QM_GetTrackDuration

QM_GetTrackDuration(movieRef; trackID; trackDuration):error
	movieRef	Longint	Movie reference
	trackID	Longint	Track ID
	trackDuration	Longint	Track duration
	error	Longint	Error result

Returns the duration of a track.

Parameter movieRef is the reference to the movie instance. The movie reference must have been previously obtained with a call to QM_NewMovieFromFile or QM_NewMovieFromURL.

Parameter trackID is the ID of the track.

Parameter trackDuration receives the track's duration. The track's duration is expressed in the movie's time scale.

Example

`Get the duration of track ID $trackID of movie $movie

C_LONGINT($duration)

$err:=QM_GetTrackDuration ($movie;$trackID;$duration)