On 4/3/21 6:24 PM, David Kastrup wrote:
> Andrew Grathwohl <andrew@grathwohl.me> 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@lists.linuxaudio.org https://lists.linuxaudio.org/listinfo/linux-audio-userReceived on Sun Apr 4 04:15:01 2021
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