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mjpeg: fix crash with lowres and flipped images

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Fixes Ticket1155

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-04-12 01:29:04 +02:00
parent c0af87550a
commit 0cd17a6291
1 changed files with 4 additions and 0 deletions
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4
libavcodec/mjpegdec.c
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@ -974,6 +974,10 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,
"Can not flip image with CODEC_FLAG_EMU_EDGE set!\n");
s->flipped = 0;
}
if (s->flipped && s->avctx->lowres) {
av_log(s->avctx, AV_LOG_ERROR, "Can not flip image with lowres\n");
s->flipped = 0;
}
for (i = 0; i < nb_components; i++) {
int c = s->comp_index[i];