To save space while keeping the visual fidelity of Winterfell's snowy landscapes, the codec is the best choice. For Game of Thrones , a Constant Rate Factor (CRF) of 18–20 is recommended for visually lossless results.
Here are some essential FFmpeg commands: game of thrones season 01 ffmpeg
You can create a thumbnail for an episode: To save space while keeping the visual fidelity