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From: "Andreas Bießmann" <biessmann@corscience.de>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: Question to sophisticated alsa developer
Date: Wed, 05 Aug 2009 16:02:07 +0200	[thread overview]
Message-ID: <4A7990DF.2060606@corscience.de> (raw)
In-Reply-To: <9e4733910908050546w3c268db9h7ccd4fa37ecd0099@mail.gmail.com>

Hi Jon,

Jon Smirl schrieb:
> When the last sample plays it generates an interrupt. ALSA sends a
> STOP back after this interrupt. But the audio hardware continues
> playing between this interrupt and receiving the STOP. Since the last
> valid sample generated the interrupt, the hardware is playing garbage
> (stale data) while waiting on the STOP. Probably  500us worth of stale
> data.,

This sounds correct an I will investigate this. But I wonder why the
stale data does not appear when I use aplay without dmix layer. Have you
some explanation for this?

regards

Andreas Bießmann

  reply	other threads:[~2009-08-05 14:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-05 11:05 Question to sophisticated alsa developer Andreas Bießmann
2009-08-05 12:46 ` Jon Smirl
2009-08-05 14:02   ` Andreas Bießmann [this message]
2009-08-05 14:26     ` Jon Smirl

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