What is it

Cross-platform solution to record, convert and stream audio and video.

Installation

brew install ffmpeg

# check installation
which ffmpeg

Convert mp4 to animated webp

mp4 file to a lossless loop playing webp file in 20FPS with resolution 800px(width) * h600px(height):

ffmpeg -i input_filename.mp4 -vcodec libwebp -filter:v fps=fps=20 -lossless 1 -loop 0 -preset default -an -vsync 0 -s 800:600 output_filename.webp

Convert PNG sequence to WEBP sequence

-c:v libwebp = output individual image files

ffmpeg -i in/%8d.png -c:v libwebp out/%8d.webp