[mythtv-users] alsa9:spdif

Jarod Wilson jcw at wilsonet.com
Thu Apr 1 03:42:11 EST 2004


On Mar 30, 2004, at 06:01, Hamish Moffatt wrote:

> On Thu, Mar 04, 2004 at 11:27:10PM -0800, Peter van Rensburg wrote:
>> I've set the audio device to alsa9:iec958 or
>> alsa9:spdif and select ac3 pass through. No
>> combination of options works. I have to kill the
>> mythfrontend process. After I killed it I can see the
>> output to the console, or grab it from the log file:
>>
>> Input #0, mpeg, from
>> 'rbuf://127.0.0.1:6543/mnt/store//ringbuf1.nuv':
>>   Stream #0.0: Video: mpeg2video, 480x480, 29.97 fps
>>   Stream #0.1: Audio: mp2, 48000 Hz, stereo, 384 kb/s
>> 2004-03-05 23:37:40 Partial position map found
>> 2004-03-05 23:37:40 Opening OSS audio device
>> 'alsa9:iec958'.
>> Error opening audio device (alsa9:iec958):
>> alsa9:iec958: No such file or directory
>>
>> Why is it saying opening OSS device, should it not be
>> ALSA? And secondly why is it not finding the device?
>
> The Myth audio code looks for the magic prefix "ALSA:"
> in front of your ALSA device name.
>
> What is "alsa9"? I expect your device name is just "iec958",
> so put "ALSA:iec958" in myth. Perhaps alsa9 is an mplayerism.

Dunno if its mplayer-specific, but that is the only place I use it, so 
perhaps it is... I have ao = alsa9:spdif in my mplayer config file, for 
use with an Audigy.

-- 
Jarod C. Wilson, RHCE

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