From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Wed, 26 Jun 2013 07:33:44 +0000 (+0200)
Subject: Use AV_RN32 for an unaligned read in the mxg demuxer.
X-Git-Tag: android-x86-4.4-r1~2716
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=35aed74fdc7b53ac6c2f0648aa864a108d0e0c7e;p=android-x86%2Fexternal-ffmpeg.git

Use AV_RN32 for an unaligned read in the mxg demuxer.

Fixes ticket #2707.
---

diff --git a/libavformat/mxg.c b/libavformat/mxg.c
index 604be785bc..3a6cf77b26 100644
--- a/libavformat/mxg.c
+++ b/libavformat/mxg.c
@@ -74,7 +74,7 @@ static int mxg_read_header(AVFormatContext *s)
 static uint8_t* mxg_find_startmarker(uint8_t *p, uint8_t *end)
 {
     for (; p < end - 3; p += 4) {
-        uint32_t x = *(uint32_t*)p;
+        uint32_t x = AV_RN32(p);
 
         if (x & (~(x+0x01010101)) & 0x80808080) {
             if (p[0] == 0xff) {