s - > intra_quant_bias = avctx - > intra_quant_bias ;
if ( avctx - > inter_quant_bias ! = FF_DEFAULT_QUANT_BIAS )
s - > inter_quant_bias = avctx - > inter_quant_bias ;
2005-12-17 19:14:38 +01:00
2003-06-18 00:48:51 +02:00
avcodec_get_chroma_sub_sample ( avctx - > pix_fmt , & chroma_h_shift , & chroma_v_shift ) ;
2005-05-08 02:44:06 +02:00
if ( avctx - > codec_id = = CODEC_ID_MPEG4 & & s - > avctx - > time_base . den > ( 1 < < 16 ) - 1 ) {
2005-04-30 23:43:59 +02:00
av_log ( avctx , AV_LOG_ERROR , " timebase not supported by mpeg 4 standard \n " ) ;
2005-12-17 19:14:38 +01:00
return - 1 ;
2005-04-30 23:43:59 +02:00
}
s - > time_increment_bits = av_log2 ( s - > avctx - > time_base . den - 1 ) + 1 ;
2003-08-26 22:14:28 +02:00
2001-07-22 16:18:56 +02:00
switch ( avctx - > codec - > id ) {
case CODEC_ID_MPEG1VIDEO :
s - > out_format = FMT_MPEG1 ;
2003-03-12 16:16:19 +01:00
s - > low_delay = 0 ; //s->max_b_frames ? 0 : 1;
avctx - > delay = s - > low_delay ? 0 : ( s - > max_b_frames + 1 ) ;
2001-07-22 16:18:56 +02:00
break ;
2003-08-26 00:47:32 +02:00
case CODEC_ID_MPEG2VIDEO :
s - > out_format = FMT_MPEG1 ;
s - > low_delay = 0 ; //s->max_b_frames ? 0 : 1;
avctx - > delay = s - > low_delay ? 0 : ( s - > max_b_frames + 1 ) ;
2003-12-07 02:33:45 +01:00
s - > rtp_mode = 1 ;
2003-08-26 00:47:32 +02:00
break ;
2003-06-18 00:48:51 +02:00
case CODEC_ID_LJPEG :
2005-12-19 04:08:08 +01:00
case CODEC_ID_JPEGLS :
2001-07-22 16:18:56 +02:00
case CODEC_ID_MJPEG :
s - > out_format = FMT_MJPEG ;
s - > intra_only = 1 ; /* force intra only for jpeg */
2005-12-19 04:08:08 +01:00
s - > mjpeg_write_tables = avctx - > codec - > id ! = CODEC_ID_JPEGLS ;
2005-12-22 02:10:11 +01:00
s - > mjpeg_data_only_frames = 0 ; /* write all the needed headers */
2003-06-18 00:48:51 +02:00
s - > mjpeg_vsample [ 0 ] = 1 < < chroma_v_shift ;
s - > mjpeg_vsample [ 1 ] = 1 ;
2005-12-17 19:14:38 +01:00
s - > mjpeg_vsample [ 2 ] = 1 ;
2003-06-18 00:48:51 +02:00
s - > mjpeg_hsample [ 0 ] = 1 < < chroma_h_shift ;
2005-12-17 19:14:38 +01:00
s - > mjpeg_hsample [ 1 ] = 1 ;
s - > mjpeg_hsample [ 2 ] = 1 ;
2001-07-22 16:18:56 +02:00
if ( mjpeg_init ( s ) < 0 )
return - 1 ;
2002-04-22 21:04:28 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2001-07-22 16:18:56 +02:00
break ;
2004-10-28 12:12:57 +02:00
case CODEC_ID_H261 :
s - > out_format = FMT_H261 ;
avctx - > delay = 0 ;
s - > low_delay = 1 ;
break ;
2001-07-22 16:18:56 +02:00
case CODEC_ID_H263 :
2002-02-10 02:56:50 +01:00
if ( h263_get_picture_format ( s - > width , s - > height ) = = 7 ) {
2006-01-04 18:07:30 +01:00
av_log ( avctx , AV_LOG_INFO , " The specified picture size of %dx%d is not valid for the H.263 codec. \n Valid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+. \n " , s - > width , s - > height ) ;
2001-07-22 16:18:56 +02:00
return - 1 ;
2002-02-10 02:56:50 +01:00
}
2001-07-22 16:18:56 +02:00
s - > out_format = FMT_H263 ;
2005-12-22 02:10:11 +01:00
s - > obmc = ( avctx - > flags & CODEC_FLAG_OBMC ) ? 1 : 0 ;
2002-04-22 21:04:28 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2001-07-22 16:18:56 +02:00
break ;
case CODEC_ID_H263P :
s - > out_format = FMT_H263 ;
s - > h263_plus = 1 ;
2005-12-22 02:10:11 +01:00
/* Fx */
2003-12-01 16:23:14 +01:00
s - > umvplus = ( avctx - > flags & CODEC_FLAG_H263P_UMV ) ? 1 : 0 ;
2005-12-22 02:10:11 +01:00
s - > h263_aic = ( avctx - > flags & CODEC_FLAG_H263P_AIC ) ? 1 : 0 ;
s - > modified_quant = s - > h263_aic ;
s - > alt_inter_vlc = ( avctx - > flags & CODEC_FLAG_H263P_AIV ) ? 1 : 0 ;
s - > obmc = ( avctx - > flags & CODEC_FLAG_OBMC ) ? 1 : 0 ;
s - > loop_filter = ( avctx - > flags & CODEC_FLAG_LOOP_FILTER ) ? 1 : 0 ;
s - > unrestricted_mv = s - > obmc | | s - > loop_filter | | s - > umvplus ;
2003-12-07 02:33:45 +01:00
s - > h263_slice_structured = ( s - > flags & CODEC_FLAG_H263P_SLICE_STRUCT ) ? 1 : 0 ;
2003-12-01 16:23:14 +01:00
2005-12-22 02:10:11 +01:00
/* /Fx */
2001-08-31 08:21:27 +02:00
/* These are just to be sure */
2002-04-22 21:04:28 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2001-07-22 16:18:56 +02:00
break ;
2003-07-10 01:10:59 +02:00
case CODEC_ID_FLV1 :
s - > out_format = FMT_H263 ;
s - > h263_flv = 2 ; /* format = 1; 11-bit codes */
s - > unrestricted_mv = 1 ;
s - > rtp_mode = 0 ; /* don't allow GOB */
avctx - > delay = 0 ;
s - > low_delay = 1 ;
break ;
2001-07-22 16:18:56 +02:00
case CODEC_ID_RV10 :
s - > out_format = FMT_H263 ;
2002-04-22 21:04:28 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2001-07-22 16:18:56 +02:00
break ;
2004-12-07 14:14:37 +01:00
case CODEC_ID_RV20 :
s - > out_format = FMT_H263 ;
avctx - > delay = 0 ;
s - > low_delay = 1 ;
s - > modified_quant = 1 ;
s - > h263_aic = 1 ;
s - > h263_plus = 1 ;
s - > loop_filter = 1 ;
s - > unrestricted_mv = s - > obmc | | s - > loop_filter | | s - > umvplus ;
break ;
2001-08-15 15:12:23 +02:00
case CODEC_ID_MPEG4 :
2001-07-22 16:18:56 +02:00
s - > out_format = FMT_H263 ;
s - > h263_pred = 1 ;
s - > unrestricted_mv = 1 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = s - > max_b_frames ? 0 : 1 ;
2002-10-13 15:16:04 +02:00
avctx - > delay = s - > low_delay ? 0 : ( s - > max_b_frames + 1 ) ;
2001-07-22 16:18:56 +02:00
break ;
2002-04-05 06:09:04 +02:00
case CODEC_ID_MSMPEG4V1 :
2001-07-22 16:18:56 +02:00
s - > out_format = FMT_H263 ;
s - > h263_msmpeg4 = 1 ;
s - > h263_pred = 1 ;
s - > unrestricted_mv = 1 ;
2002-04-05 06:09:04 +02:00
s - > msmpeg4_version = 1 ;
2002-04-22 21:04:28 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2002-04-05 06:09:04 +02:00
break ;
case CODEC_ID_MSMPEG4V2 :
s - > out_format = FMT_H263 ;
s - > h263_msmpeg4 = 1 ;
s - > h263_pred = 1 ;
s - > unrestricted_mv = 1 ;
s - > msmpeg4_version = 2 ;
2002-04-22 21:04:28 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2002-04-05 06:09:04 +02:00
break ;
case CODEC_ID_MSMPEG4V3 :
s - > out_format = FMT_H263 ;
s - > h263_msmpeg4 = 1 ;
s - > h263_pred = 1 ;
s - > unrestricted_mv = 1 ;
s - > msmpeg4_version = 3 ;
2003-04-01 17:38:01 +02:00
s - > flipflop_rounding = 1 ;
2002-04-22 21:04:28 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2001-07-22 16:18:56 +02:00
break ;
2002-06-18 02:49:00 +02:00
case CODEC_ID_WMV1 :
s - > out_format = FMT_H263 ;
s - > h263_msmpeg4 = 1 ;
s - > h263_pred = 1 ;
s - > unrestricted_mv = 1 ;
s - > msmpeg4_version = 4 ;
2003-04-01 17:38:01 +02:00
s - > flipflop_rounding = 1 ;
2002-06-18 02:49:00 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2002-06-18 02:49:00 +02:00
break ;
case CODEC_ID_WMV2 :
s - > out_format = FMT_H263 ;
s - > h263_msmpeg4 = 1 ;
s - > h263_pred = 1 ;
s - > unrestricted_mv = 1 ;
s - > msmpeg4_version = 5 ;
2003-04-01 17:38:01 +02:00
s - > flipflop_rounding = 1 ;
2002-06-18 02:49:00 +02:00
avctx - > delay = 0 ;
2002-12-09 01:29:17 +01:00
s - > low_delay = 1 ;
2002-06-18 02:49:00 +02:00
break ;
2001-07-22 16:18:56 +02:00
default :
return - 1 ;
}
2005-12-17 19:14:38 +01:00
2004-05-29 17:16:52 +02:00
avctx - > has_b_frames = ! s - > low_delay ;
2004-01-18 22:41:44 +01:00
2001-07-24 22:43:41 +02:00
s - > encoding = 1 ;
2001-07-22 16:18:56 +02:00
/* init */
if ( MPV_common_init ( s ) < 0 )
return - 1 ;
2003-12-10 18:05:41 +01:00
if ( s - > modified_quant )
s - > chroma_qscale_table = ff_h263_chroma_qscale_table ;
2005-12-17 19:14:38 +01:00
s - > progressive_frame =
2003-12-30 17:07:57 +01:00
s - > progressive_sequence = ! ( avctx - > flags & ( CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME ) ) ;
2004-02-13 18:54:10 +01:00
s - > quant_precision = 5 ;
2005-12-17 19:14:38 +01:00
2004-01-05 23:57:07 +01:00
ff_set_cmp ( & s - > dsp , s - > dsp . ildct_cmp , s - > avctx - > ildct_cmp ) ;
2004-12-08 19:02:56 +01:00
ff_set_cmp ( & s - > dsp , s - > dsp . frame_skip_cmp , s - > avctx - > frame_skip_cmp ) ;
2005-12-17 19:14:38 +01:00
2005-05-03 00:14:42 +02:00
# ifdef CONFIG_H261_ENCODER
2004-10-28 12:12:57 +02:00
if ( s - > out_format = = FMT_H261 )
ff_h261_encode_init ( s ) ;
2005-05-03 00:14:42 +02:00
# endif
2002-09-30 00:44:22 +02:00
if ( s - > out_format = = FMT_H263 )
h263_encode_init ( s ) ;
if ( s - > msmpeg4_version )
ff_msmpeg4_encode_init ( s ) ;
2003-01-29 13:00:11 +01:00
if ( s - > out_format = = FMT_MPEG1 )
ff_mpeg1_encode_init ( s ) ;
2002-09-30 00:44:22 +02:00
2004-03-16 17:11:29 +01:00
/* init q matrix */
2001-08-12 02:52:37 +02:00
for ( i = 0 ; i < 64 ; i + + ) {
2003-03-03 15:54:00 +01:00
int j = s - > dsp . idct_permutation [ i ] ;
2002-08-07 01:51:15 +02:00
if ( s - > codec_id = = CODEC_ID_MPEG4 & & s - > mpeg_quant ) {
2002-09-30 00:44:22 +02:00
s - > intra_matrix [ j ] = ff_mpeg4_default_intra_matrix [ i ] ;
s - > inter_matrix [ j ] = ff_mpeg4_default_non_intra_matrix [ i ] ;
2004-10-28 12:12:57 +02:00
} else if ( s - > out_format = = FMT_H263 | | s - > out_format = = FMT_H261 ) {
2002-09-30 00:44:22 +02:00
s - > intra_matrix [ j ] =
s - > inter_matrix [ j ] = ff_mpeg1_default_non_intra_matrix [ i ] ;
2003-01-29 13:00:11 +01:00
} else
2003-08-26 00:47:32 +02:00
{ /* mpeg1/2 */
2002-09-30 00:44:22 +02:00
s - > intra_matrix [ j ] = ff_mpeg1_default_intra_matrix [ i ] ;
s - > inter_matrix [ j ] = ff_mpeg1_default_non_intra_matrix [ i ] ;
2002-08-07 01:51:15 +02:00
}
2003-08-23 00:18:08 +02:00
if ( s - > avctx - > intra_matrix )
s - > intra_matrix [ j ] = s - > avctx - > intra_matrix [ i ] ;
if ( s - > avctx - > inter_matrix )
s - > inter_matrix [ j ] = s - > avctx - > inter_matrix [ i ] ;
2002-04-27 14:30:26 +02:00
}
/* precompute matrix */
2002-05-02 06:39:45 +02:00
/* for mjpeg, we do include qscale in the matrix */
2002-04-27 14:30:26 +02:00
if ( s - > out_format ! = FMT_MJPEG ) {
2005-12-17 19:14:38 +01:00
convert_matrix ( & s - > dsp , s - > q_intra_matrix , s - > q_intra_matrix16 ,
2004-12-11 19:33:18 +01:00
s - > intra_matrix , s - > intra_quant_bias , avctx - > qmin , 31 , 1 ) ;
2005-12-17 19:14:38 +01:00
convert_matrix ( & s - > dsp , s - > q_inter_matrix , s - > q_inter_matrix16 ,
2004-12-11 19:33:18 +01:00
s - > inter_matrix , s - > inter_quant_bias , avctx - > qmin , 31 , 0 ) ;
2001-08-12 02:52:37 +02:00
}
2002-04-21 23:18:17 +02:00
if ( ff_rate_control_init ( s ) < 0 )
return - 1 ;
2005-12-17 19:14:38 +01:00
2001-07-22 16:18:56 +02:00
return 0 ;
}
int MPV_encode_end ( AVCodecContext * avctx )
{
MpegEncContext * s = avctx - > priv_data ;
# ifdef STATS
print_stats ( ) ;
# endif
2002-04-21 23:18:17 +02:00
ff_rate_control_uninit ( s ) ;
2001-07-22 16:18:56 +02:00
MPV_common_end ( s ) ;
if ( s - > out_format = = FMT_MJPEG )
mjpeg_close ( s ) ;
2003-09-11 01:40:55 +02:00
2003-08-26 22:14:28 +02:00
av_freep ( & avctx - > extradata ) ;
2005-12-17 19:14:38 +01:00
2001-07-22 16:18:56 +02:00
return 0 ;
}
2003-02-17 00:05:38 +01:00
# endif //CONFIG_ENCODERS
2004-11-27 19:10:06 +01:00
void init_rl ( RLTable * rl , int use_static )
2003-01-29 13:00:11 +01:00
{
2003-02-11 17:35:48 +01:00
int8_t max_level [ MAX_RUN + 1 ] , max_run [ MAX_LEVEL + 1 ] ;
uint8_t index_run [ MAX_RUN + 1 ] ;
2003-01-29 13:00:11 +01:00
int last , run , level , start , end , i ;
2004-11-27 19:10:06 +01:00
/* If table is static, we can quit if rl->max_level[0] is not NULL */
if ( use_static & & rl - > max_level [ 0 ] )
return ;
2003-01-29 13:00:11 +01:00
/* compute max_level[], max_run[] and index_run[] */
for ( last = 0 ; last < 2 ; last + + ) {
if ( last = = 0 ) {
start = 0 ;
end = rl - > last ;
} else {
start = rl - > last ;
end = rl - > n ;
}
memset ( max_level , 0 , MAX_RUN + 1 ) ;
memset ( max_run , 0 , MAX_LEVEL + 1 ) ;
memset ( index_run , rl - > n , MAX_RUN + 1 ) ;
for ( i = start ; i < end ; i + + ) {
run = rl - > table_run [ i ] ;
level = rl - > table_level [ i ] ;
if ( index_run [ run ] = = rl - > n )
index_run [ run ] = i ;
if ( level > max_level [ run ] )
max_level [ run ] = level ;
if ( run > max_run [ level ] )
max_run [ level ] = run ;
}
2004-11-27 19:10:06 +01:00
if ( use_static )
rl - > max_level [ last ] = av_mallocz_static ( MAX_RUN + 1 ) ;
else
rl - > max_level [ last ] = av_malloc ( MAX_RUN + 1 ) ;
2003-01-29 13:00:11 +01:00
memcpy ( rl - > max_level [ last ] , max_level , MAX_RUN + 1 ) ;
2004-11-27 19:10:06 +01:00
if ( use_static )
rl - > max_run [ last ] = av_mallocz_static ( MAX_LEVEL + 1 ) ;
else
rl - > max_run [ last ] = av_malloc ( MAX_LEVEL + 1 ) ;
2003-01-29 13:00:11 +01:00
memcpy ( rl - > max_run [ last ] , max_run , MAX_LEVEL + 1 ) ;
2004-11-27 19:10:06 +01:00
if ( use_static )
rl - > index_run [ last ] = av_mallocz_static ( MAX_RUN + 1 ) ;
else
rl - > index_run [ last ] = av_malloc ( MAX_RUN + 1 ) ;
2003-01-29 13:00:11 +01:00
memcpy ( rl - > index_run [ last ] , index_run , MAX_RUN + 1 ) ;
}
}
2001-07-22 16:18:56 +02:00
/* draw the edges of width 'w' of an image of size width, height */
2002-08-27 18:28:19 +02:00
//FIXME check that this is ok for mpeg4 interlaced
2003-02-11 17:35:48 +01:00
static void draw_edges_c ( uint8_t * buf , int wrap , int width , int height , int w )
2001-07-22 16:18:56 +02:00
{
2003-02-11 17:35:48 +01:00
uint8_t * ptr , * last_line ;
2001-07-22 16:18:56 +02:00
int i ;
last_line = buf + ( height - 1 ) * wrap ;
for ( i = 0 ; i < w ; i + + ) {
/* top and bottom */
memcpy ( buf - ( i + 1 ) * wrap , buf , width ) ;
memcpy ( last_line + ( i + 1 ) * wrap , last_line , width ) ;
}
/* left and right */
ptr = buf ;
for ( i = 0 ; i < height ; i + + ) {
memset ( ptr - w , ptr [ 0 ] , w ) ;
memset ( ptr + width , ptr [ width - 1 ] , w ) ;
ptr + = wrap ;
}
/* corners */
for ( i = 0 ; i < w ; i + + ) {
memset ( buf - ( i + 1 ) * wrap - w , buf [ 0 ] , w ) ; /* top left */
memset ( buf - ( i + 1 ) * wrap + width , buf [ width - 1 ] , w ) ; /* top right */
memset ( last_line + ( i + 1 ) * wrap - w , last_line [ 0 ] , w ) ; /* top left */
memset ( last_line + ( i + 1 ) * wrap + width , last_line [ width - 1 ] , w ) ; /* top right */
}
}
2003-10-30 17:58:49 +01:00
int ff_find_unused_picture ( MpegEncContext * s , int shared ) {
2002-12-09 01:29:17 +01:00
int i ;
2005-12-17 19:14:38 +01:00
2002-12-09 01:29:17 +01:00
if ( shared ) {
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
2003-10-30 17:58:49 +01:00
if ( s - > picture [ i ] . data [ 0 ] = = NULL & & s - > picture [ i ] . type = = 0 ) return i ;
2002-12-09 01:29:17 +01:00
}
} else {
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
2003-10-30 17:58:49 +01:00
if ( s - > picture [ i ] . data [ 0 ] = = NULL & & s - > picture [ i ] . type ! = 0 ) return i ; //FIXME
2002-12-09 01:29:17 +01:00
}
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
2003-10-30 17:58:49 +01:00
if ( s - > picture [ i ] . data [ 0 ] = = NULL ) return i ;
2002-12-09 01:29:17 +01:00
}
}
2003-10-30 17:58:49 +01:00
assert ( 0 ) ;
return - 1 ;
2002-12-09 01:29:17 +01:00
}
2003-11-03 00:19:47 +01:00
static void update_noise_reduction ( MpegEncContext * s ) {
int intra , i ;
for ( intra = 0 ; intra < 2 ; intra + + ) {
if ( s - > dct_count [ intra ] > ( 1 < < 16 ) ) {
for ( i = 0 ; i < 64 ; i + + ) {
s - > dct_error_sum [ intra ] [ i ] > > = 1 ;
}
s - > dct_count [ intra ] > > = 1 ;
}
2005-12-17 19:14:38 +01:00
2003-11-03 00:19:47 +01:00
for ( i = 0 ; i < 64 ; i + + ) {
s - > dct_offset [ intra ] [ i ] = ( s - > avctx - > noise_reduction * s - > dct_count [ intra ] + s - > dct_error_sum [ intra ] [ i ] / 2 ) / ( s - > dct_error_sum [ intra ] [ i ] + 1 ) ;
}
}
}
2003-10-30 17:58:49 +01:00
/**
* generic function for encode / decode called after coding / decoding the header and before a frame is coded / decoded
*/
2002-10-27 02:02:23 +02:00
int MPV_frame_start ( MpegEncContext * s , AVCodecContext * avctx )
2001-07-22 16:18:56 +02:00
{
2002-12-09 01:29:17 +01:00
int i ;
2002-12-09 13:03:43 +01:00
AVFrame * pic ;
2005-04-24 19:21:11 +02:00
s - > mb_skipped = 0 ;
2003-04-04 16:42:28 +02:00
2003-05-10 00:16:14 +02:00
assert ( s - > last_picture_ptr = = NULL | | s - > out_format ! = FMT_H264 | | s - > codec_id = = CODEC_ID_SVQ3 ) ;
2003-05-06 22:43:37 +02:00
2002-12-04 11:04:03 +01:00
/* mark&release old frames */
2004-04-17 15:36:21 +02:00
if ( s - > pict_type ! = B_TYPE & & s - > last_picture_ptr & & s - > last_picture_ptr ! = s - > next_picture_ptr & & s - > last_picture_ptr - > data [ 0 ] ) {
2003-03-16 21:22:22 +01:00
avctx - > release_buffer ( avctx , ( AVFrame * ) s - > last_picture_ptr ) ;
2002-12-04 11:04:03 +01:00
/* release forgotten pictures */
/* if(mpeg124/h263) */
if ( ! s - > encoding ) {
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
2003-03-16 21:22:22 +01:00
if ( s - > picture [ i ] . data [ 0 ] & & & s - > picture [ i ] ! = s - > next_picture_ptr & & s - > picture [ i ] . reference ) {
2003-11-03 14:26:22 +01:00
av_log ( avctx , AV_LOG_ERROR , " releasing zombie picture \n " ) ;
2005-12-17 19:14:38 +01:00
avctx - > release_buffer ( avctx , ( AVFrame * ) & s - > picture [ i ] ) ;
2002-12-04 11:04:03 +01:00
}
}
2002-10-27 02:02:23 +02:00
}
2002-07-14 20:37:35 +02:00
}
2002-12-04 23:16:24 +01:00
alloc :
if ( ! s - > encoding ) {
2005-06-17 17:02:53 +02:00
/* release non reference frames */
2003-05-06 22:43:37 +02:00
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
if ( s - > picture [ i ] . data [ 0 ] & & ! s - > picture [ i ] . reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/ ) {
s - > avctx - > release_buffer ( s - > avctx , ( AVFrame * ) & s - > picture [ i ] ) ;
}
}
2003-10-30 17:58:49 +01:00
if ( s - > current_picture_ptr & & s - > current_picture_ptr - > data [ 0 ] = = NULL )
pic = ( AVFrame * ) s - > current_picture_ptr ; //we allready have a unused image (maybe it was set before reading the header)
else {
i = ff_find_unused_picture ( s , 0 ) ;
pic = ( AVFrame * ) & s - > picture [ i ] ;
}
2005-03-04 13:47:38 +01:00
pic - > reference = ( s - > pict_type ! = B_TYPE | | s - > codec_id = = CODEC_ID_H264 )
& & ! s - > dropable ? 3 : 0 ;
2003-03-16 21:22:22 +01:00
2003-12-29 23:25:08 +01:00
pic - > coded_picture_number = s - > coded_picture_number + + ;
2005-12-17 19:14:38 +01:00
2003-07-27 01:31:13 +02:00
if ( alloc_picture ( s , ( Picture * ) pic , 0 ) < 0 )
return - 1 ;
2002-07-14 20:37:35 +02:00
2003-10-30 17:58:49 +01:00
s - > current_picture_ptr = ( Picture * ) pic ;
2003-12-05 01:19:46 +01:00
s - > current_picture_ptr - > top_field_first = s - > top_field_first ; //FIXME use only the vars from current_pic
2003-12-05 02:03:12 +01:00
s - > current_picture_ptr - > interlaced_frame = ! s - > progressive_frame & & ! s - > progressive_sequence ;
2002-12-04 11:04:03 +01:00
}
2002-08-04 18:05:05 +02:00
2003-04-06 23:03:24 +02:00
s - > current_picture_ptr - > pict_type = s - > pict_type ;
2005-12-17 19:14:38 +01:00
// if(s->flags && CODEC_FLAG_QSCALE)
2003-10-07 13:32:40 +02:00
// s->current_picture_ptr->quality= s->new_picture_ptr->quality;
2003-04-10 15:18:38 +02:00
s - > current_picture_ptr - > key_frame = s - > pict_type = = I_TYPE ;
2003-04-06 23:03:24 +02:00
2003-10-16 02:21:54 +02:00
copy_picture ( & s - > current_picture , s - > current_picture_ptr ) ;
2005-12-17 19:14:38 +01:00
2003-05-10 00:16:14 +02:00
if ( s - > out_format ! = FMT_H264 | | s - > codec_id = = CODEC_ID_SVQ3 ) {
2002-12-04 11:04:03 +01:00
if ( s - > pict_type ! = B_TYPE ) {
2003-03-16 21:22:22 +01:00
s - > last_picture_ptr = s - > next_picture_ptr ;
2004-04-17 15:36:21 +02:00
if ( ! s - > dropable )
s - > next_picture_ptr = s - > current_picture_ptr ;
2001-07-22 16:18:56 +02:00
}
2004-04-17 15:36:21 +02:00
/* av_log(s->avctx, AV_LOG_DEBUG, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n", s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
2005-12-17 19:14:38 +01:00
s - > last_picture_ptr ? s - > last_picture_ptr - > data [ 0 ] : NULL ,
s - > next_picture_ptr ? s - > next_picture_ptr - > data [ 0 ] : NULL ,
2004-04-17 15:36:21 +02:00
s - > current_picture_ptr ? s - > current_picture_ptr - > data [ 0 ] : NULL ,
s - > pict_type , s - > dropable ) ; */
2005-12-17 19:14:38 +01:00
2003-10-16 02:21:54 +02:00
if ( s - > last_picture_ptr ) copy_picture ( & s - > last_picture , s - > last_picture_ptr ) ;
if ( s - > next_picture_ptr ) copy_picture ( & s - > next_picture , s - > next_picture_ptr ) ;
2005-12-17 19:14:38 +01:00
2003-10-16 02:21:54 +02:00
if ( s - > pict_type ! = I_TYPE & & ( s - > last_picture_ptr = = NULL | | s - > last_picture_ptr - > data [ 0 ] = = NULL ) ) {
2003-11-03 14:26:22 +01:00
av_log ( avctx , AV_LOG_ERROR , " warning: first frame is no keyframe \n " ) ;
2005-06-17 17:02:53 +02:00
assert ( s - > pict_type ! = B_TYPE ) ; //these should have been dropped if we don't have a reference
2003-08-01 13:00:03 +02:00
goto alloc ;
}
assert ( s - > pict_type = = I_TYPE | | ( s - > last_picture_ptr & & s - > last_picture_ptr - > data [ 0 ] ) ) ;
2003-03-16 21:22:22 +01:00
if ( s - > picture_structure ! = PICT_FRAME ) {
int i ;
for ( i = 0 ; i < 4 ; i + + ) {
if ( s - > picture_structure = = PICT_BOTTOM_FIELD ) {
s - > current_picture . data [ i ] + = s - > current_picture . linesize [ i ] ;
2005-12-17 19:14:38 +01:00
}
2003-03-16 21:22:22 +01:00
s - > current_picture . linesize [ i ] * = 2 ;
s - > last_picture . linesize [ i ] * = 2 ;
s - > next_picture . linesize [ i ] * = 2 ;
}
}
2003-04-04 16:42:28 +02:00
}
2005-12-17 19:14:38 +01:00
2002-12-04 23:16:24 +01:00
s - > hurry_up = s - > avctx - > hurry_up ;
s - > error_resilience = avctx - > error_resilience ;
2005-06-17 17:02:53 +02:00
/* set dequantizer, we can't do it during init as it might change for mpeg4
and we can ' t do it in the header decode as init isnt called for mpeg4 there yet */
2003-12-14 03:57:00 +01:00
if ( s - > mpeg_quant | | s - > codec_id = = CODEC_ID_MPEG2VIDEO ) {
s - > dct_unquantize_intra = s - > dct_unquantize_mpeg2_intra ;
s - > dct_unquantize_inter = s - > dct_unquantize_mpeg2_inter ;
2004-11-12 02:21:34 +01:00
} else if ( s - > out_format = = FMT_H263 | | s - > out_format = = FMT_H261 ) {
2003-12-14 03:57:00 +01:00
s - > dct_unquantize_intra = s - > dct_unquantize_h263_intra ;
s - > dct_unquantize_inter = s - > dct_unquantize_h263_inter ;
} else {
s - > dct_unquantize_intra = s - > dct_unquantize_mpeg1_intra ;
s - > dct_unquantize_inter = s - > dct_unquantize_mpeg1_inter ;
}
2002-10-27 02:02:23 +02:00
2003-11-03 00:19:47 +01:00
if ( s - > dct_error_sum ) {
assert ( s - > avctx - > noise_reduction & & s - > encoding ) ;
update_noise_reduction ( s ) ;
}
2005-12-17 19:14:38 +01:00
2003-07-26 03:28:49 +02:00
# ifdef HAVE_XVMC
if ( s - > avctx - > xvmc_acceleration )
return XVMC_field_start ( s , avctx ) ;
# endif
2002-10-27 02:02:23 +02:00
return 0 ;
2001-07-22 16:18:56 +02:00
}
2001-07-31 01:26:26 +02:00
2001-07-22 16:18:56 +02:00
/* generic function for encode/decode called after a frame has been coded/decoded */
void MPV_frame_end ( MpegEncContext * s )
{
2002-12-04 11:04:03 +01:00
int i ;
2001-07-22 16:18:56 +02:00
/* draw edge for correct motion prediction if outside */
2003-07-26 03:28:49 +02:00
# ifdef HAVE_XVMC
//just to make sure that all data is rendered.
if ( s - > avctx - > xvmc_acceleration ) {
XVMC_field_end ( s ) ;
} else
# endif
2005-03-04 13:47:38 +01:00
if ( s - > unrestricted_mv & & s - > current_picture . reference & & ! s - > intra_only & & ! ( s - > flags & CODEC_FLAG_EMU_EDGE ) ) {
2002-12-04 11:04:03 +01:00
draw_edges ( s - > current_picture . data [ 0 ] , s - > linesize , s - > h_edge_pos , s - > v_edge_pos , EDGE_WIDTH ) ;
draw_edges ( s - > current_picture . data [ 1 ] , s - > uvlinesize , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 , EDGE_WIDTH / 2 ) ;
draw_edges ( s - > current_picture . data [ 2 ] , s - > uvlinesize , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 , EDGE_WIDTH / 2 ) ;
2001-07-22 16:18:56 +02:00
}
2002-01-15 06:02:26 +01:00
emms_c ( ) ;
2005-12-17 19:14:38 +01:00
2002-08-25 23:19:50 +02:00
s - > last_pict_type = s - > pict_type ;
2005-12-29 16:46:23 +01:00
s - > last_lambda_for [ s - > pict_type ] = s - > current_picture_ptr - > quality ;
2002-04-21 23:18:17 +02:00
if ( s - > pict_type ! = B_TYPE ) {
s - > last_non_b_pict_type = s - > pict_type ;
}
2003-03-16 21:22:22 +01:00
#if 0
/* copy back current_picture variables */
2002-12-04 11:04:03 +01:00
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
if ( s - > picture [ i ] . data [ 0 ] = = s - > current_picture . data [ 0 ] ) {
s - > picture [ i ] = s - > current_picture ;
break ;
2005-12-17 19:14:38 +01:00
}
2002-12-04 11:04:03 +01:00
}
assert ( i < MAX_PICTURE_COUNT ) ;
2005-12-17 19:14:38 +01:00
# endif
2002-12-04 11:04:03 +01:00
2003-05-06 22:43:37 +02:00
if ( s - > encoding ) {
2005-06-17 17:02:53 +02:00
/* release non-reference frames */
2003-05-06 22:43:37 +02:00
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
if ( s - > picture [ i ] . data [ 0 ] & & ! s - > picture [ i ] . reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/ ) {
s - > avctx - > release_buffer ( s - > avctx , ( AVFrame * ) & s - > picture [ i ] ) ;
}
}
2002-12-04 11:04:03 +01:00
}
2003-03-16 21:22:22 +01:00
// clear copies, to avoid confusion
#if 0
memset ( & s - > last_picture , 0 , sizeof ( Picture ) ) ;
memset ( & s - > next_picture , 0 , sizeof ( Picture ) ) ;
memset ( & s - > current_picture , 0 , sizeof ( Picture ) ) ;
# endif
2004-09-08 12:07:08 +02:00
s - > avctx - > coded_frame = ( AVFrame * ) s - > current_picture_ptr ;
2001-07-22 16:18:56 +02:00
}
2003-05-27 14:31:03 +02:00
/**
* draws an line from ( ex , ey ) - > ( sx , sy ) .
* @ param w width of the image
* @ param h height of the image
* @ param stride stride / linesize of the image
* @ param color color of the arrow
*/
static void draw_line ( uint8_t * buf , int sx , int sy , int ex , int ey , int w , int h , int stride , int color ) {
2004-04-03 03:55:24 +02:00
int t , x , y , fr , f ;
2005-12-17 19:14:38 +01:00
2003-05-27 14:31:03 +02:00
sx = clip ( sx , 0 , w - 1 ) ;
sy = clip ( sy , 0 , h - 1 ) ;
ex = clip ( ex , 0 , w - 1 ) ;
ey = clip ( ey , 0 , h - 1 ) ;
2005-12-17 19:14:38 +01:00
2003-05-27 14:31:03 +02:00
buf [ sy * stride + sx ] + = color ;
2005-12-17 19:14:38 +01:00
2003-05-27 14:31:03 +02:00
if ( ABS ( ex - sx ) > ABS ( ey - sy ) ) {
if ( sx > ex ) {
t = sx ; sx = ex ; ex = t ;
t = sy ; sy = ey ; ey = t ;
}
buf + = sx + sy * stride ;
ex - = sx ;
f = ( ( ey - sy ) < < 16 ) / ex ;
for ( x = 0 ; x < = ex ; x + + ) {
2004-04-03 03:55:24 +02:00
y = ( x * f ) > > 16 ;
fr = ( x * f ) & 0xFFFF ;
buf [ y * stride + x ] + = ( color * ( 0x10000 - fr ) ) > > 16 ;
buf [ ( y + 1 ) * stride + x ] + = ( color * fr ) > > 16 ;
2003-05-27 14:31:03 +02:00
}
} else {
if ( sy > ey ) {
t = sx ; sx = ex ; ex = t ;
t = sy ; sy = ey ; ey = t ;
}
buf + = sx + sy * stride ;
ey - = sy ;
if ( ey ) f = ( ( ex - sx ) < < 16 ) / ey ;
else f = 0 ;
for ( y = 0 ; y < = ey ; y + + ) {
2004-04-03 03:55:24 +02:00
x = ( y * f ) > > 16 ;
fr = ( y * f ) & 0xFFFF ;
buf [ y * stride + x ] + = ( color * ( 0x10000 - fr ) ) > > 16 ; ;
buf [ y * stride + x + 1 ] + = ( color * fr ) > > 16 ; ;
2003-05-27 14:31:03 +02:00
}
}
}
/**
* draws an arrow from ( ex , ey ) - > ( sx , sy ) .
