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Skip non intra luma code when there is no coded luma.
author
Michael Niedermayer
<michaelni@gmx.at>
Thu, 18 Dec 2008 01:10:51 +0000
(
01:10
+0000)
committer
Michael Niedermayer
<michaelni@gmx.at>
Thu, 18 Dec 2008 01:10:51 +0000
(
01:10
+0000)
0.7% speedup for the cathedral sample.
Originally committed as revision 16203 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/h264.c
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diff --git
a/libavcodec/h264.c
b/libavcodec/h264.c
index
341b9a8
..
e5c9e33
100644
(file)
--- a/
libavcodec/h264.c
+++ b/
libavcodec/h264.c
@@
-2525,7
+2525,7
@@
static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
}
}
- }else{
+ }else
if(h->cbp&15)
{
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] ];