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Cross-platform audio in Rust
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ishitatsuyuki e9043c605a Fix WASAPI capture logic 
The buffer size handling differs from what render streams uses. Logic is based on https://github.com/microsoft/Windows-universal-samples/blob/master/Samples/WindowsAudioSession/cpp/WASAPICapture.cpp.
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README.md

CPAL - Cross-Platform Audio Library

Build Status Crates.io docs.rs

Low-level library for audio input and output in pure Rust.

This library currently supports the following:

  • Enumerate supported audio hosts.
  • Enumerate all available audio devices.
  • Get the current default input and output devices.
  • Enumerate known supported input and output stream formats for a device.
  • Get the current default input and output stream formats for a device.
  • Build and run input and output PCM streams on a chosen device with a given stream format.

Currently supported backends include:

  • Linux (via ALSA)
  • Windows
  • macOS (via CoreAudio)
  • iOS (via CoreAudio)
  • Emscripten

Note that on Linux, the ALSA development files are required. These are provided as part of the libasound2-dev package on Debian and Ubuntu distributions and alsa-lib-devel on Fedora.