* @ param w width of the image
* @ param h height of the image
* @ param stride stride / linesize of the image
* @ param color color of the arrow
*/
2005-12-17 19:14:38 +01:00
static void draw_arrow ( uint8_t * buf , int sx , int sy , int ex , int ey , int w , int h , int stride , int color ) {
2003-05-27 14:31:03 +02:00
int dx , dy ;
sx = clip ( sx , - 100 , w + 100 ) ;
sy = clip ( sy , - 100 , h + 100 ) ;
ex = clip ( ex , - 100 , w + 100 ) ;
ey = clip ( ey , - 100 , h + 100 ) ;
2005-12-17 19:14:38 +01:00
2003-05-27 14:31:03 +02:00
dx = ex - sx ;
dy = ey - sy ;
2005-12-17 19:14:38 +01:00
2003-05-27 14:31:03 +02:00
if ( dx * dx + dy * dy > 3 * 3 ) {
int rx = dx + dy ;
int ry = - dx + dy ;
int length = ff_sqrt ( ( rx * rx + ry * ry ) < < 8 ) ;
2005-12-17 19:14:38 +01:00
2003-05-27 14:31:03 +02:00
//FIXME subpixel accuracy
rx = ROUNDED_DIV ( rx * 3 < < 4 , length ) ;
ry = ROUNDED_DIV ( ry * 3 < < 4 , length ) ;
2005-12-17 19:14:38 +01:00
2003-05-27 14:31:03 +02:00
draw_line ( buf , sx , sy , sx + rx , sy + ry , w , h , stride , color ) ;
draw_line ( buf , sx , sy , sx - ry , sy + rx , w , h , stride , color ) ;
}
draw_line ( buf , sx , sy , ex , ey , w , h , stride , color ) ;
}
2003-04-10 15:18:38 +02:00
/**
* prints debuging info for the given picture .
*/
2003-12-30 03:12:12 +01:00
void ff_print_debug_info ( MpegEncContext * s , AVFrame * pict ) {
2003-04-10 15:18:38 +02:00
if ( ! pict | | ! pict - > mb_type ) return ;
if ( s - > avctx - > debug & ( FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE ) ) {
int x , y ;
2005-12-17 19:14:38 +01:00
2003-12-30 03:12:12 +01:00
av_log ( s - > avctx , AV_LOG_DEBUG , " New frame, type: " ) ;
switch ( pict - > pict_type ) {
case FF_I_TYPE : av_log ( s - > avctx , AV_LOG_DEBUG , " I \n " ) ; break ;
case FF_P_TYPE : av_log ( s - > avctx , AV_LOG_DEBUG , " P \n " ) ; break ;
case FF_B_TYPE : av_log ( s - > avctx , AV_LOG_DEBUG , " B \n " ) ; break ;
case FF_S_TYPE : av_log ( s - > avctx , AV_LOG_DEBUG , " S \n " ) ; break ;
case FF_SI_TYPE : av_log ( s - > avctx , AV_LOG_DEBUG , " SI \n " ) ; break ;
2005-12-17 19:14:38 +01:00
case FF_SP_TYPE : av_log ( s - > avctx , AV_LOG_DEBUG , " SP \n " ) ; break ;
2003-12-30 03:12:12 +01:00
}
2003-04-10 15:18:38 +02:00
for ( y = 0 ; y < s - > mb_height ; y + + ) {
for ( x = 0 ; x < s - > mb_width ; x + + ) {
if ( s - > avctx - > debug & FF_DEBUG_SKIP ) {
int count = s - > mbskip_table [ x + y * s - > mb_stride ] ;
if ( count > 9 ) count = 9 ;
2003-11-03 14:26:22 +01:00
av_log ( s - > avctx , AV_LOG_DEBUG , " %1d " , count ) ;
2003-04-10 15:18:38 +02:00
}
if ( s - > avctx - > debug & FF_DEBUG_QP ) {
2003-11-03 14:26:22 +01:00
av_log ( s - > avctx , AV_LOG_DEBUG , " %2d " , pict - > qscale_table [ x + y * s - > mb_stride ] ) ;
2003-04-10 15:18:38 +02:00
}
if ( s - > avctx - > debug & FF_DEBUG_MB_TYPE ) {
int mb_type = pict - > mb_type [ x + y * s - > mb_stride ] ;
//Type & MV direction
if ( IS_PCM ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " P " ) ;
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else if ( IS_INTRA ( mb_type ) & & IS_ACPRED ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " A " ) ;
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else if ( IS_INTRA4x4 ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " i " ) ;
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else if ( IS_INTRA16x16 ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " I " ) ;
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else if ( IS_DIRECT ( mb_type ) & & IS_SKIP ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " d " ) ;
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else if ( IS_DIRECT ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " D " ) ;
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else if ( IS_GMC ( mb_type ) & & IS_SKIP ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " g " ) ;
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else if ( IS_GMC ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " G " ) ;
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else if ( IS_SKIP ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " S " ) ;
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else if ( ! USES_LIST ( mb_type , 1 ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " > " ) ;
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else if ( ! USES_LIST ( mb_type , 0 ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " < " ) ;
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else {
assert ( USES_LIST ( mb_type , 0 ) & & USES_LIST ( mb_type , 1 ) ) ;
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av_log ( s - > avctx , AV_LOG_DEBUG , " X " ) ;
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}
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//segmentation
if ( IS_8X8 ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " + " ) ;
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else if ( IS_16X8 ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " - " ) ;
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else if ( IS_8X16 ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " | " ) ;
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else if ( IS_INTRA ( mb_type ) | | IS_16X16 ( mb_type ) )
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av_log ( s - > avctx , AV_LOG_DEBUG , " " ) ;
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else
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av_log ( s - > avctx , AV_LOG_DEBUG , " ? " ) ;
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if ( IS_INTERLACED ( mb_type ) & & s - > codec_id = = CODEC_ID_H264 )
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av_log ( s - > avctx , AV_LOG_DEBUG , " = " ) ;
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else
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av_log ( s - > avctx , AV_LOG_DEBUG , " " ) ;
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}
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// av_log(s->avctx, AV_LOG_DEBUG, " ");
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}
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av_log ( s - > avctx , AV_LOG_DEBUG , " \n " ) ;
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}
}
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if ( ( s - > avctx - > debug & ( FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE ) ) | | ( s - > avctx - > debug_mv ) ) {
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const int shift = 1 + s - > quarter_sample ;
int mb_y ;
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uint8_t * ptr ;
int i ;
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int h_chroma_shift , v_chroma_shift ;
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const int width = s - > avctx - > width ;
const int height = s - > avctx - > height ;
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const int mv_sample_log2 = 4 - pict - > motion_subsample_log2 ;
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const int mv_stride = ( s - > mb_width < < mv_sample_log2 ) + ( s - > codec_id = = CODEC_ID_H264 ? 0 : 1 ) ;
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s - > low_delay = 0 ; //needed to see the vectors without trashing the buffers
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avcodec_get_chroma_sub_sample ( s - > avctx - > pix_fmt , & h_chroma_shift , & v_chroma_shift ) ;
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for ( i = 0 ; i < 3 ; i + + ) {
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memcpy ( s - > visualization_buffer [ i ] , pict - > data [ i ] , ( i = = 0 ) ? pict - > linesize [ i ] * height : pict - > linesize [ i ] * height > > v_chroma_shift ) ;
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pict - > data [ i ] = s - > visualization_buffer [ i ] ;
}
pict - > type = FF_BUFFER_TYPE_COPY ;
ptr = pict - > data [ 0 ] ;
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for ( mb_y = 0 ; mb_y < s - > mb_height ; mb_y + + ) {
int mb_x ;
for ( mb_x = 0 ; mb_x < s - > mb_width ; mb_x + + ) {
const int mb_index = mb_x + mb_y * s - > mb_stride ;
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if ( ( s - > avctx - > debug_mv ) & & pict - > motion_val ) {
int type ;
for ( type = 0 ; type < 3 ; type + + ) {
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int direction = 0 ;
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switch ( type ) {
case 0 : if ( ( ! ( s - > avctx - > debug_mv & FF_DEBUG_VIS_MV_P_FOR ) ) | | ( pict - > pict_type ! = FF_P_TYPE ) )
continue ;
direction = 0 ;
break ;
case 1 : if ( ( ! ( s - > avctx - > debug_mv & FF_DEBUG_VIS_MV_B_FOR ) ) | | ( pict - > pict_type ! = FF_B_TYPE ) )
continue ;
direction = 0 ;
break ;
case 2 : if ( ( ! ( s - > avctx - > debug_mv & FF_DEBUG_VIS_MV_B_BACK ) ) | | ( pict - > pict_type ! = FF_B_TYPE ) )
continue ;
direction = 1 ;
break ;
}
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if ( ! USES_LIST ( pict - > mb_type [ mb_index ] , direction ) )
continue ;
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if ( IS_8X8 ( pict - > mb_type [ mb_index ] ) ) {
int i ;
for ( i = 0 ; i < 4 ; i + + ) {
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int sx = mb_x * 16 + 4 + 8 * ( i & 1 ) ;
int sy = mb_y * 16 + 4 + 8 * ( i > > 1 ) ;
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int xy = ( mb_x * 2 + ( i & 1 ) + ( mb_y * 2 + ( i > > 1 ) ) * mv_stride ) < < ( mv_sample_log2 - 1 ) ;
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int mx = ( pict - > motion_val [ direction ] [ xy ] [ 0 ] > > shift ) + sx ;
int my = ( pict - > motion_val [ direction ] [ xy ] [ 1 ] > > shift ) + sy ;
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draw_arrow ( ptr , sx , sy , mx , my , width , height , s - > linesize , 100 ) ;
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}
} else if ( IS_16X8 ( pict - > mb_type [ mb_index ] ) ) {
int i ;
for ( i = 0 ; i < 2 ; i + + ) {
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int sx = mb_x * 16 + 8 ;
int sy = mb_y * 16 + 4 + 8 * i ;
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int xy = ( mb_x * 2 + ( mb_y * 2 + i ) * mv_stride ) < < ( mv_sample_log2 - 1 ) ;
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int mx = ( pict - > motion_val [ direction ] [ xy ] [ 0 ] > > shift ) ;
int my = ( pict - > motion_val [ direction ] [ xy ] [ 1 ] > > shift ) ;
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if ( IS_INTERLACED ( pict - > mb_type [ mb_index ] ) )
my * = 2 ;
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draw_arrow ( ptr , sx , sy , mx + sx , my + sy , width , height , s - > linesize , 100 ) ;
}
} else if ( IS_8X16 ( pict - > mb_type [ mb_index ] ) ) {
int i ;
for ( i = 0 ; i < 2 ; i + + ) {
int sx = mb_x * 16 + 4 + 8 * i ;
int sy = mb_y * 16 + 8 ;
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int xy = ( mb_x * 2 + i + mb_y * 2 * mv_stride ) < < ( mv_sample_log2 - 1 ) ;
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int mx = ( pict - > motion_val [ direction ] [ xy ] [ 0 ] > > shift ) ;
int my = ( pict - > motion_val [ direction ] [ xy ] [ 1 ] > > shift ) ;
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if ( IS_INTERLACED ( pict - > mb_type [ mb_index ] ) )
my * = 2 ;
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draw_arrow ( ptr , sx , sy , mx + sx , my + sy , width , height , s - > linesize , 100 ) ;
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}
} else {
int sx = mb_x * 16 + 8 ;
int sy = mb_y * 16 + 8 ;
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int xy = ( mb_x + mb_y * mv_stride ) < < mv_sample_log2 ;
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int mx = ( pict - > motion_val [ direction ] [ xy ] [ 0 ] > > shift ) + sx ;
int my = ( pict - > motion_val [ direction ] [ xy ] [ 1 ] > > shift ) + sy ;
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draw_arrow ( ptr , sx , sy , mx , my , width , height , s - > linesize , 100 ) ;
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}
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}
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}
if ( ( s - > avctx - > debug & FF_DEBUG_VIS_QP ) & & pict - > motion_val ) {
uint64_t c = ( pict - > qscale_table [ mb_index ] * 128 / 31 ) * 0x0101010101010101ULL ;
int y ;
for ( y = 0 ; y < 8 ; y + + ) {
* ( uint64_t * ) ( pict - > data [ 1 ] + 8 * mb_x + ( 8 * mb_y + y ) * pict - > linesize [ 1 ] ) = c ;
* ( uint64_t * ) ( pict - > data [ 2 ] + 8 * mb_x + ( 8 * mb_y + y ) * pict - > linesize [ 2 ] ) = c ;
}
}
if ( ( s - > avctx - > debug & FF_DEBUG_VIS_MB_TYPE ) & & pict - > motion_val ) {
int mb_type = pict - > mb_type [ mb_index ] ;
uint64_t u , v ;
int y ;
# define COLOR(theta, r)\
u = ( int ) ( 128 + r * cos ( theta * 3.141592 / 180 ) ) ; \
v = ( int ) ( 128 + r * sin ( theta * 3.141592 / 180 ) ) ;
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u = v = 128 ;
if ( IS_PCM ( mb_type ) ) {
COLOR ( 120 , 48 )
} else if ( ( IS_INTRA ( mb_type ) & & IS_ACPRED ( mb_type ) ) | | IS_INTRA16x16 ( mb_type ) ) {
COLOR ( 30 , 48 )
} else if ( IS_INTRA4x4 ( mb_type ) ) {
COLOR ( 90 , 48 )
} else if ( IS_DIRECT ( mb_type ) & & IS_SKIP ( mb_type ) ) {
// COLOR(120,48)
} else if ( IS_DIRECT ( mb_type ) ) {
COLOR ( 150 , 48 )
} else if ( IS_GMC ( mb_type ) & & IS_SKIP ( mb_type ) ) {
COLOR ( 170 , 48 )
} else if ( IS_GMC ( mb_type ) ) {
COLOR ( 190 , 48 )
} else if ( IS_SKIP ( mb_type ) ) {
// COLOR(180,48)
} else if ( ! USES_LIST ( mb_type , 1 ) ) {
COLOR ( 240 , 48 )
} else if ( ! USES_LIST ( mb_type , 0 ) ) {
COLOR ( 0 , 48 )
} else {
assert ( USES_LIST ( mb_type , 0 ) & & USES_LIST ( mb_type , 1 ) ) ;
COLOR ( 300 , 48 )
}
u * = 0x0101010101010101ULL ;
v * = 0x0101010101010101ULL ;
for ( y = 0 ; y < 8 ; y + + ) {
* ( uint64_t * ) ( pict - > data [ 1 ] + 8 * mb_x + ( 8 * mb_y + y ) * pict - > linesize [ 1 ] ) = u ;
* ( uint64_t * ) ( pict - > data [ 2 ] + 8 * mb_x + ( 8 * mb_y + y ) * pict - > linesize [ 2 ] ) = v ;
}
//segmentation
if ( IS_8X8 ( mb_type ) | | IS_16X8 ( mb_type ) ) {
* ( uint64_t * ) ( pict - > data [ 0 ] + 16 * mb_x + 0 + ( 16 * mb_y + 8 ) * pict - > linesize [ 0 ] ) ^ = 0x8080808080808080ULL ;
* ( uint64_t * ) ( pict - > data [ 0 ] + 16 * mb_x + 8 + ( 16 * mb_y + 8 ) * pict - > linesize [ 0 ] ) ^ = 0x8080808080808080ULL ;
}
if ( IS_8X8 ( mb_type ) | | IS_8X16 ( mb_type ) ) {
for ( y = 0 ; y < 16 ; y + + )
pict - > data [ 0 ] [ 16 * mb_x + 8 + ( 16 * mb_y + y ) * pict - > linesize [ 0 ] ] ^ = 0x80 ;
}
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if ( IS_8X8 ( mb_type ) & & mv_sample_log2 > = 2 ) {
int dm = 1 < < ( mv_sample_log2 - 2 ) ;
for ( i = 0 ; i < 4 ; i + + ) {
int sx = mb_x * 16 + 8 * ( i & 1 ) ;
int sy = mb_y * 16 + 8 * ( i > > 1 ) ;
int xy = ( mb_x * 2 + ( i & 1 ) + ( mb_y * 2 + ( i > > 1 ) ) * mv_stride ) < < ( mv_sample_log2 - 1 ) ;
//FIXME bidir
int32_t * mv = ( int32_t * ) & pict - > motion_val [ 0 ] [ xy ] ;
if ( mv [ 0 ] ! = mv [ dm ] | | mv [ dm * mv_stride ] ! = mv [ dm * ( mv_stride + 1 ) ] )
for ( y = 0 ; y < 8 ; y + + )
pict - > data [ 0 ] [ sx + 4 + ( sy + y ) * pict - > linesize [ 0 ] ] ^ = 0x80 ;
if ( mv [ 0 ] ! = mv [ dm * mv_stride ] | | mv [ dm ] ! = mv [ dm * ( mv_stride + 1 ) ] )
* ( uint64_t * ) ( pict - > data [ 0 ] + sx + ( sy + 4 ) * pict - > linesize [ 0 ] ) ^ = 0x8080808080808080ULL ;
}
}
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if ( IS_INTERLACED ( mb_type ) & & s - > codec_id = = CODEC_ID_H264 ) {
// hmm
}
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}
s - > mbskip_table [ mb_index ] = 0 ;
}
}
}
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}
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# ifdef CONFIG_ENCODERS
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static int get_sae ( uint8_t * src , int ref , int stride ) {
int x , y ;
int acc = 0 ;
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2002-12-06 14:30:13 +01:00
for ( y = 0 ; y < 16 ; y + + ) {
for ( x = 0 ; x < 16 ; x + + ) {
acc + = ABS ( src [ x + y * stride ] - ref ) ;
}
}
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return acc ;
}
static int get_intra_count ( MpegEncContext * s , uint8_t * src , uint8_t * ref , int stride ) {
int x , y , w , h ;
int acc = 0 ;
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w = s - > width & ~ 15 ;
h = s - > height & ~ 15 ;
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for ( y = 0 ; y < h ; y + = 16 ) {
for ( x = 0 ; x < w ; x + = 16 ) {
int offset = x + y * stride ;
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int sad = s - > dsp . sad [ 0 ] ( NULL , src + offset , ref + offset , stride , 16 ) ;
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int mean = ( s - > dsp . pix_sum ( src + offset , stride ) + 128 ) > > 8 ;
int sae = get_sae ( src + offset , mean , stride ) ;
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acc + = sae + 500 < sad ;
}
}
return acc ;
}
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static int load_input_picture ( MpegEncContext * s , AVFrame * pic_arg ) {
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AVFrame * pic = NULL ;
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int64_t pts ;
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int i ;
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const int encoding_delay = s - > max_b_frames ;
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int direct = 1 ;
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if ( pic_arg ) {
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pts = pic_arg - > pts ;
pic_arg - > display_picture_number = s - > input_picture_number + + ;
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if ( pts ! = AV_NOPTS_VALUE ) {
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if ( s - > user_specified_pts ! = AV_NOPTS_VALUE ) {
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int64_t time = pts ;
int64_t last = s - > user_specified_pts ;
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if ( time < = last ) {
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av_log ( s - > avctx , AV_LOG_ERROR , " Error, Invalid timestamp=% " PRId64 " , last=% " PRId64 " \n " , pts , s - > user_specified_pts ) ;
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return - 1 ;
}
}
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s - > user_specified_pts = pts ;
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} else {
if ( s - > user_specified_pts ! = AV_NOPTS_VALUE ) {
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s - > user_specified_pts =
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pts = s - > user_specified_pts + 1 ;
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av_log ( s - > avctx , AV_LOG_INFO , " Warning: AVFrame.pts=? trying to guess (% " PRId64 " ) \n " , pts ) ;
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} else {
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pts = pic_arg - > display_picture_number ;
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}
}
}
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if ( pic_arg ) {
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if ( encoding_delay & & ! ( s - > flags & CODEC_FLAG_INPUT_PRESERVED ) ) direct = 0 ;
if ( pic_arg - > linesize [ 0 ] ! = s - > linesize ) direct = 0 ;
if ( pic_arg - > linesize [ 1 ] ! = s - > uvlinesize ) direct = 0 ;
if ( pic_arg - > linesize [ 2 ] ! = s - > uvlinesize ) direct = 0 ;
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// av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
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if ( direct ) {
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i = ff_find_unused_picture ( s , 1 ) ;
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pic = ( AVFrame * ) & s - > picture [ i ] ;
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pic - > reference = 3 ;
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for ( i = 0 ; i < 4 ; i + + ) {
pic - > data [ i ] = pic_arg - > data [ i ] ;
pic - > linesize [ i ] = pic_arg - > linesize [ i ] ;
}
alloc_picture ( s , ( Picture * ) pic , 1 ) ;
} else {
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i = ff_find_unused_picture ( s , 0 ) ;
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pic = ( AVFrame * ) & s - > picture [ i ] ;
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pic - > reference = 3 ;
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alloc_picture ( s , ( Picture * ) pic , 0 ) ;
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if ( pic - > data [ 0 ] + INPLACE_OFFSET = = pic_arg - > data [ 0 ]
& & pic - > data [ 1 ] + INPLACE_OFFSET = = pic_arg - > data [ 1 ]
& & pic - > data [ 2 ] + INPLACE_OFFSET = = pic_arg - > data [ 2 ] ) {
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// empty
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} else {
int h_chroma_shift , v_chroma_shift ;
avcodec_get_chroma_sub_sample ( s - > avctx - > pix_fmt , & h_chroma_shift , & v_chroma_shift ) ;
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for ( i = 0 ; i < 3 ; i + + ) {
int src_stride = pic_arg - > linesize [ i ] ;
int dst_stride = i ? s - > uvlinesize : s - > linesize ;
int h_shift = i ? h_chroma_shift : 0 ;
int v_shift = i ? v_chroma_shift : 0 ;
int w = s - > width > > h_shift ;
int h = s - > height > > v_shift ;
uint8_t * src = pic_arg - > data [ i ] ;
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uint8_t * dst = pic - > data [ i ] + INPLACE_OFFSET ;
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if ( src_stride = = dst_stride )
memcpy ( dst , src , src_stride * h ) ;
else {
while ( h - - ) {
memcpy ( dst , src , w ) ;
dst + = dst_stride ;
src + = src_stride ;
}
2002-12-04 11:04:03 +01:00
}
2002-04-17 06:32:12 +02:00
}
2002-12-04 11:04:03 +01:00
}
}
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copy_picture_attributes ( s , pic , pic_arg ) ;
2005-01-13 12:59:19 +01:00
pic - > pts = pts ; //we set this here to avoid modifiying pic_arg
2003-07-23 12:41:07 +02:00
}
2005-12-17 19:14:38 +01:00
2002-12-09 01:29:17 +01:00
/* shift buffer entries */
for ( i = 1 ; i < MAX_PICTURE_COUNT /*s->encoding_delay+1*/ ; i + + )
s - > input_picture [ i - 1 ] = s - > input_picture [ i ] ;
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2002-12-09 01:29:17 +01:00
s - > input_picture [ encoding_delay ] = ( Picture * ) pic ;
2002-12-04 11:04:03 +01:00
return 0 ;
}
2002-04-17 06:32:12 +02:00
2004-12-08 12:46:16 +01:00
static int skip_check ( MpegEncContext * s , Picture * p , Picture * ref ) {
int x , y , plane ;
int score = 0 ;
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int64_t score64 = 0 ;
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for ( plane = 0 ; plane < 3 ; plane + + ) {
const int stride = p - > linesize [ plane ] ;
const int bw = plane ? 1 : 2 ;
for ( y = 0 ; y < s - > mb_height * bw ; y + + ) {
for ( x = 0 ; x < s - > mb_width * bw ; x + + ) {
2005-11-05 01:16:03 +01:00
int off = p - > type = = FF_BUFFER_TYPE_SHARED ? 0 : 16 ;
int v = s - > dsp . frame_skip_cmp [ 1 ] ( s , p - > data [ plane ] + 8 * ( x + y * stride ) + off , ref - > data [ plane ] + 8 * ( x + y * stride ) , stride , 8 ) ;
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2004-12-08 19:02:56 +01:00
switch ( s - > avctx - > frame_skip_exp ) {
case 0 : score = FFMAX ( score , v ) ; break ;
case 1 : score + = ABS ( v ) ; break ;
case 2 : score + = v * v ; break ;
case 3 : score64 + = ABS ( v * v * ( int64_t ) v ) ; break ;
case 4 : score64 + = v * v * ( int64_t ) ( v * v ) ; break ;
}
2004-12-08 12:46:16 +01:00
}
}
}
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2004-12-08 19:02:56 +01:00
if ( score ) score64 = score ;
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2004-12-08 19:02:56 +01:00
if ( score64 < s - > avctx - > frame_skip_threshold )
2004-12-08 12:46:16 +01:00
return 1 ;
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if ( score64 < ( ( s - > avctx - > frame_skip_factor * ( int64_t ) s - > lambda ) > > 8 ) )
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return 1 ;
return 0 ;
}
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static int estimate_best_b_count ( MpegEncContext * s ) {
AVCodec * codec = avcodec_find_encoder ( s - > avctx - > codec_id ) ;
AVCodecContext * c = avcodec_alloc_context ( ) ;
AVFrame input [ FF_MAX_B_FRAMES + 2 ] ;
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const int scale = s - > avctx - > brd_scale ;
2006-01-27 14:19:13 +01:00
int i , j , out_size , p_lambda , b_lambda , lambda2 ;
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int outbuf_size = s - > width * s - > height ; //FIXME
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uint8_t * outbuf = av_malloc ( outbuf_size ) ;
int64_t best_rd = INT64_MAX ;
int best_b_count = - 1 ;
2006-01-27 14:19:13 +01:00
2006-03-31 22:43:37 +02:00
assert ( scale > = 0 & & scale < = 3 ) ;
2006-01-27 14:19:13 +01:00
// emms_c();
p_lambda = s - > last_lambda_for [ P_TYPE ] ; //s->next_picture_ptr->quality;
b_lambda = s - > last_lambda_for [ B_TYPE ] ; //p_lambda *ABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
if ( ! b_lambda ) b_lambda = p_lambda ; //FIXME we should do this somewhere else
lambda2 = ( b_lambda * b_lambda + ( 1 < < FF_LAMBDA_SHIFT ) / 2 ) > > FF_LAMBDA_SHIFT ;
2005-12-25 18:30:52 +01:00
c - > width = s - > width > > scale ;
c - > height = s - > height > > scale ;
c - > flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/ ;
c - > flags | = s - > avctx - > flags & CODEC_FLAG_QPEL ;
c - > mb_decision = s - > avctx - > mb_decision ;
c - > me_cmp = s - > avctx - > me_cmp ;
c - > mb_cmp = s - > avctx - > mb_cmp ;
c - > me_sub_cmp = s - > avctx - > me_sub_cmp ;
c - > pix_fmt = PIX_FMT_YUV420P ;
c - > time_base = s - > avctx - > time_base ;
c - > max_b_frames = s - > max_b_frames ;
if ( avcodec_open ( c , codec ) < 0 )
return - 1 ;
for ( i = 0 ; i < s - > max_b_frames + 2 ; i + + ) {
int ysize = c - > width * c - > height ;
int csize = ( c - > width / 2 ) * ( c - > height / 2 ) ;
2006-01-27 14:19:13 +01:00
Picture pre_input , * pre_input_ptr = i ? s - > input_picture [ i - 1 ] : s - > next_picture_ptr ;
if ( pre_input_ptr )
pre_input = * pre_input_ptr ;
if ( pre_input . type ! = FF_BUFFER_TYPE_SHARED & & i ) {
pre_input . data [ 0 ] + = INPLACE_OFFSET ;
pre_input . data [ 1 ] + = INPLACE_OFFSET ;
pre_input . data [ 2 ] + = INPLACE_OFFSET ;
}
2005-12-25 18:30:52 +01:00
avcodec_get_frame_defaults ( & input [ i ] ) ;
input [ i ] . data [ 0 ] = av_malloc ( ysize + 2 * csize ) ;
input [ i ] . data [ 1 ] = input [ i ] . data [ 0 ] + ysize ;
input [ i ] . data [ 2 ] = input [ i ] . data [ 1 ] + csize ;
input [ i ] . linesize [ 0 ] = c - > width ;
input [ i ] . linesize [ 1 ] =
input [ i ] . linesize [ 2 ] = c - > width / 2 ;
2006-03-31 22:43:37 +02:00
if ( ! i | | s - > input_picture [ i - 1 ] ) {
s - > dsp . shrink [ scale ] ( input [ i ] . data [ 0 ] , input [ i ] . linesize [ 0 ] , pre_input . data [ 0 ] , pre_input . linesize [ 0 ] , c - > width , c - > height ) ;
s - > dsp . shrink [ scale ] ( input [ i ] . data [ 1 ] , input [ i ] . linesize [ 1 ] , pre_input . data [ 1 ] , pre_input . linesize [ 1 ] , c - > width > > 1 , c - > height > > 1 ) ;
s - > dsp . shrink [ scale ] ( input [ i ] . data [ 2 ] , input [ i ] . linesize [ 2 ] , pre_input . data [ 2 ] , pre_input . linesize [ 2 ] , c - > width > > 1 , c - > height > > 1 ) ;
}
2005-12-25 18:30:52 +01:00
}
for ( j = 0 ; j < s - > max_b_frames + 1 ; j + + ) {
int64_t rd = 0 ;
if ( ! s - > input_picture [ j ] )
break ;
c - > error [ 0 ] = c - > error [ 1 ] = c - > error [ 2 ] = 0 ;
input [ 0 ] . pict_type = I_TYPE ;
2006-01-27 14:19:13 +01:00
input [ 0 ] . quality = 1 * FF_QP2LAMBDA ;
2005-12-25 18:30:52 +01:00
out_size = avcodec_encode_video ( c , outbuf , outbuf_size , & input [ 0 ] ) ;
2006-01-27 14:19:13 +01:00
// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
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for ( i = 0 ; i < s - > max_b_frames + 1 ; i + + ) {
int is_p = i % ( j + 1 ) = = j | | i = = s - > max_b_frames ;
input [ i + 1 ] . pict_type = is_p ? P_TYPE : B_TYPE ;
2006-01-27 14:19:13 +01:00
input [ i + 1 ] . quality = is_p ? p_lambda : b_lambda ;
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out_size = avcodec_encode_video ( c , outbuf , outbuf_size , & input [ i + 1 ] ) ;
2006-01-27 14:19:13 +01:00
rd + = ( out_size * lambda2 ) > > ( FF_LAMBDA_SHIFT - 3 ) ;
2005-12-25 18:30:52 +01:00
}
/* get the delayed frames */
while ( out_size ) {
out_size = avcodec_encode_video ( c , outbuf , outbuf_size , NULL ) ;
2006-01-27 14:19:13 +01:00
rd + = ( out_size * lambda2 ) > > ( FF_LAMBDA_SHIFT - 3 ) ;
2005-12-25 18:30:52 +01:00
}
rd + = c - > error [ 0 ] + c - > error [ 1 ] + c - > error [ 2 ] ;
if ( rd < best_rd ) {
best_rd = rd ;
best_b_count = j ;
}
}
av_freep ( & outbuf ) ;
avcodec_close ( c ) ;
av_freep ( & c ) ;
for ( i = 0 ; i < s - > max_b_frames + 2 ; i + + ) {
av_freep ( & input [ i ] . data [ 0 ] ) ;
}
return best_b_count ;
}
2002-12-04 11:04:03 +01:00
static void select_input_picture ( MpegEncContext * s ) {
int i ;
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2002-12-04 11:04:03 +01:00
for ( i = 1 ; i < MAX_PICTURE_COUNT ; i + + )
s - > reordered_input_picture [ i - 1 ] = s - > reordered_input_picture [ i ] ;
s - > reordered_input_picture [ MAX_PICTURE_COUNT - 1 ] = NULL ;
2005-06-17 17:02:53 +02:00
/* set next picture type & ordering */
2002-12-04 11:04:03 +01:00
if ( s - > reordered_input_picture [ 0 ] = = NULL & & s - > input_picture [ 0 ] ) {
2003-03-16 21:22:22 +01:00
if ( /*s->picture_in_gop_number >= s->gop_size ||*/ s - > next_picture_ptr = = NULL | | s - > intra_only ) {
2002-12-06 14:30:13 +01:00
s - > reordered_input_picture [ 0 ] = s - > input_picture [ 0 ] ;
s - > reordered_input_picture [ 0 ] - > pict_type = I_TYPE ;
2003-12-29 23:25:08 +01:00
s - > reordered_input_picture [ 0 ] - > coded_picture_number = s - > coded_picture_number + + ;
2002-12-06 14:30:13 +01:00
} else {
int b_frames ;
2004-12-08 12:46:16 +01:00
if ( s - > avctx - > frame_skip_threshold | | s - > avctx - > frame_skip_factor ) {
2005-11-05 01:16:03 +01:00
if ( s - > picture_in_gop_number < s - > gop_size & & skip_check ( s , s - > input_picture [ 0 ] , s - > next_picture_ptr ) ) {
//FIXME check that te gop check above is +-1 correct
2004-12-08 12:46:16 +01:00
//av_log(NULL, AV_LOG_DEBUG, "skip %p %Ld\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
2005-12-17 19:14:38 +01:00
2004-12-08 12:46:16 +01:00
if ( s - > input_picture [ 0 ] - > type = = FF_BUFFER_TYPE_SHARED ) {
for ( i = 0 ; i < 4 ; i + + )
s - > input_picture [ 0 ] - > data [ i ] = NULL ;
2005-12-17 19:14:38 +01:00
s - > input_picture [ 0 ] - > type = 0 ;
2004-12-08 12:46:16 +01:00
} else {
2005-12-17 19:14:38 +01:00
assert ( s - > input_picture [ 0 ] - > type = = FF_BUFFER_TYPE_USER
2004-12-08 12:46:16 +01:00
| | s - > input_picture [ 0 ] - > type = = FF_BUFFER_TYPE_INTERNAL ) ;
2005-12-17 19:14:38 +01:00
2004-12-08 12:46:16 +01:00
s - > avctx - > release_buffer ( s - > avctx , ( AVFrame * ) s - > input_picture [ 0 ] ) ;
}
2005-12-17 19:14:38 +01:00
2005-11-05 01:16:03 +01:00
emms_c ( ) ;
ff_vbv_update ( s , 0 ) ;
2004-12-08 12:46:16 +01:00
goto no_output_pic ;
}
}
2002-12-06 14:30:13 +01:00
if ( s - > flags & CODEC_FLAG_PASS2 ) {
for ( i = 0 ; i < s - > max_b_frames + 1 ; i + + ) {
int pict_num = s - > input_picture [ 0 ] - > display_picture_number + i ;
2004-11-24 00:58:54 +01:00
2005-12-17 19:14:38 +01:00
if ( pict_num > = s - > rc_context . num_entries )
2004-11-24 01:15:49 +01:00
break ;
2004-11-24 00:58:54 +01:00
if ( ! s - > input_picture [ i ] ) {
2004-11-24 01:15:49 +01:00
s - > rc_context . entry [ pict_num - 1 ] . new_pict_type = P_TYPE ;
2004-11-24 00:58:54 +01:00
break ;
}
2004-11-24 01:15:49 +01:00
2005-12-17 19:14:38 +01:00
s - > input_picture [ i ] - > pict_type =
2004-11-24 01:15:49 +01:00
s - > rc_context . entry [ pict_num ] . new_pict_type ;
2002-12-06 14:30:13 +01:00
}
}
2002-12-09 01:29:17 +01:00
2004-10-14 14:24:16 +02:00
if ( s - > avctx - > b_frame_strategy = = 0 ) {
2002-12-06 14:30:13 +01:00
b_frames = s - > max_b_frames ;
2003-07-23 12:41:07 +02:00
while ( b_frames & & ! s - > input_picture [ b_frames ] ) b_frames - - ;
2003-12-13 21:41:33 +01:00
} else if ( s - > avctx - > b_frame_strategy = = 1 ) {
2002-12-06 14:30:13 +01:00
for ( i = 1 ; i < s - > max_b_frames + 1 ; i + + ) {
2003-07-23 12:41:07 +02:00
if ( s - > input_picture [ i ] & & s - > input_picture [ i ] - > b_frame_score = = 0 ) {
2005-12-17 19:14:38 +01:00
s - > input_picture [ i ] - > b_frame_score =
get_intra_count ( s , s - > input_picture [ i ] - > data [ 0 ] ,
2002-12-09 01:29:17 +01:00
s - > input_picture [ i - 1 ] - > data [ 0 ] , s - > linesize ) + 1 ;
2002-12-06 14:30:13 +01:00
}
}
2005-05-22 00:20:26 +02:00
for ( i = 0 ; i < s - > max_b_frames + 1 ; i + + ) {
2006-06-03 08:26:04 +02:00
if ( s - > input_picture [ i ] = = NULL | | s - > input_picture [ i ] - > b_frame_score - 1 > s - > mb_num / s - > avctx - > b_sensitivity ) break ;
2002-12-06 14:30:13 +01:00
}
2005-12-17 19:14:38 +01:00
2002-12-06 14:30:13 +01:00
b_frames = FFMAX ( 0 , i - 1 ) ;
2005-12-17 19:14:38 +01:00
2002-12-06 14:30:13 +01:00
/* reset scores */
for ( i = 0 ; i < b_frames + 1 ; i + + ) {
s - > input_picture [ i ] - > b_frame_score = 0 ;
}
2005-12-25 18:30:52 +01:00
} else if ( s - > avctx - > b_frame_strategy = = 2 ) {
b_frames = estimate_best_b_count ( s ) ;
2002-12-06 14:30:13 +01:00
} else {
2003-11-03 14:26:22 +01:00
av_log ( s - > avctx , AV_LOG_ERROR , " illegal b frame strategy \n " ) ;
2002-12-06 14:30:13 +01:00
b_frames = 0 ;
2002-12-04 22:13:02 +01:00
}
2002-12-06 14:30:13 +01:00
emms_c ( ) ;
//static int b_count=0;
//b_count+= b_frames;
2003-11-03 14:26:22 +01:00
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
2004-10-14 14:24:16 +02:00
for ( i = b_frames - 1 ; i > = 0 ; i - - ) {
int type = s - > input_picture [ i ] - > pict_type ;
if ( type & & type ! = B_TYPE )
b_frames = i ;
}
if ( s - > input_picture [ b_frames ] - > pict_type = = B_TYPE & & b_frames = = s - > max_b_frames ) {
2005-04-24 13:13:49 +02:00
av_log ( s - > avctx , AV_LOG_ERROR , " warning, too many b frames in a row \n " ) ;
2004-10-14 14:24:16 +02:00
}
2004-01-22 20:48:28 +01:00
if ( s - > picture_in_gop_number + b_frames > = s - > gop_size ) {
2004-10-15 04:37:04 +02:00
if ( ( s - > flags2 & CODEC_FLAG2_STRICT_GOP ) & & s - > gop_size > s - > picture_in_gop_number ) {
b_frames = s - > gop_size - s - > picture_in_gop_number - 1 ;
} else {
2004-01-22 20:48:28 +01:00
if ( s - > flags & CODEC_FLAG_CLOSED_GOP )
b_frames = 0 ;
s - > input_picture [ b_frames ] - > pict_type = I_TYPE ;
2004-10-15 04:37:04 +02:00
}
2004-01-22 20:48:28 +01:00
}
2005-12-17 19:14:38 +01:00
2004-01-22 20:48:28 +01:00
if ( ( s - > flags & CODEC_FLAG_CLOSED_GOP )
& & b_frames
& & s - > input_picture [ b_frames ] - > pict_type = = I_TYPE )
b_frames - - ;
2002-12-06 14:30:13 +01:00
s - > reordered_input_picture [ 0 ] = s - > input_picture [ b_frames ] ;
2004-01-22 20:48:28 +01:00
if ( s - > reordered_input_picture [ 0 ] - > pict_type ! = I_TYPE )
2002-12-06 14:30:13 +01:00
s - > reordered_input_picture [ 0 ] - > pict_type = P_TYPE ;
2003-12-29 23:25:08 +01:00
s - > reordered_input_picture [ 0 ] - > coded_picture_number = s - > coded_picture_number + + ;
2002-12-06 14:30:13 +01:00
for ( i = 0 ; i < b_frames ; i + + ) {
s - > reordered_input_picture [ i + 1 ] = s - > input_picture [ i ] ;
s - > reordered_input_picture [ i + 1 ] - > pict_type = B_TYPE ;
2003-12-29 23:25:08 +01:00
s - > reordered_input_picture [ i + 1 ] - > coded_picture_number = s - > coded_picture_number + + ;
2002-04-17 06:32:12 +02:00
}
}
}
2004-12-08 12:46:16 +01:00
no_output_pic :
2002-12-04 11:04:03 +01:00
if ( s - > reordered_input_picture [ 0 ] ) {
2003-04-04 16:42:28 +02:00
s - > reordered_input_picture [ 0 ] - > reference = s - > reordered_input_picture [ 0 ] - > pict_type ! = B_TYPE ? 3 : 0 ;
2003-03-16 21:22:22 +01:00
2003-10-16 02:21:54 +02:00
copy_picture ( & s - > new_picture , s - > reordered_input_picture [ 0 ] ) ;
2002-12-09 01:29:17 +01:00
if ( s - > reordered_input_picture [ 0 ] - > type = = FF_BUFFER_TYPE_SHARED ) {
2005-06-17 17:02:53 +02:00
// input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
2005-12-17 19:14:38 +01:00
2003-10-30 17:58:49 +01:00
int i = ff_find_unused_picture ( s , 0 ) ;
2002-12-09 01:29:17 +01:00
Picture * pic = & s - > picture [ i ] ;
/* mark us unused / free shared pic */
for ( i = 0 ; i < 4 ; i + + )
s - > reordered_input_picture [ 0 ] - > data [ i ] = NULL ;
s - > reordered_input_picture [ 0 ] - > type = 0 ;
2005-12-17 19:14:38 +01:00
2003-12-22 20:06:01 +01:00
pic - > reference = s - > reordered_input_picture [ 0 ] - > reference ;
2005-12-17 19:14:38 +01:00
2002-12-09 01:29:17 +01:00
alloc_picture ( s , pic , 0 ) ;
2004-04-23 21:06:30 +02:00
copy_picture_attributes ( s , ( AVFrame * ) pic , ( AVFrame * ) s - > reordered_input_picture [ 0 ] ) ;
2003-03-16 21:22:22 +01:00
s - > current_picture_ptr = pic ;
2002-12-09 01:29:17 +01:00
} else {
2003-03-16 21:22:22 +01:00
// input is not a shared pix -> reuse buffer for current_pix
2005-12-17 19:14:38 +01:00
assert ( s - > reordered_input_picture [ 0 ] - > type = = FF_BUFFER_TYPE_USER
2002-12-09 01:29:17 +01:00
| | s - > reordered_input_picture [ 0 ] - > type = = FF_BUFFER_TYPE_INTERNAL ) ;
2005-12-17 19:14:38 +01:00
2003-03-16 21:22:22 +01:00
s - > current_picture_ptr = s - > reordered_input_picture [ 0 ] ;
2002-12-09 01:29:17 +01:00
for ( i = 0 ; i < 4 ; i + + ) {
2006-01-27 14:19:13 +01:00
s - > new_picture . data [ i ] + = INPLACE_OFFSET ;
2002-12-09 01:29:17 +01:00
}
2002-12-04 11:04:03 +01:00
}
2003-10-16 02:21:54 +02:00
copy_picture ( & s - > current_picture , s - > current_picture_ptr ) ;
2005-12-17 19:14:38 +01:00
2002-12-04 11:04:03 +01:00
s - > picture_number = s - > new_picture . display_picture_number ;
//printf("dpn:%d\n", s->picture_number);
} else {
memset ( & s - > new_picture , 0 , sizeof ( Picture ) ) ;
2002-04-17 06:32:12 +02:00
}
}
2001-07-22 16:18:56 +02:00
int MPV_encode_picture ( AVCodecContext * avctx ,
unsigned char * buf , int buf_size , void * data )
{
MpegEncContext * s = avctx - > priv_data ;
2002-12-09 13:03:43 +01:00
AVFrame * pic_arg = data ;
2003-12-12 22:30:47 +01:00
int i , stuffing_count ;
2001-07-22 16:18:56 +02:00
2004-02-13 18:54:10 +01:00
for ( i = 0 ; i < avctx - > thread_count ; i + + ) {
2004-02-26 20:11:21 +01:00
int start_y = s - > thread_context [ i ] - > start_mb_y ;
int end_y = s - > thread_context [ i ] - > end_mb_y ;
2004-02-13 18:54:10 +01:00
int h = s - > mb_height ;
2005-07-26 01:07:27 +02:00
uint8_t * start = buf + ( size_t ) ( ( ( int64_t ) buf_size ) * start_y / h ) ;
uint8_t * end = buf + ( size_t ) ( ( ( int64_t ) buf_size ) * end_y / h ) ;
2004-02-13 18:54:10 +01:00
init_put_bits ( & s - > thread_context [ i ] - > pb , start , end - start ) ;
}
2001-07-22 16:18:56 +02:00
2002-12-04 11:04:03 +01:00
