425 lines
24 KiB
DTD
425 lines
24 KiB
DTD
<!--
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Preliminary DTD for Open JPEG "mj2_to_metadata" function.
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Last revised: April 20, 2005
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Author: Glenn Pearson, at U.S. National Library of Medicine.
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See mj2_to_metadata.c regarding copyright, license, disclaimer status.
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While the vocabulary of this DTD is based on the relevant portions of the
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ISO/IEC JPEG 200 standard, the detailed representation is the author's own.
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It is neither an ISO/IEC nor NLM official or consensus representation.
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Furthermore, it deviates from a pure representation of the ISO/IEC standard
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in these aspects:
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- it is incomplete in a number of ways (which to some extent may be
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addressed over time);
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- it has extensions for "derived" data and "statistics";
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- it is more flexible. That is, some elements are marked as optional
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not because they are optional in an MJ2 file, but because reporting
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of them is optional based on current or projected mj2_to_metadata
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command-line flags.
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-->
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<!ELEMENT MJ2_File (JP2?, FileType?, MovieBox?)>
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<!ELEMENT JP2 EMPTY>
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<!ATTLIST JP2 BoxType CDATA #FIXED "jP[space][space]">
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<!ATTLIST JP2 Signature CDATA #FIXED "0x0d0a870a">
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<!ELEMENT FileType (Brand, MinorVersion, CompatibilityList)>
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<!ATTLIST FileType BoxType CDATA #FIXED "ftyp">
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<!ELEMENT Brand (#PCDATA)> <!-- 4 characters max -->
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<!ELEMENT MinorVersion (#PCDATA)> <!-- 4 chararcters max -->
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<!ELEMENT CompatibilityList (CompatibleBrand)*>
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<!ATTLIST CompatibilityList Count CDATA #REQUIRED> <!-- Count >= 0 -->
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<!ELEMENT CompatibleBrand (#PCDATA)> <!-- 4 characters max -->
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<!ELEMENT MovieBox (MovieHeader, Statistics?, Track*)>
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<!ATTLIST MovieBox BoxType CDATA #FIXED "moov">
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<!ELEMENT MovieHeader (CreationTime, ModificationTime, Timescale, Rate, Duration, Volume, TransformationMatrix)>
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<!ATTLIST MovieHeader BoxType CDATA #FIXED "mvhd">
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<!ELEMENT CreationTime (InSeconds?,AsLocalTime?)>
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<!ELEMENT InSeconds (#PCDATA)>
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<!ELEMENT AsLocalTime (#PCDATA)>
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<!ELEMENT ModificationTime (InSeconds?,AsLocalTime?)>
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<!ELEMENT Timescale (#PCDATA)> <!-- Timescale defines time units in one second -->
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<!ELEMENT Rate (AsHex | (AsHex, AsDecimal) | AsDecimal)> <!-- Decimal is Approximation; Optional on input. -->
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<!ELEMENT AsHex (#PCDATA)>
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<!ELEMENT AsDecimal (#PCDATA)>
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<!ELEMENT Duration (InTimeUnits | (InTimeUnits, InSeconds) | InSeconds)> <!-- InSeconds Optional on input. -->
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<!ELEMENT InTimeUnits (#PCDATA)>
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<!ELEMENT Volume (AsHex | (AsHex, AsDecimal) | AsDecimal)> <!-- hex default = 0x0100 -->
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<!-- Fixed 8.8 value of audio volume. Full, normal value is 1.0 (0x0100) -->
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<!ELEMENT TransformationMatrix (TMa,TMb,TMu,TMc,TMd,TMv,TMx,TMy,TMw)> <!-- for video -->
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<!-- 3 x 3 Video Transformation Matrix {a,b,u,c,d,v,x,y,w}. Required: u=0, v=0, w=1 -->
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<!-- Maps decompressed point (p,q) to rendered point (ap + cq + x, bp + dq + y) -->
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<!-- Stored as Fixed Point Hex: all are 16.16, except u,v,w are 2.30 -->
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<!-- Unity = 0x00010000,0,0,0,0x00010000,0,0,0,0x40000000 -->
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<!ELEMENT TMa (#PCDATA)>
