diff options
| -rw-r--r-- | libavcodec/pngdec.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index d4422c181f..39afbdd045 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -407,8 +407,10 @@ static int decode_frame(AVCodecContext *avctx, /* check signature */ if (memcmp(s->bytestream, ff_pngsig, 8) != 0 && - memcmp(s->bytestream, ff_mngsig, 8) != 0) + memcmp(s->bytestream, ff_mngsig, 8) != 0) { + av_log(avctx, AV_LOG_ERROR, "Missing png signature\n"); return -1; + } s->bytestream+= 8; s->y= s->state=0; |