QuickTime Music Architecture

Note Request Information Structure

The note request information structure contains information for allocating a note channel that's in addition to that included in a tone description structure. It is defined by the NoteRequestInfo data type.



 
struct NoteRequestInfo {

    UInt8                       flags;

    UInt8                       reserved;

    short                       polyphony;

    Fixed                       typicalPolyphony;

};

typedef struct NoteRequestInfo NoteRequestInfo;

flags: Specifies what to do if the exact instrument requested in a tone description structure is not found. See "Note Request Constants" [link] .
reserved: Reserved. Set to 0.
polyphony: Maximum number of voices.
typicalPolyphony: Hint for level mixing.