CN104822097A - Apparatus and method enabling client device to play radio and television programs - Google Patents

Apparatus and method enabling client device to play radio and television programs Download PDF

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Publication number
CN104822097A
CN104822097A CN201510206520.2A CN201510206520A CN104822097A CN 104822097 A CN104822097 A CN 104822097A CN 201510206520 A CN201510206520 A CN 201510206520A CN 104822097 A CN104822097 A CN 104822097A
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CN
China
Prior art keywords
broadcasting
program
target
network
end equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510206520.2A
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Chinese (zh)
Inventor
衣祝松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hisense Electronics Co Ltd
Original Assignee
Qingdao Hisense Electronics Co Ltd
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Filing date
Publication date
Application filed by Qingdao Hisense Electronics Co Ltd filed Critical Qingdao Hisense Electronics Co Ltd
Priority to CN201510206520.2A priority Critical patent/CN104822097A/en
Publication of CN104822097A publication Critical patent/CN104822097A/en
Pending legal-status Critical Current

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Classifications

    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex stream decryption
    • 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
    • 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
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64707—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless for transferring content from a first network to a second network, e.g. between IP and wireless

Abstract

The embodiment of the invention discloses an apparatus and method enabling a client device to play radio and television programs and belongs to the radio and television field. With the apparatus and method adopted, client devices with different radio and television coaxial wiring ports can play radio and television programs, and the probability of lag in playing can be decreased, and therefore, user experience can be improved. The method includes the following steps that: a radio and television end device receives a first request message transmitted by a client device through a second network, wherein the first request message contains a target frequency point and is used for making the radio and television end device obtain the detailed information of a target radio and television program corresponding to the target frequency point; the detailed information of the target radio and television program is extracted out from source radio and television network signals outputted from a radio and television coaxial line according to the target frequency point; the detailed information of the target radio and television program is converted into a first data packet which satisfies a network protocol of the second network; and the first data packet is transmitted to the client device through the second network, so that the client device can play the radio and television program according to the first data packet.

Description

A kind of client device plays equipment and the method for broadcasting and TV program
Technical field
The embodiment of the present invention relates to broadcasting and TV field, particularly relates to equipment and method that a kind of client device plays broadcasting and TV program.
Background technology
The client device that Web TV, smart mobile phone, panel computer etc. do not have broadcasting and TV coaxial line interface generally plays broadcasting and TV program by network direct broadcasting software.Concrete: client device sends link corresponding to target broadcasting and TV program by network direct broadcasting software to the webserver; The webserver obtains packet corresponding to target broadcasting and TV program according to this link, and sends to client device; Client device plays target broadcasting and TV program according to this packet.
In the method for above-mentioned broadcasting broadcasting and TV program, a webserver needs to provide broadcasting and TV program for a large amount of client devices, like this, when while access web server the quantity of client device very large time, the load of the webserver can be very large, there is Caton phenomenon when therefore easily causing client device to play broadcasting and TV program, thus cause poor user experience.
Summary of the invention
The equipment that embodiments of the invention provide a kind of client device to play broadcasting and TV program and method, while broadcasting and TV program can being play in order to make the client device without broadcasting and TV coaxial line interface, there is the probability of Caton phenomenon when again reducing broadcasting, thus improve Consumer's Experience.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, a kind of broadcasting and TV end equipment is provided, comprises:
Receiver module, for receiving the first request message that client device sends by second network; Wherein, described first request message comprises target frequency, for the details making described broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to described target frequency; Described details comprise audio-frequency information and/or video information;
Extraction module, for the described target frequency received according to described receiver module, extracts the details of described target broadcasting and TV program from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line;
Modular converter, for the details of described target broadcasting and TV program extracted by described extraction module, is converted to the first packet of the procotol meeting described second network;
Sending module, for by described second network, sends described first packet to described client device, plays described target broadcasting and TV program to make described client device according to described first packet.
On the one hand, a kind of client device is provided, comprises:
Sending module, for sending the first request message by second network to broadcasting and TV end equipment; Wherein, described first request message comprises target frequency, for the details making described broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to described target frequency; Described details comprise audio-frequency information and/or video information;
Receiver module, for by described second network, receives the first packet that described broadcasting and TV end equipment sends; Wherein, described first packet is described broadcasting and TV end equipment by the details of the described target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, the packet meeting the procotol of described second network after conversion;
Modular converter, for described first packet received by described receiver module, is converted to target CHINA RFTCOM Co Ltd signal;
Playing module, for according to the described target CHINA RFTCOM Co Ltd signal after described modular converter conversion, plays described target broadcasting and TV program.
On the one hand, provide a kind of client device to play the method for broadcasting and TV program, comprising:
Broadcasting and TV end equipment receives the first request message of client device transmission by second network; Wherein, described first request message comprises target frequency, for the details making described broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to described target frequency; Described details comprise audio-frequency information and/or video information;
Described broadcasting and TV end equipment, according to described target frequency, extracts the details of described target broadcasting and TV program from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line;
Described broadcasting and TV end equipment, by the details of described target broadcasting and TV program, is converted to the first packet of the procotol meeting described second network;
Described broadcasting and TV end equipment, by described second network, sends described first packet to described client device, plays described target broadcasting and TV program to make described client device according to described first packet.
On the one hand, provide a kind of client device to play the method for broadcasting and TV program, comprising:
Client device sends the first request message by second network to broadcasting and TV end equipment; Wherein, described first request message comprises target frequency, for the details making described broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to described target frequency; Described details comprise audio-frequency information and/or video information;
Described client device, by described second network, receives the first packet that described broadcasting and TV end equipment sends; Wherein, described first packet is described broadcasting and TV end equipment by the details of the described target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, the packet meeting the procotol of described second network after conversion;
Described first packet is converted to target CHINA RFTCOM Co Ltd signal by described client device;
Described client device, according to described target CHINA RFTCOM Co Ltd signal, plays described target broadcasting and TV program.
