CN107135184A - Information exchange mechanism and network transfer method in a kind of multimedia system - Google Patents
Information exchange mechanism and network transfer method in a kind of multimedia system Download PDFInfo
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- CN107135184A CN107135184A CN201610107748.0A CN201610107748A CN107135184A CN 107135184 A CN107135184 A CN 107135184A CN 201610107748 A CN201610107748 A CN 201610107748A CN 107135184 A CN107135184 A CN 107135184A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/03—Protocol definition or specification
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
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- Computer Security & Cryptography (AREA)
- Information Transfer Between Computers (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
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Abstract
The present invention provides information exchange mechanism and network transfer method in a kind of multimedia system, and the mechanism realizes that two-way snap information is interacted using the interaction message main body comprising following field：The MessageID field of interaction message；The version number field of message；Message-length identification field；Indicate the data segment of current message load (payload).The present invention can solve the problem that the defect for lacking high efficient and flexible two-way information interaction mechanism in existing medium transmission system, while all medium transmission systems can be applied to.
Description
Technical field
The present invention relates to information exchange mechanism in a kind of multimedia system, more precisely, being related to a kind of multimedia system
Middle information exchange mechanism and network transfer method.
Background technology
With the rise of a new generation such as cloud computing, Internet of Things, intelligent wearable device application consumption mode, based on traditional
The one-way data transfer of audio-video frequency media can not meet the demand of various applications.Passed in multi-media transmission system of new generation
Defeated new data transmission format should include various possible data types, while communicating pair need to support two-way communication comes real
Existing different service logic and operation flow.
Real-time information interaction increasingly becomes the important trend of data exchange in Future Multimedia system, and wherein user needs
By the real-time upload server of interaction data, so that server is able to know that user's current operation and working condition, on the other hand take
Business device is analyzed and calculated to awareness information, makes quick response, result is passed into user in real time.It is characterized in letter
Interest statement time data volume is small, but frequency of interaction is very high, to uploading, under to push away requirement of real-time very high, so message format should be simple,
Expense is the smaller the better.Therefore the format design for this information exchange is particularly important.
Non-real-time information interaction is mainly resource request response interactive information, and the purpose is to meet user according to their needs
The demand of the resource data of active request server end, its feature interacts for conversational, non real-time frequent interaction, but needs client
Hold the communication link support and the significant response of server of server end.Flow is to obtain it after user receives program stream
The available resource information of offer, including description file and media data, then ask corresponding data to server end, and server connects
Receive and request legitimacy is examined after request, confirmation is sent if legal and data are transmitted, failure information is otherwise sent.Efficiently
Multi-media transmission system should meet the request of more lightweight and response interactive mode, while towards multimedia exchange format
It should be supported.
Through retrieval, Chinese invention patent CN200310123710.5 is related to one kind in the system and is easy to be accompanied with multimedia
The peculiar information data structure of program that the programme content and program guide data of object are communicated, multimedia object includes sound
Frequently, video, animation, rest image, internet, Email, text and other types of data.The data structure is supported for example
The one-way communication of passive viewing applies the two-way communication application with such as type of interaction function.Decoder processes packetizing number of programs
According to the peculiar information of program for including auxiliary description information, auxiliary description information includes multimedia object type, position and other
Descriptive designator.These designators are used to obtaining and decoding the multimedia object never obtained with information source, to represent to regard
Show in the composite video image of frequency programme content or program guide.Utilize additional aided location and acquisition description information, energy
Enough peculiar information units of program and program content data for obtaining supplement.But the patent lacks efficiently two-way snap information interaction
Mechanism.
The content of the invention
For defect of the prior art, it is an object of the invention to provide information exchange mechanism in a kind of multimedia system,
Aim to solve the problem that the defect for lacking efficiently two-way snap information interaction mechanism in existing medium transmission system.
According to one object of the present invention there is provided information exchange mechanism in a kind of multimedia system, the mechanism is adopted
Two-way snap information interaction is realized with following interaction message main body, the interaction message main body includes following field：
The MessageID field of interaction message；
The version number field of message；
Message-length identification field；
Indicate the data segment of current message load (payload).
Further, the data segment for including sign current message load (payload), includes following field：
Reserved field；
The identification field of message content classification.
Further, the data segment for including sign current message load (payload), also comprising following field：
Denote the field of the sequence number of this message；
Denote the field of the sequence number of message associated by this message；
Denote the field of feedback states；
Denote the field of the content format of this message；
Denote the field of the content data length of this message；
Indicate the byte data section of current interactive information.
