A widely used container standard for digital video and audio, often using H.264 or MPEG-2 encoding .
Most modern media players, such as Kodi or VLC, can handle both MKV and MP4 files, though a double extension might cause playback errors in some software. bidi package - All Versions - Pub.dev Bidi 02.mkv.mp4
"Bidi 02" likely refers to the content's title or series. In technical contexts, "BiDi" can stand for Bidirectional , often used in reference to: A widely used container standard for digital video
A flexible container that can hold unlimited video, audio, and subtitle tracks in one file. such as Kodi or VLC
A user may have attempted to convert a Matroska (.mkv) file to an MPEG-4 (.mp4) file but manually typed the new extension instead of letting a converter tool handle it.