SMPTE ST 2081-11-2016 2160-line Source Image and Ancillary Data Mapping for Dual-link 6G-SDI.pdf

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1、 Copyright 2016 by THE SOCIETY OF MOTION PICTURE AND TELEVISION ENGINEERS 3 Barker Avenue, White Plains, NY 10601 (914) 761-1100 Approved June 15, 2016 Table of Contents Page Foreword . 2 Intellectual Property 2 Introduction 2 1 Scope . 4 2 Conformance Notation . 4 3 Normative References . 4 4 Mode

2、1: Carriage of 2160-line Source Image Formats and Ancillary Data . 5 4.1 Mapping . 6 4.2 Audio Data . 11 4.3 Payload Identifier . 13 4.4 Blanking (Informative) 15 4.5 Multiplex . 16 4.6 Levels of Operation (Informative) . 16 5 Dual-link 6G-SDI 10-bit Multiplex . 16 6 6G-SDI Link 1 / 6G-SDI Link 2 In

3、terface Timing 18 Annex A Ancillary Data Capacity of the Dual-link 6G-SDI Interface (Informative) . 19 Annex B Bibliography (Informative) . 20 Page 1 of 20 pages SMPTE ST 2081-11:2016 SMPTE STANDARD 2160-line Source Image and Ancillary Data Mapping for Dual-link 6G-SDI SMPTE ST 2081-11: 2016 Page 2

4、of 20 pages Foreword SMPTE (the Society of Motion Picture and Television Engineers) is an internationally-recognized standards developing organization. Headquartered and incorporated in the United States of America, SMPTE has members in over 80 countries on six continents. SMPTEs Engineering Documen

5、ts, including Standards, Recommended Practices, and Engineering Guidelines, are prepared by SMPTEs Technology Committees. Participation in these Committees is open to all with a bona fide interest in their work. SMPTE cooperates closely with other standards-developing organizations, including ISO, I

6、EC and ITU. SMPTE Engineering Documents are drafted in accordance with the rules given in its Standards Operations Manual. SMPTE ST 2081-11 was prepared by Technology Committee 32NF. Intellectual Property At the time of publication no notice had been received by SMPTE claiming patent rights essentia

7、l to the implementation of this Engineering Document. However, attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. SMPTE shall not be held responsible for identifying any or all such patent rights. Introduction SMPTE ST 2081-11 define

8、s the mapping of various source images and associated ancillary data into a Dual-link 6 Gb/s nominal SDI bit-serial interface. The general process for creating a dual-link 6G-SDI is illustrated below in Figure 1. Detailed definitions of how this process applies to each of the modes defined in the sc

9、ope follow in other sections of this document. 6G-SDI 10-bi t interface ST 20 81 -1Dua l 6G-SDI 10 -bi t Multiple x216 0-line ImageMux6G-SDI 10-bi t interface ST 20 81 -1MuxDivisio n to Sub Image sSo urce Image dataLink TwoLink OneSub Image OneData Stream TwoData Stream ThreeData Stream FourData Str

10、eam FiveData Stream SixData Stream Seve nData Stream Eigh tMap ping onto 80 -bit Virtual Interface Sub Image TwoSub Image ThreeSub Image FourData Stream OneFigure 1 Carriage of 2160-line images in a Dual-link 6G-SDI interface generalized process SMPTE ST 2081-11:2016 Page 3 of 20 pages Formatting Th

11、e source images are divided into four 1080-line sub images. The sub images are then mapped onto an 80-bit virtual interface consisting of eight 10-bit data streams. Each 10-bit data stream includes timing and sync words, line numbers, cyclic redundancy codes, ancillary data, including audio, and pay

12、load identification packets. Multiplex The 80-bit virtual interface is multiplexed onto two 6G-SDI 10-bit interfaces. The first four data streams are multiplexed in the order data stream four, data stream two, data stream three, data stream oneonto 6G-SDI Link 1. The second four data streams are mul

