Can I get the real FPS with VirtulDub?

[ruian.xu]

Hi, Gangs! I'm wondering whether I can know the REAL Frame rate in VirtualDub. You know, the video itself can be put right with duplicated frames, or use a container that says it's 30 fps in the header. Although we can use File->File Information to retrieve the frame rate declared in the file. We do not know the real frame rate of the video :thanks:

[neuron2]

Your question is not fully clear. I assume you mean "what is the frame rate after all unnecessary added duplicate frames have been removed?". You can't get that in VirtualDub. It's actually not an easy problem because you need to be able to reliably distinguish added duplicates from real duplicates that result from static scenes in the video. You can get a fairly decent estimate using my Avisynth-based tool MultiDecimate together with its static scene protection capability.

If I have not addressed your real question, then please explain it more clearly.