From: James Courtier-Dutton <james.dutton@gmail.com>
To: Sverker Abrahamsson <sverker@abrahamsson.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: question about pointer callback
Date: Thu, 24 Nov 2005 16:04:40 +0000 [thread overview]
Message-ID: <ad2655cb0511240804v54226b71l@mail.gmail.com> (raw)
In-Reply-To: <009d01c5f101$2ab05e30$3d2aa8c0@Fiona>
On 24/11/05, Sverker Abrahamsson <sverker@abrahamsson.com> wrote:
> Hi
> I have a (maybe stupid) question about the pointer callback and it's
> purpose. Is it used for both playback and capture? As I understand it should
> return the availible data to read (for capture) in number of frames, but
> should it return the availible space to write to for playback also?
> /Sverker
If you mean the pointer callback in a sound card driver module, it
should point to the current possition of the ADC, DAC in the ring
buffer. So it is not "available data to read".
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prev parent reply other threads:[~2005-11-24 16:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-24 14:12 question about pointer callback Sverker Abrahamsson
2005-11-24 16:04 ` James Courtier-Dutton [this message]
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