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Code Issues Releases Activity

do UPDATE_CACHE only when needed (which should be VERY rare)

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Originally committed as revision 5254 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-03-31 17:43:28 +00:00
parent e7e2025a53
commit 78d2d4e111
1 changed files with 3 additions and 2 deletions

5
libavcodec/mjpeg.c

@ -1286,8 +1286,9 @@ static int decode_block(MJpegDecodeContext *s, DCTELEM *block,
} else {
i += ((unsigned)code) >> 4;
code &= 0xf;
UPDATE_CACHE(re, &s->gb)
if(code > MIN_CACHE_BITS - 16){
UPDATE_CACHE(re, &s->gb)
}
{
int cache=GET_CACHE(re,gb);
int sign=(~cache)>>31;