[SCM] libav/experimental: Make stream copy of ac3 from riff based formats work.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit bcbd328e173de259d221924778be992efe3961dd
Author: Michael Niedermayer <michaelni at gmx.at>
Date:   Mon May 26 00:47:49 2008 +0000

    Make stream copy of ac3 from riff based formats work.
    
    Originally committed as revision 13408 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/ffmpeg.c b/ffmpeg.c
index ec9117a..ab83b3e 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1677,6 +1677,8 @@ static int av_encode(AVFormatContext **output_files,
                 codec->block_align= icodec->block_align;
                 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
                     codec->block_align= 0;
+                if(codec->codec_id == CODEC_ID_AC3)
+                    codec->block_align= 0;
                 break;
             case CODEC_TYPE_VIDEO:
                 if(using_vhook) {

-- 
Libav/FFmpeg packaging