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TITLE:: MIDIClient
summary:: Basic access to MIDI on your computer
categories:: External Control>MIDI
related:: Classes/MIDIIn, Classes/MIDIOut, Classes/MIDIFunc, Classes/MIDIdef, Guides/MIDI, Guides/UsingMIDI
DESCRIPTION::
MIDIClient is the core class that provides access to the MIDI subsystem on your computer.
See the link::Guides/UsingMIDI:: helpfile for practical considerations and techniques for using MIDI in SC.
CLASSMETHODS::
private:: prInit, prDisposeClient, prInitClient, prList
METHOD:: init
Initializes the MIDIClient, checks which available MIDI sources and destinations there are, and opens as many connections as desired.
ARGUMENT:: inports
the number of MIDI input connections to open; if code::nil:: then opens as many inports as there are MIDI sources.
ARGUMENT:: outports
the number of MIDI output connections to open; if code::nil:: then opens as many outports as there are MIDI destinations.
ARGUMENT:: verbose
A flag whether or not to post the MIDI sources and destinations that were found. Default is true.
METHOD:: initialized
A flag that tells whether of not the MIDIClient has been initialized.
METHOD:: disposeClient
Cleans up the MIDIClient. After using this method, you will have to reinitialize the MIDIClient before you can use MIDI again.
METHOD:: list
Created the list of available sources and destinations.
METHOD:: sources
The list of available MIDI sources, including SuperCollider's own sources.
returns:: A code::List:: of code::MIDIEndPoints::
METHOD:: externalSources
The list of available MIDI sources, excluding SuperCollider's own sources. Only on Linux the list of code::sources:: and code::externalSources:: differs.
returns:: A code::List:: of code::MIDIEndPoints::
METHOD:: destinations
The list of available MIDI destinations, including SuperCollider's own destinations.
returns:: A code::List:: of code::MIDIEndPoints::
METHOD:: externalDestinations
The list of available MIDI destinations, excluding SuperCollider's own destinations. Only on Linux the list of code::destinations:: and code::externalDestinations:: differs.
returns:: A code::List:: of code::MIDIEndPoints::
METHOD:: restart
Restart the MIDIClient.
METHOD:: myinports
The number of input ports that SuperCollider created. This is mainly useful to know on the Linux platform.
METHOD:: myoutports
The number of output ports that SuperCollider created. This is mainly useful to know on the Linux platform.
METHOD:: getClientID
Linux only. This gets the client ID by which the MIDIClient is defined in the ALSA subsystem. It can be used to identify whether a port is belonging to this client or another one.
On non-linux systems, it posts a warning and returns nil.
EXAMPLES::
code::
MIDIClient.init;
MIDIClient.disposeClient;
MIDIClient.init( verbose: false );
::
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