He was a journalist. He knew how to capture lossless frames. He spent the next three hours writing a script that extracted the pixel flickers, converted them to binary, then to text.
Many files labeled "1080p" are just upscaled 720p files. They have a higher resolution but suffer from "bitrate starvation," leading to blocky shadows and blurry fast-motion scenes. Dub Quality: Dual Audio Movies Hindi English 720p Bad 1080p