Re: [alsa-devel] arecord: buffer-size dependency on period-size and other params

On Wed, 15 Jan 2020, Rajwa, Marcin wrote:

level). So to be specific I issue such command: arecod -Dplughw:0,8 -r 16000 -c 2 -f S24_LE --buffer_size 1280000 tmp.wav -vvv. The arecord response for this is buffer size of 31992 frames, 255936 bytes. Now let me also tell the buffer size of 1280000 bytes is the maximum buffer size our driver allows, likewise max period is 268800 bytes. Now if inside

Not an answer to your problem, but just a note: according to arecord -h, the --buffer_size parameter is in frames (in your case, with S24_LE and 2 channels, the frame size is 4*2 = 8 bytes), not bytes.

/Ricard