CMTimeMappingMakeFromDictionary(_:)
Creates a time mapping from a dictionary representation.
Declaration
func CMTimeMappingMakeFromDictionary(_ dictionaryRepresentation: CFDictionary) -> CMTimeMappingParameters
- dictionaryRepresentation:
A dictionary representation of a time mapping that you previously created by calling the Cmtimemappingcopyasdictionary(_:allocator:) function.
Return Value
A new time mapping.
Discussion
If the dictionary you provide doesn’t have the requisite keyed values, the system returns an invalid time mapping.