CN101383960A - Mobile phone television service implementing method, terminal and adopted data buffering method - Google Patents
Mobile phone television service implementing method, terminal and adopted data buffering method Download PDFInfo
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- CN101383960A CN101383960A CNA2008101712667A CN200810171266A CN101383960A CN 101383960 A CN101383960 A CN 101383960A CN A2008101712667 A CNA2008101712667 A CN A2008101712667A CN 200810171266 A CN200810171266 A CN 200810171266A CN 101383960 A CN101383960 A CN 101383960A
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Abstract
The invention discloses an implementation method and a terminal of mobile phone TV services and an adopted data buffering method. The implementation method of the mobile phone TV services comprises the following steps: a source terminal with the function of a mobile phone TV converts received mobile phone TV signals to TV data; the TV data is sent to a target terminal without the function of the mobile phone TV through a Bluetooth mode; and the target terminal broadcasts the received TV data. The voice and video data of the mobile phone TV services is transmitted to a mobile phone terminal which does not support the mobile TV but supports Bluetooth from a mobile phone terminal which does not support the mobile phone TV, thereby the broadcast of the mobile phone TV services is achieved on the mobile phone terminal which does not support the mobile phone TV, a prior mobile phone terminal which does not support the mobile phone TV services can be utilized to watch the mobile phone TV, the investment caused by that a user has to replace the original mobile phone terminal is avoided, and most users can enjoy the convenience brought by the mobile phone TV services.
Description
Technical field
The present invention relates to field of mobile phone, relate in particular to a kind of data buffering method of implementation method, terminal and employing of mobile phone TV services.
Background technology
Raising gradually along with people's living standard, watch TV to become general entertainment way in people's life, still, because the volume of television set own can't be carried too greatly, thereby can't satisfy the needs that people teleview whenever and wherever possible, so mobile TV arises at the historic moment.
Mobile phone TV services are a kind of business of utilizing mobile phone terminal to watch TV programme.At present, the implementation of mobile phone TV services mainly contains two kinds: first kind is to adopt communication mode, provide multimedia service by cordless communication network to mobile phone is point-to-point, this mode is interactive strong, belong to transmission one to one, still, need take more frequency resource, so the number of carrying is limited and rate are high.Second kind is to adopt broadcast mode, utilize the digital broadcast television technology, by ground or satellite broadcasting television nerve of a covering, as the DVB-H (reception of digital video broadcast-handheld formula) on ground and Media Flo (the single forward link of medium) etc., the S-DMB of satellite (digital multimedia broadcast (dmb) via satellite) etc., to receiving terminal point-to-multipoints such as mobile phone terminal broadcast TV program, this mode are provided is that one-to-many is propagated, transport tape is roomy, picture quality is high, broad covered area, economical and practical.
Bluetooth technology is a kind of wireless communication technique of short distance, and the electronic equipment that bluetooth is installed can pass through the Bluetooth transmission data each other, to replace traditional transmission line.By the wireless receiver on the chip, adopt the electronic equipment of Bluetooth technology can in ten meters scopes, realize intercommunication mutually.The transmission rate of bluetooth 1.2 versions is 721Kbps, EDR (enhanced data rate) standard in the bluetooth of releasing in 2004 2.0 editions, and maximum transmission rate is 2.1Mbps.Bluetooth technology has entered bluetooth 2.1 and EDR stage thereof at present, and transmission rate can reach 2～3Mbps, and it is very quick to adopt bluetooth to transmit data.
At present, if the user wants to use mobile phone TV services, the mobile phone terminal that must purchase can support mobile phone TV services, and can support that the price of mobile phone terminal of mobile phone TV services is quite high, therefore, can utilize in user's hand existing mobile phone terminal to watch mobile TV, just become people's question of common concern.
