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From: Clemens Ladisch <clemens@ladisch.de>
To: Enno Fennema <ennofennema@tele2.nl>
Cc: alsa-devel@alsa-project.org, daniellsanz2@gmail.com
Subject: Re: snd_pcm_wait function
Date: Mon, 12 Nov 2012 08:36:41 +0100	[thread overview]
Message-ID: <50A0A709.1050307@ladisch.de> (raw)
In-Reply-To: <50A0A3FE.4090901@tele2.nl>

Enno Fennema wrote:
> I want to close the pcm AFTER the sound finished.

Then close it after snd_pcm_drain() has returned.

> The docs say calling drain() puts the pcm in the DRAINING state.

It also waits until the device has drained (unless the device is in
non-blocking mode).

> When I obtain the state immediately after drain() it is already SETUP.
> I hoped a state change from DRAINING to SETUP  would be the right time
> to close the pcm but there appears to be no such state change.

That change happens immediately before snd_pcm_drain() returns.


Regards,
Clemens

  reply	other threads:[~2012-11-12  7:36 UTC|newest]

Thread overview: 11+ 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 [this message]
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
2012-11-19 11:10               ` Daniel Sanz
  -- strict thread matches above, loose matches on Subject: below --
2012-11-10 16:43 snd_pcm_wait function Enno Fennema
2012-11-10 17:20 ` Clemens Ladisch

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