CN104410889B - A kind of data processing method and Conditional Access Module - Google Patents
A kind of data processing method and Conditional Access Module Download PDFInfo
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- CN104410889B CN104410889B CN201410805527.1A CN201410805527A CN104410889B CN 104410889 B CN104410889 B CN 104410889B CN 201410805527 A CN201410805527 A CN 201410805527A CN 104410889 B CN104410889 B CN 104410889B
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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
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
- H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
- H04N21/4358—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen for generating different versions, e.g. for different peripheral devices
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Television Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention discloses a kind of data processing methods, and custom service is realized on digital TV integrated machine for solving the problems, such as.The method comprise the steps that Conditional Access Module CAM receives business data flow;CAM obtains the nonstandard numbers evidence carried in business data flow;CAM is to nonstandard numbers according to being handled to obtain normal data packet;Normal data packet is loaded into business data flow and obtains target data stream by CAM;Target data stream is sent host by CAM, so that business is presented according to target data stream in host.CAM can be to nonstandard numbers according to being handled to obtain normal data packet in the embodiment of the present invention, target data stream is obtained by the way that normal data packet to be loaded into business data flow, retransmit host, so that business is presented according to target data stream in host, since CAM is the extension CA module of digital TV integrated machine, it does not need to carry out the analysis and processing to nonstandard numbers evidence using set-top box, thus is able to achieve the associated custom business of operator using digital TV integrated machine yet.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of data processing method and Conditional Access Modules.
Background technique
As various host equipments in the market are more and more and the increase of carrier customization business, operator
It include nonstandard numbers evidence in the data television that headend equipment is sent, the host of standard compliant separation between machine and card can not generally identify
With parse these carrier customizations nonstandard numbers evidence, therefore on these hosts the associated custom business of operator be can not be real
Existing.Condition receiving card (CAM, Condition Access Module) is inserted into condition used in all-in-one machine CI slot
Receiving module, the equipment for connecting television set and outside source are main to realize filtering descrambling function.Wherein, the CAM card is real
The now process of filtering descrambling function specifically: descrambling is filtered to the information from external equipment, is obtained relevant to program
Useful information after being changed into television content, is shown on a television set.
A kind of existing digital television top for realizing the processing method to operator's nonstandard numbers evidence mainly by customizing
Box processing, so that can be realized the associated custom business of operator on the host using the DTV STB.
Although the DTV STB of these customizations can analyze and handle nonstandard numbers evidence, but for DTV
For some clients using digital TV integrated machine of operator, due to the currently marketed number for meeting separation between machine and card standard
Word TV integrated machine does not have the ability of analysis processing nonstandard numbers evidence, and these clients are also without customization digital television top
Box, thus cause the associated custom business of operator that can not realize on these digital TV integrated machines.
Summary of the invention
The embodiment of the invention provides a kind of data processing methods, and customization is realized on digital TV integrated machine for solving
The problem of business.
In view of this, first aspect present invention provides a kind of data processing method, comprising:
Conditional Access Module CAM receives business data flow;
The CAM obtains the nonstandard numbers evidence carried in the business data flow;
The CAM is to the nonstandard numbers according to being handled to obtain normal data packet;
The normal data packet is loaded into the business data flow and obtains target data stream by the CAM;
The target data stream is sent host by the CAM, so that the host is according to the target data stream
Existing business.
Optionally:
The CAM includes: according to being handled to obtain normal data packet to the nonstandard numbers
It is first according to target data is obtained that the CAM parses the nonstandard numbers;
The CAM is recombinated to obtain normal data packet to the target data member.
Optionally:
The target data member is the data element for forming digit broadcasting system standard DVB standard data.
Optionally:
The CAM is recombinated to obtain normal data packet to the target data member specifically:
The CAM is recombinated the target data member according to DVB standard to obtain normal data packet, the normal data
Packet meets DVB standard.
Optionally:
The method also includes:
The CAM monitors the PID Packet Identifier PID of data packet in the business data flow;
The normal data packet is loaded by the CAM to be obtained target data stream in the business data flow and includes:
When detecting redundant data packets identical with preset PID there are PID in the business data flow, the CAM sentences
Whether the normal data packet that breaks is disposed;
If so, replacing the redundant data packets using the normal data packet obtains target data stream;
If it is not, then replacing the redundant data packets using NULL data packet obtains target data stream.
Optionally:
The CAM obtains the nonstandard numbers evidence carried in the business data flow specifically:
The PID for the nonstandard numbers evidence that the CAM is provided according to operator is filtered the business data flow to obtain institute
State nonstandard numbers evidence.
