DCI Specs - Digital Cinema Initiatives

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NOTICEDigital Cinema Initiatives, LLC (DCI) is the author and creator of this specification for the purposeof copyright and other laws in all countries throughout the world. The DCI copyright notice must beincluded in all reproductions, whether in whole or in part, and may not be deleted or attributed to others.DCI hereby grants to its members and their suppliers a limited license to reproduce this specification fortheir own use, provided it is not sold. Others should obtain permission to reproduce this specification fromDigital Cinema Initiatives, LLC.This document is a specification developed and adopted by Digital Cinema Initiatives, LLC. Thisdocument may be revised by DCI. It is intended solely as a guide for companies interested in developingproducts, which can be compatible with other products, developed using this document. Each DCImember company shall decide independently the extent to which it will utilize, or require adherence to,these specifications. DCI shall not be liable for any exemplary, incidental, proximate or consequentialdamages or expenses arising from the use of this document. This document defines only one approach tocompatibility, and other approaches may be available to the industry.This document is an authorized and approved publication of DCI. Only DCI has the right andauthority to revise or change the material contained in this document, and any revisions by any partyother than DCI are unauthorized and prohibited.Compliance with this document may require use of one or more features covered by proprietaryrights (such as features which are the subject of a patent, patent application, copyright, mask work rightor trade secret right). By publication of this document, no position is taken by DCI with respect to thevalidity or infringement of any patent or other proprietary right. DCI hereby expressly disclaims any liabilityfor infringement of intellectual property rights of others by virtue of the use of this document. DCI has notand does not investigate any notices or allegations of infringement prompted by publication of any DCIdocument, nor does DCI undertake a duty to advise users or potential users of DCI documents of suchnotices or allegations. DCI hereby expressly advises all users or potential users of this document toinvestigate and analyze any potential infringement situation, seek the advice of intellectual propertycounsel, and, if indicated, obtain a license under any applicable intellectual property right or take thenecessary steps to avoid infringement of any intellectual property right. DCI expressly disclaims any intentto promote infringement of any intellectual property right by virtue of the evolution, adoption, or publicationof this document.DCI Digital Cinema System Specification v.1.2 Page 2
Table of Contents1. OVERVIEW 151.1. Introduction ...................................................................................................................151.2. Scope ............................................................................................................................. 151.3. Document Language..................................................................................................... 161.4. System Objectives ........................................................................................................ 172. SYSTEM OVERVIEW 192.1. Functional Framework.................................................................................................. 192.1.1. Major System Concepts....................................................................................... 222.1.1.1. Digital Source Master (DSM)......................................................................... 222.1.1.2. Composition................................................................................................... 222.1.1.3. Digital Cinema Distribution Master (DCDM) .................................................. 222.1.1.4. Digital Cinema Package (DCP) ..................................................................... 222.1.1.5. Hierarchical Image Structure ......................................................................... 232.1.1.6. File / Frame-Based System ........................................................................... 232.1.1.7. Store and Forward......................................................................................... 232.1.1.8. Reels ............................................................................................................. 242.1.1.9. Component Design........................................................................................ 242.1.1.10. Storage and Media Block .............................................................................. 243. DIGITAL CINEMA DISTRIBUTION MASTER 253.1. Overview ........................................................................................................................253.1.1. Introduction .......................................................................................................... 253.1.2. DCDM System Overview...................................................................................... 253.1.3. Major DCDM Concepts......................................................................................... 253.1.4. DCDM Fundamental Requirements .................................................................... 263.1.4.1. Common File Formats ................................................................................... 263.1.4.2. Frame Rates.................................................................................................. 263.1.4.3. Synchronization ............................................................................................. 263.2. Image Specification ...................................................................................................... 263.2.1. Image Concepts and Requirements ................................................................... 263.2.1.1. Introduction.................................................................................................... 263.2.1.2. Image Structure ............................................................................................. 263.2.1.3. Center of Image............................................................................................. 273.2.1.4. Colorimetry .................................................................................................... 273.2.1.5. Encoding Primaries ....................................................................................... 273.2.1.6. Transfer Function .......................................................................................... 283.2.1.7. Bit Depth........................................................................................................ 283.2.1.8. Aspect Ratio .................................................................................................. 283.2.2. DCDM Image File Format..................................................................................... 293.2.2.1. Introduction.................................................................................................... 293.2.2.2. File Mapping .................................................................................................. 293.2.2.3. Synchronization ............................................................................................. 29DCI Digital Cinema System Specification v.1.2 Page 3
Page 1: Digital Cinema Initiatives, LLCDigi
Page 5 and 6: 5.2.2. Packaging Fundamental Requir
Page 8 and 9: 7.5.5.1. Introduction..............
