Small python project to generate movies with a droste effect or to create zoomable movies using DALLE
To setup a virtual environment with python3 and the dependencies installed, execute in a shell:
python3 -m venv venv3
source venv3/bin/activate
pip install -r requirements.txt
You can now run the main script:
python pydroste.py --input=beach.jpg \
--output=beach.mp4 \
--center=1904,1940 \
--scale=125
And it should create a zooming in movie:
Beside the input and output parameters, the important flags are
center and scale. center determines the point in the input picture
to zoom in on. Scale is the scale of the sub-image compared to the main
image. In other words, this is how far you need to zoom in to have the
main image be replaced by the sub-image completely and which would
complete one loop.
The two other flags you can pass are frames, which determines how
many frames the output image will have and fps, which determines
how many frames per seconds the output movie will play with.
The pydroste_multiple.py script can render loops with multiple zoom
points. The basic pattern is the same, except that a parameter zoom_points
needs to be supplied that contains a list of ; separated tuples
specifying the various zoom point as center_x,center_y,scale
This repository also contains some scripts that can be used to create zoomable movies using DALLE.
Put your images say in the vangogh directory, create a first frame and put it in the say vangogh directory. You can then use:
python zoom_transparent.py \
--input=vangogh/frame1.png \
--output=vangogh/zoomed.png
To create a zoomed out version of frame1. Use that as a basis for your next image and repeat this until you have a longish list of zoomed out frames. You can put them together into a movie using:
python animate_frames.py \
--frame_count=6 --frames=60 \
--input_dir=vangogh
This will produce a movie with 6 frames and with 60 frames per step valled vangogh.mp4 in the root directory.