s - > picture_in_gop_number + + ;
2001-07-22 16:18:56 +02:00
2004-09-20 15:47:47 +02:00
if ( load_input_picture ( s , pic_arg ) < 0 )
return - 1 ;
2005-12-17 19:14:38 +01:00
2002-12-04 11:04:03 +01:00
select_input_picture ( s ) ;
2005-12-17 19:14:38 +01:00
2002-04-17 06:32:12 +02:00
/* output? */
2002-12-04 11:04:03 +01:00
if ( s - > new_picture . data [ 0 ] ) {
s - > pict_type = s - > new_picture . pict_type ;
//emms_c();
//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
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MPV_frame_start ( s , avctx ) ;
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encode_picture ( s , s - > picture_number ) ;
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avctx - > real_pict_num = s - > picture_number ;
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avctx - > header_bits = s - > header_bits ;
avctx - > mv_bits = s - > mv_bits ;
avctx - > misc_bits = s - > misc_bits ;
avctx - > i_tex_bits = s - > i_tex_bits ;
avctx - > p_tex_bits = s - > p_tex_bits ;
avctx - > i_count = s - > i_count ;
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avctx - > p_count = s - > mb_num - s - > i_count - s - > skip_count ; //FIXME f/b_count in avctx
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avctx - > skip_count = s - > skip_count ;
MPV_frame_end ( s ) ;
if ( s - > out_format = = FMT_MJPEG )
mjpeg_picture_trailer ( s ) ;
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if ( s - > flags & CODEC_FLAG_PASS1 )
ff_write_pass1_stats ( s ) ;
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for ( i = 0 ; i < 4 ; i + + ) {
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s - > current_picture_ptr - > error [ i ] = s - > current_picture . error [ i ] ;
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avctx - > error [ i ] + = s - > current_picture_ptr - > error [ i ] ;
}
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if ( s - > flags & CODEC_FLAG_PASS1 )
assert ( avctx - > header_bits + avctx - > mv_bits + avctx - > misc_bits + avctx - > i_tex_bits + avctx - > p_tex_bits = = put_bits_count ( & s - > pb ) ) ;
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flush_put_bits ( & s - > pb ) ;
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s - > frame_bits = put_bits_count ( & s - > pb ) ;
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stuffing_count = ff_vbv_update ( s , s - > frame_bits ) ;
if ( stuffing_count ) {
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if ( s - > pb . buf_end - s - > pb . buf - ( put_bits_count ( & s - > pb ) > > 3 ) < stuffing_count + 50 ) {
av_log ( s - > avctx , AV_LOG_ERROR , " stuffing too large \n " ) ;
return - 1 ;
}
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switch ( s - > codec_id ) {
case CODEC_ID_MPEG1VIDEO :
case CODEC_ID_MPEG2VIDEO :
while ( stuffing_count - - ) {
put_bits ( & s - > pb , 8 , 0 ) ;
}
break ;
case CODEC_ID_MPEG4 :
put_bits ( & s - > pb , 16 , 0 ) ;
put_bits ( & s - > pb , 16 , 0x1C3 ) ;
stuffing_count - = 4 ;
while ( stuffing_count - - ) {
put_bits ( & s - > pb , 8 , 0xFF ) ;
}
break ;
default :
av_log ( s - > avctx , AV_LOG_ERROR , " vbv buffer overflow \n " ) ;
}
flush_put_bits ( & s - > pb ) ;
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s - > frame_bits = put_bits_count ( & s - > pb ) ;
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}
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/* update mpeg1/2 vbv_delay for CBR */
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if ( s - > avctx - > rc_max_rate & & s - > avctx - > rc_min_rate = = s - > avctx - > rc_max_rate & & s - > out_format = = FMT_MPEG1
& & 90000LL * ( avctx - > rc_buffer_size - 1 ) < = s - > avctx - > rc_max_rate * 0xFFFFLL ) {
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int vbv_delay ;
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assert ( s - > repeat_first_field = = 0 ) ;
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vbv_delay = lrintf ( 90000 * s - > rc_context . buffer_index / s - > avctx - > rc_max_rate ) ;
assert ( vbv_delay < 0xFFFF ) ;
s - > vbv_delay_ptr [ 0 ] & = 0xF8 ;
s - > vbv_delay_ptr [ 0 ] | = vbv_delay > > 13 ;
s - > vbv_delay_ptr [ 1 ] = vbv_delay > > 5 ;
s - > vbv_delay_ptr [ 2 ] & = 0x07 ;
s - > vbv_delay_ptr [ 2 ] | = vbv_delay < < 3 ;
}
s - > total_bits + = s - > frame_bits ;
avctx - > frame_bits = s - > frame_bits ;
} else {
assert ( ( pbBufPtr ( & s - > pb ) = = s - > pb . buf ) ) ;
s - > frame_bits = 0 ;
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}
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assert ( ( s - > frame_bits & 7 ) = = 0 ) ;
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return s - > frame_bits / 8 ;
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}
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# endif //CONFIG_ENCODERS
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static inline void gmc1_motion ( MpegEncContext * s ,
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uint8_t * dest_y , uint8_t * dest_cb , uint8_t * dest_cr ,
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uint8_t * * ref_picture )
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{
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uint8_t * ptr ;
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int offset , src_x , src_y , linesize , uvlinesize ;
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int motion_x , motion_y ;
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int emu = 0 ;
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motion_x = s - > sprite_offset [ 0 ] [ 0 ] ;
motion_y = s - > sprite_offset [ 0 ] [ 1 ] ;
src_x = s - > mb_x * 16 + ( motion_x > > ( s - > sprite_warping_accuracy + 1 ) ) ;
src_y = s - > mb_y * 16 + ( motion_y > > ( s - > sprite_warping_accuracy + 1 ) ) ;
motion_x < < = ( 3 - s - > sprite_warping_accuracy ) ;
motion_y < < = ( 3 - s - > sprite_warping_accuracy ) ;
src_x = clip ( src_x , - 16 , s - > width ) ;
if ( src_x = = s - > width )
motion_x = 0 ;
src_y = clip ( src_y , - 16 , s - > height ) ;
if ( src_y = = s - > height )
motion_y = 0 ;
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linesize = s - > linesize ;
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uvlinesize = s - > uvlinesize ;
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ptr = ref_picture [ 0 ] + ( src_y * linesize ) + src_x ;
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if ( s - > flags & CODEC_FLAG_EMU_EDGE ) {
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if ( ( unsigned ) src_x > = s - > h_edge_pos - 17
| | ( unsigned ) src_y > = s - > v_edge_pos - 17 ) {
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ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr , linesize , 17 , 17 , src_x , src_y , s - > h_edge_pos , s - > v_edge_pos ) ;
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ptr = s - > edge_emu_buffer ;
}
}
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if ( ( motion_x | motion_y ) & 7 ) {
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s - > dsp . gmc1 ( dest_y , ptr , linesize , 16 , motion_x & 15 , motion_y & 15 , 128 - s - > no_rounding ) ;
s - > dsp . gmc1 ( dest_y + 8 , ptr + 8 , linesize , 16 , motion_x & 15 , motion_y & 15 , 128 - s - > no_rounding ) ;
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} else {
int dxy ;
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dxy = ( ( motion_x > > 3 ) & 1 ) | ( ( motion_y > > 2 ) & 2 ) ;
if ( s - > no_rounding ) {
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s - > dsp . put_no_rnd_pixels_tab [ 0 ] [ dxy ] ( dest_y , ptr , linesize , 16 ) ;
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} else {
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s - > dsp . put_pixels_tab [ 0 ] [ dxy ] ( dest_y , ptr , linesize , 16 ) ;
}
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}
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if ( s - > flags & CODEC_FLAG_GRAY ) return ;
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motion_x = s - > sprite_offset [ 1 ] [ 0 ] ;
motion_y = s - > sprite_offset [ 1 ] [ 1 ] ;
src_x = s - > mb_x * 8 + ( motion_x > > ( s - > sprite_warping_accuracy + 1 ) ) ;
src_y = s - > mb_y * 8 + ( motion_y > > ( s - > sprite_warping_accuracy + 1 ) ) ;
motion_x < < = ( 3 - s - > sprite_warping_accuracy ) ;
motion_y < < = ( 3 - s - > sprite_warping_accuracy ) ;
src_x = clip ( src_x , - 8 , s - > width > > 1 ) ;
if ( src_x = = s - > width > > 1 )
motion_x = 0 ;
src_y = clip ( src_y , - 8 , s - > height > > 1 ) ;
if ( src_y = = s - > height > > 1 )
motion_y = 0 ;
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offset = ( src_y * uvlinesize ) + src_x ;
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ptr = ref_picture [ 1 ] + offset ;
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if ( s - > flags & CODEC_FLAG_EMU_EDGE ) {
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if ( ( unsigned ) src_x > = ( s - > h_edge_pos > > 1 ) - 9
| | ( unsigned ) src_y > = ( s - > v_edge_pos > > 1 ) - 9 ) {
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ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr , uvlinesize , 9 , 9 , src_x , src_y , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
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ptr = s - > edge_emu_buffer ;
emu = 1 ;
}
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}
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s - > dsp . gmc1 ( dest_cb , ptr , uvlinesize , 8 , motion_x & 15 , motion_y & 15 , 128 - s - > no_rounding ) ;
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ptr = ref_picture [ 2 ] + offset ;
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if ( emu ) {
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ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr , uvlinesize , 9 , 9 , src_x , src_y , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
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ptr = s - > edge_emu_buffer ;
}
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s - > dsp . gmc1 ( dest_cr , ptr , uvlinesize , 8 , motion_x & 15 , motion_y & 15 , 128 - s - > no_rounding ) ;
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return ;
}
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static inline void gmc_motion ( MpegEncContext * s ,
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uint8_t * dest_y , uint8_t * dest_cb , uint8_t * dest_cr ,
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uint8_t * * ref_picture )
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{
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uint8_t * ptr ;
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int linesize , uvlinesize ;
const int a = s - > sprite_warping_accuracy ;
int ox , oy ;
linesize = s - > linesize ;
uvlinesize = s - > uvlinesize ;
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ptr = ref_picture [ 0 ] ;
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ox = s - > sprite_offset [ 0 ] [ 0 ] + s - > sprite_delta [ 0 ] [ 0 ] * s - > mb_x * 16 + s - > sprite_delta [ 0 ] [ 1 ] * s - > mb_y * 16 ;
oy = s - > sprite_offset [ 0 ] [ 1 ] + s - > sprite_delta [ 1 ] [ 0 ] * s - > mb_x * 16 + s - > sprite_delta [ 1 ] [ 1 ] * s - > mb_y * 16 ;
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s - > dsp . gmc ( dest_y , ptr , linesize , 16 ,
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ox ,
oy ,
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s - > sprite_delta [ 0 ] [ 0 ] , s - > sprite_delta [ 0 ] [ 1 ] ,
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s - > sprite_delta [ 1 ] [ 0 ] , s - > sprite_delta [ 1 ] [ 1 ] ,
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a + 1 , ( 1 < < ( 2 * a + 1 ) ) - s - > no_rounding ,
s - > h_edge_pos , s - > v_edge_pos ) ;
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s - > dsp . gmc ( dest_y + 8 , ptr , linesize , 16 ,
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ox + s - > sprite_delta [ 0 ] [ 0 ] * 8 ,
oy + s - > sprite_delta [ 1 ] [ 0 ] * 8 ,
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s - > sprite_delta [ 0 ] [ 0 ] , s - > sprite_delta [ 0 ] [ 1 ] ,
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s - > sprite_delta [ 1 ] [ 0 ] , s - > sprite_delta [ 1 ] [ 1 ] ,
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a + 1 , ( 1 < < ( 2 * a + 1 ) ) - s - > no_rounding ,
s - > h_edge_pos , s - > v_edge_pos ) ;
if ( s - > flags & CODEC_FLAG_GRAY ) return ;
ox = s - > sprite_offset [ 1 ] [ 0 ] + s - > sprite_delta [ 0 ] [ 0 ] * s - > mb_x * 8 + s - > sprite_delta [ 0 ] [ 1 ] * s - > mb_y * 8 ;
oy = s - > sprite_offset [ 1 ] [ 1 ] + s - > sprite_delta [ 1 ] [ 0 ] * s - > mb_x * 8 + s - > sprite_delta [ 1 ] [ 1 ] * s - > mb_y * 8 ;
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ptr = ref_picture [ 1 ] ;
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s - > dsp . gmc ( dest_cb , ptr , uvlinesize , 8 ,
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ox ,
oy ,
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s - > sprite_delta [ 0 ] [ 0 ] , s - > sprite_delta [ 0 ] [ 1 ] ,
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s - > sprite_delta [ 1 ] [ 0 ] , s - > sprite_delta [ 1 ] [ 1 ] ,
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a + 1 , ( 1 < < ( 2 * a + 1 ) ) - s - > no_rounding ,
s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
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ptr = ref_picture [ 2 ] ;
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s - > dsp . gmc ( dest_cr , ptr , uvlinesize , 8 ,
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ox ,
oy ,
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s - > sprite_delta [ 0 ] [ 0 ] , s - > sprite_delta [ 0 ] [ 1 ] ,
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s - > sprite_delta [ 1 ] [ 0 ] , s - > sprite_delta [ 1 ] [ 1 ] ,
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a + 1 , ( 1 < < ( 2 * a + 1 ) ) - s - > no_rounding ,
s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
}
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/**
* Copies a rectangular area of samples to a temporary buffer and replicates the boarder samples .
* @ param buf destination buffer
* @ param src source buffer
* @ param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
* @ param block_w width of block
* @ param block_h height of block
* @ param src_x x coordinate of the top left sample of the block in the source buffer
* @ param src_y y coordinate of the top left sample of the block in the source buffer
* @ param w width of the source buffer
* @ param h height of the source buffer
*/
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void ff_emulated_edge_mc ( uint8_t * buf , uint8_t * src , int linesize , int block_w , int block_h ,
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int src_x , int src_y , int w , int h ) {
int x , y ;
int start_y , start_x , end_y , end_x ;
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if ( src_y > = h ) {
src + = ( h - 1 - src_y ) * linesize ;
src_y = h - 1 ;
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} else if ( src_y < = - block_h ) {
src + = ( 1 - block_h - src_y ) * linesize ;
src_y = 1 - block_h ;
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}
if ( src_x > = w ) {
src + = ( w - 1 - src_x ) ;
src_x = w - 1 ;
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} else if ( src_x < = - block_w ) {
src + = ( 1 - block_w - src_x ) ;
src_x = 1 - block_w ;
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}
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start_y = FFMAX ( 0 , - src_y ) ;
start_x = FFMAX ( 0 , - src_x ) ;
end_y = FFMIN ( block_h , h - src_y ) ;
end_x = FFMIN ( block_w , w - src_x ) ;
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// copy existing part
for ( y = start_y ; y < end_y ; y + + ) {
for ( x = start_x ; x < end_x ; x + + ) {
buf [ x + y * linesize ] = src [ x + y * linesize ] ;
}
}
//top
for ( y = 0 ; y < start_y ; y + + ) {
for ( x = start_x ; x < end_x ; x + + ) {
buf [ x + y * linesize ] = buf [ x + start_y * linesize ] ;
}
}
//bottom
for ( y = end_y ; y < block_h ; y + + ) {
for ( x = start_x ; x < end_x ; x + + ) {
buf [ x + y * linesize ] = buf [ x + ( end_y - 1 ) * linesize ] ;
}
}
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for ( y = 0 ; y < block_h ; y + + ) {
//left
for ( x = 0 ; x < start_x ; x + + ) {
buf [ x + y * linesize ] = buf [ start_x + y * linesize ] ;
}
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//right
for ( x = end_x ; x < block_w ; x + + ) {
buf [ x + y * linesize ] = buf [ end_x - 1 + y * linesize ] ;
}
}
}
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static inline int hpel_motion ( MpegEncContext * s ,
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uint8_t * dest , uint8_t * src ,
int field_based , int field_select ,
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int src_x , int src_y ,
int width , int height , int stride ,
int h_edge_pos , int v_edge_pos ,
int w , int h , op_pixels_func * pix_op ,
int motion_x , int motion_y )
{
int dxy ;
int emu = 0 ;
dxy = ( ( motion_y & 1 ) < < 1 ) | ( motion_x & 1 ) ;
src_x + = motion_x > > 1 ;
src_y + = motion_y > > 1 ;
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/* WARNING: do no forget half pels */
src_x = clip ( src_x , - 16 , width ) ; //FIXME unneeded for emu?
if ( src_x = = width )
dxy & = ~ 1 ;
src_y = clip ( src_y , - 16 , height ) ;
if ( src_y = = height )
dxy & = ~ 2 ;
src + = src_y * stride + src_x ;
if ( s - > unrestricted_mv & & ( s - > flags & CODEC_FLAG_EMU_EDGE ) ) {
if ( ( unsigned ) src_x > h_edge_pos - ( motion_x & 1 ) - w
| | ( unsigned ) src_y > v_edge_pos - ( motion_y & 1 ) - h ) {
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ff_emulated_edge_mc ( s - > edge_emu_buffer , src , s - > linesize , w + 1 , ( h + 1 ) < < field_based ,
src_x , src_y < < field_based , h_edge_pos , s - > v_edge_pos ) ;
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src = s - > edge_emu_buffer ;
emu = 1 ;
}
}
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if ( field_select )
src + = s - > linesize ;
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pix_op [ dxy ] ( dest , src , stride , h ) ;
return emu ;
}
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static inline int hpel_motion_lowres ( MpegEncContext * s ,
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uint8_t * dest , uint8_t * src ,
int field_based , int field_select ,
int src_x , int src_y ,
int width , int height , int stride ,
int h_edge_pos , int v_edge_pos ,
int w , int h , h264_chroma_mc_func * pix_op ,
int motion_x , int motion_y )
{
const int lowres = s - > avctx - > lowres ;
const int s_mask = ( 2 < < lowres ) - 1 ;
int emu = 0 ;
int sx , sy ;
if ( s - > quarter_sample ) {
motion_x / = 2 ;
motion_y / = 2 ;
}
sx = motion_x & s_mask ;
sy = motion_y & s_mask ;
src_x + = motion_x > > ( lowres + 1 ) ;
src_y + = motion_y > > ( lowres + 1 ) ;
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src + = src_y * stride + src_x ;
if ( ( unsigned ) src_x > h_edge_pos - ( ! ! sx ) - w
| | ( unsigned ) src_y > ( v_edge_pos > > field_based ) - ( ! ! sy ) - h ) {
ff_emulated_edge_mc ( s - > edge_emu_buffer , src , s - > linesize , w + 1 , ( h + 1 ) < < field_based ,
src_x , src_y < < field_based , h_edge_pos , v_edge_pos ) ;
src = s - > edge_emu_buffer ;
emu = 1 ;
}
sx < < = 2 - lowres ;
sy < < = 2 - lowres ;
if ( field_select )
src + = s - > linesize ;
pix_op [ lowres ] ( dest , src , stride , h , sx , sy ) ;
return emu ;
}
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/* apply one mpeg motion vector to the three components */
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static always_inline void mpeg_motion ( MpegEncContext * s ,
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uint8_t * dest_y , uint8_t * dest_cb , uint8_t * dest_cr ,
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int field_based , int bottom_field , int field_select ,
uint8_t * * ref_picture , op_pixels_func ( * pix_op ) [ 4 ] ,
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int motion_x , int motion_y , int h )
{
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uint8_t * ptr_y , * ptr_cb , * ptr_cr ;
int dxy , uvdxy , mx , my , src_x , src_y , uvsrc_x , uvsrc_y , v_edge_pos , uvlinesize , linesize ;
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#if 0
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if ( s - > quarter_sample )
{
motion_x > > = 1 ;
motion_y > > = 1 ;
}
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# endif
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v_edge_pos = s - > v_edge_pos > > field_based ;
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linesize = s - > current_picture . linesize [ 0 ] < < field_based ;
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uvlinesize = s - > current_picture . linesize [ 1 ] < < field_based ;
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dxy = ( ( motion_y & 1 ) < < 1 ) | ( motion_x & 1 ) ;
src_x = s - > mb_x * 16 + ( motion_x > > 1 ) ;
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src_y = ( s - > mb_y < < ( 4 - field_based ) ) + ( motion_y > > 1 ) ;
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if ( s - > out_format = = FMT_H263 ) {
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if ( ( s - > workaround_bugs & FF_BUG_HPEL_CHROMA ) & & field_based ) {
mx = ( motion_x > > 1 ) | ( motion_x & 1 ) ;
my = motion_y > > 1 ;
uvdxy = ( ( my & 1 ) < < 1 ) | ( mx & 1 ) ;
uvsrc_x = s - > mb_x * 8 + ( mx > > 1 ) ;
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uvsrc_y = ( s - > mb_y < < ( 3 - field_based ) ) + ( my > > 1 ) ;
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} else {
uvdxy = dxy | ( motion_y & 2 ) | ( ( motion_x & 2 ) > > 1 ) ;
uvsrc_x = src_x > > 1 ;
uvsrc_y = src_y > > 1 ;
}
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} else if ( s - > out_format = = FMT_H261 ) { //even chroma mv's are full pel in H261
mx = motion_x / 4 ;
my = motion_y / 4 ;
uvdxy = 0 ;
uvsrc_x = s - > mb_x * 8 + mx ;
uvsrc_y = s - > mb_y * 8 + my ;
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} else {
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if ( s - > chroma_y_shift ) {
mx = motion_x / 2 ;
my = motion_y / 2 ;
uvdxy = ( ( my & 1 ) < < 1 ) | ( mx & 1 ) ;
uvsrc_x = s - > mb_x * 8 + ( mx > > 1 ) ;
uvsrc_y = ( s - > mb_y < < ( 3 - field_based ) ) + ( my > > 1 ) ;
} else {
if ( s - > chroma_x_shift ) {
//Chroma422
mx = motion_x / 2 ;
uvdxy = ( ( motion_y & 1 ) < < 1 ) | ( mx & 1 ) ;
uvsrc_x = s - > mb_x * 8 + ( mx > > 1 ) ;
uvsrc_y = src_y ;
} else {
//Chroma444
uvdxy = dxy ;
uvsrc_x = src_x ;
uvsrc_y = src_y ;
}
}
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}
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ptr_y = ref_picture [ 0 ] + src_y * linesize + src_x ;
ptr_cb = ref_picture [ 1 ] + uvsrc_y * uvlinesize + uvsrc_x ;
ptr_cr = ref_picture [ 2 ] + uvsrc_y * uvlinesize + uvsrc_x ;
if ( ( unsigned ) src_x > s - > h_edge_pos - ( motion_x & 1 ) - 16
| | ( unsigned ) src_y > v_edge_pos - ( motion_y & 1 ) - h ) {
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if ( s - > codec_id = = CODEC_ID_MPEG2VIDEO | |
s - > codec_id = = CODEC_ID_MPEG1VIDEO ) {
av_log ( s - > avctx , AV_LOG_DEBUG , " MPEG motion vector out of boundary \n " ) ;
return ;
}
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ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr_y , s - > linesize , 17 , 17 + field_based ,
src_x , src_y < < field_based , s - > h_edge_pos , s - > v_edge_pos ) ;
ptr_y = s - > edge_emu_buffer ;
if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
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uint8_t * uvbuf = s - > edge_emu_buffer + 18 * s - > linesize ;
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ff_emulated_edge_mc ( uvbuf , ptr_cb , s - > uvlinesize , 9 , 9 + field_based ,
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uvsrc_x , uvsrc_y < < field_based , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
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ff_emulated_edge_mc ( uvbuf + 16 , ptr_cr , s - > uvlinesize , 9 , 9 + field_based ,
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uvsrc_x , uvsrc_y < < field_based , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
ptr_cb = uvbuf ;
ptr_cr = uvbuf + 16 ;
}
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}
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if ( bottom_field ) { //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data
dest_y + = s - > linesize ;
dest_cb + = s - > uvlinesize ;
dest_cr + = s - > uvlinesize ;
}
if ( field_select ) {
ptr_y + = s - > linesize ;
ptr_cb + = s - > uvlinesize ;
ptr_cr + = s - > uvlinesize ;
}
pix_op [ 0 ] [ dxy ] ( dest_y , ptr_y , linesize , h ) ;
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if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
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pix_op [ s - > chroma_x_shift ] [ uvdxy ] ( dest_cb , ptr_cb , uvlinesize , h > > s - > chroma_y_shift ) ;
pix_op [ s - > chroma_x_shift ] [ uvdxy ] ( dest_cr , ptr_cr , uvlinesize , h > > s - > chroma_y_shift ) ;
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}
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# if defined(CONFIG_H261_ENCODER) || defined(CONFIG_H261_DECODER)
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if ( s - > out_format = = FMT_H261 ) {
ff_h261_loop_filter ( s ) ;
}
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# endif
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}
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/* apply one mpeg motion vector to the three components */
static always_inline void mpeg_motion_lowres ( MpegEncContext * s ,
uint8_t * dest_y , uint8_t * dest_cb , uint8_t * dest_cr ,
int field_based , int bottom_field , int field_select ,
uint8_t * * ref_picture , h264_chroma_mc_func * pix_op ,
int motion_x , int motion_y , int h )
{
uint8_t * ptr_y , * ptr_cb , * ptr_cr ;
int mx , my , src_x , src_y , uvsrc_x , uvsrc_y , uvlinesize , linesize , sx , sy , uvsx , uvsy ;
const int lowres = s - > avctx - > lowres ;
const int block_s = 8 > > lowres ;
const int s_mask = ( 2 < < lowres ) - 1 ;
const int h_edge_pos = s - > h_edge_pos > > lowres ;
const int v_edge_pos = s - > v_edge_pos > > lowres ;
linesize = s - > current_picture . linesize [ 0 ] < < field_based ;
uvlinesize = s - > current_picture . linesize [ 1 ] < < field_based ;
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if ( s - > quarter_sample ) { //FIXME obviously not perfect but qpel wont work in lowres anyway
motion_x / = 2 ;
motion_y / = 2 ;
}
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if ( field_based ) {
motion_y + = ( bottom_field - field_select ) * ( ( 1 < < lowres ) - 1 ) ;
}
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sx = motion_x & s_mask ;
sy = motion_y & s_mask ;
src_x = s - > mb_x * 2 * block_s + ( motion_x > > ( lowres + 1 ) ) ;
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src_y = ( s - > mb_y * 2 * block_s > > field_based ) + ( motion_y > > ( lowres + 1 ) ) ;
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if ( s - > out_format = = FMT_H263 ) {
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uvsx = ( ( motion_x > > 1 ) & s_mask ) | ( sx & 1 ) ;
uvsy = ( ( motion_y > > 1 ) & s_mask ) | ( sy & 1 ) ;
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uvsrc_x = src_x > > 1 ;
uvsrc_y = src_y > > 1 ;
} else if ( s - > out_format = = FMT_H261 ) { //even chroma mv's are full pel in H261
mx = motion_x / 4 ;
my = motion_y / 4 ;
uvsx = ( 2 * mx ) & s_mask ;
uvsy = ( 2 * my ) & s_mask ;
uvsrc_x = s - > mb_x * block_s + ( mx > > lowres ) ;
uvsrc_y = s - > mb_y * block_s + ( my > > lowres ) ;
} else {
mx = motion_x / 2 ;
my = motion_y / 2 ;
uvsx = mx & s_mask ;
uvsy = my & s_mask ;
uvsrc_x = s - > mb_x * block_s + ( mx > > ( lowres + 1 ) ) ;
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uvsrc_y = ( s - > mb_y * block_s > > field_based ) + ( my > > ( lowres + 1 ) ) ;
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}
ptr_y = ref_picture [ 0 ] + src_y * linesize + src_x ;
ptr_cb = ref_picture [ 1 ] + uvsrc_y * uvlinesize + uvsrc_x ;
ptr_cr = ref_picture [ 2 ] + uvsrc_y * uvlinesize + uvsrc_x ;
if ( ( unsigned ) src_x > h_edge_pos - ( ! ! sx ) - 2 * block_s
| | ( unsigned ) src_y > ( v_edge_pos > > field_based ) - ( ! ! sy ) - h ) {
ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr_y , s - > linesize , 17 , 17 + field_based ,
src_x , src_y < < field_based , h_edge_pos , v_edge_pos ) ;
ptr_y = s - > edge_emu_buffer ;
if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
uint8_t * uvbuf = s - > edge_emu_buffer + 18 * s - > linesize ;
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ff_emulated_edge_mc ( uvbuf , ptr_cb , s - > uvlinesize , 9 , 9 + field_based ,
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uvsrc_x , uvsrc_y < < field_based , h_edge_pos > > 1 , v_edge_pos > > 1 ) ;
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ff_emulated_edge_mc ( uvbuf + 16 , ptr_cr , s - > uvlinesize , 9 , 9 + field_based ,
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uvsrc_x , uvsrc_y < < field_based , h_edge_pos > > 1 , v_edge_pos > > 1 ) ;
ptr_cb = uvbuf ;
ptr_cr = uvbuf + 16 ;
}
}
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if ( bottom_field ) { //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data
dest_y + = s - > linesize ;
dest_cb + = s - > uvlinesize ;
dest_cr + = s - > uvlinesize ;
}
if ( field_select ) {
ptr_y + = s - > linesize ;
ptr_cb + = s - > uvlinesize ;
ptr_cr + = s - > uvlinesize ;
}
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sx < < = 2 - lowres ;
sy < < = 2 - lowres ;
pix_op [ lowres - 1 ] ( dest_y , ptr_y , linesize , h , sx , sy ) ;
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if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
uvsx < < = 2 - lowres ;
uvsy < < = 2 - lowres ;
pix_op [ lowres ] ( dest_cb , ptr_cb , uvlinesize , h > > s - > chroma_y_shift , uvsx , uvsy ) ;
pix_op [ lowres ] ( dest_cr , ptr_cr , uvlinesize , h > > s - > chroma_y_shift , uvsx , uvsy ) ;
}
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//FIXME h261 lowres loop filter
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}
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//FIXME move to dsputil, avg variant, 16x16 version
static inline void put_obmc ( uint8_t * dst , uint8_t * src [ 5 ] , int stride ) {
int x ;
uint8_t * const top = src [ 1 ] ;
uint8_t * const left = src [ 2 ] ;
uint8_t * const mid = src [ 0 ] ;
uint8_t * const right = src [ 3 ] ;
uint8_t * const bottom = src [ 4 ] ;
# define OBMC_FILTER(x, t, l, m, r, b)\
dst [ x ] = ( t * top [ x ] + l * left [ x ] + m * mid [ x ] + r * right [ x ] + b * bottom [ x ] + 4 ) > > 3
# define OBMC_FILTER4(x, t, l, m, r, b)\
OBMC_FILTER ( x , t , l , m , r , b ) ; \
OBMC_FILTER ( x + 1 , t , l , m , r , b ) ; \
OBMC_FILTER ( x + stride , t , l , m , r , b ) ; \
OBMC_FILTER ( x + 1 + stride , t , l , m , r , b ) ;
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x = 0 ;
OBMC_FILTER ( x , 2 , 2 , 4 , 0 , 0 ) ;
OBMC_FILTER ( x + 1 , 2 , 1 , 5 , 0 , 0 ) ;
OBMC_FILTER4 ( x + 2 , 2 , 1 , 5 , 0 , 0 ) ;
OBMC_FILTER4 ( x + 4 , 2 , 0 , 5 , 1 , 0 ) ;
OBMC_FILTER ( x + 6 , 2 , 0 , 5 , 1 , 0 ) ;
OBMC_FILTER ( x + 7 , 2 , 0 , 4 , 2 , 0 ) ;
x + = stride ;
OBMC_FILTER ( x , 1 , 2 , 5 , 0 , 0 ) ;
OBMC_FILTER ( x + 1 , 1 , 2 , 5 , 0 , 0 ) ;
OBMC_FILTER ( x + 6 , 1 , 0 , 5 , 2 , 0 ) ;
OBMC_FILTER ( x + 7 , 1 , 0 , 5 , 2 , 0 ) ;
x + = stride ;
OBMC_FILTER4 ( x , 1 , 2 , 5 , 0 , 0 ) ;
OBMC_FILTER4 ( x + 2 , 1 , 1 , 6 , 0 , 0 ) ;
OBMC_FILTER4 ( x + 4 , 1 , 0 , 6 , 1 , 0 ) ;
OBMC_FILTER4 ( x + 6 , 1 , 0 , 5 , 2 , 0 ) ;
x + = 2 * stride ;
OBMC_FILTER4 ( x , 0 , 2 , 5 , 0 , 1 ) ;
OBMC_FILTER4 ( x + 2 , 0 , 1 , 6 , 0 , 1 ) ;
OBMC_FILTER4 ( x + 4 , 0 , 0 , 6 , 1 , 1 ) ;
OBMC_FILTER4 ( x + 6 , 0 , 0 , 5 , 2 , 1 ) ;
x + = 2 * stride ;
OBMC_FILTER ( x , 0 , 2 , 5 , 0 , 1 ) ;
OBMC_FILTER ( x + 1 , 0 , 2 , 5 , 0 , 1 ) ;
OBMC_FILTER4 ( x + 2 , 0 , 1 , 5 , 0 , 2 ) ;
OBMC_FILTER4 ( x + 4 , 0 , 0 , 5 , 1 , 2 ) ;
OBMC_FILTER ( x + 6 , 0 , 0 , 5 , 2 , 1 ) ;
OBMC_FILTER ( x + 7 , 0 , 0 , 5 , 2 , 1 ) ;
x + = stride ;
OBMC_FILTER ( x , 0 , 2 , 4 , 0 , 2 ) ;
OBMC_FILTER ( x + 1 , 0 , 1 , 5 , 0 , 2 ) ;
OBMC_FILTER ( x + 6 , 0 , 0 , 5 , 1 , 2 ) ;
OBMC_FILTER ( x + 7 , 0 , 0 , 4 , 2 , 2 ) ;
}
/* obmc for 1 8x8 luma block */
static inline void obmc_motion ( MpegEncContext * s ,
uint8_t * dest , uint8_t * src ,
int src_x , int src_y ,
op_pixels_func * pix_op ,
int16_t mv [ 5 ] [ 2 ] /* mid top left right bottom*/ )
# define MID 0
{
int i ;
uint8_t * ptr [ 5 ] ;
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assert ( s - > quarter_sample = = 0 ) ;
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for ( i = 0 ; i < 5 ; i + + ) {
if ( i & & mv [ i ] [ 0 ] = = mv [ MID ] [ 0 ] & & mv [ i ] [ 1 ] = = mv [ MID ] [ 1 ] ) {
ptr [ i ] = ptr [ MID ] ;
} else {
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ptr [ i ] = s - > obmc_scratchpad + 8 * ( i & 1 ) + s - > linesize * 8 * ( i > > 1 ) ;
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hpel_motion ( s , ptr [ i ] , src , 0 , 0 ,
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src_x , src_y ,
s - > width , s - > height , s - > linesize ,
s - > h_edge_pos , s - > v_edge_pos ,
8 , 8 , pix_op ,
mv [ i ] [ 0 ] , mv [ i ] [ 1 ] ) ;
}
}
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put_obmc ( dest , ptr , s - > linesize ) ;
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}
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static inline void qpel_motion ( MpegEncContext * s ,
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uint8_t * dest_y , uint8_t * dest_cb , uint8_t * dest_cr ,
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int field_based , int bottom_field , int field_select ,
uint8_t * * ref_picture , op_pixels_func ( * pix_op ) [ 4 ] ,
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qpel_mc_func ( * qpix_op ) [ 16 ] ,
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int motion_x , int motion_y , int h )
{
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uint8_t * ptr_y , * ptr_cb , * ptr_cr ;
int dxy , uvdxy , mx , my , src_x , src_y , uvsrc_x , uvsrc_y , v_edge_pos , linesize , uvlinesize ;
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dxy = ( ( motion_y & 3 ) < < 2 ) | ( motion_x & 3 ) ;
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src_x = s - > mb_x * 16 + ( motion_x > > 2 ) ;
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src_y = s - > mb_y * ( 16 > > field_based ) + ( motion_y > > 2 ) ;
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v_edge_pos = s - > v_edge_pos > > field_based ;
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linesize = s - > linesize < < field_based ;
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uvlinesize = s - > uvlinesize < < field_based ;
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if ( field_based ) {
mx = motion_x / 2 ;
my = motion_y > > 1 ;
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} else if ( s - > workaround_bugs & FF_BUG_QPEL_CHROMA2 ) {
static const int rtab [ 8 ] = { 0 , 0 , 1 , 1 , 0 , 0 , 0 , 1 } ;
mx = ( motion_x > > 1 ) + rtab [ motion_x & 7 ] ;
my = ( motion_y > > 1 ) + rtab [ motion_y & 7 ] ;
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} else if ( s - > workaround_bugs & FF_BUG_QPEL_CHROMA ) {
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mx = ( motion_x > > 1 ) | ( motion_x & 1 ) ;
my = ( motion_y > > 1 ) | ( motion_y & 1 ) ;
} else {
mx = motion_x / 2 ;
my = motion_y / 2 ;
}
mx = ( mx > > 1 ) | ( mx & 1 ) ;
my = ( my > > 1 ) | ( my & 1 ) ;
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uvdxy = ( mx & 1 ) | ( ( my & 1 ) < < 1 ) ;
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mx > > = 1 ;
my > > = 1 ;
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uvsrc_x = s - > mb_x * 8 + mx ;
uvsrc_y = s - > mb_y * ( 8 > > field_based ) + my ;
ptr_y = ref_picture [ 0 ] + src_y * linesize + src_x ;
ptr_cb = ref_picture [ 1 ] + uvsrc_y * uvlinesize + uvsrc_x ;
ptr_cr = ref_picture [ 2 ] + uvsrc_y * uvlinesize + uvsrc_x ;
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if ( ( unsigned ) src_x > s - > h_edge_pos - ( motion_x & 3 ) - 16
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| | ( unsigned ) src_y > v_edge_pos - ( motion_y & 3 ) - h ) {
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ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr_y , s - > linesize , 17 , 17 + field_based ,
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src_x , src_y < < field_based , s - > h_edge_pos , s - > v_edge_pos ) ;
ptr_y = s - > edge_emu_buffer ;
if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
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uint8_t * uvbuf = s - > edge_emu_buffer + 18 * s - > linesize ;
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ff_emulated_edge_mc ( uvbuf , ptr_cb , s - > uvlinesize , 9 , 9 + field_based ,
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uvsrc_x , uvsrc_y < < field_based , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
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ff_emulated_edge_mc ( uvbuf + 16 , ptr_cr , s - > uvlinesize , 9 , 9 + field_based ,
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uvsrc_x , uvsrc_y < < field_based , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
ptr_cb = uvbuf ;
ptr_cr = uvbuf + 16 ;
}
}
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if ( ! field_based )
qpix_op [ 0 ] [ dxy ] ( dest_y , ptr_y , linesize ) ;
else {
if ( bottom_field ) {
dest_y + = s - > linesize ;
dest_cb + = s - > uvlinesize ;
dest_cr + = s - > uvlinesize ;
}
if ( field_select ) {
ptr_y + = s - > linesize ;
ptr_cb + = s - > uvlinesize ;
ptr_cr + = s - > uvlinesize ;
}
//damn interlaced mode
//FIXME boundary mirroring is not exactly correct here
qpix_op [ 1 ] [ dxy ] ( dest_y , ptr_y , linesize ) ;
qpix_op [ 1 ] [ dxy ] ( dest_y + 8 , ptr_y + 8 , linesize ) ;
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}
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if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
pix_op [ 1 ] [ uvdxy ] ( dest_cr , ptr_cr , uvlinesize , h > > 1 ) ;
pix_op [ 1 ] [ uvdxy ] ( dest_cb , ptr_cb , uvlinesize , h > > 1 ) ;
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}
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}
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inline int ff_h263_round_chroma ( int x ) {
if ( x > = 0 )
return ( h263_chroma_roundtab [ x & 0xf ] + ( ( x > > 3 ) & ~ 1 ) ) ;
else {
x = - x ;
return - ( h263_chroma_roundtab [ x & 0xf ] + ( ( x > > 3 ) & ~ 1 ) ) ;
}
}
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/**
* h263 chorma 4 mv motion compensation .
