From 8c0a865ad96b9e8542051f75b0edc424cb73994e Mon Sep 17 00:00:00 2001
From: Matthieu Bouron <matthieu.bouron@gmail.com>
Date: Thu, 4 Dec 2014 19:13:39 +0000
Subject: [PATCH] mov: skip version and flags attributes in mov_read_chan()

Fixes decting channel layout for files with uncommon audio, such as
FL and FR in two separate streams. Introduced in 3bab7cd.

CC: libav-devel@libav.org
Sample-Id: ticket1474.mov
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
---
 libavformat/mov.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 13dc94b571..95c7106ba3 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -634,6 +634,9 @@ static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if (atom.size < 16)
         return 0;
 
+    /* skip version and flags */
+    avio_skip(pb, 4);
+
     ff_mov_read_chan(c->fc, pb, st, atom.size - 4);
 
     return 0;