VTUtilities.CopyVideoDecoderExtensionProperties Method
Definition
Important
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Determine whether a Media Extension video decoder will be used to decode the specified format, and return information about the Media Extension.
public static Foundation.NSDictionary? CopyVideoDecoderExtensionProperties(CoreMedia.CMFormatDescription formatDescription, out VideoToolbox.VTStatus error);static member CopyVideoDecoderExtensionProperties : CoreMedia.CMFormatDescription * VTStatus -> Foundation.NSDictionaryParameters
- formatDescription
- CMFormatDescription
The format description for the video format to analyze.
- error
- VTStatus
An error code if the operation was unsuccessful, otherwise Ok. If a Media Extension encoder won't be used to decode this format, CouldNotFindExtensionErr will be returned.
Returns
A dictionary with the properties for the Media Extension that will be used to decode this format, or null in case of failure.