CN103108236A - Method for previewing and playing of mobile television (TV) programs and corresponding system - Google Patents
Method for previewing and playing of mobile television (TV) programs and corresponding system Download PDFInfo
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- CN103108236A CN103108236A CN2011103610034A CN201110361003A CN103108236A CN 103108236 A CN103108236 A CN 103108236A CN 2011103610034 A CN2011103610034 A CN 2011103610034A CN 201110361003 A CN201110361003 A CN 201110361003A CN 103108236 A CN103108236 A CN 103108236A
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
- H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
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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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
Abstract
The invention discloses a method for previewing and playing of mobile television (TV) programs and a corresponding system. The previewing method applies to a mobile terminal, and includes that multi-media data of each channel are buffered according to channel information carried in an electric service guide after the electric service guide is received; and after a program previewing request issued by a user is received, the multi-media data, buffered to be local, of each channel are processed, and then I frame data in the processed multi-media data of each channel are played in sequence. A background service startup method is adopted to reduce the time for closing a former channel and starting a later channel when channel programs are previewed. Meanwhile, data can be received very quickly, data waiting time is also reduced, and further, due to the fact that only the I frame data are played and displayed when the channel programs are previewed, the previewing time for the channel programs is greatly reduced. Therefore, the performance of a whole mobile TV is improved, and very good experience is provided for users.
Description
Technical field
The present invention relates to the mobile TV field, relate in particular to a kind of method and corresponding system that TV program is carried out preview and broadcast.
Background technology
Mobile TV for supporting MBBMS (Mobile Broadcast Business Management System, broadcast mobile TV service management system) has had basic function.There is certain difference in different mobile TVs aspect the realizing of function.
Support at present the mobile TV playing flow of MBBMS, comprise the following steps: stop at a upper channel, after next channel starts, obtain program current cipher key (the MBMS Traffic Key of the program of next channel broadcast, referred to as MTK), obtain that the data code flow to this program carries out descrambling after program current cipher key, with the audio, video data packing that obtains, send into player and play, to be shown to the user afterwards.In this process, each step can not be lacked, otherwise program can't normal play.
Therefore, want to realize the preview of mobile television channel, above-mentioned steps also is absolutely necessary.But for preview function, speed is first to want the position, and is harsher than broadcast program to the requirement of time.Process as carry out preview according to method as described in prior art, can affect user's impression, thereby be unfavorable for the popularization of mobile TV service.
Summary of the invention
The object of the present invention is to provide a kind of method and corresponding system that TV program is carried out preview and broadcast, to overcome the existing slow defective of preview channel program, can also solve the existing slow defective of broadcast program.
For addressing the above problem, the invention provides a kind of method of TV program being carried out preview, be applied to comprise in mobile terminal:
After receiving electron service instruction, according to the information of each channel that wherein carries, respectively the multi-medium data of each channel cushioned;
After receiving the previewing program request that the user sends, process being buffered to each local channel multi-medium data respectively, then the I frame data in treated each channel multi-medium data are play successively.
Further,
Describedly process being buffered to each local channel multi-medium data, specifically comprise: for each channel, obtain the program current cipher key (MTK) of this channel according to the encrypted fields in the multi-medium data that is buffered to this local channel, then with the MTK that gets, the multi-medium data of this channel is carried out descrambling and packs and process.
Further, described method also comprises:
After receiving the program playing request that the user sends, directly ask the multi-medium data of the channel play to receive to the user, then the multi-medium data that receives is carried out MTK and obtain, the MTK that use gets carries out playing after descrambling and packing processing to the multi-medium data of this channel.
The present invention also provides a kind of method that TV program is play, and is applied to comprise in mobile terminal:
After receiving electron service instruction, according to the information of each channel that wherein carries, respectively the multi-medium data of each channel cushioned;
After receiving the broadcast channel program request that the user sends, directly carry out the reception of this channel multi-medium data according to the multi-medium data that is buffered in this local channel, then the multi-medium data of this channel of receiving is processed rear broadcast.
