diff options
author | Oskar Arvidsson <oskar@irock.se> | 2011-04-11 00:42:36 +0400 |
---|---|---|
committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-05-10 15:24:17 +0400 |
commit | e39e3abad4ce667f06d41097428695a7aad095fb (patch) | |
tree | fee1f3d4342f18bc992c79fb4b541e08861b632e /libavcodec/h264.c | |
parent | dd561441b1e849df7d8681c6f32af82d4088dafd (diff) |
Choose h264 chroma dc dequant function dynamically.
Needed for high bit depth h264 decoding.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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 501777049f..142a07807a 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -288,27 +288,6 @@ 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; @@ -1286,15 +1265,15 @@ 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); }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]; |