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: StringSee Also
Constants
QCCompositionAttributeBuiltInKeyQCCompositionAttributeCategoryKeyQCCompositionAttributeCopyrightKeyQCCompositionAttributeDescriptionKeyQCCompositionAttributeHasConsumersKeyQCCompositionAttributeIsTimeDependentKeyQCCompositionAttributeNameKeyQCCompositionCategoryDistortionQCCompositionCategoryStylizeQCCompositionCategoryUtilityQCCompositionInputAudioPeakKeyQCCompositionInputAudioSpectrumKeyQCCompositionInputDestinationImageKeyQCCompositionInputImageKeyQCCompositionInputPaceKey