[alsa-devel] Problem with PPH plugin

Anton Yashin fynjy-007 at yandex.ru
Thu Jan 21 12:19:24 CET 2010

Takashi Iwai <tiwai <at> suse.de> writes:

> OK, just one more thing to be sure -- does this happen also with samplerate
> plugin?  I suppose it's PPH specific, but it's not clear whether this comes
> from the PCM core side or just in the SRC side.

You mean alsa-plugins-samplerate ? No this issue exists if alsa-plugins is
installed. Installing or uninstalling alsa-plugins-samplerate does not change
the situation.

> Also, did you see any similar error with other apps?
> thanks,
> Takashi

There is unique to firefox. Is the only browser that makes sounds. The rest
multithreaded audio output is working properly. For example i can watch two
videos at once on youtube.

One more thing. Raymond	says:
>is flashsupport.c the source code of libflashplayer.so 
>It seem that there are some bugs in flashsupport.c 
>#14 0xb5ae6379 in snd_pcm_mmap_writei (pcm=0xb0c96ac0, buffer=0xaa1ae000,
size=940) at pcm_mmap.c:186
>#15 0xb5ad415e in _snd_pcm_writei (size=<value optimized out>, buffer=<value
optimized out>, pcm=<value optimized out>) at pcm_local.h:516
>#16 snd_pcm_writei (size=<value optimized out>, buffer=<value optimized out>,
pcm=<value optimized out>) at pcm.c:1247
>#17 0xab01acd4 in ?? () from /usr/lib/browser-plugins/libflashplayer.so
>#18 0xab01af15 in ?? () from /usr/lib/browser-plugins/libflashplayer.so
>#19 0xb7e876e5 in start_thread (arg=0x0) at pthread_create.c:297
>#20 0xb7e87600 in ?? () at pthread_create.c:216 from /lib/libpthread.so.0

at https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4878

Later I will send a bug in the adobe.



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