The file could not be opened or read correctly, the default settings will be Given, the keyboard will attempt to load the file as a keyboard mapping. Of the keyboard, simply passing in 0 (i.e. If you would like to just use the default settings Like all MIDI drivers, a device must be given Your Csound orchestra is designed to work with hardware MIDI devices, thisįor the device flag (-M), the virtual keyboard uses this to take in the name
Same way as MIDI information that comes from the other MIDI drivers, so if Information from the virtual keyboard is processed by Csound in exactly the It can send note information,Ĭontrol changes, bank and program changes on a specified channel. The virtual MIDI keyboard module (activated using -+rtmidi=virtual on theĬommand line flags) provides a way of sending realtime MIDI information toĬsound without the need of a MIDI device. The default module is portmidi which provides adequate MIDI I/O on all platforms, however for improved performance and reliability some platform specific modules are also provided.Ĭurrently the midi modules available are: There are several realtime MIDI modules available, you must use the -+rtmidi flag (See -+rtmidi), to specify the module. See the MIDI/Score Interoperability opcodes for information on designing instruments which can be used from the score or driven by MIDI. If you have more than one instrument, but instr N in between 1 - 16 is missing, then chn N will be routed by default to the lowest order instrument. If you have more than one instrument and instrs 1 - 16, then by default instr 1 -> chn 1, instr 2 -> chn 2, unless you alter the mapping (see massign and pgmassign to change this behavior). it responds to all channels into that single instrument. If you have 1 instrument only, Csound works in omni mode, ie. When MIDI input is enabled (with -M or -F), each incoming noteon message will generate a note event for an instrument which has the same number as the channel of the event (This means that MIDI controlled instruments are polyphonic by default, since each note will generate a new instance of the instrument.) Once realtime MIDI input and/or output has been activated, opcodes like MIDI Input and MIDI Output will have effect.
So the csound program is not aware if MIDI input comes from a MIDI file or directly from a MIDI interface. The MIDI file is read in realtime, and behaves as if it was being performed or received in realtime. You can also load a MIDI file using the -F or -midifile=FILE command line flag. Realtime MIDI output is activated using -Q, using device number or names as shown above. Csound -+rtmidi=alsa -M hw:3 myrtmidi.csd
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