GY/T 201-2004.Specification for data broadcasting in digital television system.
1范围
GY/T 201规定了地面、有线、卫星等数字电视广播系统中基于传输流的数据广播的数据结构、数据交换、数据传输协议等。
GY/T 201适用于地面、有线、卫星等数字电视广播系统中的数据广播系统。
2规范性引用文件.
下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件,其随后所有的修改单(不包括勘误的内容)或修订版本均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。
GB 2312信息交 换用汉字编码字符集基本集
GB/T 8565.1信息技术 文本通信用编码字符集拉丁字母
GB 13000.1 信息技术 通用多八位编码字符集(UCS)第1部分: 体系结构与基本多文种平面
GB/T 15273.1信息处理 八位单字节编码图形字符集
GB/T 15629. 1信息技术系统间远程通讯和信息交换局域网和城域网特定要求第1部分:局域网标准综述
GB/T 15629.2 信息技术 系统间远程通讯和信息交换局域网和城域网特定要求 第2部分:逻辑链路控制
GB/T 17975.1 信息技术 运动图像及其伴音信息的通用编码第1部分:系统
GB/T 17975.2信息技术 运动图像及其伴音信号的通用编码第2部分:视频
GB/T 17975.3信息技术 运动图像及其伴音信号的通用编码第3部分:音频
GY/Z 174- -2001数字电视广 播业务信息规范
GY/Z 175- -2001数字电视广 播条件接收系统规范
IS0/IEC 13818-6信息技术运动图像及其伴音信息的通用编码第6部分:数字存储媒体命令和控制的扩展
ETS 300 802 Network-independent protocols for DVB interactive serv ices
IETF RFC 1112 Host extensions for IP multicasting Common Object Request Broker Architecture and Specification OMG，Revision 2. 0.
IETF RFC 1521 MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies
IETF RFC 1590 Media Type Registration Procedure， (Updates RFC 1521)， J. Postel.
IETF RFC 1950 ZLIB Compressed Data Format Specification version 3. 3
IETF RFC 1951 DEFLATE Compressed Data Format Specification version 1.3
IETF RFC 2045 Multipurpose Internet Mail Extensions (MIME) Part One: .Format of

GY/T201—2004
Specification for data broadcasting in digital television system2004-03-22
2004-05-01
DSMACC
CB/T 17975.1
FTYKAONYKACa
GYI T 2012004
GYIT201—2004
dat a br oadcasting
DBspecificationfor
Net work-independent prot ocol s for DvB i nt eracti ve servi cesE
EN301192
ETS300802
CB/T8565.1
CB/T15273.1
GB/T15629.1
CB/T15629.2
GB/T17975.1
GB/T17975.2
CB/T17975.3
GYIZ 1742001
GYIZ175
ISOIEC13818-6
GYIT201
Net work-independent protocol s for DvBinteractive servicesETS300802下载标准就来标准下载网
tBroker
IETFRFC1112
Hbst extensions for IP mul ticasting Common Cbj ect RequestArchi t ect ure and Specifi cati on OMG Revi si on 2. 0IETF RFC 1521 M ME (Mil ti purpose I nt er net Mai1 Ext ensi ons) Part OneSpeci f yi ng and Descri bi ng t he For nat of Int ernet Message Bodi esMechani sns for
Medi a Type Regi st rati on Rrocedure, (Updat es RFC 1521),J. Postel.IETF RFC 1590
IETFRFC1950
ZLI B Compressed Dat a Fornat Speci fi cati on ver si on 3. 3IETFRFC1951
DEFLATE Conpressed Dat a For nat Speci fi cati on ver si on 1. 3IETFRFC2045
Miltipurpose Internet MaiI Extensions(MME)Part OneInternetMessageBodi es
IETFRFC2046
MiltipurposeInternet Mail Extensions (MME)Part Two3
TYKAONYKACA
For nat of
Medi a Types
GYIT2012004
AFl Authority and Fornat IdentifierAPl Appli cation Portability Int erfaceBCPBroadcast Inter CRBProtocolbslbf bit string, Ieft bit firstCA Conditional Access
R Common Dat a Repr esent ationCRB
mRBA Comon Cbj ect Request Broker Archi tectureCRC Cyclic Redundancy Check
DC Dat a Car ousel
DBDownloadDataBocknessageof DSMOCDSMCCDownl oadl nf ol ndi cati on nessage of DSM ocDSM8
Downl oadSer verI ni ti at e nessage of DSM CDSMm
