> 2) why PA use snd_pcm_hw_params_get_buffer_size_max() instead of > snd_pcm_hw_params_get_buffer_size() after snd_pcm_hw_params() ? Precisely to use the maximum preallocated buffer size. > I: module-alsa-sink.c: Using 2 fragments of size 4096 bytes, buffer time is > 46.44ms > D: alsa-util.c: buffer_size : 2048 > D: alsa-util.c: period_size : 1024 With small buffers like this, I don't see the point of the timer-based scheduling, you will have one interrupt every 23ms. > 5) it seem bug in snd_pcm_sw_params_set_avail_min() since 4661 is larger > than the buffer size 2048 since PA still think that 371ms is the maximum > buffer size > > > D: alsa-util.c: buffer_size : 2048 > D: alsa-util.c: period_size : 1024 > D: alsa-util.c: period_time : 23219 > D: alsa-util.c: tstamp_mode : NONE > D: alsa-util.c: period_step : 1 > D: alsa-util.c: avail_min : 4661 This doesn't make sense. But avail_min isn't really used with the timer-based scheduling > > For pulseaudio-0.9.14 on Fedora 10 Man, you are using an old version here, the alsa sink code was changed several times already. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel