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rtutil: Simple CLI PCM audio file recorder/player

A small weekend project under 10K LOC using C++20 utilizing RtAudio and Libsndfile.

Usage: Recording

Record a mono audio using default sound device at 16000 Hz sample rate:

rtutil -r rec.wav

Record a stereo audio file using non-default device at 48000 Hz sample rate:

rtutil -d 4 -R 48000 -r rec.wav

Usage: Playing

Play an audio file using default device:

rtutil -p music.au

Play an audio file using non-default device:

rtutil -d 4 -p music.au

TODO

  1. Fix queuing issues in playback. There are some dropped samples here and there.
  2. Resample audio from file if sample rate is not supported by device.

License

Copyright (C) 2022 Ayan Shafqat [email protected]

This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.