SMPTE RDD 22-2012 Film Transfer 2048x1556 Image Container and Signal Interface.pdf
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1、Copyright 2012 by THE SOCIETY OFMOTION PICTURE AND TELEVISION ENGINEERS3 Barker Avenue, White Plains, NY 10601(914) 761-1100Approved March 12, 2012Film Transfer 2048x1556 Image Containerand Signal InterfacePage 1 of 56 pagesThe attached document is a Proposed Registered Disclosure Document prepared
2、by the proponent identifiedbelow. It has been examined by the appropriate SMPTE Technology Committee and is believed to containadequate information to satisfy the objectives defined in the Scope, and to be technically consistent.This document is NOT a Standard, Recommended Practice or Engineering Gu
3、ideline, and does NOT imply afinding or representation of the Society.Errors in this document should be reported to the proponent identified below, with a copy to engsmpte.org.All other inquiries in respect of this document, including inquiries as to intellectual property requirements thatmay be att
4、ached to use of the disclosed technology, should be addressed to the proponent identified below.Proponent contact information:Tadashi Okano,Sony Corporation,4-14-1 Asahi-cho, AtsugiKanagawa, 243-0014JapanEmail: SMPTE RDD 22:2012SMPTE REGISTEREDDISCLOSURE DOCUMENTSMPTE RDD 22:2012Page 2 of 56 pagesTa
5、ble of Contents PageIntroduction 41 General. 42 Source Image Format . 42.1 F-S Colorimetry 52.1.1 Encoding Primaries Free Scale Gamut (FS-Gamut) 52.1.2 FS-Log curve 62.1.3 Notation of parameter values 82.1.4 Color Ancillary Data 92.2 RGB/Y,CR,CBColorimetry 92.3 Image Pixel Array Representation. 92.3
6、.1 FS-Log Pixel Array Representation . 92.3.2 RGB Pixel Array Representation. 93 Transport Image Container Parameters. 94 Virtual Interface data values and Structure 105 Serial Interface Characteristics 105.1 Timing Reference Signal Data Structure . 135.2 Channel Coding 145.3 Coaxial Cable Interface
7、 155.3.1 Signal Levels and Specifications. 155.4 Connector and Cable Types . 176 Dual Link Image Data Mapping . 177 3 Gb/s Single-Link Mapping 208 Audio. . 208.1 Structure of Audio Data Packet. 248.2 Structure of User Data Words (UDW) . 258.2.1 CLK (audio clock phase data) . 258.2.2 ECC (Error corre
8、ction codes) 298.3 Multiplexing of Audio Data Packet. 308.3.1 Audio Control Packet 308.3.2 Structure of User Data Words (UDW) 318.3.3 Multiplexing of the Audio Control Packets . 359 Time Code 359.1 25 Frame Operation . 359.2 24, 24/1.001 Frame Operation 359.3 Linear Time Code (LTC) Structure 359.3.1
9、 Codeword format 359.3.2 Codeword data content. 359.3.3 Flag bits 359.3.4 Timing of the codeword relative to the image 35SMPTE RDD 22:2012Page 3 of 56 pages9.4 Vertical Interval Timecode (VITC)369.4.1 Codeword format.369.4.2 Codeword data content .369.4.3 Time address 369.4.4 Flag bits 369.4.5 Binar
10、y groups 369.4.6 Interface-Field flag.369.5 Format of Ancillary Time Code Packets .389.6 Ancillary Time Code Packet Layout .389.7 Format of User Data Words in Ancillary Time Code Packet399.7.1 Bit Assignments within the UDW.399.8 Distributed Binary Bits (DBB).399.8.1 DBB1 Payload Type .399.8.2 Mappi
11、ng of the Time Code Data into Ancillary Data Packets409.8.3 Transmission of ancillary time code packets 429.8.4 ATC Packet Transmission Rate.439.8.5 Ancillary Time Code Packet Location.4310 Payload Identifier.4310.1 Ancillary Data Specification .4311 Color ANC Data Packet .4811.1 Structure of Color
12、ANC4811.2 Color ANC Packet UDW 4811.2.1 ACT1 Color Primary and Reference White Parameter4811.2.2 ACT2 Nonlinear Equation Specifier4911.3 RFS, GFS, BFS, Reference White Primaries, , , , , kexp and LB1, LB1, LB2, LB2, LB3, LB3, LC1, LC1, LC2, LC2, LC3 LC3 parameters 51SMPTE RDD 22:2012Page 4 of 56 pag