In the present invention：Message interacts for conversational, user's request and system response format organic unity, supports present mechanism
Server client both sides, even if the interface without http agreements, can also realize towards multimedia resource request and respond class
Lightweight interactive application.This is transmitted for media network, is brought great convenience.
Coordinate flexible message body form mechanism proposed by the invention, various media business real needs can be directed to,
Design proper specific message format.The host-host protocol of quickness and high efficiency combines flexible customizable message body form, makes the present invention
All medium transmission systems can be applied to.
According to the second object of the present invention, there is provided mutual information data in a kind of multimedia system based on above-mentioned mechanism
Network transfer method, including：
Specific bit load in step a, the expansible message format that network-termination device has been customized by message body in advance
The form of data segment or customized form encapsulation messages body " PRR_data_byte " field.
Step b, network-termination device is overall by interaction message body format encapsulation messages.
Step c, network-termination device is encapsulated into message by selected network communication protocol " payload " form definition
Agreement " payload ".
Step d, network-termination device is by the one or more packet network transmission datas bags of protocol format definition generation.
Step e, the webserver is received after the packet packets that one or more clients are submitted, by data pack protocol
Head, parses complete protocol level " payload " data segment.
Step f, the webserver is defined by selected procotol " payload " form and solves complete message body number
According to section.
Step g, the webserver is defined the bit load data segment (i.e. " PRR_data_ for solving message body by message header
Data contained by byte " fields).
Step h, the webserver presses message definition or customized form, parsing bit load data segment (i.e. " PRR_
Data contained by data_byte " fields), and carry out respective handling and response.
Server end to network-termination device communication, also in accordance with this step.This data format and methods for using them, meets net
The requirement of network two-way communication.
Compared with prior art, the present invention has following beneficial effect：
Using technical scheme, the characteristics of information exchange mechanism can be directed to a variety of interactive datas,
The transformat of the unified interactive data of design, by the transmitting step of unified interactive data, communicating pair can be big
It is big to save to adapt to the expense that different types of data is brought；Further, " payload " data segment also allows certainly in message body
Definition, with reference to the reserved field in message header, can just realize the extension of system very conveniently.The present invention can be effectively improved
The efficiency of transmission of media network.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is interaction message messages application schematic diagram in one embodiment of the invention.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
The invention provides information exchange mechanism in a kind of multi-media transmission system, it is intended to solves existing medium transmission system
In, lack the defect of efficiently two-way snap information interaction mechanism.The transformat of the unified interactive data of the Mechanism Design,
By the transmitting step of unified interactive data, save to adapt to the expense that different types of data is brought.
Implementation detail of the present invention is illustrated below, in section Example of the present invention, interactive information main body bag
Containing following field (as shown in table 3)：
MessageID field comprising interaction message；
Version number field comprising message；
Include message-length identification field；
Include the data segment of sign current message load (payload).
Further, in section Example of the present invention, Message Payload wherein includes following field：
Include reserved field；
Include the identification field of message content classification；
- PRR_type field the values of table 1
| Value | description |
| 0 | POST uplink |
| 1 | POST downlink transfers |
Further, the identification field for message content classification is entered as under correspondence " 0 " form：
Include the field for the sequence number for denoting this message；
Include the field for the content format for denoting this message；
Include the field for the content data length for denoting this message；
Include the byte data section for indicating current interactive information；
Further, the identification field for message content classification is entered as under correspondence " 1 " form：
Include the field for the sequence number for denoting the message associated by this message；
Include the field for denoting feedback states；
- status_number field the values of table 2
Further, it is entered as (feedback states word under correspondence " 0x02 " form for denoting the field of feedback states
Section assignment is referred to the status codes values of standard Hypertext Transfer Protocol (HTTP) agreement, with
Keep good compatibility)：
Include the field for the content format for denoting this message；
Include the field for the content data length for denoting this message；
Include the byte data section for indicating current interactive information；
The structure of whole data format can be found in following interaction message form table and represent：
Table 3-interaction message form table
Based on information exchange mechanism in above-mentioned multi-media transmission system, the present invention is further to provide mutual information data
Network transfer method, as an embodiment, the network transfer method of message data of the present invention is applied in net
Between network terminal device and the webserver.Specifically include following steps:
Specific bit load in step a, the interaction message body format that network-termination device has been customized by message body in advance
The form of data segment or customized form encapsulation messages body " PRR_data_byte " field.
