CN101860799A - Transmission and receiving method and device for interactive service files - Google Patents
Transmission and receiving method and device for interactive service files Download PDFInfo
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- CN101860799A CN101860799A CN201010183594A CN201010183594A CN101860799A CN 101860799 A CN101860799 A CN 101860799A CN 201010183594 A CN201010183594 A CN 201010183594A CN 201010183594 A CN201010183594 A CN 201010183594A CN 101860799 A CN101860799 A CN 101860799A
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- interactive
- interactive medium
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8545—Content authoring for generating interactive applications
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
Abstract
The invention discloses a transmission and receiving method and a device for interactive service files. After a multiplexer receives a packet, the value of the resource identifier of the file attribute information in a file attribute table corresponding to the packet is set as a data type representing the packet, and the data type includes an interactive media document and an interactive media object; the multiplexer encapsulates the packet and the file attribute table into multiplexing frames, and a modulator and a transmission device are utilized to transmit the multiplexing frames into the air. By identifying the interactive media document and the interactive media object in an FAT file, the invention can effectively differentiate the interactive media document from the interactive media object when a terminal receives and processes interactive service, and thereby the terminal can conveniently and accurately process and represent interactive service after receiving the interactive service file via a mobile multimedia broadcasting network.
Description
Technical field
The present invention relates to the China mobile multi-media broadcasting technology field, relate in particular to a kind of transmission, method of reseptance and device of interactive service files.
Background technology
Interactive service of mobile multimedia broadcast is meant in mobile phone TV services, utilizes mobile network's duplex channel realization relevant with mobile phone TV services, offers user's interactive value-added functionality on the basis of audio-video frequency content.
For realizing interaction function, terminal need be obtained interaction multimedia information from network, presents to the user, makes the user to carry out interactive operation based on the content that presents.The approach that terminal obtains the required file of interactive service has two kinds: a kind of is by the Internet (being the mobile network), by mode end to end to the interactive file of Internet request; A kind of is by radio network, and promptly the radio network server is broadcasted interactive file with audio, video data, and terminal is receiving audio frequency and video when professional, receives simultaneously and resolve to obtain interactive file.
In general, by radio network with interactive file with the mode that audio-video document issues, have real-time, the efficient height does not need to take advantages such as mobile bandwidth resources, is the most frequently used mode that issues the required file of interactive service.
In CMMB (China Mobile multimedia broadcasting) network, the transmission means of data service has two kinds, stream mode and file mode.
Data service represents in the mode of data flow in the stream mode, and the sequential requirement is arranged usually, and transmitting free label indication or data flow inside has synchronous requirement.Common stock, this class of traffic are used and can be adopted stream mode.
Data service represents in the mode of discrete file in the file mode, does not have the sequential requirement usually, transmits no time tag indication or requirement synchronously.File mode provides a kind of method by the radio network transfer files.
The file mode of data service provides a kind of method by radio network one-way transmission file, and as shown in Figure 1, file is divided into two classes in agreement: file attribute table (FAT) file and file to be transmitted (file of just real needs transmission).
The FAT file provides needs the All Files that transmits in this transmission course, the form of catalogue mode of file, method of partition when the formation of file, attribute, file transfer, partitioning parameters and whether adopt FEC (forward error correction) mechanism etc., by these information, receiving terminal can be from reconstruct file data the broadcasting stream, therefore, and for receiving terminal, after must at first receiving and resolve the FAT file, could receive the alternative document data.
By mobile media broadcasting network when the user sends interactive file, comprise the interactive file of two classes:
One class is called interactive medium document (Interactivity Media Document, IMD), this document is the description that the interactive data file is correlated with, described the medium collection relevant with interaction, comprise type, the position of media object and present strategy of interactive data file etc. to the user.
One class is the interactive medium object, just the described interactive objects entity that need present to the user of IMD.Generally comprise media object collection such as picture, text, audio frequency and video and webpage.