13、esIntroductionThe intended application of this RDD is for the transfer of full frame film images to electronic media.This RDD defines an image pixel array and interface container to transport a maximum pixel array of2048 x 1556, over a real time serial digital interface of 1650 lines. The source ima
14、ge is a 4:4:4 image,transported by a dual link interface.The 2048 x 1556 source image is mapped into 2 serial Interfacecontainers, 2 x 1536 x 778 pixels (dual channel) per link. The Y/G image samples are interleaved between theY and C channels of link A. The Red image samples are interleaved between
15、 the Y and C channels of link B.The Blue samples are interleaved between the C channels of link A and the Y channel of link BThis RDD serial interface data structure, sampling frequencies, and synchronizing signals have a lot incommon to other SMPTE defined HDTV Serial interfaces. These commonalitie
16、s should allow for the use ofHDTV distribution equipment currently in use to transport these images. Because of the mapping format,processing and storage of the serial interface data will be required to display the 2048 x 1556 images.1 GeneralThroughout this document reference is made to Ancillary D
17、ata Packets (ANC).These data packets areformatted in conformance with SMPTE ST 291.In the Audio section of the document reference is made to AES-3. Readers may obtain a copy of AES-3 fromthe Audio Engineering Society.The time code defined in this RDD is based on SMPTE ST 12M-1, SMPTE ST 12M-2 and Re
18、commendationITU-R BR.780-2. Details concerning typical physical interfaces, time code data structure, and otherimplementation issues may be found in these references. This RDD does not use all the user defined binarygroup data contained within the time code structure.2 Source Image FormatThe source
19、image format is a progressive capture with a maximum 2048 x 1556 pixel array.The frame rate of the source image array shall be 24, 24/1.001, or 25 frames per second.Table 1 System NumbersSystemNumberFrame Rate Frames per second1 242 24/1.0013 25The pixel array defined above shall be placed within an
20、 image container, however the image may not fill thecontainer.SMPTE RDD 22:2012Page 5 of 56 pagesFigure 1 Image ContainerWhen the source image contains non active pixels, these non-active pixels shall be set to 40h.The bit depth of each pixel shall be 10 bits.Image pixel digital values shall not exc
21、eed the following values:Signal level of100 %3ACh(940(10)Signal level of0 %040h(64(10)Head room forOver shoot3ADh-3FBh(941(10)-1019(10)Foot room forUnder shoot004h-03Fh(4(10)-63(10)2.1 F-S Colorimetry2.1.1 Encoding Primaries Free Scale Gamut (FS-Gamut)The FS colorimetry shall use the CIE XYZ tristim
22、ulus values defined in CIE S 014-2/E: 2006 ISO 11664-2:2007 ranging from 2.00000 to +2.00000. Default values of the primaries and reference white shall be asImage ContainerImageContainercentre,ActiveimagecentreHorizontalPixels,2048Vertical Pixels1556Pixel number0.0Active Image Pixels - May fill the
23、containerNon Active Image Pixels - Set to 040hNon Active Image Pixels - Set to 040hCenter ofthe containerANDcenter ofthe imageLine 0Line 1555SMPTE RDD 22:2012Page 6 of 56 pagesdefined in Table 2 and is defined as FS-Gamut. FS-Gamut and FS-Log are identifying names of thedefined color space and the L
24、og curve in this RDD.Table 2 Default values of FS-Gamut2.1.2 FS-Log curveFrom the RFS, GFS, BFS or user defined Ruser, Guser, Buser tristimulus values, three nonlinear primarycomponents RFS, GFS, BFS or R, G, B shall be calculated according to the following FS-Log curve (Equation1) and if necessary
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