[FFmpeg-user] FFmpeg interrupted (SIGSTOP signal) but pipewire shows its node is still running

gnusuario at skiff.com gnusuario at skiff.com
Mon Feb 5 16:45:11 EET 2024

On Mon, 05 Feb 2024 08:34:09 GMT, Nicolas George

george at nsup.org wrote:

gnusuario--- via ffmpeg-user (12024-02-05): > I want to know if it is possible to stop recording sound while the > process is paused (stopped in signal terms).

FFmpeg cannot do ANYTHING after receiving a SIGSTOP. So you would need either sending TSTP and see if it behaves better, or take it to the authors of pipewire.


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I tried with SIGTSTP, no change or even worse. If ffmpeg is launched without a terminal emulator not only does audio continue being recorded, but video too. Ps output shows state Sl, so it's running. Apparently SIGTSTP is not caught.


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