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https://github.com/munshkr/rawmidi-ruby

Ruby FFI binding for ALSA RawMIDI
https://github.com/munshkr/rawmidi-ruby

alsa alsa-rawmidi midi ruby

Last synced: 14 days ago
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Ruby FFI binding for ALSA RawMIDI

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README

        

# rawmidi-rb

ALSA RawMIDI bindings for Ruby

## Usage

### List cards and devices

```ruby
RawMIDI::Card.all
#=> [#,
#]

card = RawMIDI::Card.new(1)
#=> #

card.outputs
#=> [#]

RawMIDI::Output.all
#=> [#]
```

### MIDI Output

```ruby
out = RawMIDI::Output.all.first
out.open

out.write [0x90, 60, 100] # note on

sleep 1

out.write [0x90, 60, 0] # note off
out.close
```

### MIDI Input

*to do*

## Installation

*NOTE*: This is still incomplete, so I still haven't published it to Rubygems.
You'll need to clone the repository and install it with `rake install`, or use
Bundler.

Add this line to your application's Gemfile:

```ruby
gem 'rawmidi'
```

And then execute:

$ bundle

Or install it yourself as:

$ gem install rawmidi

## Development

After checking out the repo, run `bin/setup` to install dependencies. Then, run
`rake test` to run the tests. You can also run `bin/console` for an interactive
prompt that will allow you to experiment.

To install this gem onto your local machine, run `bundle exec rake install`. To
release a new version, update the version number in `version.rb`, and then run
`bundle exec rake release`, which will create a git tag for the version, push
git commits and tags, and push the `.gem` file to
[rubygems.org](https://rubygems.org).

## Contributing

Bug reports and pull requests are welcome on GitHub at
https://github.com/munshkr/rawmidi-rb. This project is intended to be a safe,
welcoming space for collaboration, and contributors are expected to adhere to
the [Contributor Covenant](http://contributor-covenant.org) code of conduct.

## License

The gem is available as open source under the terms of the [MIT
License](http://opensource.org/licenses/MIT).