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Disable usage of ff_h264_idct_add_altivec since AltiVec versions of h264_idct_add16,

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h264_idct_add16intra, h264_idct_add8 need to be implemented.

Add C version of ff_h264_idct8_dc_add in AltiVec so that ff_h264_idct8_add_altivec
can be used.

Originally committed as revision 16311 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Guillaume Poirier 2008-12-25 18:27:49 +00:00
parent 0fa5f24c3b
commit 337e3fd990
1 changed files with 29 additions and 0 deletions
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29
libavcodec/ppc/h264_altivec.c
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@ -19,6 +19,7 @@
*/
#include "libavcodec/dsputil.h"
#include "libavcodec/h264data.h"
#include "gcc_fixes.h"
@ -595,6 +596,30 @@ void ff_h264_idct8_add_altivec( uint8_t *dst, DCTELEM *dct, int stride ) {
ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel);
}
// TODO: implement this in AltiVec
static void ff_h264_idct8_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride) {
int i, j;
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int dc = (block[0] + 32) >> 6;
for( j = 0; j < 8; j++ )
{
for( i = 0; i < 8; i++ )
dst[i] = cm[ dst[i] + dc ];
dst += stride;
}
}
static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
int i;
for(i=0; i<16; i+=4){
int nnz = nnzc[ scan8[i] ];
if(nnz){
if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_altivec(dst + block_offset[i], block + i*16, stride);
else ff_h264_idct8_add_altivec (dst + block_offset[i], block + i*16, stride);
}
}
}
#define transpose4x16(r0, r1, r2, r3) { \
register vec_u8_t r4; \
register vec_u8_t r5; \
@ -874,8 +899,12 @@ void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
c->put_no_rnd_h264_chroma_pixels_tab[0] = put_no_rnd_h264_chroma_mc8_altivec;
c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
/* ff_h264_idct_add_altivec may be re-enabled once AltiVec versions of
h264_idct_add16, h264_idct_add16intra, h264_idct_add8 are implemented
c->h264_idct_add = ff_h264_idct_add_altivec;
*/
c->h264_idct8_add = ff_h264_idct8_add_altivec;
c->h264_idct8_add4 = ff_h264_idct8_add4_altivec;
c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec;
c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_altivec;