CN101052160B - Business switch method and device for mobile multimedia broadcast terminal - Google Patents
Business switch method and device for mobile multimedia broadcast terminal Download PDFInfo
- Publication number
- CN101052160B CN101052160B CN200710086631XA CN200710086631A CN101052160B CN 101052160 B CN101052160 B CN 101052160B CN 200710086631X A CN200710086631X A CN 200710086631XA CN 200710086631 A CN200710086631 A CN 200710086631A CN 101052160 B CN101052160 B CN 101052160B
- Authority
- CN
- China
- Prior art keywords
- frame
- terminal
- multiplexed
- service
- switched
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The method comprises: The method comprises: 102) the terminal receives and resolves the multiplexing frame whose frame number is 0 to get the relevant control information; 104) the terminal receives an resolves the current multiplexing frame to get the relevant data of the multiplexing frame; 106) according to the relevant data, terminal resolves the target multiplexing sub-frame in the multiplexing sub-frame to relevant information about the target multimedia server; 108) the terminal sets the parameters of the video decoder and audio decoder, and when receiving the I frame of the target multimedia service, starts the play of the target multimedia service.
Description
Technical field
The present invention relates to the digital mobile communication field, more specifically, relate to a kind of business switch method and device of mobile multi-media broadcast terminal, and the portable terminal of using this method and apparatus.
Background technology
In recent years, digital mobile multimedia broadcasting technology and standard evolution are rapid, for example (the digital video broadcast-handheld formula receives Ou Zhou DVB-H: Digital Video BroadcastHandheld), the MediaFLO of the U.S. (the single forward link of medium: Media ForwardLink Only) and China CMMB (Mobile Multimedia Broadcasting: China MobileMultimedia Broadcasting) etc., they provide many service content for its terminal use, such as, advertisement, weather forecast, news, sports cast, variety, the multimedia broadcasting play, programs such as film, the user can select the service program of Mobile Multimedia Broadcasting according to the hobby of oneself.
Mobile Multimedia Broadcasting adopts time division way to send MBMS service, and the duration of its broadcast channel frame is 1 second, is made up of 40 25 milliseconds of time slots, and one or more time slots can carry the data of a broadcasting multiplex frame encapsulation.In the multiplexed frame structure of Mobile Multimedia Broadcasting, multiplexed frame is divided into multiplex frame head, multiplexed frame payload and fills three parts.(multiplexed frame 0 be used for communicating control information) comprises a plurality of multiplexed sub frames in a multiplexed frame, and each multiplexed sub frame can carry a multimedia service, and first multiplexed sub frame defaults to the multimedia service that full screen shows.The structure of multiplexed frame as shown in Figure 3.
Each multiplexed sub frame includes video data and voice data.Video data wherein mainly comprises three kinds of image encoding frames, I frame, B frame, P frame.The I frame is intraframe coding, can independently decode.B frame and P frame adopt interframe encode, can not independently decode.
Terminal can be switched between a plurality of multimedia services according to control information.Owing to need use the various parameters of multiplexed frame and multiplexed sub frame when terminal is switched, therefore need provide a kind of terminal that makes to finish the professional method and apparatus that switches.
Summary of the invention
The invention provides a kind of business switch method and device of mobile multi-media broadcast terminal, it makes terminal can carry out the business switching of a multiplexed frame inside by the relevant information in multiplex frame head and the multiplexed sub frame.
One aspect of the present invention provides a kind of business switch method of mobile multi-media broadcast terminal, and it can may further comprise the steps: step S102 receives and resolves multiplexing frame number and be 0 multiplexed frame, relevant control information when obtaining terminal and switching; Step S104 receives and resolves current multiplexed frame, obtains the related data of multiplexed frame when terminal is switched; Step S106 according to related data, resolves the target multiplexed sub frame in the multiplexed sub frame, obtains the relevant information of target multimedia service when terminal is switched; And step S108, according to the relevant information of described target multimedia service when terminal is switched Video Decoder and the relevant parameter of audio decoder when terminal is switched are set, and when receiving the I frame of target multimedia service, the broadcast of beginning target multimedia service.
According to an aspect of the present invention, control information can comprise following at least a: network information table, electron service instruction, period service duplexing configuration list and service allocation list.Related data can comprise following at least a: the coding of the number of multiplexed sub frame, the length of multiplexed sub frame and multiplexed sub frame.
