RubyAlsa?

ruby-alsa is a ruby binding of ALSA library.

Features

• native mapping performed with ruby-ffi
• PCM Playback and Capture "high level" API

Examples

Play a raw audio content :

Playback.open do |playback|
  playback.write do |length|
    $stdin.read(length)
  end
end

Capture an audio content :

Capture.open do |capture|
  capture.read do |buffer, frame_count|
    $stdout.write buffer
  end               
end

Install

As a gem

ruby-alsa gem is available on GemCutter :

gem install ruby-alsa

Sources

This project is released under GNU General public License 3 by Tryphon.

The sources are available in a git repository :

git clone git://projects.tryphon.eu/ruby-alsa

References

• ALSA
• Ruby FFI