Carissimi, nel caso vi interessasse e visto che virtualdub originale e VirtualDubMod non sono più aggiornati da un pezzo, qua ci sarebbe un'alternativa, VirtualDub2 (ex-VirtualDubFilterMod) sempre open source:
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A streamlined video editor with simple frame-by-frame timeline. Free, open-source, portable.
The default package is ready for use with many essential plugins included, and can be further extended with 3rd party codecs and filters.
See Wiki for detailed description: -Link- .

Previous name of this project: VirtualDub FilterMod

Features:
- All features of original VirtualDub plus:
- deep color and alpha support
- decode and encode H264 and other formats
- AviSynth / VapourSynth script editor
- improved navigation, display, and other UI
- improved performance
- extended API for plugins
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ciao