*/
static inline void chroma_4mv_motion ( MpegEncContext * s ,
uint8_t * dest_cb , uint8_t * dest_cr ,
uint8_t * * ref_picture ,
op_pixels_func * pix_op ,
int mx , int my ) {
int dxy , emu = 0 , src_x , src_y , offset ;
uint8_t * ptr ;
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/* In case of 8X8, we construct a single chroma motion vector
with a special rounding */
mx = ff_h263_round_chroma ( mx ) ;
my = ff_h263_round_chroma ( my ) ;
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dxy = ( ( my & 1 ) < < 1 ) | ( mx & 1 ) ;
mx > > = 1 ;
my > > = 1 ;
src_x = s - > mb_x * 8 + mx ;
src_y = s - > mb_y * 8 + my ;
src_x = clip ( src_x , - 8 , s - > width / 2 ) ;
if ( src_x = = s - > width / 2 )
dxy & = ~ 1 ;
src_y = clip ( src_y , - 8 , s - > height / 2 ) ;
if ( src_y = = s - > height / 2 )
dxy & = ~ 2 ;
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offset = ( src_y * ( s - > uvlinesize ) ) + src_x ;
ptr = ref_picture [ 1 ] + offset ;
if ( s - > flags & CODEC_FLAG_EMU_EDGE ) {
if ( ( unsigned ) src_x > ( s - > h_edge_pos > > 1 ) - ( dxy & 1 ) - 8
| | ( unsigned ) src_y > ( s - > v_edge_pos > > 1 ) - ( dxy > > 1 ) - 8 ) {
ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr , s - > uvlinesize , 9 , 9 , src_x , src_y , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
ptr = s - > edge_emu_buffer ;
emu = 1 ;
}
}
pix_op [ dxy ] ( dest_cb , ptr , s - > uvlinesize , 8 ) ;
ptr = ref_picture [ 2 ] + offset ;
if ( emu ) {
ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr , s - > uvlinesize , 9 , 9 , src_x , src_y , s - > h_edge_pos > > 1 , s - > v_edge_pos > > 1 ) ;
ptr = s - > edge_emu_buffer ;
}
pix_op [ dxy ] ( dest_cr , ptr , s - > uvlinesize , 8 ) ;
}
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static inline void chroma_4mv_motion_lowres ( MpegEncContext * s ,
uint8_t * dest_cb , uint8_t * dest_cr ,
uint8_t * * ref_picture ,
h264_chroma_mc_func * pix_op ,
int mx , int my ) {
const int lowres = s - > avctx - > lowres ;
const int block_s = 8 > > lowres ;
const int s_mask = ( 2 < < lowres ) - 1 ;
const int h_edge_pos = s - > h_edge_pos > > ( lowres + 1 ) ;
const int v_edge_pos = s - > v_edge_pos > > ( lowres + 1 ) ;
int emu = 0 , src_x , src_y , offset , sx , sy ;
uint8_t * ptr ;
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if ( s - > quarter_sample ) {
mx / = 2 ;
my / = 2 ;
}
/* In case of 8X8, we construct a single chroma motion vector
with a special rounding */
mx = ff_h263_round_chroma ( mx ) ;
my = ff_h263_round_chroma ( my ) ;
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sx = mx & s_mask ;
sy = my & s_mask ;
src_x = s - > mb_x * block_s + ( mx > > ( lowres + 1 ) ) ;
src_y = s - > mb_y * block_s + ( my > > ( lowres + 1 ) ) ;
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offset = src_y * s - > uvlinesize + src_x ;
ptr = ref_picture [ 1 ] + offset ;
if ( s - > flags & CODEC_FLAG_EMU_EDGE ) {
if ( ( unsigned ) src_x > h_edge_pos - ( ! ! sx ) - block_s
| | ( unsigned ) src_y > v_edge_pos - ( ! ! sy ) - block_s ) {
ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr , s - > uvlinesize , 9 , 9 , src_x , src_y , h_edge_pos , v_edge_pos ) ;
ptr = s - > edge_emu_buffer ;
emu = 1 ;
}
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}
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sx < < = 2 - lowres ;
sy < < = 2 - lowres ;
pix_op [ lowres ] ( dest_cb , ptr , s - > uvlinesize , block_s , sx , sy ) ;
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ptr = ref_picture [ 2 ] + offset ;
if ( emu ) {
ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr , s - > uvlinesize , 9 , 9 , src_x , src_y , h_edge_pos , v_edge_pos ) ;
ptr = s - > edge_emu_buffer ;
}
pix_op [ lowres ] ( dest_cr , ptr , s - > uvlinesize , block_s , sx , sy ) ;
}
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static inline void prefetch_motion ( MpegEncContext * s , uint8_t * * pix , int dir ) {
/* fetch pixels for estimated mv 4 macroblocks ahead
* optimized for 64 byte cache lines */
const int shift = s - > quarter_sample ? 2 : 1 ;
const int mx = ( s - > mv [ dir ] [ 0 ] [ 0 ] > > shift ) + 16 * s - > mb_x + 8 ;
const int my = ( s - > mv [ dir ] [ 0 ] [ 1 ] > > shift ) + 16 * s - > mb_y ;
int off = mx + ( my + ( s - > mb_x & 3 ) * 4 ) * s - > linesize + 64 ;
s - > dsp . prefetch ( pix [ 0 ] + off , s - > linesize , 4 ) ;
off = ( mx > > 1 ) + ( ( my > > 1 ) + ( s - > mb_x & 7 ) ) * s - > uvlinesize + 64 ;
s - > dsp . prefetch ( pix [ 1 ] + off , pix [ 2 ] - pix [ 1 ] , 2 ) ;
}
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/**
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* motion compensation of a single macroblock
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* @ param s context
* @ param dest_y luma destination pointer
* @ param dest_cb chroma cb / u destination pointer
* @ param dest_cr chroma cr / v destination pointer
* @ param dir direction ( 0 - > forward , 1 - > backward )
* @ param ref_picture array [ 3 ] of pointers to the 3 planes of the reference picture
* @ param pic_op halfpel motion compensation function ( average or put normally )
* @ param pic_op qpel motion compensation function ( average or put normally )
* the motion vectors are taken from s - > mv and the MV type from s - > mv_type
*/
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static inline void MPV_motion ( MpegEncContext * s ,
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uint8_t * dest_y , uint8_t * dest_cb , uint8_t * dest_cr ,
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int dir , uint8_t * * ref_picture ,
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op_pixels_func ( * pix_op ) [ 4 ] , qpel_mc_func ( * qpix_op ) [ 16 ] )
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{
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int dxy , mx , my , src_x , src_y , motion_x , motion_y ;
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int mb_x , mb_y , i ;
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uint8_t * ptr , * dest ;
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mb_x = s - > mb_x ;
mb_y = s - > mb_y ;
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prefetch_motion ( s , ref_picture , dir ) ;
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if ( s - > obmc & & s - > pict_type ! = B_TYPE ) {
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int16_t mv_cache [ 4 ] [ 4 ] [ 2 ] ;
const int xy = s - > mb_x + s - > mb_y * s - > mb_stride ;
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const int mot_stride = s - > b8_stride ;
const int mot_xy = mb_x * 2 + mb_y * 2 * mot_stride ;
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assert ( ! s - > mb_skipped ) ;
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memcpy ( mv_cache [ 1 ] [ 1 ] , s - > current_picture . motion_val [ 0 ] [ mot_xy ] , sizeof ( int16_t ) * 4 ) ;
memcpy ( mv_cache [ 2 ] [ 1 ] , s - > current_picture . motion_val [ 0 ] [ mot_xy + mot_stride ] , sizeof ( int16_t ) * 4 ) ;
memcpy ( mv_cache [ 3 ] [ 1 ] , s - > current_picture . motion_val [ 0 ] [ mot_xy + mot_stride ] , sizeof ( int16_t ) * 4 ) ;
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if ( mb_y = = 0 | | IS_INTRA ( s - > current_picture . mb_type [ xy - s - > mb_stride ] ) ) {
memcpy ( mv_cache [ 0 ] [ 1 ] , mv_cache [ 1 ] [ 1 ] , sizeof ( int16_t ) * 4 ) ;
} else {
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memcpy ( mv_cache [ 0 ] [ 1 ] , s - > current_picture . motion_val [ 0 ] [ mot_xy - mot_stride ] , sizeof ( int16_t ) * 4 ) ;
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}
if ( mb_x = = 0 | | IS_INTRA ( s - > current_picture . mb_type [ xy - 1 ] ) ) {
* ( int32_t * ) mv_cache [ 1 ] [ 0 ] = * ( int32_t * ) mv_cache [ 1 ] [ 1 ] ;
* ( int32_t * ) mv_cache [ 2 ] [ 0 ] = * ( int32_t * ) mv_cache [ 2 ] [ 1 ] ;
} else {
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* ( int32_t * ) mv_cache [ 1 ] [ 0 ] = * ( int32_t * ) s - > current_picture . motion_val [ 0 ] [ mot_xy - 1 ] ;
* ( int32_t * ) mv_cache [ 2 ] [ 0 ] = * ( int32_t * ) s - > current_picture . motion_val [ 0 ] [ mot_xy - 1 + mot_stride ] ;
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}
if ( mb_x + 1 > = s - > mb_width | | IS_INTRA ( s - > current_picture . mb_type [ xy + 1 ] ) ) {
* ( int32_t * ) mv_cache [ 1 ] [ 3 ] = * ( int32_t * ) mv_cache [ 1 ] [ 2 ] ;
* ( int32_t * ) mv_cache [ 2 ] [ 3 ] = * ( int32_t * ) mv_cache [ 2 ] [ 2 ] ;
} else {
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* ( int32_t * ) mv_cache [ 1 ] [ 3 ] = * ( int32_t * ) s - > current_picture . motion_val [ 0 ] [ mot_xy + 2 ] ;
* ( int32_t * ) mv_cache [ 2 ] [ 3 ] = * ( int32_t * ) s - > current_picture . motion_val [ 0 ] [ mot_xy + 2 + mot_stride ] ;
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}
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mx = 0 ;
my = 0 ;
for ( i = 0 ; i < 4 ; i + + ) {
const int x = ( i & 1 ) + 1 ;
const int y = ( i > > 1 ) + 1 ;
int16_t mv [ 5 ] [ 2 ] = {
{ mv_cache [ y ] [ x ] [ 0 ] , mv_cache [ y ] [ x ] [ 1 ] } ,
{ mv_cache [ y - 1 ] [ x ] [ 0 ] , mv_cache [ y - 1 ] [ x ] [ 1 ] } ,
{ mv_cache [ y ] [ x - 1 ] [ 0 ] , mv_cache [ y ] [ x - 1 ] [ 1 ] } ,
{ mv_cache [ y ] [ x + 1 ] [ 0 ] , mv_cache [ y ] [ x + 1 ] [ 1 ] } ,
{ mv_cache [ y + 1 ] [ x ] [ 0 ] , mv_cache [ y + 1 ] [ x ] [ 1 ] } } ;
//FIXME cleanup
obmc_motion ( s , dest_y + ( ( i & 1 ) * 8 ) + ( i > > 1 ) * 8 * s - > linesize ,
ref_picture [ 0 ] ,
mb_x * 16 + ( i & 1 ) * 8 , mb_y * 16 + ( i > > 1 ) * 8 ,
pix_op [ 1 ] ,
mv ) ;
mx + = mv [ 0 ] [ 0 ] ;
my + = mv [ 0 ] [ 1 ] ;
}
if ( ! ( s - > flags & CODEC_FLAG_GRAY ) )
chroma_4mv_motion ( s , dest_cb , dest_cr , ref_picture , pix_op [ 1 ] , mx , my ) ;
return ;
}
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switch ( s - > mv_type ) {
case MV_TYPE_16X16 :
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if ( s - > mcsel ) {
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if ( s - > real_sprite_warping_points = = 1 ) {
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gmc1_motion ( s , dest_y , dest_cb , dest_cr ,
ref_picture ) ;
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} else {
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gmc_motion ( s , dest_y , dest_cb , dest_cr ,
ref_picture ) ;
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}
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} else if ( s - > quarter_sample ) {
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qpel_motion ( s , dest_y , dest_cb , dest_cr ,
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0 , 0 , 0 ,
ref_picture , pix_op , qpix_op ,
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s - > mv [ dir ] [ 0 ] [ 0 ] , s - > mv [ dir ] [ 0 ] [ 1 ] , 16 ) ;
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} else if ( s - > mspel ) {
ff_mspel_motion ( s , dest_y , dest_cb , dest_cr ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 0 ] [ 0 ] , s - > mv [ dir ] [ 0 ] [ 1 ] , 16 ) ;
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} else
{
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mpeg_motion ( s , dest_y , dest_cb , dest_cr ,
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0 , 0 , 0 ,
ref_picture , pix_op ,
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s - > mv [ dir ] [ 0 ] [ 0 ] , s - > mv [ dir ] [ 0 ] [ 1 ] , 16 ) ;
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}
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break ;
case MV_TYPE_8X8 :
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mx = 0 ;
my = 0 ;
if ( s - > quarter_sample ) {
for ( i = 0 ; i < 4 ; i + + ) {
motion_x = s - > mv [ dir ] [ i ] [ 0 ] ;
motion_y = s - > mv [ dir ] [ i ] [ 1 ] ;
dxy = ( ( motion_y & 3 ) < < 2 ) | ( motion_x & 3 ) ;
src_x = mb_x * 16 + ( motion_x > > 2 ) + ( i & 1 ) * 8 ;
src_y = mb_y * 16 + ( motion_y > > 2 ) + ( i > > 1 ) * 8 ;
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/* WARNING: do no forget half pels */
src_x = clip ( src_x , - 16 , s - > width ) ;
if ( src_x = = s - > width )
dxy & = ~ 3 ;
src_y = clip ( src_y , - 16 , s - > height ) ;
if ( src_y = = s - > height )
dxy & = ~ 12 ;
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ptr = ref_picture [ 0 ] + ( src_y * s - > linesize ) + ( src_x ) ;
if ( s - > flags & CODEC_FLAG_EMU_EDGE ) {
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if ( ( unsigned ) src_x > s - > h_edge_pos - ( motion_x & 3 ) - 8
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| | ( unsigned ) src_y > s - > v_edge_pos - ( motion_y & 3 ) - 8 ) {
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ff_emulated_edge_mc ( s - > edge_emu_buffer , ptr , s - > linesize , 9 , 9 , src_x , src_y , s - > h_edge_pos , s - > v_edge_pos ) ;
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ptr = s - > edge_emu_buffer ;
}
}
dest = dest_y + ( ( i & 1 ) * 8 ) + ( i > > 1 ) * 8 * s - > linesize ;
qpix_op [ 1 ] [ dxy ] ( dest , ptr , s - > linesize ) ;
mx + = s - > mv [ dir ] [ i ] [ 0 ] / 2 ;
my + = s - > mv [ dir ] [ i ] [ 1 ] / 2 ;
}
} else {
for ( i = 0 ; i < 4 ; i + + ) {
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hpel_motion ( s , dest_y + ( ( i & 1 ) * 8 ) + ( i > > 1 ) * 8 * s - > linesize ,
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ref_picture [ 0 ] , 0 , 0 ,
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mb_x * 16 + ( i & 1 ) * 8 , mb_y * 16 + ( i > > 1 ) * 8 ,
s - > width , s - > height , s - > linesize ,
s - > h_edge_pos , s - > v_edge_pos ,
8 , 8 , pix_op [ 1 ] ,
s - > mv [ dir ] [ i ] [ 0 ] , s - > mv [ dir ] [ i ] [ 1 ] ) ;
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mx + = s - > mv [ dir ] [ i ] [ 0 ] ;
my + = s - > mv [ dir ] [ i ] [ 1 ] ;
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}
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}
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if ( ! ( s - > flags & CODEC_FLAG_GRAY ) )
chroma_4mv_motion ( s , dest_cb , dest_cr , ref_picture , pix_op [ 1 ] , mx , my ) ;
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break ;
case MV_TYPE_FIELD :
if ( s - > picture_structure = = PICT_FRAME ) {
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if ( s - > quarter_sample ) {
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for ( i = 0 ; i < 2 ; i + + ) {
qpel_motion ( s , dest_y , dest_cb , dest_cr ,
1 , i , s - > field_select [ dir ] [ i ] ,
ref_picture , pix_op , qpix_op ,
s - > mv [ dir ] [ i ] [ 0 ] , s - > mv [ dir ] [ i ] [ 1 ] , 8 ) ;
}
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} else {
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/* top field */
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mpeg_motion ( s , dest_y , dest_cb , dest_cr ,
1 , 0 , s - > field_select [ dir ] [ 0 ] ,
ref_picture , pix_op ,
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s - > mv [ dir ] [ 0 ] [ 0 ] , s - > mv [ dir ] [ 0 ] [ 1 ] , 8 ) ;
/* bottom field */
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mpeg_motion ( s , dest_y , dest_cb , dest_cr ,
1 , 1 , s - > field_select [ dir ] [ 1 ] ,
ref_picture , pix_op ,
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s - > mv [ dir ] [ 1 ] [ 0 ] , s - > mv [ dir ] [ 1 ] [ 1 ] , 8 ) ;
}
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} else {
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if ( s - > picture_structure ! = s - > field_select [ dir ] [ 0 ] + 1 & & s - > pict_type ! = B_TYPE & & ! s - > first_field ) {
ref_picture = s - > current_picture_ptr - > data ;
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}
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mpeg_motion ( s , dest_y , dest_cb , dest_cr ,
0 , 0 , s - > field_select [ dir ] [ 0 ] ,
ref_picture , pix_op ,
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s - > mv [ dir ] [ 0 ] [ 0 ] , s - > mv [ dir ] [ 0 ] [ 1 ] , 16 ) ;
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}
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break ;
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case MV_TYPE_16X8 :
for ( i = 0 ; i < 2 ; i + + ) {
uint8_t * * ref2picture ;
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if ( s - > picture_structure = = s - > field_select [ dir ] [ i ] + 1 | | s - > pict_type = = B_TYPE | | s - > first_field ) {
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ref2picture = ref_picture ;
} else {
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ref2picture = s - > current_picture_ptr - > data ;
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}
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mpeg_motion ( s , dest_y , dest_cb , dest_cr ,
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0 , 0 , s - > field_select [ dir ] [ i ] ,
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ref2picture , pix_op ,
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s - > mv [ dir ] [ i ] [ 0 ] , s - > mv [ dir ] [ i ] [ 1 ] + 16 * i , 8 ) ;
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dest_y + = 16 * s - > linesize ;
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dest_cb + = ( 16 > > s - > chroma_y_shift ) * s - > uvlinesize ;
dest_cr + = ( 16 > > s - > chroma_y_shift ) * s - > uvlinesize ;
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}
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break ;
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case MV_TYPE_DMV :
if ( s - > picture_structure = = PICT_FRAME ) {
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for ( i = 0 ; i < 2 ; i + + ) {
int j ;
for ( j = 0 ; j < 2 ; j + + ) {
mpeg_motion ( s , dest_y , dest_cb , dest_cr ,
1 , j , j ^ i ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 2 * i + j ] [ 0 ] , s - > mv [ dir ] [ 2 * i + j ] [ 1 ] , 8 ) ;
}
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pix_op = s - > dsp . avg_pixels_tab ;
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}
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} else {
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for ( i = 0 ; i < 2 ; i + + ) {
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mpeg_motion ( s , dest_y , dest_cb , dest_cr ,
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0 , 0 , s - > picture_structure ! = i + 1 ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 2 * i ] [ 0 ] , s - > mv [ dir ] [ 2 * i ] [ 1 ] , 16 ) ;
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// after put we make avg of the same block
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pix_op = s - > dsp . avg_pixels_tab ;
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//opposite parity is always in the same frame if this is second field
if ( ! s - > first_field ) {
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ref_picture = s - > current_picture_ptr - > data ;
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}
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}
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}
break ;
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default : assert ( 0 ) ;
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}
}
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/**
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* motion compensation of a single macroblock
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* @ param s context
* @ param dest_y luma destination pointer
* @ param dest_cb chroma cb / u destination pointer
* @ param dest_cr chroma cr / v destination pointer
* @ param dir direction ( 0 - > forward , 1 - > backward )
* @ param ref_picture array [ 3 ] of pointers to the 3 planes of the reference picture
* @ param pic_op halfpel motion compensation function ( average or put normally )
* the motion vectors are taken from s - > mv and the MV type from s - > mv_type
*/
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static inline void MPV_motion_lowres ( MpegEncContext * s ,
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uint8_t * dest_y , uint8_t * dest_cb , uint8_t * dest_cr ,
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int dir , uint8_t * * ref_picture ,
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h264_chroma_mc_func * pix_op )
{
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int mx , my ;
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int mb_x , mb_y , i ;
const int lowres = s - > avctx - > lowres ;
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const int block_s = 8 > > lowres ;
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mb_x = s - > mb_x ;
mb_y = s - > mb_y ;
switch ( s - > mv_type ) {
case MV_TYPE_16X16 :
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mpeg_motion_lowres ( s , dest_y , dest_cb , dest_cr ,
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0 , 0 , 0 ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 0 ] [ 0 ] , s - > mv [ dir ] [ 0 ] [ 1 ] , 2 * block_s ) ;
break ;
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case MV_TYPE_8X8 :
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mx = 0 ;
my = 0 ;
for ( i = 0 ; i < 4 ; i + + ) {
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hpel_motion_lowres ( s , dest_y + ( ( i & 1 ) + ( i > > 1 ) * s - > linesize ) * block_s ,
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ref_picture [ 0 ] , 0 , 0 ,
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( 2 * mb_x + ( i & 1 ) ) * block_s , ( 2 * mb_y + ( i > > 1 ) ) * block_s ,
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s - > width , s - > height , s - > linesize ,
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s - > h_edge_pos > > lowres , s - > v_edge_pos > > lowres ,
block_s , block_s , pix_op ,
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s - > mv [ dir ] [ i ] [ 0 ] , s - > mv [ dir ] [ i ] [ 1 ] ) ;
mx + = s - > mv [ dir ] [ i ] [ 0 ] ;
my + = s - > mv [ dir ] [ i ] [ 1 ] ;
}
if ( ! ( s - > flags & CODEC_FLAG_GRAY ) )
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chroma_4mv_motion_lowres ( s , dest_cb , dest_cr , ref_picture , pix_op , mx , my ) ;
break ;
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case MV_TYPE_FIELD :
if ( s - > picture_structure = = PICT_FRAME ) {
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/* top field */
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mpeg_motion_lowres ( s , dest_y , dest_cb , dest_cr ,
1 , 0 , s - > field_select [ dir ] [ 0 ] ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 0 ] [ 0 ] , s - > mv [ dir ] [ 0 ] [ 1 ] , block_s ) ;
/* bottom field */
mpeg_motion_lowres ( s , dest_y , dest_cb , dest_cr ,
1 , 1 , s - > field_select [ dir ] [ 1 ] ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 1 ] [ 0 ] , s - > mv [ dir ] [ 1 ] [ 1 ] , block_s ) ;
} else {
if ( s - > picture_structure ! = s - > field_select [ dir ] [ 0 ] + 1 & & s - > pict_type ! = B_TYPE & & ! s - > first_field ) {
ref_picture = s - > current_picture_ptr - > data ;
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}
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mpeg_motion_lowres ( s , dest_y , dest_cb , dest_cr ,
0 , 0 , s - > field_select [ dir ] [ 0 ] ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 0 ] [ 0 ] , s - > mv [ dir ] [ 0 ] [ 1 ] , 2 * block_s ) ;
}
break ;
case MV_TYPE_16X8 :
for ( i = 0 ; i < 2 ; i + + ) {
uint8_t * * ref2picture ;
if ( s - > picture_structure = = s - > field_select [ dir ] [ i ] + 1 | | s - > pict_type = = B_TYPE | | s - > first_field ) {
ref2picture = ref_picture ;
} else {
ref2picture = s - > current_picture_ptr - > data ;
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}
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2005-12-17 19:14:38 +01:00
mpeg_motion_lowres ( s , dest_y , dest_cb , dest_cr ,
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0 , 0 , s - > field_select [ dir ] [ i ] ,
ref2picture , pix_op ,
s - > mv [ dir ] [ i ] [ 0 ] , s - > mv [ dir ] [ i ] [ 1 ] + 2 * block_s * i , block_s ) ;
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dest_y + = 2 * block_s * s - > linesize ;
dest_cb + = ( 2 * block_s > > s - > chroma_y_shift ) * s - > uvlinesize ;
dest_cr + = ( 2 * block_s > > s - > chroma_y_shift ) * s - > uvlinesize ;
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}
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break ;
case MV_TYPE_DMV :
if ( s - > picture_structure = = PICT_FRAME ) {
for ( i = 0 ; i < 2 ; i + + ) {
int j ;
for ( j = 0 ; j < 2 ; j + + ) {
mpeg_motion_lowres ( s , dest_y , dest_cb , dest_cr ,
1 , j , j ^ i ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 2 * i + j ] [ 0 ] , s - > mv [ dir ] [ 2 * i + j ] [ 1 ] , block_s ) ;
}
pix_op = s - > dsp . avg_h264_chroma_pixels_tab ;
}
} else {
for ( i = 0 ; i < 2 ; i + + ) {
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mpeg_motion_lowres ( s , dest_y , dest_cb , dest_cr ,
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0 , 0 , s - > picture_structure ! = i + 1 ,
ref_picture , pix_op ,
s - > mv [ dir ] [ 2 * i ] [ 0 ] , s - > mv [ dir ] [ 2 * i ] [ 1 ] , 2 * block_s ) ;
// after put we make avg of the same block
pix_op = s - > dsp . avg_h264_chroma_pixels_tab ;
//opposite parity is always in the same frame if this is second field
if ( ! s - > first_field ) {
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ref_picture = s - > current_picture_ptr - > data ;
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}
}
}
break ;
default : assert ( 0 ) ;
}
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}
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/* put block[] to dest[] */
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static inline void put_dct ( MpegEncContext * s ,
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DCTELEM * block , int i , uint8_t * dest , int line_size , int qscale )
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{
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s - > dct_unquantize_intra ( s , block , i , qscale ) ;
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s - > dsp . idct_put ( dest , line_size , block ) ;
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}
/* add block[] to dest[] */
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static inline void add_dct ( MpegEncContext * s ,
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DCTELEM * block , int i , uint8_t * dest , int line_size )
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{
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if ( s - > block_last_index [ i ] > = 0 ) {
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s - > dsp . idct_add ( dest , line_size , block ) ;
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}
}
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2005-12-17 19:14:38 +01:00
static inline void add_dequant_dct ( MpegEncContext * s ,
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DCTELEM * block , int i , uint8_t * dest , int line_size , int qscale )
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{
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if ( s - > block_last_index [ i ] > = 0 ) {
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s - > dct_unquantize_inter ( s , block , i , qscale ) ;
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s - > dsp . idct_add ( dest , line_size , block ) ;
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}
}
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/**
* cleans dc , ac , coded_block for the current non intra MB
*/
void ff_clean_intra_table_entries ( MpegEncContext * s )
{
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int wrap = s - > b8_stride ;
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int xy = s - > block_index [ 0 ] ;
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s - > dc_val [ 0 ] [ xy ] =
s - > dc_val [ 0 ] [ xy + 1 ] =
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s - > dc_val [ 0 ] [ xy + wrap ] =
s - > dc_val [ 0 ] [ xy + 1 + wrap ] = 1024 ;
/* ac pred */
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memset ( s - > ac_val [ 0 ] [ xy ] , 0 , 32 * sizeof ( int16_t ) ) ;
memset ( s - > ac_val [ 0 ] [ xy + wrap ] , 0 , 32 * sizeof ( int16_t ) ) ;
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if ( s - > msmpeg4_version > = 3 ) {
s - > coded_block [ xy ] =
s - > coded_block [ xy + 1 ] =
s - > coded_block [ xy + wrap ] =
s - > coded_block [ xy + 1 + wrap ] = 0 ;
}
/* chroma */
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wrap = s - > mb_stride ;
xy = s - > mb_x + s - > mb_y * wrap ;
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s - > dc_val [ 1 ] [ xy ] =
s - > dc_val [ 2 ] [ xy ] = 1024 ;
/* ac pred */
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memset ( s - > ac_val [ 1 ] [ xy ] , 0 , 16 * sizeof ( int16_t ) ) ;
memset ( s - > ac_val [ 2 ] [ xy ] , 0 , 16 * sizeof ( int16_t ) ) ;
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2004-04-16 03:01:45 +02:00
s - > mbintra_table [ xy ] = 0 ;
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}
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/* generic function called after a macroblock has been parsed by the
decoder or after it has been encoded by the encoder .