After terminal gets access to all interactive files by radio network, in order to present interactive service to the user, need to resolve earlier the interactive medium document, description according to the interactive medium document, use the interactive medium object to present, how not identify and in reception, how to discern interactive medium document and interactive medium object in the transmission and be defined in as yet at present.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of transmission, method of reseptance and device of interactive service files, is implemented in network side interactive service files is identified, so that end side can identify the type of the interactive service files of transmission.
For solving the problems of the technologies described above, the transmission method of a kind of interactive service files of the present invention comprises:
After multiplexer received packet, the value of the resource identification of the file attribute information in this packet corresponding file attribute list was set to represent the data type of this packet, and this data type comprises interactive medium document and interactive medium object;
Multiplexer is encapsulated into packet and file attribute table in the multiplexed frame, is transmitted in the air by modulator and transmitter.
Further, this method also comprises:
Receiving equipment receives electromagnetic wave, by tuner electromagnetic wave is tuned as multiplexed frame, and this tuner sends to demultiplexing module with this multiplexed frame;
Demultiplexing module is resolved the file attribute table in the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object according to this document information and resource identification, the interactive medium object is presented to the user by using.
Further, in the interactive medium document, when the interactive medium object is described, adopt corresponding resource identification to represent corresponding interactive medium object.
Further, this method also comprises:
Broadcast data server is divided into blocks of files respectively with interactive medium document in the interactive service files and interactive medium object, and this document piece is divided into the file sheet, and this document sheet is encapsulated as packet, and packaged packet is sent to multiplexer.
Further, a kind of transmitting device of interactive service files comprises: interconnective multiplexer, modulator and transmitter, wherein:
Multiplexer, be used for after receiving packet, the value of the resource identification of the file attribute information in this packet corresponding file attribute list is set to represent the data type of this packet, this data type comprises interactive medium document and interactive medium object, and packet and file attribute table be encapsulated in the multiplexed frame, multiplexed frame is sent to modulator;
Modulator is used for multiplexed frame is modulated to the electromagnetic wave of physical channel, is transmitted in the air by transmitter.
Further, this device also comprises: interconnective receiving equipment, tuner and demultiplexing module, wherein:
Receiving equipment is used to receive electromagnetic wave, and this electromagnetic wave is sent to tuner;
Tuner is used for electromagnetic wave is tuned as multiplexed frame, and this multiplexed frame is sent to demultiplexing module;
Demultiplexing module, be used for resolving the file attribute table of the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object, the interactive medium object is presented to the user by using according to this document information and resource identification.
Further, this device also comprises broadcast data server, and this broadcast data server links to each other with multiplexer;
Broadcast data server is used for the interactive medium document and the interactive medium object of interactive service files are divided into blocks of files respectively, and this document piece is divided into the file sheet, and this document sheet is encapsulated as packet, and packaged packet is sent to multiplexer.
Further, a kind of method of reseptance of interactive service files comprises:
Receiving equipment receives electromagnetic wave, by tuner electromagnetic wave is tuned as multiplexed frame, and this tuner sends to demultiplexing module with this multiplexed frame;
Demultiplexing module is resolved the file attribute table in the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object according to this document information and resource identification, the interactive medium object is presented to the user by using.
Further, in the interactive medium document, when the interactive medium object is described, adopt corresponding resource identification to represent corresponding interactive medium object.
Further, a kind of receiving system of interactive service files comprises: interconnective receiving equipment, tuner and demultiplexing module, wherein:
Receiving equipment is used to receive electromagnetic wave, and this electromagnetic wave is sent to tuner;
Tuner is used for electromagnetic wave is tuned as multiplexed frame, and this multiplexed frame is sent to demultiplexing module;
Demultiplexing module, be used for resolving the file attribute table of the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object, the interactive medium object is presented to the user by using according to this document information and resource identification.
In sum, the present invention is by sign interactive medium document and interactive medium object in the FAT file, realize that terminal is when receiving and handle interactive service, distinguish these two kinds of files of interactive medium document and interactive medium object effectively, make things convenient for terminal after receiving interactive service files, carry out the processing of interactive service exactly and present by mobile media broadcasting network.