Step b, network-termination device is overall by interaction message body format encapsulation messages.
Step c, network-termination device is encapsulated into message by selected network communication protocol " payload " form definition
Agreement " payload ".
Step d, network-termination device is by the one or more packet network transmission datas bags of protocol format definition generation.
Step e, the webserver is received after the packet packets that one or more clients are submitted, by data pack protocol
Head, parses complete protocol level " payload " data segment.
Step f, the webserver is defined by selected procotol " payload " form and solves complete message body number
According to section.
Step g, the webserver is defined the bit load data segment (i.e. " PRR_data_ for solving message body by message header
Data contained by byte " fields).
Step h, the webserver presses message definition or customized form, parsing bit load data segment (i.e. " PRR_
Data contained by data_byte " fields), and carry out respective handling and response.
Server end to network-termination device communication, also in accordance with this step.This data format and methods for using them, meets net
The requirement of network two-way communication.
As an embodiment, with the message of the above-mentioned user-defined json forms of message format transmission of the present invention
Exemplified by content, the implementation steps of description messages interaction.The present invention has good autgmentability and flexibility, and user can be very square
Just using forms such as json, to transmit the customized information of oneself.Described below for actual step：
The information content is filled into json files.Such as user's request program is played out, and during which drags player progress
Bar, leaps to program and sometime puts and watched.Need to upload this time point information, so as to obtain since ad-hoc location
Packet.It is by the json file contents of this request generation then：
{"eventType":"request_movie_by_time","movieID":"123","time":"17:50"}
For this example, " PRR_type " field value is set to " 0 ", and " POST_serial_number " field value is set to " 111 ",
" mime_type () " field value is set to the value of correspondence json file types by mime standards.
This json file is filled into as bit streams " PRR_data_byte " data segment of message body, then carries out message
Transmission, specific messaging bottom can use any adaptable agreement and physical layer.
Server is received after this upload message, is accordingly parsed, and provides feedback information.Feedback information item is also used
Json forms carry out tissue.The biography message down so replied for server, occurrence sets as follows：
" PRR_type " field value is set to " 1 ", and " Response_number " field value is set to " 111 ", " status_
Number field values are set to " 0x02 ", and " mime_type () " field value is set to the value of correspondence json file types by mime standards.
And this json file is filled into as bit streams " PRR_data_byte " data segment of message body, then carry out the hair of message
Send.
This flow may refer to Fig. 1.
Non-type information format carry out information exchange by way of, it is necessary to for different server client do not stop into
Row overlapping development.Using the present invention, by the standardization of information format, answering for framework multimedia delivery network can be effectively reduced
Miscellaneous degree.
It should be appreciated that being only the section Example of the present invention above, the present invention is also applied to other biographies
Defeated system, only need to be by for specific business demand, extracting the network interaction information data for needing to transmit, information data
" payload " interior " PRR_data_byte " data segment of message is filled into, afterwards according to the network transmission side of mutual information data
Step described by method, just can be realized, on the basis of the technical scheme that the present invention is described, to those skilled in the art
It is readily appreciated that.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (9)
1. information exchange mechanism in a kind of multimedia system, it is characterised in that：The mechanism uses following interaction message master
Body realizes two-way snap information interaction, and the interaction message main body includes following field：
The MessageID field of interaction message；
The version number field of message；
Message-length identification field；
Indicate the data segment of current message load (payload).
2. information exchange mechanism in a kind of multimedia system according to claim 1, it is characterised in that：It is described to include sign
The data segment of current message load (payload), includes following field：
Reserved field；
The identification field of message content classification.
3. information exchange mechanism in a kind of multimedia system according to claim 1, it is characterised in that：The message content
The identification field of classification, assignment is as follows：
。
4. information exchange mechanism in a kind of multimedia system according to claim 3, it is characterised in that：For message content
The identification field of classification is entered as under correspondence " 0 " form：
Include the field for the sequence number for denoting this message；
Include the field for the content format for denoting this message；
Include the field for the content data length for denoting this message；
Include the byte data section for indicating current interactive information.
5. information exchange mechanism in a kind of multimedia system according to claim 3, it is characterised in that：For message content
The identification field of classification is entered as under correspondence " 1 " form：
Include the field for the sequence number for denoting the message associated by this message；
Include the field for denoting feedback states.