Important variables used :
s - > mb_intra : true if intra macroblock
s - > mv_dir : motion vector direction
s - > mv_type : motion vector type
s - > mv : motion vector
s - > interlaced_dct : true if interlaced dct used ( mpeg2 )
*/
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static always_inline void MPV_decode_mb_internal ( MpegEncContext * s , DCTELEM block [ 12 ] [ 64 ] , int lowres_flag )
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{
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int mb_x , mb_y ;
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const int mb_xy = s - > mb_y * s - > mb_stride + s - > mb_x ;
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# ifdef HAVE_XVMC
if ( s - > avctx - > xvmc_acceleration ) {
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XVMC_decode_mb ( s ) ; //xvmc uses pblocks
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return ;
}
# endif
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mb_x = s - > mb_x ;
mb_y = s - > mb_y ;
2004-02-25 19:29:17 +01:00
if ( s - > avctx - > debug & FF_DEBUG_DCT_COEFF ) {
/* save DCT coefficients */
int i , j ;
DCTELEM * dct = & s - > current_picture . dct_coeff [ mb_xy * 64 * 6 ] ;
for ( i = 0 ; i < 6 ; i + + )
for ( j = 0 ; j < 64 ; j + + )
* dct + + = block [ i ] [ s - > dsp . idct_permutation [ j ] ] ;
}
2002-12-04 11:04:03 +01:00
s - > current_picture . qscale_table [ mb_xy ] = s - > qscale ;
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2001-07-22 16:18:56 +02:00
/* update DC predictors for P macroblocks */
if ( ! s - > mb_intra ) {
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if ( s - > h263_pred | | s - > h263_aic ) {
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if ( s - > mbintra_table [ mb_xy ] )
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ff_clean_intra_table_entries ( s ) ;
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} else {
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s - > last_dc [ 0 ] =
s - > last_dc [ 1 ] =
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s - > last_dc [ 2 ] = 128 < < s - > intra_dc_precision ;
}
}
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else if ( s - > h263_pred | | s - > h263_aic )
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s - > mbintra_table [ mb_xy ] = 1 ;
2002-01-10 01:53:21 +01:00
2002-12-04 22:13:02 +01:00
if ( ( s - > flags & CODEC_FLAG_PSNR ) | | ! ( s - > encoding & & ( s - > intra_only | | s - > pict_type = = B_TYPE ) ) ) { //FIXME precalc
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uint8_t * dest_y , * dest_cb , * dest_cr ;
2002-06-06 01:43:56 +02:00
int dct_linesize , dct_offset ;
2002-09-11 14:39:53 +02:00
op_pixels_func ( * op_pix ) [ 4 ] ;
qpel_mc_func ( * op_qpix ) [ 16 ] ;
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const int linesize = s - > current_picture . linesize [ 0 ] ; //not s->linesize as this would be wrong for field pics
2003-03-16 21:22:22 +01:00
const int uvlinesize = s - > current_picture . linesize [ 1 ] ;
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const int readable = s - > pict_type ! = B_TYPE | | s - > encoding | | s - > avctx - > draw_horiz_band | | lowres_flag ;
const int block_size = lowres_flag ? 8 > > s - > avctx - > lowres : 8 ;
2001-07-24 22:43:41 +02:00
2002-12-04 11:04:03 +01:00
/* avoid copy if macroblock skipped in last frame too */
/* skip only during decoding as we might trash the buffers during encoding a bit */
if ( ! s - > encoding ) {
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uint8_t * mbskip_ptr = & s - > mbskip_table [ mb_xy ] ;
2002-12-04 11:04:03 +01:00
const int age = s - > current_picture . age ;
2002-07-15 16:15:10 +02:00
2002-12-04 11:04:03 +01:00
assert ( age ) ;
2005-04-24 19:21:11 +02:00
if ( s - > mb_skipped ) {
s - > mb_skipped = 0 ;
2002-12-04 11:04:03 +01:00
assert ( s - > pict_type ! = I_TYPE ) ;
2005-12-17 19:14:38 +01:00
2005-04-24 19:21:11 +02:00
( * mbskip_ptr ) + + ; /* indicate that this time we skipped it */
2002-07-15 16:15:10 +02:00
if ( * mbskip_ptr > 99 ) * mbskip_ptr = 99 ;
2002-12-04 11:04:03 +01:00
/* if previous was skipped too, then nothing to do ! */
2003-01-20 21:37:24 +01:00
if ( * mbskip_ptr > = age & & s - > current_picture . reference ) {
return ;
2002-12-04 11:04:03 +01:00
}
2003-01-20 21:37:24 +01:00
} else if ( ! s - > current_picture . reference ) {
( * mbskip_ptr ) + + ; /* increase counter so the age can be compared cleanly */
if ( * mbskip_ptr > 99 ) * mbskip_ptr = 99 ;
} else {
2001-07-24 22:43:41 +02:00
* mbskip_ptr = 0 ; /* not skipped */
}
2002-10-02 19:07:39 +02:00
}
2005-12-17 19:14:38 +01:00
2004-06-11 09:59:12 +02:00
dct_linesize = linesize < < s - > interlaced_dct ;
2004-09-26 01:18:58 +02:00
dct_offset = ( s - > interlaced_dct ) ? linesize : linesize * block_size ;
2005-12-17 19:14:38 +01:00
2003-11-27 14:38:00 +01:00
if ( readable ) {
dest_y = s - > dest [ 0 ] ;
dest_cb = s - > dest [ 1 ] ;
dest_cr = s - > dest [ 2 ] ;
} else {
2004-02-13 18:54:10 +01:00
dest_y = s - > b_scratchpad ;
2004-02-26 03:48:07 +01:00
dest_cb = s - > b_scratchpad + 16 * linesize ;
2004-06-11 09:59:12 +02:00
dest_cr = s - > b_scratchpad + 32 * linesize ;
2003-11-27 14:38:00 +01:00
}
2004-09-26 01:18:58 +02:00
2001-07-22 16:18:56 +02:00
if ( ! s - > mb_intra ) {
/* motion handling */
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/* decoding or more than one mb_type (MC was already done otherwise) */
2003-07-29 04:09:12 +02:00
if ( ! s - > encoding ) {
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if ( lowres_flag ) {
h264_chroma_mc_func * op_pix = s - > dsp . put_h264_chroma_pixels_tab ;
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2004-09-26 01:18:58 +02:00
if ( s - > mv_dir & MV_DIR_FORWARD ) {
MPV_motion_lowres ( s , dest_y , dest_cb , dest_cr , 0 , s - > last_picture . data , op_pix ) ;
op_pix = s - > dsp . avg_h264_chroma_pixels_tab ;
}
if ( s - > mv_dir & MV_DIR_BACKWARD ) {
MPV_motion_lowres ( s , dest_y , dest_cb , dest_cr , 1 , s - > next_picture . data , op_pix ) ;
}
} else {
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if ( ( ! s - > no_rounding ) | | s - > pict_type = = B_TYPE ) {
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op_pix = s - > dsp . put_pixels_tab ;
op_qpix = s - > dsp . put_qpel_pixels_tab ;
} else {
op_pix = s - > dsp . put_no_rnd_pixels_tab ;
op_qpix = s - > dsp . put_no_rnd_qpel_pixels_tab ;
}
if ( s - > mv_dir & MV_DIR_FORWARD ) {
MPV_motion ( s , dest_y , dest_cb , dest_cr , 0 , s - > last_picture . data , op_pix , op_qpix ) ;
op_pix = s - > dsp . avg_pixels_tab ;
op_qpix = s - > dsp . avg_qpel_pixels_tab ;
}
if ( s - > mv_dir & MV_DIR_BACKWARD ) {
MPV_motion ( s , dest_y , dest_cb , dest_cr , 1 , s - > next_picture . data , op_pix , op_qpix ) ;
}
2002-04-17 06:32:12 +02:00
}
2001-07-22 16:18:56 +02:00
}
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/* skip dequant / idct if we are really late ;) */
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if ( s - > hurry_up > 1 ) goto skip_idct ;
if ( s - > avctx - > skip_idct ) {
if ( ( s - > avctx - > skip_idct > = AVDISCARD_NONREF & & s - > pict_type = = B_TYPE )
| | ( s - > avctx - > skip_idct > = AVDISCARD_NONKEY & & s - > pict_type ! = I_TYPE )
| | s - > avctx - > skip_idct > = AVDISCARD_ALL )
goto skip_idct ;
}
2002-06-06 01:43:56 +02:00
2001-07-22 16:18:56 +02:00
/* add dct residue */
2003-08-26 00:47:32 +02:00
if ( s - > encoding | | ! ( s - > h263_msmpeg4 | | s - > codec_id = = CODEC_ID_MPEG1VIDEO | | s - > codec_id = = CODEC_ID_MPEG2VIDEO
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| | ( s - > codec_id = = CODEC_ID_MPEG4 & & ! s - > mpeg_quant ) ) ) {
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add_dequant_dct ( s , block [ 0 ] , 0 , dest_y , dct_linesize , s - > qscale ) ;
add_dequant_dct ( s , block [ 1 ] , 1 , dest_y + block_size , dct_linesize , s - > qscale ) ;
add_dequant_dct ( s , block [ 2 ] , 2 , dest_y + dct_offset , dct_linesize , s - > qscale ) ;
add_dequant_dct ( s , block [ 3 ] , 3 , dest_y + dct_offset + block_size , dct_linesize , s - > qscale ) ;
2002-06-06 01:43:56 +02:00
2002-06-09 15:35:56 +02:00
if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
2006-05-16 17:19:54 +02:00
if ( s - > chroma_y_shift ) {
add_dequant_dct ( s , block [ 4 ] , 4 , dest_cb , uvlinesize , s - > chroma_qscale ) ;
add_dequant_dct ( s , block [ 5 ] , 5 , dest_cr , uvlinesize , s - > chroma_qscale ) ;
} else {
dct_linesize > > = 1 ;
dct_offset > > = 1 ;
add_dequant_dct ( s , block [ 4 ] , 4 , dest_cb , dct_linesize , s - > chroma_qscale ) ;
add_dequant_dct ( s , block [ 5 ] , 5 , dest_cr , dct_linesize , s - > chroma_qscale ) ;
add_dequant_dct ( s , block [ 6 ] , 6 , dest_cb + dct_offset , dct_linesize , s - > chroma_qscale ) ;
add_dequant_dct ( s , block [ 7 ] , 7 , dest_cr + dct_offset , dct_linesize , s - > chroma_qscale ) ;
}
2002-06-09 15:35:56 +02:00
}
2002-12-28 00:51:46 +01:00
} else if ( s - > codec_id ! = CODEC_ID_WMV2 ) {
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add_dct ( s , block [ 0 ] , 0 , dest_y , dct_linesize ) ;
add_dct ( s , block [ 1 ] , 1 , dest_y + block_size , dct_linesize ) ;
add_dct ( s , block [ 2 ] , 2 , dest_y + dct_offset , dct_linesize ) ;
add_dct ( s , block [ 3 ] , 3 , dest_y + dct_offset + block_size , dct_linesize ) ;
2001-07-22 16:18:56 +02:00
2002-06-09 15:35:56 +02:00
if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
2004-06-11 09:59:12 +02:00
if ( s - > chroma_y_shift ) { //Chroma420
add_dct ( s , block [ 4 ] , 4 , dest_cb , uvlinesize ) ;
add_dct ( s , block [ 5 ] , 5 , dest_cr , uvlinesize ) ;
} else {
//chroma422
dct_linesize = uvlinesize < < s - > interlaced_dct ;
dct_offset = ( s - > interlaced_dct ) ? uvlinesize : uvlinesize * 8 ;
add_dct ( s , block [ 4 ] , 4 , dest_cb , dct_linesize ) ;
add_dct ( s , block [ 5 ] , 5 , dest_cr , dct_linesize ) ;
add_dct ( s , block [ 6 ] , 6 , dest_cb + dct_offset , dct_linesize ) ;
add_dct ( s , block [ 7 ] , 7 , dest_cr + dct_offset , dct_linesize ) ;
if ( ! s - > chroma_x_shift ) { //Chroma444
add_dct ( s , block [ 8 ] , 8 , dest_cb + 8 , dct_linesize ) ;
add_dct ( s , block [ 9 ] , 9 , dest_cr + 8 , dct_linesize ) ;
add_dct ( s , block [ 10 ] , 10 , dest_cb + 8 + dct_offset , dct_linesize ) ;
add_dct ( s , block [ 11 ] , 11 , dest_cr + 8 + dct_offset , dct_linesize ) ;
}
}
} //fi gray
}
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else {
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ff_wmv2_add_mb ( s , block , dest_y , dest_cb , dest_cr ) ;
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}
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} else {
/* dct only in intra block */
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if ( s - > encoding | | ! ( s - > codec_id = = CODEC_ID_MPEG1VIDEO | | s - > codec_id = = CODEC_ID_MPEG2VIDEO ) ) {
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put_dct ( s , block [ 0 ] , 0 , dest_y , dct_linesize , s - > qscale ) ;
put_dct ( s , block [ 1 ] , 1 , dest_y + block_size , dct_linesize , s - > qscale ) ;
put_dct ( s , block [ 2 ] , 2 , dest_y + dct_offset , dct_linesize , s - > qscale ) ;
put_dct ( s , block [ 3 ] , 3 , dest_y + dct_offset + block_size , dct_linesize , s - > qscale ) ;
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if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
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if ( s - > chroma_y_shift ) {
put_dct ( s , block [ 4 ] , 4 , dest_cb , uvlinesize , s - > chroma_qscale ) ;
put_dct ( s , block [ 5 ] , 5 , dest_cr , uvlinesize , s - > chroma_qscale ) ;
} else {
dct_offset > > = 1 ;
dct_linesize > > = 1 ;
put_dct ( s , block [ 4 ] , 4 , dest_cb , dct_linesize , s - > chroma_qscale ) ;
put_dct ( s , block [ 5 ] , 5 , dest_cr , dct_linesize , s - > chroma_qscale ) ;
put_dct ( s , block [ 6 ] , 6 , dest_cb + dct_offset , dct_linesize , s - > chroma_qscale ) ;
put_dct ( s , block [ 7 ] , 7 , dest_cr + dct_offset , dct_linesize , s - > chroma_qscale ) ;
}
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}
} else {
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s - > dsp . idct_put ( dest_y , dct_linesize , block [ 0 ] ) ;
s - > dsp . idct_put ( dest_y + block_size , dct_linesize , block [ 1 ] ) ;
s - > dsp . idct_put ( dest_y + dct_offset , dct_linesize , block [ 2 ] ) ;
s - > dsp . idct_put ( dest_y + dct_offset + block_size , dct_linesize , block [ 3 ] ) ;
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if ( ! ( s - > flags & CODEC_FLAG_GRAY ) ) {
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if ( s - > chroma_y_shift ) {
s - > dsp . idct_put ( dest_cb , uvlinesize , block [ 4 ] ) ;
s - > dsp . idct_put ( dest_cr , uvlinesize , block [ 5 ] ) ;
} else {
dct_linesize = uvlinesize < < s - > interlaced_dct ;
dct_offset = ( s - > interlaced_dct ) ? uvlinesize : uvlinesize * 8 ;
s - > dsp . idct_put ( dest_cb , dct_linesize , block [ 4 ] ) ;
s - > dsp . idct_put ( dest_cr , dct_linesize , block [ 5 ] ) ;
s - > dsp . idct_put ( dest_cb + dct_offset , dct_linesize , block [ 6 ] ) ;
s - > dsp . idct_put ( dest_cr + dct_offset , dct_linesize , block [ 7 ] ) ;
if ( ! s - > chroma_x_shift ) { //Chroma444
s - > dsp . idct_put ( dest_cb + 8 , dct_linesize , block [ 8 ] ) ;
s - > dsp . idct_put ( dest_cr + 8 , dct_linesize , block [ 9 ] ) ;
s - > dsp . idct_put ( dest_cb + 8 + dct_offset , dct_linesize , block [ 10 ] ) ;
s - > dsp . idct_put ( dest_cr + 8 + dct_offset , dct_linesize , block [ 11 ] ) ;
}
}
} //gray
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}
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}
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skip_idct :
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if ( ! readable ) {
s - > dsp . put_pixels_tab [ 0 ] [ 0 ] ( s - > dest [ 0 ] , dest_y , linesize , 16 ) ;
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s - > dsp . put_pixels_tab [ s - > chroma_x_shift ] [ 0 ] ( s - > dest [ 1 ] , dest_cb , uvlinesize , 16 > > s - > chroma_y_shift ) ;
s - > dsp . put_pixels_tab [ s - > chroma_x_shift ] [ 0 ] ( s - > dest [ 2 ] , dest_cr , uvlinesize , 16 > > s - > chroma_y_shift ) ;
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}
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}
}
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void MPV_decode_mb ( MpegEncContext * s , DCTELEM block [ 12 ] [ 64 ] ) {
if ( s - > avctx - > lowres ) MPV_decode_mb_internal ( s , block , 1 ) ;
else MPV_decode_mb_internal ( s , block , 0 ) ;
}
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# ifdef CONFIG_ENCODERS
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static inline void dct_single_coeff_elimination ( MpegEncContext * s , int n , int threshold )
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{
static const char tab [ 64 ] =
{ 3 , 2 , 2 , 1 , 1 , 1 , 1 , 1 ,
1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 ,
1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 } ;
int score = 0 ;
int run = 0 ;
int i ;
DCTELEM * block = s - > block [ n ] ;
const int last_index = s - > block_last_index [ n ] ;
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int skip_dc ;
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if ( threshold < 0 ) {
skip_dc = 0 ;
threshold = - threshold ;
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} else
skip_dc = 1 ;
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/* are all which we could set to zero are allready zero? */
if ( last_index < = skip_dc - 1 ) return ;
for ( i = 0 ; i < = last_index ; i + + ) {
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const int j = s - > intra_scantable . permutated [ i ] ;
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const int level = ABS ( block [ j ] ) ;
if ( level = = 1 ) {
if ( skip_dc & & i = = 0 ) continue ;
score + = tab [ run ] ;
run = 0 ;
} else if ( level > 1 ) {
return ;
} else {
run + + ;
}
}
if ( score > = threshold ) return ;
for ( i = skip_dc ; i < = last_index ; i + + ) {
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const int j = s - > intra_scantable . permutated [ i ] ;
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block [ j ] = 0 ;
}
if ( block [ 0 ] ) s - > block_last_index [ n ] = 0 ;
else s - > block_last_index [ n ] = - 1 ;
}
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static inline void clip_coeffs ( MpegEncContext * s , DCTELEM * block , int last_index )
{
int i ;
const int maxlevel = s - > max_qcoeff ;
const int minlevel = s - > min_qcoeff ;
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int overflow = 0 ;
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if ( s - > mb_intra ) {
i = 1 ; //skip clipping of intra dc
} else
i = 0 ;
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for ( ; i < = last_index ; i + + ) {
const int j = s - > intra_scantable . permutated [ i ] ;
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int level = block [ j ] ;
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if ( level > maxlevel ) {
level = maxlevel ;
overflow + + ;
} else if ( level < minlevel ) {
level = minlevel ;
overflow + + ;
}
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block [ j ] = level ;
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}
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if ( overflow & & s - > avctx - > mb_decision = = FF_MB_DECISION_SIMPLE )
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av_log ( s - > avctx , AV_LOG_INFO , " warning, clipping %d dct coefficients to %d..%d \n " , overflow , minlevel , maxlevel ) ;
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}
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# endif //CONFIG_ENCODERS
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/**
*
* @ param h is the normal height , this will be reduced automatically if needed for the last row
*/
void ff_draw_horiz_band ( MpegEncContext * s , int y , int h ) {
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if ( s - > avctx - > draw_horiz_band ) {
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AVFrame * src ;
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int offset [ 4 ] ;
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if ( s - > picture_structure ! = PICT_FRAME ) {
h < < = 1 ;
y < < = 1 ;
if ( s - > first_field & & ! ( s - > avctx - > slice_flags & SLICE_FLAG_ALLOW_FIELD ) ) return ;
}
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h = FFMIN ( h , s - > avctx - > height - y ) ;
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if ( s - > pict_type = = B_TYPE | | s - > low_delay | | ( s - > avctx - > slice_flags & SLICE_FLAG_CODED_ORDER ) )
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src = ( AVFrame * ) s - > current_picture_ptr ;
else if ( s - > last_picture_ptr )
src = ( AVFrame * ) s - > last_picture_ptr ;
else
return ;
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if ( s - > pict_type = = B_TYPE & & s - > picture_structure = = PICT_FRAME & & s - > out_format ! = FMT_H264 ) {
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offset [ 0 ] =
offset [ 1 ] =
offset [ 2 ] =
offset [ 3 ] = 0 ;
} else {
offset [ 0 ] = y * s - > linesize ; ;
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offset [ 1 ] =
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offset [ 2 ] = ( y > > s - > chroma_y_shift ) * s - > uvlinesize ;
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offset [ 3 ] = 0 ;
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}
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emms_c ( ) ;
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s - > avctx - > draw_horiz_band ( s - > avctx , src , offset ,
y , s - > picture_structure , h ) ;
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}
}
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void ff_init_block_index ( MpegEncContext * s ) { //FIXME maybe rename
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const int linesize = s - > current_picture . linesize [ 0 ] ; //not s->linesize as this would be wrong for field pics
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const int uvlinesize = s - > current_picture . linesize [ 1 ] ;
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const int mb_size = 4 - s - > avctx - > lowres ;
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s - > block_index [ 0 ] = s - > b8_stride * ( s - > mb_y * 2 ) - 2 + s - > mb_x * 2 ;
s - > block_index [ 1 ] = s - > b8_stride * ( s - > mb_y * 2 ) - 1 + s - > mb_x * 2 ;
s - > block_index [ 2 ] = s - > b8_stride * ( s - > mb_y * 2 + 1 ) - 2 + s - > mb_x * 2 ;
s - > block_index [ 3 ] = s - > b8_stride * ( s - > mb_y * 2 + 1 ) - 1 + s - > mb_x * 2 ;
s - > block_index [ 4 ] = s - > mb_stride * ( s - > mb_y + 1 ) + s - > b8_stride * s - > mb_height * 2 + s - > mb_x - 1 ;
s - > block_index [ 5 ] = s - > mb_stride * ( s - > mb_y + s - > mb_height + 2 ) + s - > b8_stride * s - > mb_height * 2 + s - > mb_x - 1 ;
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//block_index is not used by mpeg2, so it is not affected by chroma_format
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s - > dest [ 0 ] = s - > current_picture . data [ 0 ] + ( ( s - > mb_x - 1 ) < < mb_size ) ;
s - > dest [ 1 ] = s - > current_picture . data [ 1 ] + ( ( s - > mb_x - 1 ) < < ( mb_size - s - > chroma_x_shift ) ) ;
s - > dest [ 2 ] = s - > current_picture . data [ 2 ] + ( ( s - > mb_x - 1 ) < < ( mb_size - s - > chroma_x_shift ) ) ;
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if ( ! ( s - > pict_type = = B_TYPE & & s - > avctx - > draw_horiz_band & & s - > picture_structure = = PICT_FRAME ) )
{
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s - > dest [ 0 ] + = s - > mb_y * linesize < < mb_size ;
s - > dest [ 1 ] + = s - > mb_y * uvlinesize < < ( mb_size - s - > chroma_y_shift ) ;
s - > dest [ 2 ] + = s - > mb_y * uvlinesize < < ( mb_size - s - > chroma_y_shift ) ;
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}
2003-07-29 04:09:12 +02:00
}
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# ifdef CONFIG_ENCODERS
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static void get_vissual_weight ( int16_t * weight , uint8_t * ptr , int stride ) {
int x , y ;
//FIXME optimize
for ( y = 0 ; y < 8 ; y + + ) {
for ( x = 0 ; x < 8 ; x + + ) {
int x2 , y2 ;
int sum = 0 ;
int sqr = 0 ;
int count = 0 ;
for ( y2 = FFMAX ( y - 1 , 0 ) ; y2 < FFMIN ( 8 , y + 2 ) ; y2 + + ) {
for ( x2 = FFMAX ( x - 1 , 0 ) ; x2 < FFMIN ( 8 , x + 2 ) ; x2 + + ) {
int v = ptr [ x2 + y2 * stride ] ;
sum + = v ;
sqr + = v * v ;
count + + ;
}
}
weight [ x + 8 * y ] = ( 36 * ff_sqrt ( count * sqr - sum * sum ) ) / count ;
}
}
}
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static always_inline void encode_mb_internal ( MpegEncContext * s , int motion_x , int motion_y , int mb_block_height , int mb_block_count )
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{
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int16_t weight [ 8 ] [ 64 ] ;
DCTELEM orig [ 8 ] [ 64 ] ;
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const int mb_x = s - > mb_x ;
const int mb_y = s - > mb_y ;
int i ;
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int skip_dct [ 8 ] ;
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int dct_offset = s - > linesize * 8 ; //default for progressive frames
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uint8_t * ptr_y , * ptr_cb , * ptr_cr ;
int wrap_y , wrap_c ;
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2006-05-16 17:19:54 +02:00
for ( i = 0 ; i < mb_block_count ; i + + ) skip_dct [ i ] = 0 ;
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2002-09-23 16:56:11 +02:00
if ( s - > adaptive_quant ) {
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const int last_qp = s - > qscale ;
const int mb_xy = mb_x + mb_y * s - > mb_stride ;
2002-09-26 02:22:25 +02:00
2003-10-07 13:32:40 +02:00
s - > lambda = s - > lambda_table [ mb_xy ] ;
update_qscale ( s ) ;
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2003-11-12 13:25:44 +01:00
if ( ! ( s - > flags & CODEC_FLAG_QP_RD ) ) {
s - > dquant = s - > qscale - last_qp ;
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if ( s - > out_format = = FMT_H263 ) {
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s - > dquant = clip ( s - > dquant , - 2 , 2 ) ; //FIXME RD
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if ( s - > codec_id = = CODEC_ID_MPEG4 ) {
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if ( ! s - > mb_intra ) {
if ( s - > pict_type = = B_TYPE ) {
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if ( s - > dquant & 1 )
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s - > dquant = ( s - > dquant / 2 ) * 2 ;
if ( s - > mv_dir & MV_DIRECT )
s - > dquant = 0 ;
}
if ( s - > mv_type = = MV_TYPE_8X8 )
s - > dquant = 0 ;
}
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}
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}
}
2003-12-03 17:47:17 +01:00
ff_set_qscale ( s , last_qp + s - > dquant ) ;
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} else if ( s - > flags & CODEC_FLAG_QP_RD )
ff_set_qscale ( s , s - > qscale + s - > dquant ) ;
2002-03-27 22:25:22 +01:00
2004-02-02 15:59:43 +01:00
wrap_y = s - > linesize ;
wrap_c = s - > uvlinesize ;
ptr_y = s - > new_picture . data [ 0 ] + ( mb_y * 16 * wrap_y ) + mb_x * 16 ;
2006-05-16 17:19:54 +02:00
ptr_cb = s - > new_picture . data [ 1 ] + ( mb_y * mb_block_height * wrap_c ) + mb_x * 8 ;
ptr_cr = s - > new_picture . data [ 2 ] + ( mb_y * mb_block_height * wrap_c ) + mb_x * 8 ;
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if ( mb_x * 16 + 16 > s - > width | | mb_y * 16 + 16 > s - > height ) {
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uint8_t * ebuf = s - > edge_emu_buffer + 32 ;
ff_emulated_edge_mc ( ebuf , ptr_y , wrap_y , 16 , 16 , mb_x * 16 , mb_y * 16 , s - > width , s - > height ) ;
ptr_y = ebuf ;
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ff_emulated_edge_mc ( ebuf + 18 * wrap_y , ptr_cb , wrap_c , 8 , mb_block_height , mb_x * 8 , mb_y * 8 , s - > width > > 1 , s - > height > > 1 ) ;
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ptr_cb = ebuf + 18 * wrap_y ;
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ff_emulated_edge_mc ( ebuf + 18 * wrap_y + 8 , ptr_cr , wrap_c , 8 , mb_block_height , mb_x * 8 , mb_y * 8 , s - > width > > 1 , s - > height > > 1 ) ;
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ptr_cr = ebuf + 18 * wrap_y + 8 ;
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}
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if ( s - > mb_intra ) {
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if ( s - > flags & CODEC_FLAG_INTERLACED_DCT ) {
int progressive_score , interlaced_score ;
2003-12-30 17:07:57 +01:00
2004-01-05 23:57:07 +01:00
s - > interlaced_dct = 0 ;
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progressive_score = s - > dsp . ildct_cmp [ 4 ] ( s , ptr_y , NULL , wrap_y , 8 )
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+ s - > dsp . ildct_cmp [ 4 ] ( s , ptr_y + wrap_y * 8 , NULL , wrap_y , 8 ) - 400 ;
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if ( progressive_score > 0 ) {
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interlaced_score = s - > dsp . ildct_cmp [ 4 ] ( s , ptr_y , NULL , wrap_y * 2 , 8 )
2004-02-02 04:52:58 +01:00
+ s - > dsp . ildct_cmp [ 4 ] ( s , ptr_y + wrap_y , NULL , wrap_y * 2 , 8 ) ;
2004-01-05 23:57:07 +01:00
if ( progressive_score > interlaced_score ) {
s - > interlaced_dct = 1 ;
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2004-01-05 23:57:07 +01:00
dct_offset = wrap_y ;
wrap_y < < = 1 ;
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if ( s - > chroma_format = = CHROMA_422 )
wrap_c < < = 1 ;
2004-01-05 23:57:07 +01:00
}
}
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}
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2005-12-22 02:10:11 +01:00
s - > dsp . get_pixels ( s - > block [ 0 ] , ptr_y , wrap_y ) ;
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s - > dsp . get_pixels ( s - > block [ 1 ] , ptr_y + 8 , wrap_y ) ;
s - > dsp . get_pixels ( s - > block [ 2 ] , ptr_y + dct_offset , wrap_y ) ;
s - > dsp . get_pixels ( s - > block [ 3 ] , ptr_y + dct_offset + 8 , wrap_y ) ;
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2002-06-09 16:04:36 +02:00
if ( s - > flags & CODEC_FLAG_GRAY ) {
skip_dct [ 4 ] = 1 ;
skip_dct [ 5 ] = 1 ;
} else {
2005-12-22 02:10:11 +01:00
s - > dsp . get_pixels ( s - > block [ 4 ] , ptr_cb , wrap_c ) ;
2004-02-02 04:52:58 +01:00
s - > dsp . get_pixels ( s - > block [ 5 ] , ptr_cr , wrap_c ) ;
2006-05-16 17:19:54 +02:00
if ( ! s - > chroma_y_shift ) { /* 422 */
s - > dsp . get_pixels ( s - > block [ 6 ] , ptr_cb + ( dct_offset > > 1 ) , wrap_c ) ;
s - > dsp . get_pixels ( s - > block [ 7 ] , ptr_cr + ( dct_offset > > 1 ) , wrap_c ) ;
}
2004-02-02 04:52:58 +01:00
}
2002-04-17 06:32:12 +02:00
} else {
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op_pixels_func ( * op_pix ) [ 4 ] ;
qpel_mc_func ( * op_qpix ) [ 16 ] ;
2003-02-11 17:35:48 +01:00
uint8_t * dest_y , * dest_cb , * dest_cr ;
2002-04-17 06:32:12 +02:00
2003-07-29 04:09:12 +02:00
dest_y = s - > dest [ 0 ] ;
dest_cb = s - > dest [ 1 ] ;
dest_cr = s - > dest [ 2 ] ;
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if ( ( ! s - > no_rounding ) | | s - > pict_type = = B_TYPE ) {
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op_pix = s - > dsp . put_pixels_tab ;
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op_qpix = s - > dsp . put_qpel_pixels_tab ;
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} else {
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op_pix = s - > dsp . put_no_rnd_pixels_tab ;
op_qpix = s - > dsp . put_no_rnd_qpel_pixels_tab ;
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}
if ( s - > mv_dir & MV_DIR_FORWARD ) {
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MPV_motion ( s , dest_y , dest_cb , dest_cr , 0 , s - > last_picture . data , op_pix , op_qpix ) ;
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op_pix = s - > dsp . avg_pixels_tab ;
op_qpix = s - > dsp . avg_qpel_pixels_tab ;
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}
if ( s - > mv_dir & MV_DIR_BACKWARD ) {
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MPV_motion ( s , dest_y , dest_cb , dest_cr , 1 , s - > next_picture . data , op_pix , op_qpix ) ;
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}
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if ( s - > flags & CODEC_FLAG_INTERLACED_DCT ) {
int progressive_score , interlaced_score ;
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s - > interlaced_dct = 0 ;
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progressive_score = s - > dsp . ildct_cmp [ 0 ] ( s , dest_y , ptr_y , wrap_y , 8 )
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+ s - > dsp . ildct_cmp [ 0 ] ( s , dest_y + wrap_y * 8 , ptr_y + wrap_y * 8 , wrap_y , 8 ) - 400 ;
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2004-01-05 23:57:07 +01:00
if ( s - > avctx - > ildct_cmp = = FF_CMP_VSSE ) progressive_score - = 400 ;
if ( progressive_score > 0 ) {
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interlaced_score = s - > dsp . ildct_cmp [ 0 ] ( s , dest_y , ptr_y , wrap_y * 2 , 8 )
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+ s - > dsp . ildct_cmp [ 0 ] ( s , dest_y + wrap_y , ptr_y + wrap_y , wrap_y * 2 , 8 ) ;
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if ( progressive_score > interlaced_score ) {
s - > interlaced_dct = 1 ;
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dct_offset = wrap_y ;
wrap_y < < = 1 ;
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if ( s - > chroma_format = = CHROMA_422 )
wrap_c < < = 1 ;
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}
}
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}
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s - > dsp . diff_pixels ( s - > block [ 0 ] , ptr_y , dest_y , wrap_y ) ;
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s - > dsp . diff_pixels ( s - > block [ 1 ] , ptr_y + 8 , dest_y + 8 , wrap_y ) ;
s - > dsp . diff_pixels ( s - > block [ 2 ] , ptr_y + dct_offset , dest_y + dct_offset , wrap_y ) ;
s - > dsp . diff_pixels ( s - > block [ 3 ] , ptr_y + dct_offset + 8 , dest_y + dct_offset + 8 , wrap_y ) ;
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if ( s - > flags & CODEC_FLAG_GRAY ) {
skip_dct [ 4 ] = 1 ;
skip_dct [ 5 ] = 1 ;
} else {
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s - > dsp . diff_pixels ( s - > block [ 4 ] , ptr_cb , dest_cb , wrap_c ) ;
s - > dsp . diff_pixels ( s - > block [ 5 ] , ptr_cr , dest_cr , wrap_c ) ;
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if ( ! s - > chroma_y_shift ) { /* 422 */
s - > dsp . diff_pixels ( s - > block [ 6 ] , ptr_cb + ( dct_offset > > 1 ) , dest_cb + ( dct_offset > > 1 ) , wrap_c ) ;
s - > dsp . diff_pixels ( s - > block [ 7 ] , ptr_cr + ( dct_offset > > 1 ) , dest_cr + ( dct_offset > > 1 ) , wrap_c ) ;
}
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}
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/* pre quantization */
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if ( s - > current_picture . mc_mb_var [ s - > mb_stride * mb_y + mb_x ] < 2 * s - > qscale * s - > qscale ) {
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//FIXME optimize
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if ( s - > dsp . sad [ 1 ] ( NULL , ptr_y , dest_y , wrap_y , 8 ) < 20 * s - > qscale ) skip_dct [ 0 ] = 1 ;
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if ( s - > dsp . sad [ 1 ] ( NULL , ptr_y + 8 , dest_y + 8 , wrap_y , 8 ) < 20 * s - > qscale ) skip_dct [ 1 ] = 1 ;
if ( s - > dsp . sad [ 1 ] ( NULL , ptr_y + dct_offset , dest_y + dct_offset , wrap_y , 8 ) < 20 * s - > qscale ) skip_dct [ 2 ] = 1 ;
if ( s - > dsp . sad [ 1 ] ( NULL , ptr_y + dct_offset + 8 , dest_y + dct_offset + 8 , wrap_y , 8 ) < 20 * s - > qscale ) skip_dct [ 3 ] = 1 ;
if ( s - > dsp . sad [ 1 ] ( NULL , ptr_cb , dest_cb , wrap_c , 8 ) < 20 * s - > qscale ) skip_dct [ 4 ] = 1 ;
if ( s - > dsp . sad [ 1 ] ( NULL , ptr_cr , dest_cr , wrap_c , 8 ) < 20 * s - > qscale ) skip_dct [ 5 ] = 1 ;
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if ( ! s - > chroma_y_shift ) { /* 422 */
if ( s - > dsp . sad [ 1 ] ( NULL , ptr_cb + ( dct_offset > > 1 ) , dest_cb + ( dct_offset > > 1 ) , wrap_c , 8 ) < 20 * s - > qscale ) skip_dct [ 6 ] = 1 ;
if ( s - > dsp . sad [ 1 ] ( NULL , ptr_cr + ( dct_offset > > 1 ) , dest_cr + ( dct_offset > > 1 ) , wrap_c , 8 ) < 20 * s - > qscale ) skip_dct [ 7 ] = 1 ;
}
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}
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}
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if ( s - > avctx - > quantizer_noise_shaping ) {
if ( ! skip_dct [ 0 ] ) get_vissual_weight ( weight [ 0 ] , ptr_y , wrap_y ) ;
if ( ! skip_dct [ 1 ] ) get_vissual_weight ( weight [ 1 ] , ptr_y + 8 , wrap_y ) ;
if ( ! skip_dct [ 2 ] ) get_vissual_weight ( weight [ 2 ] , ptr_y + dct_offset , wrap_y ) ;
if ( ! skip_dct [ 3 ] ) get_vissual_weight ( weight [ 3 ] , ptr_y + dct_offset + 8 , wrap_y ) ;
if ( ! skip_dct [ 4 ] ) get_vissual_weight ( weight [ 4 ] , ptr_cb , wrap_c ) ;
if ( ! skip_dct [ 5 ] ) get_vissual_weight ( weight [ 5 ] , ptr_cr , wrap_c ) ;
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if ( ! s - > chroma_y_shift ) { /* 422 */
if ( ! skip_dct [ 6 ] ) get_vissual_weight ( weight [ 6 ] , ptr_cb + ( dct_offset > > 1 ) , wrap_c ) ;
if ( ! skip_dct [ 7 ] ) get_vissual_weight ( weight [ 7 ] , ptr_cr + ( dct_offset > > 1 ) , wrap_c ) ;
}
memcpy ( orig [ 0 ] , s - > block [ 0 ] , sizeof ( DCTELEM ) * 64 * mb_block_count ) ;
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}
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/* DCT & quantize */
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assert ( s - > out_format ! = FMT_MJPEG | | s - > qscale = = 8 ) ;
{
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for ( i = 0 ; i < mb_block_count ; i + + ) {
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if ( ! skip_dct [ i ] ) {
int overflow ;
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s - > block_last_index [ i ] = s - > dct_quantize ( s , s - > block [ i ] , i , s - > qscale , & overflow ) ;
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// FIXME we could decide to change to quantizer instead of clipping
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// JS: I don't think that would be a good idea it could lower quality instead
// of improve it. Just INTRADC clipping deserves changes in quantizer
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if ( overflow ) clip_coeffs ( s , s - > block [ i ] , s - > block_last_index [ i ] ) ;
} else
s - > block_last_index [ i ] = - 1 ;
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}
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if ( s - > avctx - > quantizer_noise_shaping ) {
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for ( i = 0 ; i < mb_block_count ; i + + ) {
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if ( ! skip_dct [ i ] ) {
s - > block_last_index [ i ] = dct_quantize_refine ( s , s - > block [ i ] , weight [ i ] , orig [ i ] , i , s - > qscale ) ;
}
}
}
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if ( s - > luma_elim_threshold & & ! s - > mb_intra )
for ( i = 0 ; i < 4 ; i + + )
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dct_single_coeff_elimination ( s , i , s - > luma_elim_threshold ) ;
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if ( s - > chroma_elim_threshold & & ! s - > mb_intra )
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for ( i = 4 ; i < mb_block_count ; i + + )
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dct_single_coeff_elimination ( s , i , s - > chroma_elim_threshold ) ;
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if ( s - > flags & CODEC_FLAG_CBP_RD ) {
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for ( i = 0 ; i < mb_block_count ; i + + ) {
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if ( s - > block_last_index [ i ] = = - 1 )
s - > coded_score [ i ] = INT_MAX / 256 ;
}
}
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}
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if ( ( s - > flags & CODEC_FLAG_GRAY ) & & s - > mb_intra ) {
s - > block_last_index [ 4 ] =
s - > block_last_index [ 5 ] = 0 ;
s - > block [ 4 ] [ 0 ] =
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s - > block [ 5 ] [ 0 ] = ( 1024 + s - > c_dc_scale / 2 ) / s - > c_dc_scale ;
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}
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//non c quantize code returns incorrect block_last_index FIXME
if ( s - > alternate_scan & & s - > dct_quantize ! = dct_quantize_c ) {
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for ( i = 0 ; i < mb_block_count ; i + + ) {
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int j ;
if ( s - > block_last_index [ i ] > 0 ) {
for ( j = 63 ; j > 0 ; j - - ) {
if ( s - > block [ i ] [ s - > intra_scantable . permutated [ j ] ] ) break ;
}
s - > block_last_index [ i ] = j ;
}
}
}
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/* huffman encode */
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switch ( s - > codec_id ) { //FIXME funct ptr could be slightly faster
case CODEC_ID_MPEG1VIDEO :
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case CODEC_ID_MPEG2VIDEO :
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mpeg1_encode_mb ( s , s - > block , motion_x , motion_y ) ; break ;
case CODEC_ID_MPEG4 :
mpeg4_encode_mb ( s , s - > block , motion_x , motion_y ) ; break ;
case CODEC_ID_MSMPEG4V2 :
case CODEC_ID_MSMPEG4V3 :
case CODEC_ID_WMV1 :
msmpeg4_encode_mb ( s , s - > block , motion_x , motion_y ) ; break ;
case CODEC_ID_WMV2 :
ff_wmv2_encode_mb ( s , s - > block , motion_x , motion_y ) ; break ;
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# ifdef CONFIG_H261_ENCODER
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case CODEC_ID_H261 :
ff_h261_encode_mb ( s , s - > block , motion_x , motion_y ) ; break ;
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# endif
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case CODEC_ID_H263 :
case CODEC_ID_H263P :
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case CODEC_ID_FLV1 :
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case CODEC_ID_RV10 :
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case CODEC_ID_RV20 :
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h263_encode_mb ( s , s - > block , motion_x , motion_y ) ; break ;
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case CODEC_ID_MJPEG :
mjpeg_encode_mb ( s , s - > block ) ; break ;
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default :
assert ( 0 ) ;
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}
}
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static always_inline void encode_mb ( MpegEncContext * s , int motion_x , int motion_y )
{
if ( s - > chroma_format = = CHROMA_420 ) encode_mb_internal ( s , motion_x , motion_y , 8 , 6 ) ;
else encode_mb_internal ( s , motion_x , motion_y , 16 , 8 ) ;
}
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# endif //CONFIG_ENCODERS
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void ff_mpeg_flush ( AVCodecContext * avctx ) {
int i ;
MpegEncContext * s = avctx - > priv_data ;
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if ( s = = NULL | | s - > picture = = NULL )
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return ;
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2003-07-17 14:29:07 +02:00
for ( i = 0 ; i < MAX_PICTURE_COUNT ; i + + ) {
if ( s - > picture [ i ] . data [ 0 ] & & ( s - > picture [ i ] . type = = FF_BUFFER_TYPE_INTERNAL
| | s - > picture [ i ] . type = = FF_BUFFER_TYPE_USER ) )
avctx - > release_buffer ( avctx , ( AVFrame * ) & s - > picture [ i ] ) ;
}
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s - > current_picture_ptr = s - > last_picture_ptr = s - > next_picture_ptr = NULL ;
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2004-12-07 14:14:37 +01:00
s - > mb_x = s - > mb_y = 0 ;
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2003-08-03 00:01:02 +02:00
s - > parse_context . state = - 1 ;
s - > parse_context . frame_start_found = 0 ;
s - > parse_context . overread = 0 ;
s - > parse_context . overread_index = 0 ;
s - > parse_context . index = 0 ;
s - > parse_context . last_index = 0 ;
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s - > bitstream_buffer_size = 0 ;
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}
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# ifdef CONFIG_ENCODERS
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void ff_copy_bits ( PutBitContext * pb , uint8_t * src , int length )
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{
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const uint16_t * srcw = ( uint16_t * ) src ;
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int words = length > > 4 ;
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int bits = length & 15 ;
int i ;
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if ( length = = 0 ) return ;
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2004-02-14 02:25:41 +01:00
if ( words < 16 ) {
for ( i = 0 ; i < words ; i + + ) put_bits ( pb , 16 , be2me_16 ( srcw [ i ] ) ) ;
} else if ( put_bits_count ( pb ) & 7 ) {
for ( i = 0 ; i < words ; i + + ) put_bits ( pb , 16 , be2me_16 ( srcw [ i ] ) ) ;
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} else {
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for ( i = 0 ; put_bits_count ( pb ) & 31 ; i + + )
put_bits ( pb , 8 , src [ i ] ) ;
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flush_put_bits ( pb ) ;
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memcpy ( pbBufPtr ( pb ) , src + i , 2 * words - i ) ;
skip_put_bytes ( pb , 2 * words - i ) ;
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}
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2004-02-14 02:25:41 +01:00
put_bits ( pb , bits , be2me_16 ( srcw [ words ] ) > > ( 16 - bits ) ) ;
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}
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static inline void copy_context_before_encode ( MpegEncContext * d , MpegEncContext * s , int type ) {
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int i ;
memcpy ( d - > last_mv , s - > last_mv , 2 * 2 * 2 * sizeof ( int ) ) ; //FIXME is memcpy faster then a loop?
