Identifying matched ins and outs
Identifying matched ins and outs
- Subject: Identifying matched ins and outs
- From: Mark Gilbert <email@hidden>
- Date: Sun, 12 Sep 2004 09:58:23 +0100
Folks,
Does anyone know if there is a way to identify inputs and outputs
which 'match'.
I use the example of a MOTU 896HD.
It has lots of inputs, but the first 8 are 8 microphone inputs (it
them goes onto ADAT and AES EBU i/ps)
On the output side, it also has 8 outputs which seem to correspond to
the 8 mic inputs (they are next to them on the box). However in Core
Audio, the 896's Main Stereo out are indexed as 1 and 2 in the stream
descriptor.
So, if you flatten all the streams (as we do) into one family of 20
ins and however many outs, input and output 1 are NOT the 'same'
Our app tries to avoid the need for a complex cross point setup
matrix, and in our playback/echo mode, we loop inputs to outputs by
index.
So, recording input stream channels 1-8 then playing back through
output stream channels 1-8 actually sends 1,2 to the Main outs and
then 3-8 to outputs 1-6
Can anyone advise whether coreaudio has a solution to this conundrum,
in the way of an information selector to 'identify' associated ins
and outs ?
Cheers
Mark Gilbert.
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