Description of drawings
Fig. 1 is the schematic diagram of file mode business in the Mobile Multimedia Broadcasting in the prior art;
Fig. 2 is the flow chart of the sending method of transmission method in front end system of the interactive service files of present embodiment;
Fig. 3 is the schematic diagram of front end system of transmitting device of the interactive service files of present embodiment;
Fig. 4 is the flow chart of the method for reseptance of transmission method in terminal of the interactive service files of present embodiment;
Fig. 5 is that the transmitting device of interactive service files of present embodiment is at the schematic diagram of end side.
Embodiment
In carrying out the interactive service processing procedure, need to solve the identification problem of terminal to interactive medium document and interactive medium object, just can handle accordingly, present embodiment identifies interactive medium document and interactive medium object in the FAT file, to realize the identification of corresponding document.
Below in conjunction with accompanying drawing present embodiment is elaborated.
The transmission method of the interactive service files of present embodiment comprises sending method and the interior method of reseptance of terminal in the front end system, describes respectively below.
Fig. 2 is the sending method of transmission method in front end system of the interactive service files of present embodiment, comprising:
201: broadcast data server is divided into blocks of files respectively with interactive medium document in the interactive service files and interactive medium object, and blocks of files is divided into the file sheet, and the file sheet is encapsulated as packet, and packaged packet is sent to multiplexer;
202: after multiplexer receives packet, according to the data type (interactive medium document or interactive medium object) of packet, the value of the resource identification of the file attribute information in this packet corresponding file attribute list is set to represent the data type of this packet;
In the data service of CMMB, file attribute table is mainly used in the file that this is transmitted and carries out basic description, and file attribute table is the file of XML (extend markup language) form, mainly comprises following content:
| Field | Semantic |
| FDI | The file path information element, the FDIType type. |
| FAI | The file attribute information element, the FAIType type. |
| DefaultFECInfo | Acquiescence FEC parameter information element, the FECInfoType type. |
| MaxVersion | The major release attribute of FAT.If major release changes, terminal need rebuild the corresponding relation of resource identification and file. |
| MinVersion | The minor release/point release attribute of FAT.If only there is minor release/point release to change, the corresponding relation of resource identification and file remains unchanged. |
Wherein, the main description document attribute information of FAI mainly is defined as follows content:
| Field | Semantic |
| TransferInfo | The transmission information element, the TransferInfoType type. |
| ContentInfo | The content information element, the ContentInfoType type. |
| SegmentationInfo | The carve information element, the SegmentationInfoType type. |
| FECInfo | The FEC information element, the FECInfoType type. |
| ProtectionInfo | The protection information element, the ProtectionInfoType type. |
| Resource ID | The resource identification attribute is represented this FAI element corresponding file resource. |
| Field | Semantic |
| UpdateIndex | Upgrade the sequence number attribute, span 0～15 is represented the renewal sequence number of this FAI element. |
When carrying out interactive service,, can define differentiation in the present embodiment by the resource_ID among the FAI among the FAT for different data types, and, in interactive service, can carry out as giving a definition the sign of related data type:
| The resource_ID value | Define styles |
| ??1 | ??IMD |
| ??2～65535 | The interactive medium object |
Above-mentioned definition is not specifically limited in the present embodiment, as adopting 65535 sign IMD, 1～65534 expression interactive medium object etc. yet.
203: multiplexer is encapsulated into packet and file attribute table in the data segment of corresponding multiplexed sub frame, and multiplexed sub frame is encapsulated into multiplexed frame, and multiplexed frame is sent to modulator;
204: modulator is modulated to multiplexed frame on the electromagnetic wave of physical channel, and by transmitter this electromagnetic wave is transmitted in the air.
Fig. 3 is the front end system of transmitting device of the interactive service files of present embodiment, comprising: interconnective broadcast data server, multiplexer, modulator and transmitter, wherein:
Broadcast data server is used for the interactive medium document and the interactive medium object of interactive service files are divided into blocks of files respectively, and this document piece is divided into the file sheet, and this document sheet is encapsulated as packet, and packaged packet is sent to multiplexer.
