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GB/T 38831-2020: Technical requirements for IPTV media delivery system--Media distribution and storage subsystem
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Technical requirements for IPTV media delivery system--Media distribution and storage subsystem
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GB/T 38831-2020
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Basic data | Standard ID | GB/T 38831-2020 (GB/T38831-2020) | | Description (Translated English) | Technical requirements for IPTV media delivery system--Media distribution and storage subsystem | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | M32 | | Classification of International Standard | 33.160.60 | | Word Count Estimation | 46,419 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2020-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38831-2020: Technical requirements for IPTV media delivery system--Media distribution and storage subsystem
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Technical requirements for IPTV media delivery system)
ICS 33.160.60
M32
National Standards of People's Republic of China
Technical requirements for IPTV media delivery system
Media distribution storage subsystem
2020-06-02 release
2020-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Contents
Foreword I
1 Scope 1
2 Normative references 1
3 Acronyms 1
4 The position of the media distribution storage subsystem in the IPTV media delivery system 1
5 Functional requirements of the media distribution storage subsystem 2
5.1 Functions of media distribution storage subsystem 2
5.2 Media management function requirements 3
5.3 Media storage function requirements 3
5.4 Media preprocessing function requirements (optional) 4
5.5 Service routing function requirements 4
6 Media encoding and file format requirements 5
6.1 Video content encoding requirements 5
6.2 Audio content encoding requirements 5
6.3 File format requirements 5
7 Media access and distribution interface 5
8 B interface communication process and communication protocol requirements 6
9 D1 interface communication process and communication protocol requirements 6
9.1 General requirements 6
9.2 Interface communication process for providing services to set-top boxes and TV terminals 8
9.3 Process of providing service interface to PC terminal 16
9.4 Process of providing service interface to mobile intelligent terminal 19
9.5 Buffer acceleration service interface process 22
9.6 D1 interface communication protocol requirements 23
9.7 D1 interface implementation requirements 27
10 D2 interface communication process and communication protocol requirements 30
10.1 D2 interface communication process 30
10.2 D2 interface protocol requirements 30
Appendix A (Informative Appendix) Index Document Label Code 40
References 42
Foreword
This standard is one of the series of "Technical Requirements for IPTV Media Delivery System". The name and structure of this series of standards are as follows.
---GB/T 38828 IPTV media delivery system technical requirements scenarios and requirements;
---GB/T 38827 IPTV media delivery system technical requirements system architecture;
---GB/T 38826 IPTV media delivery system technical requirements overall requirements;
---GB/T 38829 IPTV media delivery system technical requirements content access;
---GB/T 38830 IPTV media delivery system technical requirements global load balancing subsystem;
---GB/T 38831 IPTV media delivery system technical requirements media distribution storage subsystem;
---GB/T 38754 IPTV media delivery system technical requirements streaming media services.
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents.
This standard was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This standard is under the jurisdiction of the National Communications Standardization Technical Committee (SAC/TC485).
This standard was drafted by. China Information and Communication Research Institute, China Telecom Group Co., Ltd., China United Network Communication Group Co., Ltd.,
China Mobile Communications Corporation, Huawei Technologies Co., Ltd., ZTE Corporation, Shanghai Nokia Bell Co., Ltd., Dongfang
Fang Mingzhu New Media Co., Ltd.
The main drafters of this standard. Nie Xiuying, Chen Ge, Liang Jie, Tang Hong, George, Lu Kaifeng, Ni Wei, Zhang Yaoye, Miao Chuanyang, Gu Fangfang, Zhang Lijie,
Guo Song.
Technical requirements for IPTV media delivery system
Media distribution storage subsystem
1 Scope
This standard specifies the location, functional requirements, media encoding and files of the media distribution and storage subsystem in the IPTV media delivery system
Format, media access distribution interface, interface communication process and communication protocol.
This standard applies to IPTV media delivery systems.
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 38829-2020 IPTV media delivery system technical requirements content access
3 Acronyms
The following abbreviations apply to this document.
AAC. Advanced Audio Coding (AdvancedAudioCoding)
AMR. Adaptive Multi-Rate
AVI. Audio Video Interleaved Format (AudioVideoInterleaved)
F4V. AdobeFlash video file format for H.264 encoding (AdobeFlashVideoFileforH.264)
FLV. Flash video (FlashVideo)
GSLB. Global Service Load Balancing
HTTP. Hypertext Transfer Protocol (HypertextTransferProtocol)
IPTV. Internet Protocol Television (InternetProtocolTelevision)
ISMA. Internet Streaming Media Cooperation Alliance (InternetStreamingMediaAliance)
MDS. Media Delivery System (MediaDeliverySystem)
MP4.MPEG-4 file format (MPEG-4FileFormat)
MPEG/MPG. Moving Picture Experts Group (MovingPicturesExpertsGroup)
RTSP. Real-Time Streaming Protocol (Real-TimeStreamingProtocol)
STB. Set Top Box (SetTopBox)
TS. Transport Stream (TransportStream)
TSTV. Time Shift Television (TimeShiftTelevision)
URL. Uniform Resource Locator (UniformResourceLocator)
3GP. 3GPP file format (3GPPFileFormat)
4 The position of the media distribution storage subsystem in the IPTV media delivery system
The location of the media distribution storage subsystem in the IPTV media delivery system is shown in Figure 1.
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