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

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MetadataLocation MetadataLocation MetadataMany systems have the ability to detect or establish their position in a coordinate reference system. Thespecification “ISO 6709:2008 Standard representation of geographic point location by coordinates” describesone way of storing such information. One of the common systems is the Global Positioning System (GPS)developed by the US Department of Defense. Other systems include the ability of some cellular telephonesystems to triangulate the position of cell-phones, and the possibility that IEEE 802.11 Wireless Base Stationsare tagged with their position (whereupon mobile units that can ‘see’ their signal can establish that they areprobably ‘near’ that location).This support is increasingly common in still and movie cameras, or composite devices (such as camera-phones)that can function as cameras.Apple has defined a key for storing the location coordinates as metadata, as well as several auxiliary pieces ofinformation about a location. For all the location metadata keys defined in this specification, the Metadataatom handler-type should be ‘mdta’. See the com.apple.quicktime.location.ISO6709 entry in the followingtable for a description of the main location metadata key, and the additional table describing auxiliary locationmetadata keys.QuickTime Metadata KeysQuickTime has defined the keys shown in Table 3-6 (page 144) for holding data in a Metadata atom:Table 3-6Metadata keysKeyKeyTypeValue PayloadDefinitionExamplecom.apple.quicktime.album'mdta’A UTF-8 string(value type 1).Can havemultiplevalues withdifferentlanguage andcountry codedesignations.Album orcollectionname ofwhich themoviecontentforms a part.Technical documentsperformed to blues tunesVolume 1.2012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.144
MetadataQuickTime Metadata KeysKeyKeyTypeValue PayloadDefinitionExamplecom.apple.quicktime.artist'mdta’A UTF-8 string(value type 1).Can havemultiplevalues withdifferentlanguage andcountry codedesignations.Name of theartist whocreated themovie filecontent.Grandma Doe and the SpecWriters.com.apple.quicktime.artwork'mdta’Anrepresentativeimage for themovie contentin a formatsuch as JPEG(value type13), PNG(value type 14)or BMP (valuetype 27). Thismight bealbumartwork, amovie poster,etc.A singleimage thatcanrepresentthe moviefile content.(a picture of the cover art)com.apple.quicktime.author'mdta’A UTF-8 string(value type 1).Can havemultiplevalues withdifferentlanguage andcountry codedesignations.Name of theauthor of themovie filecontent.Technical writer (anonymou2012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.145
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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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Page 98 and 99: Movie AtomsSample AtomsFigure 2-33
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Page 102 and 103: Movie AtomsSample AtomsSizeA 32-bit
Page 104 and 105: Movie AtomsSample AtomsNote At the
Page 106 and 107: Movie AtomsSample AtomsSizeA 32-bit
Page 108 and 109: Movie AtomsSample AtomsVersionA 1-b
Page 114 and 115: Movie AtomsSample AtomsNote The sam
Page 116 and 117: Movie AtomsSample AtomsSample depen
Page 118 and 119: Movie AtomsCompressed Movie Resourc
Page 120 and 121: Movie AtomsReference MoviesApplicat
Page 122 and 123: Movie AtomsReference MoviesData ref
Page 124 and 125: Movie AtomsReference MoviesCPU Spee
Page 126 and 127: Movie AtomsReference MoviesFlagsA 3
Page 128 and 129: MetadataThis chapter describes how
Page 130 and 131: MetadataMetadata StructureFigure 3-
Page 132 and 133: MetadataExtensibilityTypeA 32-bit u
Page 134 and 135: MetadataLanguage List AtomField Siz
Page 136 and 137: MetadataMetadata Item Keys AtomThis
Page 138 and 139: MetadataMetadata Item AtomFigure 3-
Page 140 and 141: MetadataLocale IndicatorValueotherw
Page 142 and 143: MetadataData Atom StructureNameAn a
Page 146 and 147: MetadataQuickTime Metadata KeysKeyK
Page 154 and 155: Media Data Atom TypesQuickTime uses
Page 156 and 157: Media Data Atom TypesVideo MediaCom
Page 158 and 159: Media Data Atom TypesVideo MediaCol
Page 160 and 161: Media Data Atom TypesVideo MediaDes
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Page 164 and 165: Media Data Atom TypesVideo MediaSch
Page 166 and 167: Media Data Atom TypesVideo MediaTab
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Page 176 and 177: Media Data Atom TypesSound MediaSou
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Page 190 and 191: 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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Media Data Atom TypesVR Media} QTVR
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Media Data Atom TypesVR MediaUInt32
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Media Data Atom TypesVR Mediareserv
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Media Data Atom TypesCustom Cursor
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Media Data Atom TypesNode Informati
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Media Data Atom TypesQuickTime VR F
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Media Data Atom TypesQuickTime VR F
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Media Data Atom TypesQTVR TrackImpo
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Media Data Atom TypesPanorama Track
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Media Data Atom TypesCubic Panorama
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Media Data Atom TypesHot Spot Image
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Media Data Atom TypesObject TracksT
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Media Data Atom TypesObject Tracksd
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Media Data Atom TypesObject Tracksk
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Media Data Atom TypesObject Tracksk
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Media Data Atom TypesMovie MediaFor
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Media Data Atom TypesMovie MediaNot
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Media Data Atom TypesMovie MediakMo
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Basic Data TypesThis chapter descri
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Basic Data TypesLanguage Code Value
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Basic Data TypesCalendar Date and T
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Basic Data TypesRGB ColorsTable 5-3
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Some Useful Examples and ScenariosT
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Some Useful Examples and ScenariosC
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Some Useful Examples and ScenariosP
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Some Useful Examples and ScenariosA
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Some Useful Examples and ScenariosR
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Some Useful Examples and ScenariosG
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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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