Matroska / WebM
Open container format based on EBML, supporting virtually any codec combination. WebM is a subset for web use.
Standards: Matroska Media Container Specifications
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| EBML | EBML | |
| EBML Version | EBMLVersion | |
| EBML Read Version | EBMLReadVersion | |
| DocType | DocType | |
| DocType Version | DocTypeVersion | |
| DocType Read Version | DocTypeReadVersion | |
| EBML Max ID Length | EBMLMaxIDLength | |
| EBML Max Size Length | EBMLMaxSizeLength | |
| DocType Extension | DocTypeExtension | |
| DocType Extension Name | DocTypeExtensionName | |
| DocType Extension Version | DocTypeExtensionVersion | |
Global elements
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| CRC-32 | CRC-32 | |
| Void | Void | |
| Segment | Segment | |
Seek Head
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| SeekHead | SeekHead | |
| Seek | Seek | |
| SeekID | SeekID | |
| Seek Position | SeekPosition | |
Segment Information
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Info | Info | |
| Segment UUID | SegmentUUID | |
| Segment Filename | SegmentFilename | |
| Previous UUID | PrevUUID | |
| Previous Filename | PrevFilename | |
| Next UUID | NextUUID | |
| Next Filename | NextFilename | |
| Segment Family | SegmentFamily | |
| Timestamp Scale | TimestampScale | |
| Duration | Duration | |
| Date UTC | DateUTC | |
| Title | Title | |
| Muxing App | MuxingApp | |
| Writing App | WritingApp | |
| Chapter Translate | ChapterTranslate | |
| Chapter Translate ID | ChapterTranslateID | |
| Chapter Translate Codec | ChapterTranslateCodec | |
| Chapter Translate Edition UID | ChapterTranslateEditionUID | |
Cluster
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Cluster | Cluster | |
| Timestamp | Timestamp | |
| Position | Position | |
| Previous Size | PrevSize | |
| Silent Tracks | SilentTracks | |
| Silent Track Number | SilentTrackNumber | |
| Simple Block | SimpleBlock | |
| Block Group | BlockGroup | |
| Block | Block | |
| Block Virtual | BlockVirtual | |
| Block Additions | BlockAdditions | |
| Block More | BlockMore | |
| Block Additional | BlockAdditional | |
| Block Add ID | BlockAddID | |
| Block Duration | BlockDuration | |
| Reference Priority | ReferencePriority | |
| Reference Block | ReferenceBlock | |
| Reference Virtual | ReferenceVirtual | |
| Codec State | CodecState | |
| Discard Padding | DiscardPadding | |
| Slices | Slices | |
| Time Slice | TimeSlice | |
| Reference Frame | ReferenceFrame | |
| Lace Number | LaceNumber | |
| Frame Number | FrameNumber | |
| Block Addition ID | BlockAdditionID | |
| Delay | Delay | |
| Slice Duration | SliceDuration | |
| Reference Offset | ReferenceOffset | |
| Reference Timestamp | ReferenceTimestamp | |
| Encrypted Block | EncryptedBlock | |
Track
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Tracks | Tracks | |
| Track Entry | TrackEntry | |
| Track Number | TrackNumber | |
| Track UID | TrackUID | |
| Track Type | TrackType | |
| Flag Enabled | FlagEnabled | |
| Flag Default | FlagDefault | |
| Flag Forced | FlagForced | |
| Flag Hearing Impaired | FlagHearingImpaired | |
| Flag Visual Impaired | FlagVisualImpaired | |
| Flag Text Descriptions | FlagTextDescriptions | |
| Flag Original | FlagOriginal | |
| Flag Commentary | FlagCommentary | |
| Flag Lacing | FlagLacing | |
| Min Cache | MinCache | |
| Max Cache | MaxCache | |
| Default Duration | DefaultDuration | |
| Default Decoded Field Duration | DefaultDecodedFieldDuration | |
| Track Timestamp Scale | TrackTimestampScale | |
| Track Offset | TrackOffset | |
| Max Block Addition ID | MaxBlockAdditionID | |
| Name | Name | |
| Language | Language | |
| Language BCP47 | LanguageBCP47 | |
| Codec ID | CodecID | |
