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RtMidi: Haskell wrapper for RtMidi, the lightweight, cross-platform MIDI I/O library.

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Please see the README on GitHub at https://github.com/riottracker/RtMidi#readme

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Flags

Automatic Flags
NameDescriptionDefault
alsa

Enable ALSA sequencer api on Linux

Enabled
jack

Enable JACK api on Linux or OSX

Disabled

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info

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Candidates

Versions [RSS] 0.1.0.0, 0.1.1.0, 0.2.0.0, 0.3.0.0, 0.4.0.0, 0.5.0.0, 0.5.0.1, 0.5.0.2, 0.5.0.3, 0.6.0.0, 0.6.1.0, 0.7.0.0, 0.8.0.0
Dependencies base (>=4.14 && <5), deepseq (>=1.4.4.0 && <2), pretty-simple (>=4.0.0.0 && <5), RtMidi, vector (>=0.12.1.2 && <1) [details]
License MIT
Author kohlrabi, Eric Conlon
Maintainer ejconlon@gmail.com
Category Sound
Home page https://github.com/riottracker/RtMidi
Source repo head: git clone https://github.com/riottracker/RtMidi
Uploaded by ejconlon at 2023-08-14T18:42:16Z
Distributions
Reverse Dependencies 1 direct, 0 indirect [details]
Executables rtmidi-report, rtmidi-poll, rtmidi-playback, rtmidi-callback
Downloads 3119 total (23 in the last 30 days)
Rating (no votes yet) [estimated by Bayesian average]
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Status Docs uploaded by user
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Readme for RtMidi-0.8.0.0

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RtMidi

Haskell wrapper for RtMidi, the lightweight, cross-platform MIDI I/O library.

Version

The version of this library does not correspond to the RtMidi version (sorry). You can look at the justfile to see that we vendor sources from version 6.0.0.

How to use

See Hackage for the latest released version and add RtMidi and vector to your library build-depends.

Follow the callback example to receive messages.

Follow the playback example to send messages.

Development

This project is tested with Cabal (latest versions of last two compiler lines) and Stack (latest LTS).

You can get started with development like so (if you have just installed):

# Build and test on OSX CoreMIDI support or Linux with ALSA support.
# (You can also manually invoke stack and pass `--flag RtMidi:jack` for Jack support.)
just test

# Print information about all accessible MIDI devices and all compiled APIs.
just example-report

TODO

  • See if there is a way to autodetect Jack in the Cabal file.
  • See if there is a way to make OSX not take 3 seconds when initializing the MIDI subsystem.