Took 4 prompts and ChatGPT-4o decided to use a different API, but it I made it make a thing that generates a 3 second webm to download. https://chatgpt.com/share/67531a38-4bfc-8009-bc58-9c823230bf...
Detractors will claim that it didn't complete the assignment because it didn't use the proscribed VideoEncoder API, but the end result, a simple HTML page that generates a 3 second long webm file, speaks for itself.