/* mpeg1 */
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d - > mb_skip_run = s - > mb_skip_run ;
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for ( i = 0 ; i < 3 ; i + + )
d - > last_dc [ i ] = s - > last_dc [ i ] ;
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2002-04-17 20:19:50 +02:00
/* statistics */
d - > mv_bits = s - > mv_bits ;
d - > i_tex_bits = s - > i_tex_bits ;
d - > p_tex_bits = s - > p_tex_bits ;
d - > i_count = s - > i_count ;
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d - > f_count = s - > f_count ;
d - > b_count = s - > b_count ;
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d - > skip_count = s - > skip_count ;
d - > misc_bits = s - > misc_bits ;
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d - > last_bits = 0 ;
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d - > mb_skipped = 0 ;
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d - > qscale = s - > qscale ;
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d - > dquant = s - > dquant ;
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}
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static inline void copy_context_after_encode ( MpegEncContext * d , MpegEncContext * s , int type ) {
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int i ;
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memcpy ( d - > mv , s - > mv , 2 * 4 * 2 * sizeof ( int ) ) ;
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memcpy ( d - > last_mv , s - > last_mv , 2 * 2 * 2 * sizeof ( int ) ) ; //FIXME is memcpy faster then a loop?
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2002-04-17 20:19:50 +02:00
/* mpeg1 */
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d - > mb_skip_run = s - > mb_skip_run ;
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for ( i = 0 ; i < 3 ; i + + )
d - > last_dc [ i ] = s - > last_dc [ i ] ;
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2002-04-17 20:19:50 +02:00
/* statistics */
d - > mv_bits = s - > mv_bits ;
d - > i_tex_bits = s - > i_tex_bits ;
d - > p_tex_bits = s - > p_tex_bits ;
d - > i_count = s - > i_count ;
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d - > f_count = s - > f_count ;
d - > b_count = s - > b_count ;
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d - > skip_count = s - > skip_count ;
d - > misc_bits = s - > misc_bits ;
d - > mb_intra = s - > mb_intra ;
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d - > mb_skipped = s - > mb_skipped ;
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d - > mv_type = s - > mv_type ;
d - > mv_dir = s - > mv_dir ;
d - > pb = s - > pb ;
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if ( s - > data_partitioning ) {
d - > pb2 = s - > pb2 ;
d - > tex_pb = s - > tex_pb ;
}
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d - > block = s - > block ;
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for ( i = 0 ; i < 8 ; i + + )
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d - > block_last_index [ i ] = s - > block_last_index [ i ] ;
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d - > interlaced_dct = s - > interlaced_dct ;
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d - > qscale = s - > qscale ;
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}
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static inline void encode_mb_hq ( MpegEncContext * s , MpegEncContext * backup , MpegEncContext * best , int type ,
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PutBitContext pb [ 2 ] , PutBitContext pb2 [ 2 ] , PutBitContext tex_pb [ 2 ] ,
int * dmin , int * next_block , int motion_x , int motion_y )
{
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int score ;
uint8_t * dest_backup [ 3 ] ;
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2002-06-02 14:20:39 +02:00
copy_context_before_encode ( s , backup , type ) ;
s - > block = s - > blocks [ * next_block ] ;
s - > pb = pb [ * next_block ] ;
if ( s - > data_partitioning ) {
s - > pb2 = pb2 [ * next_block ] ;
s - > tex_pb = tex_pb [ * next_block ] ;
}
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2003-07-29 04:09:12 +02:00
if ( * next_block ) {
memcpy ( dest_backup , s - > dest , sizeof ( s - > dest ) ) ;
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s - > dest [ 0 ] = s - > rd_scratchpad ;
s - > dest [ 1 ] = s - > rd_scratchpad + 16 * s - > linesize ;
s - > dest [ 2 ] = s - > rd_scratchpad + 16 * s - > linesize + 8 ;
assert ( s - > linesize > = 32 ) ; //FIXME
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}
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encode_mb ( s , motion_x , motion_y ) ;
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2004-02-06 16:27:31 +01:00
score = put_bits_count ( & s - > pb ) ;
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if ( s - > data_partitioning ) {
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score + = put_bits_count ( & s - > pb2 ) ;
score + = put_bits_count ( & s - > tex_pb ) ;
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}
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if ( s - > avctx - > mb_decision = = FF_MB_DECISION_RD ) {
MPV_decode_mb ( s , s - > block ) ;
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score * = s - > lambda2 ;
score + = sse_mb ( s ) < < FF_LAMBDA_SHIFT ;
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}
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if ( * next_block ) {
memcpy ( s - > dest , dest_backup , sizeof ( s - > dest ) ) ;
}
if ( score < * dmin ) {
* dmin = score ;
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* next_block ^ = 1 ;
copy_context_after_encode ( best , s , type ) ;
}
}
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static int sse ( MpegEncContext * s , uint8_t * src1 , uint8_t * src2 , int w , int h , int stride ) {
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uint32_t * sq = squareTbl + 256 ;
int acc = 0 ;
int x , y ;
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if ( w = = 16 & & h = = 16 )
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return s - > dsp . sse [ 0 ] ( NULL , src1 , src2 , stride , 16 ) ;
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else if ( w = = 8 & & h = = 8 )
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return s - > dsp . sse [ 1 ] ( NULL , src1 , src2 , stride , 8 ) ;
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for ( y = 0 ; y < h ; y + + ) {
for ( x = 0 ; x < w ; x + + ) {
acc + = sq [ src1 [ x + y * stride ] - src2 [ x + y * stride ] ] ;
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}
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}
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assert ( acc > = 0 ) ;
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return acc ;
}
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static int sse_mb ( MpegEncContext * s ) {
int w = 16 ;
int h = 16 ;
if ( s - > mb_x * 16 + 16 > s - > width ) w = s - > width - s - > mb_x * 16 ;
if ( s - > mb_y * 16 + 16 > s - > height ) h = s - > height - s - > mb_y * 16 ;
if ( w = = 16 & & h = = 16 )
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if ( s - > avctx - > mb_cmp = = FF_CMP_NSSE ) {
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return s - > dsp . nsse [ 0 ] ( s , s - > new_picture . data [ 0 ] + s - > mb_x * 16 + s - > mb_y * s - > linesize * 16 , s - > dest [ 0 ] , s - > linesize , 16 )
+ s - > dsp . nsse [ 1 ] ( s , s - > new_picture . data [ 1 ] + s - > mb_x * 8 + s - > mb_y * s - > uvlinesize * 8 , s - > dest [ 1 ] , s - > uvlinesize , 8 )
+ s - > dsp . nsse [ 1 ] ( s , s - > new_picture . data [ 2 ] + s - > mb_x * 8 + s - > mb_y * s - > uvlinesize * 8 , s - > dest [ 2 ] , s - > uvlinesize , 8 ) ;
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} else {
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return s - > dsp . sse [ 0 ] ( NULL , s - > new_picture . data [ 0 ] + s - > mb_x * 16 + s - > mb_y * s - > linesize * 16 , s - > dest [ 0 ] , s - > linesize , 16 )
+ s - > dsp . sse [ 1 ] ( NULL , s - > new_picture . data [ 1 ] + s - > mb_x * 8 + s - > mb_y * s - > uvlinesize * 8 , s - > dest [ 1 ] , s - > uvlinesize , 8 )
+ s - > dsp . sse [ 1 ] ( NULL , s - > new_picture . data [ 2 ] + s - > mb_x * 8 + s - > mb_y * s - > uvlinesize * 8 , s - > dest [ 2 ] , s - > uvlinesize , 8 ) ;
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}
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else
return sse ( s , s - > new_picture . data [ 0 ] + s - > mb_x * 16 + s - > mb_y * s - > linesize * 16 , s - > dest [ 0 ] , w , h , s - > linesize )
+ sse ( s , s - > new_picture . data [ 1 ] + s - > mb_x * 8 + s - > mb_y * s - > uvlinesize * 8 , s - > dest [ 1 ] , w > > 1 , h > > 1 , s - > uvlinesize )
+ sse ( s , s - > new_picture . data [ 2 ] + s - > mb_x * 8 + s - > mb_y * s - > uvlinesize * 8 , s - > dest [ 2 ] , w > > 1 , h > > 1 , s - > uvlinesize ) ;
}
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static int pre_estimate_motion_thread ( AVCodecContext * c , void * arg ) {
MpegEncContext * s = arg ;
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s - > me . pre_pass = 1 ;
s - > me . dia_size = s - > avctx - > pre_dia_size ;
s - > first_slice_line = 1 ;
for ( s - > mb_y = s - > end_mb_y - 1 ; s - > mb_y > = s - > start_mb_y ; s - > mb_y - - ) {
for ( s - > mb_x = s - > mb_width - 1 ; s - > mb_x > = 0 ; s - > mb_x - - ) {
ff_pre_estimate_p_frame_motion ( s , s - > mb_x , s - > mb_y ) ;
}
s - > first_slice_line = 0 ;
}
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s - > me . pre_pass = 0 ;
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return 0 ;
}
static int estimate_motion_thread ( AVCodecContext * c , void * arg ) {
MpegEncContext * s = arg ;
s - > me . dia_size = s - > avctx - > dia_size ;
s - > first_slice_line = 1 ;
for ( s - > mb_y = s - > start_mb_y ; s - > mb_y < s - > end_mb_y ; s - > mb_y + + ) {
s - > mb_x = 0 ; //for block init below
ff_init_block_index ( s ) ;
for ( s - > mb_x = 0 ; s - > mb_x < s - > mb_width ; s - > mb_x + + ) {
s - > block_index [ 0 ] + = 2 ;
s - > block_index [ 1 ] + = 2 ;
s - > block_index [ 2 ] + = 2 ;
s - > block_index [ 3 ] + = 2 ;
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/* compute motion vector & mb_type and store in context */
if ( s - > pict_type = = B_TYPE )
ff_estimate_b_frame_motion ( s , s - > mb_x , s - > mb_y ) ;
else
ff_estimate_p_frame_motion ( s , s - > mb_x , s - > mb_y ) ;
}
s - > first_slice_line = 0 ;
}
return 0 ;
}
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static int mb_var_thread ( AVCodecContext * c , void * arg ) {
MpegEncContext * s = arg ;
int mb_x , mb_y ;
for ( mb_y = s - > start_mb_y ; mb_y < s - > end_mb_y ; mb_y + + ) {
for ( mb_x = 0 ; mb_x < s - > mb_width ; mb_x + + ) {
int xx = mb_x * 16 ;
int yy = mb_y * 16 ;
uint8_t * pix = s - > new_picture . data [ 0 ] + ( yy * s - > linesize ) + xx ;
int varc ;
int sum = s - > dsp . pix_sum ( pix , s - > linesize ) ;
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varc = ( s - > dsp . pix_norm1 ( pix , s - > linesize ) - ( ( ( unsigned ) ( sum * sum ) ) > > 8 ) + 500 + 128 ) > > 8 ;
s - > current_picture . mb_var [ s - > mb_stride * mb_y + mb_x ] = varc ;
s - > current_picture . mb_mean [ s - > mb_stride * mb_y + mb_x ] = ( sum + 128 ) > > 8 ;
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s - > me . mb_var_sum_temp + = varc ;
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}
}
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return 0 ;
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}
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static void write_slice_end ( MpegEncContext * s ) {
if ( s - > codec_id = = CODEC_ID_MPEG4 ) {
if ( s - > partitioned_frame ) {
ff_mpeg4_merge_partitions ( s ) ;
}
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ff_mpeg4_stuffing ( & s - > pb ) ;
} else if ( s - > out_format = = FMT_MJPEG ) {
ff_mjpeg_stuffing ( & s - > pb ) ;
}
align_put_bits ( & s - > pb ) ;
flush_put_bits ( & s - > pb ) ;
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if ( ( s - > flags & CODEC_FLAG_PASS1 ) & & ! s - > partitioned_frame )
s - > misc_bits + = get_bits_diff ( s ) ;
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}
static int encode_thread ( AVCodecContext * c , void * arg ) {
MpegEncContext * s = arg ;
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int mb_x , mb_y , pdif = 0 ;
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int i , j ;
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MpegEncContext best_s , backup_s ;
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uint8_t bit_buf [ 2 ] [ MAX_MB_BYTES ] ;
uint8_t bit_buf2 [ 2 ] [ MAX_MB_BYTES ] ;
uint8_t bit_buf_tex [ 2 ] [ MAX_MB_BYTES ] ;
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PutBitContext pb [ 2 ] , pb2 [ 2 ] , tex_pb [ 2 ] ;
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//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
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for ( i = 0 ; i < 2 ; i + + ) {
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init_put_bits ( & pb [ i ] , bit_buf [ i ] , MAX_MB_BYTES ) ;
init_put_bits ( & pb2 [ i ] , bit_buf2 [ i ] , MAX_MB_BYTES ) ;
init_put_bits ( & tex_pb [ i ] , bit_buf_tex [ i ] , MAX_MB_BYTES ) ;
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}
2001-07-22 16:18:56 +02:00
2004-02-13 18:54:10 +01:00
s - > last_bits = put_bits_count ( & s - > pb ) ;
s - > mv_bits = 0 ;
s - > misc_bits = 0 ;
s - > i_tex_bits = 0 ;
s - > p_tex_bits = 0 ;
s - > i_count = 0 ;
s - > f_count = 0 ;
s - > b_count = 0 ;
s - > skip_count = 0 ;
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for ( i = 0 ; i < 3 ; i + + ) {
/* init last dc values */
/* note: quant matrix value (8) is implied here */
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s - > last_dc [ i ] = 128 < < s - > intra_dc_precision ;
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s - > current_picture . error [ i ] = 0 ;
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}
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s - > mb_skip_run = 0 ;
memset ( s - > last_mv , 0 , sizeof ( s - > last_mv ) ) ;
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s - > last_mv_dir = 0 ;
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2004-02-13 18:54:10 +01:00
switch ( s - > codec_id ) {
case CODEC_ID_H263 :
case CODEC_ID_H263P :
case CODEC_ID_FLV1 :
s - > gob_index = ff_h263_get_gob_height ( s ) ;
break ;
case CODEC_ID_MPEG4 :
if ( s - > partitioned_frame )
ff_mpeg4_init_partitions ( s ) ;
break ;
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}
2002-10-31 13:11:53 +01:00
2004-02-13 18:54:10 +01:00
s - > resync_mb_x = 0 ;
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s - > resync_mb_y = 0 ;
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s - > first_slice_line = 1 ;
s - > ptr_lastgob = s - > pb . buf ;
for ( mb_y = s - > start_mb_y ; mb_y < s - > end_mb_y ; mb_y + + ) {
// printf("row %d at %X\n", s->mb_y, (int)s);
s - > mb_x = 0 ;
s - > mb_y = mb_y ;
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2004-02-13 18:54:10 +01:00
ff_set_qscale ( s , s - > qscale ) ;
ff_init_block_index ( s ) ;
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for ( mb_x = 0 ; mb_x < s - > mb_width ; mb_x + + ) {
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int xy = mb_y * s - > mb_stride + mb_x ; // removed const, H261 needs to adjust this
2004-02-13 18:54:10 +01:00
int mb_type = s - > mb_type [ xy ] ;
// int d;
int dmin = INT_MAX ;
int dir ;
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if ( s - > pb . buf_end - s - > pb . buf - ( put_bits_count ( & s - > pb ) > > 3 ) < MAX_MB_BYTES ) {
av_log ( s - > avctx , AV_LOG_ERROR , " encoded frame too large \n " ) ;
return - 1 ;
}
if ( s - > data_partitioning ) {
if ( s - > pb2 . buf_end - s - > pb2 . buf - ( put_bits_count ( & s - > pb2 ) > > 3 ) < MAX_MB_BYTES
| | s - > tex_pb . buf_end - s - > tex_pb . buf - ( put_bits_count ( & s - > tex_pb ) > > 3 ) < MAX_MB_BYTES ) {
av_log ( s - > avctx , AV_LOG_ERROR , " encoded frame too large \n " ) ;
return - 1 ;
}
}
2004-02-13 18:54:10 +01:00
s - > mb_x = mb_x ;
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s - > mb_y = mb_y ; // moved into loop, can get changed by H.261
2004-02-13 18:54:10 +01:00
ff_update_block_index ( s ) ;
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# ifdef CONFIG_H261_ENCODER
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if ( s - > codec_id = = CODEC_ID_H261 ) {
ff_h261_reorder_mb_index ( s ) ;
xy = s - > mb_y * s - > mb_stride + s - > mb_x ;
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mb_type = s - > mb_type [ xy ] ;
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}
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# endif
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2004-02-13 18:54:10 +01:00
/* write gob / video packet header */
if ( s - > rtp_mode ) {
int current_packet_size , is_gob_start ;
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2004-02-13 21:59:48 +01:00
current_packet_size = ( ( put_bits_count ( & s - > pb ) + 7 ) > > 3 ) - ( s - > ptr_lastgob - s - > pb . buf ) ;
2005-12-17 19:14:38 +01:00
is_gob_start = s - > avctx - > rtp_payload_size & & current_packet_size > = s - > avctx - > rtp_payload_size & & mb_y + mb_x > 0 ;
2004-02-13 18:54:10 +01:00
if ( s - > start_mb_y = = mb_y & & mb_y > 0 & & mb_x = = 0 ) is_gob_start = 1 ;
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2004-02-13 18:54:10 +01:00
switch ( s - > codec_id ) {
case CODEC_ID_H263 :
case CODEC_ID_H263P :
if ( ! s - > h263_slice_structured )
if ( s - > mb_x | | s - > mb_y % s - > gob_index ) is_gob_start = 0 ;
break ;
case CODEC_ID_MPEG2VIDEO :
if ( s - > mb_x = = 0 & & s - > mb_y ! = 0 ) is_gob_start = 1 ;
case CODEC_ID_MPEG1VIDEO :
if ( s - > mb_skip_run ) is_gob_start = 0 ;
break ;
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}
2003-02-08 13:00:57 +01:00
2004-02-13 18:54:10 +01:00
if ( is_gob_start ) {
if ( s - > start_mb_y ! = mb_y | | mb_x ! = 0 ) {
write_slice_end ( s ) ;
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2004-02-13 18:54:10 +01:00
if ( s - > codec_id = = CODEC_ID_MPEG4 & & s - > partitioned_frame ) {
ff_mpeg4_init_partitions ( s ) ;
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}
}
2005-12-17 19:14:38 +01:00
2004-02-06 16:27:31 +01:00
assert ( ( put_bits_count ( & s - > pb ) & 7 ) = = 0 ) ;
2003-12-07 02:33:45 +01:00
current_packet_size = pbBufPtr ( & s - > pb ) - s - > ptr_lastgob ;
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2003-12-14 02:42:00 +01:00
if ( s - > avctx - > error_rate & & s - > resync_mb_x + s - > resync_mb_y > 0 ) {
2004-11-28 15:58:50 +01:00
int r = put_bits_count ( & s - > pb ) / 8 + s - > picture_number + 16 + s - > mb_x + s - > mb_y ;
2003-12-14 02:42:00 +01:00
int d = 100 / s - > avctx - > error_rate ;
if ( r % d = = 0 ) {
current_packet_size = 0 ;
# ifndef ALT_BITSTREAM_WRITER
s - > pb . buf_ptr = s - > ptr_lastgob ;
# endif
assert ( pbBufPtr ( & s - > pb ) = = s - > ptr_lastgob ) ;
}
}
2005-02-02 19:14:59 +01:00
if ( s - > avctx - > rtp_callback ) {
int number_mb = ( mb_y - s - > resync_mb_y ) * s - > mb_width + mb_x - s - > resync_mb_x ;
s - > avctx - > rtp_callback ( s - > avctx , s - > ptr_lastgob , current_packet_size , number_mb ) ;
}
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2003-12-07 02:33:45 +01:00
switch ( s - > codec_id ) {
case CODEC_ID_MPEG4 :
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ff_mpeg4_encode_video_packet_header ( s ) ;
ff_mpeg4_clean_buffers ( s ) ;
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break ;
case CODEC_ID_MPEG1VIDEO :
case CODEC_ID_MPEG2VIDEO :
2003-03-30 21:26:01 +02:00
ff_mpeg1_encode_slice_header ( s ) ;
ff_mpeg1_clean_buffers ( s ) ;
2003-12-07 02:33:45 +01:00
break ;
case CODEC_ID_H263 :
case CODEC_ID_H263P :
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h263_encode_gob_header ( s , mb_y ) ;
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break ;
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}
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if ( s - > flags & CODEC_FLAG_PASS1 ) {
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int bits = put_bits_count ( & s - > pb ) ;
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s - > misc_bits + = bits - s - > last_bits ;
s - > last_bits = bits ;
}
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2003-12-07 03:10:30 +01:00
s - > ptr_lastgob + = current_packet_size ;
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s - > first_slice_line = 1 ;
s - > resync_mb_x = mb_x ;
s - > resync_mb_y = mb_y ;
}
2002-10-13 15:16:04 +02:00
}
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2002-10-13 15:16:04 +02:00
if ( ( s - > resync_mb_x = = s - > mb_x )
& & s - > resync_mb_y + 1 = = s - > mb_y ) {
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s - > first_slice_line = 0 ;
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}
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s - > mb_skipped = 0 ;
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s - > dquant = 0 ; //only for QP_RD
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2004-09-14 20:35:03 +02:00
if ( mb_type & ( mb_type - 1 ) | | ( s - > flags & CODEC_FLAG_QP_RD ) ) { // more than 1 MB type possible or CODEC_FLAG_QP_RD
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int next_block = 0 ;
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int pb_bits_count , pb2_bits_count , tex_pb_bits_count ;
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copy_context_before_encode ( & backup_s , s , - 1 ) ;
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backup_s . pb = s - > pb ;
best_s . data_partitioning = s - > data_partitioning ;
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best_s . partitioned_frame = s - > partitioned_frame ;
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if ( s - > data_partitioning ) {
backup_s . pb2 = s - > pb2 ;
backup_s . tex_pb = s - > tex_pb ;
}
2002-04-17 20:19:50 +02:00
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if ( mb_type & CANDIDATE_MB_TYPE_INTER ) {
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s - > mv_dir = MV_DIR_FORWARD ;
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s - > mv_type = MV_TYPE_16X16 ;
2002-03-27 22:25:22 +01:00
s - > mb_intra = 0 ;
2002-04-17 06:32:12 +02:00
s - > mv [ 0 ] [ 0 ] [ 0 ] = s - > p_mv_table [ xy ] [ 0 ] ;
s - > mv [ 0 ] [ 0 ] [ 1 ] = s - > p_mv_table [ xy ] [ 1 ] ;
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encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_INTER , pb , pb2 , tex_pb ,
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& dmin , & next_block , s - > mv [ 0 ] [ 0 ] [ 0 ] , s - > mv [ 0 ] [ 0 ] [ 1 ] ) ;
2003-10-02 02:24:34 +02:00
}
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if ( mb_type & CANDIDATE_MB_TYPE_INTER_I ) {
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s - > mv_dir = MV_DIR_FORWARD ;
s - > mv_type = MV_TYPE_FIELD ;
s - > mb_intra = 0 ;
for ( i = 0 ; i < 2 ; i + + ) {
j = s - > field_select [ 0 ] [ i ] = s - > p_field_select_table [ i ] [ xy ] ;
s - > mv [ 0 ] [ i ] [ 0 ] = s - > p_field_mv_table [ i ] [ j ] [ xy ] [ 0 ] ;
s - > mv [ 0 ] [ i ] [ 1 ] = s - > p_field_mv_table [ i ] [ j ] [ xy ] [ 1 ] ;
}
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encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_INTER_I , pb , pb2 , tex_pb ,
2003-12-30 17:07:57 +01:00
& dmin , & next_block , 0 , 0 ) ;
}
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if ( mb_type & CANDIDATE_MB_TYPE_SKIPPED ) {
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s - > mv_dir = MV_DIR_FORWARD ;
s - > mv_type = MV_TYPE_16X16 ;
s - > mb_intra = 0 ;
s - > mv [ 0 ] [ 0 ] [ 0 ] = 0 ;
s - > mv [ 0 ] [ 0 ] [ 1 ] = 0 ;
2005-12-17 19:14:38 +01:00
encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_SKIPPED , pb , pb2 , tex_pb ,
2003-10-02 02:24:34 +02:00
& dmin , & next_block , s - > mv [ 0 ] [ 0 ] [ 0 ] , s - > mv [ 0 ] [ 0 ] [ 1 ] ) ;
2001-07-22 16:18:56 +02:00
}
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if ( mb_type & CANDIDATE_MB_TYPE_INTER4V ) {
2002-04-19 05:25:20 +02:00
s - > mv_dir = MV_DIR_FORWARD ;
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s - > mv_type = MV_TYPE_8X8 ;
s - > mb_intra = 0 ;
for ( i = 0 ; i < 4 ; i + + ) {
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s - > mv [ 0 ] [ i ] [ 0 ] = s - > current_picture . motion_val [ 0 ] [ s - > block_index [ i ] ] [ 0 ] ;
s - > mv [ 0 ] [ i ] [ 1 ] = s - > current_picture . motion_val [ 0 ] [ s - > block_index [ i ] ] [ 1 ] ;
2002-03-28 05:25:35 +01:00
}
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encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_INTER4V , pb , pb2 , tex_pb ,
2002-06-02 14:20:39 +02:00
& dmin , & next_block , 0 , 0 ) ;
2002-04-19 05:25:20 +02:00
}
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if ( mb_type & CANDIDATE_MB_TYPE_FORWARD ) {
2002-04-19 05:25:20 +02:00
s - > mv_dir = MV_DIR_FORWARD ;
s - > mv_type = MV_TYPE_16X16 ;
s - > mb_intra = 0 ;
s - > mv [ 0 ] [ 0 ] [ 0 ] = s - > b_forw_mv_table [ xy ] [ 0 ] ;
s - > mv [ 0 ] [ 0 ] [ 1 ] = s - > b_forw_mv_table [ xy ] [ 1 ] ;
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encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_FORWARD , pb , pb2 , tex_pb ,
2002-06-02 14:20:39 +02:00
& dmin , & next_block , s - > mv [ 0 ] [ 0 ] [ 0 ] , s - > mv [ 0 ] [ 0 ] [ 1 ] ) ;
2002-04-19 05:25:20 +02:00
}
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if ( mb_type & CANDIDATE_MB_TYPE_BACKWARD ) {
2002-04-19 05:25:20 +02:00
s - > mv_dir = MV_DIR_BACKWARD ;
s - > mv_type = MV_TYPE_16X16 ;
s - > mb_intra = 0 ;
s - > mv [ 1 ] [ 0 ] [ 0 ] = s - > b_back_mv_table [ xy ] [ 0 ] ;
s - > mv [ 1 ] [ 0 ] [ 1 ] = s - > b_back_mv_table [ xy ] [ 1 ] ;
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encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_BACKWARD , pb , pb2 , tex_pb ,
2002-06-02 14:20:39 +02:00
& dmin , & next_block , s - > mv [ 1 ] [ 0 ] [ 0 ] , s - > mv [ 1 ] [ 0 ] [ 1 ] ) ;
2002-04-19 05:25:20 +02:00
}
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if ( mb_type & CANDIDATE_MB_TYPE_BIDIR ) {
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s - > mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD ;
s - > mv_type = MV_TYPE_16X16 ;
s - > mb_intra = 0 ;
s - > mv [ 0 ] [ 0 ] [ 0 ] = s - > b_bidir_forw_mv_table [ xy ] [ 0 ] ;
s - > mv [ 0 ] [ 0 ] [ 1 ] = s - > b_bidir_forw_mv_table [ xy ] [ 1 ] ;
s - > mv [ 1 ] [ 0 ] [ 0 ] = s - > b_bidir_back_mv_table [ xy ] [ 0 ] ;
s - > mv [ 1 ] [ 0 ] [ 1 ] = s - > b_bidir_back_mv_table [ xy ] [ 1 ] ;
2005-12-17 19:14:38 +01:00
encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_BIDIR , pb , pb2 , tex_pb ,
2002-06-02 14:20:39 +02:00
& dmin , & next_block , 0 , 0 ) ;
2002-04-19 05:25:20 +02:00
}
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if ( mb_type & CANDIDATE_MB_TYPE_DIRECT ) {
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int mx = s - > b_direct_mv_table [ xy ] [ 0 ] ;
int my = s - > b_direct_mv_table [ xy ] [ 1 ] ;
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2002-04-19 05:25:20 +02:00
s - > mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT ;
s - > mb_intra = 0 ;
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ff_mpeg4_set_direct_mv ( s , mx , my ) ;
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encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_DIRECT , pb , pb2 , tex_pb ,
2002-12-28 00:51:46 +01:00
& dmin , & next_block , mx , my ) ;
2002-03-28 05:25:35 +01:00
}
2005-12-17 19:14:38 +01:00
if ( mb_type & CANDIDATE_MB_TYPE_FORWARD_I ) {
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s - > mv_dir = MV_DIR_FORWARD ;
s - > mv_type = MV_TYPE_FIELD ;
s - > mb_intra = 0 ;
for ( i = 0 ; i < 2 ; i + + ) {
j = s - > field_select [ 0 ] [ i ] = s - > b_field_select_table [ 0 ] [ i ] [ xy ] ;
s - > mv [ 0 ] [ i ] [ 0 ] = s - > b_field_mv_table [ 0 ] [ i ] [ j ] [ xy ] [ 0 ] ;
s - > mv [ 0 ] [ i ] [ 1 ] = s - > b_field_mv_table [ 0 ] [ i ] [ j ] [ xy ] [ 1 ] ;
}
2005-12-17 19:14:38 +01:00
encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_FORWARD_I , pb , pb2 , tex_pb ,
2003-12-30 17:07:57 +01:00
& dmin , & next_block , 0 , 0 ) ;
}
2005-12-17 19:14:38 +01:00
if ( mb_type & CANDIDATE_MB_TYPE_BACKWARD_I ) {
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s - > mv_dir = MV_DIR_BACKWARD ;
s - > mv_type = MV_TYPE_FIELD ;
s - > mb_intra = 0 ;
for ( i = 0 ; i < 2 ; i + + ) {
j = s - > field_select [ 1 ] [ i ] = s - > b_field_select_table [ 1 ] [ i ] [ xy ] ;
s - > mv [ 1 ] [ i ] [ 0 ] = s - > b_field_mv_table [ 1 ] [ i ] [ j ] [ xy ] [ 0 ] ;
s - > mv [ 1 ] [ i ] [ 1 ] = s - > b_field_mv_table [ 1 ] [ i ] [ j ] [ xy ] [ 1 ] ;
}
2005-12-17 19:14:38 +01:00
encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_BACKWARD_I , pb , pb2 , tex_pb ,
2003-12-30 17:07:57 +01:00
& dmin , & next_block , 0 , 0 ) ;
}
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if ( mb_type & CANDIDATE_MB_TYPE_BIDIR_I ) {
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s - > mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD ;
s - > mv_type = MV_TYPE_FIELD ;
s - > mb_intra = 0 ;
for ( dir = 0 ; dir < 2 ; dir + + ) {
for ( i = 0 ; i < 2 ; i + + ) {
j = s - > field_select [ dir ] [ i ] = s - > b_field_select_table [ dir ] [ i ] [ xy ] ;
s - > mv [ dir ] [ i ] [ 0 ] = s - > b_field_mv_table [ dir ] [ i ] [ j ] [ xy ] [ 0 ] ;
s - > mv [ dir ] [ i ] [ 1 ] = s - > b_field_mv_table [ dir ] [ i ] [ j ] [ xy ] [ 1 ] ;
}
}
2005-12-17 19:14:38 +01:00
encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_BIDIR_I , pb , pb2 , tex_pb ,
2003-12-30 17:07:57 +01:00
& dmin , & next_block , 0 , 0 ) ;
}
if ( mb_type & CANDIDATE_MB_TYPE_INTRA ) {
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s - > mv_dir = 0 ;
2002-03-28 05:25:35 +01:00
s - > mv_type = MV_TYPE_16X16 ;
2002-03-27 22:25:22 +01:00
s - > mb_intra = 1 ;
s - > mv [ 0 ] [ 0 ] [ 0 ] = 0 ;
s - > mv [ 0 ] [ 0 ] [ 1 ] = 0 ;
2005-12-17 19:14:38 +01:00
encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_INTRA , pb , pb2 , tex_pb ,
2002-06-02 14:20:39 +02:00
& dmin , & next_block , 0 , 0 ) ;
2003-07-29 04:09:12 +02:00
if ( s - > h263_pred | | s - > h263_aic ) {
if ( best_s . mb_intra )
s - > mbintra_table [ mb_x + mb_y * s - > mb_stride ] = 1 ;
else
ff_clean_intra_table_entries ( s ) ; //old mode?