Further,
Described multi-medium data to this channel of receiving is processed, specifically comprise: obtain corresponding program current cipher key (MTK) according to the encrypted fields in the multi-medium data of this channel that receives, then with the MTK that gets, described multi-medium data is carried out descrambling and packing processing.
Correspondingly, the present invention also provides a kind of system that TV program is carried out preview, is applied to comprise in mobile terminal:
Buffer module is used for according to the information of each channel that wherein carries, respectively the multi-medium data of each channel being cushioned after receiving electron service instruction;
Processing module is used for processing being buffered to each local channel multi-medium data respectively after receiving the previewing program request that the user sends, and then the I frame data in treated each channel multi-medium data is play successively.
Further,
Described processing module is used for processing being buffered to each local channel multi-medium data, specifically comprise: for each channel, described processing module is used for obtaining according to the encrypted fields of the multi-medium data that is buffered to this local channel the program current cipher key (MTK) of this channel, then with the MTK that gets, the multi-medium data of this channel is carried out descrambling and packs and process.
Further, described system also comprises:
Playing module, be used for after receiving the program playing request that the user sends, directly ask the multi-medium data of the channel play to receive to the user, then the multi-medium data that receives is carried out MTK and obtain, the MTK that use gets carries out playing after descrambling and packing processing to the multi-medium data of this channel.
Correspondingly, the present invention also provides a kind of system that TV program is play, and is applied to comprise in mobile terminal:
Buffer module is used for according to the information of each channel that wherein carries, respectively the multi-medium data of each channel being cushioned after receiving electron service instruction;
Processing module, be used for after receiving the broadcast channel program request that the user sends, directly carry out the reception of this channel multi-medium data according to the multi-medium data that is buffered in this local channel, then the multi-medium data of this channel of receiving is processed rear broadcast.
Further,
Described processing module is used for the multi-medium data of this channel that receives is processed, specifically comprise: described processing module is used for obtaining corresponding program current cipher key (MTK) according to the encrypted fields of the multi-medium data of this channel that receives, and then with the MTK that gets, described multi-medium data is carried out descrambling and packing processing.
The present invention adopts the backstage to start the method for service, closes the time of closing a channel and starting next channel when having reduced the channel program preview.And can carry out soon data receiver, also reduce the time of waiting pending data, only play the data that show the I frame when adding preview, reduced greatly the time of channel program preview, thereby improved the performance of whole mobile TV, brought good experience to the user.
Description of drawings
Fig. 1 carries out the method flow diagram of preview to TV program in the embodiment of the present invention;
Fig. 2 is the flow chart of whole mobile TV preview in the embodiment of the present invention;
Fig. 3 is the detail flowchart of embodiment of the present invention mid band previewing programs.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.Need to prove, in the situation that do not conflict, the embodiment in the application and the feature in embodiment be combination in any mutually.
In the present embodiment, a kind of method of TV program being carried out preview is applied in mobile terminal, as shown in Figure 1, comprising:
After receiving electron service instruction, according to the information of each channel that wherein carries, respectively the multi-medium data of each channel cushioned, and be buffered in this locality;
After receiving the previewing program request that the user sends, each channel multi-medium data of local cache is processed, then successively the I frame data in treated each channel multi-medium data are play.Wherein, multi-medium data is processed comprised: obtain corresponding MTK according to the encrypted fields in the multi-medium data that receives, then with the MTK that gets, above-mentioned multi-medium data is carried out descrambling and packing is processed.
The present invention adopts the running background program to exchange the core concept of time for, has realized the channel program preview of MBBMS, has not only improved on the whole the speed of preview, and has well improved user's impression.
The whole workflow of mobile television channel previewing programs is described below in conjunction with Fig. 2.
