ffmpeg -i input.mp4 -c:v libx265 -b:v 90k -pass 1 -f mp4 /dev/null ffmpeg -i input.mp4 -c:v libx265 -b:v 90k -pass 2 -c:a aac -b:a 32k output.mp4
: These files are often encoded specifically for screens under 7 inches, where the loss of fine detail is less noticeable.
Only for specific use cases.
A standard Blu-ray rip can occupy 25GB to 50GB. A typical 1080p streaming file sits around 1.5GB to 3GB. A 100MB movie is roughly the size of a single high-resolution photo or three minutes of standard YouTube video.