[mythtv-users] alsa works with mplayer, but not mythtv
Jarod C. Wilson
jcw at wilsonet.com
Mon Dec 15 03:00:02 EST 2003
On Dec 14, 2003, at 19:26, Peter Lee wrote:
> I hesitate to ask this question, because I am dead-certain that it has
> already been addressed before. But an afternoon of grep'ing around
> failed
> to turn up the answer...
>
> I have recently installed 0.12 on RH9, using Jarod's instructions (wow
> ---
> are they ever *great* instructions! No issues at all and the whole
> install,
> for a relative newbie, took less than an hour after RH9 was
> installed). The
> machine is using a pvr-250 for encoding and running on an XP1800+ on
> an Asus
> A7N8X-X motherboard. Initially I was using the onboard audio, but
> since the
> machine also has a SoundBlaster Live! card, I decided to install alsa,
> with
> the idea of using SBLive's spdif output through my a/v receiver.
>
> Now, the problem: I am not getting any audio from the SBLive line-out
> when I
> run mythtv. Note, however, that (1) I *do* get audio from the
> motherboard's
> onboard line-out (and in fact that is how I have been watching mythtv
> for
> the past few days), and (2) I *do* get audio from the SBLive line-out
> when I
> run mplayer.
>
> What is going on here? I suspect that there is something simple in the
> setup that I've neglected, but I haven't been able to figure it out.
> And
> from reading the archives, I suspect that this is a much simpler sound
> problem than has been addressed recently.
I was running into this tonight with my recently upgraded to 0.13 and
Fedora Core system, and the fix was to disable AC3 passthrough to SPDIF
in the frontend settings. I don't remember if that was there in 0.12
though. :-\
Did you also enabled the SPDIF output in alsamixer or gnome-alsamixer?
You have to explicitly turn it on.
--
Jarod C. Wilson, RHCE
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