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| author | Michael Niedermayer <michaelni@gmx.at> | 2006-03-31 17:43:28 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-03-31 17:43:28 +0000 |
| commit | 78d2d4e1111f1284e12da9ae4daa0b7c14733055 (patch) | |
| tree | 269a4a107b66a92a08d48584b21f017bc7caa7f7 | |
| parent | e7e2025a535c61c9dc6f7e3226458b65f4b559d2 (diff) | |
| download | ffmpeg-78d2d4e1111f1284e12da9ae4daa0b7c14733055.tar.gz | |
do UPDATE_CACHE only when needed (which should be VERY rare)
Originally committed as revision 5254 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/mjpeg.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libavcodec/mjpeg.c b/libavcodec/mjpeg.c index 8c90022bc5..2fc870a61a 100644 --- a/libavcodec/mjpeg.c +++ b/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; |