CN109451259A - Tv line, television system and data capture method of televising - Google Patents
Tv line, television system and data capture method of televising Download PDFInfo
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- CN109451259A CN109451259A CN201811389666.5A CN201811389666A CN109451259A CN 109451259 A CN109451259 A CN 109451259A CN 201811389666 A CN201811389666 A CN 201811389666A CN 109451259 A CN109451259 A CN 109451259A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42676—Internal components of the client ; Characteristics thereof for modulating an analogue carrier signal to encode digital information or demodulating it to decode digital information, e.g. ADSL or cable modem
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Abstract
The present invention provides a kind of tv line, television system and data capture methods of televising；Wherein, tv line includes master chip, memory, message recipient, USB interface and HDMI interface；Tv line is connect by USB interface with set-top box；Tv line is connect by HDMI interface with television set；Message recipient is used to receive the first request of data of user's transmission；Master chip is used to generate the second request of data, and the second request of data is sent to set-top box according to the first request of data；Master chip is also used to be decoded the first feedback data that set-top box returns, and the second feedback data that decoding obtains is sent to television set, so that the second feedback data of television for play；Memory for store the first feedback data and or the second feedback data.Present invention preserves the abilities that set-top box obtains data, support a variety of decoded tv lines of data format to improve data decoding capability by increasing, to reduce the cost of television system update.
Description
Technical field
The present invention relates to television set intelligently field of terminal technology, broadcast more particularly, to a kind of tv line, television system and TV
Put data capture method.
Background technique
Digital video switching box (Set Top Box) abbreviation STB, commonly referred to as box on set-top box or machine are a connections
The equipment of television set and outside source.The digital signal of compression can be changed into television content by it, and be shown on a television set
Out.However, there is second generation AVS standard (AVS2) with the higher demand to screen clarity, which is primarily answered
It is ultrahigh resolution video with target, supports the Efficient Compression of ultrahigh resolution (4K or more), high dynamic range video；It is existing
Set-top box can not be decoded conversion to the video based on AVS2 standard, and the set-top box higher cost more renewed.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of tv line, television system and data recipients of televising
Method, to reduce the cost of television system update.
In a first aspect, the tv line connects with set-top box and television set respectively the embodiment of the invention provides a kind of tv line
It connects；Tv line includes master chip, memory, message recipient, USB (Universal Serial Bus, universal serial bus)
Interface and HDMI (High Definition Multimedia Interfac, high-definition multimedia interface) interface；Master chip
It is connect respectively with memory, message recipient, USB interface and HDMI interface；Tv line is connect by USB interface with set-top box；
Tv line is connect by HDMI interface with television set；Message recipient is used to receive the first request of data of user's transmission；Main core
Piece is used to generate the second request of data, and the second request of data is sent to set-top box according to the first request of data；Master chip is also
For being decoded to the first feedback data that set-top box returns, the second feedback data that decoding obtains is sent to television set,
So that the second feedback data of television for play；Memory for store the first feedback data and or the second feedback data.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein on
Stating master chip includes singlechip chip.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein on
State memory include flash memory and or Double Data Rate synchronous DRAM.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein on
Stating tv line further includes status indicator lamp；Status indicator lamp is connect with master chip；Status indicator lamp is for receiving master chip transmission
Control instruction, with the working condition of display TV line；Working condition includes abnormal work or normal work.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein on
Stating tv line further includes Bluetooth Receiver.
Second aspect, the embodiment of the present invention also provide a kind of television system, tv line, machine top including preceding claim
Box and television set；Tv line is connect with set-top box and television set respectively；The first data that tv line is used to receive user's transmission are asked
It asks, and according to first request of data, generates the second request of data；Set-top box is used for according to the second request of data, return pair
The first feedback data answered；Tv line is also used to be decoded the first feedback data, generates the second feedback data, anti-by second
Feedback data are sent to television set, and television set is for playing the second feedback data.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein on
It states tv line and is carried out data transmission with set-top box using Upnp/HTTP/XML agreement.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein on
The system of stating further includes USB connecting line and HDMI connecting line；HDMI connecting line is used to connect the HDMI interface and television set of tv line
HDMI interface；USB connecting line is used to connect the USB interface of tv line and the USB interface of set-top box.
The third aspect, the embodiment of the present invention also provide one kind and televise data capture method, and this method is applied to above-mentioned
Television system；This method comprises: tv line receives the first request of data that user sends, and according to first request of data,
Generate the second request of data；Set-top box returns to corresponding first feedback data according to the second request of data；Tv line is anti-to first
Feedback data are decoded, and generate the second feedback data, the second feedback data is sent to television set；Television for play second is fed back
Data.
In conjunction with the third aspect, the embodiment of the invention provides the first possible embodiments of the third aspect, wherein when
When set-top box can not obtain the second request of data corresponding data, this method further include: set-top box returns preset to tv line
Error code；Error code is sent to television set by tv line, so that television set shows the error code.
The embodiment of the present invention bring it is following the utility model has the advantages that
The embodiment of the invention provides a kind of tv line, television system and data capture methods of televising；Tv line is logical
USB interface is crossed to connect with set-top box；Tv line is connect by HDMI interface with television set；Message recipient receives what user sent
First request of data；Master chip generates the second request of data according to the first request of data, and the second request of data is sent to machine
Top box, the first feedback data then returned to set-top box are decoded, and the second feedback data that decoding obtains is sent to electricity
Depending on machine, so that the second feedback data of television for play；Memory store the first feedback data and or the second feedback data.The party
Formula remains the ability that set-top box obtains data, supports a variety of decoded tv lines of data format to improve data solution by increasing
Code ability, to reduce the cost of television system update.
