Revision af0b2d67 libavcodec/h264.c
| libavcodec/h264.c | ||
|---|---|---|
| 428 | 428 |
#undef xStride |
| 429 | 429 |
#undef stride |
| 430 | 430 |
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| 431 |
static void chroma_dc_dequant_idct_c(DCTELEM *block, int qmul){
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|
| 432 |
const int stride= 16*2; |
|
| 433 |
const int xStride= 16; |
|
| 434 |
int a,b,c,d,e; |
|
| 435 |
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a= block[stride*0 + xStride*0]; |
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b= block[stride*0 + xStride*1]; |
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c= block[stride*1 + xStride*0]; |
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d= block[stride*1 + xStride*1]; |
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e= a-b; |
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a= a+b; |
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b= c-d; |
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c= c+d; |
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| 445 |
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block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7; |
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block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7; |
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| 448 |
block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7; |
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block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7; |
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| 450 |
} |
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| 451 |
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| 452 | 431 |
#if 0 |
| 453 | 432 |
static void chroma_dc_dct_c(DCTELEM *block){
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| 454 | 433 |
const int stride= 16*2; |
| ... | ... | |
| 1712 | 1691 |
}else{
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| 1713 | 1692 |
if(is_h264){
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| 1714 | 1693 |
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ]) |
| 1715 |
chroma_dc_dequant_idct_c(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
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h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
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| 1716 | 1695 |
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ]) |
| 1717 |
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
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| 1696 |
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
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| 1718 | 1697 |
h->h264dsp.h264_idct_add8(dest, block_offset, |
| 1719 | 1698 |
h->mb, uvlinesize, |
| 1720 | 1699 |
h->non_zero_count_cache); |
| 1721 | 1700 |
} |
| 1722 | 1701 |
#if CONFIG_SVQ3_DECODER |
| 1723 | 1702 |
else{
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chroma_dc_dequant_idct_c(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
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| 1725 |
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
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| 1703 |
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
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| 1704 |
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
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| 1726 | 1705 |
for(i=16; i<16+8; i++){
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| 1727 | 1706 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
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| 1728 | 1707 |
uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i]; |
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