avcodec/mjpegdec: Check for rgb before flipping

Fixes assertion failure due to unsupported case

Fixes: 356/fuzz-1-ffmpeg_VIDEO_AV_CODEC_ID_MJPEG_fuzzer
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 25d9643f11)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-12-31 03:08:33 +01:00
parent 8c3e90f5ed
commit d5948243f5

View file

@ -2383,7 +2383,7 @@ the_end:
}
}
}
if (s->flipped) {
if (s->flipped && !s->rgb) {
int j;
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift);
av_assert0(s->nb_components == av_pix_fmt_count_planes(s->picture_ptr->format));