comparePositionInDecodeOrder(withPositionOf:)
Compares the relative positions of two sample cursors and returns their relative positions.
Declaration
func comparePositionInDecodeOrder(withPositionOf cursor: AVSampleCursor) -> ComparisonResultParameters
- cursor:
An instance of
AVSampleCursorwith which to compare positions.
Return Value
Returns a comparison result that indicates of this cursor points at a sample before, the same as, or after the sample pointed to by the specified cursor.
Discussion
Undefined results occur if this cursor and the passed in cursor reference different sequences of samples, such as when they’re created by different instances of AVAssetTrack.