Optionally:
The normal data packet is loaded by the CAM obtain target data stream in the business data flow after, it is described
CAM sends host before for the target data stream
The CAM adjusts the target data stream timing.
Second aspect of the present invention provides a kind of Conditional Access Module, comprising:
Receiving module, for receiving business data flow;
Module is obtained, for obtaining the nonstandard numbers evidence carried in the received business data flow of the receiving module;
Processing module, for the nonstandard numbers that gets of acquisition module according to being handled to obtain normal data
Packet;
Loading module, the normal data packet for obtaining the processing module are loaded into the business data flow
Obtain target data stream;
Sending module, the target data stream for obtaining the loading module is sent to host, so that described
Business can be presented according to the data of the target data stream in host.
Optionally:
The processing module includes:
Resolution unit, it is first according to target data is obtained for parsing the nonstandard numbers;
Recomposition unit, for being recombinated to obtain normal data packet to the target data member.
Optionally:
The recomposition unit is specifically used for being recombinated the target data member to obtain normal data according to DVB standard
Packet.
Optionally:
The Conditional Access Module further include:
Monitoring module, for monitoring the PID of data packet in the business data flow;
The loading module includes:
Judging unit detects that there are PID redundant data packets identical with preset PID in the business data flow for working as
When, judge whether the normal data packet is disposed;
First replacement unit, for when the judging unit determines that the normal data packet is disposed, using described
Normal data packet replaces the redundant data packets and obtains target data stream;
Second replacement unit, for using when the judging unit determines that the normal data packet is not disposed
NULL data packet replaces the redundant data packets and obtains target data stream.
Optionally:
The PID that the acquisition module is specifically used for the nonstandard numbers evidence provided according to operator flows into the business datum
The nonstandard numbers evidence is obtained by filtration in row.
Optionally:
The Conditional Access Module further include:
Module is adjusted, for adjusting the timing of the target data stream.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that Conditional Access Module CAM is received
After business data flow, the nonstandard numbers evidence in the business data flow can be got, and to the nonstandard numbers according to handle
To normal data packet, which is loaded into the business data flow and obtains target data stream by CAM, and by the number of targets
It is sent to host according to stream, enables the host to that business is presented according to the target data stream, since CAM is digital TV integrated machine
CA module is extended, does not need to carry out the analysis and processing to nonstandard numbers evidence using set-top box, thus uses DTV one
Machine is also able to achieve the associated custom business of operator.
Detailed description of the invention
One embodiment flow chart of data processing method in Fig. 1 embodiment of the present invention;
Another embodiment flow chart of data processing method in Fig. 2 embodiment of the present invention;
Another embodiment flow chart of data processing method in Fig. 3 embodiment of the present invention;
Another embodiment flow chart of data processing method in Fig. 4 embodiment of the present invention;
One embodiment schematic diagram of Fig. 5 conditional receiving module of the embodiment of the present invention;
Another embodiment schematic diagram of Fig. 6 conditional receiving module of the embodiment of the present invention;
Another embodiment schematic diagram of Fig. 7 conditional receiving module of the embodiment of the present invention;
Another embodiment schematic diagram of Fig. 8 conditional receiving module of the embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of data processing methods, and customization is realized on digital TV integrated machine for solving
The problem of business.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
Referring to Fig. 1, one embodiment of data processing method includes: in the embodiment of the present invention
101, CAM receives business data flow;
After the digital television signal that operator sends is by being demodulated into business data flow, host passes through the business data flow
CI interface is sent to CAM, and CAM receives the business data flow.
It should be noted that host is the equipment for having connection with CAM, it is the platform for building CAM work, host needs support
Normalized by definition.
102, CAM obtains the nonstandard numbers evidence carried in the business data flow;
After CAM receives business data flow, CAM obtains the nonstandard numbers evidence carried in the business data flow.
103, CAM is to the nonstandard numbers according to being handled to obtain normal data packet;
When CAM get the nonstandard numbers that is carried in business data flow according to after, CAM is to the nonstandard numbers according to handle
To normal data packet.
104, the normal data packet is loaded into the business data flow and obtains target data stream by CAM;
After CAM obtains normal data packet by processing nonstandard numbers evidence, which is loaded into the business by CAM
Target data stream is obtained in data flow.
105, the target data stream is sent host by CAM.