Step 1: the terminal with mobile TV capabilities enters mobile TV use after, complete download, the work at present frequency of chip firmware scanning, locking, TS0 data the initialization operation such as obtain;
Step 2: the electron service instruction data that receives is resolved, complete the loading of program playlist;
Step 3: the backstage starts a plurality of services, the corresponding channel of each service; Each service cushions the multi-medium data of corresponding channel;
Step 4: after receiving the previewing programs request that the user sends, terminal enters the previewing programs pattern;
Each service is obtained corresponding MTK according to the encrypted fields in the multi-medium data that obtains by buffering separately respectively, after then using the MTK that gets to carry out descrambling and packing to multi-medium data, sends into player, is play successively by player; Because be the previewing programs function, so there is no need to play all video requency frame datas, a displaying video I frame data gets final product, and has so also improved the speed of previewing programs; Like this, terminal is broadcast program sequentially automatically, and each channel is play regular time.When next channel is arrived in preview, only need to activate current channel and carry out preview, do not need to close the program of closing a preview, so also just saved the time of previewing programs;
Step 5: until user's preview after the program of each channel, after perhaps running into own interested program, just can withdraw from preview mode, select oneself interested program to carry out the broadcast of TV programme.
Step 6: withdraw from mobile TV and use, closeall correlation module.
The whole flow process of prescribed channel previewing programs below in conjunction with Fig. 3.
Step 1: the loading of program playlist is completed, is completed in the mobile TV initialization;
Step 2: after having loaded the program playlist, start a plurality of services on the backstage, a plurality of services of startup are corresponding to all channels of current program playlist interface;
Step 3: a plurality of services that start on the backstage bring into operation, and carry out the buffering of corresponding channel multi-medium data, wait for that the user plays or preview.If the user has clicked preview, so just enter step 4;
Step 4: activate this service that current preview is play, just can begin immediately to receive the multi-medium data of channel corresponding to this service, because this service itself starts, this stage has just been saved a part of time, comprising: close the time of a service, the time that starts a service and the time that multi-medium data need to cushion;
Step 5: because the service of playing activates, so can receive multi-medium data immediately.Therefore also shifted to an earlier date the time that MTK obtains, also just be equivalent to reduce the time.In obtaining the process of MTK, need to send the MTK that gets to authentication module UAM (User Authentication Module, SIM) and be decrypted, after the MTK successful decryption, represent that namely MTK obtains successfully;
Step 6: after the MTK successful decryption, just can use this MTK to carry out descrambling to the multi-medium data of corresponding channel; After descrambling is completed, carry out the packing work of multi-medium data, after packing is completed, can send into player;
Step 7: after sending into player, player is sent into the audio ﹠ video equipment broadcast of decoding to multi-medium data.Because be previewing programs, thus only need I frame in play multimedia data, to accelerate the preview of program, the so far previewing programs of channel success., need supervisory user whether to select to withdraw from preview mode here, if selected to withdraw from preview mode, so just enter step 8, otherwise enter step 4, continue the program of the next channel of preview, the program of each channel preview regular time;
Step 8: forward the program playlist interface to, wait for that the user selects to watch certain channel or again carry out preview.If the user has selected to watch certain channel, enter so step 9;
Step 9: under watching mode, playing flow is similar to the previewing programs flow process.At first activate this channel of current broadcast, carry out afterwards the flow process be similar to the preview process, receive data, be decrypted, use the MTK after deciphering that data stream is carried out descrambling, the data flow after descrambling is packed to MTK, then send into player plays.Different from preview is need to play all frame of video when playing, and be to continue to play this program.
Be exactly more than the method that realizes the preview of MBBMS channel program, can start the service of different numbers in inside according to different chips in reality, reach the raising of previewing programs speed.In addition, said method can also be applied in the mobile TV service of other types, as CMMB (China Mobile Multimedia Broadcasting, China Mobile's DMB) etc.
In addition, in the present embodiment, a kind of method that TV program is play comprises:
After receiving electron service instruction, according to the information of each channel that wherein carries, respectively the multi-medium data of each channel cushioned;
After receiving the broadcast channel program request that the user sends, directly carry out the reception of this channel multi-medium data according to the multi-medium data that is buffered in this local channel, then the multi-medium data of this channel of receiving is processed rear broadcast.
Wherein, multi-medium data to this channel of receiving is processed, specifically comprise: obtain corresponding MTK according to the encrypted fields in the multi-medium data of this channel that receives, then with the MTK that gets, described multi-medium data is carried out descrambling and packing processing.
