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SMPTE ST 2067-20-2013 Interoperable Master Format - Application #2.pdf

1、 Approved August 29, 2013 Copyright 2013 by THE SOCIETY OF MOTION PICTURE AND TELEVISION ENGINEERS 3 Barker Avenue, White Plains, NY 10601 (914) 761-1100 SMPTE ST 2067-20:2013 SMPTE STANDARD Interoperable Master Format Application #2 Page 1 of 19 pages Table of Contents Page Foreword . 2 Intellectua

2、l Property . 2 1 Scope . 3 2 Conformance Notation 3 3 Normative References 3 4 Overall 4 5 Essence 5 6 Track Files 8 7 Composition 14 Annex A Additional JPEG 2000 Picture Essence Compression Labels (Normative) . 15 Annex B Image Frame and Active Area Rectangle Examples (Informative) 16 SMPTE ST 2067

3、-20:2013 Page 2 of 19 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 Eng

4、ineering Documents, 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,

5、including ISO, IEC and ITU. SMPTE Engineering Documents are drafted in accordance with the rules given in Part XIII of its Operations Manual. SMPTE ST 2067-20 was prepared by Technology Committee 35PM. Intellectual Property At the time of publication no notice had been received by SMPTE claiming pat

6、ent rights essential 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. SMPTE ST 2067-20:

7、2013 Page 3 of 19 pages 1 Scope This document specifies Compositions for IMF Application #2. It is a specialization of the IMF Framework. Application #2 is meant for studio applications where a TV or movie title is transformed into multiple content versions (airline edits, special edition, languages

8、) that are made available to multiple consumer distribution channels (Internet, optical media, broadcast.) across multiple territories and over the span of many months to over a year. It uses HD image essence coded as a JPEG 2000 codestream and audio essence coded as linear PCM. The transformation o

9、f Application #2 Compositions to the output formats appropriate for each distribution channel is specified in other documents. 2 Conformance Notation Normative text is text that describes elements of the design that are indispensable or contains the conformance language keywords: “shall“, “should“,

10、or “may“. Informative text is text that is potentially helpful to the user, but not indispensable, and can be removed, changed, or added editorially without affecting interoperability. Informative text does not contain any conformance keywords. All text in this document is, by default, normative, ex

11、cept: the Introduction, any section explicitly labeled as “Informative“ or individual paragraphs that start with “Note:” 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, “sho

12、uld“ and “should not“ indicate that, among several possibilities, one is recommended as particularly suitable, without mentioning 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 actio

13、n is deprecated but not prohibited. The keywords “may“ and “need not“ indicate courses of action permissible within the 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”

14、indicates “reserved” and in addition indicates that the provision will never be defined in the future. A conformant implementation according to this document is one that includes all mandatory provisions (“shall“) and, if implemented, all recommended provisions (“should“) as described. A conformant

15、implementation need not implement optional provisions (“may“) and need not implement them as described. Unless otherwise 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

16、be next; followed by formal languages; then figures; and then any other language forms. 3 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All

17、standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of the standards indicated below. SMPTE ST 377-1:2011, Material Exchange Format (MXF) File Format Specification SMPTE ST 2067-20:2013

18、Page 4 of 19 pages Amendment 1:2012 to SMPTE ST 377-1:2011 Amendment 2:2012 to SMPTE ST 377-1:2011 SMPTE ST 422:2013, MXF Mapping JPEG 2000 Codestreams into the MXF Generic Container SMPTE ST 2067-2:2013, Interoperable Master Format Core Constraints SMPTE RP 224, SMPTE Labels Register ISO/IEC 15444-

19、1:2004/Amendment 3:2010, Information Technology JPEG 2000 Image Coding System Recommendation ITU-R BT.601-5, Studio Encoding Parameters of Digital Television for Standard 4:3 and Wide-Screen 16:9 Aspect Ratios Recommendation ITU-R BT.709-5, Parameter Values for the HDTV Standards for Production and

20、International Programme Exchange World Wide Web Consortium (W3C) (2004, October 28). XML Schema Part 1: Structures (Second Edition). 4 Overall 4.1 General All provisions of SMPTE ST 2067-2 shall apply. 4.2 Format Track Files shall conform to SMPTE ST 379-1. 4.3 Shim Parameters Track Files shall be a

21、ssociated with the shim parameter values specified in Table 1. Table 1 Shim Parameter Values Definitions Shim Parameter Value shim_id http:/www.smpte-ra.org/schemas/2067-20/2013 gc_type 379-1-gc picture_family JPEG2000 picture_bitrate ST 2067-20 picture_format ST 2067-20 picture_custom_ANC false pic