Page 10 and 11: 9.4.2.5. Screen Management System (
Page 12 and 13: Table of FiguresFigure 1: System Ov
Page 14 and 15: THIS PAGE LEFT BLANK INTENTIONALLYD
Page 16 and 17: equirements for encrypting the esse
Page 18 and 19: • This document specifies a basel
Page 20 and 21: DCI Digital Cinema System Specifica
Page 22 and 23: 2.1.1. Major System Concepts2.1.1.1
Page 24 and 25: 2.1.1.8. ReelsFeature films have be
Page 26 and 27: Metadata within the DCDM provides a
Page 28 and 29: 3.2.1.6. Transfer FunctionThe CIE X
Page 30 and 31: The information, as shown in Table
Page 32 and 33: AES Pair#/Ch# Channel # Label / Nam
Page 34 and 35: 3.3.4. File Format3.3.4.1. GeneralT
Page 36 and 37: 3.4.3. Timed Text Concepts and Requ
Page 40 and 41: • All decoders shall decode each
Page 44 and 45: 5.2.2.3. InteroperableThe Packaging
Page 46 and 47: Figure 6: Example Show PlaylistThe
Page 48 and 49: Length (Value Length), followed by
Page 50 and 51: which it was stopped or paused. It
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5.3.4.2. Frame BoundariesThe Audio
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• Rating• Aspect Ratio• Image
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• Annotation Text parameter (opti
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7.2.3.1. ReliabilityA key part of t
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• Country• Rating• Aspect Rat
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facility, while the system is in op
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Exhibitor and the Distributor, data
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7.5.2.2. Ingest InterfacesExcept fo
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(channels) * hours * 60 min/hour *
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7.5.4.2.4. UnpackagingAny packaged
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7.5.6. Audio System7.5.6.1. Introdu
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made up of Theater System devices a
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DCI Digital Cinema System Specifica
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8.2.2.3. Alternative ContentThe pro
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With the projector turned off or wi
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Image ParametersNominal(Projected I
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Input Code Values Output Chromatici
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8.4. Projector Interfaces8.4.1. Int
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• Lens Shift Up / Down• Lamp Mo
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• Essence Encryption and Cryptogr
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content keys and Trusted Device Lis
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Figure 14: Digital Cinema Security
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Figure 15 presents the two fundamen
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DCI Digital Cinema System Specifica
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9.4.2.3. Media Blocks (MBs)The term
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which TLS-based authentication alon
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working with the security infrastru
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Figure 18: Show Playback Overview9.
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a. Playout shall be fully supported
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9.4.5. Intra-Theater Communications
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4. Projector SPB designs shall not
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the event, and zero all Critical Se
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window) shall be UTC.Security Manag
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. The SM shall independently authen
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6. No broadcast RRP commands shall
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Functions of the Security Manager (
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Note: DCI reserves the right, at so
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• Is required to survive camcorde
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• Log Data - Security event infor
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using the GetEventList and GetEvent
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failure) per Section 9.6.1.3 Digita
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• Secure Silicon -Sensitive data
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secure silicon chip, input/output s
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FIPS 140-2 level 3 devices provide
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to the appropriate Section 9.4.5.2.
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those under the control of the Secu
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Security Managers (SMs) other than
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The above RSA asymmetric protection
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CPRL Acronym for Component Position
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LTCMain TitlesMBMDMEMetadataMTBFMXF
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TDLTimed TextTLMTLSTMSTrack FileUDP
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