In the technical scheme that the embodiment of the present invention provides, broadcasting and TV end equipment by extracting the details of target broadcasting and TV program corresponding to target frequency from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, and the details of target broadcasting and TV program are converted to the packet of the procotol meeting second network, and by this Packet Generation to client device, thus client device is made to play target broadcasting and TV program according to this packet.Because broadcasting and TV end equipment directly extracts the details of target broadcasting and TV program from broadcasting and TV coaxial line, and the quantity of client device that broadcasting and TV coaxial line connects is often less, and in other words, the load of broadcasting and TV end equipment is less; Further, because broadcasting and TV coaxial line has very large bandwidth, therefore, scheme compared to existing technology, the technical scheme that the embodiment of the present invention provides can reduce the probability occurring Caton phenomenon when client device plays broadcasting and TV program, namely improve speed and fluency that client device plays broadcasting and TV program, thus improve Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of broadcasting and TV end equipment that Fig. 1 provides for the embodiment of the present invention one;
The structural representation of the another kind of broadcasting and TV end equipment that Fig. 2 provides for the embodiment of the present invention one;
The structural representation of a kind of broadcasting and TV end equipment that Fig. 3 provides for the embodiment of the present invention two;
The structural representation of the another kind of broadcasting and TV end equipment that Fig. 4 provides for the embodiment of the present invention two;
The structural representation of a kind of client device that Fig. 5 provides for the embodiment of the present invention three;
The structural representation of a kind of client device that Fig. 6 provides for the embodiment of the present invention four;
The schematic flow sheet of the method for a kind of client device broadcasting broadcasting and TV program that Fig. 7 provides for the embodiment of the present invention five;
The schematic flow sheet of the method for a kind of client device broadcasting broadcasting and TV program that Fig. 8 provides for the embodiment of the present invention six;
The schematic flow sheet of the method for a kind of client device broadcasting broadcasting and TV program that Fig. 9 provides for the embodiment of the present invention seven;
The schematic flow sheet of the descriptor of a kind of client device acquisition broadcasting and TV program that Figure 10 provides for the embodiment of the present invention seven.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out exemplary description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
First, the part term in the embodiment of the present invention is described, so that those skilled in the art understand:
1), " broadcasting and TV program ": broadcasting and TV program can be understood as the broadcasting and TV program on a channel.A frequency can carry one or more broadcasting and TV program.
2), " client device ": not there is broadcasting and TV coaxial line interface, there is the smart machine of second network interface.Specifically include but not limited to: Web TV, smart mobile phone, panel computer etc.
Wherein, " second network " can include but not limited to any one network following: Ethernet, Wireless Fidelity (Wireless Fidelity, WIFI) network, blueteeth network, Zi Feng (ZigBee) network.
3), " broadcasting and TV end equipment ": refer to and can process the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, to obtain the packet transmitted by second network; And the equipment of information interaction can be carried out by second network and client device.The function that can realize about " broadcasting and TV end equipment " and can with reference to hereafter with connected mode of equipment of the prior art or module etc.
4), " source CHINA RFTCOM Co Ltd signal ": refer to the CHINA RFTCOM Co Ltd signal on each frequency of broadcasting and TV Output with coaxial line, specifically can comprise: the details of the broadcasting and TV program on each frequency of broadcasting and TV Output with coaxial line and descriptor.
Wherein, " details of broadcasting and TV program " refer to and play this information needed for broadcasting and TV program, specifically can comprise audio-frequency information and/or video information, can also comprise synchronizing information etc. in addition.
" descriptor of broadcasting and TV program " comprises at least one in following information: NIT (NetworkInformation Table, network information table), PAT (Program Association Table, Program Association Table), PMT (Program Map Table, Program Map Table), SDT (Service DescriptionTable, SDT Service Description Table) etc.
5), " target CHINA RFTCOM Co Ltd signal ": be the CHINA RFTCOM Co Ltd signal that client device will obtain after the first packet conversion.Wherein, the associated description of the first packet can with reference to hereafter.
6), "and/or": be only a kind of incidence relation describing affiliated partner, expression can exist three kinds of relations, and such as, A and/or B, can represent: individualism A, exists A and B simultaneously, these three kinds of situations of individualism B." multiple ": refer to two or more.
It should be noted that, " CHINA RFTCOM Co Ltd signal " in the technical scheme that the embodiment of the present invention provides can be digital signal, also can be analog signal.In addition, the explanation of the related content in any embodiment herein all can with reference to the description in other embodiments.
The technical scheme that theres is provided of the exemplary illustration embodiment of the present invention below:
Embodiment one
As shown in Figure 1, be a kind of broadcasting and TV end equipment 1 that the embodiment of the present invention provides, comprise: receiver module 11, extraction module 12, modular converter 13 and sending module 14.
Wherein, one end of broadcasting and TV end equipment 1 is connected with the user side of broadcasting and TV coaxial line, and the other end is connected with client device by wired or wireless mode.Wherein, broadcasting and TV coaxial line comprises network terminal and user side.Usually, broadcasting and TV end equipment 1 can be disposed in the interior.
The physical manifestation of the embodiment of the present invention to broadcasting and TV end equipment 1 does not limit, such as, can be a self-existent equipment, also can be integrated in other equipment.Optionally, in order to easy to use, broadcasting and TV end equipment 1 can be an independently insertable equipment; In this situation, broadcasting and TV end equipment 1 directly can be inserted into the user side of broadcasting and TV coaxial line, be connected with the user side of broadcasting and TV coaxial line to realize broadcasting and TV end equipment 1.Optionally, broadcasting and TV end equipment 1 can be integrated in existing router.
The function of each module of broadcasting and TV end equipment 1 is exemplarily described below:
Receiver module 11 for: by second network receive client device send the first request message; Wherein, the first request message comprises target frequency, for the details making broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to target frequency; Details comprise audio-frequency information and/or video information.
Wherein, " target frequency " can be the frequency at arbitrary broadcasting and TV program place of broadcasting and TV Output with coaxial line.For example, when user wants viewing target broadcasting and TV program, user can to the information of client device indicating target broadcasting and TV program, and wherein, " information of target broadcasting and TV program " can be the mark of target broadcasting and TV program, the numbering etc. of target broadcasting and TV program; Client device using the frequency at target broadcasting and TV program place as target frequency.Such as, when client device is Web TV, user can by the numbering of the equipment such as remote controller to Web TV indicating target broadcasting and TV program; When client device is smart mobile phone, user directly can trigger the mark of the target broadcasting and TV program on the UI (User Interface, user interface) of smart mobile phone or the numbering of target broadcasting and TV program.