Target data is obtained when processing nonstandard numbers is loaded into the business data flow by CAM according to obtained normal data packet
After stream, the target data stream is sent host by CAM, so that business is presented according to the target data stream in host.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that CAM receives business data flow
Afterwards, the nonstandard numbers evidence in the business data flow can be got, and to the nonstandard numbers according to being handled to obtain normal data
Packet, which is loaded into the business data flow and obtains target data stream by CAM, and sends the target data stream to
Host enables the host to that business is presented according to the target data stream, since CAM is the extension CA mould of digital TV integrated machine
Block does not need to carry out the analysis and processing to nonstandard numbers evidence using set-top box, thus can be real using digital TV integrated machine yet
The associated custom business of existing operator.
CAM is described below to nonstandard numbers according to the detailed process handled, referring to Fig. 2, number in the embodiment of the present invention
Include: according to another embodiment of processing method
201, CAM receives business data flow;
After the digital television signal that operator sends is by being demodulated into business data flow, host passes through the business data flow
CI interface is sent to CAM, and CAM receives the business data flow.
It should be noted that host is the equipment for having connection with CAM, it is the platform for building CAM work, host needs support
Normalized by definition, in practical applications, host can be the digital TV integrated machine of operator, be also possible to other equipment, tool
Body is herein without limitation.
In practical applications, business data flow specifically can be TS stream, is also possible to other data flows, does not do herein specifically
It limits.
202, CAM obtains the nonstandard numbers evidence carried in the business data flow;
After CAM receives business data flow, CAM obtains the nonstandard numbers evidence carried in the business data flow.
In the present embodiment, nonstandard numbers, can be with according to may include the privately owned customization data for realizing carrier customization business
Including other non-compliant data, specifically herein without limitation.
It should be noted that the PID for the nonstandard numbers evidence that CAM can be provided according to operator flows into the business datum
The nonstandard numbers evidence is obtained by filtration in row, and in practical applications, CAM can also obtain non-in business data flow by other means
Normal data, specifically herein without limitation.
203, it is first according to target data is obtained to parse the nonstandard numbers by CAM;
After CAM gets the nonstandard numbers evidence carried in business data flow, CAM is obtained by parsing nonstandard numbers evidence
Target data member.
In practical applications, the analytic method for the nonstandard numbers evidence that CAM is provided according to operator to the nonstandard numbers according into
Row parsing obtains target data member.
It should be noted that the target data member is the data element for forming digit broadcasting system standard DVB standard data.
204, CAM is recombinated to obtain normal data packet to the target data member;
After CAM obtains target data member by parsing nonstandard numbers evidence, CAM is recombinated to obtain to the target data member
Normal data packet.
It should be noted that CAM the target data member is recombinated to obtain normal data packet specifically may is that CAM by
It is recombinated the target data member to obtain normal data packet according to DVB standard, which meets DVB standard, in reality
In, CAM can also by other means be recombinated target data member, specifically herein without limitation.
205, the normal data packet is loaded into the business data flow and obtains target data stream by CAM;
After CAM obtains normal data packet by processing nonstandard numbers evidence, which is loaded into the business by CAM
Target data stream is obtained in data flow.
206, the target data stream is sent host by CAM.
Target data is obtained when processing nonstandard numbers is loaded into the business data flow by CAM according to obtained normal data packet
After stream, the target data stream is sent host by CAM, so that business is presented according to the target data stream in host.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that CAM receives business data flow
Afterwards, the nonstandard numbers evidence in the business data flow can be got, and to the nonstandard numbers according to being handled to obtain normal data
Packet, which is loaded into the business data flow and obtains target data stream by CAM, and sends the target data stream to
Host enables the host to that business is presented according to the target data stream, since CAM is the extension CA mould of digital TV integrated machine
Block does not need to carry out the analysis and processing to nonstandard numbers evidence using set-top box, thus can be real using digital TV integrated machine yet
The associated custom business of existing operator.
Secondly, present embodiments providing a kind of method that CAM processing nonstandard numbers evidence obtains normal data packet, the side of increasing
The alternative of case.
In practical applications, CAM can also monitor the PID of data packet in the business data flow, and pass through replacement redundancy number
Normal data packet is loaded into the business data flow according to the mode of packet, so that target data stream is obtained, it is specific:
Referring to Fig. 3, another embodiment of data processing method includes: in the embodiment of the present invention
301, CAM receives business data flow;
After the digital television signal that operator sends is by being demodulated into business data flow, host passes through the business data flow
CI interface is sent to CAM, and CAM receives the business data flow.
