MusicSequenceGetTrackIndex(_:_:_:)

Declaration

func MusicSequenceGetTrackIndex(_ inSequence: MusicSequence, _ inTrack: MusicTrack, _ outTrackIndex: UnsafeMutablePointer<UInt32>) -> OSStatus

Parameters

• inSequence:

  The music sequence to obtain the track index number from.

• inTrack:

  The music track whose index you want to obtain. This function returns an error if the music track is not part of the music sequence specified in the inSequence parameter.

• outTrackIndex:

  On output, the zero-based index of the music track that you provided in the inTrack parameter.

Return Value

A result code.

Discussion

This function is for accessing only indexes for music tracks, not the tempo track.

See Also

Managing Music Sequences

• NewMusicSequence(_:)
• DisposeMusicSequence(_:)
• MusicSequenceBarBeatTimeToBeats(_:_:_:)
• MusicSequenceBeatsToBarBeatTime(_:_:_:_:)
• MusicSequenceDisposeTrack(_:_:)
• MusicSequenceFileCreate(_:_:_:_:_:)
• MusicSequenceFileCreateData(_:_:_:_:_:)
• MusicSequenceFileLoad(_:_:_:_:)
• MusicSequenceFileLoadData(_:_:_:_:)
• MusicSequenceGetAUGraph(_:_:)
• MusicSequenceGetBeatsForSeconds(_:_:_:)
• MusicSequenceGetIndTrack(_:_:_:)
• MusicSequenceGetInfoDictionary(_:)
• MusicSequenceGetSMPTEResolution(_:_:_:)
• MusicSequenceGetSecondsForBeats(_:_:_:)