ref: 74533c8ff1ab84ff0949d52c3726ccfcfc1bf76a
dir: mcfs/ebml.h
typedef struct Elspec Elspec;
struct Elspec {
vlong id;
char *name;
int type;
};
enum {
/* ebml element value types */
Eunknown,
Emaster,
Ebinary,
Efloat,
Eunsigned,
Esigned,
Eunicode,
Eascii,
Etimestamp,
/* known track types */
Etrackvideo = 1,
Etrackaudio = 2,
Etrackcomplex = 3,
Etracklogo = 16,
Etracksubtitles = 17,
Etrackbuttons = 18,
Etrackcontrol = 32,
Etrackmetadata = 33,
/* ids */
EChapterDisplay = 0x80,
ETrackType = 0x83,
EChapString = 0x85,
ECodecID = 0x86,
EFlagDefault = 0x88,
EChapterTrackUID = 0x89,
ESlices = 0x8e,
EChapterTrack = 0x8f,
EChapterTimeStart = 0x91,
EChapterTimeEnd = 0x92,
ECueRefTime = 0x96,
ECueRefCluster = 0x97,
EChapterFlagHidden = 0x98,
EFlagInterlaced = 0x9a,
EBlockDuration = 0x9b,
EFlagLacing = 0x9c,
EFieldOrder = 0x9d,
EChannels = 0x9f,
EBlockGroup = 0xa0,
EBlock = 0xa1,
EBlockVirtual = 0xa2,
ESimpleBlock = 0xa3,
ECodecState = 0xa4,
EBlockAdditional = 0xa5,
EBlockMore = 0xa6,
EPosition = 0xa7,
ECodecDecodeAll = 0xaa,
EPrevSize = 0xab,
ETrackEntry = 0xae,
EEncryptedBlock = 0xaf,
EPixelWidth = 0xb0,
ECueDuration = 0xb2,
ECueTime = 0xb3,
ESamplingFrequency = 0xb5,
EChapterAtom = 0xb6,
ECueTrackPositions = 0xb7,
EFlagEnabled = 0xb9,
EPixelHeight = 0xba,
ECuePoint = 0xbb,
ECRC32 = 0xbf,
EReferenceFrame = 0xc8,
EReferenceOffset = 0xc9,
EReferenceTimestamp = 0xca,
EBlockAdditionID = 0xcb,
ELaceNumber = 0xcc,
EFrameNumber = 0xcd,
EDelay = 0xce,
ESliceDuration = 0xcf,
ETrackNumber = 0xd7,
ECueReference = 0xdb,
EVideo = 0xe0,
EAudio = 0xe1,
ETrackOperation = 0xe2,
ETrackCombinePlanes = 0xe3,
ETrackPlane = 0xe4,
ETrackPlaneUID = 0xe5,
ETrackPlaneType = 0xe6,
ETimestamp = 0xe7,
ETimeSlice = 0xe8,
ETrackJoinBlocks = 0xe9,
ECueCodecState = 0xea,
ECueRefCodecState = 0xeb,
EVoid = 0xec,
ETrackJoinUID = 0xed,
EBlockAddID = 0xee,
ECueRelativePosition = 0xf0,
ECueClusterPosition = 0xf1,
ECueTrack = 0xf7,
EReferencePriority = 0xfa,
EReferenceBlock = 0xfb,
EReferenceVirtual = 0xfd,
EBlockAddIDName = 0x41a4,
EBlockAdditionMapping = 0x41e4,
EBlockAddIDType = 0x41e7,
EBlockAddIDExtraData = 0x41ed,
EBlockAddIDValue = 0x41f0,
EContentCompAlgo = 0x4254,
EContentCompSettings = 0x4255,
EDocTypeExtension = 0x4281,
EDocType = 0x4282,
EDocTypeExtensionName = 0x4283,
EDocTypeExtensionVersion = 0x4284,
EDocTypeReadVersion = 0x4285,
EEBMLVersion = 0x4286,
EDocTypeVersion = 0x4287,
EEBMLMaxIDLength = 0x42f2,
EEBMLMaxSizeLength = 0x42f3,
EEBMLReadVersion = 0x42f7,
EChapLanguage = 0x437c,
EChapLanguageIETF = 0x437d,
EChapCountry = 0x437e,
ESegmentFamily = 0x4444,
EDateUTC = 0x4461,
ETagLanguage = 0x447a,
ETagLanguageIETF = 0x447b,
ETagDefault = 0x4484,
ETagBinary = 0x4485,
ETagString = 0x4487,
EDuration = 0x4489,
EChapProcessPrivate = 0x450d,
EChapterFlagEnabled = 0x4598,
ETagName = 0x45a3,
EEditionEntry = 0x45b9,
EEditionUID = 0x45bc,
EEditionFlagHidden = 0x45bd,
EEditionFlagDefault = 0x45db,
EEditionFlagOrdered = 0x45dd,
EFileData = 0x465c,
EFileMimeType = 0x4660,
EFileUsedStartTime = 0x4661,
EFileUsedEndTime = 0x4662,
EFileName = 0x466e,
EFileReferral = 0x4675,
EFileDescription = 0x467e,
EFileUID = 0x46ae,
EContentEncAlgo = 0x47e1,
EContentEncKeyID = 0x47e2,
EContentSignature = 0x47e3,
EContentSigKeyID = 0x47e4,
EContentSigAlgo = 0x47e5,
EContentSigHashAlgo = 0x47e6,
EContentAESSettings = 0x47e7,
EAESSettingsCipherMode = 0x47e8,
EMuxingApp = 0x4d80,
ESeek = 0x4dbb,
EContentEncodingOrder = 0x5031,
EContentEncodingScope = 0x5032,
EContentEncodingType = 0x5033,
EContentCompression = 0x5034,
EContentEncryption = 0x5035,
ECueRefNumber = 0x535f,
EName = 0x536e,
ECueBlockNumber = 0x5378,
ETrackOffset = 0x537f,
ESeekID = 0x53ab,
ESeekPosition = 0x53ac,
EStereoMode = 0x53b8,
EOldStereoMode = 0x53b9,
EAlphaMode = 0x53c0,
EPixelCropBottom = 0x54aa,
EDisplayWidth = 0x54b0,
EDisplayUnit = 0x54b2,
EAspectRatioType = 0x54b3,
EDisplayHeight = 0x54ba,
EPixelCropTop = 0x54bb,
EPixelCropLeft = 0x54cc,
EPixelCropRight = 0x54dd,
EFlagForced = 0x55aa,
EColour = 0x55b0,
EMatrixCoefficients = 0x55b1,
EBitsPerChannel = 0x55b2,
EChromaSubsamplingHorz = 0x55b3,
EChromaSubsamplingVert = 0x55b4,
ECbSubSamplingHorz = 0x55b5,
ECbSubSamplingVert = 0x55b6,
EChromaSitingHorz = 0x55b7,
EChromaSitingVert = 0x55b8,
ERange = 0x55b9,
ETransferCharacteristics = 0x55ba,
EPrimaries = 0x55bb,
EMaxCLL = 0x55bc,
EMaxFALL = 0x55bd,
EMasteringMetadata = 0x55d0,
EPrimaryRChromaticityX = 0x55d1,
EPrimaryRChromaticityY = 0x55d2,
EPrimaryGChromaticityX = 0x55d3,
EPrimaryGChromaticityY = 0x55d4,
EPrimaryBChromaticityX = 0x55d5,
EPrimaryBChromaticityY = 0x55d6,
EWhitePointChromaticityX = 0x55d7,
EWhitePointChromaticityY = 0x55d8,
ELuminanceMax = 0x55d9,
ELuminanceMin = 0x55da,
EMaxBlockAdditionID = 0x55ee,
EChapterStringUID = 0x5654,
ECodecDelay = 0x56aa,
ESeekPreRoll = 0x56bb,
EWritingApp = 0x5741,
ESilentTracks = 0x5854,