}
2002-03-28 05:25:35 +01:00
}
2003-11-12 13:25:44 +01:00
if ( s - > flags & CODEC_FLAG_QP_RD ) {
if ( best_s . mv_type = = MV_TYPE_16X16 & & ! ( best_s . mv_dir & MV_DIRECT ) ) {
const int last_qp = backup_s . qscale ;
int dquant , dir , qp , dc [ 6 ] ;
2003-11-12 14:03:51 +01:00
DCTELEM ac [ 6 ] [ 16 ] ;
2003-11-14 00:45:25 +01:00
const int mvdir = ( best_s . mv_dir & MV_DIR_BACKWARD ) ? 1 : 0 ;
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2003-11-12 13:25:44 +01:00
assert ( backup_s . dquant = = 0 ) ;
//FIXME intra
s - > mv_dir = best_s . mv_dir ;
s - > mv_type = MV_TYPE_16X16 ;
s - > mb_intra = best_s . mb_intra ;
s - > mv [ 0 ] [ 0 ] [ 0 ] = best_s . mv [ 0 ] [ 0 ] [ 0 ] ;
s - > mv [ 0 ] [ 0 ] [ 1 ] = best_s . mv [ 0 ] [ 0 ] [ 1 ] ;
s - > mv [ 1 ] [ 0 ] [ 0 ] = best_s . mv [ 1 ] [ 0 ] [ 0 ] ;
s - > mv [ 1 ] [ 0 ] [ 1 ] = best_s . mv [ 1 ] [ 0 ] [ 1 ] ;
2005-12-17 19:14:38 +01:00
2003-11-12 13:25:44 +01:00
dir = s - > pict_type = = B_TYPE ? 2 : 1 ;
2003-11-14 00:45:25 +01:00
if ( last_qp + dir > s - > avctx - > qmax ) dir = - dir ;
2003-11-12 13:25:44 +01:00
for ( dquant = dir ; dquant < = 2 & & dquant > = - 2 ; dquant + = dir ) {
qp = last_qp + dquant ;
if ( qp < s - > avctx - > qmin | | qp > s - > avctx - > qmax )
break ;
backup_s . dquant = dquant ;
2004-09-14 19:17:12 +02:00
if ( s - > mb_intra & & s - > dc_val [ 0 ] ) {
2003-11-12 14:03:51 +01:00
for ( i = 0 ; i < 6 ; i + + ) {
dc [ i ] = s - > dc_val [ 0 ] [ s - > block_index [ i ] ] ;
memcpy ( ac [ i ] , s - > ac_val [ 0 ] [ s - > block_index [ i ] ] , sizeof ( DCTELEM ) * 16 ) ;
}
2003-11-12 13:25:44 +01:00
}
2003-11-12 14:03:51 +01:00
2005-12-17 19:14:38 +01:00
encode_mb_hq ( s , & backup_s , & best_s , CANDIDATE_MB_TYPE_INTER /* wrong but unused */ , pb , pb2 , tex_pb ,
2003-11-14 00:45:25 +01:00
& dmin , & next_block , s - > mv [ mvdir ] [ 0 ] [ 0 ] , s - > mv [ mvdir ] [ 0 ] [ 1 ] ) ;
2003-11-12 13:25:44 +01:00
if ( best_s . qscale ! = qp ) {
2004-09-14 19:17:12 +02:00
if ( s - > mb_intra & & s - > dc_val [ 0 ] ) {
2003-11-12 14:03:51 +01:00
for ( i = 0 ; i < 6 ; i + + ) {
s - > dc_val [ 0 ] [ s - > block_index [ i ] ] = dc [ i ] ;
memcpy ( s - > ac_val [ 0 ] [ s - > block_index [ i ] ] , ac [ i ] , sizeof ( DCTELEM ) * 16 ) ;
}
2003-11-12 13:25:44 +01:00
}
if ( dir > 0 & & dquant = = dir ) {
dquant = 0 ;
dir = - dir ;
} else
break ;
}
}
qp = best_s . qscale ;
s - > current_picture . qscale_table [ xy ] = qp ;
}
}
2002-04-17 20:19:50 +02:00
copy_context_after_encode ( s , & best_s , - 1 ) ;
2005-12-17 19:14:38 +01:00
2004-02-06 16:27:31 +01:00
pb_bits_count = put_bits_count ( & s - > pb ) ;
2002-06-02 14:20:39 +02:00
flush_put_bits ( & s - > pb ) ;
ff_copy_bits ( & backup_s . pb , bit_buf [ next_block ^ 1 ] , pb_bits_count ) ;
s - > pb = backup_s . pb ;
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2002-06-02 14:20:39 +02:00
if ( s - > data_partitioning ) {
2004-02-06 16:27:31 +01:00
pb2_bits_count = put_bits_count ( & s - > pb2 ) ;
2002-06-02 14:20:39 +02:00
flush_put_bits ( & s - > pb2 ) ;
ff_copy_bits ( & backup_s . pb2 , bit_buf2 [ next_block ^ 1 ] , pb2_bits_count ) ;
s - > pb2 = backup_s . pb2 ;
2005-12-17 19:14:38 +01:00
2004-02-06 16:27:31 +01:00
tex_pb_bits_count = put_bits_count ( & s - > tex_pb ) ;
2002-06-02 14:20:39 +02:00
flush_put_bits ( & s - > tex_pb ) ;
ff_copy_bits ( & backup_s . tex_pb , bit_buf_tex [ next_block ^ 1 ] , tex_pb_bits_count ) ;
s - > tex_pb = backup_s . tex_pb ;
}
2004-02-06 16:27:31 +01:00
s - > last_bits = put_bits_count ( & s - > pb ) ;
2005-12-17 19:14:38 +01:00
2003-07-29 04:09:12 +02:00
if ( s - > out_format = = FMT_H263 & & s - > pict_type ! = B_TYPE )
ff_h263_update_motion_val ( s ) ;
2005-12-17 19:14:38 +01:00
2004-02-13 18:54:10 +01:00
if ( next_block = = 0 ) { //FIXME 16 vs linesize16
s - > dsp . put_pixels_tab [ 0 ] [ 0 ] ( s - > dest [ 0 ] , s - > rd_scratchpad , s - > linesize , 16 ) ;
s - > dsp . put_pixels_tab [ 1 ] [ 0 ] ( s - > dest [ 1 ] , s - > rd_scratchpad + 16 * s - > linesize , s - > uvlinesize , 8 ) ;
s - > dsp . put_pixels_tab [ 1 ] [ 0 ] ( s - > dest [ 2 ] , s - > rd_scratchpad + 16 * s - > linesize + 8 , s - > uvlinesize , 8 ) ;
2003-07-29 04:09:12 +02:00
}
if ( s - > avctx - > mb_decision = = FF_MB_DECISION_BITS )
MPV_decode_mb ( s , s - > block ) ;
2001-07-22 16:18:56 +02:00
} else {
2002-04-17 06:32:12 +02:00
int motion_x , motion_y ;
s - > mv_type = MV_TYPE_16X16 ;
2002-03-27 22:25:22 +01:00
// only one MB-Type possible
2005-12-17 19:14:38 +01:00
2002-04-19 05:25:20 +02:00
switch ( mb_type ) {
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case CANDIDATE_MB_TYPE_INTRA :
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s - > mv_dir = 0 ;
2002-03-27 22:25:22 +01:00
s - > mb_intra = 1 ;
2002-04-17 06:32:12 +02:00
motion_x = s - > mv [ 0 ] [ 0 ] [ 0 ] = 0 ;
motion_y = s - > mv [ 0 ] [ 0 ] [ 1 ] = 0 ;
2002-04-19 05:25:20 +02:00
break ;
2003-12-30 17:07:57 +01:00
case CANDIDATE_MB_TYPE_INTER :
2002-04-17 06:32:12 +02:00
s - > mv_dir = MV_DIR_FORWARD ;
s - > mb_intra = 0 ;
motion_x = s - > mv [ 0 ] [ 0 ] [ 0 ] = s - > p_mv_table [ xy ] [ 0 ] ;
motion_y = s - > mv [ 0 ] [ 0 ] [ 1 ] = s - > p_mv_table [ xy ] [ 1 ] ;
2002-04-19 05:25:20 +02:00
break ;
2003-12-30 17:07:57 +01:00
case CANDIDATE_MB_TYPE_INTER_I :
s - > mv_dir = MV_DIR_FORWARD ;
s - > mv_type = MV_TYPE_FIELD ;
s - > mb_intra = 0 ;
for ( i = 0 ; i < 2 ; i + + ) {
j = s - > field_select [ 0 ] [ i ] = s - > p_field_select_table [ i ] [ xy ] ;
s - > mv [ 0 ] [ i ] [ 0 ] = s - > p_field_mv_table [ i ] [ j ] [ xy ] [ 0 ] ;
s - > mv [ 0 ] [ i ] [ 1 ] = s - > p_field_mv_table [ i ] [ j ] [ xy ] [ 1 ] ;
}
motion_x = motion_y = 0 ;
break ;
case CANDIDATE_MB_TYPE_INTER4V :
2002-06-02 14:20:39 +02:00
s - > mv_dir = MV_DIR_FORWARD ;
s - > mv_type = MV_TYPE_8X8 ;
s - > mb_intra = 0 ;
for ( i = 0 ; i < 4 ; i + + ) {
2003-12-09 02:49:56 +01:00
s - > mv [ 0 ] [ i ] [ 0 ] = s - > current_picture . motion_val [ 0 ] [ s - > block_index [ i ] ] [ 0 ] ;
s - > mv [ 0 ] [ i ] [ 1 ] = s - > current_picture . motion_val [ 0 ] [ s - > block_index [ i ] ] [ 1 ] ;
2002-06-02 14:20:39 +02:00
}
motion_x = motion_y = 0 ;
break ;
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case CANDIDATE_MB_TYPE_DIRECT :
2002-04-17 06:32:12 +02:00
s - > mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT ;
s - > mb_intra = 0 ;
2002-04-19 05:25:20 +02:00
motion_x = s - > b_direct_mv_table [ xy ] [ 0 ] ;
motion_y = s - > b_direct_mv_table [ xy ] [ 1 ] ;
2002-12-28 00:51:46 +01:00
ff_mpeg4_set_direct_mv ( s , motion_x , motion_y ) ;
2002-04-19 05:25:20 +02:00
break ;
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case CANDIDATE_MB_TYPE_BIDIR :
2002-04-17 06:32:12 +02:00
s - > mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD ;
2002-03-27 22:25:22 +01:00
s - > mb_intra = 0 ;
2002-04-17 06:32:12 +02:00
motion_x = 0 ;
motion_y = 0 ;
s - > mv [ 0 ] [ 0 ] [ 0 ] = s - > b_bidir_forw_mv_table [ xy ] [ 0 ] ;
s - > mv [ 0 ] [ 0 ] [ 1 ] = s - > b_bidir_forw_mv_table [ xy ] [ 1 ] ;
s - > mv [ 1 ] [ 0 ] [ 0 ] = s - > b_bidir_back_mv_table [ xy ] [ 0 ] ;
s - > mv [ 1 ] [ 0 ] [ 1 ] = s - > b_bidir_back_mv_table [ xy ] [ 1 ] ;
2002-04-19 05:25:20 +02:00
break ;
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case CANDIDATE_MB_TYPE_BACKWARD :
2002-04-17 06:32:12 +02:00
s - > mv_dir = MV_DIR_BACKWARD ;
s - > mb_intra = 0 ;
motion_x = s - > mv [ 1 ] [ 0 ] [ 0 ] = s - > b_back_mv_table [ xy ] [ 0 ] ;
motion_y = s - > mv [ 1 ] [ 0 ] [ 1 ] = s - > b_back_mv_table [ xy ] [ 1 ] ;
2002-04-19 05:25:20 +02:00
break ;
2003-12-30 17:07:57 +01:00
case CANDIDATE_MB_TYPE_FORWARD :
2002-04-17 06:32:12 +02:00
s - > mv_dir = MV_DIR_FORWARD ;
s - > mb_intra = 0 ;
motion_x = s - > mv [ 0 ] [ 0 ] [ 0 ] = s - > b_forw_mv_table [ xy ] [ 0 ] ;
motion_y = s - > mv [ 0 ] [ 0 ] [ 1 ] = s - > b_forw_mv_table [ xy ] [ 1 ] ;
// printf(" %d %d ", motion_x, motion_y);
2002-04-19 05:25:20 +02:00
break ;
2003-12-30 17:07:57 +01:00
case CANDIDATE_MB_TYPE_FORWARD_I :
s - > mv_dir = MV_DIR_FORWARD ;
s - > mv_type = MV_TYPE_FIELD ;
s - > mb_intra = 0 ;
for ( i = 0 ; i < 2 ; i + + ) {
j = s - > field_select [ 0 ] [ i ] = s - > b_field_select_table [ 0 ] [ i ] [ xy ] ;
s - > mv [ 0 ] [ i ] [ 0 ] = s - > b_field_mv_table [ 0 ] [ i ] [ j ] [ xy ] [ 0 ] ;
s - > mv [ 0 ] [ i ] [ 1 ] = s - > b_field_mv_table [ 0 ] [ i ] [ j ] [ xy ] [ 1 ] ;
}
motion_x = motion_y = 0 ;
break ;
case CANDIDATE_MB_TYPE_BACKWARD_I :
s - > mv_dir = MV_DIR_BACKWARD ;
s - > mv_type = MV_TYPE_FIELD ;
s - > mb_intra = 0 ;
for ( i = 0 ; i < 2 ; i + + ) {
j = s - > field_select [ 1 ] [ i ] = s - > b_field_select_table [ 1 ] [ i ] [ xy ] ;
s - > mv [ 1 ] [ i ] [ 0 ] = s - > b_field_mv_table [ 1 ] [ i ] [ j ] [ xy ] [ 0 ] ;
s - > mv [ 1 ] [ i ] [ 1 ] = s - > b_field_mv_table [ 1 ] [ i ] [ j ] [ xy ] [ 1 ] ;
}
motion_x = motion_y = 0 ;
break ;
case CANDIDATE_MB_TYPE_BIDIR_I :
s - > mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD ;
s - > mv_type = MV_TYPE_FIELD ;
s - > mb_intra = 0 ;
for ( dir = 0 ; dir < 2 ; dir + + ) {
for ( i = 0 ; i < 2 ; i + + ) {
j = s - > field_select [ dir ] [ i ] = s - > b_field_select_table [ dir ] [ i ] [ xy ] ;
s - > mv [ dir ] [ i ] [ 0 ] = s - > b_field_mv_table [ dir ] [ i ] [ j ] [ xy ] [ 0 ] ;
s - > mv [ dir ] [ i ] [ 1 ] = s - > b_field_mv_table [ dir ] [ i ] [ j ] [ xy ] [ 1 ] ;
}
}
motion_x = motion_y = 0 ;
break ;
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default :
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motion_x = motion_y = 0 ; //gcc warning fix
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av_log ( s - > avctx , AV_LOG_ERROR , " illegal MB type \n " ) ;
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}
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2002-04-17 06:32:12 +02:00
encode_mb ( s , motion_x , motion_y ) ;
2003-02-08 13:00:57 +01:00
2005-04-24 13:13:49 +02:00
// RAL: Update last macroblock type
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s - > last_mv_dir = s - > mv_dir ;
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2003-07-29 04:09:12 +02:00
if ( s - > out_format = = FMT_H263 & & s - > pict_type ! = B_TYPE )
ff_h263_update_motion_val ( s ) ;
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2003-07-29 04:09:12 +02:00
MPV_decode_mb ( s , s - > block ) ;
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}
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2002-04-19 05:25:20 +02:00
/* clean the MV table in IPS frames for direct mode in B frames */
if ( s - > mb_intra /* && I,P,S_TYPE */ ) {
s - > p_mv_table [ xy ] [ 0 ] = 0 ;
s - > p_mv_table [ xy ] [ 1 ] = 0 ;
}
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2002-12-04 22:13:02 +01:00
if ( s - > flags & CODEC_FLAG_PSNR ) {
int w = 16 ;
int h = 16 ;
if ( s - > mb_x * 16 + 16 > s - > width ) w = s - > width - s - > mb_x * 16 ;
if ( s - > mb_y * 16 + 16 > s - > height ) h = s - > height - s - > mb_y * 16 ;
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2005-12-07 19:21:16 +01:00
s - > current_picture . error [ 0 ] + = sse (
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s , s - > new_picture . data [ 0 ] + s - > mb_x * 16 + s - > mb_y * s - > linesize * 16 ,
s - > dest [ 0 ] , w , h , s - > linesize ) ;
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s - > current_picture . error [ 1 ] + = sse (
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s , s - > new_picture . data [ 1 ] + s - > mb_x * 8 + s - > mb_y * s - > uvlinesize * 8 ,
s - > dest [ 1 ] , w > > 1 , h > > 1 , s - > uvlinesize ) ;
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s - > current_picture . error [ 2 ] + = sse (
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s , s - > new_picture . data [ 2 ] + s - > mb_x * 8 + s - > mb_y * s - > uvlinesize * 8 ,
s - > dest [ 2 ] , w > > 1 , h > > 1 , s - > uvlinesize ) ;
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}
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if ( s - > loop_filter ) {
if ( s - > out_format = = FMT_H263 )
ff_h263_loop_filter ( s ) ;
}
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//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
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}
}
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//not beautiful here but we must write it before flushing so it has to be here
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if ( s - > msmpeg4_version & & s - > msmpeg4_version < 4 & & s - > pict_type = = I_TYPE )
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msmpeg4_encode_ext_header ( s ) ;
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write_slice_end ( s ) ;
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/* Send the last GOB if RTP */
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if ( s - > avctx - > rtp_callback ) {
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int number_mb = ( mb_y - s - > resync_mb_y ) * s - > mb_width - s - > resync_mb_x ;
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pdif = pbBufPtr ( & s - > pb ) - s - > ptr_lastgob ;
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/* Call the RTP callback to send the last GOB */
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emms_c ( ) ;
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s - > avctx - > rtp_callback ( s - > avctx , s - > ptr_lastgob , pdif , number_mb ) ;
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}
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return 0 ;
}
# define MERGE(field) dst->field += src->field; src->field=0
static void merge_context_after_me ( MpegEncContext * dst , MpegEncContext * src ) {
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MERGE ( me . scene_change_score ) ;
MERGE ( me . mc_mb_var_sum_temp ) ;
MERGE ( me . mb_var_sum_temp ) ;
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}
static void merge_context_after_encode ( MpegEncContext * dst , MpegEncContext * src ) {
int i ;
MERGE ( dct_count [ 0 ] ) ; //note, the other dct vars are not part of the context
MERGE ( dct_count [ 1 ] ) ;
MERGE ( mv_bits ) ;
MERGE ( i_tex_bits ) ;
MERGE ( p_tex_bits ) ;
MERGE ( i_count ) ;
MERGE ( f_count ) ;
MERGE ( b_count ) ;
MERGE ( skip_count ) ;
MERGE ( misc_bits ) ;
MERGE ( error_count ) ;
MERGE ( padding_bug_score ) ;
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MERGE ( current_picture . error [ 0 ] ) ;
MERGE ( current_picture . error [ 1 ] ) ;
MERGE ( current_picture . error [ 2 ] ) ;
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if ( dst - > avctx - > noise_reduction ) {
for ( i = 0 ; i < 64 ; i + + ) {
MERGE ( dct_error_sum [ 0 ] [ i ] ) ;
MERGE ( dct_error_sum [ 1 ] [ i ] ) ;
}
}
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assert ( put_bits_count ( & src - > pb ) % 8 = = 0 ) ;
assert ( put_bits_count ( & dst - > pb ) % 8 = = 0 ) ;
ff_copy_bits ( & dst - > pb , src - > pb . buf , put_bits_count ( & src - > pb ) ) ;
flush_put_bits ( & dst - > pb ) ;
}
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static void estimate_qp ( MpegEncContext * s , int dry_run ) {
if ( ! s - > fixed_qscale )
s - > current_picture_ptr - > quality =
s - > current_picture . quality = ff_rate_estimate_qscale ( s , dry_run ) ;
if ( s - > adaptive_quant ) {
switch ( s - > codec_id ) {
case CODEC_ID_MPEG4 :
ff_clean_mpeg4_qscales ( s ) ;
break ;
case CODEC_ID_H263 :
case CODEC_ID_H263P :
case CODEC_ID_FLV1 :
ff_clean_h263_qscales ( s ) ;
break ;
}
s - > lambda = s - > lambda_table [ 0 ] ;
//FIXME broken
} else
s - > lambda = s - > current_picture . quality ;
//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
update_qscale ( s ) ;
}
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static void encode_picture ( MpegEncContext * s , int picture_number )
{
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int i ;
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int bits ;
s - > picture_number = picture_number ;
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2004-02-13 18:54:10 +01:00
/* Reset the average MB variance */
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s - > me . mb_var_sum_temp =
s - > me . mc_mb_var_sum_temp = 0 ;
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/* we need to initialize some time vars before we can encode b-frames */
// RAL: Condition added for MPEG1VIDEO
if ( s - > codec_id = = CODEC_ID_MPEG1VIDEO | | s - > codec_id = = CODEC_ID_MPEG2VIDEO | | ( s - > h263_pred & & ! s - > h263_msmpeg4 ) )
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ff_set_mpeg4_time ( s , s - > picture_number ) ; //FIXME rename and use has_b_frames or similar
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s - > me . scene_change_score = 0 ;
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2004-06-03 21:29:47 +02:00
// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME ratedistoration
2005-12-17 19:14:38 +01:00
2004-02-13 18:54:10 +01:00
if ( s - > pict_type = = I_TYPE ) {
if ( s - > msmpeg4_version > = 3 ) s - > no_rounding = 1 ;
else s - > no_rounding = 0 ;
} else if ( s - > pict_type ! = B_TYPE ) {
if ( s - > flipflop_rounding | | s - > codec_id = = CODEC_ID_H263P | | s - > codec_id = = CODEC_ID_MPEG4 )
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s - > no_rounding ^ = 1 ;
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}
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2005-12-22 23:48:09 +01:00
if ( s - > flags & CODEC_FLAG_PASS2 ) {
2005-12-19 14:41:27 +01:00
estimate_qp ( s , 1 ) ;
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ff_get_2pass_fcode ( s ) ;
} else if ( ! ( s - > flags & CODEC_FLAG_QSCALE ) ) {
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if ( s - > pict_type = = B_TYPE )
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s - > lambda = s - > last_lambda_for [ s - > pict_type ] ;
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else
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s - > lambda = s - > last_lambda_for [ s - > last_non_b_pict_type ] ;
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update_qscale ( s ) ;
}
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s - > mb_intra = 0 ; //for the rate distortion & bit compare functions
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for ( i = 1 ; i < s - > avctx - > thread_count ; i + + ) {
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ff_update_duplicate_context ( s - > thread_context [ i ] , s ) ;
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}
2004-04-24 05:36:37 +02:00
ff_init_me ( s ) ;
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/* Estimate motion for every MB */
if ( s - > pict_type ! = I_TYPE ) {
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s - > lambda = ( s - > lambda * s - > avctx - > me_penalty_compensation + 128 ) > > 8 ;
s - > lambda2 = ( s - > lambda2 * s - > avctx - > me_penalty_compensation + 128 ) > > 8 ;
2004-04-23 21:06:30 +02:00
if ( s - > pict_type ! = B_TYPE & & s - > avctx - > me_threshold = = 0 ) {
2004-02-13 18:54:10 +01:00
if ( ( s - > avctx - > pre_me & & s - > last_non_b_pict_type = = I_TYPE ) | | s - > avctx - > pre_me = = 2 ) {
s - > avctx - > execute ( s - > avctx , pre_estimate_motion_thread , ( void * * ) & ( s - > thread_context [ 0 ] ) , NULL , s - > avctx - > thread_count ) ;
}
}
s - > avctx - > execute ( s - > avctx , estimate_motion_thread , ( void * * ) & ( s - > thread_context [ 0 ] ) , NULL , s - > avctx - > thread_count ) ;
} else /* if(s->pict_type == I_TYPE) */ {
/* I-Frame */
for ( i = 0 ; i < s - > mb_stride * s - > mb_height ; i + + )
s - > mb_type [ i ] = CANDIDATE_MB_TYPE_INTRA ;
2005-12-17 19:14:38 +01:00
2004-02-13 18:54:10 +01:00
if ( ! s - > fixed_qscale ) {
/* finding spatial complexity for I-frame rate control */
2004-02-14 04:21:03 +01:00
s - > avctx - > execute ( s - > avctx , mb_var_thread , ( void * * ) & ( s - > thread_context [ 0 ] ) , NULL , s - > avctx - > thread_count ) ;
2004-02-13 18:54:10 +01:00
}
}
2004-02-14 04:21:03 +01:00
for ( i = 1 ; i < s - > avctx - > thread_count ; i + + ) {
merge_context_after_me ( s , s - > thread_context [ i ] ) ;
}
2004-05-11 03:38:46 +02:00
s - > current_picture . mc_mb_var_sum = s - > current_picture_ptr - > mc_mb_var_sum = s - > me . mc_mb_var_sum_temp ;
s - > current_picture . mb_var_sum = s - > current_picture_ptr - > mb_var_sum = s - > me . mb_var_sum_temp ;
2004-02-13 18:54:10 +01:00
emms_c ( ) ;
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if ( s - > me . scene_change_score > s - > avctx - > scenechange_threshold & & s - > pict_type = = P_TYPE ) {
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s - > pict_type = I_TYPE ;
for ( i = 0 ; i < s - > mb_stride * s - > mb_height ; i + + )
s - > mb_type [ i ] = CANDIDATE_MB_TYPE_INTRA ;
//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
}
if ( ! s - > umvplus ) {
if ( s - > pict_type = = P_TYPE | | s - > pict_type = = S_TYPE ) {
s - > f_code = ff_get_best_fcode ( s , s - > p_mv_table , CANDIDATE_MB_TYPE_INTER ) ;
if ( s - > flags & CODEC_FLAG_INTERLACED_ME ) {
int a , b ;
a = ff_get_best_fcode ( s , s - > p_field_mv_table [ 0 ] [ 0 ] , CANDIDATE_MB_TYPE_INTER_I ) ; //FIXME field_select
b = ff_get_best_fcode ( s , s - > p_field_mv_table [ 1 ] [ 1 ] , CANDIDATE_MB_TYPE_INTER_I ) ;
s - > f_code = FFMAX ( s - > f_code , FFMAX ( a , b ) ) ;
}
2005-12-17 19:14:38 +01:00
2004-02-13 18:54:10 +01:00
ff_fix_long_p_mvs ( s ) ;
ff_fix_long_mvs ( s , NULL , 0 , s - > p_mv_table , s - > f_code , CANDIDATE_MB_TYPE_INTER , 0 ) ;
if ( s - > flags & CODEC_FLAG_INTERLACED_ME ) {
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int j ;
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for ( i = 0 ; i < 2 ; i + + ) {
for ( j = 0 ; j < 2 ; j + + )
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ff_fix_long_mvs ( s , s - > p_field_select_table [ i ] , j ,
2004-02-13 18:54:10 +01:00
s - > p_field_mv_table [ i ] [ j ] , s - > f_code , CANDIDATE_MB_TYPE_INTER_I , 0 ) ;
}
}
}
if ( s - > pict_type = = B_TYPE ) {
int a , b ;
a = ff_get_best_fcode ( s , s - > b_forw_mv_table , CANDIDATE_MB_TYPE_FORWARD ) ;
b = ff_get_best_fcode ( s , s - > b_bidir_forw_mv_table , CANDIDATE_MB_TYPE_BIDIR ) ;
s - > f_code = FFMAX ( a , b ) ;
a = ff_get_best_fcode ( s , s - > b_back_mv_table , CANDIDATE_MB_TYPE_BACKWARD ) ;
b = ff_get_best_fcode ( s , s - > b_bidir_back_mv_table , CANDIDATE_MB_TYPE_BIDIR ) ;
s - > b_code = FFMAX ( a , b ) ;
ff_fix_long_mvs ( s , NULL , 0 , s - > b_forw_mv_table , s - > f_code , CANDIDATE_MB_TYPE_FORWARD , 1 ) ;
ff_fix_long_mvs ( s , NULL , 0 , s - > b_back_mv_table , s - > b_code , CANDIDATE_MB_TYPE_BACKWARD , 1 ) ;
ff_fix_long_mvs ( s , NULL , 0 , s - > b_bidir_forw_mv_table , s - > f_code , CANDIDATE_MB_TYPE_BIDIR , 1 ) ;
ff_fix_long_mvs ( s , NULL , 0 , s - > b_bidir_back_mv_table , s - > b_code , CANDIDATE_MB_TYPE_BIDIR , 1 ) ;
if ( s - > flags & CODEC_FLAG_INTERLACED_ME ) {
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int dir , j ;
2004-02-13 18:54:10 +01:00
for ( dir = 0 ; dir < 2 ; dir + + ) {
for ( i = 0 ; i < 2 ; i + + ) {
for ( j = 0 ; j < 2 ; j + + ) {
2005-12-17 19:14:38 +01:00
int type = dir ? ( CANDIDATE_MB_TYPE_BACKWARD_I | CANDIDATE_MB_TYPE_BIDIR_I )
2004-02-13 18:54:10 +01:00
: ( CANDIDATE_MB_TYPE_FORWARD_I | CANDIDATE_MB_TYPE_BIDIR_I ) ;
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ff_fix_long_mvs ( s , s - > b_field_select_table [ dir ] [ i ] , j ,
2004-02-13 18:54:10 +01:00
s - > b_field_mv_table [ dir ] [ i ] [ j ] , dir ? s - > b_code : s - > f_code , type , 1 ) ;
}
}
}
}
}
}
2005-12-19 14:41:27 +01:00
estimate_qp ( s , 0 ) ;
2005-12-17 19:14:38 +01:00
if ( s - > qscale < 3 & & s - > max_qcoeff < = 128 & & s - > pict_type = = I_TYPE & & ! ( s - > flags & CODEC_FLAG_QSCALE ) )
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s - > qscale = 3 ; //reduce clipping problems
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2004-02-13 18:54:10 +01:00
if ( s - > out_format = = FMT_MJPEG ) {
/* for mjpeg, we do include qscale in the matrix */
s - > intra_matrix [ 0 ] = ff_mpeg1_default_intra_matrix [ 0 ] ;
for ( i = 1 ; i < 64 ; i + + ) {
int j = s - > dsp . idct_permutation [ i ] ;
2006-05-01 02:28:36 +02:00
s - > intra_matrix [ j ] = clip_uint8 ( ( ff_mpeg1_default_intra_matrix [ i ] * s - > qscale ) > > 3 ) ;
2004-02-13 18:54:10 +01:00
}
2005-12-17 19:14:38 +01:00
convert_matrix ( & s - > dsp , s - > q_intra_matrix , s - > q_intra_matrix16 ,
2004-12-11 19:33:18 +01:00
s - > intra_matrix , s - > intra_quant_bias , 8 , 8 , 1 ) ;
2004-02-13 18:54:10 +01:00
s - > qscale = 8 ;
}
2005-12-17 19:14:38 +01:00
2004-02-13 18:54:10 +01:00
//FIXME var duplication
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s - > current_picture_ptr - > key_frame =
2004-02-13 18:54:10 +01:00
s - > current_picture . key_frame = s - > pict_type = = I_TYPE ; //FIXME pic_ptr
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s - > current_picture_ptr - > pict_type =
2004-02-13 18:54:10 +01:00
s - > current_picture . pict_type = s - > pict_type ;
if ( s - > current_picture . key_frame )
s - > picture_in_gop_number = 0 ;
s - > last_bits = put_bits_count ( & s - > pb ) ;
switch ( s - > out_format ) {
case FMT_MJPEG :
mjpeg_picture_header ( s ) ;
break ;
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# ifdef CONFIG_H261_ENCODER
2004-10-28 12:12:57 +02:00
case FMT_H261 :
ff_h261_encode_picture_header ( s , picture_number ) ;
break ;
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# endif
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case FMT_H263 :
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if ( s - > codec_id = = CODEC_ID_WMV2 )
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ff_wmv2_encode_picture_header ( s , picture_number ) ;
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else if ( s - > h263_msmpeg4 )
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msmpeg4_encode_picture_header ( s , picture_number ) ;
else if ( s - > h263_pred )
mpeg4_encode_picture_header ( s , picture_number ) ;
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# ifdef CONFIG_RV10_ENCODER
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else if ( s - > codec_id = = CODEC_ID_RV10 )
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rv10_encode_picture_header ( s , picture_number ) ;
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# endif
# ifdef CONFIG_RV20_ENCODER
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else if ( s - > codec_id = = CODEC_ID_RV20 )
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rv20_encode_picture_header ( s , picture_number ) ;
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# endif
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else if ( s - > codec_id = = CODEC_ID_FLV1 )
ff_flv_encode_picture_header ( s , picture_number ) ;
else
h263_encode_picture_header ( s , picture_number ) ;
break ;
case FMT_MPEG1 :
mpeg1_encode_picture_header ( s , picture_number ) ;
break ;
case FMT_H264 :
break ;
default :
assert ( 0 ) ;
}
bits = put_bits_count ( & s - > pb ) ;
s - > header_bits = bits - s - > last_bits ;
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2004-02-13 18:54:10 +01:00
for ( i = 1 ; i < s - > avctx - > thread_count ; i + + ) {
update_duplicate_context_after_me ( s - > thread_context [ i ] , s ) ;
}
s - > avctx - > execute ( s - > avctx , encode_thread , ( void * * ) & ( s - > thread_context [ 0 ] ) , NULL , s - > avctx - > thread_count ) ;
for ( i = 1 ; i < s - > avctx - > thread_count ; i + + ) {
merge_context_after_encode ( s , s - > thread_context [ i ] ) ;
}
emms_c ( ) ;
2001-07-22 16:18:56 +02:00
}
2003-12-13 03:14:18 +01:00
# endif //CONFIG_ENCODERS
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static void denoise_dct_c ( MpegEncContext * s , DCTELEM * block ) {
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const int intra = s - > mb_intra ;
int i ;
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s - > dct_count [ intra ] + + ;
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for ( i = 0 ; i < 64 ; i + + ) {
int level = block [ i ] ;
if ( level ) {
if ( level > 0 ) {
s - > dct_error_sum [ intra ] [ i ] + = level ;
level - = s - > dct_offset [ intra ] [ i ] ;
if ( level < 0 ) level = 0 ;
} else {
s - > dct_error_sum [ intra ] [ i ] - = level ;
level + = s - > dct_offset [ intra ] [ i ] ;
if ( level > 0 ) level = 0 ;
}
block [ i ] = level ;
}
}
}
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# ifdef CONFIG_ENCODERS
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static int dct_quantize_trellis_c ( MpegEncContext * s ,
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DCTELEM * block , int n ,
int qscale , int * overflow ) {
const int * qmat ;
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const uint8_t * scantable = s - > intra_scantable . scantable ;
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const uint8_t * perm_scantable = s - > intra_scantable . permutated ;
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int max = 0 ;
unsigned int threshold1 , threshold2 ;
int bias = 0 ;
int run_tab [ 65 ] ;
int level_tab [ 65 ] ;
int score_tab [ 65 ] ;
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int survivor [ 65 ] ;
int survivor_count ;
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int last_run = 0 ;
int last_level = 0 ;
int last_score = 0 ;
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int last_i ;
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int coeff [ 2 ] [ 64 ] ;
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int coeff_count [ 64 ] ;
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int qmul , qadd , start_i , last_non_zero , i , dc ;
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const int esc_length = s - > ac_esc_length ;
uint8_t * length ;
uint8_t * last_length ;
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const int lambda = s - > lambda2 > > ( FF_LAMBDA_SHIFT - 6 ) ;
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s - > dsp . fdct ( block ) ;
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if ( s - > dct_error_sum )
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s - > denoise_dct ( s , block ) ;
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qmul = qscale * 16 ;
qadd = ( ( qscale - 1 ) | 1 ) * 8 ;
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if ( s - > mb_intra ) {
int q ;
if ( ! s - > h263_aic ) {
if ( n < 4 )
q = s - > y_dc_scale ;
else
q = s - > c_dc_scale ;
q = q < < 3 ;
} else {
/* For AIC we skip quant/dequant of INTRADC */
q = 1 < < 3 ;
qadd = 0 ;
}
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/* note: block[0] is assumed to be positive */
block [ 0 ] = ( block [ 0 ] + ( q > > 1 ) ) / q ;
start_i = 1 ;
last_non_zero = 0 ;
qmat = s - > q_intra_matrix [ qscale ] ;
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if ( s - > mpeg_quant | | s - > out_format = = FMT_MPEG1 )
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bias = 1 < < ( QMAT_SHIFT - 1 ) ;
length = s - > intra_ac_vlc_length ;
last_length = s - > intra_ac_vlc_last_length ;
} else {
start_i = 0 ;
last_non_zero = - 1 ;
qmat = s - > q_inter_matrix [ qscale ] ;
length = s - > inter_ac_vlc_length ;
last_length = s - > inter_ac_vlc_last_length ;
}
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last_i = start_i ;
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threshold1 = ( 1 < < QMAT_SHIFT ) - bias - 1 ;
threshold2 = ( threshold1 < < 1 ) ;
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for ( i = 63 ; i > = start_i ; i - - ) {
const int j = scantable [ i ] ;
int level = block [ j ] * qmat [ j ] ;
if ( ( ( unsigned ) ( level + threshold1 ) ) > threshold2 ) {
last_non_zero = i ;
break ;
}
}
for ( i = start_i ; i < = last_non_zero ; i + + ) {
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const int j = scantable [ i ] ;
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int level = block [ j ] * qmat [ j ] ;
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// if( bias+level >= (1<<(QMAT_SHIFT - 3))
// || bias-level >= (1<<(QMAT_SHIFT - 3))){
if ( ( ( unsigned ) ( level + threshold1 ) ) > threshold2 ) {
if ( level > 0 ) {
level = ( bias + level ) > > QMAT_SHIFT ;
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coeff [ 0 ] [ i ] = level ;
coeff [ 1 ] [ i ] = level - 1 ;
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// coeff[2][k]= level-2;
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} else {
level = ( bias - level ) > > QMAT_SHIFT ;
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coeff [ 0 ] [ i ] = - level ;
coeff [ 1 ] [ i ] = - level + 1 ;
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// coeff[2][k]= -level+2;
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}
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coeff_count [ i ] = FFMIN ( level , 2 ) ;
assert ( coeff_count [ i ] ) ;
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max | = level ;
} else {
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coeff [ 0 ] [ i ] = ( level > > 31 ) | 1 ;
coeff_count [ i ] = 1 ;
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}
}
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* overflow = s - > max_qcoeff < max ; //overflow might have happened
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if ( last_non_zero < start_i ) {
memset ( block + start_i , 0 , ( 64 - start_i ) * sizeof ( DCTELEM ) ) ;
return last_non_zero ;
}
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score_tab [ start_i ] = 0 ;
survivor [ 0 ] = start_i ;
survivor_count = 1 ;
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for ( i = start_i ; i < = last_non_zero ; i + + ) {
int level_index , j ;
const int dct_coeff = ABS ( block [ scantable [ i ] ] ) ;
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const int zero_distoration = dct_coeff * dct_coeff ;
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int best_score = 256 * 256 * 256 * 120 ;
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for ( level_index = 0 ; level_index < coeff_count [ i ] ; level_index + + ) {
int distoration ;
int level = coeff [ level_index ] [ i ] ;
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const int alevel = ABS ( level ) ;
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int unquant_coeff ;
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assert ( level ) ;
if ( s - > out_format = = FMT_H263 ) {
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unquant_coeff = alevel * qmul + qadd ;
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} else { //MPEG1
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j = s - > dsp . idct_permutation [ scantable [ i ] ] ; //FIXME optimize
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if ( s - > mb_intra ) {
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unquant_coeff = ( int ) ( alevel * qscale * s - > intra_matrix [ j ] ) > > 3 ;
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unquant_coeff = ( unquant_coeff - 1 ) | 1 ;
} else {
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unquant_coeff = ( ( ( alevel < < 1 ) + 1 ) * qscale * ( ( int ) s - > inter_matrix [ j ] ) ) > > 4 ;
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unquant_coeff = ( unquant_coeff - 1 ) | 1 ;
}
unquant_coeff < < = 3 ;
}
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distoration = ( unquant_coeff - dct_coeff ) * ( unquant_coeff - dct_coeff ) - zero_distoration ;
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level + = 64 ;
if ( ( level & ( ~ 127 ) ) = = 0 ) {
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for ( j = survivor_count - 1 ; j > = 0 ; j - - ) {
int run = i - survivor [ j ] ;
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int score = distoration + length [ UNI_AC_ENC_INDEX ( run , level ) ] * lambda ;
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score + = score_tab [ i - run ] ;
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if ( score < best_score ) {
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best_score = score ;
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run_tab [ i + 1 ] = run ;
level_tab [ i + 1 ] = level - 64 ;
}
}
if ( s - > out_format = = FMT_H263 ) {
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for ( j = survivor_count - 1 ; j > = 0 ; j - - ) {
int run = i - survivor [ j ] ;
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int score = distoration + last_length [ UNI_AC_ENC_INDEX ( run , level ) ] * lambda ;
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score + = score_tab [ i - run ] ;
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if ( score < last_score ) {
last_score = score ;
last_run = run ;
last_level = level - 64 ;
last_i = i + 1 ;
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}
}
}
} else {
distoration + = esc_length * lambda ;
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for ( j = survivor_count - 1 ; j > = 0 ; j - - ) {
int run = i - survivor [ j ] ;
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int score = distoration + score_tab [ i - run ] ;
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if ( score < best_score ) {
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best_score = score ;
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run_tab [ i + 1 ] = run ;
level_tab [ i + 1 ] = level - 64 ;
}
}
if ( s - > out_format = = FMT_H263 ) {
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for ( j = survivor_count - 1 ; j > = 0 ; j - - ) {
int run = i - survivor [ j ] ;
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int score = distoration + score_tab [ i - run ] ;
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if ( score < last_score ) {
last_score = score ;
last_run = run ;
last_level = level - 64 ;
last_i = i + 1 ;
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}
}
}
}
}
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score_tab [ i + 1 ] = best_score ;
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//Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
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if ( last_non_zero < = 27 ) {
for ( ; survivor_count ; survivor_count - - ) {
if ( score_tab [ survivor [ survivor_count - 1 ] ] < = best_score )
break ;
}
} else {
for ( ; survivor_count ; survivor_count - - ) {
if ( score_tab [ survivor [ survivor_count - 1 ] ] < = best_score + lambda )
break ;
}
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}
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survivor [ survivor_count + + ] = i + 1 ;
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}
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if ( s - > out_format ! = FMT_H263 ) {
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last_score = 256 * 256 * 256 * 120 ;
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for ( i = survivor [ 0 ] ; i < = last_non_zero + 1 ; i + + ) {
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int score = score_tab [ i ] ;
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if ( i ) score + = lambda * 2 ; //FIXME exacter?
