[mythtv-users] spdif output failure.

Jean-Yves Avenard jyavenard at gmail.com
Mon Oct 19 07:02:02 UTC 2009


2009/10/19 Oz <ozdror at adelphia.net>:
>
> I have a newly installed system corei7 nvdia geforce 240 gts on ubuntu 9.10
> (mythbuntu, mythtv 0.22)
>
> The SPDIF sound works fine with the system sound. either on the optical or
> the HDMI output.
> When I try to play a recording in mythfrontend ( I set the mythtv output to
> either hdmi passthrough or alsa:iec958 passthrough)  there is no sound.
>
>
> I get the following error in mythtv.
>
> 2009-10-18 23:13:15.777 AFD: Opened codec 0x7f2cac7caa80, id(H264)
> type(Video)
> 2009-10-18 23:13:15.777 AFD: codec AC3 has 2 channels
> 2009-10-18 23:13:15.778 AFD: Opened codec 0x7f2cac7caeb0, id(AC3)
> type(Audio)
> 2009-10-18 23:13:15.780 Opening audio device 'spdif'. ch 6(2) sr 48000
> 2009-10-18 23:13:15.780 Opening ALSA audio device 'iec958:{ AES0 0x02 }'.
> 2009-10-18 23:13:15.825 AudioOutput Error: Channels count (6) not available:
> Invalid argument
> 2009-10-18 23:13:15.825 AudioOutput Error: Unable to set ALSA parameters
> 2009-10-18 23:13:15.826 NVP(0): Disabling Audio, reason is: Unable to set
> ALSA parameters
> 2009-10-18 23:13:16.088 NVP(0): Forcing decode extra audio option on (Video
> method requires it).
>
>
> any ideas how to fix that?

For spdif output with 0.22 you must set the number of speakers to
"Stereo" not 5.1


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