Extraction module 12, for the target frequency received according to receiver module 11, extracts the details of target broadcasting and TV program from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line.
Concrete: lock onto target frequency; The details of target broadcasting and TV program are extracted from the CHINA RFTCOM Co Ltd signal of source.Wherein, the details of the target broadcasting and TV program that extraction module 12 extracts can be scrambled data, also can be clear stream data.
Modular converter 13 for: the details of the target broadcasting and TV program extracted by extraction module 12, are converted to the first packet of the procotol meeting second network.
Wherein, the function of modular converter 13 can be described as: CHINA RFTCOM Co Ltd signal is converted to second network signal.CHINA RFTCOM Co Ltd signal also can be called TS (Tranmit Stream, transmission code stream).When second network is WIFI network, " procotol " can be User Datagram Protoco (UDP) (UserDatagram Protocol, UDP), and the first packet can be UDP message bag; In this situation, modular converter 13 specifically for: TS is converted to UDP message bag.
It should be noted that, the embodiment of the present invention extracts the details of target broadcasting and TV program to extraction module 12, and the implementation method that CHINA RFTCOM Co Ltd signal is converted to second network signal does not all limit by modular converter 13; Such as, either method of the prior art can be utilized to realize.
Sending module 14 for: by second network, send the first packet to client device, play target broadcasting and TV program to make client device according to the first packet.Wherein, client device play the implementation method of target broadcasting and TV program according to the first packet can with reference to hereafter.
In one implementation, extraction module 12, specifically for the target frequency received according to receiver module 11, extracts the details of all broadcasting and TV programs corresponding to target frequency from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line; Modular converter 13 specifically for: the details of the target broadcasting and TV program extracted by extraction module 12 are converted to the packet of the procotol meeting second network; Sending module 14 specifically for: by second network, send this packet to client device, to make client device according to the mark of this packet and target broadcasting and TV program, play target broadcasting and TV program.Wherein, client device can determine the mark of target broadcasting and TV program according to the instruction of user.
The broadcasting and TV end equipment that the embodiment of the present invention provides, by extracting the details of target broadcasting and TV program corresponding to target frequency from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, and the details of target broadcasting and TV program are converted to the packet of the procotol meeting second network, and by this Packet Generation to client device, thus client device is made to play target broadcasting and TV program according to this packet.Because broadcasting and TV end equipment directly extracts the details of target broadcasting and TV program from broadcasting and TV coaxial line, and the quantity of client device that broadcasting and TV coaxial line connects is often less, and in other words, the load of broadcasting and TV end equipment is less; Further, because broadcasting and TV coaxial line has very large bandwidth, therefore, scheme compared to existing technology, the technical scheme that the embodiment of the present invention provides can reduce the probability occurring Caton phenomenon when client device plays broadcasting and TV program, namely improve speed and fluency that client device plays broadcasting and TV program, thus improve Consumer's Experience.
As shown in Figure 2, on the basis of Fig. 1, broadcasting and TV end equipment 1 also comprises: demodulation module 15, and the details for the target broadcasting and TV program extracted extraction module 12 carry out demodulation.In this situation, modular converter 13 specifically for: by the details of the target broadcasting and TV program after demodulation module 15 demodulation, be converted to the first packet of the procotol meeting second network.
For example, when not comprising target demodulation mode in the first request message, demodulation module 15 can adopt the demodulation mode of acquiescence or the details of demodulation mode to target broadcasting and TV program that consult with client device in advance to carry out demodulation.When comprising target demodulation mode in the first request message, demodulation module 15 can carry out demodulation according to the details of target demodulation mode to target broadcasting and TV program.Wherein, demodulation mode (comprising: the demodulation mode of acquiescence, the demodulation mode consulted in advance, target demodulation mode) can include but not limited to following any one: dvb-c (Digital VideoBroadcasting-Cable, digital video broadcast for cable), dtmb (Digital Television TerrestrialMultimedia Broadcasting, Digital Television Terrestrial Broadcasting), dvb-s (Digital VideoBroadcasting-Satellite, satellite digital video broadcast) etc.
In one implementation, as shown in Figure 2, broadcasting and TV end equipment 1 also comprises: descrambling module 16, for the Program Map Table corresponding according to target broadcasting and TV program, carries out descrambling, obtain clear stream data to the details of the target broadcasting and TV program after demodulation module 15 demodulation.In this situation, modular converter 13 specifically for: the clear stream data exported by descrambling module 16 are converted to the first packet of the procotol meeting second network.Wherein, Program Map Table corresponding for target broadcasting and TV program can be carried in the first request message and send to broadcasting and TV end equipment by client device; Certainly, also Program Map Table corresponding to target broadcasting and TV program can be carried by other message.
For example, when the details of the target broadcasting and TV program that extraction module 12 extracts are clear stream data, broadcasting and TV end equipment 1 can utilize modular converter 13 directly the details of the target broadcasting and TV program after demodulation to be converted to the first packet.
When the details of the target broadcasting and TV program that extraction module 12 extracts are scrambled data, the details of the target broadcasting and TV program after broadcasting and TV end equipment 1 first can utilize descrambling module 16 pairs of demodulation carry out descrambling, obtain clear stream data; These clear stream data are converted to the first packet by recycling modular converter 13.Also modular converter 13 can be utilized directly the details of the target broadcasting and TV program after demodulation to be converted to the first packet.
Optionally, the embodiment of the present invention additionally provides the technical scheme that broadcasting and TV end equipment 1 obtains the descriptor of target broadcasting and TV program.Concrete:
Receiver module 11 also for: by second network receive client device send the second request message; Wherein, the second request message comprises target frequency, for the descriptor making broadcasting and TV end equipment obtain target broadcasting and TV program; Descriptor comprises at least one in following information: network information table, Program Association Table, Program Map Table, SDT Service Description Table.
Extraction module 12 also for the target frequency received according to receiver module 11, extracts the descriptor of target broadcasting and TV program from the CHINA RFTCOM Co Ltd signal of source.
Modular converter 13 also for: the descriptor of the target broadcasting and TV program extracted by extraction module 12 is converted to the second packet of the procotol meeting second network.
Sending module 14 also for: send the second packet by second network to client device.
