At Wed, 11 Feb 2009 18:21:11 +0100, Tim Blechmann wrote: > > hi all, > i am currently fighting with the snd_pcm_runtime.buffer_size. how is the > value defined? > > i would expect: > channels * periods * period_size * sample_bits/8 > (in my case 64*5*128*3) > > however in the code, i am working on, it seems to be: > periods * period_size > (in my case 5*128) > > am i missing something obvious? There is a difference between buffer_size and buffer_bytes. The former is in "frame" unit while the latter is in bytes. In ALSA, 1 frame corresponds to (channels*sample_bits/8) bytes. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
