Spatie’s Media Library requires FFmpeg in order to create video poster images.
sudo apt update
;sudo apt install ffmpeg
;ffmpeg -version
should output FFmpeg version.
FFMPEG_PATH='/usr/bin/ffmpeg' # macOS: '/usr/local/bin/ffmpeg'
FFPROBE_PATH='/usr/bin/ffprobe' # macOS: '/usr/local/bin/ffprobe'