diff options
Diffstat (limited to 'libavcodec/mjpegdec.c')
| -rw-r--r-- | libavcodec/mjpegdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index cdb75afbcb..e3f6910925 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -1295,6 +1295,8 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss, } if (!Al) { + // s->coefs_finished is a bitmask for coefficients coded + // ss and se are parameters telling start and end coefficients s->coefs_finished[c] |= (2ULL << se) - (1ULL << ss); last_scan = !~s->coefs_finished[c]; } |