From 2fd1f0e0262da82d05517c8c104dcd9a2007fa0d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 18 Dec 2008 02:53:18 +0000 Subject: [PATCH] Use the new idct functions (except chroma as it was slower in benchmarks) cathedral +0.5% speed aladin +0.6% speed [note aladin has been cat-ed 10 times to reduce the influence of init time] Speedup also verified via START/STOP_TIMER (difference was very significant for the changed parts) Originally committed as revision 16207 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index e5c9e33..d15845b 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2515,27 +2515,34 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){ if(!IS_INTRA4x4(mb_type)){ if(is_h264){ if(IS_INTRA16x16(mb_type)){ - if(transform_bypass && h->sps.profile_idc==244 && (h->intra16x16_pred_mode==VERT_PRED8x8 || h->intra16x16_pred_mode==HOR_PRED8x8)){ + if(transform_bypass){ + if(h->sps.profile_idc==244 && (h->intra16x16_pred_mode==VERT_PRED8x8 || h->intra16x16_pred_mode==HOR_PRED8x8)){ h->hpc.pred16x16_add[h->intra16x16_pred_mode](dest_y, block_offset, h->mb, linesize); }else{ for(i=0; i<16; i++){ - if(h->non_zero_count_cache[ scan8[i] ]) + if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]) idct_add (dest_y + block_offset[i], h->mb + i*16, linesize); - else if(h->mb[i*16]) - idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize); } + } + }else{ + s->dsp.h264_idct_add16intra(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache); } }else if(h->cbp&15){ + if(transform_bypass){ const int di = IS_8x8DCT(mb_type) ? 4 : 1; for(i=0; i<16; i+=di){ int nnz = h->non_zero_count_cache[ scan8[i] ]; if(nnz){ - if(nnz==1 && h->mb[i*16]) - idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize); - else idct_add(dest_y + block_offset[i], h->mb + i*16, linesize); } } + }else{ + if(IS_8x8DCT(mb_type)){ + s->dsp.h264_idct8_add4(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache); + }else{ + s->dsp.h264_idct_add16(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache); + } + } } }else{ for(i=0; i<16; i++){ -- 2.7.4