I have a 16x9 clip that I need to *crop* to 4x3. I need to be able to select the area that I want to keep. What's the best proggie/easiest way to do this?
Thanks!
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What format is the clip? No matter what editor program you use you will have to re-encode the clip. But you could try AVIDemux or even VirtualDub if it's a AVI type video.
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Will those AVI utils work the same with MPG files (and output MPG)?
Thanks. -
If you remux (no quality loss) to MKV you can enable the container's cropping feature. Few players respect that though. I think you're limited to a single crop for the entire video though.
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No, I need the output to be MPG (MPEG2) - I don't want to re-encode to crop, then re-encode again to get the format. There HAVE to be MPG editing tools that will do this.
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You are missing the point - not *2* re-encodes - one is (obviously) fine. Meaning I do not want to go from MPG > AVI/MKV/MP4/etc > and back to MPG.
CROP MPG >Re-Encode to MPG
Simple. -
You need to do what is professionally called 'pan and scan'.
The way I like to it is to make an alpha layer with the 4:3 borders and reposition the 16:9 clip from scene to scene to fit in this virtual frame. Sometimes you have to make your own extra 'cuts' if the scene is too wide for 4:3 for instance if you have a dialogue between two people spread on the whole 16:9 frame. Of course you can go fancy and key frame during scenes as well.
Then you simply cut the left and right areas and render.
Any good NLE would be able to help you with this.
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No, nothing that complicated - just one section of the scene, no pan&scan, no movement, just a simple crop.
I guess I can just use TMPGENC - I thought there might be something easier & quicker, but I guess not.
Honestly, I don't understand why everyone here always tries to make a simple situation more complicated than it is or has to be (and that's NOT just on my posts, it's on MOST posts). It verges on "elitist". -
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The easiest crop functions that I use is AviDemux. Since you understand that you will be re-encoding, AviDemux has several MPEG2 output options as well.
VirtualDub also works well for me but I have the added benefit of being able to frameserve over to an old version of MainConcept.....VDub has no MPEG2 output. -
Without further derailing on the topic, here is a short video demo on how would you do it in AviUtl.
It can read MPEG2 directly and also encode to MPEG2 directly via FFmpeg.
Pay attention to the "Command" field near the end of the video.
Note that as others have said, re-encoding is NECESSARY. No tools can do cropping without a re-encode.Stopping development until someone save me from poverty or get me out of Hong Kong...
Twitter @MaverickTse -
Proper use of Matroska headers CAN crop without re-encoding, unfortunately it requires whatever player your using to properly read and implement the crop elements, which very few players actually do.
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