It should be noted that host is the equipment for having connection with CAM, it is the platform for building CAM work, host needs support
Normalized by definition, in practical applications, host can be the digital TV integrated machine of operator, be also possible to other equipment, tool
Body is herein without limitation.
In practical applications, business data flow specifically can be TS stream, is also possible to other data flows, does not do herein specifically
It limits.
302, CAM monitors the PID of data packet in the business data flow, executes step 303;
After CAM receives business data flow, CAM is being treated journey to the business data flow while monitoring the business
The PID of data packet in data flow.
303, judge with the presence or absence of PID redundant data packets identical with preset PID in the business data flow, if so, holding
Row step 306;
CAM is monitored business data flow, judges identical with preset PID with the presence or absence of PID in the business data flow
Redundant data packets, if so, thening follow the steps 306.
304, CAM obtains the nonstandard numbers evidence carried in the business data flow;
After CAM receives business data flow, CAM obtains the nonstandard numbers evidence carried in the business data flow.
In the present embodiment, nonstandard numbers, can be with according to may include the privately owned customization data for realizing carrier customization business
Including other non-compliant data, specifically herein without limitation.
It should be noted that the PID for the nonstandard numbers evidence that CAM can be provided according to operator flows into the business datum
The nonstandard numbers evidence is obtained by filtration in row, and in practical applications, CAM can also obtain non-in business data flow by other means
Normal data, specifically herein without limitation.
305, CAM is to the nonstandard numbers according to being handled to obtain normal data packet;
When CAM get the nonstandard numbers that is carried in business data flow according to after, CAM is to the nonstandard numbers according to handle
To normal data packet, specific implementation can be similar to embodiment illustrated in fig. 2, and details are not described herein again.
306, CAM judges whether the normal data packet is disposed, if so, 307 are thened follow the steps, if it is not, then executing step
Rapid 308;
When detecting redundant data packets identical with preset PID there are PID in the business data flow, CAM judgment criteria
Whether data packet is disposed, if so, 307 are thened follow the steps, if it is not, thening follow the steps 308.
307, CAM replaces the redundant data packets using the normal data packet and obtains target data stream, executes step 309;
When CAM determines that normal data packet is disposed, CAM replaces the redundant data detected using the normal data packet
Packet obtains target data stream, executes step 309.
308, CAM replaces the redundant data packets using NULL data packet and obtains target data stream, executes step 309;
When CAM determines that normal data packet is disposed, CAM replaces the redundant data packets detected using NULL data packet
Target data stream is obtained, step 309 is executed.
309, the target data stream is sent host by CAM.
Target data is obtained when processing nonstandard numbers is loaded into the business data flow by CAM according to obtained normal data packet
After stream, the target data stream is sent host by CAM, so that business is presented according to the target data stream in host.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that CAM receives business data flow
Afterwards, the nonstandard numbers evidence in the business data flow can be got, and to the nonstandard numbers according to being handled to obtain normal data
Packet, which is loaded into the business data flow and obtains target data stream by CAM, and sends the target data stream to
Host enables the host to that business is presented according to the target data stream, since CAM is the extension CA mould of digital TV integrated machine
Block does not need to carry out the analysis and processing to nonstandard numbers evidence using set-top box, thus can be real using digital TV integrated machine yet
The associated custom business of existing operator.
Secondly, present embodiments providing a kind of normal data packet is loaded into business data flow obtains target data stream
Concrete mode increases the alternative of scheme.
It should be noted that step 302 and step 303 can after step 301, step 306 in above-described embodiment
Any place before executes, specifically herein without limitation.
Referring to Fig. 4, another embodiment of data processing method includes: in the embodiment of the present invention
401, CAM receives business data flow;
After the digital television signal that operator sends is by being demodulated into business data flow, host passes through the business data flow
CI interface is sent to CAM, and CAM receives the business data flow.
It should be noted that host is the equipment for having connection with CAM, it is the platform for building CAM work, host needs support
Normalized by definition, in practical applications, host can be the digital TV integrated machine of operator, be also possible to other equipment, tool
Body is herein without limitation.
In practical applications, business data flow specifically can be TS stream or network, be also possible to other data flows, it is specific this
Place is without limitation.
402, CAM obtains the nonstandard numbers evidence carried in the business data flow;
After CAM receives business data flow, CAM obtains the nonstandard numbers evidence carried in the business data flow.
In the present embodiment, nonstandard numbers, can be with according to may include the privately owned customization data for realizing carrier customization business
Including other non-compliant data, specifically herein without limitation.