Embodiment two
On hardware implementing, the receiver module 11 in embodiment one can be receiver, and sending module 14 can be transmitter, and receiver and transmitter can be coupled formation transceiver.One or more in extraction module 12, modular converter 13, descrambling module 16 can be embedded in or in processor independent of broadcasting and TV end equipment in the form of hardware, also can be stored in a software form in the memory of broadcasting and TV end equipment, so that processor calls perform operation corresponding to above modules.In addition, demodulation module 15 is generally to be embedded in the form of hardware or in processor independent of broadcasting and TV end equipment.
It should be noted that, the function of a module in embodiment one can be realized by one or more physical components; A physical components can realize the function of the one or more modules in embodiment one.
As shown in Figure 3, be a kind of broadcasting and TV end equipment 3 that the embodiment of the present invention provides, comprise: memory 31, processor 32, receiver 33, transmitter 34, first interface 35 and at least one the second interface 36.Wherein, these physical components and interface are coupled by bus system 37.Bus system 37 can comprise: data/address bus, control bus etc.
Memory 31, for depositing program.Particularly, program can comprise program code, and program code comprises computer-managed instruction.
The program that processor 32 execute store 31 is deposited.Processor 32 can be CPU (CentralProcessing Unit, central processing module), microprocessor, single-chip microcomputer etc.
First interface 35, for receiving the source CHINA RFTCOM Co Ltd signal from broadcasting and TV Output with coaxial line.Wherein, first interface 35 is connected with the user side of broadcasting and TV coaxial line, namely with the registering one's residence to hold and be connected of broadcasting and TV coaxial line.
Second interface 36, for communicating with client device.For example, when second network is Ethernet, the second interface 36 is Ethernet interface; When second network is WIFI network, the second interface 36 is WIFI interface etc.It should be noted that, a broadcasting and TV end equipment 3 can arrange one or more second interface 36; Such as, an Ethernet interface and a WIFI interface are set.If broadcasting and TV end equipment is provided with multiple second interface 36, then broadcasting and TV end equipment 3 needs to determine by which the second interface to be communicated with client device.
The function of each parts below in exemplary illustration broadcasting and TV end equipment 3:
Receiver 33 for: by second network receive client device send the first request message; Wherein, the first request message comprises target frequency, for the details making broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to target frequency; Details comprise audio-frequency information and/or video information.
Processor 32 is for the details of extracting target broadcasting and TV program according to target frequency from the CHINA RFTCOM Co Ltd signal of source; And the details of target broadcasting and TV program are converted to the first packet of the procotol meeting second network.
Transmitter 34 for: send the first packet by second network to client device, play target broadcasting and TV program to make client device according to the first packet.
For example, second network can include but not limited to any one network following: Ethernet, Wireless Fidelity WIFI network, blueteeth network, purple peak ZigBee-network.
In a kind of implementation of the present embodiment, as shown in Figure 4, processor 32 comprises:
Harmony device (tuner) 321, for lock onto target frequency;
Demodulator 322, for extracting the details of target broadcasting and TV program corresponding to target frequency from the CHINA RFTCOM Co Ltd signal of source, and carries out demodulation to the details of target broadcasting and TV program;
Transducer 323, for being converted to the first packet of the procotol meeting second network by the details of the target broadcasting and TV program after demodulation.
For example, can according to arranging one or more demodulator 322 in broadcasting and TV end equipment 3, each demodulator 322 adopts a kind of demodulation mode to carry out demodulation to inputted signal; Such as, dvb-c demodulator (demodulation being carried out to input signal for adopting dvb-c) and dtmb demodulator (demodulation being carried out to input signal for adopting dtmb) is provided with in broadcasting and TV end equipment 3.If be provided with multiple demodulator 322 in broadcasting and TV end equipment 3, then one or more solution tune switch can also be set in broadcasting and TV end equipment 3, demodulator for making target demodulation mode corresponding is in running order, and the demodulator that all the other demodulation modes are corresponding is in non operating state.
For example, when second network be Ethernet or WIFI network time, transducer 323 can be TS-ip transducer.Optionally, the first request message also comprises target demodulation mode; In this situation, demodulator 322 specifically for: carry out demodulation according to the details of target demodulation mode to target broadcasting and TV program.
Optionally, as shown in Figure 4, processor 32 also comprises: be arranged on the descrambler 324 between demodulator 322 and transducer 323, for the Program Map Table corresponding according to target broadcasting and TV program, descrambling is carried out to the details of the target broadcasting and TV program after demodulation, obtains clear stream data; Transducer 323 is specifically for the first packet of clear stream data being converted to the procotol meeting second network.Wherein, Program Map Table corresponding for target broadcasting and TV program can be carried in the first request message or other message and send to broadcasting and TV end equipment by client device.
For example, descrambler 324 can be CI (Common Interface, depending on close) card, or the lesser calorie (smartcard) etc. of ISO (International Organization for Standardization, International Organization for standardization) 7816 agreements.
Optionally, the embodiment of the present invention additionally provides the technical scheme that broadcasting and TV end equipment 3 obtains the descriptor of target broadcasting and TV program.Concrete:
Receiver 33 also for: by second network receive client device send the second request message; Wherein, the second request message comprises target frequency, for the descriptor making broadcasting and TV end equipment obtain target broadcasting and TV program; Descriptor comprises at least one in following information: network information table, Program Association Table, Program Map Table, SDT Service Description Table.
Processor 32 is also for the descriptor of extracting target broadcasting and TV program from the CHINA RFTCOM Co Ltd signal of source; The descriptor of target broadcasting and TV program is converted to the second packet of the procotol meeting second network.
Transmitter 34 also for: send the second packet by second network to client device.
The broadcasting and TV end equipment that the embodiment of the present invention provides, by extracting the details of target broadcasting and TV program corresponding to target frequency from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, and the details of target broadcasting and TV program are converted to the packet of the procotol meeting second network, and by this Packet Generation to client device, thus client device is made to play target broadcasting and TV program according to this packet.Because broadcasting and TV end equipment directly extracts the details of target broadcasting and TV program from broadcasting and TV coaxial line, and the quantity of client device that broadcasting and TV coaxial line connects is often less, and in other words, the load of broadcasting and TV end equipment is less; Further, because broadcasting and TV coaxial line has very large bandwidth, therefore, scheme compared to existing technology, the technical scheme that the embodiment of the present invention provides can reduce the probability occurring Caton phenomenon when client device plays broadcasting and TV program, namely improve speed and fluency that client device plays broadcasting and TV program, thus improve Consumer's Experience.
