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author | Oskar Arvidsson <oskar@irock.se> | 2011-03-29 17:48:46 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-04-10 22:33:41 +0200 |
commit | af0b2d6736a99203fed3014a3e83f8226dade2af (patch) | |
tree | 7a4a3f6aa77129b3497672f87831be72a6256007 /libavcodec/h264.c | |
parent | 488efb33a71683a965c99ddd62ee6c32727ecee9 (diff) | |
download | ffmpeg-streaming-af0b2d6736a99203fed3014a3e83f8226dade2af.zip ffmpeg-streaming-af0b2d6736a99203fed3014a3e83f8226dade2af.tar.gz |
Choose h264 chroma dc dequant function dynamically.
Needed for high bit depth h264 decoding.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/h264.c')
-rw-r--r-- | libavcodec/h264.c | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index ca33c9a..aa31037 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -428,27 +428,6 @@ static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){ #undef xStride #undef stride -static void chroma_dc_dequant_idct_c(DCTELEM *block, int qmul){ - const int stride= 16*2; - const int xStride= 16; - int a,b,c,d,e; - - a= block[stride*0 + xStride*0]; - b= block[stride*0 + xStride*1]; - c= block[stride*1 + xStride*0]; - d= block[stride*1 + xStride*1]; - - e= a-b; - a= a+b; - b= c-d; - c= c+d; - - block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7; - block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7; - block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7; - block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7; -} - #if 0 static void chroma_dc_dct_c(DCTELEM *block){ const int stride= 16*2; @@ -1712,17 +1691,17 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){ }else{ if(is_h264){ if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ]) - chroma_dc_dequant_idct_c(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]); + 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]); if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ]) - 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]); + 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]); h->h264dsp.h264_idct_add8(dest, block_offset, h->mb, uvlinesize, h->non_zero_count_cache); } #if CONFIG_SVQ3_DECODER else{ - chroma_dc_dequant_idct_c(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]); - 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]); + 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]); + 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]); for(i=16; i<16+8; i++){ if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i]; |