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authorMichael Niedermayer <michaelni@gmx.at>2010-01-16 11:55:35 +0000
committerMichael Niedermayer <michaelni@gmx.at>2010-01-16 11:55:35 +0000
commit2e36c931f0e8d9fe812badd4dee90fdd352c05be (patch)
treec6c0e6656c3df4dc7dbd42b5601a85eacf2e5370 /libavcodec/h264.c
parent3e906f4cfb15738b4c0cb56bad64531620af4818 (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.c1
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)