Optional (but recommended): Install ffmpeg

Linux:

sudo apt install ffmpeg

MacOS:

brew install ffmpeg

Windows:

https://www.ffmpeg.org/download.html

1. Create a Python virtual environment

python -m venv .venv
source .venv/bin/activate

2. Install the requirements

python -m pip install -r requirements.txt

3. Run the Flask app

python -m flask run --host=0.0.0.0 --port=5180

4. Open the app in your browser at http://localhost:5180

5. Choose a video file and click the "Submit" button

6. Wait for the new video to be generated