QMedia
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QM_GetTrackLayer(movieRef; trackID; layerNumber):error | |||
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movieRef | Longint | Movie reference |
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trackID | Longint | Track ID |
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layerNumber | Longint | Track layer |
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error | Longint | Error result |
Returns 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 receives the track's layer number. The layer number is in the range of -32768 ... 32767.
Example
`Get the layer number of track ID $trackID of movie $movie C_LONGINT($trackLayer) $err:=QM_GetTrackLayer ($movie;$trackID;$trackLayer) |
Related commands
QM_SetTrackLayer | Changes the track's layer. |