Multiplexer, be used for after receiving packet, the value of the resource identification of the file attribute information in this packet corresponding file attribute list is set to represent the data type of this packet, this data type comprises interactive medium document and interactive medium object, and packet and file attribute table be encapsulated in the multiplexed frame, multiplexed frame is sent to modulator;
Modulator is used for multiplexed frame is modulated to the electromagnetic wave of physical channel, is transmitted in the air by transmitter.
Fig. 4 is the method for reseptance of transmission method in terminal of the interactive service files of present embodiment, comprising:
401: receiving equipment sends to tuner with the electromagnetic wave signal that receives, and tuner is tuned as multiplexed frame with electromagnetic wave, and multiplexed frame is sent to demultiplexing module;
402: demultiplexing module is resolved multiplexed frame, detects and whether contains interactive service files;
Can adopt any existing method to detect in the multiplexed frame whether contain interactive service files herein.
403: if contain interactive service files in the multiplexed frame, then demultiplexing module is resolved the file attribute table that receives, and obtains the resource identification of this data packets for transmission;
404: after the reception of finishing interactive service files, demultiplexing module is searched the interactive medium document according to the resource identification (for example, the value of resource identification is 1) of packet, and the interactive medium document is resolved, and obtains the required fileinfo of interactive service;
Because after the reception of finishing interactive service files, need find the interactive medium document, just can resolve and, carry out presenting of interactive service, thereby produce the needs that the interactive medium document that receives and interactive medium object are distinguished according to the content of its description.
405: demultiplexing module finds corresponding interactive medium object according to the fileinfo and the resource identification of interactive medium document description, and presents to the user by application;
In the fileinfo of interactive medium document, when each interactive medium object is described, also use the resource identification of interactive medium object to represent corresponding interactive medium object, thereby realize exactly the interactive medium object being positioned.
406: the user carries out interactive operation, uses and carries out the interactive service processing.
Mobile media broadcasting network is broadcasted in the manner described above and is issued interactive service files, when terminal receives, can distinguish different files according to resource identification, thereby carry out interactive service.
Fig. 5 is the terminal of transmitting device of the interactive service files of present embodiment, comprising: interconnective receiving equipment, tuner and demultiplexing module, wherein:
Receiving equipment is used to receive electromagnetic wave, and this electromagnetic wave is sent to tuner;
Tuner is used for electromagnetic wave is tuned as multiplexed frame, and this multiplexed frame is sent to demultiplexing module;
Demultiplexing module, be used for resolving the file attribute table of the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object, the interactive medium object is presented to the user by using according to this document information and resource identification.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the transmission method of an interactive service files comprises:
After multiplexer received packet, the value of the resource identification of the file attribute information in this packet corresponding file attribute list was set to represent the data type of this packet, and this data type comprises interactive medium document and interactive medium object;
Described multiplexer is encapsulated into described packet and file attribute table in the multiplexed frame, is transmitted in the air by modulator and transmitter.
2. the method for claim 1 is characterized in that, this method also comprises:
Receiving equipment receives electromagnetic wave, by tuner electromagnetic wave is tuned as multiplexed frame, and this tuner sends to demultiplexing module with this multiplexed frame;
Described demultiplexing module is resolved the file attribute table in the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object according to this document information and resource identification, the interactive medium object is presented to the user by using.
3. method as claimed in claim 1 or 2 is characterized in that:
In described interactive medium document, when described interactive medium object is described, adopt corresponding resource identification to represent corresponding interactive medium object.
4. method as claimed in claim 1 or 2 is characterized in that, this method also comprises:
Broadcast data server is divided into blocks of files respectively with interactive medium document in the interactive service files and interactive medium object, and this document piece is divided into the file sheet, and this document sheet is encapsulated as packet, and packaged packet is sent to described multiplexer.
5. the transmitting device of an interactive service files comprises: interconnective multiplexer, modulator and transmitter, wherein:
Described multiplexer, be used for after receiving packet, the value of the resource identification of the file attribute information in this packet corresponding file attribute list is set to represent the data type of this packet, this data type comprises interactive medium document and interactive medium object, and described packet and file attribute table be encapsulated in the multiplexed frame, described multiplexed frame is sent to described modulator;
Described modulator is used for described multiplexed frame is modulated to the electromagnetic wave of physical channel, is transmitted in the air by transmitter.
