On Thu, 14 Feb 2002, Jaroslav Kysela wrote: >> - ALSA is unable to detect xruns inside mmap_begin()->mmap_commit() >> code block > I wonder why you say this. There is really very short time period in which > the hardware pointer can cross the application pointer and PCM code won't > react on this situation. There are no locks for the xrun detection between > mmap_begin() and mmap_commit().
Quoting Paul: "i recall abramo saying that if the xrun happens within an mmap_begin/commit pair, the driver can't detect it, or something like that." Anyways, in this case the hw pointer does reach the sw pointer and we won't notice it (snd_pcm_state() reports SND_PCM_STATE_RUNNING). > If you want to debug the real problem, try to print hw_ptr and appl_ptr > pointers when sound is garbled. I'll try that next. -- http://www.eca.cx Audio software for Linux! _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
