[Jackaudio] Help testing librespot backend

Karsten tuxtrainer at t-online.de
Tue Apr 6 15:30:29 CEST 2021


Hi Roderick,

did you see a connection between the jack-devices using "jack_lsp -c" ?

“jack_simple_client” does autoconnect an output-Device  with an input-Device - does your
software too ?

Regards

Karsten



Am 06.04.2021 um 14:35 schrieb Roderick van Domburg:
> Hi guys,
>
> I’m contributing to librespot, which you might know as an open source client library for
> Spotify, and am writing you for your help to test changes to its JACK backend.
>
> I’m no JACK user myself and trying to test for regressions in a patch that handles
> Spotify samples in 32-bit floats instead of 16-bit integers (for doing volume control
> and normalization). However, I'm not getting any sound and wondering if I am doing this
> right.
>
> I’ve installed jackd2 1.9.12 on Raspian 10. I’ve got a working Alsa setup that outputs
> to an external DAC over I2S. I launched with “ jackd -dalsa -s -r 44100” and can hear a
> test tone playing when executing “jack_simple_client”. So far, so good.
>
> However, I’m not getting any sound (or errors) when launching playing music with
> librespot launched with “—name test --verbose --backend jack audio
> --disable-audio-cache”. This is both on my branch of work [1] as it is on the untouched
> development branch [2].
>
> Is there anything else I need to set up? Or better yet, could any librespot users chime in?
>
> Thanking you in advance,
>
> Roderick
>
> [1] https://github.com/librespot-org/librespot/pull/660
> [2] https://github.com/librespot-org/librespot
>
>
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> JackAudio at lists.linuxaudio.org
> https://lists.linuxaudio.org/listinfo/jackaudio

-- 
Schöne Grüße / Beste 73!
Karsten

"Intelligence should be used for the benefit of humanity."
"Nichts in der Welt wird so gefürchtet wie der Einfluss von Menschen,
die geistig unabhängig sind. (A.Einstein)"


-- 
Schöne Grüße
Karsten

"Intelligence should be used for the benefit of humanity."


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