[mythtv-users] MythMusic - CD Playback - Not working

Ray Whiteman ray.whiteman at consultant.com
Tue Aug 19 10:21:38 UTC 2008


Allen Edwards wrote:
> On Mon, Aug 18, 2008 at 5:35 AM, Ray Whiteman
> <ray.whiteman at consultant.com> wrote:
>   
>> Hello,
>>
>> I run Mythbuntu 7.10 with Mythtv 0.21. I am having difficulty with what
>> I think is an ALSA/Mythtv audio set-up problem.
>>
>> I have Myth set-up and working perfectly for TV, MP3 Music, MPlayer
>> Playback (SPDIF pass through working for everything)
>>
>> When I go into Media Library>Listen to Music>Edit Playlist and select my
>> CD that is in the CD drive. I see the songs on the CD are all listed in
>> the playlist (cddb lookup worked), with the first highlighted yellow.
>> But I don't hear any sound and the CD drive isn't spinning.
>>
>> I can play the CD perfectly from VLC though!
>>
>> This is driving me nuts as the Wife Approval Factor is dropping (she
>> wants to be able to drop a disk in and have mythtv "just play it").
>>
>> I have tried many combinations of audio settings in set-up > General
>> some give me results that work in Mplayer,  DVD and TV etc, but not in
>> the "playback from CD" area.
>>
>> I am running a pretty basic Setup > General audio setup
>>
>> Audio output device:     /dev/dsp
>> Passthrough Output Device:    default
>> Enable AC3 to SPDIF passthrough: Checked
>> Enable DTS to SPDIF passthrough: Checked
>> Aggressive sound card buffering: Off
>> Use Internal Volume Controls: Off
>>
>> I have an .asoundrc that looks like this.
>>
>> pcm.!default {
>>        type plug
>>        slave {
>>                rate 48000
>>                pcm "spdif"
>>        }
>> }
>>
>> Any tips? I suspect I have a sound configuration that requires further
>> tuning, I just need a bump in the right direction......
>>
>> Any help appreciated.
>>     
>
> Try this:
> delete or rename .asoundrc
> delete or rename alsa.conf
> Audio output device:  ALSA:spdif
> Passthrough output devide: ALSA:iec958:(AESO 0x02)
> max Audio channels Stereo (5.1 is broken, you will still get 5.1 if
> you check stereo)
> Upmix: Passive
> Enable AC3 to SPDIF passthrough: Checked
> Enable DTS to SPDIF passthrough: Checked
> Aggressive sound card buffering: Off
> Use Internal Volume Controls: Off
>
> I don't seem to have an option to play CD so I cannot test it but this
> setup works for everything else.
>
> Note: There is a very knowledgeable poster who may have a secret ASLS
> setup that works, but I have not found one and this setup has worked
> for several others who have had trouble.  We are hoping he posts his
> setup but until then, try this one.
>
> This works with Mythbuntu 8.04 and I think with 7.10 also. The issue
> is you want a version that has default alsa configurations so that you
> can safely delete the config files.
>
> Aparently the wiki is not intended to document passthrough, btw.
>
> Allen
>
>   
Allen,

Success! All I needed to do was rename/delete my .asoundrc, I have left 
everything else alone, and it works.

BTW, you play CD's by going into playlist mode and selecting the CD. Bit 
clunky interface wise, but there you are.


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