description, duration=25.0, seek=true, need-clock-sync=true, min-media-duration=5.0
seek, name=Fast-forward-seek, playback-time=0.0, rate=2.0,  start=0.0, flags=accurate+flush
seek, name=Fast-forward-seek, playback-time="min(10.0, duration*0.0625)", rate=4.0,  start=0.0, flags=accurate+flush
seek, name=Fast-forward-seek, playback-time="min(20.0, duration*0.125)", rate=8.0,  start=0.0, flags=accurate+flush
seek, name=Fast-forward-seek, playback-time="min(40.0, duration*0.25)", rate=16.0, start=0.0, flags=accurate+flush
seek, name=Fast-forward-seek, playback-time="min(80.0, duration*0.50)", rate=32.0, start=0.0, flags=accurate+flush
stop, playback-time="min(duration - 0.3, 160.0)"
