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pngdec: check that format matches too not just dimensions 

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-09 19:58:37 +01:00
parent 02a325cb6f
commit 623cfc93d9
1 changed files with 1 additions and 0 deletions
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libavcodec/pngdec.c
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@ -825,6 +825,7 @@ static int decode_frame(AVCodecContext *avctx,
if( !(avpkt->flags & AV_PKT_FLAG_KEY)
&& s->last_picture->width == s->current_picture->width
&& s->last_picture->height== s->current_picture->height
&& s->last_picture->format== s->current_picture->format
) {
int i, j;
uint8_t *pd = s->current_picture->data[0];