22、ture_render_ANC false SMPTE ST 2067-20:2013 Page 5 of 19 pages 5 Essence 5.1 Image Essence 5.1.1 General Image essence shall consist of image frames, each a rectangular pixel array. 5.1.2 Constraints Image frames shall conform to the combinations of characteristics allowed in Table 2 Table 2 Image C

23、haracteristics Image Frame Width Section 5.1.3 11920 Image Frame Height Section 5.1.3 11080 Pixel Bit Depth Section 5.1.3.6 8 10 Frame Structure Section 5.1.3.2 Progressive Interlaced Stereoscopy Section 5.1.3.10 Stereoscopic Monoscopic Monoscopic Frame Rate Section 5.1.3.4 24 24000/1001 25 30 30000

24、/1001 50 60 60000/1001 25 30 30000/1001 Sampling Section 5.1.3.9 4:4:4 4:2:2 4:2:2 Quantization Section 5.1.3.8 QE.1 QE.2 QE.1 QE.1 Color Components Section 5.1.3.5 RGB YCBCRRGB YCBCRYCBCRColorimetry Section 5.1.3.7 COLOR.1 COLOR.2 COLOR.3 COLOR.3 COLOR.1 COLOR.2 COLOR.3 COLOR.1 COLOR.2 COLOR.3 5.1.

25、3 Characteristics 5.1.3.1 Frame Dimensions The width and height of the frame are defined as the number of horizontal and vertical pixel elements, respectively. 5.1.3.2 Frame Structure 5.1.3.2.1 General Implementations shall support image frames with either a progressive or interlaced structure. SMPT

26、E ST 2067-20:2013 Page 6 of 19 pages 5.1.3.2.2 Progressive Structure An image frame with progressive structure shall consist of a complete image frame, scanned progressively left to right and from top to bottom. 5.1.3.2.3 Interlaced Structure An image frame with interlaced structure shall consist of

27、 a pair of fields, a first field then a second field. The lines of each field shall have twice the vertical spatial sampling pitch of the frame. Lines in the second field shall be displaced vertically by the vertical sampling pitch and the line timing shall be delayed temporally by half the frame ti

28、me from the lines in the first field. The temporal order and relative line positions of the two fields are indicated by the Field Dominance and DisplayF2Offset items described in Section 6.1.2.1. 5.1.3.3 Frame Size The height and width of the image frame shall be an integer. Image frames with an int

29、erlaced image structure shall have an even number of vertical pixels. 5.1.3.4 Frame Rate When interlaced frame structure is used, the field rate, i.e. the number of image fields per second, shall be twice the frame rate. 5.1.3.5 Color Components Implementations shall support image frames sampled usi

30、ng either RGB or YCBCR color component triplets. 5.1.3.6 Pixel Bit Depth Implementations shall support the color component of each pixel being represented by an integer in the set 02n 1, with n being the pixel bit depth. 5.1.3.7 Colorimetry Implementations shall support values of the RGB or YCBCRcom

31、ponent signals being mapped to red, green and blue tristimulus values according to one of the systems specified in Table 3. Table 3 Colorimetry Systems System Description COLOR.1 Mapped as specified for 625-line systems in Section 2.6 of Recommendation ITU-R BT.601 COLOR.2 Mapped as specified for 52

32、5-line systems in Section 2.6 of Recommendation ITU-R BT.601 COLOR.3 Mapped as specified in Section 1 of Part 2 of Recommendation ITU-R BT.709 Note : In Recommendation ITU-R BT.601 and Recommendation ITU-R BT.709, the signals R, G, B, Y, CBand CRare referred to as signals ER, EG, EB, EY, ECBand ECRr

33、espectively, i.e. they correspond to gamma pre-corrected signals. SMPTE ST 2067-20:2013 Page 7 of 19 pages 5.1.3.8 Quantization Implementations shall RGB or YCBCRcomponent signals being quantized according to one of the systems specified in Table 4. Table 4 Quantization Systems System Component Trip

34、let Quantization equations (n is the pixel bit depth) Notes QE.1 RGB DR= INT( ( 219 R + 16 ) 2n-8) DG= INT( ( 219 G + 16 ) 2n-8) DB= INT( ( 219 B + 16 ) 2n-8) Equivalent to quantization equations of Section 3 of Part 2 of Recommendation ITU-R BT.709, and Table 3 and Table 4 of Recommendation ITU-R B

35、T.601 YCBCRDY= INT( ( 219 Y + 16 ) 2n-8) DCR= INT( ( 224 CR+ 128 ) 2n-8) DCB= INT( ( 224 CB+ 128 ) 2n-8) QE.2 RGB DR= INT( R ( 2n- 1 ) ) DG= INT( G ( 2n- 1 ) ) DB= INT( B ( 2n- 1 ) ) The mapping of components signals using the QE.2 system onto interfaces such as HD-SDI is defined in other specificat