Correspondingly, in the present embodiment, a kind of system that TV program is carried out preview is applied to comprise in mobile terminal:
Buffer module is used for according to the information of each channel that wherein carries, respectively the multi-medium data of each channel being cushioned after receiving electron service instruction;
Processing module is used for processing being buffered to each local channel multi-medium data respectively after receiving the previewing program request that the user sends, and then the I frame data in treated each channel multi-medium data is play successively.
Preferably,
Described processing module is used for processing being buffered to each local channel multi-medium data, specifically comprise: for each channel, described processing module is used for obtaining according to the encrypted fields of the multi-medium data that is buffered to this local channel the program current cipher key (MTK) of this channel, then with the MTK that gets, the multi-medium data of this channel is carried out descrambling and packs and process.
Preferably, described system also comprises:
Playing module, be used for after receiving the program playing request that the user sends, directly ask the multi-medium data of the channel play to receive to the user, then the multi-medium data that receives is carried out MTK and obtain, the MTK that use gets carries out playing after descrambling and packing processing to the multi-medium data of this channel.
Correspondingly, in the present embodiment, a kind of system that TV program is play is applied to comprise in mobile terminal:
Buffer module is used for according to the information of each channel that wherein carries, respectively the multi-medium data of each channel being cushioned after receiving electron service instruction;
Processing module, be used for after receiving the broadcast channel program request that the user sends, directly carry out the reception of this channel multi-medium data according to the multi-medium data that is buffered in this local channel, then the multi-medium data of this channel of receiving is processed rear broadcast.
Preferably,
Described processing module is used for the multi-medium data of this channel that receives is processed, specifically comprise: described processing module is used for obtaining corresponding program current cipher key (MTK) according to the encrypted fields of the multi-medium data of this channel that receives, and then with the MTK that gets, described multi-medium data is carried out descrambling and packing processing.
One of ordinary skill in the art will appreciate that all or part of step in said method can come the instruction related hardware to complete by program, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is only the preferred embodiments of the present invention, is not for limiting protection scope of the present invention.According to summary of the invention of the present invention; also other various embodiments can be arranged; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (10)
1. method of TV program being carried out preview is applied to comprise in mobile terminal:
After receiving electron service instruction, according to the information of each channel that wherein carries, respectively the multi-medium data of each channel cushioned;
After receiving the previewing program request that the user sends, process being buffered to each local channel multi-medium data respectively, then the I frame data in treated each channel multi-medium data are play successively.
2. the method for claim 1 is characterized in that:
Describedly process being buffered to each local channel multi-medium data, specifically comprise: for each channel, obtain the program current cipher key (MTK) of this channel according to the encrypted fields in the multi-medium data that is buffered to this local channel, then with the MTK that gets, the multi-medium data of this channel is carried out descrambling and packs and process.
3. method as claimed in claim 1 or 2, is characterized in that, also comprises:
After receiving the program playing request that the user sends, directly ask the multi-medium data of the channel play to receive to the user, then the multi-medium data that receives is carried out MTK and obtain, the MTK that use gets carries out playing after descrambling and packing processing to the multi-medium data of this channel.
4. method that TV program is play is applied to comprise in mobile terminal:
After receiving electron service instruction, according to the information of each channel that wherein carries, respectively the multi-medium data of each channel cushioned;
After receiving the broadcast channel program request that the user sends, directly carry out the reception of this channel multi-medium data according to the multi-medium data that is buffered in this local channel, then the multi-medium data of this channel of receiving is processed rear broadcast.
5. method as claimed in claim 4 is characterized in that:
Described multi-medium data to this channel of receiving is processed, specifically comprise: obtain corresponding program current cipher key (MTK) according to the encrypted fields in the multi-medium data of this channel that receives, then with the MTK that gets, described multi-medium data is carried out descrambling and packing processing.
