From 621561cdf37057d45e38cf1b4404e5de870b1683 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 18 Dec 2008 00:46:54 +0000 Subject: [PATCH] Skip chroma handling when there is no coded chroma. 0.5% overall speedup for the cathedral sample. Originally committed as revision 16201 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 1b32645615..341b9a8302 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2547,7 +2547,7 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){ } } - if(simple || !ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ + if((simple || !ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)) && (h->cbp&0x30)){ uint8_t *dest[2] = {dest_cb, dest_cr}; if(transform_bypass){ idct_add = idct_dc_add = s->dsp.add_pixels4;