ffmpeg -i input.mp4 -vf "scale=320:-2" -c:v libx264 -crf 28 -preset slow -c:a aac -b:a 64k output_small.mp4
Before the era of 4K streaming and high-speed 5G, the was the king of mobile media. Developed by the 3rd Generation Partnership Project, it was designed to decrease file size and bandwidth usage so that video could play on the limited hardware of early Nokia, Sony Ericsson, and Motorola phones. 3gp dasi sxsi v garl top