Structure

CMFormatDescriptionRef

A reference to a CMFormatDescription object.

Declaration

typedef struct opaqueCMFormatDescription CMFormatDescriptionRef;

Overview

A CMFormatDescription object is a Core Foundation object describing media of a particular type (audio, video, muxed, and so on).

See Also

Format Description Types

CMAudioFormatDescriptionRef

A synonym type used for manipulating audio CMFormatDescriptions.

CMClosedCaptionFormatDescriptionRef

A synonym type used for manipulating closed-caption media CMFormatDescriptions.

CMMetadataFormatDescriptionRef

A synonym type used for manipulating metadata CMFormatDescriptions.

CMMuxedFormatDescriptionRef

A synonym type used for manipulating muxed media CMFormatDescriptions.

CMTextFormatDescriptionRef
CMTimeCodeFormatDescriptionRef

A synonym type used for manipulating TimeCode CMFormatDescriptions.

CMVideoFormatDescriptionRef

A synonym type used for manipulating video CMFormatDescriptions.