And currently used buffer technology all is the buffering areas of opening up of made of one piece, and a file is write buffering area, when reading, whole file intactly be read out, and sends to destination device again.Adopt this mode, under the poor situation of network condition, will aggravate network congestion, and can cause bigger time delay the transmission of data.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of data buffering method of implementation method, terminal and employing of mobile phone TV services, makes the mobile phone terminal with mobile TV function also can watch mobile phone TV services.
For solving the problems of the technologies described above, the implementation method of mobile phone TV services of the present invention, comprise: the source terminal with mobile TV function is TV TV data with the mobile TV conversion of signals that receives, and the TV data are sent to the purpose terminal with mobile TV function by bluetooth approach; The purpose terminal is play received TV data.
Further, source terminal sends to the TV data before the purpose terminal after the mobile TV conversion of signals is the TV data, also the TV data is write a buffering area; When the purpose terminal sends the TV data, source terminal reads the TV data from buffering area, be packet with the TV data encapsulation, and packet is sent to the purpose terminal.
Further, source terminal reads the TV data frame by frame from buffering area, reads the TV data of a frame or multiframe at every turn.
Further, open up the internal storage location of the big or small N of being as buffering area; The size of the every frame of broadcast frame number * of the predefined time span * mobile TV of N=each second; Buffering area is divided into M buffer stopper,, when reading the TV data, from buffering area, reads L the TV data in the buffer stopper at every turn in each buffer stopper buffer memory one frame or multiframe TV data, wherein, L＜M.
Further, when the TV data in the buffering area all are not read, if in buffering area, write the TV data again this moment, then according to cache-time by covering original TV data to the back earlier.
Further, the realization terminal of mobile phone TV services comprises: TV process chip, buffering area, bluetooth protocol repertory and Bluetooth chip; It is the TV data that the TV process chip is used for the mobile TV conversion of signals, and writes buffering area; Buffering area is used for buffer memory TV data; Bluetooth protocol repertory is used for reading the TV data from buffering area, is packet with the TV data encapsulation that is read, and sends to Bluetooth chip; Bluetooth chip is used for received packet is sent to the terminal that other does not have the mobile TV function.
Further, buffering area is divided into M buffer stopper, in each buffer stopper buffer memory one frame or multiframe TV data, when reading the TV data, reads L the TV data in the buffer stopper from buffering area at every turn, wherein, and L＜M.
Further, when the TV data in the buffering area all are not read, if in buffering area, write the TV data again this moment, then according to cache-time by covering original TV data to the back earlier.
Further, data buffering method comprises: the internal storage location of opening up the big or small N of being is as the multi-medium data buffering area; The size of the every frame of broadcast frame number * of the predefined time span * multi-medium data of N=each second; Buffering area is divided into M buffer stopper, and each buffer stopper buffer memory one frame or multiframe multi-medium data when reading multi-medium data, read L the multi-medium data in the buffer stopper at every turn from buffering area, wherein, and L＜M.
Further, when the multi-medium data in the buffering area all is not read, if in buffering area, write multi-medium data again this moment, then according to cache-time by covering original multi-medium data to the back earlier.
In sum, the present invention by the Bluetooth wireless transmission technology with the audio, video data of mobile phone TV services from supporting the mobile phone terminal of mobile TV, be transmitted to the mobile phone terminal of not supporting mobile TV but supporting bluetooth, on the mobile phone terminal of not supporting mobile TV, realize the broadcast of mobile phone TV services, the present invention has realized utilizing the existing mobile phone terminal mobile phone television viewing of not supporting mobile phone TV services, avoided the user must change the fund input that mobile phone terminal brings, made most of users can both enjoy the facility that mobile phone TV services bring.
Description of drawings
Fig. 1 is the application scenarios schematic diagram of the retransmission method of mobile TV of the present invention;
Fig. 2 is the Organization Chart of the mobile phone terminal of transmitter side that the inventive method adopted and receiver side;
Fig. 3 is the flow chart of the inventive method;
Fig. 4 is the schematic diagram of the buffering area of the present invention's employing;
Fig. 5 is the flow chart that is provided with of buffering area shown in Figure 4.