Other features and advantages of the present invention will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implementing above-mentioned technology of the invention it can be learnt that.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, better embodiment is cited below particularly, and match
Appended attached drawing is closed, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of tv line provided in an embodiment of the present invention；
Fig. 2 is the functional block diagram of another tv line provided in an embodiment of the present invention；
Fig. 3 is the software architecture structure chart of 4K tv line software provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of television system provided in an embodiment of the present invention；
Fig. 5 is the network structure of middleware machine top box provided in an embodiment of the present invention or home gateway；
Fig. 6 is that the network structure of middleware machine top box provided in an embodiment of the present invention divides figure；
Fig. 7 is middleware machine top box software system architecture figure provided in an embodiment of the present invention；
Fig. 8 is middleware machine top box provided in an embodiment of the present invention and 4K tv line system data flow diagram；
Fig. 9 is the service system structure figure of middleware machine top box provided in an embodiment of the present invention；
Interface diagram of the Figure 10 between middleware machine top box provided in an embodiment of the present invention and 4K tv line；
Figure 11 is the linking relationship figure of 4K tv line provided in an embodiment of the present invention and middleware machine set top box device；
Figure 12 is the interface that 4K tv line provided in an embodiment of the present invention obtains live video resource from middleware set-top box
Method of calling schematic diagram；
Figure 13 is the interface that 4K tv line provided in an embodiment of the present invention obtains video on demand resource from middleware set-top box
Method of calling schematic diagram；
Figure 14 is that 4K tv line provided in an embodiment of the present invention is managed schematic diagram to middleware set-top box；
Figure 15 is a kind of flow chart for data capture method of televising provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, with the higher demand to screen clarity, there is second generation AVS standard (AVS2), the standard it is primary
Application target is ultrahigh resolution video, supports the Efficient Compression of ultrahigh resolution (4K or more), high dynamic range video；It is existing
Set-top box can not be decoded conversion to the video based on AVS2 standard, and the set-top box higher cost more renewed is based on this,
The embodiment of the invention provides a kind of tv line, television system and data capture methods of televising, and can be applied to digital electricity
Depending on field.
One, tv line
To be carried out first to a kind of tv line disclosed in the embodiment of the present invention detailed convenient for understanding the present embodiment
It introduces.
A kind of structural schematic diagram of tv line shown in Figure 1, the tv line are connect with set-top box and television set respectively；
Tv line includes master chip 10, memory 11, usb 12, HDMI interface 13 and message recipient 14；Master chip 10 respectively with
Memory 11, usb 12, the connection of HDMI interface 13 and message recipient 14；Tv line is connected by usb 12 and set-top box
It connects；Tv line is connect by HDMI interface 13 with television set；The first data that message recipient 14 is used to receive user's transmission are asked
It asks；Master chip 10 is used to generate the second request of data, and the second request of data is sent to machine top according to the first request of data
Box；Master chip 10 is also used to be decoded the first feedback data that set-top box returns, the second feedback data that decoding is obtained
It is sent to television set, so that the second feedback data of television for play；Memory 11 for store the first feedback data and or second
Feedback data.
Specifically, above-mentioned first request of data can be the message recipient that user is sent to tv line by client
Operational order；The message recipient can be the devices such as Bluetooth Receiver or infrared remote receiver；At this point, in corresponding client
The corresponding bluetooth communication module of setting or infrared transmission module etc. in (such as mobile phone, tablet computer or remote controler)；The prior art is
Set-top box is directly connected to television set；Set-top box realizes request of data and the decoded process of data；And mainly pass through in the present invention
Tv line realizes that data decoding procedure, the master chip of tv line generate the second request of data according to the first request of data, so that
Set-top box only realizes the function of returning to corresponding data, without being decoded to data；The master chip of tv line returns set-top box
The data returned are decoded, which includes the decoding descrambling procedure of audio and video；Decoded data are led to later
It crosses HDMI interface and is sent to television set, so that the decoded data of television for play.
Above-mentioned master chip can be singlechip chip, such as use ARM (the Advanced RISC of model Cortex-A9
Machines, Advanced Reduced Instruction Set processor)；Above-mentioned memory can store for flash memory or Double Data Rate synchronous dynamic random
Device, can also both have both；When receiving the data of set-top box return, which be can store in memory, master chip
During being decoded, decoded data can be stored in memory.
The embodiment of the invention provides a kind of tv lines；Tv line is connect by USB interface with set-top box；Tv line passes through
HDMI interface is connect with television set；Message recipient receives the first request of data that user sends；Master chip is according to the first data
Request generates the second request of data, and the second request of data is sent to set-top box, the first feedback then returned to set-top box
Data are decoded, and the second feedback data that decoding obtains are sent to television set, so that the second feedback data of television for play；
Memory store the first feedback data and or the second feedback data.Which remains the ability that set-top box obtains data, passes through
Increase support a variety of decoded tv lines of data format to improve data decoding capability to reduce television system update at
This.
The embodiment of the invention also provides another 4K tv line (English names: TV dongle), and the tv line is in Fig. 1
Shown on the basis of realize；The tv line includes master chip, Bluetooth Receiver, USB interface, HDMI interface, Flash (flash memory) and
DDR (Double data rate SDRAM, Double Data Rate synchronous DRAM)；Above-mentioned Bluetooth Receiver and master chip
Connection；Bluetooth Receiver is used to receive the request of data that user sends by the inclusion of the client of bluetooth communication module；The TV
The functional block diagram of line as shown in Fig. 2, master chip obtains the network information and power supply by USB interface, by HDMI interface with
Television set carries out data transmission, and receives request of data by Bluetooth Receiver；During decoded, master chip and Flash and
DDR carries out data transmission.
Further, above-mentioned tv line further includes status indicator lamp；Status indicator lamp is connect with master chip；Status indicator lamp
For receiving the control instruction of master chip transmission, with the working condition of display TV line；Working condition includes abnormal work or just
Often work.
In the actual implementation process, a 4K tv line product can be established using system configuration shown in table 1.
Table 1
4K tv line software uses android system, layering knot of the software architecture based on Android intelligent operating system
Structure, as shown in Figure 3.Software architecture is top-down to be divided into application layer, application library, ccf layer, hardware abstraction layer, Linux operation system
System.
(1) application layer includes the main application of large-size screen monitors APK, VOD (video on demand) application, Web (network) application, OTT (Over
The Top) it is applied using with game (game).
(2) application library layer includes the library NGB (Next generation broadcasting network) Java (libraries), Android application library
(Android Application Libraries) and Android Java system service (Android System
Services)。
(3) ccf layer includes NGB system service (system service) and Android ccf layer (Framework).
(4) hardware abstraction layer includes transplanting layer interface (porting) and the support Android behaviour for supporting NGB system service
Make the hardware abstraction layer (Android Hardware Abstract Layer) of system.
4) (SuSE) Linux OS includes linux kernel (Kernel), file system, hardware driving (Driver) and system
Tool.
Two ways: IP (Internet Protocol, net association) upgrading, OTA is supported in the software upgrading of 4K tv line
(Over-the-Air Technology, space download technology) upgrading.Wherein IP of the scheme of IP upgrading with middleware machine top box
Upgrading is consistent；OTA upgrading scheme is consistent with the OTA upgrading of middleware machine top box.
Above-mentioned 4K tv line can carry out data transmission with set-top box and television set, and can data to various formats into
Row decoding；When using new data type in television system, it is only necessary to update corresponding tv line, cost is relatively low.
