From 8a08503b78f59d61cf98b9deb99363e3e07d8599 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 22 Feb 2012 03:36:36 +0100 Subject: pngdec: Print error if signature is wrong. Signed-off-by: Michael Niedermayer --- libavcodec/pngdec.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'libavcodec/pngdec.c') 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; -- cgit v1.2.3