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wtv: set channel layout for mpeg audio

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This commit is contained in:
Justin Ruggles 2012-04-07 18:55:43 -04:00
parent 7b48d93e8a
commit 935fbb66ef
1 changed files with 9 additions and 2 deletions
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11
libavformat/wtv.c
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@ -25,6 +25,7 @@
* @author Peter Ross <pross@xvid.org>
*/
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "libavutil/dict.h"
@ -618,8 +619,14 @@ static void parse_mpeg1waveformatex(AVStream *st)
/* dwHeadMode */
switch (AV_RL16(st->codec->extradata + 6)) {
case 1 : case 2 : case 4 : st->codec->channels = 2; break;
case 8 : st->codec->channels = 1; break;
case 1 :
case 2 :
case 4 : st->codec->channels = 2;
st->codec->channel_layout = AV_CH_LAYOUT_STEREO;
break;
case 8 : st->codec->channels = 1;
st->codec->channel_layout = AV_CH_LAYOUT_MONO;
break;
}
}