From: "Clemens Ladisch" <cladisch@fastmail.net>
To: Markus Franke <markus.franke@s2002.tu-chemnitz.de>,
alsa-devel@alsa-project.org
Subject: Re: DMA buffer gets played only once
Date: Wed, 05 Sep 2007 11:04:39 +0200 [thread overview]
Message-ID: <1188983079.7844.1208974467@webmail.messagingengine.com> (raw)
In-Reply-To: <46DE4AB1.20206@hrz.tu-chemnitz.de>
Markus Franke wrote:
> It seems like that after the 8th period is transferred
> pcm_trigger(TRIGGER_STOP) isn't getting called.
Indeed. The stop trigger is called when the entire stream is
to be stopped.
When the start trigger has been called, the hardware (or the driver) is
responsible for playing the ring buffer _repeatedly_. If the hardware
doesn't do this automatically, the driver has to reprogram it.
HTH
Clemens
next prev parent reply other threads:[~2007-09-05 9:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-05 6:20 DMA buffer gets played only once Markus Franke
2007-09-05 9:04 ` Clemens Ladisch [this message]
2007-09-05 9:17 ` Markus Franke
2007-09-05 12:55 ` Takashi Iwai
2007-09-06 4:36 ` Markus Franke
2007-09-06 5:14 ` Trent Piepho
2007-09-06 6:10 ` Markus Franke
2007-09-06 6:27 ` Markus Franke
2007-09-06 10:56 ` Takashi Iwai
2007-09-06 13:39 ` Trent Piepho
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