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<!ELEMENT TMb (#PCDATA)>
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<!ELEMENT TMu (#PCDATA)> <!--Always "0x00000000" -->
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<!ELEMENT TMc (#PCDATA)>
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<!ELEMENT TMd (#PCDATA)>
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<!ELEMENT TMv (#PCDATA)> <!--Always "0x00000000" -->
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<!ELEMENT TMx (#PCDATA)>
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<!ELEMENT TMy (#PCDATA)>
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<!ELEMENT TMw (#PCDATA)> <!--Always "0x40000000" -->
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<!ELEMENT Statistics (TracksFound)>
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<!ELEMENT TracksFound (Video,Audio,Hint)>
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<!ELEMENT Video (#PCDATA)>
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<!ELEMENT Audio (#PCDATA)>
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<!ELEMENT Hint (#PCDATA)>
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<!-- For now, output info on at most one video track -->
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<!ELEMENT Track (TrackHeader, TrackReferenceContainer?, EditListContainer?, Media, JP2_Frame?)> <!-- JP2_Frame is mj2_to_metadata extension -->
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<!ATTLIST Track BoxType CDATA #FIXED "trak">
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<!ATTLIST Track Instance CDATA #REQUIRED>
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<!ELEMENT TrackHeader (TrackID, TrackLayer?, Volume?, TransformationMatrix?, Width?, Height?)>
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<!ATTLIST TrackHeader BoxType CDATA #FIXED "tkhd">
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<!-- Not shown here: CreationTime, ModificationTime, Duration. -->
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<!-- These 3 fields are reported under MediaHeader below. When reading these 3, -->
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<!-- m2j_to_metadata currently doesn't distinguish between TrackHeader and MediaHeader source. -->
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<!-- If both found, value read from MediaHeader is used. -->
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<!ELEMENT TrackID (#PCDATA)>
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<!ELEMENT TrackLayer (#PCDATA)> <!-- front-to-back ordering of video tracks. 0 = normal, -1 is closer, etc. -->
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<!-- "Volume" element described above; here it is for particular audio track. Full, normal (default = 0x0100) -->
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<!-- "TransformationMatrix" element described above; matrix here is applied before MovieHeader one. -->
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<!ELEMENT Width (AsHex | (AsHex, AsDecimal) | AsDecimal)>
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<!ELEMENT Height (AsHex | (AsHex, AsDecimal) | AsDecimal)>
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<!-- AsHex, AsDecimal already defined above -->
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<!-- Width and Height are for the presentation; frames will be scaled to this -->
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<!-- /TrackHeader -->
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<!ELEMENT TrackReferenceContainer ANY> <!-- TO DO: TrackReferenceContainer 'tref' just used in hint track -->
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<!ELEMENT EditListContainer ANY> <!-- TO DO: EditListContainer 'edts', contains EditList 'elst' with media-time, segment-duration, media-rate -->
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<!ELEMENT Media (MediaHeader, HandlerReference,MediaInfoContainer)>
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<!ATTLIST Media BoxType CDATA #FIXED "mdia">
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<!ELEMENT MediaHeader (CreationTime,ModificationTime,Timescale,Duration,Language)>
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<!ATTLIST MediaHeader BoxType CDATA #FIXED "mdhd">
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<!-- Elements already defined above: CreationTime, ModificationTime, Timescale, Duration -->
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<!ELEMENT Language (#PCDATA)> <!-- 3 chars max. There's an enumeration available -->
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<!ELEMENT HandlerReference (HandlerType)>
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<!ATTLIST HandlerReference BoxType CDATA #FIXED "hdlr">
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<!ELEMENT HandlerType (#PCDATA)>
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<!ATTLIST HandlerType Code ( vide | soun | hint ) "vide">
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<!-- make the media headers multiple? -->
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<!ELEMENT MediaInfoContainer ((VideoMediaHeader | SoundMediaHeader | HintMediaHeader), DataInfo, SampleTable)>
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<!ATTLIST MediaInfoContainer BoxType CDATA #FIXED "minf">
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<!ELEMENT VideoMediaHeader (GraphicsMode, Opcolor)>
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<!ATTLIST VideoMediaHeader BoxType CDATA #FIXED "vmhd">
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<!ELEMENT GraphicsMode (#PCDATA)>
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<!-- Enumerated values of graphics mode: -->
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<!-- 0x00 = copy (over existing image); -->
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<!-- 0x24 = transparent; 'blue-screen' this image using opcolor; -->
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<!-- 0x100 = alpha; alpha-blend this image -->
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<!-- 0x101 = whitealpha; alpha-blend this image, which has been blended with white; -->
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<!-- 0x102 = blackalpha; alpha-blend this image, which has been blended with black. -->
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<!ELEMENT Opcolor (Red,Green,Blue)>
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<!ELEMENT Red (#PCDATA)>
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<!ELEMENT Green (#PCDATA)>
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<!ELEMENT Blue (#PCDATA)>
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<!ELEMENT SoundMediaHeader (Balance)>
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<!ATTLIST SoundMediaHeader BoxType CDATA #FIXED "smhd">
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<!ELEMENT Balance (#PCDATA)>
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<!-- Fixed Point 8.8, fixes mono track in stereo space. -->
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<!-- 0.0 = center, -1.0 = full left, 1.0 = full right -->
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<!ELEMENT HintMediaHeader (MaxPDU_Size, AvgPDU_Size, MaxBitRate, AvgBitRate, SlidingAvgBitRate)>
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<!ATTLIST HintMediaHeader BoxType CDATA #FIXED "hmhd">
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<!ELEMENT MaxPDU_Size (#PCDATA)>
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<!-- Size in bytes of largest PDU in this hint stream. -->
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<!ELEMENT AvgPDU_Size (#PCDATA)>
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<!-- Average size in bytes of a PDU over the entire presentation. -->
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<!ELEMENT MaxBitRate (#PCDATA)>
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<!-- Maximum rate in bits per second over any window of 1 second. -->
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<!ELEMENT AvgBitRate (#PCDATA)>
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<!-- Averate rate in bits per second over the entire presentation. -->
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<!ELEMENT SlidingAvgBit (#PCDATA)>
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<!-- Maximum rate in bits per second over any window of one minute. -->
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<!ELEMENT DataInfo (DataReference)>
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<!ATTLIST DataInfo BoxType CDATA #FIXED "dinf">
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<!ELEMENT DataReference (DataEntryUrlBox | DataEntryUrnBox )*>
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<!ATTLIST DataReference BoxType CDATA #FIXED "dref">
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<!ATTLIST DataReference URL_Count CDATA #REQUIRED>
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<!ATTLIST DataReference URN_Count CDATA #REQUIRED> <!-- table w. flags, URLs, URNs -->
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<!-- // Data structure does not distinguish between single URL, single URN, or DREF table or URLs & URNs.
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// We could infer those, but for now just present everything as a DREF table.
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-->
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<!-- No entries here mean that file is self-contained, as required by Simple Profile. -->
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<!ELEMENT DataEntryUrlBox (Location)>
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<!ATTLIST DataEntryUrlBox BoxType CDATA #FIXED "url[space]"> <!-- table w. flags, URLs, URNs -->
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<!-- Only the first 16 bytes of URL location are recorded in mj2_to_metadata data structure. -->
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<!ELEMENT DataEntryUrnBox (Name, Location?)>
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<!ATTLIST DataEntryUrnBox BoxType CDATA #FIXED "urn[space]\">
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<!-- Only the first 16 bytes each of URN name and optional location are recorded in mj2_to_metadata data structure. -->
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<!ELEMENT SampleTable (VisualSampleEntry,TimeToSample,SampleToChunk,SampleSize,ChunkOffset)> <!-- structure doesn't do non-visual sample entry yet -->
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<!ATTLIST SampleTable BoxType CDATA #FIXED "stbl"> <!-- to add: entry count -->
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<!-- Next are instances of generic SampleDescription BoxType=\"stsd\" -->
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<!-- There could be multiple instances of this, but "entry_count" is just a local at read-time.
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And it's used wrong, too, as count of just visual type, when it's really all 3 types.
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This is referred to as "smj2" within mj2.c -->
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<!ELEMENT VisualSampleEntry (WidthAsInteger, HeightAsInteger, HorizontalRes, VerticalRes, CompressorName, Depth, JP2Header?, FieldCoding?, MJP2_Profile?, MJP2_Prefix?, MJP2_SubSampling?, MJP2_OriginalFormat?)>
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<!ATTLIST VisualSampleEntry BoxType CDATA #FIXED "mjp2">
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<!-- If multiple instances of this, only first is shown here. -->
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<!ELEMENT WidthAsInteger (#PCDATA)>
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<!ELEMENT HeightAsInteger (#PCDATA)>
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<!ELEMENT HorizontalRes (AsHex | (AsHex, AsDecimal) | AsDecimal)>
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<!ELEMENT VerticalRes (AsHex | (AsHex, AsDecimal) | AsDecimal)>
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<!-- Typical value for both resolution is 72 (0x00480000) -->
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<!ELEMENT CompressorName (#PCDATA)>
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<!-- Compressor name for debugging. Standard restricts max length to 31 bytes. -->
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<!-- Usually blank or \"Motion JPEG2000\" -->
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<!ELEMENT Depth (#PCDATA)>
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<!-- Depth is: -->
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<!-- 0x20: alpha channels present (color or grayscale) -->
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<!-- 0x28: grayscale without alpha -->
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<!-- 0x18: color without alpha -->
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<!-- TODO somewhere: tk->jp2_struct.numcomps -->
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<!ELEMENT JP2Header (ImageHeader, ColourSpecification)>
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<!ATTLIST JP2Header BoxType CDATA #FIXED "jp2h">
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<!ELEMENT ImageHeader (HEIGHT, WIDTH, NC, BPC, C, UnkC, IPR)>
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<!ATTLIST ImageHeader BoxType CDATA #FIXED "ihdr">
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<!ELEMENT HEIGHT (#PCDATA)> <!-- If 2 fields/frame, total deinterlaced height -->
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<!ELEMENT WIDTH (#PCDATA)>
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<!ELEMENT NC (#PCDATA)> <!-- number of components -->
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<!ELEMENT BPC (AsHex | (AsHex,BitsPerPixel,Signed) | (BitsPerPixel,Signed))>
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<!ELEMENT BitsPerPixel (#PCDATA)>
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<!ELEMENT Signed (#PCDATA)>
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<!ELEMENT C (#PCDATA)> <!-- Compression type. Only "7" defined -->
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<!ELEMENT UnkC (#PCDATA)> <!-- Colourspace Unknown. 1 = unknown, 0 = known -->
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<!ELEMENT IPR (#PCDATA)> <!-- 1 = frame has Intellectual Prop. box; otherwise 0 -->
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<!ELEMENT ColourSpecification (METH, PREC, APPROX, EnumCS)>
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<!ATTLIST ColourSpecification BoxType CDATA #FIXED "colr">
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<!ELEMENT METH (#PCDATA)> <!-- 1 = EnumCS field; 2 = PROFILE field (not yet generated) -->
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<!ELEMENT PREC (#PCDATA)> <!-- precedence must be 0 so far -->
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<!ELEMENT APPROX (#PCDATA)> <!-- colourspace approximation must be 0 so far -->
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<!ELEMENT EnumCS (#PCDATA)> <!-- Valid enumerated MJ2 colourspaces: 16 (sRGB), 17 (grey sRGB), 18 (YCC) -->
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<!-- Following subboxes are optional -->
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<!ELEMENT FieldCoding (FieldCount, FieldOrder)>
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<!ATTLIST FieldCoding BoxType CDATA #FIXED "fiel">
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<!ELEMENT FieldCount (#PCDATA)>
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<!-- Must be either 1 or 2 -->
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<!ELEMENT FieldOrder (#PCDATA)>
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<!-- When FieldCount=2, FieldOrder means: -->
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<!-- 0: Field coding unknown -->
