: Previously, users had to record in .mkv format (which is naturally crash-safe) and then "remux" it into .mp4 for compatibility with editors. fMP4 eliminates this extra step.
: It generally works best with standard codecs like H.264 or H.265; more specialized formats may still require standard MP4 containers for full compatibility. Writing an MP4 Muxer for Fun and Profit - OBS Studio 437.mp4
: Modern implementations, such as the OBS Hybrid MP4, support multiple video and audio tracks within a single file, which is useful for advanced broadcasting and debugging. Minor Caveats : Previously, users had to record in
: Instead of requiring the file to be "finalized" at the end, fMP4 splits the video into smaller, independently decodable segments called "fragments". If a crash occurs, everything recorded up to that moment is preserved. Writing an MP4 Muxer for Fun and Profit
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