[maemo-developers] Recording audio in python

[From: Stefan Kost]

Mark Chang schrieb:
> Sorry for the ignorance -- I just got this thing :).
> 
> We are trying to do recording from the microphone input and playback
> using Python. The archives tell me that I can do playback through
> osso-media-server or through gstreamer, and that the osso thing is the
> native playback mechanism. I saw some demo playback code in Kagu here:
> 
> http://kagumedia.com/projects/kagu/browser/trunk/src/kagu/ossoplayer.py
> 
> and some gstreamer code there as well. The archives also tell me that
> I should record using gstreamer.
> 
> Questions:
>  1) is there a canonical tutorial/example for using osso-media-server,
> or shall I learn from Kagu?
>  2) is there the same for audio recording using gstreamer?
> 
> I am new to the gstreamer thing, so be gentle ;)
> 

Use gstreamer for both. Osso-media-server is not public api. Just look at 
general python gstreamer ressources and then use dsppcmsrc/sink instead of 
alsasrc/sink. Be also aware that the src is made for voip add and only support 
8khz (yes, thats a pity).

Stefan