It should be noted that the PID for the nonstandard numbers evidence that CAM can be provided according to operator flows into the business datum
The nonstandard numbers evidence is obtained by filtration in row, and in practical applications, CAM can also obtain non-in business data flow by other means
Normal data, specifically herein without limitation.
403, CAM is to the nonstandard numbers according to being handled to obtain normal data packet;
When CAM get the nonstandard numbers that is carried in business data flow according to after, CAM is to the nonstandard numbers according to handle
To normal data packet, specific implementation can be similar to embodiment illustrated in fig. 2, and details are not described herein again.
404, the normal data packet is loaded into the business data flow and obtains target data stream by CAM;
After CAM obtains normal data packet by processing nonstandard numbers evidence, which is loaded into the business by CAM
Target data stream is obtained in data flow, specific implementation can be similar to embodiment shown in Fig. 3, specifically no longer superfluous herein
It states.
405, CAM adjusts the target data stream timing;
After normal data packet is loaded by CAM obtains target data stream in business data flow, CAM adjusts the target data
Flow timing.
It should be noted that the purpose of CAM adjustment target data stream timing is, so that the bit rate output of target data stream
Match with input bit rate.
406, the target data stream is sent host by CAM.
Target data is obtained when processing nonstandard numbers is loaded into the business data flow by CAM according to obtained normal data packet
After stream, the target data stream is sent host by CAM, so that business is presented according to the target data stream in host.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that CAM receives business data flow
Afterwards, the nonstandard numbers evidence in the business data flow can be got, and to the nonstandard numbers according to being handled to obtain normal data
Packet, which is loaded into the business data flow and obtains target data stream by CAM, and sends the target data stream to
Host enables the host to that business is presented according to the target data stream, since CAM is the extension CA mould of digital TV integrated machine
Block does not need to carry out the analysis and processing to nonstandard numbers evidence using set-top box, thus can be real using digital TV integrated machine yet
The associated custom business of existing operator.
Secondly, embodiment adds CAM to adjust target data stream timing, the alternative of scheme is increased.
For ease of understanding, data processing method in the embodiment of the present invention is carried out with a concrete application scene below detailed
Description, specific:
The host A that certain user uses is digital TV integrated machine, when operator will carry the business number of nonstandard numbers evidence
After being sent to host A, host sends CAM by CI interface for the business data flow, it is assumed that operator's nonstandard numbers evidence
PID is 0x22, after CAM receives the business data flow, is monitored to the business data flow, and according to the nonstandard of operator's offer
The PID of quasi- data filters out the nonstandard numbers evidence that PID in business data flow is 0x22, when PID is the nonstandard of 0x22 by CAM
After quasi- data filtering comes out, nonstandard numbers evidence of the analytic method of the nonstandard numbers evidence provided according to operator to PID for 0x22
It is parsed to obtain the target data member of composition DVB standard data, for example the nonstandard numbers that PID is 0x22 is in
The element of componen_tag field and the element of stream_type field, CAM is first by the target data, i.e. componen_
The element of tag field and the element of stream_type field are recombinated to obtain the normal data packet for meeting DVB standard, when
When CAM detects that having PID in business data flow is the redundant data packets of 0x22, whether CAM judgment criteria data packet is ready,
If ready, target data stream is obtained with the redundant data packets that normal data packet replacement PID is 0x22, if offhand complete
Finish, then obtains target data stream with the redundant data packets that NULL data packet replacement PID is 0x22, CAM adjusts the target data stream
Timing, guarantee after replacement redundancy data, the code rate that the bit rate output of target data stream is inputted with industry matches, and CAM is by mesh
Mark data flow sends back host by CI interface, and host gets the target data stream for meeting DVB standard after converting, and according to
Business is presented in target data stream, and then completes the custom service of operator.
Data processing method in the embodiment of the present invention is described above, conditional of the embodiment of the present invention is connect below
Module is received to be described, specific:
Referring to Fig. 5, one embodiment of conditional receiving module of the embodiment of the present invention includes:
Receiving module 501, for receiving business data flow;
Module 502 is obtained, for obtaining the nonstandard numbers evidence carried in the received business data flow of receiving module 501;
Processing module 503, for obtaining the nonstandard numbers that gets of module 502 according to being handled to obtain normal data
Packet;
Loading module 504, the normal data packet for obtaining processing module 503, which is loaded into business data flow, obtains mesh
Mark data flow;
Sending module 505, the target data stream for obtaining loading module 504 are sent to host.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that receiving module 501 receives business
After data flow, the nonstandard numbers evidence in the business data flow can be got by obtaining module 502, by processing module 503 to this
Nonstandard numbers is according to being handled to obtain normal data packet, and later, which is loaded into the business number by loading module 504
According to obtaining target data stream in stream, and host is sent for the target data stream by sending module 505, enables the host to root
According to the target data stream present business, since CAM is the extension CA module of digital TV integrated machine, do not need using set-top box into
Analysis and processing of the row to nonstandard numbers evidence, thus also it is able to achieve using digital TV integrated machine the associated custom industry of operator
Business.
