[mythtv-users] Sound in recordings and livetv

[wouter lists]

I tried it last night, but ALSA:spdif and ALSA:iec958 gives errors that the
device cannot be found.

aplay -D spdif /usr/share/sounds/KDE_Error.wav
ALSA lib confmisc.c:1107:(snd_func_refer) Unable to find definition '
cards.HDA-Intel.pcm.iec958.2:CARD=0,AES0=4,AES10,AES2=0,AES3=2'
ALSA lib conf.c:3492:(_snd_config_evaluate) function snd_func_refer returned
error: No such file or directory
ALSA lib conf.c:3961:(snd_config_expand) Evaluate error: No such file or
directory
ALSA lib pcm.c:2099:(snd_pcm_open_noupdate) Unknown PCM spdif
aplay: main:547: audio open error: No such file or directory

Strange.

On 7/19/06, Michael T. Dean <mtdean at thirdcontact.com> wrote:
>
> On 07/18/2006 06:49 PM, Nick wrote:
>
> >On 18/07/06, wouter lists <wouter.lists at gmail.com> wrote:
> >
> >
> >>I have a weird problem. I have a X86_64 mythtv setup connected to an
> >>external amplifier via spdif. The line-up is 5.1.
> >>
> >>If I use mplayer and play a mp3 file, I have sound on all my
> loudspeakers.
> >>
> >>If I open livetv, I only get sound in the front speaker. If I open the
> >>recorded file in mplayer, I only get sound in the front speaker.
> >>
> >>I have used the example file in the mythtv documentation to get
> >>/etc/asound.conf. I'm now outputting to digital-hw.
> >>
>
> I hope to "digital" (digital-hw is /not/ for direct use).  See the
> updated comments on the ALSA config file at
>
> http://mythtv.org/wiki/index.php/DigitalSoundHowTo#Setting_up_ALSA.27s_.asoundrc.2C_Properly
> .
>
> >> I tried already the
> >>other settings, but that doesn't make any difference.
> >>
> >>
> >
> >What does your external amplfier describe the incoming audio signal
> >from MythTV as?
> >
> >If you use ALSA:spdif or ALSA:iec958 as your MythTV playback device
> >(and have AC3 passthrough enabled) does this improve things for
> >LiveTV/recordings?
> >
>
> Yeah, it looks like the digital and mixed-digital configurations need
> updating to work with AC-3 and DTS.  I'll probably get to that in
> Sep/Oct timeframe.  Until then, "ALSA:iec958" should work (but may break
> MythMusic or MythVideo output in some cases)...
>
> Mike
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