13、tiplexed in the order data stream eight, data stream six, data stream seven, data stream fiveonto 6G-SDI Link 2. SMPTE ST 2081-11: 2016 Page 4 of 20 pages 1 Scope This standard defines the mapping of: Mode 1: 2160-line Source image formats and ancillary data into a Dual-link 6 Gb/s nominal SDI bit-s

14、erial interface This standard also defines the carriage of the SMPTE ST 352 payload IDs for the Dual-link 6Gb/s SDI interface. It is not necessary for implementations to include support for all formats that are included in this ST. Implementers should indicate supported formats in commercial publica

15、tions. 2 Conformance Notation Normative text is text that describes elements of the design that are indispensable or contains the conformance language keywords: “shall“, “should“, or “may“. Informative text is text that is potentially helpful to the user, but not indispensable, and can be removed, c

16、hanged, or added editorially without affecting interoperability. Informative text does not contain any conformance keywords. All text in this document is, by default, normative, except: the Introduction, any section explicitly labeled as “Informative“ or individual paragraphs that start with “Note:”

17、 The keywords “shall“ and “shall not“ indicate requirements strictly to be followed in order to conform to the document and from which no deviation is permitted. The keywords, “should“ and “should not“ indicate that, among several possibilities, one is recommended as particularly suitable, without m

18、entioning or excluding others; or that a certain course of action is preferred but not necessarily required; or that (in the negative form) a certain possibility or course of action is deprecated but not prohibited. The keywords “may“ and “need not“ indicate courses of action permissible within the

19、limits of the document. The keyword “reserved” indicates a provision that is not defined at this time, shall not be used, and may be defined in the future. The keyword “forbidden” indicates “reserved” and in addition indicates that the provision will never be defined in the future. A conformant impl

20、ementation according to this document is one that includes all mandatory provisions (“shall“) and, if implemented, all recommended provisions (“should“) as described. A conformant implementation need not implement optional provisions (“may“) and need not implement them as described. Unless otherwise

21、 specified, the order of precedence of the types of normative information in this document shall be as follows: Normative prose shall be the authoritative definition; Tables shall be next; followed by formal languages; then figures; and then any other language forms. 3 Normative References The follo

22、wing standards contain provisions that, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the pos

23、sibility of applying the most recent edition of the standards indicated below. SMPTE ST 299-1:2009, 24-Bit Digital Audio Format for SMPTE 292 Bit-Serial Interface SMPTE ST 299-2:2010, Extension of the 24-Bit Digital Audio Format to 32 Channels for 3 Gb/s Bit-Serial Interfaces SMPTE ST 352:2013, Payl

24、oad Identification Codes for Serial Digital Interfaces SMPTE ST 2081-11:2016 Page 5 of 20 pages SMPTE ST 425-5:2015, Image Format and Ancillary Data Mapping for the Quad Link 3 Gb/s Serial Interface SMPTE ST 2048-1:2011, 2048 1080 and 4096 2160 Digital Cinematography Production Image Formats FS/709

25、Amendment 1:2016 to SMPTE ST 2048-1:2011 4 Mode 1: Carriage of 2160-line Source Image Formats and Ancillary Data In the case of 2160-line mapping, the image formats supported are defined in SMPTE ST 425-5, Table 1 2160-line Source Image Formats, repeated here for convenience. Table 1 2160-line Sourc

26、e Image Formats Supported (Informative) Reference SMPTE Standard Image Format Signal Format Sampling Structure/pixel Depth Frame Rate Hz ST 2036-1 3840 2160 4:2:2 (YCBCR), 4:2:0 (YCBCR)/10-bit 50, 60/1.001 and 60 Progressive ST 2048-1 4096 2160*2 4:2:2 (YCBCR)/10-bit 48/1.001, 48, 50, 60/1.001 and 6

27、0 Progressive ST 2036-1 3840 2160 4:4:4 (RGB) 24/1.001, 24, 25, 30/1.001 and 30 Progressive ST 2048-1 4096 2160*2 4:4:4 (RGB*1), 4:4:4:4 (RGB*1+A)/10-bit ST 2036-1 3840 2160 4:4:4 (YCBCR) ST 2048-1 4096 2160*2 4:4:4 (YCBCR), 4:4:4:4 (YCBCR+A)/10-bit ST 2036-1 3840 2160 4:4:4 (RGB)/12-bit ST 2048-1 4