Referring to Fig. 6, another embodiment of conditional receiving module of the embodiment of the present invention includes:
Receiving module 601, for receiving business data flow;
Module 602 is obtained, for obtaining the nonstandard numbers evidence carried in the received business data flow of receiving module 601;
Processing module 603, for obtaining the nonstandard numbers that gets of module 602 according to being handled to obtain normal data
Packet;
Loading module 604, the normal data packet for obtaining processing module 603, which is loaded into business data flow, obtains mesh
Mark data flow;
Sending module 605, the target data stream for obtaining loading module 604 are sent to host;
Wherein, it obtains module 602 and is specifically used for the PID of the nonstandard numbers evidence provided according to operator to the business data flow
It is filtered to obtain nonstandard numbers evidence;
Processing module 603 specifically includes:
Resolution unit 6031, it is first according to target data is obtained for parsing nonstandard numbers;
Recomposition unit 6032 obtains normal data packet for being recombinated to target data member;
Wherein, recomposition unit 6032 is specifically used for being recombinated target data member to obtain normal data according to DVB standard
Packet.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that receiving module 601 receives business
After data flow, the nonstandard numbers evidence in the business data flow can be got by obtaining module 602, by solving in processing module 603
Analysis unit 6031 to the nonstandard numbers according to being parsed to obtain target data member,.Later by recomposition unit 6032 to the number of targets
It is recombinated to obtain normal data packet according to DVB standard according to member, later, which is loaded into this by loading module 604
Target data stream is obtained in business data flow, and host is sent for the target data stream by sending module 605, so that host
Business can be presented according to the target data stream not needing since CAM is the extension CA module of digital TV integrated machine using machine
Top box carries out the analysis and processing to nonstandard numbers evidence, thus the correlation for being also able to achieve using digital TV integrated machine operator is fixed
Business processed.
Referring to Fig. 7, another embodiment of conditional receiving module of the embodiment of the present invention includes:
Receiving module 701, for receiving business data flow;
Monitoring module 702, the business data flow received for monitoring receiving module 701
Module 703 is obtained, for obtaining the nonstandard numbers evidence carried in the received business data flow of receiving module 701;
Processing module 704, for obtaining the nonstandard numbers that gets of module 703 according to being handled to obtain normal data
Packet;
Loading module 705, the normal data packet for obtaining processing module 704, which is loaded into business data flow, obtains mesh
Mark data flow;
Sending module 706, the target data stream for obtaining loading module 705 are sent to host;
Wherein, it obtains module 703 and is specifically used for the PID of the nonstandard numbers evidence provided according to operator to the business data flow
It is filtered to obtain nonstandard numbers evidence;
Loading module 705 specifically includes:
Judging unit 7051 detects that there are PID redundant data packets identical with preset PID in business data flow for working as
When, whether judgment criteria data packet is disposed, if so, the first replacement unit 7052 of triggering, if it is not, then the second replacement of triggering
Unit 7053;
First replacement unit 7052 uses the criterion numeral when judging unit 7051 determines that normal data packet is disposed
The redundant data packets, which are replaced, according to packet obtains target data stream;
First replacement unit 7053 uses NULL when judging unit 7051 determines that normal data packet is not disposed
Data packet replaces the redundant data packets and obtains target data stream.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that receiving module 701 receives business
After data flow, monitoring module 702 is monitored the business data flow, and the business data flow can be got by obtaining module 703
In nonstandard numbers evidence, monitoring module is worked as according to being handled to obtain normal data packet to the nonstandard numbers by processing module 704
Judging unit when detecting redundant data packets identical with preset PID there are PID in business data flow, in loading module 705
Whether 7051 judgment criteria data packets are ready, if so, the first replacement unit 7052 should using normal data packet replacement
Redundant data packets obtain target data stream, if it is not, then the second replacement unit 7053 using NULL data packet replaces the redundant data
Packet obtains target data stream, and sends host for the target data stream by sending module 706, and enabling the host to basis should
Business is presented in target data stream, since CAM is the extension CA module of digital TV integrated machine, does not need to carry out using set-top box pair
The analysis and processing of nonstandard numbers evidence, thus also it is able to achieve using digital TV integrated machine the associated custom business of operator.
