This is the video codec. It’s highly compatible, meaning it will play on almost any device (Smart TVs, laptops, phones).

The specific filename you mentioned is a Hindi HQ Dub , meaning the original Tamil audio has been replaced with a high-quality Hindi voice-over. Technical Breakdown of the File

The filename southfreak-com-oh-my-ghost-2022-hindi-hq-dub-1080p-webrip-x264-mkv tells you exactly what to expect:

Press V in VLC to cycle through any available subtitle tracks if you find the dubbing hard to follow. A Quick Warning