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The Metadata in Matroska files(Under Construction)¶
What is Matroska?¶
Matroska is open source, open standard Multimedia container. Matroska is usually found as .MKV files (matroska video), .MKA files (matroska audio) and .MKS files (subtitles) and .MK3D files (stereoscopic/3D video). It is also the basis for .webm (WebM) files.
Why Matroska?¶
Its a OpenSource standard multimedia container which is backward compatible,and has ability to support ever changing future multimedia technology with lot of advantages.For more information refer
http://www.matroska.org/technical/whatis/index.html.
How It is Structured?¶
Matroska uses EBML Keeping future in mind.Following picture summarises overview of Matroska structure.Its designed to the need to modern video standards,which contain multiple Video chapters,tracks and comprehensive details required for a Subject/s.
| Metadata Tag | Description | Metadata Tag | Description | Metadata Tag | Description | Metadata Tag | Description | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 0x0000 | ChapterDisplay | 0x0023 | SimpleBlock? | 0x05bc | EditionUID? | 0x1741 | WritingApp | |||
| 0x0003 | TrackType | 0x0024 | CodecState? | 0x05bd | EditionFlagHidden? | 0x1854 | SilentTracks | |||
| 0x0005 | ChapterString | 0x0025 | BlockAdditional? | 0x05db | EditionFlagDefault? | 0x18d7 | SilentTrackNumber | |||
| 0x0006 | "VideoCodecID AudioCodecID CodecID" |
0x0026 | BlockMore | 0x05dd | EditionFlagOrdered? | 0x21a7 | AttachedFile | |||
| 0x0008 | TrackDefault | 0x0027 | Position | 0x065c | AttachedFileData | 0x2240 | ContentEncoding | |||
| 0x0009 | ChapterTrackNumber | 0x002a | CodecDecodeAll | 0x0660 | AttachedFileMIMEType | 0x2264 | AudioBitsPerSample | |||
| 0x000e | Slices | 0x002b | PrevSize | 0x066e | AttachedFileName | 0x23a2 | CodecPrivate? | |||
| 0x000f | ChapterTrack | 0x002e | TrackEntry | 0x0675 | AttachedFileReferral? | 0x23c0 | Targets | |||
| 0x0011 | ChapterTimeStart | 0x002f | EncryptedBlock? | 0x067e | AttachedFileDescription | 0x23c3 | ChapterPhysicalEquivalent | |||
| 0x0012 | ChapterTimeEnd | 0x0030 | ImageWidth | 0x06ae | AttachedFileUID | 0x23c4 | TagChapterUID? | |||
| 0x0016 | CueRefTime? | 0x0033 | CueTime? | 0x07e1 | ContentEncryptionAlgorithm | 0x23c5 | TagTrackUID? | |||
| 0x0017 | CueRefCluster | 0x0035 | AudioSampleRate | 0x07e2 | ContentEncryptionKeyID? | 0x23c6 | TagAttachmentUID? | |||
| 0x0018 | ChapterFlagHidden | 0x0036 | ChapterAtom | 0x07e3 | ContentSignature? | 0x23c9 | TagEditionUID? | |||
| 0x001a | VideoScanType | 0x0037 | CueTrackPositions | 0x07e4 | ContentSignatureKeyID? | 0x23ca | TargetType | |||
| 0x001b | BlockDuration? | 0x0039 | TrackUsed | 0x07e5 | ContentSignatureAlgorithm | 0x2532 | SignedElement? | |||
| 0x001c | TrackLacing? | 0x003a | ImageHeight | 0x07e6 | ContentSignatureHashAlgorithm | 0x2624 | TrackTranslate | |||
| 0x001f | AudioChannels | 0x003b | CuePoint | 0x0d80 | MuxingApp | 0x26a5 | TrackTranslateTrackID? | |||
| 0x0020 | BlockGroup | 0x003f | CRC-32? | 0x0dbb | Seek | 0x26bf | TrackTranslateCodec | |||
| 0x0021 | Block? | 0x004b | BlockAdditionalID? | 0x1031 | ContentEncodingOrder? | 0x26fc | TrackTranslateEditionUID? | |||
| 0x0022 | BlockVirtual? | 0x004c | LaceNumber? | 0x1032 | ContentEncodingScope? | 0x27c8 | SimpleTag | |||