Embodiment
Consider that the mobile phone terminal that extensively adopts at present generally all has bluetooth and media play function, and be to use mobile phone TV services and mobile phone terminal updated can cause very big waste, therefore, the present invention will have the mobile TV program that the source mobile phone terminal of mobile TV function receives, be transmitted to the purpose mobile phone terminal that does not have the mobile TV function but support bluetooth and media play by bluetooth, thereby realize making the also considerable TV programme that sees the mobile phone of the purpose mobile phone terminal with mobile TV function.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described:
Fig. 1 is an application scenarios of the present invention, suppose that mobile phone terminal A has mobile TV function and Bluetooth transmission function, mobile phone terminal B has Bluetooth transmission function and media play function, but do not have the mobile TV function, among the present invention, mobile phone terminal A receives mobile TV program from wireless network, and by bluetooth mobile TV program is transmitted to mobile phone terminal B, thereby has realized that mobile phone terminal B watches mobile phone TV services.
Fig. 2 is the system architecture of mobile phone terminal A and mobile phone terminal B, and wherein, mobile phone terminal A comprises antenna, TV (TV) process chip, buffering area, bluetooth protocol repertory, Bluetooth chip and the Bluetooth antenna that links to each other successively; Mobile phone terminal B comprises Bluetooth antenna, Bluetooth chip, bluetooth protocol repertory and the player that links to each other successively;
Among the mobile phone terminal A:
Antenna is used to receive the mobile TV signal;
It is the TV data that the TV process chip is used for the mobile TV conversion of signals, and the TV data are write in the buffering area;
Buffering area is used for buffer memory TV data;
Bluetooth protocol repertory is used for reading the TV data from buffering area, is packet with the TV data encapsulation that is read, and sends to Bluetooth chip;
Bluetooth chip is used for by Bluetooth antenna packet being sent to mobile phone terminal B.
Among the mobile phone terminal B:
Bluetooth chip is used for receiving the packet that mobile phone terminal A sends by its Bluetooth antenna, and the packet that receives is transmitted to the bluetooth protocol repertory of mobile phone terminal B;
The packet that bluetooth protocol repertory is used for receiving is descapsulated into the TV data, the TV data is converted to multimedia file sends to player;
Player is used for play multimedia files.
Fig. 3 comprises the steps: for the method for the present invention by bluetooth realization mobile TV program
Step 301: mobile phone terminal A initiates the bluetooth equipment search, searches mobile phone terminal B, the pairing bluetooth equipment; Or initiate the bluetooth equipment search by mobile phone terminal B, search mobile phone terminal A after, the pairing bluetooth equipment;
Step 302: the user selects to want the mobile TV program watched in mobile phone terminal A, mobile phone terminal A receives the mobile TV signal by antenna, and the mobile TV signal that receives is sent to the TV process chip;
After step 303:TV process chip receives the mobile TV signal, be the TV data, the TV data are write in the buffering area the mobile TV conversion of signals;
Step 304: bluetooth protocol repertory reads the TV data frame by frame from buffering area, be packet with the TV data encapsulation that is read, and sends to Bluetooth chip;
Bluetooth protocol repertory reads 1 frame or multiframe TV data from buffering area at every turn, buffering area can be divided into a plurality of buffer stoppers, specifically can be by the frame number of buffer stopper buffer memory, read the frame number of L buffer stopper buffer memory at every turn, wherein, L is less than the number M of buffer stopper in the buffering area, thereby, guaranteed the fluency of the television image that mobile phone terminal B plays.The related content of buffering area and buffer stopper will be described in detail below.
Step 305: after Bluetooth chip receives packet, packet is sent to mobile phone terminal B by Bluetooth antenna;
Step 306: the Bluetooth chip of mobile phone terminal B receives the packet that mobile phone terminal A sends by its Bluetooth antenna, and the packet that receives is transmitted to the bluetooth protocol repertory of mobile phone terminal B;
Step 307: the bluetooth protocol repertory of mobile phone terminal B is descapsulated into the TV data with the packet that receives, and the TV data is converted to multimedia file sends to player;
Step 308: the multimedia file that the player plays of mobile phone terminal B receives.
