Hi, I mean example code of a driver which works either on PCM and MP3 (or other compressed) audio stream. Reagrds David On Mon, Mar 15, 2010 at 2:14 PM, Mark Brown < broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > On Mon, Mar 15, 2010 at 02:02:39PM +0000, Dajun Chen wrote: > > > I am wondering where to find the guidances of developing a device driver > for > > a codec device which has a built-in DSP for MP3 (and tracks in other > format) > > playback and recording? > > OOI which device? > > I'm not sure what you mean by guidance here. The standard thing would > be to do it as a regular CODEC driver with a custom interface for > userspace (eg, gstreamer) to talk to. The best way of handling DAPM > will depend on implementation but probably representing the output of > the DSP as an input pin will be easiest. > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
