From: David Henningsson <david.henningsson@canonical.com>
To: Enno Fennema <ennofennema@tele2.nl>
Cc: Daniel Sanz <daniellsanz2@gmail.com>,
Trent Piepho <tpiepho@gmail.com>,
Clemens Ladisch <clemens@ladisch.de>,
alsa-devel@alsa-project.org
Subject: Re: snd_pcm_wait function (really snd_pcm_draiin)
Date: Fri, 16 Nov 2012 20:10:38 +0100 [thread overview]
Message-ID: <50A68FAE.9010505@canonical.com> (raw)
In-Reply-To: <50A6695B.6080202@tele2.nl>
On 11/16/2012 05:27 PM, Enno Fennema wrote:
> On 11/16/12 11:41, Daniel Sanz wrote:
>> Thanks, Trent, I've been playing a bit with snd_pcm_drain,
>> snd_pcm_writei, blocking mode, non-blocking mode, etc. but even if I
>> ...
>
> I wanted to play a short sound and release the pcm. It works with a
> non-block drain as Clemens suggested.
>
> I noticed using gettimeofday() around drain() that it takes a bit over 2
> seconds. Rather long for a sound that only takes 0.1 sec.
That is a known pulseaudio problem; which we also noted on PulseConf a
few weeks ago. I want to do something about it but it is not on the top
of my priority list right now.
Are the rest of you trying with PulseAudio as well? Maybe it could be
worth also trying the direct plughw path do see if the behaviour is
different.
--
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic
next prev parent reply other threads:[~2012-11-16 19:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-12 7:23 snd_pcm_wait function Enno Fennema
2012-11-12 7:36 ` Clemens Ladisch
2012-11-12 20:57 ` Trent Piepho
2012-11-13 0:15 ` Daniel Sanz
2012-11-13 4:45 ` Trent Piepho
2012-11-16 10:41 ` Daniel Sanz
2012-11-16 16:27 ` snd_pcm_wait function (really snd_pcm_draiin) Enno Fennema
2012-11-16 19:10 ` David Henningsson [this message]
2012-11-19 11:10 ` Daniel Sanz
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