Quicktime File Format (2012-08-14).pdf

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Basic Data TypesThis chapter describes a number of common data types that are used in QuickTime files.Language Code ValuesSome elements of a QuickTime file may be associated with a particular spoken language. To indicate thelanguage associated with a particular object, the QuickTime file format uses either language codes from theMacintosh Script Manager or ISO language codes (as specified in ISO 639-2/T ).QuickTime stores language codes as unsigned 16-bit fields. All Macintosh language codes have a value that isless than 0x400 except for the single value 0x7FFF indicating an unspecified language. ISO language codesare three-character codes, and are stored inside the 16-bit language code field as packed arrays, as describedin “ISO Language Codes” (page 319). If treated as an unsigned 16-bit integer, an ISO language code always hasa value of 0x400 or greater unless the code is equal to the value 0x7FFF indicating an Unspecified Macintoshlanguage code.If the language is specified using a Macintosh language code, any associated text uses Macintosh text encoding.If the language is specified using an ISO language code, any associated text uses Unicode text encoding. WhenUnicode is used, the text is in UTF-8 unless it starts with a byte-order-mark (BOM, 0xFEFF. ), whereupon thetext is in UTF-16. Both the BOM and the UTF-16 text should be big-endian.2012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.316
Basic Data TypesLanguage Code ValuesNote ISO language codes cannot be used for all elements of a QuickTime file. Currently, ISO languagecodes can be used only for user data text . All other elements, including text tracks, must be specifiedusing Macintosh language codes.Note ISO 639-2/T codes do not distinguish between certain language variations. Use an extendedlanguage tag atom ('elng') to make these distinctions. For example, ISO 639-2T does not distinguishbetween traditional and simplified Chinese, so also use 'elng' with the value "zh-Hant" or "zh-Hans",respectively. See “Extended Language Tag Atom” (page 82).Macintosh Language CodesTable 5-1 (page 317) lists some of the Macintosh language codes supported by QuickTime.Table 5-1QuickTime language code valuesLanguageValueLanguageValueEnglish0Georgian52French1Moldavian53German2Kirghiz54Italian3Tajiki55Dutch4Turkmen56Swedish5Mongolian57Spanish6MongolianCyr58Danish7Pashto59Portuguese8Kurdish60Norwegian9Kashmiri61Hebrew10Sindhi62Japanese11Tibetan63Arabic12Nepali64Finnish13Sanskrit652012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.317
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QuickTime File FormatSpecification
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ContentsReference Movie Atom 120Ref
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ContentsSprite Track Property Atoms
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ContentsSome Useful Examples and Sc
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ContentsAudio Sample Rate for a Sam
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Figures, Tables, and ListingsFigure
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Figures, Tables, and ListingsFigure
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Figures, Tables, and ListingsTable
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Introduction to QuickTime File Form
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Overview of QTFFQuickTime movies ar
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Overview of QTFFAtomsAtom LayoutFig
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Overview of QTFFQT Atoms and Atom C
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Overview of QTFFQuickTime Movie Fil
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Movie AtomsOverview of Movie AtomsO
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Movie AtomsOverview of Movie AtomsN
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Movie AtomsOverview of Movie AtomsC
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Movie AtomsOverview of Movie AtomsF
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Movie AtomsOverview of Movie AtomsS
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Movie AtomsOverview of Movie AtomsF
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Movie AtomsOverview of Movie AtomsL
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Movie AtomsOverview of Movie AtomsA
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Movie AtomsTrack AtomsPrint to Vide
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Movie AtomsTrack AtomsNote Figure 2
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Movie AtomsTrack AtomsFigure 2-7 (p
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Movie AtomsTrack AtomsAlternate gro
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Movie AtomsTrack AtomsAlthough the
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Movie AtomsTrack AtomsFigure 2-10 (
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Movie AtomsTrack AtomsRegion sizeTh
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Movie AtomsTrack AtomsNote If the e
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Movie AtomsTrack AtomsTrack Input M
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Movie AtomsTrack AtomsInput typeA 3
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Movie AtomsMedia AtomsMedia atoms c
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Movie AtomsMedia AtomsTime scaleA t
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Movie AtomsMedia AtomsHandler Refer
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Movie AtomsMedia AtomsNote “Using
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Movie AtomsMedia AtomsOpcolorThree
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Movie AtomsMedia AtomsMedia types t
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Movie AtomsMedia AtomsFlagsA 3-byte
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Movie AtomsMedia AtomsData referenc
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Movie AtomsSample AtomsSamples are
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Movie AtomsSample AtomsFigure 2-33
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Movie AtomsSample AtomsThe sample d
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Movie AtomsSample AtomsSizeA 32-bit
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Movie AtomsSample AtomsNote At the
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Movie AtomsSample AtomsSizeA 32-bit
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Movie AtomsSample AtomsVersionA 1-b
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Movie AtomsSample AtomsNote The sam
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Movie AtomsSample AtomsSample depen
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Movie AtomsCompressed Movie Resourc
