QMedia Movie track commands |

### 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)` `` ``

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