Embodiment three
As shown in Figure 5, be a kind of client device 5 that the embodiment of the present invention provides, comprise: sending module 51, receiver module 52, modular converter 53, playing module 54.
Sending module 51 for: send the first request message by second network to broadcasting and TV end equipment; Wherein, the first request message comprises target frequency, for the details making broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to target frequency; Details comprise audio-frequency information and/or video information.
In one implementation, client device 5 can also comprise determination module, for the target frequency of the mark and target broadcasting and TV program place of determining target broadcasting and TV program.For example, when user wants viewing target broadcasting and TV program, user can to the information of client device 5 indicating target broadcasting and TV program, and wherein, " information of target broadcasting and TV program " can be the mark of target broadcasting and TV program, the numbering etc. of target broadcasting and TV program; The mark of the information determination target broadcasting and TV program of the target broadcasting and TV program that determination module can indicate according to user, and using the frequency at target broadcasting and TV program place as target frequency.
Receiver module 52 for: receive by second network the first packet that broadcasting and TV ends equipment sends; Wherein, the first packet is broadcasting and TV end equipment by the details of the target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, the packet meeting the procotol of second network after conversion.
For example, the packet that the first packet will may generate after clear stream data transaction for broadcasting and TV end equipment also may be the packet that broadcasting and TV end equipment will generate after scrambled data conversion.
Modular converter 53 for: the first packet received by receiver module 52 is converted to target CHINA RFTCOM Co Ltd signal.Concrete, the function of modular converter 53 can be described as: second network signal is converted to CHINA RFTCOM Co Ltd signal.
For example, when the first packet be broadcasting and TV end equipment by clear stream data transaction after the packet that generates, so target CHINA RFTCOM Co Ltd signal is clear stream data; When the first packet is the packet generated after scrambled data is changed by broadcasting and TV end equipment, so target CHINA RFTCOM Co Ltd signal is scrambled data.
Playing module 54, for target CHINA RFTCOM Co Ltd signal after changing according to modular converter 53, plays target broadcasting and TV program.
For example, when target CHINA RFTCOM Co Ltd signal is clear stream data, playing module 54 directly can utilize target CHINA RFTCOM Co Ltd signal, plays target broadcasting and TV program; When target CHINA RFTCOM Co Ltd signal is scrambled data, also need to be provided with descrambling module in broadcasting and TV end equipment 5, descrambling is carried out with the target CHINA RFTCOM Co Ltd signal after changing modular converter 53, thus the clear stream data playback target broadcasting and TV program that playing module 54 is exported.
Optionally, can also comprise in the first request message: target demodulation mode and/or Program Map Table corresponding to target broadcasting and TV program.Wherein, the using method of these information comprised in the first request message and relevant explanation with reference to other embodiments herein, can repeat no more herein.
In one implementation, the first packet is broadcasting and TV end equipment by the details of all broadcasting and TV programs corresponding for the target frequency that extracts from the CHINA RFTCOM Co Ltd signal of source, the packet meeting the procotol of second network after conversion.In this situation, modular converter 53 specifically for: according to the mark of target CHINA RFTCOM Co Ltd signal and target broadcasting and TV program, play target broadcasting and TV program.Wherein, target broadcasting and TV program be designated that client device 5 determines according to the instruction of user.The specific implementation " according to the mark of target CHINA RFTCOM Co Ltd signal and target broadcasting and TV program, playing target broadcasting and TV program " can with reference to prior art.
Optionally, sending module 51 also for: send the second request message by second network to broadcasting and TV end equipment; Wherein, the second request message comprises target frequency, for the descriptor making broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to target frequency; Descriptor comprises at least one in following information: network information table, Program Association Table, Program Map Table, SDT Service Description Table.Receiver module 52 also for: receive by second network the second packet that broadcasting and TV ends equipment sends; Wherein, the second packet is the packet meeting the procotol of second network after the descriptor of target broadcasting and TV program is changed by broadcasting and TV end equipment.Client device 5 can store this second packet.
The client device that the embodiment of the present invention provides, by sending the request message comprising target frequency to broadcasting and TV end equipment, makes broadcasting and TV end equipment obtain the details of target broadcasting and TV program corresponding to target frequency; Receive the packet of broadcasting and TV end equipment transmission and play target broadcasting and TV program according to this packet.Wherein, this packet is the packet meeting the procotol of second network after the details of the target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line are changed by broadcasting and TV end equipment.Because broadcasting and TV end equipment directly extracts the details of target broadcasting and TV program from broadcasting and TV coaxial line, and the quantity of client device that broadcasting and TV coaxial line connects is often less, and in other words, the load of broadcasting and TV end equipment is less; Further, because broadcasting and TV coaxial line has very large bandwidth, therefore, scheme compared to existing technology, the technical scheme that the embodiment of the present invention provides can reduce the probability occurring Caton phenomenon when client device plays broadcasting and TV program, namely improve speed and fluency that client device plays broadcasting and TV program, thus improve Consumer's Experience.
Embodiment four
On hardware implementing, the receiver module 52 in embodiment three can be receiver, and sending module 51 can be transmitter, and receiver and transmitter can be coupled formation transceiver.Modular converter 53, playing module 54 can be embedded in the form of hardware or in processor independent of broadcasting and TV end equipment, also can be stored in a software form in the memory of broadcasting and TV end equipment, so that processor calls perform operation corresponding to above modules.
As shown in Figure 6, be a kind of client device 6 that the embodiment of the present invention provides, comprise: memory 61, processor 62, receiver 63, transmitter 64 and at least one the second interface 65.Wherein, these physical components and port are coupled by bus system 66.Wherein, bus system 66 can comprise: data/address bus, control bus etc.
Memory 61, for depositing program.Particularly, program can comprise program code, and program code comprises computer-managed instruction.
The program that processor 62 execute store 61 is deposited.Processor 62 can be CPU, microprocessor, single-chip microcomputer etc.
Second interface 65, for communicating with broadcasting and TV end equipment.When second network is Ethernet, the second interface 65 is Ethernet interface; When second network is WIFI network, the second interface 65 is WIFI interface etc.It should be noted that, a client device 6 can be arranged one or more second interface 65; Such as, an Ethernet interface and a WIFI interface are set.
