Trying_to_find_my_car_keys__x265_hevc_.mkv -

This is a highly efficient compression method. Compared to older standards like H.264, it offers about 50% better data compression at the same level of video quality.

The Matroska Multimedia Container is an open-standard format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. Trying_To_Find_My_Car_Keys__x265_HEVC_.mkv

If the video won't play, your media player may lack the necessary HEVC codec. Modern players like VLC Media Player or MPC-HC natively support this format. This is a highly efficient compression method

If this appeared in a program like MakeMKV, it could indicate a SCSI error caused by a dirty disc or a drive timeout. Trying_To_Find_My_Car_Keys__x265_HEVC_.mkv