36、ions. 5.1.3.9 Sampling In 4:4:4 sampling, each component shall be sampled once at each image frame pixel. In 4:2:2 YCBCRsampling, the Y component shall be sampled at each pixel, but the CRand CBcomponents shall be horizontally subsampled by a factor of two with respect to the Y component, co-sited w

37、ith even-numbered Y samples. 5.1.3.10 Stereoscopic and Monoscopic Image Essence Monoscopic essence consists of a single sequence of image frames. Stereoscopic essence consists of a sequence of pairs of image frames, a left eye frame and a right eye frame, for stereoscopic viewing. The two images of

38、a pair shall be coincident in time. 5.1.4 Encoding 5.1.4.1 Profile Each frame, in the case of progressive structure, or field, in the case of interlaced structure, shall be encoded as a single codestream. Implementations shall support the profile and level combinations listed in Table 5, as specifie

39、d in ISO/IEC 15444-1 Amendment 3. SMPTE ST 2067-20:2013 Page 8 of 19 pages Table 5 JPEG 2000 Profiles Broadcast Contribution Single Tile Profile Level 1 Broadcast Contribution Single Tile Profile Level 2 Broadcast Contribution Single Tile Profile Level 3 Broadcast Contribution Single Tile Profile Le

40、vel 4 Broadcast Contribution Single Tile Profile Level 5 Broadcast Contribution Multi-tile Reversible Profile Level 6 Broadcast Contribution Multi-tile Reversible Profile Level 7 5.1.4.2 Component Ordering In a codestream, color components shall be ordered as specified in Table 6. Table 6 JPEG 2000

41、Color Component Ordering Component Index RGB YCBCR0 R Y 1 G CB 2 B CR 6 Track Files 6.1 Image Track Files 6.1.1 Essence Image Track Files shall contain image essence conforming to Section 5. 6.1.2 Wrapping Image Track Files shall conform to SMPTE ST 422. In the case of progressive frame structure, t

42、he image essence shall be wrapped according to mode P1 specified in SMPTE ST 422 (“Frame-wrapping“.) In the case of interlaced frame structure, the image essence shall be wrapped according to mode I1 specified in SMPTE ST 422 (“Interlaced Frame, 1 field per KLV Element“.) The Top-Level File Package

43、of Image Track File shall reference: a CDCI Picture Essence Descriptor SMPTE ST 377-1 if the image uses YCBCRcolor components; or an RGBA Picture Essence Descriptor SMPTE ST 377-1 if the image essence uses RGB color components. SMPTE ST 2067-20:2013 Page 9 of 19 pages 6.1.2.1 Generic Picture Essence

44、 Descriptor 6.1.2.1.1 General The Generic Picture Essence Descriptor items (including those specified in SMPTE ST 2067-2) shall be constrained as specified in Table 7. Table 7 Generic Picture Essence Descriptor Items Generic Picture Essence Descriptor Item Constraints Sample Rate See Annex A of SMPT

45、E ST 422. Signal Standard Shall be ignored. Frame Layout See Section 6.1.2.1.3. Stored Width See Section 6.1.2.1.2. Stored Height See Section 6.1.2.1.2. StoredF2Offset Shall not be present Sampled Width Shall not be present or shall be equal to Stored Width. Sampled Height Shall not be present or sh

46、all be equal to Stored Height. SampledXOffset Shall not be present or shall be 0. SampledYOffset Shall not be present or shall be 0. DisplayHeight See Annex B for illustrative examples. Note: Unless explicitly set, the Active Area Rectangle is by default equal to the Display Rectangle see SMPTE ST 2

47、067-2. DisplayWidth DisplayXOffset DisplayYOffset ActiveHeight ActiveWidth ActiveXOffset ActiveYOffset DisplayF2Offset Shall be present. AspectRatio See Section 6.1.2.1.3. Active Format Descriptor Shall be ignored. Video Line Map Shall be ignored. Alpha Transparency Shall not be present. Transfer Ch

48、aracteristic Shall be present. See Section 6.1.2.1.5. Image Alignment Offset Shall not be present. Image Start Offset Shall not be present. SMPTE ST 2067-20:2013 Page 10 of 19 pages Image End Offset Shall not be present. FieldDominance Shall be present if interlaced structure is used and shall not b

49、e present if progressive structure is used Picture Essence Coding Shall be present. See Section 6.1.2.1.8. Coding Equations Shall be present if YCBCRsampling is used. See Section 6.1.2.1.6. Shall be ignored if RGB sampling is used. Color Primaries Shall be present. See Section 6.1.2.1.7. Alternative Center Cuts See Section 6.1.2.1.9. 6.1.2.1.2 Stored Width and Stored Height The values of the Stored W

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