[vdr] Re: ffmpeg, alsa and softdevice: choppy sound and video

[Dominique Dumont <domi.dumont@free.fr>]

Stefan Lucke <stefan@lucke.in-berlin.de> writes:

>>From you other post: your are running an NPTL system, right ?
>
> Have you tried my usleep patch I posted here:
>
> http://www.linuxtv.org/mailinglists/vdr/2004/08-2004/msg00093.html

Yes, I've just tried it. No improvement.

Here's the syslog output:

Aug 14 21:00:53 localhost vdr[2448]: [softdevice-audio] Period size 8 Buffer size 8192
Aug 14 21:00:53 localhost vdr[2448]: [softdevice-audio] Hardware initialized
Aug 14 21:00:53 localhost vdr[2448]: [softdevice-audio]: xrun
Aug 14 21:00:54 localhost vdr[2450]: [VideoOut]: resolution changed: W(736 -> 480); H(576 ->576) 
Aug 14 21:00:54 localhost vdr[2450]: [VideoOut]: aspect changed (-100 -> 0 ; -100.000000 -> 1.333333)
Aug 14 21:00:54 localhost vdr[2448]: [softdevice-audio]: xrun
Aug 14 21:00:54 localhost vdr[2448]: [softdevice-audio]: xrun
Aug 14 21:00:54 localhost vdr[2445]: channel 4 (Beur TV) event 06:00 'BEUR TV' status 4
Aug 14 21:00:54 localhost vdr[2448]: [softdevice-audio]: xrun
Aug 14 21:01:07 localhost last message repeated 47 times
Aug 14 21:01:07 localhost vdr[2448]: buffer usage: 80% (tid=114696)
Aug 14 21:01:07 localhost vdr[2448]: buffer usage: 85% (tid=114696)
Aug 14 21:01:07 localhost vdr[2448]: [softdevice-audio]: xrun
Aug 14 21:01:07 localhost vdr[2448]: buffer usage: 90% (tid=114696)
Aug 14 21:01:08 localhost vdr[2448]: buffer usage: 95% (tid=114696)
Aug 14 21:01:08 localhost vdr[2448]: [softdevice-audio]: xrun
Aug 14 21:01:08 localhost vdr[2448]: buffer usage: 100% (tid=114696)
Aug 14 21:01:09 localhost vdr[2448]: [softdevice-audio]: xrun
Aug 14 21:01:10 localhost vdr[2448]: [softdevice-audio]: xrun


The buffer usage message appeared after I released X11. They probably
were emoitted while I was dragging a xterm's corner.

After these last outputs I got no more errors for several minutes.

HTH