ffmpeg
List Video file's codec
ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of default=noprint_wrappers=1:nokey=1 video.mkv
Source: How to determine video codec of a file with FFmpeg -- StackOverflow
ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of default=noprint_wrappers=1:nokey=1 video.mkv
Source: How to determine video codec of a file with FFmpeg -- StackOverflow