Ram Shaffir (12020-07-02): > In the last few weeks, I’m struggling to figure out the reason for why > my ffmpeg command that works well when running in the console but has > ALSA buffer xrun errors when it runs as a systemd service in RPI, > until now I don’t know for sure where the problem is, is it in the > alsa settings or in my ffmpeg command; I truly hope you’ll help me > point me to the right solution!
ALSA xruns happen when ffmpeg does not read/write the audio device frequently enough and the hardware buffer fills/dries up. I suspect the difference lies in Linux giving different priorities to processes detected as interactive and processes detected as background. Regards, -- Nicolas George
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