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Movie AtomsReference MoviesApplicat
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Movie AtomsReference MoviesData ref
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Movie AtomsReference MoviesCPU Spee
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Movie AtomsReference MoviesFlagsA 3
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MetadataThis chapter describes how
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MetadataMetadata StructureFigure 3-
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MetadataExtensibilityTypeA 32-bit u
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MetadataLanguage List AtomField Siz
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MetadataMetadata Item Keys AtomThis
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MetadataMetadata Item AtomFigure 3-
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MetadataLocale IndicatorValueotherw
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MetadataData Atom StructureNameAn a
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MetadataLocation MetadataLocation M
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MetadataQuickTime Metadata KeysKeyK
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Media Data Atom TypesQuickTime uses
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Media Data Atom TypesVideo MediaCom
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Media Data Atom TypesVideo MediaCol
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Media Data Atom TypesVideo MediaDes
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Media Data Atom TypesVideo MediaThe
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Media Data Atom TypesVideo MediaSch
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Media Data Atom TypesVideo MediaTab
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Media Data Atom TypesVideo MediaNot
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Media Data Atom TypesSound MediaSou
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Media Data Atom TypesSound MediaThe
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Media Data Atom TypesSound Mediaaud
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Media Data Atom TypesSound MediaTyp
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Media Data Atom TypesSound MediaThe
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Media Data Atom TypesTimecode Media
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Media Data Atom TypesTimecode Media
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Media Data Atom TypesText MediaDisp
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Media Data Atom TypesText MediaFore
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Media Data Atom TypesClosed Caption
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Media Data Atom TypesSubtitle Media
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Media Data Atom TypesMusic Media●
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Media Data Atom TypesSprite MediaSp
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Media Data Atom TypesSprite Track P
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Media Data Atom TypesSprite Track M
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Media Data Atom TypesSprite Track M
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Media Data Atom TypesSprite Media A
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Media Data Atom TypesSprite Media A
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Media Data Atom TypesSprite Button
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Media Data Atom TypesSprite Media H
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Media Data Atom TypesSprite Media H
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Media Data Atom TypesWired Action G
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Media Data Atom TypesFlash MediakAc
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Media Data Atom TypesTween MediaTwe
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Media Data Atom TypesTween Media●
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Media Data Atom TypesTween MediakTw
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Media Data Atom TypesTween MediaTwe
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Media Data Atom TypesTrack Referenc
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Media Data Atom TypesStreaming Medi
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Media Data Atom TypesHint Media●
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Media Data Atom TypesHint MediaMovi
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Media Data Atom TypesHint Sample Da
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Media Data Atom TypesHint Sample Da
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Media Data Atom TypesPacketization
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Page 268 and 269: Media Data Atom TypesVR Media} QTVR
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Some Useful Examples and ScenariosO
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Some Useful Examples and ScenariosO
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QuickTime Image File FormatNote The
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QuickTime Image File FormatRecommen
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Defining Media Data LayoutsUsing Qu
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Random AccessSeeking With a QuickTi
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Metadata HandlingDigital Audio File
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Metadata HandlingStill Image File F
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Summary of VR World and Node Atom T
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Profile Atom GuidelinesProfile Atom
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Profile Atom GuidelinesProfile Atom
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Profile Atom GuidelinesUniversal Fe
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Audio Priming - Handling Encoder De
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Document Revision HistoryDate2011-0
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GlossaryAAC Advanced Audio Coding (
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Glossaryfile preview A thumbnail pi
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Glossarymedia’s data. The data ha
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GlossaryPCM Pulse-code modulation (
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Glossarytrack A Movie Toolbox data
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Apple Inc.© 2004, 2012 Apple Inc.A
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