Two, television system
The embodiment of the present invention also provides a kind of television system, and structural schematic diagram is as shown in figure 4, the system includes above-mentioned
Tv line (also referred to as 4K tv line) 40, set-top box 41 and television set 42；Tv line 40 respectively with set-top box 41 and television set 42
Connection；Tv line 40 is used to receive the first request of data of user's transmission, and according to first request of data, generates the second number
According to request；Set-top box 41 is used to return to corresponding first feedback data according to the second request of data；Tv line 40 is also used to
One feedback data is decoded, and generates the second feedback data, the second feedback data is sent to television set, television set 42 is for broadcasting
Put the second feedback data.
System in the embodiment of the present invention in set-top box contains middleware, therefore set-top box is also known as middleware machine top box；
Usually, the network structure of middleware machine top box can be indicated by Fig. 5, and it is as shown in Figure 6 that network structure divides figure；Specifically
It is as follows:
(1) network interface of set top box main chip is connected with the LAN0 of internal routing module, and the ip of LAN0 is fixed as
192.168.88.2；
(2) internal routing default uses WAN0, and after CM online success, the IP of WAN0 is obtained by CM forward end DHCP
IP, it is desirable that have the Option60 field of radio and TV operator；
(3) USB of set top box main chip is the USB network interface for connecting 4K tv line, can be automatic when 4K tv line equipment is inserted into
It generates, whether middleware machine top box can be monitored in real time the generation of USB network interface, when USB device is effective, can will be bridged to
On eth0, the IP of USB is by internal route assignment IP.
Middleware machine top box software systems use modularization, hierarchical design, are divided into four layers from top to bottom: application service
Layer, service supporting environment layer, functional module layer, Linux& drive layer, middleware machine top box software system architecture figure such as Fig. 7 institute
Show.
Specifically, the function of application service layer are as follows: middleware machine top box in actual operation, itself has no interface, mainly
Function provides 4K tv line by way of service, including DMS (the Digital Media clothes operated on middleware machine top box
Business), local management service and other expansion services (such as: unilateral ad service).
Specifically, performing environment needed for service supporting environment mainly provides application service operation, including Java Virtual Machine
(Java Runtime Environment), Web service engine, NGB-J development kit and other expand and develop packet.
Specifically, each corn module needed for functional module layer mainly provides the operation of middleware machine set-top box system, packet
Include: DVB module group completes live streaming, program request, CA (Conditional Access, Conditional Access), EPG (Electronic
Program Guide, electronic program guides) etc. functions；Management module group completes the resource management of middleware machine top box, equipment pipe
The management functions such as reason, log management.
Linux& drives layer: mainly including that (SuSE) Linux OS and platform drive, is the base of middleware machine top box operation
Plinth, including master chip driving and various network-drivens.
Middleware and 4K tv line system data flow are as shown in Figure 8；Wherein, the TS fluxion of live streaming or program request is represented in figure
According to the modules such as demodulated, demultiplexing, descrambling, IP distribution, HTTP service are finally supplied to 4K TV with the data format of IP
Line uses.The data such as EPG, CA information are supplied to 4K tv line with http protocol and use after obtaining in code stream.
Each subsystem, intermodule are communicated inside middleware machine top box with IP agreement, and common IP data are in set-top box in figure
The basic IP communication data of each subsystem, intermodule inside middleware machine top box.
The main comprising modules of data portion are CM, router/switch etc., IP data function module predominantly in figure.4K
Tv line accesses broadband IP data or access broadcasting and TV Intranet IP video, the live video of middleware machine top box forwarding etc., the road Jun Cong
Passed through by device/interchanger.
In the network planning, 4K tv line network is with the Dynamic Host Configuration Protocol server (DHCP- in figure inside middleware machine top box
Home) based on dynamic IP address allocation.All data that middleware machine top box provides 4K tv line, service are IP agreement,
External interface uses USB interface, and the IP address of 4K tv line is from the Dynamic Host Configuration Protocol server dynamic acquisition IP inside middleware set-top box.
The service system structure of middleware machine top box is as shown in figure 9, include front end system, 4K tv line and middleware machine top
Box three parts.
Middleware machine top box externally (carrier network) interface include front end DVB (DigitalVideoBroadcasting,
Digital video broadcasting) live video interface (SI-Specific Information specific information/PSI-Program
Specific Information program specific information/TS-Transport stream transmitting stream) middleware machine top box and tradition
Special interface is not needed between digital TV front-end, and DVB TS stream is equally accessed with conventional set-top box, parses SI/PSI data,
Realize the functions such as EPG, CA.
Middleware machine top box uses RTSP (Real Time same as conventional set-top box with agreement before the front end VOD
Streaming Protocol, real time streaming transport protocol) agreement；But the access of the films metadata such as poster, brief introduction is used
Standard NGOD (Next Generation On Demand Video Architecture, video-on-demand service of new generation
Basic framework) A7 interface, A7 interface is directly passed through by middleware machine top box and obtains data, rather than with traditional access Portal
A kind of (website) page mode.
The interface of communication video data between 4K tv line and middleware machine top box mainly uses Upnp (Universal
Plug and Play, universal plug and play)/HTTP/XML (extensible markup language) agreement, interface completion, including be broadcast live and connect
Mouth (HTTP/JSON-JavaScript Object Notation, JS object numbered musical notation), program request interface (HTTP/JSON) and system
Information interface (HTTP/JSON).
When 4K tv line accesses IP video platform, the http protocol of standard is directlyed adopt, at this point, middleware machine top box is main
Channeling is played, any service interaction is not involved in.
Middleware machine top box can be used various ways and be upgraded, including OTA mode, IP mode, USB mode etc..Wherein,
OTA mode is conventional set-top box mode, using DC (Data Carousal, data carousel)/OC (Object Carousal, it is right
As turntable) agreement cooperation SI descriptor mode complete；IP upgrading mainly uses http protocol；USB upgrading mainly uses USB flash disk centering
Between part set top box upgrading, make house calls use for operation maintenance personnel.
Between 4K tv line and middleware machine top box local management (middleware set top box information inquiry, status inquiry and
Monitoring, program searching) interface is capable of supporting several protocols, including Upnp, HTTP/XML/JSON etc., visitor is installed on 4K tv line
Family end software opens the mode of browser directly to access middleware machine top box.
Interface scheme between middleware machine top box and 4K tv line mainly uses HTTP+XML technology to realize, such as Figure 10 institute
Show, specific interactive process is as follows:
In the above scheme, DMS only provides media url, and 4K tv line player directly passes through the url to middleware machine top
Box end request data, DMS do not provide media transmission control.The realization of 4K tv line is with regard to fairly simple in this way, it is only necessary to a DMC
Add a player can.And only it is used as a media server offer to broadcast with middleware set top box side in playing process
Put data, it is possible to reduce network burden in the work load and local area network of middleware machine set top box device.
Middleware machine top box and 4K tv line pass through DLNA/UpnP protocol access network network environment, middleware machine top box conduct
DMS equipment in DLNA agreement, and 4K tv line is as DMR or DMP equipment.Middleware machine top box DMS provides for 4K tv line
Control directory services (CDS) need to realize a DLNA device control point (CP) in 4K tv line equipment, and it is intermediate to pass through CP browsing
Media content in part set-top box CDS obtains the resource link of media content, and passes through resource link browsing, downloading, broadcasting
Media content in CDS.
The linking relationship of 4K tv line and middleware machine set top box device is as shown in figure 11；
1.4K tv line initiates UPnP request, the media content in browsing and selection middleware machine top box DMS.
2.4K tv line obtains the link that media content plays.
3.4K tv line passes through HTTP link transmission media content.
Live broadcast service is accomplished by the following way: middleware machine top box DMS (Database Management System,
Data base management system) live streaming is provided in CDS (Content Distribution Service, content distribution service)
Channel container (Container), the container include all direct broadcast band nodes (Item) on middleware machine top box.Each node is retouched
Title, logo resource, place frequency point, the original network identification of live broadcast service, the transport stream identification, business mark of direct broadcast band are stated
Know and play the HTTP link URL of the channel.
4K tv line is described by the XML that the SOAP interface that CDS is provided obtains direct broadcast band container, and therefrom parses institute
There are the associated metadata (MetaData) and broadcasting link of direct broadcast band.One of direct broadcast band may be selected in 4K tv line
HTTP link plays out.
In playing process, for direct broadcast band, playing control includes that starting plays and stops playing.It is played in starting
When, 4K tv line initiates HTTP-GET request, middleware machine top box to middleware machine top box WebServer (network service)
When WebServer live streaming module receives the HTTP-GET request of live streaming link, forwarding module Shen is flowed to middleware machine top box TS
It please open (Open) and play channel, while start the forwarding of TS stream.Module is broadcast live from the associated pipeline of HTTP link in WebServer
The forwarding data that TS stream is obtained in file, are then sent directly to 4K tv line.
Stopping playing includes two kinds of situations, first is that the link of 4K tv line and middleware machine top box WebServer surpasses
When, at this moment WebServer actively closes socket link, before closing link, flows forwarding module to middleware machine top box TS
Application closes (Close) and plays channel, and TS flows forwarding channel and is accordingly turned off at this time, resource release；Second situation is 4K TV
Line actively exits broadcasting, closes the socket of broadcasting link, and middleware machine top box WebServer detects the pass client socket
After closing, is closed to middleware machine top box TS stream forwarding module application and play channel, processing mode is identical with the first situation.
Program searching and sequence are accomplished by the following way: program searching is according to the middleware in place province in prefectures and cities
Using the demand that compatible prefectures and cities sort to program, can use the allocation list scheme of middleware: middleware set-top box background is answered
With passing through unidirectional or two-way download configuration table；Middleware machine top box background application parses allocation list；4K tv line is by hereinafter
The EPG of description obtains interface and obtains programme information；Program, which sorts, can pass through allocation list from front end according to the scheme of allocation list
Mode issues programme information, and the information that program in allocation list sorts is supplied to 4K tv line by middleware machine top box.
The support of middleware machine top box finds EPG business by HTTP and UPnP two ways.
HTTP mode is as follows: comprising obtaining EPG in the direct broadcast band container (Container) in middleware machine top box DMS
The URL of the HTTP interface of data, the URL are the entrances of M2 interface, and 4K tv line can obtain EPG number by M2 interface in real time
According to, including current subsequent programme information, programming events table information, program abstract etc..
UPnP mode is as follows: in middleware machine top box DMS CDS comprising a channel group container (channelGroup) and
One EPG container (epgContainer).All live video channels are contained in channel group container
(videoBroadCast:item) and live audio channel (audioBroadCast:item)；EPG container describes and channel
The group associated EPG information of container mid band, an EPG container may include the sub- container of multiple single channel EPG informations of description,
And an EPG container passes through epgItem:Item (or its subclass videoProgram and audioProgram) then to describe one
All EPG informations in a channel.
The mode of client discovery EPG business follows UPnP standard, referring to " UPnP-av-ContentDirectory-
v4》。
Middleware machine top box is supported to obtain EPG information by HTTP and UPnP two ways.
HTTP mode is as follows: 4K tv line obtains EPG data by M2 interface.Middleware machine top box WebServer is received
When to M2 interface requests, EPG data is obtained from DVB service, EPG data is then organized into XML format, returns to 4K TV
Line.The settable condition of 4K tv line inquires EPG, including program three elements, frequency point, EPG number, beginning and ending time etc..
UPnP mode is as follows: by UPnP mode, 4K tv line passes through the frequency in middleware machine top box DMS CDS server
Road group container (channelGroup) obtains all direct broadcast band information, is obtained by EPG container (epgContainer)
The EPG information of the direct broadcast band stored in middleware machine top box, referring to " UPnP-av-ContentDirectory-v4 "
C.2.2.6 it saves.4K tv line can search for the letter of the EPG in live stream by UPnP CDS:FreeFormQuery () interface
Breath is specifically described and is saved referring to " DLNA-Architectures_and_Protocols " 7.4.6.7.
4K tv line obtains the interface of live video resource, EPG data from middleware set-top box.Interface method of calling is as schemed
Shown in 12；4K tv line runs DLNA/DMP application, which passes through DLNA/Browse interface comprising the control point DLNA (CP)
The direct broadcast band list in middleware machine top box DMS/CDS is browsed, the HTTP link of direct broadcast band is obtained, calls 4K tv line sheet
Live stream in ground player plays direct broadcast band HTTP connection.
The EPG information of direct broadcast band is obtained by the HTTP interface based on XML format, initiates the address URL of HTTP interface
It is described by the EPG resource node of direct broadcast band.
It can also include USB connecting line and HDMI connecting line in above system；HDMI connecting line is for connecting tv line
The HDMI interface of HDMI interface and television set；USB connecting line is used to connect the USB interface of tv line and the USB interface of set-top box.
The physical interface for obtaining EPG information is defined as follows:
XML format is encoded using utf-8:<? xml version=" 1.0 " encoding=" utf-8 "?>.
