From f5e646a00ac21e500dae4bcceded790a0fbc5246 Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Mon, 24 Jun 2013 18:12:24 +0200
Subject: [PATCH] wtv: Mark attachment with a negative stream id
A sid 0 would be mismatched to the attachment.
Prevent NULL pointer dereference.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
---
libavformat/wtv.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavformat/wtv.c b/libavformat/wtv.c
index 23b662d8716..8b927466cf8 100644
--- a/libavformat/wtv.c
+++ b/libavformat/wtv.c
@@ -472,6 +472,7 @@ static void get_attachment(AVFormatContext *s, AVIOContext *pb, int length)
st->codec->codec_id = AV_CODEC_ID_MJPEG;
st->codec->codec_type = AVMEDIA_TYPE_ATTACHMENT;
st->codec->extradata = av_mallocz(filesize);
+ st->id = -1;
if (!st->codec->extradata)
goto done;
st->codec->extradata_size = filesize;
--
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