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if ( score < last_score ) {
last_score = score ;
last_i = i ;
last_level = level_tab [ i ] ;
last_run = run_tab [ i ] ;
}
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}
}
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s - > coded_score [ n ] = last_score ;
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dc = ABS ( block [ 0 ] ) ;
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last_non_zero = last_i - 1 ;
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memset ( block + start_i , 0 , ( 64 - start_i ) * sizeof ( DCTELEM ) ) ;
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if ( last_non_zero < start_i )
return last_non_zero ;
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if ( last_non_zero = = 0 & & start_i = = 0 ) {
int best_level = 0 ;
int best_score = dc * dc ;
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for ( i = 0 ; i < coeff_count [ 0 ] ; i + + ) {
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int level = coeff [ i ] [ 0 ] ;
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int alevel = ABS ( level ) ;
int unquant_coeff , score , distortion ;
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if ( s - > out_format = = FMT_H263 ) {
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unquant_coeff = ( alevel * qmul + qadd ) > > 3 ;
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} else { //MPEG1
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unquant_coeff = ( ( ( alevel < < 1 ) + 1 ) * qscale * ( ( int ) s - > inter_matrix [ 0 ] ) ) > > 4 ;
unquant_coeff = ( unquant_coeff - 1 ) | 1 ;
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}
unquant_coeff = ( unquant_coeff + 4 ) > > 3 ;
unquant_coeff < < = 3 + 3 ;
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distortion = ( unquant_coeff - dc ) * ( unquant_coeff - dc ) ;
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level + = 64 ;
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if ( ( level & ( ~ 127 ) ) = = 0 ) score = distortion + last_length [ UNI_AC_ENC_INDEX ( 0 , level ) ] * lambda ;
else score = distortion + esc_length * lambda ;
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if ( score < best_score ) {
best_score = score ;
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best_level = level - 64 ;
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}
}
block [ 0 ] = best_level ;
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s - > coded_score [ n ] = best_score - dc * dc ;
if ( best_level = = 0 ) return - 1 ;
else return last_non_zero ;
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}
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i = last_i ;
assert ( last_level ) ;
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block [ perm_scantable [ last_non_zero ] ] = last_level ;
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i - = last_run + 1 ;
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for ( ; i > start_i ; i - = run_tab [ i ] + 1 ) {
block [ perm_scantable [ i - 1 ] ] = level_tab [ i ] ;
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}
return last_non_zero ;
}
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//#define REFINE_STATS 1
static int16_t basis [ 64 ] [ 64 ] ;
static void build_basis ( uint8_t * perm ) {
int i , j , x , y ;
emms_c ( ) ;
for ( i = 0 ; i < 8 ; i + + ) {
for ( j = 0 ; j < 8 ; j + + ) {
for ( y = 0 ; y < 8 ; y + + ) {
for ( x = 0 ; x < 8 ; x + + ) {
double s = 0.25 * ( 1 < < BASIS_SHIFT ) ;
int index = 8 * i + j ;
int perm_index = perm [ index ] ;
if ( i = = 0 ) s * = sqrt ( 0.5 ) ;
if ( j = = 0 ) s * = sqrt ( 0.5 ) ;
basis [ perm_index ] [ 8 * x + y ] = lrintf ( s * cos ( ( M_PI / 8.0 ) * i * ( x + 0.5 ) ) * cos ( ( M_PI / 8.0 ) * j * ( y + 0.5 ) ) ) ;
}
}
}
}
}
static int dct_quantize_refine ( MpegEncContext * s , //FIXME breaks denoise?
DCTELEM * block , int16_t * weight , DCTELEM * orig ,
int n , int qscale ) {
int16_t rem [ 64 ] ;
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DECLARE_ALIGNED_16 ( DCTELEM , d1 [ 64 ] ) ;
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const int * qmat ;
const uint8_t * scantable = s - > intra_scantable . scantable ;
const uint8_t * perm_scantable = s - > intra_scantable . permutated ;
// unsigned int threshold1, threshold2;
// int bias=0;
int run_tab [ 65 ] ;
int prev_run = 0 ;
int prev_level = 0 ;
int qmul , qadd , start_i , last_non_zero , i , dc ;
uint8_t * length ;
uint8_t * last_length ;
int lambda ;
int rle_index , run , q , sum ;
# ifdef REFINE_STATS
static int count = 0 ;
static int after_last = 0 ;
static int to_zero = 0 ;
static int from_zero = 0 ;
static int raise = 0 ;
static int lower = 0 ;
static int messed_sign = 0 ;
# endif
if ( basis [ 0 ] [ 0 ] = = 0 )
build_basis ( s - > dsp . idct_permutation ) ;
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qmul = qscale * 2 ;
qadd = ( qscale - 1 ) | 1 ;
if ( s - > mb_intra ) {
if ( ! s - > h263_aic ) {
if ( n < 4 )
q = s - > y_dc_scale ;
else
q = s - > c_dc_scale ;
} else {
/* For AIC we skip quant/dequant of INTRADC */
q = 1 ;
qadd = 0 ;
}
q < < = RECON_SHIFT - 3 ;
/* note: block[0] is assumed to be positive */
dc = block [ 0 ] * q ;
// block[0] = (block[0] + (q >> 1)) / q;
start_i = 1 ;
qmat = s - > q_intra_matrix [ qscale ] ;
// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
// bias= 1<<(QMAT_SHIFT-1);
length = s - > intra_ac_vlc_length ;
last_length = s - > intra_ac_vlc_last_length ;
} else {
dc = 0 ;
start_i = 0 ;
qmat = s - > q_inter_matrix [ qscale ] ;
length = s - > inter_ac_vlc_length ;
last_length = s - > inter_ac_vlc_last_length ;
}
last_non_zero = s - > block_last_index [ n ] ;
# ifdef REFINE_STATS
{ START_TIMER
# endif
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dc + = ( 1 < < ( RECON_SHIFT - 1 ) ) ;
for ( i = 0 ; i < 64 ; i + + ) {
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rem [ i ] = dc - ( orig [ i ] < < RECON_SHIFT ) ; //FIXME use orig dirrectly instead of copying to rem[]
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}
# ifdef REFINE_STATS
STOP_TIMER ( " memset rem[] " ) }
# endif
sum = 0 ;
for ( i = 0 ; i < 64 ; i + + ) {
int one = 36 ;
int qns = 4 ;
int w ;
w = ABS ( weight [ i ] ) + qns * one ;
w = 15 + ( 48 * qns * one + w / 2 ) / w ; // 16 .. 63
weight [ i ] = w ;
// w=weight[i] = (63*qns + (w/2)) / w;
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assert ( w > 0 ) ;
assert ( w < ( 1 < < 6 ) ) ;
sum + = w * w ;
}
lambda = sum * ( uint64_t ) s - > lambda2 > > ( FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6 ) ;
# ifdef REFINE_STATS
{ START_TIMER
# endif
run = 0 ;
rle_index = 0 ;
for ( i = start_i ; i < = last_non_zero ; i + + ) {
int j = perm_scantable [ i ] ;
const int level = block [ j ] ;
int coeff ;
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if ( level ) {
if ( level < 0 ) coeff = qmul * level - qadd ;
else coeff = qmul * level + qadd ;
run_tab [ rle_index + + ] = run ;
run = 0 ;
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s - > dsp . add_8x8basis ( rem , basis [ j ] , coeff ) ;
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} else {
run + + ;
}
}
# ifdef REFINE_STATS
if ( last_non_zero > 0 ) {
STOP_TIMER ( " init rem[] " )
}
}
{ START_TIMER
# endif
for ( ; ; ) {
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int best_score = s - > dsp . try_8x8basis ( rem , weight , basis [ 0 ] , 0 ) ;
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int best_coeff = 0 ;
int best_change = 0 ;
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int run2 , best_unquant_change = 0 , analyze_gradient ;
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# ifdef REFINE_STATS
{ START_TIMER
# endif
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analyze_gradient = last_non_zero > 2 | | s - > avctx - > quantizer_noise_shaping > = 3 ;
if ( analyze_gradient ) {
# ifdef REFINE_STATS
{ START_TIMER
# endif
for ( i = 0 ; i < 64 ; i + + ) {
int w = weight [ i ] ;
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d1 [ i ] = ( rem [ i ] * w * w + ( 1 < < ( RECON_SHIFT + 12 - 1 ) ) ) > > ( RECON_SHIFT + 12 ) ;
}
# ifdef REFINE_STATS
STOP_TIMER ( " rem*w*w " ) }
{ START_TIMER
# endif
s - > dsp . fdct ( d1 ) ;
# ifdef REFINE_STATS
STOP_TIMER ( " dct " ) }
# endif
}
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if ( start_i ) {
const int level = block [ 0 ] ;
int change , old_coeff ;
assert ( s - > mb_intra ) ;
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old_coeff = q * level ;
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for ( change = - 1 ; change < = 1 ; change + = 2 ) {
int new_level = level + change ;
int score , new_coeff ;
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new_coeff = q * new_level ;
if ( new_coeff > = 2048 | | new_coeff < 0 )
continue ;
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score = s - > dsp . try_8x8basis ( rem , weight , basis [ 0 ] , new_coeff - old_coeff ) ;
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if ( score < best_score ) {
best_score = score ;
best_coeff = 0 ;
best_change = change ;
best_unquant_change = new_coeff - old_coeff ;
}
}
}
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run = 0 ;
rle_index = 0 ;
run2 = run_tab [ rle_index + + ] ;
prev_level = 0 ;
prev_run = 0 ;
for ( i = start_i ; i < 64 ; i + + ) {
int j = perm_scantable [ i ] ;
const int level = block [ j ] ;
int change , old_coeff ;
if ( s - > avctx - > quantizer_noise_shaping < 3 & & i > last_non_zero + 1 )
break ;
if ( level ) {
if ( level < 0 ) old_coeff = qmul * level - qadd ;
else old_coeff = qmul * level + qadd ;
run2 = run_tab [ rle_index + + ] ; //FIXME ! maybe after last
} else {
old_coeff = 0 ;
run2 - - ;
assert ( run2 > = 0 | | i > = last_non_zero ) ;
}
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for ( change = - 1 ; change < = 1 ; change + = 2 ) {
int new_level = level + change ;
int score , new_coeff , unquant_change ;
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score = 0 ;
if ( s - > avctx - > quantizer_noise_shaping < 2 & & ABS ( new_level ) > ABS ( level ) )
continue ;
if ( new_level ) {
if ( new_level < 0 ) new_coeff = qmul * new_level - qadd ;
else new_coeff = qmul * new_level + qadd ;
if ( new_coeff > = 2048 | | new_coeff < = - 2048 )
continue ;
//FIXME check for overflow
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if ( level ) {
if ( level < 63 & & level > - 63 ) {
if ( i < last_non_zero )
score + = length [ UNI_AC_ENC_INDEX ( run , new_level + 64 ) ]
- length [ UNI_AC_ENC_INDEX ( run , level + 64 ) ] ;
else
score + = last_length [ UNI_AC_ENC_INDEX ( run , new_level + 64 ) ]
- last_length [ UNI_AC_ENC_INDEX ( run , level + 64 ) ] ;
}
} else {
assert ( ABS ( new_level ) = = 1 ) ;
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if ( analyze_gradient ) {
int g = d1 [ scantable [ i ] ] ;
if ( g & & ( g ^ new_level ) > = 0 )
continue ;
}
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if ( i < last_non_zero ) {
int next_i = i + run2 + 1 ;
int next_level = block [ perm_scantable [ next_i ] ] + 64 ;
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if ( next_level & ( ~ 127 ) )
next_level = 0 ;
if ( next_i < last_non_zero )
score + = length [ UNI_AC_ENC_INDEX ( run , 65 ) ]
+ length [ UNI_AC_ENC_INDEX ( run2 , next_level ) ]
- length [ UNI_AC_ENC_INDEX ( run + run2 + 1 , next_level ) ] ;
else
score + = length [ UNI_AC_ENC_INDEX ( run , 65 ) ]
+ last_length [ UNI_AC_ENC_INDEX ( run2 , next_level ) ]
- last_length [ UNI_AC_ENC_INDEX ( run + run2 + 1 , next_level ) ] ;
} else {
score + = last_length [ UNI_AC_ENC_INDEX ( run , 65 ) ] ;
if ( prev_level ) {
score + = length [ UNI_AC_ENC_INDEX ( prev_run , prev_level ) ]
- last_length [ UNI_AC_ENC_INDEX ( prev_run , prev_level ) ] ;
}
}
}
} else {
new_coeff = 0 ;
assert ( ABS ( level ) = = 1 ) ;
if ( i < last_non_zero ) {
int next_i = i + run2 + 1 ;
int next_level = block [ perm_scantable [ next_i ] ] + 64 ;
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if ( next_level & ( ~ 127 ) )
next_level = 0 ;
if ( next_i < last_non_zero )
score + = length [ UNI_AC_ENC_INDEX ( run + run2 + 1 , next_level ) ]
- length [ UNI_AC_ENC_INDEX ( run2 , next_level ) ]
- length [ UNI_AC_ENC_INDEX ( run , 65 ) ] ;
else
score + = last_length [ UNI_AC_ENC_INDEX ( run + run2 + 1 , next_level ) ]
- last_length [ UNI_AC_ENC_INDEX ( run2 , next_level ) ]
- length [ UNI_AC_ENC_INDEX ( run , 65 ) ] ;
} else {
score + = - last_length [ UNI_AC_ENC_INDEX ( run , 65 ) ] ;
if ( prev_level ) {
score + = last_length [ UNI_AC_ENC_INDEX ( prev_run , prev_level ) ]
- length [ UNI_AC_ENC_INDEX ( prev_run , prev_level ) ] ;
}
}
}
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score * = lambda ;
unquant_change = new_coeff - old_coeff ;
assert ( ( score < 100 * lambda & & score > - 100 * lambda ) | | lambda = = 0 ) ;
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score + = s - > dsp . try_8x8basis ( rem , weight , basis [ j ] , unquant_change ) ;
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if ( score < best_score ) {
best_score = score ;
best_coeff = i ;
best_change = change ;
best_unquant_change = unquant_change ;
}
}
if ( level ) {
prev_level = level + 64 ;
if ( prev_level & ( ~ 127 ) )
prev_level = 0 ;
prev_run = run ;
run = 0 ;
} else {
run + + ;
}
}
# ifdef REFINE_STATS
STOP_TIMER ( " iterative step " ) }
# endif
if ( best_change ) {
int j = perm_scantable [ best_coeff ] ;
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block [ j ] + = best_change ;
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if ( best_coeff > last_non_zero ) {
last_non_zero = best_coeff ;
assert ( block [ j ] ) ;
# ifdef REFINE_STATS
after_last + + ;
# endif
} else {
# ifdef REFINE_STATS
if ( block [ j ] ) {
if ( block [ j ] - best_change ) {
if ( ABS ( block [ j ] ) > ABS ( block [ j ] - best_change ) ) {
raise + + ;
} else {
lower + + ;
}
} else {
from_zero + + ;
}
} else {
to_zero + + ;
}
# endif
for ( ; last_non_zero > = start_i ; last_non_zero - - ) {
if ( block [ perm_scantable [ last_non_zero ] ] )
break ;
}
}
# ifdef REFINE_STATS
count + + ;
if ( 256 * 256 * 256 * 64 % count = = 0 ) {
printf ( " after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d \n " , after_last , to_zero , from_zero , raise , lower , messed_sign , s - > mb_x , s - > mb_y , s - > picture_number ) ;
}
# endif
run = 0 ;
rle_index = 0 ;
for ( i = start_i ; i < = last_non_zero ; i + + ) {
int j = perm_scantable [ i ] ;
const int level = block [ j ] ;
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if ( level ) {
run_tab [ rle_index + + ] = run ;
run = 0 ;
} else {
run + + ;
}
}
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s - > dsp . add_8x8basis ( rem , basis [ j ] , best_unquant_change ) ;
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} else {
break ;
}
}
# ifdef REFINE_STATS
if ( last_non_zero > 0 ) {
STOP_TIMER ( " iterative search " )
}
}
# endif
return last_non_zero ;
}
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static int dct_quantize_c ( MpegEncContext * s ,
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DCTELEM * block , int n ,
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int qscale , int * overflow )
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{
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int i , j , level , last_non_zero , q , start_i ;
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const int * qmat ;
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const uint8_t * scantable = s - > intra_scantable . scantable ;
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int bias ;
int max = 0 ;
unsigned int threshold1 , threshold2 ;
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s - > dsp . fdct ( block ) ;
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if ( s - > dct_error_sum )
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s - > denoise_dct ( s , block ) ;
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if ( s - > mb_intra ) {
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if ( ! s - > h263_aic ) {
if ( n < 4 )
q = s - > y_dc_scale ;
else
q = s - > c_dc_scale ;
q = q < < 3 ;
} else
/* For AIC we skip quant/dequant of INTRADC */
q = 1 < < 3 ;
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/* note: block[0] is assumed to be positive */
block [ 0 ] = ( block [ 0 ] + ( q > > 1 ) ) / q ;
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start_i = 1 ;
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last_non_zero = 0 ;
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qmat = s - > q_intra_matrix [ qscale ] ;
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bias = s - > intra_quant_bias < < ( QMAT_SHIFT - QUANT_BIAS_SHIFT ) ;
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} else {
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start_i = 0 ;
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last_non_zero = - 1 ;
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qmat = s - > q_inter_matrix [ qscale ] ;
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bias = s - > inter_quant_bias < < ( QMAT_SHIFT - QUANT_BIAS_SHIFT ) ;
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}
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threshold1 = ( 1 < < QMAT_SHIFT ) - bias - 1 ;
threshold2 = ( threshold1 < < 1 ) ;
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for ( i = 63 ; i > = start_i ; i - - ) {
j = scantable [ i ] ;
level = block [ j ] * qmat [ j ] ;
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if ( ( ( unsigned ) ( level + threshold1 ) ) > threshold2 ) {
last_non_zero = i ;
break ;
} else {
block [ j ] = 0 ;
}
}
for ( i = start_i ; i < = last_non_zero ; i + + ) {
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j = scantable [ i ] ;
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level = block [ j ] * qmat [ j ] ;
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// if( bias+level >= (1<<QMAT_SHIFT)
// || bias-level >= (1<<QMAT_SHIFT)){
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if ( ( ( unsigned ) ( level + threshold1 ) ) > threshold2 ) {
if ( level > 0 ) {
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level = ( bias + level ) > > QMAT_SHIFT ;
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block [ j ] = level ;
} else {
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level = ( bias - level ) > > QMAT_SHIFT ;
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block [ j ] = - level ;
}
max | = level ;
} else {
block [ j ] = 0 ;
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}
}
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* overflow = s - > max_qcoeff < max ; //overflow might have happened
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/* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
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if ( s - > dsp . idct_permutation_type ! = FF_NO_IDCT_PERM )
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ff_block_permute ( block , s - > dsp . idct_permutation , scantable , last_non_zero ) ;
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return last_non_zero ;
}
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# endif //CONFIG_ENCODERS
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static void dct_unquantize_mpeg1_intra_c ( MpegEncContext * s ,
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DCTELEM * block , int n , int qscale )
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{
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int i , level , nCoeffs ;
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const uint16_t * quant_matrix ;
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nCoeffs = s - > block_last_index [ n ] ;
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if ( n < 4 )
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block [ 0 ] = block [ 0 ] * s - > y_dc_scale ;
else
block [ 0 ] = block [ 0 ] * s - > c_dc_scale ;
/* XXX: only mpeg1 */
quant_matrix = s - > intra_matrix ;
for ( i = 1 ; i < = nCoeffs ; i + + ) {
int j = s - > intra_scantable . permutated [ i ] ;
level = block [ j ] ;
if ( level ) {
if ( level < 0 ) {
level = - level ;
level = ( int ) ( level * qscale * quant_matrix [ j ] ) > > 3 ;
level = ( level - 1 ) | 1 ;
level = - level ;
} else {
level = ( int ) ( level * qscale * quant_matrix [ j ] ) > > 3 ;
level = ( level - 1 ) | 1 ;
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}
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block [ j ] = level ;
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}
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}
}
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static void dct_unquantize_mpeg1_inter_c ( MpegEncContext * s ,
2003-12-14 03:57:00 +01:00
DCTELEM * block , int n , int qscale )
{
int i , level , nCoeffs ;
const uint16_t * quant_matrix ;
nCoeffs = s - > block_last_index [ n ] ;
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quant_matrix = s - > inter_matrix ;
for ( i = 0 ; i < = nCoeffs ; i + + ) {
int j = s - > intra_scantable . permutated [ i ] ;
level = block [ j ] ;
if ( level ) {
if ( level < 0 ) {
level = - level ;
level = ( ( ( level < < 1 ) + 1 ) * qscale *
( ( int ) ( quant_matrix [ j ] ) ) ) > > 4 ;
level = ( level - 1 ) | 1 ;
level = - level ;
} else {
level = ( ( ( level < < 1 ) + 1 ) * qscale *
( ( int ) ( quant_matrix [ j ] ) ) ) > > 4 ;
level = ( level - 1 ) | 1 ;
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}
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block [ j ] = level ;
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}
}
}
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static void dct_unquantize_mpeg2_intra_c ( MpegEncContext * s ,
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DCTELEM * block , int n , int qscale )
{
int i , level , nCoeffs ;
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const uint16_t * quant_matrix ;
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2002-09-30 00:44:22 +02:00
if ( s - > alternate_scan ) nCoeffs = 63 ;
else nCoeffs = s - > block_last_index [ n ] ;
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if ( n < 4 )
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block [ 0 ] = block [ 0 ] * s - > y_dc_scale ;
else
block [ 0 ] = block [ 0 ] * s - > c_dc_scale ;
quant_matrix = s - > intra_matrix ;
for ( i = 1 ; i < = nCoeffs ; i + + ) {
int j = s - > intra_scantable . permutated [ i ] ;
level = block [ j ] ;
if ( level ) {
if ( level < 0 ) {
level = - level ;
level = ( int ) ( level * qscale * quant_matrix [ j ] ) > > 3 ;
level = - level ;
} else {
level = ( int ) ( level * qscale * quant_matrix [ j ] ) > > 3 ;
}
block [ j ] = level ;
}
}
}
2006-04-28 19:03:52 +02:00
static void dct_unquantize_mpeg2_intra_bitexact ( MpegEncContext * s ,
DCTELEM * block , int n , int qscale )
{
int i , level , nCoeffs ;
const uint16_t * quant_matrix ;
int sum = - 1 ;
if ( s - > alternate_scan ) nCoeffs = 63 ;
else nCoeffs = s - > block_last_index [ n ] ;
if ( n < 4 )
block [ 0 ] = block [ 0 ] * s - > y_dc_scale ;
else
block [ 0 ] = block [ 0 ] * s - > c_dc_scale ;
quant_matrix = s - > intra_matrix ;
for ( i = 1 ; i < = nCoeffs ; i + + ) {
int j = s - > intra_scantable . permutated [ i ] ;
level = block [ j ] ;
if ( level ) {
if ( level < 0 ) {
level = - level ;
level = ( int ) ( level * qscale * quant_matrix [ j ] ) > > 3 ;
level = - level ;
} else {
level = ( int ) ( level * qscale * quant_matrix [ j ] ) > > 3 ;
}
block [ j ] = level ;
sum + = level ;
}
}
block [ 63 ] ^ = sum & 1 ;
}
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static void dct_unquantize_mpeg2_inter_c ( MpegEncContext * s ,
2003-12-14 03:57:00 +01:00
DCTELEM * block , int n , int qscale )
{
int i , level , nCoeffs ;
const uint16_t * quant_matrix ;
int sum = - 1 ;
if ( s - > alternate_scan ) nCoeffs = 63 ;
else nCoeffs = s - > block_last_index [ n ] ;
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quant_matrix = s - > inter_matrix ;
for ( i = 0 ; i < = nCoeffs ; i + + ) {
int j = s - > intra_scantable . permutated [ i ] ;
level = block [ j ] ;
if ( level ) {
if ( level < 0 ) {
level = - level ;
level = ( ( ( level < < 1 ) + 1 ) * qscale *
( ( int ) ( quant_matrix [ j ] ) ) ) > > 4 ;
level = - level ;
} else {
level = ( ( ( level < < 1 ) + 1 ) * qscale *
( ( int ) ( quant_matrix [ j ] ) ) ) > > 4 ;
}
block [ j ] = level ;
sum + = level ;
}
}
block [ 63 ] ^ = sum & 1 ;
}
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static void dct_unquantize_h263_intra_c ( MpegEncContext * s ,
2003-12-14 03:57:00 +01:00
DCTELEM * block , int n , int qscale )
{
int i , level , qmul , qadd ;
int nCoeffs ;
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2003-12-14 03:57:00 +01:00
assert ( s - > block_last_index [ n ] > = 0 ) ;
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qmul = qscale < < 1 ;
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if ( ! s - > h263_aic ) {
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if ( n < 4 )
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block [ 0 ] = block [ 0 ] * s - > y_dc_scale ;
else
block [ 0 ] = block [ 0 ] * s - > c_dc_scale ;
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qadd = ( qscale - 1 ) | 1 ;
} else {
qadd = 0 ;
}
if ( s - > ac_pred )
nCoeffs = 63 ;
else
nCoeffs = s - > inter_scantable . raster_end [ s - > block_last_index [ n ] ] ;
for ( i = 1 ; i < = nCoeffs ; i + + ) {
level = block [ i ] ;
if ( level ) {
if ( level < 0 ) {
level = level * qmul - qadd ;
} else {
level = level * qmul + qadd ;
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}
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block [ i ] = level ;
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}
}
}
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static void dct_unquantize_h263_inter_c ( MpegEncContext * s ,
2001-07-31 01:26:26 +02:00
DCTELEM * block , int n , int qscale )
{
int i , level , qmul , qadd ;
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int nCoeffs ;
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assert ( s - > block_last_index [ n ] > = 0 ) ;
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qadd = ( qscale - 1 ) | 1 ;
qmul = qscale < < 1 ;
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nCoeffs = s - > inter_scantable . raster_end [ s - > block_last_index [ n ] ] ;
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2003-12-14 03:57:00 +01:00
for ( i = 0 ; i < = nCoeffs ; i + + ) {
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level = block [ i ] ;
if ( level ) {
if ( level < 0 ) {
level = level * qmul - qadd ;
} else {
level = level * qmul + qadd ;
}
block [ i ] = level ;
}
}
}
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# ifdef CONFIG_ENCODERS
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AVCodec h263_encoder = {
" h263 " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_H263 ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
AVCodec h263p_encoder = {
" h263p " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_H263P ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
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AVCodec flv_encoder = {
" flv " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_FLV1 ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
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AVCodec rv10_encoder = {
" rv10 " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_RV10 ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
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AVCodec rv20_encoder = {
" rv20 " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_RV20 ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
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AVCodec mpeg4_encoder = {
" mpeg4 " ,
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CODEC_TYPE_VIDEO ,
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CODEC_ID_MPEG4 ,
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sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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. capabilities = CODEC_CAP_DELAY ,
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} ;
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AVCodec msmpeg4v1_encoder = {
" msmpeg4v1 " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_MSMPEG4V1 ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
AVCodec msmpeg4v2_encoder = {
" msmpeg4v2 " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_MSMPEG4V2 ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
AVCodec msmpeg4v3_encoder = {
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" msmpeg4 " ,
CODEC_TYPE_VIDEO ,
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CODEC_ID_MSMPEG4V3 ,
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sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
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AVCodec wmv1_encoder = {
" wmv1 " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_WMV1 ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUV420P , - 1 } ,
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} ;
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AVCodec mjpeg_encoder = {
" mjpeg " ,
CODEC_TYPE_VIDEO ,
CODEC_ID_MJPEG ,
sizeof ( MpegEncContext ) ,
MPV_encode_init ,
MPV_encode_picture ,
MPV_encode_end ,
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. pix_fmts = ( enum PixelFormat [ ] ) { PIX_FMT_YUVJ420P , - 1 } ,
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} ;
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# endif //CONFIG_ENCODERS