Interface is initiated by HTTP POST method, and request format follows HTML standard agreement, the URL link of interface are as follows:
http://<Gateway Host Name or IP>/dvb/epg。
The HTTP Response Status of middleware machine top box Web service end response is divided to for two kinds of situations:
1. server-side can with user client communication before the exception that is occurred, HTTP Response Status is standard
State；
2. server end is normal and user client communication, two kinds of HTTP Response Status can be generated
400 (illegal requests): if client request method name it is incorrect or without or XML format not just
Really or parameter is illegal, then returns to this state；
200: server returns to this state after being handled the parameter of client request.
If interface calls successfully, correct XML format or no message body are returned；
It is unified to return if interface malloc failure malloc:
<? xml version='1.0'? encoding=" UTF-8 ">
<ErrorResponse code="<error code>" message="<error description>">
ErrorResponse XML element format is as shown in table 2.
Table 2
| Title | Type | Description | It uses |
| ErrorResponse | Element | 1 | |
| code | Attribute, String | Error code | 1 |
| message | Attribute, String | Error description | 1 |
Error code/error description is defined as: the EPG information of 401 programs is not present；500 other unknown errors.
The interface definition for obtaining EPG programming events table process will hereinafter be described.
EPG programming events table information is obtained first；It include a programme televised live root in middleware machine top box DMS CDS description
Two sub- containers: direct broadcast band list container (Container are included below in container (Container " Live "), root container
" ChannelList ") and business group-list container (Container " BouquetList ").Direct broadcast band list container includes
All live program channel child nodes, business group-list container include all business group child nodes.
The entry address of 1.EPG interface is determined by the res element that the id in LIVE Container is " epg ", obtains EPG
The entry address of M2 interface are as follows: http://gw-server/dvb/epg/
2. providing that business group child node element<X_bouquet_id>value is the business group pair in DVB PSI/SI agreement
The bouquet_id answered.
3. providing that business group daughter element<dc:title>necessary value is that the business group is corresponding in DVB PSI/SI agreement
Business group title.
4. direct broadcast band by item element<X_bouquet>description business group id be associated with business group, when one directly
When broadcasting channel and belonging to multiple business groups, business group id is separated with comma ().
5. the broadcast address of direct broadcast band is true by the res element of the programme televised live node (item) in LIVE Container
It is fixed, such as broadcast address of " CCTV-1 " are as follows:
http://gw-server/dvb/live_355000_1_2_1.mp4
6.DMS and middleware machine top box arrange live stream broadcast address, format are as follows:
http://<gw-server>/dvb/live_<freq>_<onid>_<tsid>_<sv_id>[_<vpid>_<
vtype>_<apid>_<atype>].mp4
Wherein:
<gw-server>is the address ip and port of middleware machine top box WebServer；
<freq>is the frequency point of direct broadcast band, unit kHz, decimal representation；
<onid>is the original network identification of direct broadcast band, decimal representation；
<tsid>is the transport stream identification of direct broadcast band, decimal representation；
<svid>is the service identification of direct broadcast band, decimal representation；
<vpid>is the video TS PID of direct broadcast band, decimal representation, optional parameters；
<vtype>is the video stream format of direct broadcast band, and M.2.11.1 value saves " constant referring to NGB middleware specification the
Domain -- video stream format ", optional parameters；
<apid>is the audio TS PID of direct broadcast band, decimal representation, optional parameters；
<atype>is the video stream format of direct broadcast band, and M.2.10.1 value saves " constant referring to NGB middleware specification the
Domain -- audio stream format ", optional parameters；
When middleware machine top box WebServer receives live stream http request, freq, onid are parsed from url,
Tetra- parameters of tsid, svid, while generating tcp data for the live streaming stream link and sending pipeline, by this four parameters and pipe name
Title submits to middleware machine set top box module, and middleware machine set top box module continues according to parameter locked frequency point, mistake filter data, by data
It is forwarded in pipeline.
If realizing and quickly cutting platform, avoid obtaining video and audio pid and stream format from stream, need incoming in url parameter
Tetra- parameters of vpid, vtype, apid, atype.
DVB live video UPnP interface: 4K tv line obtains direct broadcast band information, interface definition ginseng by channel group container
See " UPnP-av-ContentDirectory-v4 " C.2.2.5；4K tv line obtains the EPG letter of direct broadcast band by EPG container
Breath, interface are defined referring to " UPnP-av-ContentDirectory-v4 " C.2.2.6；4K tv line passes through CDS:
FreeFormQuery () interface is defined to EPG service search EPG information, interface referring to " DLNA-Architectures_and_
Protocols》7.4.6.7。
4K tv line obtains video on demand resource and playback interface from middleware set-top box.Interface method of calling such as Figure 13 institute
Show.4K tv line runs DLNA/DMP application, which passes through DLNA/Browse interface navigation comprising the control point DLNA (CP)
Program request link resources in middleware machine top box DMS/CDS, obtain the link of NGOD A7 interface proxy and program request plays Quality Initiative
It connects.
4K tv line by A7 interface from navigation server (being acted on behalf of by middleware machine top box) obtain VOD column content,
Column association content, user's usage record, the favorites list, matchmaker provide details, user's grant column list, addition/deletion collection, delete and go through
Records of the Historian record, the pricing information of commodity, time shifting channel list, program listing list, program correlation information, program request seniority among brothers and sisters.Interface definition
It is standardized referring to " Guangdong Province net-A7 and its expansion interface specification V1.8-20130416-1 ".
4K tv line realizes the broadcasting control of program request by the HTTP interface based on XML format, initiates HTTP interface
The address URL is described by DMS.4K tv line program request interface is XML format, is encoded using utf-8: <? xml version=" 1.0 "
Encoding=" utf-8 "? >.
Interface is initiated by HTTP POST method, and request format follows HTML standard agreement, the URL link of interface are as follows:
http://<Name or IP>/m1
The HTTP Response Status of middleware machine top box Web service end response is divided to for two kinds of situations:
Server-side can with user client communication before the exception that is occurred, HTTP Response Status is the shape of standard
State；
Server end is normal and user client communication, can generate two kinds of HTTP Response Status
400 (illegal requests): if client request method name it is incorrect or without or XML format not just
Really or parameter is illegal, then returns to this state；
200: server returns to this state after being handled the parameter of client request.
If interface calls successfully, correct XML format or no message body are returned；
It is unified to return if interface malloc failure malloc:
<? xml version='1.0'? encoding=" UTF-8 ">
<GatewayServerErrorResponse code="<error code>" message="<error description>"/>
GatewayServerErrorResponse
Wherein, the meaning of each element is as shown in table 3.