6. information exchange mechanism in a kind of multimedia system according to claim 5, it is characterised in that：It is described to denote instead
The field of feedback state, assignment is as follows：
7. information exchange mechanism in a kind of multimedia system according to claim 6, it is characterised in that：It is anti-for denoting
The field of feedback state is entered as under correspondence " 0x02 " form：
Include the field for the content format for denoting this message；
Include the field for the content data length for denoting this message；
Include the byte data section for indicating current interactive information.
8. information exchange mechanism in a kind of multimedia system according to claim 1, it is characterised in that：It is described to include sign
The data segment of current message load (payload), includes following field：
The data segment for including sign current message load (payload), includes following field：
Reserved field；
The identification field of message content classification；
Denote the field of the sequence number of this message；
Denote the field of the sequence number of message associated by this message；
Denote the field of feedback states；
Denote the field of the content format of this message；
Denote the field of the content data length of this message；
Indicate the byte data section of current interactive information.
9. the network of mutual information data is passed in a kind of any one of the use the claims 1-8 multimedia system of the mechanism
Transmission method, comprises the following steps：
Specific bit load data in step a, the expansible message format that network-termination device has been customized by message body in advance
The form or customized form encapsulation messages body " PRR_data_byte " field of section；
Step b, network-termination device is overall by interaction message body format encapsulation messages；
Step c, network-termination device is defined by selected network communication protocol " payload " form and message is encapsulated into agreement
“payload”；
Step d, network-termination device is by the one or more packet network transmission datas bags of protocol format definition generation；
Step e, the webserver is received after the packet packets that one or more clients are submitted, by data pack protocol head,
Parse complete protocol level " payload " data segment；
Step f, the webserver is defined by selected procotol " payload " form and solves complete message body data
Section；
Step g, the webserver is defined bit load data segment i.e. " PRR_data_byte " word for solving message body by message header
Duan Suohan data；
Step h, the webserver presses message definition or customized form, and parsing bit load data segment is " PRR_data_
Data contained by byte " fields, and carry out respective handling and response；
Server end to network-termination device communication, also in accordance with this step.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610107748.0A CN107135184B (en) | 2016-02-26 | 2016-02-26 | Information interaction system in multimedia system and network transmission method |
| CN202010543576.8A CN111726347B (en) | 2016-02-26 | 2016-02-26 | Information interaction mechanism and network transmission method in multimedia system |
| CA3115314A CA3115314C (en) | 2016-02-02 | 2017-01-25 | Information interaction mechanism and network transmission method in multimedia system |
| JP2018539974A JP2019508953A (en) | 2016-02-02 | 2017-01-25 | Information exchange mechanism and network transmission method in multimedia system |
| US16/075,106 US20230283651A1 (en) | 2016-02-02 | 2017-01-25 | Multimedia system information interaction mechanism and network transmission method |
| PCT/CN2017/072558 WO2017133611A1 (en) | 2016-02-02 | 2017-01-25 | Information interaction mechanism and network transmission method in multimedia system |
| KR1020187023649A KR102153611B1 (en) | 2016-02-02 | 2017-01-25 | Multimedia system information exchange mechanism and network transmission method |
| CA3013516A CA3013516C (en) | 2016-02-02 | 2017-01-25 | Information interaction mechanism and network transmission method in multimedia system |
| JP2022007885A JP2022058715A (en) | 2016-02-02 | 2022-01-21 | Information exchange mechanism and network transmission method in multimedia system |
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| CN201610107748.0A CN107135184B (en) | 2016-02-26 | 2016-02-26 | Information interaction system in multimedia system and network transmission method |
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| CN202010543576.8A Division CN111726347B (en) | 2016-02-26 | 2016-02-26 | Information interaction mechanism and network transmission method in multimedia system |
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| CN107135184A true CN107135184A (en) | 2017-09-05 |
| CN107135184B CN107135184B (en) | 2020-06-12 |
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| CN202010543576.8A Active CN111726347B (en) | 2016-02-26 | 2016-02-26 | Information interaction mechanism and network transmission method in multimedia system |
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Cited By (1)
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| CN109726022A (en) * | 2018-12-04 | 2019-05-07 | 中电科航空电子有限公司 | A kind of information receiving and transmitting implementation method of chain up and down of customized variable length |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111726347B (en) | 2022-04-15 |
| CN111726347A (en) | 2020-09-29 |
| CN107135184B (en) | 2020-06-12 |
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