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<!-- 1: Field with topmost line is stored first in sample; fields are in temporal order -->
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<!-- 6: Field with topmost line is stored second in sample; fields are in temporal order -->
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<!-- Defaults: FieldCount=1, FieldOrder=0 if FieldCoding box not present -->
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<!-- Current implementation doesn't retain whether box was actually present. -->
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<!ELEMENT MJP2_Profile (CompatibleBrand*)>
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<!ATTLIST MJP2_Profile BoxType CDATA #FIXED "jp2p">
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<!ATTLIST MJP2_Profile Count CDATA #REQUIRED>
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<!ELEMENT MJP2_Prefix (Data*)>
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<!ATTLIST MJP2_Prefix BoxType CDATA #FIXED "jp2x">
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<!ATTLIST MJP2_Prefix Count CDATA #REQUIRED>
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<!-- We'll probably need better formatting than this -->
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<!ELEMENT Data (#PCDATA)> <!-- Multiple. Each entry is single byte -->
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<!ELEMENT MJP2_SubSampling (HorizontalSub, VerticalSub, HorizontalOffset, VerticalOffset)>
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<!ATTLIST MJP2_SubSampling BoxType CDATA #FIXED "jsub">
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<!-- These values are all 1 byte -->
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<!-- Typical subsample value is 2 for 4:2:0 -->
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<!ELEMENT HorizontalSub (#PCDATA)>
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<!ELEMENT VerticalSub (#PCDATA)>
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<!ELEMENT HorizontalOffset (#PCDATA)>
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<!ELEMENT VerticalOffset (#PCDATA)>
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<!ELEMENT MJP2_OriginalFormat (OriginalFieldCount, OriginalFieldOrder)>
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<!ATTLIST MJP2_OriginalFormat BoxType CDATA #FIXED "orfo"> <!-- Part III Appx. 2 -->
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<!ELEMENT OriginalFieldCount (#PCDATA)>
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<!-- In original material before encoding. Must be either 1 or 2 -->
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<!ELEMENT OriginalFieldOrder (#PCDATA)>
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<!-- When FieldCount=2, FieldOrder means: -->
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<!-- 0: Field coding unknown -->
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<!-- 11: Topmost line came from the earlier field; -->
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<!-- 16: Topmost line came form the later field. -->
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<!-- Defaults: FieldCount=1, FieldOrder=0 if FieldCoding box not present -->
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<!-- Current implementation doesn't retain whether box was actually present. -->
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<!-- mj2_to_metadata's data structure doesn't record Audio and Hint sample data currently. -->
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<!-- Within SampleTable: -->
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<!ELEMENT TimeToSample (SampleStatistics, SampleEntries)>
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<!ATTLIST TimeToSample BoxType CDATA #FIXED "stts">
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<!ELEMENT SampleStatistics (TotalSamples)> <!-- Not part of standard -->
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<!ELEMENT TotalSamples (#PCDATA)>
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<!-- For video, gives the total frames in the track, by summing all entries in the Sample Table -->
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<!ELEMENT SampleEntries (Table*)>
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<!ATTLIST SampleEntries EntryCount CDATA #REQUIRED>
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<!ELEMENT Table EMPTY> <!-- Multiple. Attributes have values -->
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<!ATTLIST Table Entry CDATA #REQUIRED>
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<!ATTLIST Table SampleCount CDATA #REQUIRED>
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<!ATTLIST Table SampleDelta CDATA #REQUIRED>
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<!-- Within SampleTable: -->
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<!ELEMENT SampleToChunk (FirstChunk,SamplesPerChunk,SampleDescrIndex)>
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<!ATTLIST SampleToChunk BoxType CDATA #FIXED "stsc">
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<!ATTLIST SampleToChunk Count CDATA #REQUIRED>
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<!ELEMENT FirstChunk (#PCDATA)>
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<!ELEMENT SamplesPerChunk (#PCDATA)>
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<!ELEMENT SampleDescrIndex (#PCDATA)>
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<!ELEMENT SampleSize (Sample_Size,Sample_Count,EntrySize*)>
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<!ATTLIST SampleSize BoxType CDATA #FIXED "stsz">
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<!ELEMENT Sample_Size (#PCDATA)>
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<!ELEMENT Sample_Count (#PCDATA)>
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<!ELEMENT EntrySize (#PCDATA)> <!-- appears multiply, but only with mj2_to_metadata option -t -->
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<!ATTLIST EntrySize Num CDATA #REQUIRED>
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<!ELEMENT ChunkOffset (EntryCount, Chunk_Offset*)>
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<!ATTLIST ChunkOffset BoxType CDATA #FIXED "stco">
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<!ELEMENT EntryCount (#PCDATA)>
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<!ELEMENT Chunk_Offset (#PCDATA)> <!-- appears multiply, but only with mj2_to_metadata option -t -->
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<!ATTLIST Chunk_Offset Num CDATA #REQUIRED>
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<!-- </SampleTable> </MediaInfoContainer> </Media> -->
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<!-- TO DO: optional UserData 'udat', can contain multiple Copyright 'cprt' -->
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<!-- Optional, and only for Visual Track: given individual frame -->
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<!ELEMENT JP2_Frame (MainHeader, TilePartHeaders)>
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<!ATTLIST JP2_Frame Num CDATA #REQUIRED>
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<!ELEMENT MainHeader (StartOfCodestream,ImageAndFileSize,CodingStyleDefault,QuantizationDefault,QuantizationComponent*,RegionOfInterest?,ProgressionOrderChange*)>
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<!ELEMENT StartOfCodestream EMPTY>
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<!ATTLIST StartOfCodestream Marker CDATA #FIXED "SOC">
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<!ELEMENT ImageAndFileSize (Xsiz,Ysiz,XOsiz,YOsiz,XTsiz,YTsiz,XTOsiz,YTOsiz,Csiz,Component+)>
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<!ATTLIST ImageAndFileSize Marker CDATA #FIXED "SIZ">
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<!ELEMENT Xsiz (#PCDATA)>
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<!ELEMENT Ysiz (#PCDATA)> <!-- Xsiz, Ysiz is the size of the reference grid. -->
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<!ELEMENT XOsiz (#PCDATA)>
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<!ELEMENT YOsiz (#PCDATA)> <!-- XOsiz, YOsiz are offsets from grid origin to image origin. -->
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<!ELEMENT XTsiz (#PCDATA)>
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<!ELEMENT YTsiz (#PCDATA)> <!-- XTsiz, YTsiz is the size of one tile with respect to the grid. -->
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<!ELEMENT XTOsiz (#PCDATA)>
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<!ELEMENT YTOsiz (#PCDATA)> <!-- XTOsiz, YTOsiz are offsets from grid origin to first tile origin. -->
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<!ELEMENT Csiz (#PCDATA)> <!-- Csiz is the number of components in the image. -->
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<!-- For image components next -->
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<!ELEMENT Component (Ssiz,XRsiz,YRsiz,WidthOfData,HeightOfData)>
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<!ATTLIST Component Num CDATA #REQUIRED>
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<!ELEMENT Ssiz (AsHex | (AsHex,Signed,PrecisionInBits) | (Signed,PrecisionInBits))>
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<!-- Signed already defined -->
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<!ELEMENT PrecisionInBits (#PCDATA)> <!-- Bits per pixel (bpp) or pixel depth. -->
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<!ELEMENT XRsiz (#PCDATA)>
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<!ELEMENT YRsiz (#PCDATA)> <!-- XRsiz, YRsiz denote pixel-sample-spacing on the grid, per Part I Annex B. -->
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<!ELEMENT WidthOfData (#PCDATA)>
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<!ELEMENT HeightOfData (#PCDATA)> <!-- WidthOfData and HeightOfData are calculated values, e.g.: w = roundup((Xsiz - XOsiz)/ XRsiz) -->
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<!-- -->
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<!ELEMENT CodingStyleDefault (Scod,SGcod,SPcod)>
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<!ATTLIST CodingStyleDefault Marker CDATA #FIXED "COD">
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<!ELEMENT Scod (#PCDATA)>
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<!-- For Scod, specific bits mean (where bit 0 is lowest or rightmost): -->
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<!-- bit 0: Defines entropy coder precincts -->
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<!-- 0 = (PPx=15, PPy=15); 1 = precincts defined below. -->
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<!-- bit 1: 1 = SOP marker may be used; 0 = not. -->
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<!-- bit 2: 1 = EPH marker may be used; 0 = not. -->
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<!ELEMENT SGcod (ProgressionOrder,NumberOfLayers,MultipleComponentTransformation)>
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<!ELEMENT ProgressionOrder (#PCDATA)>
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<!-- Defined Progression Order Values are: -->
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<!-- 0 = LRCP; 1 = RLCP; 2 = RPCL; 3 = PCRL; 4 = CPRL -->
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<!-- where L = "layer", R = "resolution level", C = "component", P = "position". -->
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<!ELEMENT NumberOfLayers (#PCDATA)>
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<!ELEMENT MultipleComponentTransformation (#PCDATA)>
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<!-- For MCT, 0 = none, 1 = transform first 3 components for efficiency, per Part I Annex G -->
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<!ELEMENT SPcod (NumberOfDecompositionLevels,CodeblockWidth,CodeblockHeight,CodeblockStyle,Transformation)>
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<!ELEMENT NumberOfDecompositionLevels (#PCDATA)>
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<!ELEMENT CodeblockWidth (#PCDATA)> <!-- CBW and CBH are non-negative, and summed cannot exceed 8 -->
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<!ELEMENT CodeblockHeight (#PCDATA)> <!-- Codeblock dimension is 2^(value + 2) -->
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<!ELEMENT CodeblockStyle (#PCDATA)>
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<!-- For CodeblockStyle, bits mean (with value 1=feature on, 0=off): -->
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<!-- bit 0: Selective arithmetic coding bypass. -->
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<!-- bit 1: Reset context probabilities on coding pass boundaries. -->
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<!-- bit 2: Termination on each coding pass. -->
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<!-- bit 3: Vertically causal context. -->
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<!-- bit 4: Predictable termination. -->
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<!-- bit 5: Segmentation symbols are used. -->
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<!ELEMENT Transformation (#PCDATA)> <!-- For Transformation, 0="9-7 irreversible filter", 1="5-3 reversible filter" -->
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<!-- mj2_to_metadata implementation always reports component[0] as using default COD, -->
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<!-- and any other component, with main-header style values different from [0], as COC. -->
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<!ELEMENT QuantizationDefault (Sqcd,SPqcd)>
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<!ATTLIST QuantizationDefault Marker CDATA #FIXED "QCD">
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<!ELEMENT Sqcd (AsHex | (AsHex,QuantizationStyle,NumberOfGuardBits) | (QuantizationStyle,NumberOfGuardBits))>
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<!ELEMENT QuantizationStyle (#PCDATA)> <!-- Default quantization style for all components. -->
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<!-- Quantization style (in Sqcd's low 5 bits) may be: -->
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<!-- 0 = No quantization. SPqcd size = 8 bits-->
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<!-- 1 = Scalar derived (values signaled for N(L)LL subband only). Use Eq. E.5. SPqcd size = 16. -->
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|
<!-- 2 = Scalar expounded (values signaled for each subband). SPqcd size = 16. -->
|
|
<!ELEMENT NumberOfGuardBits (#PCDATA)> <!-- 0-7 guard bits allowed (stored in Sqcd's high 3 bits) -->
