From 3700d8002809defe16f555490007fa69c3ddcfc9 Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Fri, 16 Jan 2009 01:26:52 +0000
Subject: [PATCH] support h264 extradata with 0x000001 startcode

Originally committed as revision 16627 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/avc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/avc.c b/libavformat/avc.c
index cd15ca7ce7..6ecea38a47 100644
--- a/libavformat/avc.c
+++ b/libavformat/avc.c
@@ -97,7 +97,8 @@ int ff_isom_write_avcc(ByteIOContext *pb, const uint8_t *data, int len)
 {
     if (len > 6) {
         /* check for h264 start code */
-        if (AV_RB32(data) == 0x00000001) {
+        if (AV_RB32(data) == 0x00000001 ||
+            AV_RB24(data) == 0x000001) {
             uint8_t *buf=NULL, *end, *start;
             uint32_t sps_size=0, pps_size=0;
             uint8_t *sps=0, *pps=0;