DSM OC D gi t al St orage Medi a - Comand & Cont rolDSM4CC UNDSM4oCUsertoNetworkDSM4oCDSMoCUU DSMUser toLber
Event Inf or nati on Tabl e
PG日ectroni cProgramGui de
ES 日 enentary Stream
G aphi cs I nt er change For matHIML
Hyper Text Mar k-up LanguageDSMOC
Interface Definition LanguageIETF
Int ernet Engi neering Task For ceInt ernet Inter CRB Prot ocolH
IcR Int er operabl e Cbj ect Ref erenceIP
Int ernet Prot ocol
JPEGJointPhotographi cExpertsGoupLLC Logi cal Li nk Cont rol
Media Access Control
Maxi mum Transport Uhit
NPT Nbr nal H ay Ti me
Network Servi ce Access PointNSAP
Chj ect Car ousel
Cbj ect Management Goup
Cj ect Mbdel li ng Techni queCbj ect Request Broker
Qgani zational Uhi que IdentifierProgram Associ ation Tabl e
Pr ogr am d ock Ref er ence
Packeti zed 日 enent ary StreamPID Packet Identifier
Phase Locked Loop
Progr am Map Tabl e
Poi nt to Poi nt Prot ocol
ProgramSpeci fic InfornationPTS Presentation Tine Stanp
RFC Request For Comments
rpchof remai nder pol ynomial coeffici ent hi gher order firstSDT Servi ce Descri ption Tabl eServiceInfornation
SNAP SubNet work At t achment Poi ntsinsbf signed integer most significant bit firstTopTransferControl Protocol
TSTransportStream
unsignedinteger,nost significant bit firstuinmsbf
CB/T17975.1
transportpriority
adapt ati on fi el d
databroadcast_descriptor
component _t ag
conmponent _t ag
GYI T 2012004
payl oad_uni t st art indi cat orGB/T17975.1
dat a br oadcast_descri ptorcomponent_tag
PMTstreamidentifierdescriptor4.1.2.1databroadcast_descriptordat a br oadcast _descri pt ordatabroadcastid
conponent_t ag
component_tag
sel ect or I engt h
sel ect or byte
streamtype
0x0001
streamidentifierdescriptor
CB/T17975.1
FTTKAONYKACa
GYI T 2012004
streamid
CB/T17975.1
OxBF(privatestream2)
PES packet _ engt h
4.2. 1.2PS
dat a_ br oadcast_descri pt orPMT
dat a broadcast _descri pt orconponent_tag
streamidentifier_descriptor
4. 2. 1. 2. 1 dat a br oadcast_descri pt ordat a br oadcast_descri pt ordat a broadcast i d
conponent _t ag
sel ect orIengt h
sel ect or_byte
4.2.1.2.2
streamid
0x0002
conponent_tag
streamidentifier_descriptor
GB/ T 17975. 1
GB/T 17975.1
PES packet _I engt h
PES dat a packet
PES data_packet（)（
dat aj dentifi er
sub streamid
PTS ext ensi on_fl ag
out put_dat a_rat e_flag
reserved
PES_data_packet_header_Jengt hPES
GBT17975.1
conponent_tag
conponent_tag
OxBDprivatestream1)
PES dat a_packet
1 PES dat a packet
if（PTS_extension_flag=1）（reserved
PTS_ext ensi on
if （output_data_rate_flag== 1 ）reserved
uinsbf
uinsbf
uinsbf
out put _dat a r at e
for (i=0;iPES dat a_privat e_dat a_byte)
for (i=0; iPES dat a byte
PES dat a packet
dataidentifier8
dat a i dentifier
PES data packet
2dataidentifier
dataidentifier
Ox00to0x0F
0x10 to0x1F
0x23to0x7F
0x80 to 0xFF
sub_streamid 8
PTSextensionflag
PTS extensi on
PES datapacket
out put _dat a_rat e_fl ag 11
out put dat a r at e
PES dat a packet
PEs dat a packet header Iengt h 4PTS extensi on 9
11. 1us(90kHz)
out put_data rate 28
PESdataprivate_data_byte