The function of each parts below in exemplary illustration client device 6:
Transmitter 64 for: send the first request message by second network to broadcasting and TV end equipment; Wherein, the first request message comprises target frequency, for the details making broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to target frequency; Details comprise audio-frequency information and/or video information.
Receiver 63 for: receive by second network the first packet that broadcasting and TV ends equipment sends; Wherein, the first packet is broadcasting and TV end equipment by the details of the target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, the packet meeting the procotol of second network after conversion.
Processor 62 also for: the first packet is converted to target CHINA RFTCOM Co Ltd signal, and according to target CHINA RFTCOM Co Ltd signal, plays target broadcasting and TV program.
Optionally, can also comprise in the first request message: target demodulation mode and/or Program Map Table corresponding to target broadcasting and TV program.Wherein, the using method of these information comprised in the first request message and relevant explanation with reference to other embodiments herein, can repeat no more herein.
In a kind of implementation of the present embodiment, processor 62 can comprise: transducer, for the first packet is converted to target CHINA RFTCOM Co Ltd signal.The function of transducer can be described as: second network signal is converted to CHINA RFTCOM Co Ltd signal.For example, when second network be Ethernet or WIFI network time, this transducer is ip-TS transducer.
For example, when target CHINA RFTCOM Co Ltd signal is clear stream data, processor 62 directly can utilize target CHINA RFTCOM Co Ltd signal, plays target broadcasting and TV program; When target CHINA RFTCOM Co Ltd signal is scrambled data, also for carrying out descrambling to target CHINA RFTCOM Co Ltd signal in processor 62, thus the clear stream data obtained after making to utilize descrambling, play target broadcasting and TV program.
Optionally, transmitter 64 also for: send the second request message by second network to broadcasting and TV end equipment; Wherein, the second request message comprises target frequency, for the descriptor making broadcasting and TV end equipment obtain target broadcasting and TV program; Descriptor comprises at least one in following information: network information table, Program Association Table, Program Map Table, SDT Service Description Table.Receiver 63 also for: receive by second network the second packet that broadcasting and TV ends equipment sends; Wherein, the second packet is the packet meeting the procotol of second network after the descriptor of target broadcasting and TV program is changed by broadcasting and TV end equipment.In this situation, memory 61 can also be used for storing this second packet.
The client device that the embodiment of the present invention provides, by sending the request message comprising target frequency to broadcasting and TV end equipment, makes broadcasting and TV end equipment obtain the details of target broadcasting and TV program corresponding to target frequency; Receive the packet of broadcasting and TV end equipment transmission and play target broadcasting and TV program according to this packet.Wherein, this packet is the packet meeting the procotol of second network after the details of the target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line are changed by broadcasting and TV end equipment.Because broadcasting and TV end equipment directly extracts the details of target broadcasting and TV program from broadcasting and TV coaxial line, and the quantity of client device that broadcasting and TV coaxial line connects is often less, and in other words, the load of broadcasting and TV end equipment is less; Further, because broadcasting and TV coaxial line has very large bandwidth, therefore, scheme compared to existing technology, the technical scheme that the embodiment of the present invention provides can reduce the probability occurring Caton phenomenon when client device plays broadcasting and TV program, namely improve speed and fluency that client device plays broadcasting and TV program, thus improve Consumer's Experience.
Embodiment five
As shown in Figure 7, be the method for a kind of client device broadcasting broadcasting and TV program that the embodiment of the present invention provides, comprise the following steps:
S701: broadcasting and TV end equipment receives the first request message of client device transmission by second network; Wherein, the first request message comprises target frequency, for the details making broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to target frequency; Details comprise audio-frequency information and/or video information.
Optionally, can also comprise in the first request message: target demodulation mode and/or Program Map Table corresponding to target broadcasting and TV program.Wherein, the using method of these information comprised in the first request message and relevant explanation can reference examples seven.
S702: broadcasting and TV end equipment, according to target frequency, extracts the details of target broadcasting and TV program from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line.Concrete, lock onto target frequency, and the details extracting broadcasting and TV program from the CHINA RFTCOM Co Ltd signal of source.
S703: the details of target broadcasting and TV program are converted to the first packet of the procotol meeting second network by broadcasting and TV end equipment.For example, S703 can be described as: CHINA RFTCOM Co Ltd signal is converted to second network signal by client device.
S704: broadcasting and TV end equipment, by second network, sends the first packet to client device, plays target broadcasting and TV program to make client device according to the first packet.
It should be noted that, the embodiment of the present invention additionally provides the technical scheme that broadcasting and TV end equipment obtains the descriptor of target broadcasting and TV program, specifically can reference example seven.
The client device that the present embodiment provides plays the method for broadcasting and TV program, broadcasting and TV end equipment by extracting the details of target broadcasting and TV program corresponding to target frequency from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, and the details of target broadcasting and TV program are converted to the packet of the procotol meeting second network, and by this Packet Generation to client device, thus client device is made to play target broadcasting and TV program according to this packet.Because broadcasting and TV end equipment directly extracts the details of target broadcasting and TV program from broadcasting and TV coaxial line, and the quantity of client device that broadcasting and TV coaxial line connects is often less, and in other words, the load of broadcasting and TV end equipment is less; Further, because broadcasting and TV coaxial line has very large bandwidth, therefore, scheme compared to existing technology, the technical scheme that the embodiment of the present invention provides can reduce the probability occurring Caton phenomenon when client device plays broadcasting and TV program, namely improve speed and fluency that client device plays broadcasting and TV program, thus improve Consumer's Experience.
Embodiment six
As shown in Figure 8, be the method for a kind of client device broadcasting broadcasting and TV program that the embodiment of the present invention provides, comprise the following steps:
S801: client device sends the first request message by second network to broadcasting and TV end equipment; Wherein, the first request message comprises target frequency, for the details making broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to target frequency; Details comprise audio-frequency information and/or video information.
S802: client device receives the first packet of broadcasting and TV end equipment transmission by second network; Wherein, the first packet is broadcasting and TV end equipment by the details of the target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, the packet meeting the procotol of second network after conversion.
S803: the first packet is converted to target CHINA RFTCOM Co Ltd signal by client device.For example, S803 can be described as: second network signal is converted to CHINA RFTCOM Co Ltd signal by client device.
