I have an MP4 file of a screen recording that I need to crop down. How can I accomplish this without using expensive tools like Adobe Premier or Final Cut? I prefer
ffmpeg because I have used it before.
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Where the options are as follows:
To crop a 80×60 section, starting from position (200, 100):
To crop the bottom right quarter:
This is the same as:
Which is the same as:
Crop 20 pixels from the top, and 20 from the bottom:
You can take a crop (heh heh) and preview it live with
This way you can experiment and adjust your cropping without the need to encode, view, repeat.
protected by AJ Henderson♦ Jan 15 '15 at 22:38
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