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2 cpu cycles faster context calculation for decode_cabac_intra_mb_type() 

Originally committed as revision 21845 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-02-16 02:51:37 +00:00
parent 5806e8cd1f
commit 37a9719a97
1 changed files with 2 additions and 2 deletions
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4
libavcodec/h264_cabac.c
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@ -723,9 +723,9 @@ static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_sl
if(intra_slice){
int ctx=0;
if( h->left_type[0] && !IS_INTRA4x4(h->left_type[0]))
if( h->left_type[0] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
ctx++;
if( h->top_type && !IS_INTRA4x4(h->top_type) )
if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
ctx++;
if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
return 0; /* I4x4 */