diff options
| -rw-r--r-- | libavcodec/pngdec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index 967d5567e8..a96d3cd5d4 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -675,7 +675,10 @@ static int decode_frame(AVCodecContext *avctx, /* handle p-frames only if a predecessor frame is available */ if(s->last_picture->data[0] != NULL) { - if(!(avpkt->flags & AV_PKT_FLAG_KEY)) { + if( !(avpkt->flags & AV_PKT_FLAG_KEY) + && s->last_picture->width == s->current_picture->width + && s->last_picture->height== s->current_picture->height + ) { int i, j; uint8_t *pd = s->current_picture->data[0]; uint8_t *pd_last = s->last_picture->data[0]; |