[mythtv-users] Chaintech AV710 with S/PDIF output. mplayer hangs at 0.00 seconds

[James]

On Mon, June 1, 2009 1:13 am, Ryan Allen wrote:
> Hi MythTV users,
>
>
> I'm having a really frustrating time with my soundcard.  I've spent
> about 5 hours trying to get this guy to work.  It used to work with an old
> install on knoppmyth, but I recently upgraded to the latest mythbuntu
> (9.04) and It is silent.
>
>
> I'm testing with speaker-test and with mplayer, and they both seem to
> fail the same way.  They hang, with no error and no output.
>
> mplayer will hang here forever:
>
> mplayer -ao alsa:device=spdif -ac mad /test.mp3 MPlayer 1.0rc2-4.3.3 (C)
> 2000-2007 MPlayer Team
> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ (Family: 15,
> Model: 107, Stepping: 1)
> CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
> Compiled with runtime CPU detection.
>
>
> Playing /test.mp3.
> Audio file file format detected.
> ==========================================================================
>  Forced audio codec: mad
> Opening audio decoder: [libmad] libmad mpeg audio decoder
> AUDIO: 44100 Hz, 2 ch, s16le, 192.0 kbit/13.61% (ratio:
> 24000->176400)
> Selected audio codec: [mad] afm: libmad (libMAD MPEG layer 1-2-3)
> ==========================================================================
>  AO: [alsa] 44100Hz 2ch s16le (2 bytes per sample)
> Video: no video
> Starting playback...
> A:   0.0 (00.0) of 399.0 (06:39.0) ??,?%
>
>
>
>
> and speaker test will hang here:
>
> speaker-test -Diec958 -c2
>
> speaker-test 1.0.18
>
> Playback device is iec958
> Stream parameters are 48000Hz, S16_LE, 2 channels
> Using 16 octaves of pink noise
> Rate set to 48000Hz (requested 48000Hz)
> Buffer size range from 8 to 8192
> Period size range from 4 to 4096
> Using max buffer size 8192
> Periods = 4
> was set period_size = 2048 was set buffer_size = 8192 0 - Front Left --
hang
> forever --
>
>
> aplay -l **** List of PLAYBACK Hardware Devices ****
> card 0: AV710 [Chaintech AV-710], device 0: ICE1724 [ICE1724] Subdevices:
> 1/1
> Subdevice #0: subdevice #0
> card 0: AV710 [Chaintech AV-710], device 1: IEC1724 IEC958 [IEC1724 IEC958]
>  Subdevices: 1/1
> Subdevice #0: subdevice #0
>
>
>
>
>
> I wish there were more debugging available in the /var/log/messages
> or syslog, but so far just silence.
>
> Anybody have any suggestions???

I think there is a debug parameter for the alsa module.
Do 'lsmod' and if alsa is there, read the alsa website or ask on an alsa
list.
You try another distro.