From 1bd280f73076b7a58371585b95b08379f2445332 Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Mon, 13 Apr 2009 03:38:55 +0000
Subject: [PATCH] Set frame defaults in try_decode_frame. Fix: ==22211==
 Conditional jump or move depends on uninitialised value(s) ==22211==    at
 0x811E692: ff_print_debug_info (mpegvideo.c:1137) ==22211==    by 0x82E6A7B:
 decode_frame (h264.c:7897) ==22211==    by 0x80F2823: avcodec_decode_video2
 (utils.c:564) [...] ==22211==  Uninitialised value was created by a stack
 allocation ==22211==    at 0x8064AA3: try_decode_frame (utils.c:1845)

Originally committed as revision 18483 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/utils.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index df45f9efcc..bdf168ae93 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1860,6 +1860,7 @@ static int try_decode_frame(AVStream *st, AVPacket *avpkt)
     if(!has_codec_parameters(st->codec)){
         switch(st->codec->codec_type) {
         case CODEC_TYPE_VIDEO:
+            avcodec_get_frame_defaults(&picture);
             ret = avcodec_decode_video2(st->codec, &picture,
                                         &got_picture, avpkt);
             break;