On 4/3/21 6:24 PM, David Kastrup wrote: > Andrew Grathwohl <andrew@xxxxxxxxxxxx> writes: > >> Hi list, >> >> I am using jack_capture to record 2 inputs and 20 outputs going >> through SuperCollider for a duration of between 30-45 minutes, using >> the following command line: >> >> jack_capture -f wavex -p supernova:* test.wav >> >> This has worked well for my use case for several years. However, since >> yesterday this command line fails to capture the entire recorded >> performance, despite jack_capture showing the meters responding to the >> audio correctly. Whenever the recording duration exceeds approximately >> 20 minutes, the output file will only contain the first 5-10 >> minutes. However, if we only do a 5-10 minute recording, the entire >> recording is captured and saved properly. > > Sounds like a file size problem? Something like a 2GiB or 4GiB related > limitation? > > Have you changed file systems? > also try `jack_capture -f w64 -b 16 ...` By default jack-capture writes 32-bit float (4 bytes/sample). At 48kHz sample-rate, 22 channels you reach the 2^31 samples after 8'29". -- robin _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user
