QCCompositionAttributeDescriptionKey
The key for the composition description. The associated value is an NSString object.
Declaration
let QCCompositionAttributeDescriptionKey: StringSee Also
Constants
QCCompositionAttributeBuiltInKeyQCCompositionAttributeCategoryKeyQCCompositionAttributeCopyrightKeyQCCompositionAttributeHasConsumersKeyQCCompositionAttributeIsTimeDependentKeyQCCompositionAttributeNameKeyQCCompositionCategoryDistortionQCCompositionCategoryStylizeQCCompositionCategoryUtilityQCCompositionInputAudioPeakKeyQCCompositionInputAudioSpectrumKeyQCCompositionInputDestinationImageKeyQCCompositionInputImageKeyQCCompositionInputPaceKeyQCCompositionInputPreviewModeKey