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How do I reduce the screen and file size of a recorded video, plus convert to FLV?

rated 0 times [ 3] [ 0] / answers: 1 / hits: 7830 / 1 Year ago, mon, february 20, 2023, 11:40:01

I have used gtk-recordMyDesktop to make a video as an OGV file using the default settings. I need to do 3 things:

How can I reduce the screen resolution (height and width) so that it can fit into a smaller video size on my website?

How can I pull out like every third frame so that the file size is not so large, yet not mess up the sound?

Not all Windows IE users can view OGV files. How can I convert to FLV (or, as a fallback, MP4) so that I can share on my blog?

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whipstder

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answered 1 Year ago thellfi · Accepted Answer

You can resize and convert with ffmpeg using ffmpeg -i input.ogv -s widthxheight -sameq output.flv.
You can also change the video bit rate with -b:v bitarate and control the frame rate with -r framerate to reduce the size of outcome. As izx has mentioned the bit rate option is recommended over changing frame rate or dropping frames.