Ask HN: how to remove top n number of pixel from a video.

2 points by shn 12y ago ↗ HN

I have bunch of video of screen capture. I would like to remove some portion of the video from top. How can I do it in a batch, is there a software to do this out there. Thanks for all the replies.

3 comments

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t0 12y ago ↗

Virtualdub is a personal favorite. http://www.virtualdub.org/docs/vdscript.txt

I suppose FFMPEG could work too.

GiHe 12y ago ↗

AviSynth (http://en.wikipedia.org/wiki/AviSynth) may offer what you seek. Note that the 3.0 rewrite (http://avisynth3.unite-video.com/) runs on both Windows and Linux.

bjourne 12y ago ↗

Mencoder can crop videos:

    mencoder $1 -vf crop=322:242:26:225 -oac mp3lame -ovc lavc -o $2

That command would extract a 322x242 rectangle from position 26, 225 in the video.