[mythtv-users] mplayer sound problem

[Lord Darkhelmet]

Thanks,  but did not work.  The audio file in the video is a DTS 6 
channel.  Mplayer is using ffdca to decode:

==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 48000 Hz, 6 ch, s16le, 128.0 kbit/2.78% (ratio: 16000->576000)
Selected audio codec: [ffdca] afm: ffmpeg (FFmpeg DTS)
==========================================================================

I tried a couple videos with Dolby Digital 6 channel audio and they seem 
to down mix to stereo just fine.   I wonder if is a problem with my 
installed codec ?

Thanks.

Ma Begaj wrote:
> 2008/4/11, Lord Darkhelmet <lord_darkhelmet at accesscomm.ca>:
>   
>> When trying to play a compressed video file with 6 channel audio through
>>  mplayer it seems to be mixing up the audio channels.  I'm only using 2
>>  channel analog audio from computer to stereo. Mplayer is outputting
>>  either the center channel one of the front channel streams to the left
>>  speaker and I believe one of the surround channel streams to the right
>>  speaker.  Xine is downmixing the 6 channel audio to 2 channel audio just
>>  fine but has video problems so I o not want to use it.  I tried the pan
>>  option in mplayer config but it either crashed mplayer or just didn't
>>  work.  Alsamixer is set to only 2 channel audio.  Anywhere else I should
>>  be looking ?
>>     
>
> use "mplayer -ao alsa:device=surround51 -channels 2"
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