Contents

QCCompositionProtocolMusicVisualizer

A composition that acts as a visualizer for music. A conforming composition must use the input key Qccompositioninputaudiopeakkey for the instantaneous audio peak and the Qccompositioninputaudiospectrumkey for the instantaneous audio spectrum. It can optionally use the Qccompositioninputtrackinfokey to indicate it receives information about the current track and the Qccompositioninputtracksignalkey to indicate the start of a new track.

Declaration

let QCCompositionProtocolMusicVisualizer: String

See Also

Constants