1. Roman Starkov
  2. DedupTrimmer

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DeDup

DeDup is an AviSynth plugin which finds duplicate frames in a video stream, produces a log file, and then removes them in a second pass. Unfortunately, it is limited to removing at most 20 duplicate frames at a time.

DedupTrimmer

Some cheap keychain cameras produce broken video streams which end up looking like they have hundreds of duplicate frames. This is where DedupTrimmer comes in: after analyzing the video stream using DeDup, feed the log it produced to DedupTrimmer, and you will get an AviSynth file. This file contains a number of Trim commands constructed so that only the non-duplicate frames are kept.

Limitations

The similarity threshold is hard-coded to 0.7% in DeDup units. If you wish to contribute a patch that makes this configurable, just fork this project, make your changes, and drop me a note!

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