[mythtv-users] mythmusic and spdif not working

Steven Adeff adeffs.mythtv at gmail.com
Tue May 16 14:46:44 EDT 2006


On 5/15/06, William <wmunson at rochester.rr.com> wrote:
> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Bert Haverkamp
> Sent: Monday, May 15, 2006 3:01 PM
> To: Discussion about mythtv
> Cc: Olivier Arsac
> Subject: [mythtv-users] mythmusic and spdif not working
>
> Hello all,
>
> Last weekend I started playing with my new receiver JVC RX-E12. Goal was to
> connect it via
> an optical cable to my mythtv centre.
> I configured ALSA via /etc/asound.conf:
> pcm.!default {
>      type plug
>      slave {
>           pcm "spdif"
>           rate 48000
>           format S16_LE
>      }
> }
> ctl.!default {
>      type hw
>      card 0
> }
>
> The problem is that mythmusic doesn't respond well to this. Almost all mp3s
> play very fast (about 10 sec per song, barely recognizable like skipping
> through it very fast). Only songs with 48khz sampling rate seem to play
> fine.  Playing with for instance mpg321 is fine for all mp3s. My setup is:
> shuttle ST62K. soundchip atiixp, debian testing and mythtv/mythmusic 0.19.
> Can anyone give me a pointer on how to get this going?
>
> Related question: How can I get 5.1 working? speaker-test -c6 only gives me
> 2 channels. xine also doesn't add much more..
>
> Regards,
>
> Bert Haverkamp
------------
< mumble http://www.mythtv.org/wiki/index.php/Mailing_List_etiquette mumble...>


> ASAIK most mp3's play at 32KHz while your input is expecting 48KHz which is

unless it was encoded at 44.1Khz to match the converted CD freq.

> why it plays fast. You need to redo your .asoundrc to use a mode that does
> conversion of bitrates. I have not yet gotten 5.1 to work with myth however
> it does a good job of passing the dolby prologic signal imbedded in some
> programming which produces 5.1 sound. YMMV.

http://www.gossamer-threads.com/lists/mythtv/users/190559?#190559

> I am using the generic .asoundrc from the wilsonet howto and a reaonably
> recent version of SVN.

-- 
Steve
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