QMedia Movie prefs commands

QM_SetPreferredRate

QM_SetPreferredRate(movieRef; prefRate):error
movieRef Longint Movie reference
prefRate Real Preferred playback rate
error Longint Error result

Sets the preferred playback rate of a movie.

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 prefRate specifies the movie's preferred playback rate. It is a real number in the -5.0 ... +5.0 range. Positive rates mean forward playback and negative rates mean reverse playback.

The default preferred playback rate of a movie is set to 1.0 when the movie is created.

Example

  `Set the preferred playback rate of movie $movieRef to 1
 
$error:=QM_SetPreferredRate ($movieRef;1)
 

Related commands

QM_GetPreferredRate Returns the movie's preferred playback rate.

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