In addition, the relevant information of target multimedia service when terminal is switched can comprise following at least a: video algorithm type, video code rate indication, image show indication, resolution indication and frequency frame.Relevant parameter can comprise following at least a: decoding algorithm and image display frame are frequently.
Another aspect of the present invention provides a kind of professional switching device shifter of mobile multi-media broadcast terminal, it can comprise: first resolution unit, be positioned on the terminal, be used to receive and resolve multiplexing frame number and be 0 multiplexed frame, relevant control information when obtaining terminal and switching; Second resolution unit is used for receiving and resolving current multiplexed frame, obtains the related data of multiplexed frame when terminal is switched; The 3rd resolution unit is used for according to related data, resolves the target multiplexed sub frame in the multiplexed sub frame, obtains the relevant information of target multimedia service when terminal is switched; And broadcast unit is set, be used for Video Decoder and the relevant parameter of audio decoder when terminal is switched being set according to the relevant information of described target multimedia service when terminal is switched, and when receiving the I frame of target multimedia service, the broadcast of beginning target multimedia service.
According to another aspect of the present invention, control information can comprise following at least a: network information table, electron service instruction, period service duplexing configuration list and service allocation list.
Related data can comprise following at least a: the coding of the number of multiplexed sub frame, the length of multiplexed sub frame and multiplexed sub frame.
In addition, target multimedia service relevant information can comprise following at least a: video algorithm type, video code rate indication, image show indication, resolution indication and frequency frame.
Relevant parameter can comprise following at least a: decoding algorithm and image display frame are frequently.
According to the present invention, a kind of mobile multi-media broadcast terminal has also been proposed, it has used above-mentioned professional switching device shifter.
By the present invention, finish relevant parameter obtain with correlation unit modification is set after, wait for that the I frame of target service occurs, just can finish the professional handoff functionality of a multiplexed frame inside.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Description of drawings
Fig. 1 is the flow chart according to the business switch method of mobile multi-media broadcast terminal of the present invention;
Fig. 2 is the flow chart according to the service switch process of the multiplexed frame inside of the embodiment of the invention;
Fig. 3 is the structural representation of multiplexed frame; And
Fig. 4 is the block diagram according to the professional switching device shifter of mobile multi-media broadcast terminal of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 1 is the flow chart according to the business switch method of mobile multi-media broadcast terminal of the present invention.As shown in Figure 1, this method may further comprise the steps:
Step S102, it is 0 multiplexed frame (below be called multiplexed frame 0) that terminal receives and resolve multiplexing frame number, the control information that obtains being correlated with;
Step S104, terminal receives and resolves current multiplexed frame, obtains the related data of multiplexed frame;
Step S106, terminal is resolved the target multiplexed sub frame in the multiplexed sub frame according to related data, obtains target multimedia service relevant information; And
Step S108, terminal is provided with the relevant parameter of Video Decoder and audio decoder, and when receiving the I frame of target multimedia service, the broadcast of beginning target multimedia service.
Wherein, control information comprises following at least a: network information table, electron service instruction, period service duplexing configuration list and service allocation list.
Related data comprises following at least a: the coding of the number of multiplexed sub frame, the length of multiplexed sub frame and multiplexed sub frame.
In addition, target multimedia service relevant information comprises following at least a: video algorithm type, video code rate indication, image show indication, resolution indication and frequency frame.
Relevant parameter comprises following at least a: decoding algorithm and image display frame are frequently.
Fig. 2 is the flow chart according to the service switch process of the multiplexed frame inside of the embodiment of the invention, and Fig. 3 is the structural representation of multiplexed frame.Describe service switch process in detail below with reference to Fig. 3, as shown in Figure 3, may further comprise the steps according to multiplexed frame inside:
Step S202, terminal receives and resolves multiplexed frame 0, obtains network information table, electron service instruction, period service duplexing configuration list, control informations such as service allocation list;
Step S204, the information of the present multiplex frame head of terminal parses obtains the number of multiplexed sub frame, the length of multiplexed sub frame, information such as the coding of multiplexed sub frame;
Step S206, terminal is further resolved the target multiplexed sub frame, obtains a plurality of multimedia service relevant informations, as the video algorithm type, the video code rate indication, image shows indication, information such as resolution indication and frame frequency;
Step S208, terminal is provided with the relevant parameter of unit such as interior video decoder and audio decoder, and as decoding algorithm, image display frame is frequently;
Step S210, the I frame of correspondence in the terminal wait target service; And
Step S212, terminal promptly begins the target service normal play after receiving the I frame.
