diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2010-01-16 11:55:35 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2010-01-16 11:55:35 +0000 |
commit | 2e36c931f0e8d9fe812badd4dee90fdd352c05be (patch) | |
tree | c6c0e6656c3df4dc7dbd42b5601a85eacf2e5370 /libavcodec/h264.c | |
parent | 3e906f4cfb15738b4c0cb56bad64531620af4818 (diff) |
Avoid wasting 4 cpu cycles per MB in redundantly calculating qp_thresh.
Originally committed as revision 21243 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264.c')
-rw-r--r-- | libavcodec/h264.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 60564978cd..3cec4182ec 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2110,6 +2110,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){ return 1; // deblocking switched inside frame } } + h->qp_thresh= 15 - h->slice_alpha_c0_offset - FFMAX3(0, h->pps.chroma_qp_index_offset[0], h->pps.chroma_qp_index_offset[1]); #if 0 //FMO if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5) |