MediaPipeline.Speed (gb.media)

Return or set the media playing speed rate.

• 1.0 is the normal speed.

• A speed greater than 1.0 will play faster, a speed greater than 0 and lower than 1.0 will play slower.

• A negative speed will play backward.

• A too small speed (between -1E-6 and +1E-6) will raise an error.