[Jackaudio] Get raw pcm from jack port

Hannes Helmholz hannes.helmholz at chalmers.se
Tue Apr 7 23:42:33 CEST 2020

On 2020-04-07 23:02, Louis Foster wrote:
> I've been trying to find a good way to a stream of audio from jack into
> opusenc (the official opus encoder tool) and then pass it to something
> like oggfwd to send to Icecast. However, a few different things I've
> tried in python haven't worked out, and I'm trying to not have to rely
> on an "audio file player" (like sox or pyaudio) to sit in the middle.
> Now I'm wondering if there's a way I can get the raw pcm data from jack.
> Is this possible? Is there an existing tool?

You should be able to get raw audio data by means of any JACK API i.e.,
in Python this works very well with jack-client


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