| 0x004d | FrameNumber? | 0x0282 | DocType | 0x1033 | ContentEncodingType | 0x33c5 | TrackUID? | |||
| 0x004e | Delay? | 0x0285 | DocTypeReadVersion | 0x1034 | ContentCompression | 0x3446 | TrackAttachmentUID | |||
| 0x004f | ClusterDuration? | 0x0286 | EBMLVersion | 0x1035 | ContentEncryption | 0x35a1 | BlockAdditions | |||
| 0x0057 | TrackNumber | 0x0287 | DocTypeVersion | 0x135f | CueRefNumber? | 0x38b5 | OutputAudioSampleRate | |||
| 0x005b | CueReference | 0x02f2 | EBMLMaxIDLength? | 0x136e | TrackName | 0x3ba9 | Title | |||
| 0x0060 | Video | 0x02f3 | EBMLMaxSizeLength? | 0x1378 | CueBlockNumber? | 0x3d7b | ChannelPositions? | |||
| 0x0061 | Audio | 0x02f7 | EBMLReadVersion | 0x137f | TrackOffset? | 0x3e5b | SignatureElements | |||
| 0x0067 | Timecode? | 0x037c | ChapterLanguage | 0x13ab | SeekID? | 0x3e7b | SignatureElementList | |||
| 0x0068 | TimeSlice | 0x037e | ChapterCountry | 0x13ac | SeekPosition? | 0x3e8a | SignatureAlgo | |||
| 0x006a | CueCodecState? | 0x0444 | SegmentFamily? | 0x13b8 | Stereo3DMode | 0x3e9a | SignatureHash | |||
| 0x006b | CueRefCodecState? | 0x0461 | DateTimeOriginal | 0x14aa | CropBottom | 0x3ea5 | SignaturePublicKey? | |||
| 0x006c | Void? | 0x047a | TagLanguage | 0x14b0 | DisplayWidth | 0x3eb5 | Signature? | |||
| 0x006e | BlockAddID? | 0x0484 | TagDefault | 0x14b2 | DisplayUnit | 0x2b59c | TrackLanguage | |||
| 0x0071 | CueClusterPosition? | 0x0485 | TagBinary | 0x14b3 | AspectRatioType | 0x3314f | TrackTimecodeScale | |||
| 0x0077 | CueTrack? | 0x0487 | TagString | 0x14ba | DisplayHeight | 0x383e3 | FrameRate | |||
| 0x007a | ReferencePriority? | 0x0489 | Duration | 0x14bb | CropTop | 0x3e383 | "VideoFrameRate DefaultDuration" |
|||
| 0x007b | ReferenceBlock? | 0x050d | ChapterProcessPrivate? | 0x14cc | CropLeft | 0x58688 | "VideoCodecName AudioCodecName CodecName" |
|||
| 0x007d | ReferenceVirtual? | 0x0598 | ChapterFlagEnabled? | 0x14dd | CropRight | 0x6b240 | CodecDownloadURL | |||
| 0x0254 | ContentCompressionAlgorithm | 0x05a3 | TagName | 0x15aa | TrackForced | 0xad7b1 | TimecodeScale | |||
| 0x0255 | ContentCompressionSettings? | 0x05b9 | EditionEntry | 0x15ee | MaxBlockAdditionID? | 0xeb524 | ColorSpace? | |||
| 0x28ca | TargetTypeValue | 0xfb523 | Gamma | 0x2d80 | ContentEncodings | 0x549a966 | Info | |||
| 0x2911 | ChapterProcessCommand | 0x1a9697 | CodecSettings | 0x2de7 | MinCache? | 0x654ae6b | Tracks | |||
| 0x2922 | ChapterProcessTime? | 0x1b4040 | CodecInfoURL | 0x2df8 | MaxCache? | 0x8538067 | SegmentHeader | |||
| 0x2924 | ChapterTranslate | 0x1c83ab | PrevFileName | 0x2e67 | ChapterSegmentUID? | 0x941a469 | Attachments | |||
| 0x2933 | ChapterProcessData? | 0x1cb923 | PrevUID? | 0x2ebc | ChapterSegmentEditionUID? | 0xa45dfa3 | EBMLHeader | |||
| 0x2944 | ChapterProcess | 0x1e83bb | NextFileName | 0x2fab | TrackOverlay? | 0xb538667 | SignatureSlot | |||
| 0x2955 | ChapterProcessCodecID? | 0x1eb923 | NextUID? | 0x3373 | Tag | 0xc53bb6b | Cues | |||
| 0x29a5 | ChapterTranslateID? | 0x43a770 | Chapters | 0x3384 | SegmentFileName | 0xf43b675 | Cluster | |||
| 0x29bf | ChapterTranslateCodec | 0x14d9b74 | SeekHead | 0x33a4 | SegmentUID? | 0x33c4 | ChapterUID? | |||
| 0x29fc | ChapterTranslateEditionUID? | 0x254c367 | Tags |
Matroska Read/Write In Exiv2 Procedure is described as below¶
Updated by Mahesh Hegde over 7 years ago · 3 revisions