From 1b72a7e8a9c0e8598e83706b4698d0d4319d8345 Mon Sep 17 00:00:00 2001
From: Piotr Bandurski <ami_stuff@o2.pl>
Date: Mon, 6 Aug 2012 00:08:53 +0200
Subject: aiffenc: fix remuxing of qdm2

---
 libavformat/aiffenc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavformat/aiffenc.c b/libavformat/aiffenc.c
index 9165e12517..3cc0fcccf1 100644
--- a/libavformat/aiffenc.c
+++ b/libavformat/aiffenc.c
@@ -98,6 +98,12 @@ static int aiff_write_header(AVFormatContext *s)
         avio_wb16(pb, 0);
     }
 
+    if (enc->codec_tag == MKTAG('Q','D','M','2') && enc->extradata_size) {
+        ffio_wfourcc(pb, "wave");
+        avio_wb32(pb, enc->extradata_size);
+        avio_write(pb, enc->extradata, enc->extradata_size);
+    }
+
     /* Sound data chunk */
     ffio_wfourcc(pb, "SSND");
     aiff->ssnd = avio_tell(pb);         /* Sound chunk size */
-- 
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