From c6f4720b8664e6e22eb5b3da6bb48ed5b113f746 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 28 Feb 2016 18:10:23 +0100 Subject: avcodec/mjpegdec: Fix decoding slightly odd progressive jpeg Fixes: ebd58db6-dc86-11e5-91c2-59daeddf50c7.jpg Signed-off-by: Michael Niedermayer --- libavcodec/mjpegdec.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'libavcodec/mjpegdec.c') diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index bd7fb94..f41f3a5 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -1381,12 +1381,10 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss, return AVERROR_INVALIDDATA; } - 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]; - } + // 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 = !Al && !~s->coefs_finished[c]; if (s->interlaced && s->bottom_field) data += linesize >> 1; -- cgit v1.1