6. device as claimed in claim 5 is characterized in that, this device also comprises: interconnective receiving equipment, tuner and demultiplexing module, wherein:
Described receiving equipment is used to receive electromagnetic wave, and this electromagnetic wave is sent to described tuner;
Described tuner is used for described electromagnetic wave is tuned as multiplexed frame, and this multiplexed frame is sent to described demultiplexing module;
Described demultiplexing module, be used for resolving the file attribute table of the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object, the interactive medium object is presented to the user by using according to this document information and resource identification.
7. as claim 5 or 6 described devices, it is characterized in that this device also comprises broadcast data server, this broadcast data server links to each other with described multiplexer;
Described broadcast data server, be used for the interactive medium document and the interactive medium object of interactive service files are divided into blocks of files respectively, this document piece is divided into the file sheet, this document sheet is encapsulated as packet, packaged packet is sent to described multiplexer.
8. the method for reseptance of an interactive service files comprises:
Receiving equipment receives electromagnetic wave, by tuner electromagnetic wave is tuned as multiplexed frame, and this tuner sends to demultiplexing module with this multiplexed frame;
Described demultiplexing module is resolved the file attribute table in the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object according to this document information and resource identification, the interactive medium object is presented to the user by using.
9. method as claimed in claim 8 is characterized in that:
In described interactive medium document, when described interactive medium object is described, adopt corresponding resource identification to represent corresponding interactive medium object.
10. the receiving system of an interactive service files comprises: interconnective receiving equipment, tuner and demultiplexing module, wherein:
Described receiving equipment is used to receive electromagnetic wave, and this electromagnetic wave is sent to described tuner;
Described tuner is used for described electromagnetic wave is tuned as multiplexed frame, and this multiplexed frame is sent to described demultiplexing module;
Described demultiplexing module, be used for resolving the file attribute table of the multiplexed frame that receives, obtain the resource identification of institute's data packets for transmission, search the interactive medium document according to this resource identification, the interactive medium document that finds is resolved, obtain fileinfo, search corresponding interactive medium object, the interactive medium object is presented to the user by using according to this document information and resource identification.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010183594A CN101860799A (en) | 2010-05-24 | 2010-05-24 | Transmission and receiving method and device for interactive service files |
| PCT/CN2010/076138 WO2011147129A1 (en) | 2010-05-24 | 2010-08-19 | Method and apparatus for transmitting and receiving interactive service files |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010183594A CN101860799A (en) | 2010-05-24 | 2010-05-24 | Transmission and receiving method and device for interactive service files |
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| CN101860799A true CN101860799A (en) | 2010-10-13 |
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| CN201010183594A Pending CN101860799A (en) | 2010-05-24 | 2010-05-24 | Transmission and receiving method and device for interactive service files |
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| WO (1) | WO2011147129A1 (en) |
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| CN106664456A (en) * | 2014-04-22 | 2017-05-10 | 索尼公司 | Reception device, reception method, transmission device, and transmission method |
| CN107171841A (en) * | 2017-05-22 | 2017-09-15 | 中国传媒大学 | DRM reuse management devices based on database |
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| CN106664456A (en) * | 2014-04-22 | 2017-05-10 | 索尼公司 | Reception device, reception method, transmission device, and transmission method |
| CN106664456B (en) * | 2014-04-22 | 2020-10-20 | 索尼公司 | Receiving apparatus, receiving method, transmitting apparatus and transmitting method |
| CN107171841A (en) * | 2017-05-22 | 2017-09-15 | 中国传媒大学 | DRM reuse management devices based on database |
| CN107171841B (en) * | 2017-05-22 | 2019-07-12 | 中国传媒大学 | DRM reuse management device based on database |
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| Publication number | Publication date |
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| WO2011147129A1 (en) | 2011-12-01 |
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