Developer Documentation

QuickTime 4 API Documentation
QuickTime Music Architecture

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Knob Value Constants

These constants specify unknown or default knob values and are used in various get knob and set knob calls.

enum {
    kUnknownKnobValue       = 0x7FFFFFFF,
    kDefaultKnobValue       = 0x7FFFFFFE
};

Constant descriptions

kUnknownKnobValue
Couldn't find the specified knob value.

kDefaultKnobValue
Set this knob to its default value.


© 1999 Apple Computer, Inc.

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