On Tue, 9 Sep 2008, Takashi Iwai wrote: > At Mon, 8 Sep 2008 22:21:36 +0200, > Lennart Poettering wrote: > > > > On Fri, 05.09.08 21:02, Kevin Gilbert (kevin952@xxxxxxxxxx) wrote: > > > > > > > > Hi Takashi, > > > > > > On Fri, 5 Sep 2008, Takashi Iwai opined: > > > > Well, it's no bug in softvol, at least. The softvol doesn't do any > > > > format or layout conversions. The layout conversion is done via plug > > > > plugin applied onto the softvol. > > > > > > OK (not that I fully understand what you have said) but where does that leave > > > me? Is there something that I should try? Some ALSA or kernel configuration > > > option that might be in error? > > > > Takashi, as Kevin wrote originally, the problem is not that softvol > > doesn't do any format/layout conversions, but that it claims it > > does. PA asks softvol for INTERLEAVED samples, softvol agrees to > > that -- and actually hands us only NONINTERLEAVED samples because it > > doesn't reformat the from the underlying layer. > > > > So, it *is* a bug in softvol. However, you are right that it doesn't > > do any conversions. > > Does it happen only with softvol? For example, try to put any > other conversion, such as, linear plugin instead of softvol. > Could you check whether it works? > > Basically softvol does nothing special, just like other normal plugins. > So I don't think this is specific to softvol. Also, output from snd_pcm_dump() after initialization (before samples r/w) might help us to determine the problem. I'll try to reproduce this behavior with the snd-dummy module. Jaroslav ----- Jaroslav Kysela <perex@xxxxxxxx> Linux Kernel Sound Maintainer ALSA Project, Red Hat, Inc. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
