8 Sep
2009
8 Sep
'09
11:49 a.m.
On Tue, Sep 8, 2009 at 2:39 AM, Clemens Ladisch<clemens(a)ladisch.de> wrote:
Paul Davis wrote:
the documentation for snd_pcm_writei() notes:
"If the blocking behaviour is selected, then routine waits until all
requested bytes are played or put to the playback ring buffer. The
count of bytes can be less only if a signal or underrun occurred."
do you want to clarify your comment about "no additional buffering"?
On Mon, Sep 7, 2009 at 10:54 AM, Clemens
Ladisch<clemens(a)ladisch.de> wrote:
I don't know about "those days", but if that was the case then, it has
indeed changed. Paul Davis wrote:
something must have changed. "back in the day", you could not possible
use the mmap API to deliver > 1 period at a time. has that changed? snd_pcm_write() and snd_pcm_read(), IIRC, allow
reads&writes of chunks
of data that are not period-sized.
Yes. So does snd_pcm_mmap_commit().