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Code Issues Releases Activity

Get rid of a local variable, 10 cpu cycles faster.

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Originally committed as revision 21888 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-02-19 02:37:11 +00:00
parent a305449df6
commit e69bfde6b2
1 changed files with 5 additions and 6 deletions
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11
libavcodec/h264_cabac.c
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@ -914,17 +914,16 @@ static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
h->mvd_cache[list][scan8[n] - 8][l]; h->mvd_cache[list][scan8[n] - 8][l];
int ctxbase = (l == 0) ? 40 : 47; int ctxbase = (l == 0) ? 40 : 47;
int mvd; int mvd;
int ctx = (amvd>2) + (amvd>32);
if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx])) if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2) + (amvd>32)]))
return 0; return 0;
mvd= 1; mvd= 1;
ctx= 3; ctxbase+= 3;
while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) { while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {
if( mvd < 4 )
ctxbase++;
mvd++; mvd++;
if( ctx < 6 )
ctx++;
} }
if( mvd >= 9 ) { if( mvd >= 9 ) {