Re: [Jack-Devel] Jack_Capture not starting anymore after having Jackd running as systemd service

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DateMon, 10 Dec 2018 23:56:30 +0100
From Kjetil Matheussen <[hidden] at gmail dot com>
To[hidden] at microfx dot de
CcJACK <[hidden] at lists dot jackaudio dot org>
In-Reply-To[hidden] at microfx dot de Re: [Jack-Devel] Jack_Capture not starting anymore after having Jackd running as systemd service
Follow-UpKjetil Matheussen Re: [Jack-Devel] Jack_Capture not starting anymore after having Jackd running as systemd service
On Mon, Dec 10, 2018 at 11:37 PM [hidden] <[hidden]> wrote:
>
> that indeed looks like a solution! But I would need to know if jack_capture is recording to stop it again because I want to use a button to trigger start/stop of the recording - and I can’t think of a solution right away. Good input for the recording directory - I was asking myself how to do that since I couldn’t find that in the help file.
>

A little bit hacky, but you can use the --hook* functions to make
jack_capture run arbitrary commands when starting and stopping:

"
[kjetil@localhost jack_capture]$ more hookstart.sh
#!/bin/sh

touch /tmp/jack_capture_is_recording

[kjetil@localhost jack_capture]$ more hookstop.sh
#!/bin/sh

rm -f /tmp/jack_capture_is_recording
"

And if you run jack_capture with the arguments

  --hook-close ./hookstop.sh --hook-timing ./hookstart.sh

The file /tmp/jack_capture_is_recording will exist when recording.
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