: This represents a duration of 1 hour, 58 minutes, and 56 seconds.
ffmpeg -i midv912engsub.mkv -ss 01:58:56 -c:v libx264 -c:a aac -map 0:v -map 0:a -map 0:s:m:language:eng? output.mp4 midv912engsub convert015856 min free