The filter will automatically center the crop if x and y are omitted, so x defaults to (iw-w)/2, and y to (ih-h)/2 y the vertical position from where to begin cropping, starting from the top of the video (the absolute top being 0).x the horizontal position from where to begin cropping, starting from the left (with the absolute left margin being 0).h the height of the output video (the height of the cropped region), which defaults to the input video height (input video height = ih, with in_h being another notation for the same thing) out_h may also be used instead of h.w the width of the output video (so the width of the cropped region), which defaults to the input video width (input video width = iw, which is the same as in_w) out_w may also be used instead of w.means we're using the "crop" video filter, with 4 values:.input.mp4 specifies the input video (input.mp4 being the input / original video in this case).Command ffmpeg -i input.mp4 -filter:v "crop=h:w:x:y" -c:a copy output.mp4
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