S804: client device, according to target CHINA RFTCOM Co Ltd signal, plays target broadcasting and TV program.
The client device that the embodiment of the present invention provides plays the method for broadcasting and TV program, and client device, by sending the request message comprising target frequency to broadcasting and TV end equipment, makes broadcasting and TV end equipment obtain the details of target broadcasting and TV program corresponding to target frequency; Receive the packet of broadcasting and TV end equipment transmission and play target broadcasting and TV program according to this packet.Wherein, this packet is the packet meeting the procotol of second network after the details of the target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line are changed by broadcasting and TV end equipment.Because broadcasting and TV end equipment directly extracts the details of target broadcasting and TV program from broadcasting and TV coaxial line, and the quantity of client device that broadcasting and TV coaxial line connects is often less, and in other words, the load of broadcasting and TV end equipment is less; Further, because broadcasting and TV coaxial line has very large bandwidth, therefore, scheme compared to existing technology, the technical scheme that the embodiment of the present invention provides can reduce the probability occurring Caton phenomenon when client device plays broadcasting and TV program, namely improve speed and fluency that client device plays broadcasting and TV program, thus improve Consumer's Experience.
Embodiment seven
As shown in Figure 9, be the method for a kind of client device broadcasting broadcasting and TV program that the embodiment of the present invention provides, comprise the following steps:
S901: broadcasting and TV end equipment is set up network with client device based on second network and is connected.
For example, client device detects whether there is broadcasting and TV end equipment around; And when detect there is broadcasting and TV end equipment, set up be connected with the network between broadcasting and TV end equipment.Further, client device detects and whether there is second network around before whether can also there is broadcasting and TV end equipment around detection; And when detect there is second network, then detect around whether there is broadcasting and TV end equipment.The process that whether embodiment of the present invention exists second network to client device detection, whether detection exists broadcasting and TV end equipment and connect between broadcasting and TV end equipment and client device does not limit, and such as, method of the prior art can be utilized to realize.
S902: the mark of client device determination target broadcasting and TV program and the target frequency at target broadcasting and TV program place.
For example, when user wants viewing target broadcasting and TV program, user can to the information of client device indicating target broadcasting and TV program, and wherein, " information of target broadcasting and TV program " can be the mark of target broadcasting and TV program, the numbering etc. of target broadcasting and TV program; Client device according to the mark of the information determination target broadcasting and TV program of target broadcasting and TV program, and using the frequency at target broadcasting and TV program place as target frequency.In addition, client device can also determine according to the mark of target broadcasting and TV program the Program Map Table that target broadcasting and TV program is corresponding; Wherein, the corresponding relation between the mark of each broadcasting and TV program Program Map Table corresponding with it is previously stored with in client device.
S903: client device sends the first request message by second network to broadcasting and TV end equipment; Wherein, the first request message comprises Program Map Table corresponding to target frequency, target broadcasting and TV program and target demodulation mode, and for the details making broadcasting and TV end equipment obtain target broadcasting and TV program, details comprise audio-frequency information and/or video information.
For example, client device can provide UI for user, mutual with what realize with user.Subscriber equipment can input target demodulation mode on this UI.
S904: broadcasting and TV end device lock sets the goal frequency, and extracts the details of target broadcasting and TV program from the CHINA RFTCOM Co Ltd signal of source.
S905: broadcasting and TV end equipment carries out demodulation according to the details of target demodulation mode to target broadcasting and TV program, and the Program Map Table details to target broadcasting and TV program demodulation after corresponding according to target broadcasting and TV program carry out descrambling, obtain clear stream data.
Wherein, the present embodiment for the details of broadcasting and TV program for scrambled data is described.It should be noted that, broadcasting and TV end equipment is when performing the step of descrambling, and need to know and which Program Map Table to carry out descrambling according to, the specific implementation of descrambling can with reference to prior art.When the details of broadcasting and TV program are clear stream data, broadcasting and TV end equipment can perform S906 after the step performing demodulation.
S906: these clear stream data are converted to the first packet of the procotol meeting second network by broadcasting and TV end equipment.
S907: broadcasting and TV end equipment sends the first packet by second network to client device.
S908: the first packet is converted to target CHINA RFTCOM Co Ltd signal by client device.
For example, client device plays broadcasting and TV program based on CHINA RFTCOM Co Ltd signal, and the first packet is second network signal, therefore needs the first packet to be converted to CHINA RFTCOM Co Ltd signal.
S909: client device utilizes target CHINA RFTCOM Co Ltd signal to play target broadcasting and TV program.
For example, due in the present embodiment, the first packet is the packet that broadcasting and TV end equipment will obtain after clear stream data transaction, and therefore, the target CHINA RFTCOM Co Ltd signal obtained after directly can utilizing the first packet conversion plays target broadcasting and TV program.
It should be noted that, before execution S1002, client device obtains the descriptor of broadcasting and TV program corresponding to each frequency in advance, and the descriptor of broadcasting and TV program corresponding for each frequency obtained is stored in the local database; This process can be called the process of channel searching.
Descriptor below by broadcasting and TV program corresponding to acquisition frequency is described, during specific implementation, the descriptor of broadcasting and TV program corresponding to each frequency can be obtained according to following method successively, the descriptor of broadcasting and TV program corresponding to multiple frequency can certainly be obtained at every turn.
As shown in Figure 10, a kind of client device provided for the embodiment of the present invention obtains the method for the descriptor of target broadcasting and TV program, comprises the following steps:
S1001: client device determination target frequency.
For example, client device can provide UI for user, mutual with what realize with user.Subscriber equipment can input target frequency on this UI.In addition, client device also can prestore the frequency at the broadcasting and TV program place of acquiescence, in the process of tuning, using the frequency at the broadcasting and TV program place of each acquiescence as target frequency.
S1002: client device sends the second request message by second network to broadcasting and TV end equipment; Wherein, the second request message comprises target frequency, for the descriptor making broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to target frequency.Descriptor can include but not limited to following at least one: network information table, Program Association Table, Program Map Table, SDT Service Description Table etc.
S1002: broadcasting and TV end device lock sets the goal frequency, and extracts the descriptor of target broadcasting and TV program from the CHINA RFTCOM Co Ltd signal of source.
S1003: the descriptor of broadcasting and TV end equipment to target broadcasting and TV program carries out demodulation.
