[alsa-devel] Alsa MMAP emulation
pharaoh137 at gmail.com
Wed Mar 5 18:30:33 CET 2008
On Wed, Mar 5, 2008 at 7:51 AM, Clemens Ladisch <clemens at ladisch.de> wrote:
> Mathieu Monney wrote:
> > I'm trying to get working Alsa with the PortAudio library on an embedded
> > device (Nokia N810). The problem is that the sound driver is not an
> > hardware driver for Alsa but a plugin which deals with the internal DSP
> > of the device. This plugin doesn't support mmap'ing at all. So I was
> > wondering if it is possible to configure Alsa a way such PortAudio can
> > use mmap'ing on my DSP plugin ? I saw there is a mmap_emulation flag but
> > the problem is that it seems to be only available on HW driver and not
> > on alsa plugins.
> In alsa-lib 1.0.15, this function was moved into the mmap_emul plugin.
So, the original plugin need not be modified? mmap_emul plugin has to
be used on top of it?
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