ESilentTrackNumber = 0x58d7,
EAttachedFile = 0x61a7,
EContentEncoding = 0x6240,
EBitDepth = 0x6264,
ECodecPrivate = 0x63a2,
ETargets = 0x63c0,
EChapterPhysicalEquiv = 0x63c3,
ETagChapterUID = 0x63c4,
ETagTrackUID = 0x63c5,
ETagAttachmentUID = 0x63c6,
ETagEditionUID = 0x63c9,
ETargetType = 0x63ca,
ETrackTranslate = 0x6624,
ETrackTranslateTrackID = 0x66a5,
ETrackTranslateCodec = 0x66bf,
ETrackTranslateEditionUID = 0x66fc,
ESimpleTag = 0x67c8,
ETargetTypeValue = 0x68ca,
EChapProcessCommand = 0x6911,
EChapProcessTime = 0x6922,
EChapterTranslate = 0x6924,
EChapProcessData = 0x6933,
EChapProcess = 0x6944,
EChapProcessCodecID = 0x6955,
EChapterTranslateID = 0x69a5,
EChapterTranslateCodec = 0x69bf,
EChapterTranslateEditionUID = 0x69fc,
EContentEncodings = 0x6d80,
EMinCache = 0x6de7,
EMaxCache = 0x6df8,
EChapterSegmentUID = 0x6e67,
EChapterSegmentEditionUID = 0x6ebc,
ETrackOverlay = 0x6fab,
ETag = 0x7373,
ESegmentFilename = 0x7384,
ESegmentUID = 0x73a4,
EChapterUID = 0x73c4,
ETrackUID = 0x73c5,
EAttachmentLink = 0x7446,
EBlockAdditions = 0x75a1,
EDiscardPadding = 0x75a2,
EProjection = 0x7670,
EProjectionType = 0x7671,
EProjectionPrivate = 0x7672,
EProjectionPoseYaw = 0x7673,
EProjectionPosePitch = 0x7674,
EProjectionPoseRoll = 0x7675,
EOutputSamplingFrequency = 0x78b5,
ETitle = 0x7ba9,
EChannelPositions = 0x7d7b,
ELanguage = 0x22b59c,
ELanguageIETF = 0x22b59d,
ETrackTimestampScale = 0x23314f,
EDefaultDecodedFieldDuration = 0x234e7a,
EFrameRate = 0x2383e3,
EDefaultDuration = 0x23e383,
ECodecName = 0x258688,
ECodecDownloadURL = 0x26b240,
ETimestampScale = 0x2ad7b1,
EColourSpace = 0x2eb524,
EGammaValue = 0x2fb523,
ECodecSettings = 0x3a9697,
ECodecInfoURL = 0x3b4040,
EPrevFilename = 0x3c83ab,
EPrevUID = 0x3cb923,
ENextFilename = 0x3e83bb,
ENextUID = 0x3eb923,
EChapters = 0x1043a770,
ESeekHead = 0x114d9b74,
ETags = 0x1254c367,
EInfo = 0x1549a966,
ETracks = 0x1654ae6b,
ESegment = 0x18538067,
EAttachments = 0x1941a469,
EEBML = 0x1a45dfa3,
ECues = 0x1c53bb6b,
ECluster = 0x1f43b675,
};
int ebmluintb(u8int *b, vlong sz, vlong *out);
int ebmlsintb(u8int *b, vlong sz, vlong *out);
int ebmluint(Biobuf *f, vlong sz, vlong *out);
int ebmlsint(Biobuf *f, vlong sz, vlong *out);
int ebmlfloat(Biobuf *f, vlong sz, double *out);
vlong ebmlel(Biobuf *f, vlong sz, Elspec *el, vlong *esz);
vlong ebmlrawuint(Biobuf *f, vlong sz, vlong *dst);
vlong ebmlrawsint(Biobuf *f, vlong sz, vlong *dst);
char *ebmltracktype(int t);