Crop the input video to given dimension and save it as a new video file.
Why?
1. some video has large black margins
2. Only the central of a video is valuable
Video formats supported: mp4, avi, asf, flv, wmv, swf, mov, mpg, mkv.
Crop the input video to given dimension and save it as a new video file.
Why?
1. some video has large black margins
2. Only the central of a video is valuable
Video formats supported: mp4, avi, asf, flv, wmv, swf, mov, mpg, mkv.