28、096 2160*2 4:4:4 (RGB*1)/12-bit ST 2036-1 3840 2160 4:4:4 (YCBCR)/12-bit ST 2048-1 4096 2160*2 4:4:4 (YCBCR)/12-bit ST 2036-1 3840 2160 4:2:2 (YCBCR)/12-bit 4:2:0 (YCBCR)/12-bit ST 2048-1 4096 2160*2 4:2:2 (YCBCR)/12-bit ST 2048-1 4096 2160*2 4:2:2:4 (YCBCR+A)/12-bit Notes: *1 In this image format R

29、GB indicates either RGB or RFSGFSBFS. An additional Color VANC packet to describe the FS characteristics is defined by SMPTE ST 2048-1. *2 This is the maximum pixel array, the active image may not fill the maximum array. SMPTE ST 2081-11: 2016 Page 6 of 20 pages 4.1 Mapping The source image shall be

30、 divided into four sub-images in accordance with the 2-sample interleave division method defined in SMPTE ST 425-5, Section 5.2.1, 2160-line Image Division into Four Sub Images. The four resulting sub-images shall then be mapped into an 80-bit virtual interface in accordance with the sub image mappi

31、ng structure numeral 1, 2, 3 or 4 defined in SMPTE ST 425-5, Table 2 2160-line Source Image Formats, such that: Sub image 1 is mapped into data stream one and data stream two. Sub image 2 is mapped into data stream three and data stream four. Sub image 3 is mapped into data stream five and data stre

32、am six. Sub image 4 is mapped into data stream seven and data stream eight This process is illustrated in SMPTE ST 425-5, Figure 2 Mapping Overview for 2160-line Source Images. The 80-bit virtual interface shall include sync and timing (TRS) words, Cyclic redundancy code (CRC) words, line numbers, H

33、ANC and VANC data and time code except audio according to SMPTE ST 425-5 , Section 6, Level A Mapping for 2160-line Source Images. Informative Annex A provides information about the amount of HANC and VANC data space available in this operating mode. 4.1.1 Mapping Process (Informative) Figure 2 illu

34、strates the process for the carriage of SMPTE ST 2036-1 and SMPTE ST 2048-1 2160-line source image formats in a Dual-link 6G-SDI interface. Data Stream OneData Stream TwoData Stream Thre eData Stream Four6G-SDI 10-bi t interface ST 20 81 -1Dua l 6G-SDI 10 -bi t Multiple xData Stream FiveData Stream

35、SixData Stream Se venData Stream Eigh t003839 /409521591 21 2 1 21 23 43 4 3 43 41 21 2 1 21 23 43 4 3 43 41 21 2 1 21 23 43 4 3 43 4Mux6G-SDI 10-bi t interface ST 208 1-1Mux80 -b it Virtual Interface Map ping2 samp le in t e rleave Sub -divisio nSource Imag eLink TwoLink One1920 /204801919 /2047111

36、22112542EAV SAVHANCDataSub Image 1EAV SAVHANCDataSub Image 2EAV SAVHANCDataSub Image 3EAV SAVHANCDataSub Image 4Figure 2 Carriage of 2160-line mapping source image formats in a dual-link 6G-SDI interface SMPTE ST 2081-11:2016 Page 7 of 20 pages The 2160-line source image is divided into four 1080-li

37、ne sub images in accordance with the 2 sample interleave sub-division method referenced in SMPTE ST 425-5 2160-line Mapping. For a 4:2:0 source image, the CB and CR samples in sub images 3 and 4 are set to the value 200h for 10-bit systems and 800h for 12-bit systems. Each 1080-line sub image has th

38、e structure as shown in SMPTE ST 425-5, Table 2 Sub Image Formats, repeated here for convenience in Table 2. Table 2 Sub Image Formats (Informative) Source Image Sub Image Reference SMPTE Standard Image Format Reference SMPTE Standard Image Format ST 2036-1 3840 2160 ST 274 1920 1080 ST 2048-1 4096

39、2160 ST 2048-2 2048 1080 Each sub image is mapped into two 10-bit data streams. Sub image 1 is mapped into data streams one and two. Sub image 2 is mapped into data streams three and four. Sub image 3 is mapped into data streams five and six. Sub image 4 is mapped into data streams seven and eight.

