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Recommended software to scan a load of video files for detected motion (lemmy.ml)
submitted 9 months ago by to c/linux@lemmy.ml
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Does anyone know of any good, reasonably fast software to scan through a load of video files. Hours/weeks of footage to sift out any motion detected reasonably quickly. Preferably with a GUI.

I have tried a few, and DVR-SCAN seems to do a decent job, but it's very slow, and without the GUI, I need to manually open every video file that it has saved (taking up a ton of space) to see if they have what i am looking for.

Ideally free software, as I am broke. But if there are good recommended paid options I will happily consider them, My head is close to exploding digging through these. I am using Linux Mint, but will happily use any distro that may help me better. Hopefully this post it allowed here, if not could someone please point me in the right direction. Thanks.

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[–] 1 point 9 months ago* (last edited 9 months ago) (1 child)

So find the places where the bitrate changes and decode and analyze those frames. Outdoors, true, leaves blow around, there is wildlife etc. A harder problem. I was thinking more of an indoor security camera. As for examining the bit rate, I guess it depends on the encoding, but e.g. in .mp4 there is a "key frame" every so often and then a bunch of delta frames, and if stuff is changing too fast iirc the key frames become more frequent. But I believe there is a fast way to scan for them, that is needed for fast forwarding in video.

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