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

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Some Useful Examples and ScenariosCreating a Timecode Track for 29.97 FPS VideoCreating a Timecode Track for 29.97 FPS VideoA timecode track specifies timecode information for other tracks. The timecode keeps track of the time codesof the original source of the video and audio. After a movie has been edited, the timecode can be extractedto determine the source tape and the time codes of the frames.It is important that the timecode track have the same time scale as the video track. Otherwise, the timecodewill not tick at the exact same time as the video track.For each contiguous source tape segment, there is a single timecode sample that specifies the timecode valuecorresponding to the start of the segment. From this sample, the timecode value can be determined for anypoint in the segment.The sample description for a timecode track specifies the timecode system being used (for example, a 30-fpsdrop frame) and the source information. Each sample is a timecode value.Since the timecode media handler is a derived from the base media handler, the media information atom startswith a generic media header atom. The timecode atoms would contain the following data values:Atom sizeAtom type77'gmhd'Atom sizeAtom typeVersion/FlagsGraphics modeOpcolor (red)Opcolor (green)Opcolor (blue)BalanceReservedAtom sizeAtom type69'gmin'00x00400x80000x80000x80000045'tmcd'Atom size372012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.352
Some Useful Examples and ScenariosCreating a Timecode Track for 29.97 FPS VideoAtom typeVersion/FlagsText fontText faceText sizeText color (red)Text color (green)Text color (blue)Background color (red)Background color (green)Background color (blue)Font name'tcmi'00 (system font)0 (plain)12000000'\pChicago' (Pascal string)The sample table atom contains all the standard sample atoms and has the following data values:AtomsizeAtomtype174'stbl' (sample table)Atom sizeAtom typeVersion/FlagsNumber of entriesSample description size [1]Data format [1]Reserved [1]Data reference index [1]74'stsd' (sample description)0158'tmcd'012012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.353
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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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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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Page 316 and 317: Basic Data TypesThis chapter descri
Page 318 and 319: Basic Data TypesLanguage Code Value
Page 320 and 321: Basic Data TypesCalendar Date and T
Page 322 and 323: Basic Data TypesRGB ColorsTable 5-3
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Page 370 and 371: QuickTime Image File FormatNote The
Page 372 and 373: QuickTime Image File FormatRecommen
Page 374 and 375: Defining Media Data LayoutsUsing Qu
Page 376 and 377: Random AccessSeeking With a QuickTi
Page 378 and 379: Metadata HandlingDigital Audio File
Page 380 and 381: Metadata HandlingStill Image File F
Page 382 and 383: Summary of VR World and Node Atom T
Page 394 and 395: 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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