Should be appreciated that at this, use the multi-media broadcast terminal of above-mentioned business switch method can comprise mobile phone, PDA, handheld terminal and mobile TV etc.
Fig. 4 is the block diagram according to the professional switching device shifter 400 of mobile multi-media broadcast terminal of the present invention.As shown in Figure 4, this device comprises: first resolution unit 402, be positioned on the terminal, and be used for receiving and resolving multiplexed frame 0, the control information that obtains being correlated with; Second resolution unit 404 is used for receiving and resolving current multiplexed frame, obtains the related data of multiplexed frame; The 3rd resolution unit 406 is used for according to related data, resolves the target multiplexed sub frame in the multiplexed sub frame, obtains target multimedia service relevant information; And broadcast unit 408 is set, be used to be provided with the relevant parameter of Video Decoder and audio decoder, and when receiving the I frame of target multimedia service, the broadcast of beginning target multimedia service.
Wherein, control information comprises following at least a: network information table, electron service instruction, period service duplexing configuration list and service allocation list.
Related data comprises following at least a: the coding of the number of multiplexed sub frame, the length of multiplexed sub frame and multiplexed sub frame.
In addition, target multimedia service relevant information comprises following at least a: video algorithm type, video code rate indication, image show indication, resolution indication and frequency frame.
Relevant parameter comprises following at least a: decoding algorithm and image display frame are frequently.
Should be appreciated that at this, use the multi-media broadcast terminal of above-mentioned professional switching device shifter can comprise mobile phone, PDA, handheld terminal and mobile TV etc.
In sum, adopt technical scheme of the present invention, can finish relevant parameter obtain with correlation unit modification is set after, wait for that the I frame of target service occurs, just can finish the professional handoff functionality of a multiplexed frame inside.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the business switch method of a mobile multi-media broadcast terminal is characterized in that, may further comprise the steps:
Step S102 receives and resolves multiplexing frame number and be 0 multiplexed frame, relevant control information when obtaining terminal and switching, and described control information comprises following at least a: network information table, electron service instruction, period service duplexing configuration list and service allocation list;
Step S104 receives and resolves current multiplexed frame, obtains the related data of described multiplexed frame when terminal is switched, and described related data comprises following at least a: the coding of the number of multiplexed sub frame, the length of multiplexed sub frame and multiplexed sub frame;
Step S106, according to described related data, resolve the target multiplexed sub frame in the multiplexed sub frame, obtain the relevant information of target multimedia service when terminal is switched, the relevant information of described target multimedia service when terminal is switched comprises following at least a: video algorithm type, video code rate indication, image show indication, resolution indication and frequency frame; And
Step S108, according to the relevant information of described target multimedia service when terminal is switched Video Decoder and the relevant parameter of audio decoder when terminal is switched are set, and when receiving the I frame of described target multimedia service, begin the broadcast of described target multimedia service, described relevant parameter comprises following at least a: decoding algorithm and image display frame are frequently.
2. the professional switching device shifter of a mobile multi-media broadcast terminal is characterized in that, comprising:
First resolution unit, be positioned on the terminal, be used to receive and resolve multiplexing frame number and be 0 multiplexed frame, relevant control information when obtaining terminal and switching, described control information comprises following at least a: network information table, electron service instruction, period service duplexing configuration list and service allocation list;
Second resolution unit is used for receiving and resolving current multiplexed frame, obtains the related data of described multiplexed frame when terminal is switched, and described related data comprises following at least a: the coding of the number of multiplexed sub frame, the length of multiplexed sub frame and multiplexed sub frame;
The 3rd resolution unit, be used for according to described related data, resolve the target multiplexed sub frame in the multiplexed sub frame, obtain the relevant information of target multimedia service when terminal is switched, the relevant information of described target multimedia service when terminal is switched comprises following at least a: video algorithm type, video code rate indication, image show indication, resolution indication and frequency frame; And
Broadcast unit is set, be used for Video Decoder and the relevant parameter of audio decoder when terminal is switched being set according to the relevant information of described target multimedia service when terminal is switched, and when receiving the I frame of described target multimedia service, begin the broadcast of described target multimedia service, described relevant parameter comprises following at least a: decoding algorithm and image display frame are frequently.
