![]() ![]() ![]() If you want a powerful, intuitive video editor made for modern media formats, you're going to need to spend money. Now, VDub is great for what it is, but you really have to be willing to work within its scope. All of the free video editors I've used (to include VirtualDub) are either limited in their abilities, require a ton of workarounds to do what you want, or are flaky and crash at every turn. Every input file instantiates a new decoder chain. ![]() It's also particularly inefficient when you're combining multiple clips, as is often the case when editing. The OP isn't interested in secret codes he says. AVISynth is a champ, but if what you want to do is non-trivial, it gets cumbersome in a real hurry. Either use an editor that can operate directly on the container format, transcode to an intermediate format (like h264 lossless at a fixed frame rate) before frame-serving, or at least make sure you know what you're doing first. If your video is encoded in a very common or predictable way, whatever you use to re-mux the stream might get be intelligent enough to figure everything out, but don't place any bets on that until you've tried it. There's no chance of ever maintaining A/V sync again if that timing info is lost. This is particularly important when the encoder uses variable frame rate. MP4 file, for e.g.) because you may lose the metadata that defines stuff like framerate, aspect ratio, etc. ![]() I would avoid demuxing raw elementary streams (the h264 stream from a. ![]()
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