Stepping through a movie one frame at a time.

Core Library Questions

kevin.lin..

Stepping through a movie one frame at a time.

in Core Library Questions • 3 years ago

Hi,

Can anyone tell me how it is possible to sync the draw() routine with the movieEvent so that I can call the draw routine for each frame of the video.

What currently seems to happen is the movie plays in "real-time" and I'm getting ever 20th frame or so. What I want to do is be able to "single step" through t movie so I can process each frame and only move onto the next frame when I have finished processing the current one.

If someone could point me to a simple example of reading a movie a frame at a time, carrying out some simple operation and writing out a frame to a new movie and repeating till all frames in the input movie have been processed I would be most greatful.

Kind Regards

Kevin.

Replies(3)

davbol

Re: Stepping through a movie one frame at a time.

3 years ago

there's no way to guarantee exactly every frame once with the existing Movie class, but perhaps you can use this - it's a subclass of Movie that supports discrete frame seeking (check comments for a sample process-every-frame-and-save type loop)

kevin.lin..

Re: Re: Stepping through a movie one frame at a time.

3 years ago

Thanks for the response. I will give the code a run through tonight and post my results.

Jacob Rii..

Re: Stepping through a movie one frame at a time.

2 years ago

Did you ever find a solution to this?

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