How can I make it play all files slower/faster? I know that I can set the speed video by video with [ ] and { }. But I want to play faster a series of short videos, and I need something less tedious. Is there any setting for 'play all videos slower/faster by X%'?

  • Just curious... why?
    – jobukkit
    Aug 31, 2017 at 14:52

1 Answer 1


Depending on the backend you have set up (either mplayer or more recently, mpv) you can pass the appropriate command line option.

For mpv the option is --speed=$NUM where $NUM is a number between 0.01 to 100 (fast). 1 is the normal playback speed.

Go to the advanced settings panel of smplayer and simply add the speed flag as shown below. (settings shown for mpv)

The settings

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