From: Clemens Ladisch <clemens@ladisch.de>
To: Aisheng Dong <dongas86@gmail.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: ALSA hw sample rate conversion support
Date: Wed, 30 Mar 2011 15:27:59 +0200 [thread overview]
Message-ID: <4D932FDF.2020907@ladisch.de> (raw)
In-Reply-To: <AANLkTikT+O+D1wQCVa0vsOQyMJcEHP9+9JEfCm=q+bho@mail.gmail.com>
Aisheng Dong wrote:
> Does ALSA core support hw sample rate conversion now?
Yes; this has always been supported for chips like Emu10k1.
> I wonder if current ALSA core provide interface to support hw sample
> rate conversion?
In your driver, set the ..._CONTINUOUS flag in the rates field (see the
section "Hardware Description" in the doc), and in the hw_params
callback, program the SRC according to the selected rate.
Regards,
Clemens
next prev parent reply other threads:[~2011-03-30 13:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-30 11:17 ALSA hw sample rate conversion support Aisheng Dong
2011-03-30 13:27 ` Clemens Ladisch [this message]
2011-03-30 15:32 ` Koul, Vinod
2011-03-30 19:09 ` Liam Girdwood
2011-03-31 17:45 ` Question about your DSP topic branch - hw param fix up query Patrick Lai
2011-03-31 21:35 ` Liam Girdwood
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