| Codec Private | CodecPrivate | |
| Codec Name | CodecName | |
| Attachment Link | AttachmentLink | |
| Codec Settings | CodecSettings | |
| Codec Info URL | CodecInfoURL | |
| Codec Download URL | CodecDownloadURL | |
| Codec Decode All | CodecDecodeAll | |
| Track Overlay | TrackOverlay | |
| Codec Delay | CodecDelay | |
| Seek Pre Roll | SeekPreRoll | |
| Block Addition Mapping | BlockAdditionMapping | |
| Block Add ID Value | BlockAddIDValue | |
| Block Add ID Name | BlockAddIDName | |
| Block Add ID Type | BlockAddIDType | |
| Block Add ID Extra Data | BlockAddIDExtraData | |
| Track Translate | TrackTranslate | |
| Track Translate Track ID | TrackTranslateTrackID | |
| Track Translate Codec | TrackTranslateCodec | |
| Track Translate Edition UID | TrackTranslateEditionUID | |
Video Track
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Video | Video | |
| Flag Interlaced | FlagInterlaced | |
| Field Order | FieldOrder | |
| Stereo Mode | StereoMode | |
| Alpha Mode | AlphaMode | |
| Old Stereo Mode | OldStereoMode | |
| Pixel Width | PixelWidth | |
| Pixel Height | PixelHeight | |
| Pixel Crop Bottom | PixelCropBottom | |
| Pixel Crop Top | PixelCropTop | |
| Pixel Crop Left | PixelCropLeft | |
| Pixel Crop Right | PixelCropRight | |
| Display Width | DisplayWidth | |
| Display Height | DisplayHeight | |
| Display Unit | DisplayUnit | |
| Aspect Ratio Type | AspectRatioType | |
| Uncompressed FourCC | UncompressedFourCC | |
| Gamma Value | GammaValue | |
| Frame Rate | FrameRate | |
| Colour | Colour | |
| Matrix Coefficients | MatrixCoefficients | |
| Bits Per Channel | BitsPerChannel | |
| Chroma Subsampling Horz | ChromaSubsamplingHorz | |
| Chroma Subsampling Vert | ChromaSubsamplingVert | |
| Cb Subsampling Horz | CbSubsamplingHorz | |
| Cb Subsampling Vert | CbSubsamplingVert | |
| Chroma Siting Horz | ChromaSitingHorz | |
| Chroma Siting Vert | ChromaSitingVert | |
| Range | Range | |
| Transfer Characteristics | TransferCharacteristics | |
| Primaries | Primaries | |
| Max CLL | MaxCLL | |
| Max FALL | MaxFALL | |
| Mastering Metadata | MasteringMetadata | |
| Primary R Chromaticity X | PrimaryRChromaticityX | |
| Primary R Chromaticity Y | PrimaryRChromaticityY | |
| Primary G Chromaticity X | PrimaryGChromaticityX | |
| Primary G Chromaticity Y | PrimaryGChromaticityY | |
| Primary B Chromaticity X | PrimaryBChromaticityX | |
| Primary B Chromaticity Y | PrimaryBChromaticityY | |
| White Point Chromaticity X | WhitePointChromaticityX | |
| White Point Chromaticity Y | WhitePointChromaticityY | |
| Luminance Max | LuminanceMax | |
| Luminance Min | LuminanceMin | |
| Projection | Projection | |
| Projection Type | ProjectionType | |
| Projection Private | ProjectionPrivate | |
| Projection Pose Yaw | ProjectionPoseYaw | |
| Projection Pose Pitch | ProjectionPosePitch | |
| Projection Pose Roll | ProjectionPoseRoll | |
Audio Track
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Audio | Audio | |
| Sampling Frequency | SamplingFrequency | |
| Output Sampling Frequency | OutputSamplingFrequency | |
| Channels | Channels | |
| Channel Positions | ChannelPositions | |
| Bit Depth | BitDepth | |
| Emphasis | Emphasis | |
Track Operations and Encoding
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Track Operation | TrackOperation | |
| Track Combine Planes | TrackCombinePlanes | |
| Track Plane | TrackPlane | |
| Track Plane UID | TrackPlaneUID | |
| Track Plane Type | TrackPlaneType | |
| Track Join Blocks | TrackJoinBlocks | |
| Track Join UID | TrackJoinUID | |
| Content Encodings | ContentEncodings | |
| Content Encoding | ContentEncoding | |
| Content Encoding Order | ContentEncodingOrder | |
| Content Encoding Scope | ContentEncodingScope | |
