Various flavors of video-to-GIF scripts

video_to_480_gif.sh

# Convert the video to a 480x GIF @ x2 speed

file1=$(basename -- "$1")
dir=$(dirname "$1")
file1="${file1%.*}"

/usr/local/bin/ffmpeg -hide_banner -loglevel panic -i "$1" -filter_complex "[0:v] scale=w='min(480,iw)':h=-1,fps=8,setpts=(1/2)*PTS, split [a][b]; [a] palettegen [p]; [b][p] paletteuse" -y "$dir/$file1.gif"

video_to_720_gif.sh

# Convert the video to a 720x GIF @ x2 speed

file1=$(basename -- "$1")
dir=$(dirname "$1")
file1="${file1%.*}"

/usr/local/bin/ffmpeg -hide_banner -loglevel panic -i "$1" -filter_complex "[0:v] scale=h='min(720,ih)':w=-1,fps=8,setpts=(1/2)*PTS, split [a][b]; [a] palettegen [p]; [b][p] paletteuse" -y "$dir/$file1.gif"

video_to_full_res_gif.sh

# Convert the video to GIF at full resolution @ x2 speed

file1=$(basename -- "$1")
dir=$(dirname "$1")
file1="${file1%.*}"

/usr/local/bin/ffmpeg -hide_banner -loglevel panic -i "$1" -filter_complex "[0:v]fps=8,setpts=(1/2)*PTS, split [a][b]; [a] palettegen [p]; [b][p] paletteuse" -y "$dir/$file1.gif"

video_to_gif.ps1

# Converts a video to a gif

# get the filename without extension
$file1 = [System.IO.Path]::GetFileNameWithoutExtension($args[0])
# get the directory name
$dir = [System.IO.Path]::GetDirectoryName($args[0])

Write-Host "Converting " $args[0] " to $dir/$file1.gif"

# create the gif
ffmpeg -hide_banner -loglevel panic -i $args[0] -filter_complex `
    "[0:v]fps=8,setpts=(1/2)*PTS, split [a][b]; [a] palettegen [p]; [b][p] paletteuse" `
     -y "$dir/$file1.gif"

video_to_v_high_speed_gif.sh

# Convert the video to a 480x GIF @ x100 speed

file1=$(basename -- "$1")
dir=$(dirname "$1")
file1="${file1%.*}"

/usr/local/bin/ffmpeg -hide_banner -loglevel panic -i "$1" -filter_complex "[0:v] scale=w=480:h=-1,fps=12,setpts=(1/100)*PTS, split [a][b]; [a] palettegen [p]; [b][p] paletteuse" -y "$dir/$file1.gif"