Referring to Fig. 8, another embodiment of conditional receiving module of the embodiment of the present invention includes:
Receiving module 801, for receiving business data flow;
Monitoring module 802, the business data flow received for monitoring receiving module 801
Module 803 is obtained, for obtaining the nonstandard numbers evidence carried in the received business data flow of receiving module 801;
Processing module 804, for obtaining the nonstandard numbers that gets of module 803 according to being handled to obtain normal data
Packet;
Loading module 805, the normal data packet for obtaining processing module 804 are loaded into the business data flow and obtain
To target data stream;
Module 806 is adjusted, for adjusting the timing for the target data stream that loading module 805 obtains;
Sending module 807, for by be adjusted module 806 adjust timing after target data stream be sent to host;
Wherein, it obtains module 803 and is specifically used for the PID of the nonstandard numbers evidence provided according to operator to the business data flow
It is filtered to obtain nonstandard numbers evidence;
Processing module 804 specifically includes:
Resolution unit 8041, it is first according to target data is obtained for parsing nonstandard numbers;
Recomposition unit 8042 obtains normal data packet for being recombinated to target data member;
Wherein, recomposition unit 8042 is specifically used for being recombinated the target data member to obtain criterion numeral according to DVB standard
According to packet.
Loading module 805 specifically includes:
Judging unit 8051 detects that there are PID redundant data packets identical with preset PID in business data flow for working as
When, whether judgment criteria data packet is disposed, if so, the first replacement unit 8052 of triggering, if it is not, then the second replacement of triggering
Unit 8053;
First replacement unit 8052 uses the mark when the judging unit determines that the normal data packet is disposed
Quasi- data packet replaces the redundant data packets and obtains target data stream;
First replacement unit 8053 is used when the judging unit determines that the normal data packet is not disposed
NULL data packet replaces the redundant data packets and obtains target data stream.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that receiving module 801 receives business
After data flow, monitoring module 802 is monitored the business data flow, and the business data flow can be got by obtaining module 803
In nonstandard numbers evidence, monitoring module is worked as according to being handled to obtain normal data packet to the nonstandard numbers by processing module 804
Judging unit when detecting redundant data packets identical with preset PID there are PID in business data flow, in loading module 805
Whether 8051 judgment criteria data packets are ready, if so, the first replacement unit 8052 should using normal data packet replacement
Redundant data packets obtain target data stream, if it is not, then the second replacement unit 8053 using NULL data packet replaces the redundant data
Packet obtains target data stream, and sends host for the target data stream by sending module 806, and enabling the host to basis should
Business is presented in target data stream, since CAM is the extension CA module of digital TV integrated machine, does not need to carry out using set-top box pair
The analysis and processing of nonstandard numbers evidence, thus also it is able to achieve using digital TV integrated machine the associated custom business of operator.
For ease of understanding, below with a concrete application scene to conditional receiving module modules of the embodiment of the present invention
Between data exchange process be described in detail, it is specific:
After the digital television signal that operator sends is by being demodulated into business data flow, host passes through the business data flow
CI interface is sent to CAM, and CAM receiving module 801 receives the business data flow.
It should be noted that host is the equipment for having connection with CAM, it is the platform for building CAM work, in practical application
In, host needs support normalized by definition.
In practical applications, business data flow specifically can be TS stream or network, be also possible to other data flows, it is specific this
Place is without limitation.
After receiving module 801 receives business data flow, monitoring module 802 is monitored the business data flow, together
When CAM obtain module 803 and the business data flow can be filtered according to the PID of nonstandard numbers evidence that operator provides
To the nonstandard numbers evidence.
After CAM, which obtains module 803, gets the nonstandard numbers evidence carried in business data flow, CAM processing module 804 is right
The nonstandard numbers is according to being handled to obtain normal data packet, and specific implementation can be similar to embodiment illustrated in fig. 6, herein not
It repeats again.
After CAM handles nonstandard numbers according to normal data packet is obtained by processing module 804, CAM loading module 805 should
Normal data packet, which is loaded into the business data flow, obtains target data stream, and specific implementation can be with implementation shown in Fig. 7
Example is similar, and specific details are not described herein again.