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|
<!ELEMENT SPqcd (ReversibleStepSizeValue | QuantizationStepSizeValues )> <!-- TO DO: Irreversible choices -->
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|
<!ELEMENT ReversibleStepSizeValue (DynamicRangeExponent+)>
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|
<!-- Current mj2_to_metadata implementation dumps entire internal table, -->
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|
<!-- until an exponent with zero value is reached. -->
|
|
<!-- Exponent epsilon(b) of reversible dynamic range. -->
|
|
<!-- Hex value is as stored, in high-order 5 bits. -->
|
|
<!ELEMENT DynamicRangeExponent (AsHex | (AsHex, AsDecimal) | AsDecimal)>
|
|
<!ATTLIST DynamicRangeExponent Subband CDATA #REQUIRED>
|
|
<!ELEMENT QuantizationStepSizeValues (QuantizationValues+, CalculatedExponent*)> <!-- Calculated exponents iff only subband 0 reported -->
|
|
<!ELEMENT QuantizationValues (AsHex | (AsHex,Exponent,Mantissa) | (Exponent,Mantissa))>
|
|
<!ATTLIST QuantizationValues Subband CDATA #REQUIRED>
|
|
<!ELEMENT Exponent (#PCDATA)>
|
|
<!ELEMENT Mantissa (#PCDATA)>
|
|
<!ELEMENT CalculatedExponent (#PCDATA)>
|
|
<!ATTLIST CalculatedExponent Subband CDATA #REQUIRED>
|
|
<!-- /QuantizationDefault -->
|
|
<!-- mj2_to_metadata implementation always reports component[0] as using default QCD, -->
|
|
<!-- and any other component, with main-header quantization values different from [0], as QCC. -->
|
|
<!ELEMENT QuantizationComponent (Sqcc,SPqcc)>
|
|
<!ATTLIST QuantizationComponent Marker CDATA #FIXED "QCC">
|
|
<!ATTLIST QuantizationComponent Component CDATA #REQUIRED>
|
|
<!ELEMENT Sqcc (AsHex | (AsHex,QuantizationStyle,NumberOfGuardBits) | (QuantizationStyle,NumberOfGuardBits))>
|
|
<!ELEMENT SPqcc (ReversibleStepSizeValue | QuantizationStepSizeValues )> <!-- TO DO: Irreversible choices -->
|
|
<!-- /QuantizationComponent -->
|
|
<!-- Don't know if MJ2 files can have regions of interest. Assume yes -->
|
|
<!ELEMENT RegionOfInterest (Srgn,Crgn,Sprgn)> <!-- Optional in main header, at most 1 per component -->
|
|
<!ATTLIST RegionOfInterest Marker CDATA #FIXED "RGN">
|
|
<!ELEMENT Srgn (#PCDATA)> <!-- ROI style. Only style=0 defined: Implicit ROI (max. shift) -->
|
|
<!ELEMENT Crgn (#PCDATA)> <!-- Zero-based component number. -->
|
|
<!ELEMENT SPrgn (#PCDATA)> <!-- Implicit ROI shift, i.e., binary shifting of ROI coefficients above background. -->
|
|
<!-- </RegionOfInterest> -->
|
|
<!ELEMENT ProgressionOrderChange (Progression+)> <!-- Optional in main header, at most 1 per component (but impl allows more?) -->
|
|
<!ATTLIST ProgressionOrderChange Marker CDATA #REQUIRED>
|
|
<!ELEMENT Progression (RSpoc,CSpoc,LYEpoc,REpoc,CEpoc,Ppoc)>
|
|
<!ATTLIST Progression Num CDATA #REQUIRED>
|
|
<!ELEMENT RSpoc (#PCDATA)> <!-- Resolution level index (inclusive) for progression start. Range: 0 to 33 -->
|
|
<!ELEMENT CSpoc (#PCDATA)> <!-- Component index (inclusive) for progression start. -->
|
|
<!ELEMENT LYEpoc (#PCDATA)> <!-- Layer index (exclusive) for progression end. -->
|
|
<!ELEMENT REpoc (#PCDATA)> <!-- Resolution level index (exclusive) for progression end. Range: RSpoc to 33 -->
|
|
<!ELEMENT CEpoc (#PCDATA)> <!-- Component index (exclusive) for progression end. Minimum: CSpoc -->
|
|
<!ELEMENT Ppoc (#PCDATA)> <!-- Defined Progression Order Values are: -->
|
|
<!-- 0 = LRCP; 1 = RLCP; 2 = RPCL; 3 = PCRL; 4 = CPRL -->
|
|
<!-- where L = "layer", R = "resolution level", C = "component", P = "position". -->
|
|
<!-- </Progression>, </ProgressionOrderChange -->
|
|
<!-- /MainHeader -->
|
|
<!ELEMENT TilePartHeaders (TilePartHeader+)>
|
|
<!ATTLIST TilePartHeaders Count CDATA #REQUIRED>
|
|
<!ELEMENT TilePartHeader (StartOfTilePart,CodingStyleDefault,QuantizationDefault,QuantizationComponent*,RegionOfInterest?,ProgressionOrderChange*,StartOfData)>
|
|
<!ATTLIST TilePartHeader Num CDATA #REQUIRED>
|
|
<!ATTLIST TilePartHeader ID CDATA #REQUIRED>
|
|
<!ELEMENT StartOfTilePart EMPTY>
|
|
<!ATTLIST StartOfTilePart Marker CDATA #FIXED "SOT">
|
|
<!-- CodingStyleDefault, QuantizationDefault, QuantizationComponent already defined -->
|
|
<!-- mj2_to_metadata implementation always reports component[0] as using default QCD, -->
|
|
<!-- and any other component, with tile-part-header quantization values different from [0], as QCC. -->
|
|
<!ELEMENT StartOfData EMPTY> <!-- always empty for now -->
|
|
<!ATTLIST StartOfData Marker CDATA #FIXED "SOD">
|
|
<!-- Tile-part bitstream, not shown, follows tile-part header and SOD marker. -->
|
|
<!-- /TilePartHeader, /TilePartHeaders, /JP2_Frame -->
|
|
<!-- </Track> -->
|
|
|
|
<!-- to come:
|
|
<MovieExtends mvek> // possibly not in Simple Profile
|
|
<UserDataBox udat> contains <CopyrightBox cprt>
|
|
-->
|
|
<!-- /MovieBox -->
|
|
<!-- To come:
|
|
<mdat>
|
|
<moof> // probably not in Simple Profile
|
|
<free>
|
|
<skip>
|
|
-->
|
|
<!-- </MJ2_File> --> |