At Thu, 08 Nov 2007 12:13:29 +0300, Stas Sergeev wrote: > > Hello. > > Takashi Iwai wrote: > > Not really. It checks appl_ptr of the client, not hw_ptr. appl_ptr > > is what app writes. So, as long as app writes only the period size, > > the hack isn't triggered. > No, its not that simple. > When the partially filled period > on slave appears, it then gets > populated back. Namely, snd_pcm_write_areas() > takes it via snd_pcm_avail_update(). > It then adjusts the "frames" accordingly, > and then also "size" gets infected. > Then the hack triggers. Yeah, but it's the case of partial writes again, i.e. when apps cannot write a full period size. When apps check its availability via poll, the hack isn't triggered. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
