Using ffmpeg to speed up video

I needed to speed up video and found this post. I also needed to remove the audio track which you can do with the -an option. The command ended up looking like: ffmpeg -i invideo.mp4 -vf "setpts=(1/<multiplier>)" -an outvideo.mp4 I then wanted to trim some time off the video. This post was helpful and I ended up with ffmpeg -i invideo.mp4 -vcodec copy -acodec copy -ss 00:00:03.000 outvideo.mp4 I only needed to trim 3 seconds off the beginning. [Read More]