After normal data packet is loaded by CAM obtains target data stream in business data flow, CAM is by adjusting module
806 adjust the target data stream timing.
It should be noted that the purpose of CAM adjustment target data stream timing is, so that the bit rate output of target data stream
Match with input bit rate.
Target data is obtained when processing nonstandard numbers is loaded into the business data flow by CAM according to obtained normal data packet
After stream, CAM sends host for the target data stream by sending module 807, so that host is presented according to the target data stream
Business.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features;And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of data processing method characterized by comprising
Conditional Access Module CAM receives business data flow;
The CAM obtains the nonstandard numbers evidence carried in the business data flow;
The CAM is to the nonstandard numbers according to being handled to obtain normal data packet;
The normal data packet is loaded into the business data flow and obtains target data stream by the CAM;
The target data stream is sent host by the CAM, so that industry is presented according to the target data stream in the host
Business;The CAM includes: according to being handled to obtain normal data packet to the nonstandard numbers
It is first according to target data is obtained that the CAM parses the nonstandard numbers;
The CAM is recombinated to obtain normal data packet to the target data member;
The target data member is the data element for forming digit broadcasting system standard DVB standard data;
The CAM is recombinated to obtain normal data packet to the target data member specifically:
The CAM is recombinated the target data member according to DVB standard to obtain normal data packet, the normal data packet symbol
Close DVB standard.
2. data processing method according to claim 1, which is characterized in that the method also includes:
The CAM monitors the PID Packet Identifier PID of data packet in the business data flow;
The normal data packet is loaded by the CAM to be obtained target data stream in the business data flow and includes:
When detecting redundant data packets identical with preset PID there are PID in the business data flow, the CAM judges institute
State whether normal data packet is disposed;
If so, replacing the redundant data packets using the normal data packet obtains target data stream;
If it is not, then replacing the redundant data packets using NULL data packet obtains target data stream.
3. data processing method according to claim 1 or 2, which is characterized in that the CAM obtains the business data flow
The nonstandard numbers evidence of middle carrying specifically:
The PID for the nonstandard numbers evidence that the CAM is provided according to operator is filtered to obtain described non-to the business data flow
Normal data.
4. data processing method according to claim 1 or 2, which is characterized in that the CAM adds the normal data packet
It is downloaded to after obtaining target data stream in the business data flow, the CAM sends the target data stream to before host
Include:
The CAM adjusts the target data stream timing.
5. data processing method according to claim 3, which is characterized in that the CAM loads the normal data packet
After obtaining target data stream into the business data flow, the CAM is wrapped before sending host for the target data stream
It includes:
The CAM adjusts the target data stream timing.
6. a kind of Conditional Access Module characterized by comprising
Receiving module, for receiving business data flow;
Module is obtained, for obtaining the nonstandard numbers evidence carried in the received business data flow of the receiving module;
Processing module, for the nonstandard numbers that gets of acquisition module according to being handled to obtain normal data packet;
Loading module, the normal data packet for obtaining the processing module, which is loaded into the business data flow, to be obtained
Target data stream;
Sending module, the target data stream for obtaining the loading module is sent to host, so that the host
Business can be presented according to the data of the target data stream;
The processing module includes:
Resolution unit, it is first according to target data is obtained for parsing the nonstandard numbers;
Recomposition unit, for being recombinated to obtain normal data packet to the target data member;
The recomposition unit is specifically used for being recombinated the target data member to obtain normal data packet according to DVB standard.
7. Conditional Access Module according to claim 6, which is characterized in that the Conditional Access Module further include:
Monitoring module, for monitoring the PID of data packet in the business data flow;
The loading module includes:
Judging unit, for when detecting redundant data packets identical with preset PID there are PID in the business data flow,
Judge whether the normal data packet is disposed;
First replacement unit, for using the standard when the judging unit determines that the normal data packet is disposed
Data packet replaces the redundant data packets and obtains target data stream;
Second replacement unit, for using NULL when the judging unit determines that the normal data packet is not disposed
Data packet replaces the redundant data packets and obtains target data stream.
8. Conditional Access Module according to claim 6 or 7, which is characterized in that the acquisition module is specifically used for basis
The PID for the nonstandard numbers evidence that operator provides is filtered the business data flow to obtain the nonstandard numbers evidence.
9. Conditional Access Module described in any one of according to claim 6 or 7, which is characterized in that the Conditional Access Module
Further include:
Module is adjusted, for adjusting the timing of the target data stream.
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