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simplify loop a little

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Originally committed as revision 5255 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-03-31 18:04:36 +00:00
parent 78d2d4e111
commit 002a7414b5
1 changed files with 3 additions and 5 deletions
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6
libavcodec/mjpeg.c
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@ -1281,16 +1281,14 @@ static int decode_block(MJpegDecodeContext *s, DCTELEM *block,
/* EOB */
if (code == 0x10)
break;
if (code == 0x100) {
i += 16;
} else {
i += ((unsigned)code) >> 4;
if(code != 0x100){
code &= 0xf;
if(code > MIN_CACHE_BITS - 16){
UPDATE_CACHE(re, &s->gb)
}
{
int cache=GET_CACHE(re,gb);
int cache=GET_CACHE(re,&s->gb);
int sign=(~cache)>>31;
level = (NEG_USR32(sign ^ cache,code) ^ sign) - sign;
}