Selec line to reproduce audio

[Nicolas Dufresne]

Le mer. 2 oct. 2019 22 h 10, diegoavila <diego_javila at hotmail.com> a écrit :

> Hello i have this pipeline : gst-launch-1.0 -v filesrc
> location=/home/arion/Downloads/test2.mp3 name=src ! decodebin !
> deinterleave
> keep-positions=true name=d interleave name=i ! autoaudiosink d.src_0 !
> queue
> ! volume volume=1 ! i.sink_1 d.src_1 ! queue ! volume volume=1 ! i.sink_2
> its totally working but i dont find how can i choose to send each channel
> to
> a different motherboard output, is it possible? i want to create a pipeline
> that i could change the volume without afecting the other lines
>

You can use multiple audiointerleave and multiple audio element. You'll
have to drop autoaudiosink and use the appropriate element for your
platform. Then configure the right device/output on it. One option is to
use the device provider API to enumerate those. Again, you'll have to set
the audio position mask.

Note that using jackd for that part, and limiting GStreamer use to parsing
and decoding is what I believe makes most sense.



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