[pulseaudio-discuss] [alsa-devel] SNDRV_PCM_INFO_BATCH
clemens at ladisch.de
Tue Mar 4 06:50:04 PST 2014
David Henningsson wrote:
> So, PulseAudio removed timer scheduling for drivers with
> SNDRV_PCM_INFO_BATCH, and released 5.0. Meanwhile, USB drivers still
> have SNDRV_PCM_INFO_BATCH, so this leads to performance regressions for
> USB sound cards.
> The question remains - what does SNDRV_PCM_INFO_BATCH really mean?
For your purposes, it means that the pointer accuracy is likely to be
worse than that of other sound cards.
There should be a mechanism to report the actual granularity.
More information about the pulseaudio-discuss