|QMedia Movie track commands|
|QM_GetTrackDuration(movieRef; trackID; trackDuration):error|
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.