6. system that TV program is carried out preview is applied to comprise in mobile terminal:
Buffer module is used for according to the information of each channel that wherein carries, respectively the multi-medium data of each channel being cushioned after receiving electron service instruction;
Processing module is used for processing being buffered to each local channel multi-medium data respectively after receiving the previewing program request that the user sends, and then the I frame data in treated each channel multi-medium data is play successively.
7. system as claimed in claim 6 is characterized in that:
Described processing module is used for processing being buffered to each local channel multi-medium data, specifically comprise: for each channel, described processing module is used for obtaining according to the encrypted fields of the multi-medium data that is buffered to this local channel the program current cipher key (MTK) of this channel, then with the MTK that gets, the multi-medium data of this channel is carried out descrambling and packs and process.
8. system as described in claim 6 or 7, is characterized in that, also comprises:
Playing module, be used for after receiving the program playing request that the user sends, directly ask the multi-medium data of the channel play to receive to the user, then the multi-medium data that receives is carried out MTK and obtain, the MTK that use gets carries out playing after descrambling and packing processing to the multi-medium data of this channel.
9. system that TV program is play is applied to comprise in mobile terminal:
Buffer module is used for according to the information of each channel that wherein carries, respectively the multi-medium data of each channel being cushioned after receiving electron service instruction;
Processing module, be used for after receiving the broadcast channel program request that the user sends, directly carry out the reception of this channel multi-medium data according to the multi-medium data that is buffered in this local channel, then the multi-medium data of this channel of receiving is processed rear broadcast.
10. system as claimed in claim 9 is characterized in that:
Described processing module is used for the multi-medium data of this channel that receives is processed, specifically comprise: described processing module is used for obtaining corresponding program current cipher key (MTK) according to the encrypted fields of the multi-medium data of this channel that receives, and then with the MTK that gets, described multi-medium data is carried out descrambling and packing processing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103610034A CN103108236A (en) | 2011-11-15 | 2011-11-15 | Method for previewing and playing of mobile television (TV) programs and corresponding system |
| PCT/CN2011/083962 WO2013071666A1 (en) | 2011-11-15 | 2011-12-14 | Method and corresponding system for previewing and playing mobile tv program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103610034A CN103108236A (en) | 2011-11-15 | 2011-11-15 | Method for previewing and playing of mobile television (TV) programs and corresponding system |
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| CN103108236A true CN103108236A (en) | 2013-05-15 |
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| CN2011103610034A Pending CN103108236A (en) | 2011-11-15 | 2011-11-15 | Method for previewing and playing of mobile television (TV) programs and corresponding system |
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| Country | Link |
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| WO (1) | WO2013071666A1 (en) |
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| CN103428572B (en) * | 2013-07-31 | 2017-03-15 | 小米科技有限责任公司 | A kind of methods, devices and systems for carrying out band prebrowsing |
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| CN101483766A (en) * | 2008-12-31 | 2009-07-15 | 宇龙计算机通信科技(深圳)有限公司 | Previewing method, apparatus and mobile terminal for mobile television |
| US20110145862A1 (en) * | 2009-12-15 | 2011-06-16 | Electronics And Telecommunications Research Institute | Apparatus and method for providing preview channel guide information in digital broadcast network |
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2011
- 2011-11-15 CN CN2011103610034A patent/CN103108236A/en active Pending
- 2011-12-14 WO PCT/CN2011/083962 patent/WO2013071666A1/en active Application Filing
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|---|---|---|---|---|
| US20030005429A1 (en) * | 2001-06-28 | 2003-01-02 | Nicholas Colsey | EPG with video previews |
| CN1960483A (en) * | 2006-08-30 | 2007-05-09 | 中兴通讯股份有限公司 | Method for displaying preview of programs in digital multimedia broadcast |
| CN1976430A (en) * | 2006-12-11 | 2007-06-06 | 中兴通讯股份有限公司 | Method for realizing prebrowsing mobile multimedia program in terminal |
| CN101282472A (en) * | 2008-05-14 | 2008-10-08 | 中兴通讯股份有限公司 | Terminal as well as method for rapidly previewing mobile phone television channel |
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| WO2013071666A1 (en) | 2013-05-23 |
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Application publication date: 20130515 |