Table 3
Error code/error description definition: 401 indicate that TS flows retransmission failure, and 500 indicate other unknown errors.
The request format that the configuration information of middleware machine top box 4K tv line is obtained in xml format is as follows, wherein respectively
The meaning of element is as shown in table 4:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
<GetConfig/>
Table 4
For in xml format, the response format for obtaining the configuration information of middleware machine top box 4K tv line is as follows, wherein respectively
The meaning of element is as shown in table 5:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
12345 " client=" of < GetConfigReult deviceId=", 123 " caRegionCode=" 1 "
1 " account=" of userType=", 12345678 " customerGroup=", 1 " areaCode=" 1 "/>
Table 5
For in xml format, the request format that request middleware machine top box plays some VOD program is as follows, wherein each member
The meaning of element is as shown in table 6:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
<RequestPlay purchaseToken=" 111111 "/>
Table 6
For in xml format, the response format that request middleware machine top box plays some VOD program is as follows, wherein each member
The meaning of element is as shown in table 7:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
< RequestPlayReult clientSessionId=" 00AF123456DE0000001 " playUrl="
http://gw-server/vod/1.mp4”/>
Table 7
| Title | Type | Description | It uses |
| RequestPlayResult | Element | The root element of XML response | 1 |
| clientSessionId | Attribute, String | Return to program request session identification | 1 |
| playUrl | Attribute, String | The HTTP forwarding flow URL of VOD request program | 1 |
For in xml format, the request format for starting to play some VOD program is as follows, wherein the meaning of each element such as table 8
It is shown:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
< Play clientSessionId=" 00AF123456DE0000001 " range=" 0.0- " scale="
1.0”/>
Table 8
For in xml format, the response format for starting to play some VOD program is as follows, wherein the meaning of each element such as table 9
It is shown:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
<PlayReult/>
Table 9
| Title | Type | Description | It uses |
| PlayResult | Element | The root element of XML response | 1 |
For in xml format, the request format that pause plays some VOD program is as follows, wherein the meaning of each element such as table
Shown in 10:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
<Pause clientSessionId=" 00AF123456DE0000001 "/>
Table 10
For in xml format, the response format that pause plays some VOD program is as follows, wherein the meaning of each element such as table
Shown in 11:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
<PauseReult/>
Table 11
| Title | Type | Description | It uses |
| PauseResult | Element | The root element of XML response | 1 |
For in xml format, the request format for stopping playing some VOD program is as follows, wherein the meaning of each element such as table
Shown in 12:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
<TearDown clientSessionId=" 00AF123456DE0000001 "/>
Table 12
For in xml format, the response format for stopping playing some VOD program is as follows, wherein the meaning of each element such as table
Shown in 13:
<? 1.0 " encoding=" UTF-8 " of xml version="?>
<TearDownReult/>
Table 13
| Title | Type | Description | It uses |
| TearDownResult | Element | The root element of XML response | 1 |
It include a VOD container (container) in middleware machine top box DMS CDS description, id is " VOD ".VOD container
Down include two dummy nodes: " NGOD-A7 " and " GW-M1 ", their property element res each provide NGOD A7 interface
With middleware machine top box M1 interface, http method is POST.
Middleware machine top box is supported to access NGOD video on demand service by UPnP interface.Middleware machine top box DMS is provided
One AVTransport service, allows 4K tv line to service the interface provided by AVTransport to browse and play NGOD
Video on demand service, physical interface definition follow UPnP specification: " UPnP-av-AVTransport-v3-Service-
20101231.pdf》
User can be used 4K tv line and be managed to middleware set-top box, and detailed process is as shown in figure 14.4K TV
Line runs DLNA/DMP application, which passes through DLNA/Browse interface navigation middleware machine top comprising the control point DLNA (CP)
Management Container in box DMS/CDS obtains the entrance url of middleware machine top box management control, then to this
Url initiates HTTP/JSON interface and calls, and JSON format describes interface parameters.
4K tv line obtains information to middleware machine top box by http interface, and passes through HTTP POST method to centre
Part set-top box initiate call, method entity part in the form of JSON character string transmission method parameter, middleware machine top box
The result of JSON character string forms is returned in the response of POST method.
Interface is initiated by HTTP POST method, and request format follows HTML standard agreement, the URL link of interface are as follows:
http://<Gateway Host Name or IP>/m3
The HTTP Response Status of middleware machine top box Web service end response is divided to for two kinds of situations:
1. server-side can with user client communication before the exception that is occurred, HTTP Response Status is standard
State.
2. server end is normal and user client communication, two kinds of HTTP Response Status can be generated.
400 (illegal requests): if client request method name it is incorrect or without or JSON format not
Correct or parameter is illegal, then returns to this state.
200: server returns to this state after being handled the parameter of client request.
The system is also able to achieve time management function, specific as follows: middleware machine top box is providing program stream repeating process
In, it may cause when normally TS can not be forwarded to flow for some reason, middleware machine top box will be provided by Web service
Socket is linked to DMS and is sent state event, and abnormal reason occurs in description.It is connect using (DLNA client) by DLNA event
Mouth subscribes to event to DMS, application after DMS receives the state event that middleware machine top box service is sent, to the event of subscription
Forward the event.Specific technical solution is as follows:
In socket link (TCP) between Web service and DMS, each data message includes an event.Event
Format is with JSON character string descriptor, general format are as follows:
Wherein eventType indicates event type, and field type is numeric type；Client-ip indicates the address client ip；
Url indicates program broadcast address, and field type is character string type；EventSubType is the subtype of event, and field type is
Numeric type.
Middleware machine top box is shown in Table 14 to the event type that DMS is sent.
Table 14
| Event title | Type definition value (eventType) |
| CA pop-up box event | 5100 |
| CA pop-up box hides event | 5200 |
| Program dead-air event | 5300 |
| Program restores event | 5400 |
| Signal loss-of-lock event | 5500 |
| Semaphore lock event | 5600 |
| Video playing event | 5700 |
| Program searching event | 5800 |
| Restore plant release event | 5900 |
| Allocation list update event | 6000 |
| Middleware machine top box IP-loader upgrade event | 6100 |
When CA module leads to not normally descramble for some reason, middleware machine top box server-side will be sent to application
The reason of CA pop-up box event, prompt can not normally descramble.Middleware machine top box service at this time will continue to send TS stream, but TS flows
It is without descrambling.
The event type (eventType) of CA pop-up box is 5100, and event subtype is shown in Table 15.Table 15
Event format is as follows:
{”eventType”:5100,
”client-ip”:”192.166.63.3”,
”url”:”http://192.166.63.2/dvb/live_338000_1_2_3_101_2_102_4.mp4”,
”eventSubType”:5101}
When CA module is restored from abnormal conditions, notifies 4K TV line concealing pop-up box, sent when into normal playing status
The event.
