From e13c0783333a17ec2a14d6b283ea78cb506ec05d Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Mon, 25 Feb 2008 12:00:31 +0000
Subject: [PATCH] set bps to uncompressed original sound data for compressed
 audio according to aiff specs, qt set it to 16 for mace and ima4, fail if
 block align is not set.

Originally committed as revision 12198 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/aiff.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libavformat/aiff.c b/libavformat/aiff.c
index dede1d6fe4..4a574644a7 100644
--- a/libavformat/aiff.c
+++ b/libavformat/aiff.c
@@ -189,7 +189,12 @@ static int aiff_write_header(AVFormatContext *s)
     put_be32(pb, 0);                    /* file length */
     put_tag(pb, aifc ? "AIFC" : "AIFF");
 
-    if (aifc) {
+    if (aifc) { // compressed audio
+        enc->bits_per_sample = 16;
+        if (!enc->block_align) {
+            av_log(s, AV_LOG_ERROR, "block align not set\n");
+            return -1;
+        }
         /* Version chunk */
         put_tag(pb, "FVER");
         put_be32(pb, 4);