PES dat a byte
PTS_extension
out put dat a r at e
GY/T201
uinsbf
PES dat a pri vat e dat a bytePTS
37ns(27Mz)
databroadcast_descriptor
dat a broadcast_descriptor
component_tag
TTKAONYKACa-
GYIT2012004
component _t ag
conponent _t ag
4. 2. 2. 2. 1 dat a br oadcast descri pt ordat a_br oadcast_descri ptor·
dat a_ br oadcast i d
conponent _t ag
sel ect or_I engt h
sel ect orbyte
4.2.2.2.2
datagramsection
streamtype
0x0003
streamidentifier_descriptor
0x0004
streamidentifier_descriptor
dat agr am secti on
datagramsection
dat agr am secti on()(
table_id
section_syntaxindi cator
pri vat eindi cat or
reserved
secti on J engt h
MACaddress_6
MAC_address_5
reserved
payl oad_scranbl ing_controladdress_scranbling_control
LLC_SNAP_fl ag
current_nextindi cat or
section nunber
I ast _secti on_nunber
MAC address_4
MAC address_3
MAC_addr ess_2
conponent _t ag
ISOIEC13818-6
ISOIEC13818-6
CB/T17975-1
uinsbf
bsl bf
bsl bf
bsl bf
ui nsbf
ui nsbf
ui nsbf
bsl bf
bsl bf
bsl bf
bsl bf
bsl bf
uinsbf
ui nsbf
ui nsbf
uinsbf
ui nsbf
MAC_address_1
3datagramsection
if（LLCSNAPflag=1）
LLC_SNARO)
el set
for (j =0;jIP_dat agr am dat a_byt e
if (section_nunber = Iast_section_nunber)for (j=0;jstuffing_byte
if(section_syntaxindi catoro)(checksum
el se t
aRC_32
datagramsection
tableid 8
0x3日
section_syntaxindexindi catorpri vat e_i ndi cat or
reserved 2
secti on I engt h
MAC addr ess [ 1
MAC_addr ess_1
MAC_addr ess_6
MAC_address
ISO IEC 13818-6)
I SOIEC 13818-6
ISOIEC13818-6
ISOIEC13818-6
MAC_addr ess_6
MAC_addr ess_1
address_scrantbling_control
TYKAONYKACA
GYIT201
uinsbf
bsl bf
bsl bf
ui nsbf
rpchof
GYIT2012004
tableid
section
Tength
payl oad_scanbl i ng_cont rol 2CRC32
astsection
nunber
section
payl oad scanbl i ng_cont rol4
Payl oad_scanbl ing_cont rol00
addr ess_scr anbl i ng_cont rol2
5address_scranblingcontrol
Address_scranbl ing_cont rol00
LLCSNAPfIag
LLaSNAP
LLOSNAP
MAC_ addr ess_1
current next indi cat or
section nunber
last section nunber8
LLCSNAP
GB/T15629.2
LLaSNAP
payl oad_scranbl i ng_mode)
MAC addr ess_1
MAC addr ess_ 1
GBIT 15629.1
IP dat agr am dat a byt e
payl oad_scr anbl i ng_node),st uf fi ng_byt e
payl oad_scr anbl i ng_node),St uf fi ng_ byt e
checksum
CRC_32
ISOIEC13818-6
ISIEC13818-6
data broadcast identifier
dat abroadcast_descript or
dat agr am sect i on
dat agr am sect i on
dat a broadcast_descri pt orconponent _t ag
PM streami dentifier descript or4. 3.2. 1 dat a broadcast i dentifier descri pt ordatabroadcastidentifier descriptordat a broadcast id
conponent _t ag
component _t ag
sel ect or I engt h
sel ector byte
0x0005
GY T2012004
component_t ag
conponent _t ag
PM streami dentifier descript ormul ti pr ot ocol _encapsul at i on i nf o6 mul ti prot ocol encapsul ati on inf omultiprotocol_encapsulationinfo()（MAC address_range
MACIP_mapping_flag
al ignmentindi cat or
reserved
nax_sections_per_datagram
mul tiprot ocol encapsul ati on i nf oMAC_address_range 3
MAC address
FTTKAONYKACa-
uinsbf
bsl bf
bsl bf
bsl bf
uinsbf
小提示：此标准内容仅展示完整标准里的部分截取内容，若需要完整标准请到上方自行免费下载完整标准文档。