The buffering area of Fig. 4 for adopting among the mobile phone terminal A adopts the sort buffer district can guarantee the fluency of the television image that mobile phone terminal B plays effectively.Fig. 5 is the method to set up of buffering area, comprises the steps:
Step 501: according to the size of each frame of mobile TV picture and the frame number play each second, but the internal storage location of opening up the data of playing in the buffer memory certain hour is as buffering area;
As, mobile TV program is play 24 frames each second, 2 second data the big or small N of buffering area be: 2 seconds every frame signs of * of 24 frame *.
Step 502: according to the cacheable frame number of buffering area buffering area is divided into M buffer stopper, each buffer stopper is buffer memory one frame data at least, during reading of data, can read the frame number of buffer memory in L the buffer stopper, wherein L＜M at every turn;
In the present embodiment, for per second 24 frames, the buffering area of 2 seconds data of buffer memory can be divided into buffering area 48 buffer stoppers at most, each buffer stopper buffer memory 1 frame data; The rest may be inferred, also buffering area can be divided into 24 buffer stoppers, each buffer stopper buffer memory 2 frame data or the like.
Step 503: for buffering area is provided with write pointer and read pointer, write pointer is used to represent data are put into the position of buffering area, the position when read pointer is used to represent from the buffering area reading of data, and when initial, write pointer and read pointer all point to the initial buffer stopper of buffering area.
When the TV process chip writes buffering area with the TV data,, whenever write full buffer stopper, write pointer is moved one backward according to the frame number that writes data; Equally, bluetooth protocol repertory according to the frame number of reading of data, whenever reads the data of a buffer stopper during from the buffering area reading of data, and write pointer is moved one backward.
When write pointer and read pointer arrive the terminal point of buffering area, then be reinitialized to the original position of buffering area.When write pointer arrive buffering area do not read the zone time, will data write and do not read the zone, from the data that deposit at first, cover legacy data, to guarantee the real-time of data.Can be by a buffer stopper counter be set, after writing the data of a buffer stopper buffer stopper counter is added 1, after reading the data of a buffer stopper, the buffer stopper counter is subtracted 1, when the value of buffer stopper counter is the number of buffer stopper of buffering area, illustrate that then write pointer arrives the zone of not reading of buffering area, at present embodiment, that is to say that the TV data forwarding has postponed 2 seconds, if the TV process chip writes data again, the data that then will not read cover, to guarantee the real-time to the data of mobile phone terminal B forwarding.
This way to play for time can be used to cushion the multi-medium data of various other types equally.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation, and protection scope of the present invention is as the criterion with claim.
Claims (10)
1, a kind of implementation method of mobile phone TV services is characterized in that,
Source terminal with mobile TV function is TV TV data with the mobile TV conversion of signals that receives, and described TV data are sent to the purpose terminal with mobile TV function by bluetooth approach;
Described purpose terminal is play received TV data.
2, the method for claim 1 is characterized in that,
Described source terminal sends to described TV data before the described purpose terminal after the mobile TV conversion of signals is the TV data, also described TV data is write a buffering area;
When sending described TV data to described purpose terminal, described source terminal reads described TV data from described buffering area, be packet with described TV data encapsulation, and described packet is sent to described purpose terminal.
3, method as claimed in claim 2 is characterized in that,
Described source terminal reads described TV data frame by frame from described buffering area, read the TV data of a frame or multiframe at every turn.
4, method as claimed in claim 3 is characterized in that,
The internal storage location of opening up the big or small N of being is as described buffering area; The size of the every frame of broadcast frame number * of the predefined time span * mobile TV of N=each second;
Described buffering area is divided into M buffer stopper,, when reading the TV data, from described buffering area, reads L the TV data in the buffer stopper at every turn in each buffer stopper buffer memory one frame or multiframe TV data, wherein, L＜M.