It is 5200 that CA pop-up box, which hides event type (eventType), event subtype 0；Event format is as follows:
{”eventType”:5200,
”client-ip”:”192.166.63.3”,
”url”:”http://192.166.63.2/dvb/live_338000_1_2_3_101_2_102_4.mp4”,
”eventSubType”:0}
The event is sent when front end stops broadcasting the TS stream of some program.When sending the event, middleware machine top box stops
Program TS stream only is sent to 4K tv line, but middleware machine top box cannot disconnect the link with 4K tv line, need front end
Heartbeat is sent to Web service every 30s.
Program dead-air event type (eventType) is 5300, event subtype 0；Time format is as follows:
{”eventType”:5300,
”client-ip”:”192.166.63.3”,
”url”:”http://192.166.63.2/dvb/live_338000_1_2_3_101_2_102_4.mp4”,
”eventSubType”:0}
The event is sent when front end restores and broadcasts the TS stream of some program.When sending the event, middleware machine top box is extensive
It is multiple to send program TS stream to 4K tv line.
It is 5400 that program, which restores event type (eventType), event subtype 0；Time format is as follows:
{”eventType”:5400,
”client-ip”:”192.166.63.3”,
”url”:”http://192.166.63.2/dvb/live_338000_1_2_3_101_2_102_4.mp4”,
”eventSubType”:0}
When middleware set-top box is switched to a new program, if the frequency point where program can not be locked, the thing should be sent
Part；During middleware set-top box is forwarding program, when there is signal losing lock, the event is sent.After sending the event,
Middleware machine top box stops sending program TS stream to 4K tv line, but middleware machine top box cannot disconnect and 4K tv line
Link needs front end to send heartbeat to Web service every 30s.
Signal loss-of-lock event type (eventType) is 5500, and event subtype is shown in Table 16.
Table 16
| Live signal loss-of-lock event | 5501 |
| Program request signal loss-of-lock event | 5502 |
Event format
{”eventType”:5500,
”client-ip”:”192.166.63.3”,
”url”:”http://192.166.63.2/dvb/live_338000_1_2_3_101_2_102_4.mp4”,
”eventSubType”:5501}
When middleware set-top box is from when relocking the frequency point where program in signal out-of-lock state, the event should be sent.
After sending the event, middleware machine top box continues to send program TS stream to 4K tv line.
Signal loss-of-lock event type (eventType) is 5600, and event subtype is shown in Table 17.
Table 17
| Live signal lock event | 5601 |
| Program request semaphore lock event | 5602 |
Event format is as follows:
{”eventType”:5600,
”client-ip”:”192.166.63.3”,
”url”:”http://192.166.63.2/dvb/live_338000_1_2_3_101_2_102_4.mp4”,
”eventSubType”:5601}
When middleware set-top box, which plays live streaming or order video, occurs abnormal, the event is sent.
After sending video on demand failure subevent, 4K tv line should disconnect the link with Web service, need to re-initiate a little
Broadcast request.
It sends after video on demand terminates subevent, 4K tv line should be disconnected to be linked with Web service
When number of clients reaches the upper limit on middleware set-top box, sends live streaming or program request and connect the event that transfinites
When live streaming audio-video pid or type carry mistake, live streaming address change event is sent, url is modified new
Request address is broadcast live.
Video playing event type (eventType) is 5700, and event subtype is shown in Table 18.
Table 18
| Video on demand failure | 5701 |
| Video on demand terminates | 5702 |
| Live streaming connection is transfinited | 5703 |
| Program request connection is transfinited | 5704 |
| Address change is broadcast live | 5705 |
Event format is as follows:
{”eventType”:5700,
”client-ip”:”192.166.63.3”,
”url”:”http://192.166.63.2/dvb/live_338000_1_2_3_101_2_102_4.mp4”,
”eventSubType”:5701}
When some client initiates program searching to middleware machine top box, other clients hair of the DMS to the event of subscription
Send program searching event.
Program searching event type (eventType) is 5800, and event subtype is shown in Table 19.
Table 19
| Program searching starting | 5801 |
| Program searching success | 5802 |
| Program searching failure | 5803 |
Event format is as follows:
{”eventType”:5800,
”client-ip”:”255.255.255.255”,
”url”:”*”,
”eventSubType”:5801}
When some client to middleware machine top box initiate factory reset after the completion of, DMS to subscribe to event other
Client, which is sent, restores plant release event.
Restoring factory event type (eventType) is 5900, event subtype 0.Event format is as follows:
{”eventType”:5900,
”client-ip”:”255.255.255.255”,
”url”:”*”,
”eventSubType”:0}
When allocation list updates, DMS sends allocation list update event to other clients of the event of subscription.
Allocation list update event type (eventType) is 6000, and event subtype is shown in Table 20.
Table 20
| Allocation list updates starting | 6001 |
| Allocation list is updated successfully | 6002 |
| Allocation list updates failure | 6003 |
Event format is as follows:
{”eventType”:6000,
”client-ip”:”255.255.255.255”,
”url”:”*”,
”eventSubType”:6001}
When middleware set-top box is upgraded by ip-loader, DMS sends middleware to other clients of the event of subscription
Set-top box IP-loader upgrade event.
Middleware machine top box IP-loader upgrade event type (eventType) is 6100, and event subtype is shown in Table 21.
Table 21
| Middleware machine top box IP-loader downloading starting | 6101 |
| Middleware machine top box IP-loader is downloaded successfully | 6102 |
| Middleware machine top box IP-loader failed download | 6103 |
| Middleware machine top box IP-loader starting and upgrading | 6104 |
| Middleware machine top box IP-loader download progress | 0-100 |
Event format is as follows:
{”eventType”:6100,
”client-ip”:”255.255.255.255”,
”url”:”*”,
”eventSubType”:6101}
After the completion of advertisement downloading application updates advertisement from front end on middleware set-top box, notify DMS to the event of subscription
Other clients send advertisement update event.
