Format reference
MKV Format Hub
MKV (.mkv) is a Matroska-based container supporting multiple audio, subtitle, and attachment tracks. It accommodates modern codecs and advanced features like chapters and menus. Use sample .mkv files to validate multipath demuxing, subtitle rendering, and header parsing.
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video/x-matroska
Related Formats in Video
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MOV vs MKV
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Implementation Notes
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Use the manifest endpoint for deterministic fixture selection in CI, then validate MIME/type detection against actual parser output.
If this format appears in multiple categories, prefer category-specific hub pages to keep test assumptions aligned with real usage.