From 2d8d6882a7316a49818778a953648b3770e8f604 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Thu, 28 Apr 2011 10:47:40 +0200
Subject: [PATCH] Read channel layout atom in mov files.

---
 libavformat/mov.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index a44182af81..8bb3580333 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -2180,6 +2180,15 @@ static int mov_read_elst(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     return 0;
 }
 
+static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+    if (atom.size < 16)
+        return AVERROR_INVALIDDATA;
+    avio_skip(pb, 4);
+    ff_mov_read_chan(c->fc, atom.size - 4, c->fc->streams[0]->codec);
+    return 0;
+}
+
 static const MOVParseTableEntry mov_default_parse_table[] = {
 { MKTAG('a','v','s','s'), mov_read_extradata },
 { MKTAG('c','h','p','l'), mov_read_chpl },
@@ -2233,6 +2242,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
 { MKTAG('d','a','c','3'), mov_read_dac3 }, /* AC-3 info */
 { MKTAG('w','i','d','e'), mov_read_wide }, /* place holder */
 { MKTAG('c','m','o','v'), mov_read_cmov },
+{ MKTAG('c','h','a','n'), mov_read_chan },
 { 0, NULL }
 };