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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-08-31 14:42:53 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-08-31 15:16:36 +0200 |
| commit | 63a52ca134dc4ee648a547c7c410d547f371b481 (patch) | |
| tree | 625558987f0a34e7eb74a06b082429395951cc22 | |
| parent | 6d7aa437e1108dd8142ae5b850a00c109f95f07f (diff) | |
| download | ffmpeg-63a52ca134dc4ee648a547c7c410d547f371b481.tar.gz | |
avcodec/mjpegdec: fix green vertical line at the right with upscale h
Fixes Ticket3891
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/mjpegdec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index b6e0e68391..ac898bb432 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -2097,8 +2097,11 @@ the_end: continue; if (p==1 || p==2) w >>= hshift; + av_assert0(w > 0); for (i = 0; i < s->chroma_height; i++) { - for (index = w - 1; index; index--) { + if (is16bit) ((uint16_t*)line)[w - 1] = ((uint16_t*)line)[(w - 1) / 2]; + else line[w - 1] = line[(w - 1) / 2]; + for (index = w - 2; index > 0; index--) { if (is16bit) ((uint16_t*)line)[index] = (((uint16_t*)line)[index / 2] + ((uint16_t*)line)[(index + 1) / 2]) >> 1; else |