[mythtv-users] HDMI audio: plughw:0, 7 works but hdmi:CARD=NVidia doesn't
Jean-Yves Avenard
jyavenard at gmail.com
Sun Feb 20 05:05:40 UTC 2011
Hi
On 20 February 2011 13:05, Dave Badia <dbadia at gmail.com> wrote:
> figured might as well try. Anyway, the DTS-HD soundtrack fails to
> play, here's the part of the frontend log with -vaudio:
> (Full log from the start of playing the video at http://pastebin.com/hXepZgsX )
You can output the logs; so surely you've read them and see what error
you could at least fix:
> 2011-02-19 20:44:48.883 ALSA, Error: Setting hardware audio buffer size to 640
> 2011-02-19 20:44:48.884 ALSA, Error: Error opening
> /proc/asound/card0/pcm7p/sub0/prealloc: Permission denied.
> 2011-02-19 20:44:48.884 ALSA, Error: Try to manually increase audio
> buffer with: echo 640 | sudo tee
> /proc/asound/card0/pcm7p/sub0/prealloc
So amazingly enough, you need to do:
echo 640 | sudo tee /proc/asound/card0/pcm7p/sub0/prealloc
to get started
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