3. a mobile multi-media broadcast terminal has the described professional switching device shifter of claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710086631XA CN101052160B (en) | 2007-03-23 | 2007-03-23 | Business switch method and device for mobile multimedia broadcast terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710086631XA CN101052160B (en) | 2007-03-23 | 2007-03-23 | Business switch method and device for mobile multimedia broadcast terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101052160A CN101052160A (en) | 2007-10-10 |
| CN101052160B true CN101052160B (en) | 2011-04-06 |
Family
ID=38783321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710086631XA Expired - Fee Related CN101052160B (en) | 2007-03-23 | 2007-03-23 | Business switch method and device for mobile multimedia broadcast terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101052160B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857816A (en) * | 2012-08-16 | 2013-01-02 | 深圳市同洲电子股份有限公司 | Playing control method and playing control device of broadcasting program |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761300A (en) * | 2004-10-11 | 2006-04-19 | 三星电子株式会社 | The method of registration and demonstration digital multimedia broadcasting (DMB) channels in portable terminal |
| CN1929615A (en) * | 2005-07-04 | 2007-03-14 | 三星电子株式会社 | Apparatus for data transmission and reception and method for data transmission and reception |
-
2007
- 2007-03-23 CN CN200710086631XA patent/CN101052160B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761300A (en) * | 2004-10-11 | 2006-04-19 | 三星电子株式会社 | The method of registration and demonstration digital multimedia broadcasting (DMB) channels in portable terminal |
| CN1929615A (en) * | 2005-07-04 | 2007-03-14 | 三星电子株式会社 | Apparatus for data transmission and reception and method for data transmission and reception |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101052160A (en) | 2007-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101536524B (en) | Systems and methods for applications using channel switch frames | |
| US9602844B2 (en) | Picture coding and decoding apparatuses and methods performing variable length coding and decoding on a slice header stream and arithmetic coding and decoding on a slice data stream | |
| US7634794B1 (en) | Broadcasting service system using mobile communication terminal | |
| US20070223535A1 (en) | Mobile communication terminal, mobile communication method, and information recording medium | |
| CN103581210B (en) | Support the multi-screen business platform of digital broadcast television network | |
| JP5872030B2 (en) | Group ID and QoS group identification for multiplexing streams in multicast and broadcast systems | |
| WO2008016213A1 (en) | Digital broadcasting system and method | |
| CN101052159B (en) | Business switch method and device for mobile multimedia broadcast terminal | |
| CN101052160B (en) | Business switch method and device for mobile multimedia broadcast terminal | |
| CN101552920B (en) | Media stream encoding method, media stream encoding device and media stream encode switching system | |
| JP2003153265A (en) | Image encoding method, image decoding method, and apparatus thereof | |
| CN201114558Y (en) | Service switch device for mobile multimedia broadcast terminal | |
| CN101197739B (en) | Transmission system of mobile multimedia broadcast electric service instruction | |
| US20100083334A1 (en) | Control device and method for optimizing zapping time between broadcasted contents in an opportunistic way | |
| CN201114557Y (en) | A service switch device for mobile multimedia broadcast terminal | |
| US20090094636A1 (en) | Method and system for providing advertisements in digital broadcasting system | |
| CN100488257C (en) | Mobile multimedia broadcasting terminal multi-image handling method and device | |
| CN101022604A (en) | Mobile multimedia broadcasting receiving method and device | |
| WO2008016212A1 (en) | Digital broadcasting system and method | |
| CN100556161C (en) | The short time service allocation table update method | |
| KR100912236B1 (en) | Method and System for providing Digital Broadcasting Service capable of reducing of channel surfing time | |
| WO2008016211A1 (en) | Digital broadcasting system and method | |
| KR20110017817A (en) | Method for transmitting channel information in multimedia multicast and broadcast services and method for receiving channel information in the same | |
| CN101022324A (en) | Next frame parameter processing method and device | |
| CA2655961A1 (en) | Method and system for providing an advertisement in a digital broadcasting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20150323 |
|
| EXPY | Termination of patent right or utility model |