>In the case above it's in frames. But it can be defined in bytes >depending on the hardware spec. Some hardware defines in the time >unit (like msec), too. Can you please tell me how to define in bytes ? >Now you know it. And remember that PA is often die-hard. So it means that I can not do rmmod until pulseaudio is removed , is it correct ? Regards, Chakravarthi On Tue, Aug 7, 2018 at 6:45 PM Takashi Iwai <tiwai@xxxxxxx> wrote: > > On Tue, 07 Aug 2018 15:12:08 +0200, > Chakravarthi Pradeep wrote: > > > > Dear Takashi, > > > > Thanks for your reply. > > > > > The "period" in ALSA PCM definition represents the interval time (or > > > frames) of the periodical interrupts on the ring buffer. If the irq > > > is issued for each 256 frames while the ring buffer size is 1024 > > > frames, periods = 1024/256 = 4. The periods_min defines the minimal > > > number of periods the hardware may accept. > > > > Is it 256 frames or 256 bytes ? > > In the case above it's in frames. But it can be defined in bytes > depending on the hardware spec. Some hardware defines in the time > unit (like msec), too. > > > fuser -v /dev/snd/* output is > > USER > > PID ACCESS COMMAND > > /dev/snd/controlC0 Dell 1815 > > F..... pulseaudio > > Now you know it. And remember that PA is often die-hard. > > > Takashi -- Thanks and Regards Chakravarthi Pradeep.K Ph: 91 9980434900 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
