[PD] using multiple asio devices

Miller Puckette msp at ucsd.edu
Mon Nov 11 18:22:49 CET 2013

I've never done this (and Pd doesn't support multiple devices through
portaudio which is the only path into ASIO that I know of).  If I were
doing this I'd re-write s_audio_pa.c to support multiple portaudio
devices -- but I'm not sure ASIO itself is capable of this!

If it turns out that only one ASIO device may be open per process, the
only "out" I can see is to write an extern that kicks up a new process
(or perhaps use pd~ to make the process so that the extern need only
open ASIO within the existing process).  There will be sync issues.


On Mon, Nov 11, 2013 at 05:59:26PM +0100, IOhannes m zmoelnig wrote:
> Hash: SHA256
> hi all,
> i wonder whether anybody found a solution on w32 to use multiple ASIO
> devices at the same time.
> background: we are using a multi-channel *input* (that is: no output)
> soundcard (with only ASIO drivers).
> we would like to hear what we are recording, so we need to access
> another soundcard (with outputs) in the same instance of Pd.
> let's assume that the two soundcards are synched somehow.
> fgasmdr
> IOhannes
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