| Content Encoding Type | ContentEncodingType | |
| Content Compression | ContentCompression | |
| Content Comp Algo | ContentCompAlgo | |
| Content Comp Settings | ContentCompSettings | |
| Content Encryption | ContentEncryption | |
| Content Enc Algo | ContentEncAlgo | |
| Content Enc Key ID | ContentEncKeyID | |
| AES Settings Cipher Mode | AESSettingsCipherMode | |
| Content Enc AES Settings | ContentEncAESSettings | |
| Content Signature | ContentSignature | |
| Content Sig Key ID | ContentSigKeyID | |
| Content Sig Algo | ContentSigAlgo | |
| Content Sig Hash Algo | ContentSigHashAlgo | |
Cues
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Cues | Cues | |
| Cue Point | CuePoint | |
| Cue Time | CueTime | |
| Cue Track Positions | CueTrackPositions | |
| Cue Track | CueTrack | |
| Cue Cluster Position | CueClusterPosition | |
| Cue Relative Position | CueRelativePosition | |
| Cue Duration | CueDuration | |
| Cue Block Number | CueBlockNumber | |
| Cue Codec State | CueCodecState | |
| Cue Reference | CueReference | |
| Cue Ref Time | CueRefTime | |
| Cue Ref Cluster | CueRefCluster | |
| Cue Ref Number | CueRefNumber | |
| Cue Ref Codec State | CueRefCodecState | |
Attachments
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Attachments | Attachments | |
| Attached File | AttachedFile | |
| File Description | FileDescription | |
| File Name | FileName | |
| File Media Type | FileMediaType | |
| File Data | FileData | |
| File UID | FileUID | |
| File Referral | FileReferral | |
| File Used Start Time | FileUsedStartTime | |
| File Used End Time | FileUsedEndTime | |
Chapters
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Chapters | Chapters | |
| Edition Entry | EditionEntry | |
| Edition UID | EditionUID | |
| Edition Flag Hidden | EditionFlagHidden | |
| Edition Flag Default | EditionFlagDefault | |
| Edition Flag Ordered | EditionFlagOrdered | |
| Edition Display | EditionDisplay | |
| Edition String | EditionString | |
| Edition Language IETF | EditionLanguageIETF | |
| Chapter Atom | ChapterAtom | |
| Chapter UID | ChapterUID | |
| Chapter String UID | ChapterStringUID | |
| Chapter Time Start | ChapterTimeStart | |
| Chapter Time End | ChapterTimeEnd | |
| Chapter Flag Hidden | ChapterFlagHidden | |
| Chapter Flag Enabled | ChapterFlagEnabled | |
| Chapter Segment UUID | ChapterSegmentUUID | |
| Chapter Skip Type | ChapterSkipType | |
| Chapter Segment Edition UID | ChapterSegmentEditionUID | |
| Chapter Physical Equiv | ChapterPhysicalEquiv | |
| Chapter Track | ChapterTrack | |
| Chapter Track UID | ChapterTrackUID | |
| Chapter Display | ChapterDisplay | |
| Chap String | ChapString | |
| Chap Language | ChapLanguage | |
| Chap Language BCP47 | ChapLanguageBCP47 | |
| Chap Country | ChapCountry | |
| Chap Process | ChapProcess | |
| Chap Process Codec ID | ChapProcessCodecID | |
| Chap Process Private | ChapProcessPrivate | |
| Chap Process Command | ChapProcessCommand | |
| Chap Process Time | ChapProcessTime | |
| Chap Process Data | ChapProcessData | |
Tags
Standard or specification: Matroska Media Container Specifications
| Human-friendly name | Syntax element name, as defined in the spec | Support Level |
|---|
| Tags | Tags | |
| Tag | Tag | |
| Targets | Targets | |
| Target Type Value | TargetTypeValue | |
| Target Type | TargetType | |
| Tag Track UID | TagTrackUID | |
| Tag Edition UID | TagEditionUID | |
| Tag Chapter UID | TagChapterUID | |
| Tag Attachment UID | TagAttachmentUID | |
| Simple Tag | SimpleTag | |
| Tag Name | TagName | |
| Tag Language | TagLanguage | |
| Tag Language BCP47 | TagLanguageBCP47 | |
| Tag Default | TagDefault | |
| Tag Default Bogus | TagDefaultBogus | |
| Tag String | TagString | |
| Tag Binary | TagBinary | |