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Web MIDI

Status

Enabled by default at m43

The base spec is Working Draft 17 March 2015, but MIDIOut::clear() is missed.

MIDIMessageEvent::receivedTime deprecation

deprecated at m54, and will be removed at m56.

W3C spec

Latest editor's draft: http://webaudio.github.io/web-midi-api
Issue tracker: https://github.com/WebAudio/web-midi-api/issues

Implementation notes

OS native software synths are partially disabled on Windows for security reasons
sysex permission can be allowed only for secure source like https:// or http://localhost

See Prefer Secure Origins For Powerful New Features

sysex is not available from Chrome Apps (crbug.com/266338)

Web MIDI content layer - Design overview

Chromium open issues

Cr=Blink-WebMIDI @ crbug.com

Trouble shooting

Crashes for OOM on Windows: VirtualMIDISynth may be the root. See https://crbug.com/493663.

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