move ff_init_scantable() into dsputil
Originally committed as revision 12311 to svn://svn.ffmpeg.org/ffmpeg/trunk
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4c79b95c32
@ -152,6 +152,30 @@ static const uint8_t simple_mmx_permutation[64]={
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0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
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};
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void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
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int i;
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int end;
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st->scantable= src_scantable;
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for(i=0; i<64; i++){
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int j;
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j = src_scantable[i];
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st->permutated[i] = permutation[j];
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#ifdef ARCH_POWERPC
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st->inverse[j] = i;
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#endif
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}
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end=-1;
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for(i=0; i<64; i++){
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int j;
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j = st->permutated[i];
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if(j>end) end=j;
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st->raster_end[i]= end;
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}
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}
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static int pix_sum_c(uint8_t * pix, int line_size)
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{
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int s, i, j;
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@ -153,6 +153,21 @@ typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align widt
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// for snow slices
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typedef struct slice_buffer_s slice_buffer;
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/**
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* Scantable.
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*/
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typedef struct ScanTable{
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const uint8_t *scantable;
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uint8_t permutated[64];
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uint8_t raster_end[64];
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#ifdef ARCH_POWERPC
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/** Used by dct_quantize_altivec to find last-non-zero */
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DECLARE_ALIGNED_8(uint8_t, inverse[64]);
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#endif
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} ScanTable;
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void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
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/**
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* DSPContext.
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*/
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@ -70,29 +70,6 @@ static const uint8_t ff_default_chroma_qscale_table[32]={
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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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};
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void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
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int i;
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int end;
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st->scantable= src_scantable;
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for(i=0; i<64; i++){
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int j;
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j = src_scantable[i];
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st->permutated[i] = permutation[j];
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#ifdef ARCH_POWERPC
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st->inverse[j] = i;
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#endif
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}
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end=-1;
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for(i=0; i<64; i++){
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int j;
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j = st->permutated[i];
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if(j>end) end=j;
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st->raster_end[i]= end;
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}
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}
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const uint8_t *ff_find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){
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int i;
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@ -86,19 +86,6 @@ enum OutputFormat {
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#define EXT_START_CODE 0x000001b5
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#define USER_START_CODE 0x000001b2
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/**
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* Scantable.
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*/
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typedef struct ScanTable{
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const uint8_t *scantable;
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uint8_t permutated[64];
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uint8_t raster_end[64];
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#ifdef ARCH_POWERPC
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/** Used by dct_quantize_altivec to find last-non-zero */
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DECLARE_ALIGNED_8(uint8_t, inverse[64]);
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#endif
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} ScanTable;
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/**
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* Picture.
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*/
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@ -707,7 +694,6 @@ void MPV_common_init_armv4l(MpegEncContext *s);
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void MPV_common_init_altivec(MpegEncContext *s);
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extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
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void ff_clean_intra_table_entries(MpegEncContext *s);
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void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
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void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
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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);
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