Bug in Reframe filter

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System: HP 840G1 laptop. Win10Pro 22H2
Shotcut 241117 portable

I find it’s not possible to enter 3 digit values for new frame sizes in the Reframe filter parameters window. e.g. if I want the new frame size to be 640 x 480 from an 850x480 (16:9) canvas, trying to enter “640” allows entering the value but it truncates to “64” when moving focus to another field. I can force it by adjusting the frame draggers but not by entering specific numerical values. I’ve only checked this for the horizontal sizing; it may be the case on vertical sizing too.

Thanks for any advice and/or action,

Hugo.

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This happens because your Position X does not provide enough room for the new Width–it would cause the right edge of the rectangle to go outside of the video frame, which is not permitted. Use the on-video control and notice how it does not allow any part of the rectangle to go outside of the frame. This is intentional, by design.
I reproduce it if I do not change Position, but I first change it to 0, now it lets me input 640

From the Documentation - English

you cannot push any part of the rectangle outside of the frame.

Reframe Output Video Filter

Reframe or reframing is a way to crop a video or editing project in order to export it to a different aspect ratio. For example, you made a video project in 16:9 aspect ratio landscape/horizontal orientation but now want to make a 9:16 portrait/vertical orientation video for social media. Other forms of cropping are used primarily within a composition to remove bad edges (Crop: Source), zoom in to fill the frame (Size, Position & Rotate), add colored borders (Crop: Rectangle), or clip an overlay…

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Dan,

Thanks for the explanation - I understand what’s going on now. I’ve only discovered the reframe tool in the last couple of days and am having a ball with it. Finally to have a quick and easy way to change canvas size on the fly!! I don’t know when Reframe was introduced but am glad to be aware of it now.

Thanks for continuing to support and improve Shotcut. It’s my sole video editor.

Hugo.