Instance Method

addTrackAssociationWithTrackOfInput:type:

Associates the track corresponding to the specified input with the track corresponding with the receiver.

Declaration

- (void)addTrackAssociationWithTrackOfInput:(AVAssetWriterInput *)input type:(NSString *)trackAssociationType;

Parameters

input

The instance of AVAssetWriterInput with a corresponding track to associate with track corresponding with the receiver.

trackAssociationType

The type of track association to add. Common track association types, such as AVTrackAssociationTypeTimecode are defined in Track Association Types.

Discussion

If the type of association requires tracks of specific media types that don't match the media types of the inputs, or if the output file type does not support track associations, an NSInvalidArgumentException is raised.

See Also

Managing Track Associations

- canAddTrackAssociationWithTrackOfInput:type:

Validates the association between the tracks and their corresponding pair of inputs.

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