(ffmpeg is also for video metadata which is very useful when trying to It uses opencv for frame comparison, and ffmpeg for frame extraction You can "manually compare the extracted frames", or use thresholds to configure some automatic behaviors, and trash the duplicates. If the duration is close, and the frames look The idea is to extract a few (eg 2, the first and the last) frames,Īnd compare them. (macOS and Windows binaries available) It's open source, I created it with QT and it relies on ffmpeg. However, in my link above you will find a trial version of such software so you can see if that is what you're looking for and if it works for your purpose. So in conclusion, unless you want to spend a noticeable amount of money on specialized software you will need to go through the stack manually. There do exists APIs (programming interfaces) that provides technology for doing this, and even free, but you will need to develop the software to use it yourself which I am fairly certain is beyond the scope of what you're asking for.
I did try to find something that is targeting consumers but was not able to find any. This ability is not so common in the non-forensic world (at least not yet).
It works by "finger printing" video so it can recognize the video despite different formats, compressions, cropping etc. Video recognition software is I would say, a niche market which means you will either find very expensive software and/or software that targets government, movie industry and so forth. The file lengths should be the same, and visually the videos should be similar enough, but I'm not sure there's any tool to sort that out visually.Īm I doomed to go through the list based on running time and manually look for duplicates or is there a better way? The formats may be different, and the file size may be different due to that (and or encoding differences). How can I effectively go through several hundred videos of different formats and weed out duplicates? The names will be similar but not identical. I've been trying to manually weed out videos where I already have a copy, but with this many videos I'm sure I've missed some. To make matters worse there's no clear cutoff for when my local copies disappeared I've found a point in my youtube videos chonologically where I have some of the videos and I don't have others. The new downloads are a mix of MP4 and FLV, and the originals are a mix of almost any video format due to lots of experimenting. After losing a backup device with a bunch of my original videos I've had to download a large number of them (~300) back from Youtube.
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