[mythtv-users] Video frame buffering failed too many times [0.26-fixes]

[Igor Cicimov]

On Sun, Jan 6, 2013 at 9:20 AM, Andréas Kühne <andreas at kuhne.se> wrote:

> I have tried setting the following as well, however the setting never
> changes. Also, how would I set it so that the change is permanent after
> each restart?
>
> Regards,
>
> Andréas
>
>
Hmmm works for me in Mythbuntu. I have it in startup script after ALSA gets
initiated and the mythtv user gets auto logged in. I set it to 32768 though
which is the max value for my device (found in
/proc/asound/card0/pcm0p/sub0/max_prealloc file)


> 2013/1/5 Igor Cicimov <icicimov at gmail.com>
>
>> On Sun, Jan 6, 2013 at 8:47 AM, Igor Cicimov <icicimov at gmail.com> wrote:
>>
>>>
>>> On 06/01/2013 7:51 AM, "Stephen Robertson" <stephengrobertson at gmail.com>
>>> wrote:
>>> >
>>> > Hi all,
>>> >
>>> > I'm getting this error when watching live TV.  I don't think I ever
>>> > see this watching recorded or in progress recordings.
>>> >
>>> > I've searched the archives and found references to this but they seem
>>> > to be from some time ago so I'm not sure whether this is a known
>>> > problem or whether it was thought to be fixed.
>>> >
>>> > As far as I can tell it seems to happen a few minutes after the
>>> > program has changed (Not the channel, this happens with no user
>>> > action).
>>> >
>>> > This is on a standalone FE connected via gigabit ethernet
>>> >
>>> > Any thoughts/suggestions welcome.
>>> >
>>> > Stephen
>>> >
>>>
>>> Is the problem showing on all channels or only SD or only HD? All
>>> stations or one specific? Looks like sound decoding error causing the video
>>> playback to back off waiting for the sound.
>>>
>>> > Logs at:
>>> > http://pastebin.com/nCzZAdcy
>>> > http://pastebin.com/0WbCRLBi
>>> >
>>> > MythTV Version : v0.26.0-55-g09ac5b2
>>> > MythTV Branch : fixes/0.26
>>> > Network Protocol : 75
>>> > Library API : 0.26.20120822-1
>>> > QT Version : 4.8.1
>>> > Options compiled in:
>>> >  linux profile use_hidesyms using_alsa using_oss using_pulse
>>> > using_pulseoutput using_backend using_bindings_perl
>>> > using_bindings_python using_bindings_php using_crystalhd using_dvb
>>> > using_firewire using_frontend using_hdhomerun using_ceton using_hdpvr
>>> > using_iptv using_ivtv using_joystick_menu using_libcec using_libcrypto
>>> > using_libdns_sd using_libxml2 using_lirc using_mheg using_opengl_video
>>> > using_qtwebkit using_qtscript using_qtdbus using_v4l2 using_x11
>>> > using_xrandr using_xv using_bindings_perl using_bindings_python
>>> > using_bindings_php using_mythtranscode using_opengl using_vaapi
>>> > using_vdpau using_ffmpeg_threads using_live using_mheg using_libass
>>> > using_libxml2
>>> > _______________________________________________
>>> > mythtv-users mailing list
>>> > mythtv-users at mythtv.org
>>> > http://www.mythtv.org/mailman/listinfo/mythtv-users
>>>
>> CoreContext audio/audiooutputalsa.cpp:242 (IncPreallocBufferSize) ALSA:
>> Try to manually increase audio buffer with: echo 128 | sudo tee
>> /proc/asound/card0/pcm0p/sub0/prealloc
>> Jan  5 10:38:58 revo01 mythlogserver: mythfrontend[1714]: I CoreContext
>> mythpainter_ogl.cpp:62 (ClearCache) Clearing OpenGL painter cache.
>>
>> Yeah have seen this before the sound buffer is set too low. Do as the
>> error message say:
>>
>> $ echo 4096 | sudo tee /proc/asound/card0/pcm0p/sub0/prealloc
>>
>> with 4096 instead 128 to be on the safe side and see if the error goes
>> away.
>>
>>
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>> mythtv-users at mythtv.org
>> http://www.mythtv.org/mailman/listinfo/mythtv-users
>>
>>
>
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