40、Each data stream includes sync and timing (TRS) words, Cyclic redundancy code (CRC) words, line numbers, HANC and VANC data and time code. The eight 10-bit data streams are combined onto an 80-bit virtual interface: 4.1.2 2160-line 80-bit Virtual Interface Multiplex Structure (Informative) The video

41、 data words from each sub image are conveyed in the following order in the data streams of the 80-bit virtual interface: Mapping Structure 1: Sub image 1 is mapped into data streams one and two: data stream one: Y0, Y1, Y2, Y3. data stream two: CB0, CR0, CB1, CR1. Sub image 2 is mapped into data str

42、eams three and four: data stream three: Y0, Y1, Y2, Y3. data stream four: CB0, CR0, CB1, CR1. Sub image 3 is mapped into data streams five and six: data stream five: Y0, Y1, Y2, Y3. data stream six: CB0, CR0, CB1, CR1. Sub image 4 is mapped into data streams seven and eight: data stream seven: Y0, Y

43、1, Y2, Y3. data stream eight: CB0, CR0, CB1, CR1. For a 4:2:0 source images, the 10-bit CB and CR samples in sub images 3 and 4 are set to the value 200h. SMPTE ST 2081-11: 2016 Page 8 of 20 pages Mapping Structure 2: Sub image 1 is mapped into data streams one and two: data stream one: G0, R0, G1,

44、R1. data stream two: A0, B0, A1, B1. Sub image 2 is mapped into data streams three and four: data stream three: G0, R0, G1, R1. data stream four: A0, B0, A1, B1. Sub image 3 is mapped into data streams five and six: data stream five: G0, R0, G1, R1. data stream six: A0, B0, A1, B1. Sub image 4 is ma

45、pped into data streams seven and eight: data stream seven: G0, R0, G1, R1. data stream eight: A0, B0, A1, B1. Mapping Structure 3: Bit b9 in every word is the complement of b8. The lists and tables below describe Bits b8 b0 Sub image 1 is mapped into data streams one and two: data stream one: RGB 0

46、11:9, RGB 0 5:3, RGB 1 11:9, RGB 1 5:3. data stream two: RGB 0 8:6, RGB 0 2:0, RGB 1 8:6, RGB 1 2:0. Sub image 2 is mapped into data streams three and four: data stream three: RGB 0 11:9, RGB 0 5:3, RGB 1 11:9, RGB 1 5:3. data stream four: RGB 0 8:6, RGB 0 2:0, RGB 1 8:6, RGB 1 2:0. Sub image 3 is m

47、apped into data streams five and six: data stream five: RGB 0 11:9, RGB 0 5:3, RGB 1 11:9, RGB 1 5:3. data stream six: RGB 0 8:6, RGB 0 2:0, RGB 1 8:6, RGB 1 2:0. Sub image 4 is mapped into data streams seven and eight: data stream seven: RGB 0 11:9, RGB 0 5:3, RGB 1 11:9, RGB 1 5:3. data stream eig

48、ht: RGB 0 8:6, RGB 0 2:0, RGB 1 8:6, RGB 1 2:0. Mapping Structure 4: Bit b9 in every word is the complement of b8. The lists and tables below describe Bits b8 b0 Sub image 1 is mapped into data streams one and two: data stream one: Bits b8 b6: A0 11:9, A0 5:3, A1 11:9, A1 5:3. Bits b5 b0: Y0 11:6, Y0 5:0, Y1 11:6, Y1 5:0. data stream two: Bits b8 b6: A0 8:6, A0 2:0, A1 8:6, A1 2:0. Bits b5 b0: CB 0 11:6, CB 0 5:0, CR 0 11:6, CR 0 5:0. SMPTE ST 2081-11:2016 Page 9 of 20