diff options
-rw-r--r-- | libavcodec/mjpegdec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index 5bf9f314f3..7d1aa530e2 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -477,9 +477,9 @@ static int decode_block_progressive(MJpegDecodeContext *s, DCTELEM *block, uint8 /* Progressive JPEG use AC coeffs from zero and this decoder sets offset 16 by default */ code -= 16; run = ((unsigned) code) >> 4; - if(code & 0xF) { + code &= 0xF; + if(code) { i += run; - code &= 0xf; if(code > MIN_CACHE_BITS - 16){ UPDATE_CACHE(re, &s->gb) } |