[mythtv-users] New issue - stuttering audio on playback of certain recordings/videos

[Jean-Yves Avenard]

On 13 May 2011 10:59, Bob Sully <rcs at malibyte.net> wrote:
> Here's a snippet from the frontend log which might be pertinent.  This
> file is said by the frontend menu to be AC-3, 5.1 format; it was recorded
> from the HD-PVR with S/PDIF audio:

>
> 2011-05-12 17:52:02.925 AFD: Opened codec 0x7f56043b7cd0, id(H264)
> type(Video)
> 2011-05-12 17:52:02.925 AFD: codec AC3 has 2 channels

This states that it is a stereo file...

Can you post a sample somewhere?

> 2011-05-12 17:52:02.926 AFD: Opened codec 0x7f56043ce570, id(AC3) type(Audio)
> 2011-05-12 17:52:02.928 AO: Opening audio device 'iec958:CARD=Intel,DEV=0'
> ch 2(2) sr 48000 sf signed 16 bit reenc 1
> 2011-05-12 17:52:02.929 ALSA, Error: Setting hardware audio buffer size to
> 128
> 2011-05-12 17:52:02.929 ALSA, Error: Error opening
> /proc/asound/card0/pcm1p/sub0/prealloc: Permission denied.
> 2011-05-12 17:52:02.929 ALSA, Error: Try to manually increase audio buffer
> with: echo 128 | sudo tee /proc/asound/card0/pcm1p/sub0/prealloc
> 2011-05-12 17:52:02.929 ALSA, Error: Unable to sufficiently increase ALSA
> hardware buffer size - underruns are likely

Well do what it says if you don't want to see that message !

JY