Optionally, can also comprise target demodulation mode in the second request message, broadcasting and TV end equipment can carry out demodulation according to the descriptor of target demodulation mode to target broadcasting and TV program.
S1004: the descriptor of the target broadcasting and TV program after demodulation is converted to the second packet of the procotol meeting second network by broadcasting and TV end equipment.
S1005: broadcasting and TV end equipment sends the second packet by second network to client device.
S1006: client device stores the second packet.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a broadcasting and TV end equipment, is characterized in that, comprising:
Receiver module, for receiving the first request message that client device sends by second network; Wherein, described first request message comprises target frequency, for the details making described broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to described target frequency; Described details comprise audio-frequency information and/or video information;
Extraction module, for the described target frequency received according to described receiver module, extracts the details of described target broadcasting and TV program from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line;
Modular converter, for the details of described target broadcasting and TV program extracted by described extraction module, is converted to the first packet of the procotol meeting described second network;
Sending module, for by described second network, sends described first packet to described client device, plays described target broadcasting and TV program to make described client device according to described first packet.
2. broadcasting and TV end equipment according to claim 1, is characterized in that, described broadcasting and TV end equipment also comprises:
Demodulation module, the details for the described target broadcasting and TV program extracted described extraction module carry out demodulation;
Described modular converter specifically for: by the details of the described target broadcasting and TV program after described demodulation module demodulation, be converted to the first packet of the procotol meeting described second network.
3. broadcasting and TV end equipment according to claim 2, is characterized in that, described first request message also comprises target demodulation mode;
Described demodulation module specifically for: carry out demodulation according to the details of described target demodulation mode to the described target broadcasting and TV program that described extraction module extracts.
4. broadcasting and TV end equipment according to claim 2, is characterized in that, described first request message also comprises Program Map Table corresponding to described target broadcasting and TV program; Described broadcasting and TV end equipment also comprises:
Descrambling module, for the Program Map Table corresponding according to described target broadcasting and TV program, carries out descrambling to the details of the described target broadcasting and TV program after described demodulation module demodulation, obtains clear stream data;
Described modular converter specifically for: the clear stream data exported by described descrambling module, are converted to the first packet of the procotol meeting described second network.
5. broadcasting and TV end equipment according to claim 1, is characterized in that,
Described receiver module also for: by described second network receive described client device send the second request message; Wherein, described second request message comprises described target frequency, for the descriptor making described broadcasting and TV end equipment obtain described target broadcasting and TV program; Described descriptor comprises at least one in following information: network information table, Program Association Table, Program Map Table, SDT Service Description Table;
Described extraction module also for the described target frequency received according to described receiver module, extracts the descriptor of described target broadcasting and TV program from the CHINA RFTCOM Co Ltd signal of described source;
Described modular converter also for: the descriptor of the described target broadcasting and TV program extracted by described extraction module, is converted to the second packet of the procotol meeting described second network;
Described sending module also for: by described second network, send described second packet to described client device.
6. the broadcasting and TV end equipment according to any one of claim 1-5, it is characterized in that, described second network is: Ethernet, Wireless Fidelity WIFI network, blueteeth network or purple peak ZigBee-network.
7. a client device, is characterized in that, comprising:
Sending module, for sending the first request message by second network to broadcasting and TV end equipment; Wherein, described first request message comprises target frequency, for the details making described broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to described target frequency; Described details comprise audio-frequency information and/or video information;
Receiver module, for by described second network, receives the first packet that described broadcasting and TV end equipment sends; Wherein, described first packet is described broadcasting and TV end equipment by the details of the described target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, the packet meeting the procotol of described second network after conversion;
Modular converter, for described first packet received by described receiver module, is converted to target CHINA RFTCOM Co Ltd signal;
Playing module, for according to the described target CHINA RFTCOM Co Ltd signal after described modular converter conversion, plays described target broadcasting and TV program.
8. client device according to claim 7, is characterized in that,
Described sending module also for: send the second request message by described second network to described broadcasting and TV end equipment; Wherein, described second request message comprises described target frequency, for the descriptor making described broadcasting and TV end equipment obtain described target broadcasting and TV program; Described descriptor comprises at least one in following information: network information table, Program Association Table, Program Map Table, SDT Service Description Table;
Described receiver module also for: by described second network, receive described broadcasting and TV end equipment send the second packet; Wherein, described second packet is the packet meeting the procotol of described second network after the descriptor of described target broadcasting and TV program is changed by described broadcasting and TV end equipment.
9. client device plays a method for broadcasting and TV program, it is characterized in that, comprising:
Broadcasting and TV end equipment receives the first request message of client device transmission by second network; Wherein, described first request message comprises target frequency, for the details making described broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to described target frequency; Described details comprise audio-frequency information and/or video information;
Described broadcasting and TV end equipment, according to described target frequency, extracts the details of described target broadcasting and TV program from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line;
Described broadcasting and TV end equipment, by the details of described target broadcasting and TV program, is converted to the first packet of the procotol meeting described second network;
Described broadcasting and TV end equipment, by described second network, sends described first packet to described client device, plays described target broadcasting and TV program to make described client device according to described first packet.
10. client device plays a method for broadcasting and TV program, it is characterized in that, comprising:
Client device sends the first request message by second network to broadcasting and TV end equipment; Wherein, described first request message comprises target frequency, for the details making described broadcasting and TV end equipment obtain target broadcasting and TV program corresponding to described target frequency; Described details comprise audio-frequency information and/or video information;
Described client device, by described second network, receives the first packet that described broadcasting and TV end equipment sends; Wherein, described first packet is described broadcasting and TV end equipment by the details of the described target broadcasting and TV program extracted from the source CHINA RFTCOM Co Ltd signal of broadcasting and TV Output with coaxial line, the packet meeting the procotol of described second network after conversion;
Described first packet is converted to target CHINA RFTCOM Co Ltd signal by described client device;
Described client device, according to described target CHINA RFTCOM Co Ltd signal, plays described target broadcasting and TV program.
CN201510206520.2A 2015-04-28 2015-04-28 Apparatus and method enabling client device to play radio and television programs Pending CN104822097A (en)

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CN105635850B (en) * 2015-12-23 2019-06-18 广东省广播电视网络股份有限公司 A kind of method that IP terminal obtains DVB standard digital television on-demand resource from gateway

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