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QuickTime 4 API Documentation

QuickTime 4 Reference

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Music Packet Status

These constants are used in the reserved field of the MIDI packet structure MIDI Packet .

enum {
    kMusicPacketPortLost        = 1,
    kMusicPacketPortFound       = 2,
    kMusicPacketTimeGap         = 3
};

Constant descriptions

kMusicPacketPortLost
The application has lost the default input port.
kMusicPacketPortFound
The application has retrieved the input port from the previous owner.
kMusicPacketTimeGap
The last byte of the packet specifies how long to keep the MIDI line silent in milliseconds, after sending the packet.
© 1999 Apple Computer, Inc.

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