michaelspost.com

Fix a file that won't seek on Plex

ffmpeg -err_detect ignore_err -i source.mkv -c copy dest.mkv

Convert a file to x265 and your default audio codec (libvorbis if it's installed)

ffmpeg -i source.mkv -c:v libx265 -vtag hvc1 dest.mkv

Convert a file to x265 leaving audio the same codec

ffmpeg -i source.mkv -c:v libx265 -vtag hvc1 -c:a copy dest.mkv