5, method as claimed in claim 4 is characterized in that,
When the TV data in the described buffering area all are not read, if in described buffering area, write the TV data again this moment, then according to cache-time by covering original TV data to the back earlier.
6, a kind of realization terminal of mobile phone TV services is characterized in that, described terminal comprises: TV process chip, buffering area, bluetooth protocol repertory and Bluetooth chip;
It is the TV data that described TV process chip is used for the mobile TV conversion of signals, and writes described buffering area;
Described buffering area is used for the described TV data of buffer memory;
Described bluetooth protocol repertory is used for reading described TV data from described buffering area, is packet with the TV data encapsulation that is read, and sends to described Bluetooth chip;
Described Bluetooth chip is used for received packet is sent to the terminal that other does not have the mobile TV function.
7, terminal as claimed in claim 6 is characterized in that,
Described buffering area is divided into M buffer stopper, in each buffer stopper buffer memory one frame or multiframe TV data, when reading the TV data, reads L the TV data in the buffer stopper from described buffering area at every turn, wherein, and L＜M.
8, terminal as claimed in claim 6 is characterized in that,
When the TV data in the described buffering area all are not read, if in described buffering area, write the TV data again this moment, then according to cache-time by covering original TV data to the back earlier.
9, a kind of data buffering method is characterized in that, comprising:
The internal storage location of opening up the big or small N of being is as the multi-medium data buffering area; The size of the every frame of broadcast frame number * of the predefined time span * multi-medium data of N=each second;
Described buffering area is divided into M buffer stopper, and each buffer stopper buffer memory one frame or multiframe multi-medium data when reading multi-medium data, read L the multi-medium data in the buffer stopper at every turn from described buffering area, wherein, and L＜M.
10, method as claimed in claim 9 is characterized in that,
When the multi-medium data in the described buffering area all is not read, if in described buffering area, write multi-medium data again this moment, then according to cache-time by earlier covering original multi-medium data to the back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101712667A CN101383960B (en) | 2008-10-30 | 2008-10-30 | Mobile phone television service implementing method, terminal and adopted data buffering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101712667A CN101383960B (en) | 2008-10-30 | 2008-10-30 | Mobile phone television service implementing method, terminal and adopted data buffering method |
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| Publication Number | Publication Date |
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| CN101383960A true CN101383960A (en) | 2009-03-11 |
| CN101383960B CN101383960B (en) | 2011-05-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140758A1 (en) * | 2010-05-14 | 2011-11-17 | 中兴通讯股份有限公司 | Method for forwarding television programs, television modem server and television network system |
| CN105847954A (en) * | 2016-04-01 | 2016-08-10 | 乐视控股（北京）有限公司 | Data transmission method and device, intelligent terminal, and screen terminal and system |
| CN107094084A (en) * | 2016-02-17 | 2017-08-25 | 青岛海信电器股份有限公司 | A kind of data sharing method and device |
| CN110798734A (en) * | 2018-08-02 | 2020-02-14 | 广州视源电子科技股份有限公司 | Video frame caching and forwarding method and device and computer equipment |
-
2008
- 2008-10-30 CN CN2008101712667A patent/CN101383960B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140758A1 (en) * | 2010-05-14 | 2011-11-17 | 中兴通讯股份有限公司 | Method for forwarding television programs, television modem server and television network system |
| CN107094084A (en) * | 2016-02-17 | 2017-08-25 | 青岛海信电器股份有限公司 | A kind of data sharing method and device |
| CN105847954A (en) * | 2016-04-01 | 2016-08-10 | 乐视控股（北京）有限公司 | Data transmission method and device, intelligent terminal, and screen terminal and system |
| CN110798734A (en) * | 2018-08-02 | 2020-02-14 | 广州视源电子科技股份有限公司 | Video frame caching and forwarding method and device and computer equipment |
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| Publication number | Publication date |
|---|---|
| CN101383960B (en) | 2011-05-11 |
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