[mythtv-users] Alsa and MythMusic questions

Joseph A. Caputo jcaputo1 at comcast.net
Mon Mar 1 12:38:51 EST 2004

On Friday 27 February 2004 17:55, Len Borowski wrote:
> My reseach in the archives of this list indicates that the Alsa
> support in Mythmusic is incomplete but that some folks have gotten it
> to work.  I, unfortunately, am not one of those folks.  I have an
> nforce based board which works fine with ALSA for MythTV and Xine but
> not mythmusic.  I am currently using Myth 0.14 on slackware. If I
> specify the output device as /dev/dsp things work fine except but
> that isnt satisfactory because I am trying to only using the digital
> out on my motherboard.  While I can specify the input on my
> receiver(analog or digital) I rather not have to do that.
> This leads me to a few questions...
> o Does anyone currently use the digital out on a nforce based board
> while using mythmusic?  If so, how'd did you get it going?  I've
> tried updating the "AudioDevice" in the myth database to
> "/dev/pcm/pcmC0D2p", "ALSA:default", "ALSA:spdif" and nothing works.
> o I got the impression that myth usings mpg123 to play mp3s. Am I
> correct? if so, does anyone think its reasonable to hack the myth
> code to specify the command line options? I can play music on the
> command line using mpg123(well, really mpg321 which is the "Free"
> version of mpg123) and so if I can play with the options that are
> passed to mpg123 I should be able to solve my problems.  If I'm not
> correct and mpg123 isnt being used to play music, how is myth playing
> mp3s and does anyone have thoughts on how I can get it to use the
> ALSA devices?

MythMusic uses libmad to decode mp3, IIRC.  Once the decoding is done, 
the audio output classes are common to all 3 audio codecs (mp3, ogg, 
flac).  There are no external executables involved.

> o Would getting the latest CVS of mythmusic work help?
> -Len
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