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yopdec: check frame oddness to be within supported limits

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Fixes Ticket1365

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-06-01 15:52:20 +02:00
parent b6fdf8dea7
commit febc013dc5
1 changed files with 4 additions and 0 deletions
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libavcodec/yop.c
+4
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@@ -224,6 +224,10 @@ static int yop_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
s->low_nibble = NULL; s->low_nibble = NULL;
is_odd_frame = avpkt->data[0]; is_odd_frame = avpkt->data[0];
if(is_odd_frame>1){
av_log(avctx, AV_LOG_ERROR, "frame is too odd %d\n", is_odd_frame);
return AVERROR_INVALIDDATA;
}
firstcolor = s->first_color[is_odd_frame]; firstcolor = s->first_color[is_odd_frame];
palette = (uint32_t *)s->frame.data[1]; palette = (uint32_t *)s->frame.data[1];