QMedia Movie track commands

QM_SetTrackLayer

QM_SetTrackLayer(movieRef; trackID; layerNumber):error
movieRef Longint Movie reference
trackID Longint Track ID
layerNumber Longint Track layer
error Longint Error result

Changes the layer 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 layerNumber specifies the track's layer number. The layer number must be in the range of -32768 ... 32767.

Example

  `Set track ID $trackID of movie $movie to be the topmost track
 
$err:=QM_SetTrackLayer ($movie;$trackID;-32768)
 
 

Related commands

QM_GetTrackLayer Returns the track's layer.

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