mmpeg fish shell

mmpeg.fish

# Optimize mp4
# Usage: optimizeVideo video_file
function optimizeVideo
    set video_file $argv[1]
    ffmpeg -i "$video_file" -vcodec h264 -acodec mp2 "$video_file.mp4"
end

# Convert video to gif file.
# Usage: video2gif video_file
function video2gif
    set video_file $argv[1]
    set scale 320
    set fps 10

    ffmpeg -y -i "$video_file" -vf fps=$fps,scale=$scale:-1:flags=lanczos,palettegen "$video_file.png"
    ffmpeg -i "$video_file" -i "$video_file.png" -filter_complex "fps=$fps,scale=$scale:-1:flags=lanczos[x];[x][1:v]paletteuse" "$video_file.gif"
    rm "$video_file.png"
end
# endregion Function