Middleware machine top box advertisement update event type (eventType) is 6200, and event subtype is middleware machine top
Box advertisement updates, code 6201；Under event format enters:
{”eventType”:6200,
”client-ip”:”255.255.255.255”,
”url”:”*”,
”eventSubType”:6201}
Middleware machine top box supports tri- kinds of upgrading modes of OTA, USB, IP, and OTA upgrading is monitored by background application to be upgraded, and will
Flash is written in upgrade information, and upgrade file downloading and programming are carried out after restarting；USB upgrading checks U by middleware set-top box background
Disk whether there is upgrade file, verify upgrade file, upgrade information is written and is restarted automatically middleware machine top box and complete upgrading；IP
Upgrading, which is monitored by background application by http protocol, to be upgraded and downloads upgrade file, carries out programming after restarting；USB upgrading is being switched on
When monitor its upgrading specification and defer to Guangdong existing middleware system upgrading specification, do not describe excessively here.Referring specifically to: it is " intermediate
Part specification-GCABLE-2011-001-D1.0-20110825 ", " 2.0 Version Specs of middleware-change part -20140414-
1 ", " southern medium set-top box Loader specification (final draft 2007-6-18) .pdf ".
Middleware set-top box application download scenarios support unidirectional, two-way two kinds of downloading modes, middleware set-top box background to answer
With realize application deployment configuration file obtain download parsing, using downloading, using installation and starting, to defer to Guangdong existing for specification
Middleware system application deployment specification, does not describe excessively here.Referring specifically to: " middleware specification-GCABLE-2011-001-
D1.0-20110825 ", " 2.0 Version Specs of middleware-change part -20140414-1 "
Middleware machine top box advertisement scheme is divided into unidirectional, two-way two schemes: bi-directional solution refers to the advertisement of Guangdong middleware
Scheme: in 4K tv line by independent background application by bilateral network complete advertisement configuration file and advertising resource downloading and
It updates；Main application carries out the display of advertisement according to the description of advertisement configuration file and advertising resource, referring specifically to: " middleware
Design scheme-the 2011-04-12.doc of EPG advertisement ".
Unidirectional scheme: advertisement configuration file (configuration file is completed by unilateral network by middleware machine top box background application
In advertising resource path be configured to relative configuration file relative path) and advertising resource downloading, update, middleware machine top
The URL of HTTP interface comprising acquisition ad data in container (Container) in box DMS, 4K tv line are obtained according to URL
It advertisement configuration file and is shown according to configuration.Concrete configuration file format and the downloading update mechanism of configuration file can
With reference: " design scheme -2011-04-12.doc of middleware EPG advertisement ".
Television system provided in an embodiment of the present invention, it is special with tv line provided by the above embodiment technology having the same
Sign, so also can solve identical technical problem, reaches identical technical effect.
The embodiment of the present invention also provides one kind and televises data capture method, and flow chart is as shown in figure 15, this method
Applied to above-mentioned television system；Method includes the following steps:
Step S1500, tv line generate the second request of data according to the first request of data.
Step S1502, set-top box return to corresponding first feedback data according to the second request of data.
Step S1504, tv line are decoded the first feedback data, the second feedback data are generated, by the second feedback coefficient
According to television set is sent to, so that the second feedback data of television for play.
Further, when set-top box can not obtain the corresponding data of the second request of data, this method further include:
(1) set-top box returns to preset error code to tv line；
(2) error code is sent to television set by tv line, so that television set shows the error code.
The computer program of tv line, television system provided by the embodiment of the present invention and data capture method of televising
Product, the computer readable storage medium including storing program code, the instruction that said program code includes can be used for executing
Previous methods method as described in the examples, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
And/or the specific work process of device, it can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of tv line, which is characterized in that the tv line is connect with set-top box and television set respectively；The tv line includes
Master chip, memory, message recipient, USB interface and HDMI interface；The master chip respectively with the memory, the letter
Cease receiver, the USB interface and HDMI interface connection；
The tv line is connect by the USB interface with the set-top box；The tv line passes through the HDMI interface and institute
State television set connection；
The message recipient is used to receive the first request of data of user's transmission；
The master chip is used for according to first request of data, generates the second request of data, and by second request of data
It is sent to the set-top box；The master chip is also used to be decoded the first feedback data that the set-top box returns, and will solve
The second feedback data that code obtains is sent to the television set, so that the second feedback data described in the television for play；
The memory for store first feedback data and or second feedback data.
2. tv line according to claim 1, which is characterized in that the master chip includes singlechip chip.
3. tv line according to claim 1, which is characterized in that the memory include flash memory and or Double Data Rate it is same
Walk dynamic RAM.
4. tv line according to claim 1, which is characterized in that the tv line further includes status indicator lamp；The shape
State indicator light is connect with the master chip；
The status indicator lamp is used to receive the control instruction that the master chip is sent, to show the work shape of the tv line
State；The working condition includes abnormal work or normal work.
5. tv line according to claim 1, which is characterized in that the message recipient includes Bluetooth Receiver.
6. a kind of television system, which is characterized in that including tv line described in claim 1-5, set-top box and television set；It is described
Tv line is connect with the set-top box and the television set respectively；
The tv line is used to receive the first request of data of user's transmission, and according to first request of data, generates second
Request of data；
The set-top box is used to return to corresponding first feedback data according to second request of data；
The tv line is also used to be decoded the first feedback data, the second feedback data is generated, by second feedback coefficient
According to being sent to the television set；
The television set is for playing second feedback data.
7. system according to claim 6, which is characterized in that the tv line and the set-top box use Upnp/HTTP/
XML protocol carries out data transmission.
8. system according to claim 6, which is characterized in that the system also includes USB connecting line and HDMI connecting lines；
The HDMI connecting line is for connecting the HDMI interface of the tv line and the HDMI interface of the television set；The USB connection
Line is used to connect the USB interface of the tv line and the USB interface of the set-top box.
The data capture method 9. one kind is televised, which is characterized in that the method is applied to described in any one of claim 6-8
System；The described method includes:
The tv line receives the first request of data that user sends, and according to first request of data, generates the second data
Request；
The set-top box returns to corresponding first feedback data according to second request of data；
The tv line is decoded the first feedback data, generates the second feedback data, and second feedback data is sent
To the television set；
Second feedback data described in the television for play.
10. according to the method described in claim 9, it is characterized in that, being asked when the set-top box can not obtain second data
When seeking corresponding data, the method also includes:
The set-top box returns to preset error code to the tv line；
The error code is sent to the television set by the tv line, so that the television set shows the error code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811389666.5A CN109451259A (en) | 2018-11-20 | 2018-11-20 | Tv line, television system and data capture method of televising |
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| CN201811389666.5A CN109451259A (en) | 2018-11-20 | 2018-11-20 | Tv line, television system and data capture method of televising |
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| CN109451259A true CN109451259A (en) | 2019-03-08 |
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| CN201811389666.5A Pending CN109451259A (en) | 2018-11-20 | 2018-11-20 | Tv line, television system and data capture method of televising |
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