CN102075818B - Method for processing intelligent personal television (IPTV) network television data of global system for mobile communication (GSM) mobile phone - Google Patents
Method for processing intelligent personal television (IPTV) network television data of global system for mobile communication (GSM) mobile phone Download PDFInfo
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Abstract
The invention relates to a method for processing intelligent personal television (IPTV) network television data of a global system for mobile communication (GSM) mobile phone. The method comprises the following steps of: eliminating audio-video data which does not accord with a standard format from a service end; detecting and discarding data packs with errors in transmission; separating audio data and video data of the audio-video data according to a protocol of a data transmission layer; decoding obtained data, storing the obtained data in a buffer area respectively, then processing the obtained data respectively, and finally reading the video data and the audio data respectively; performing integration and packaging according to process tracking and supervising (PTS) information; storing the packaged audio data and video data to the buffer area and connecting the packaged audio data and video data with each client; and reading corresponding audio and video data from the buffer area according to requests of the clients, and transmitting the audio and video data to corresponding clients through a network. The method reduces the cost of a mobile phone end, can automatically expand a program source, upgrades the experience effect of the mobile phone television to the maximum extent, ensures the continuity and the consistency in the data transmission, and simultaneously, effectively reduces non-essential bytes in the data transmission.
Description
Technical field
The present invention relates to mobile phone IPTV Web TV technology, particularly relate to the processing method of GSM mobile handset IPTV Web TV data.
Background technology
Be accompanied by the development of society, mobile phone institute's role in people's life is increasingly important.People more and more pay close attention to the amusement function on the mobile phone, and aspect amusement, see that by mobile phone TV becomes again the important bright spot of cellphone multimedia amusement.
See that by mobile phone the realization of TV mainly is by increasing TV chip at mobile phone, playing TV by receiving wireless television signal in the market.Difference according to TV chip mainly is divided into following three schemes:
1, analog signal chip (Analog signal chip).Mainly be to receive analog signal, and carry out processes and displays.Shortcoming: program channel is single, and image quality is relatively poor, and jitter contains much information, and mobile phone terminal power consumption is high, processes complexity, the high in cost of production defective.
2, digital signal chip (DTV signal chip).Receiving digital signals, and carry out processes and displays.Shortcoming: program channel is single, contains much information, and mobile phone terminal is processed complicated, and power consumption is very large, the high in cost of production defective.
3, mobile television signal chip (CMMB signal chip).Receive the handheld device TV signal, and carry out processes and displays.Shortcoming: joint channel order is single, and the chip expense is high, and mobile phone terminal power consumption is larger, and region limits is arranged, and is also at the experimental stage at present, and video flowing needs charge, and process chip needs copyright fee, the high in cost of production defective.
Comprehensive above analysis can find out that scheme existed program single in the past, and image quality is undesirable, and overall expenses is high, and the compartmentalization restriction consumes the shortcomings such as higher when chip uses.
Summary of the invention
Technical problem to be solved by this invention is exactly the processing method that GSM mobile handset IPTV Web TV data are provided for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions: the processing method of GSM mobile handset IPTV Web TV data, it is characterized in that, and may further comprise the steps:
A. service end is rejected the audio, video data that does not meet reference format;
B. detect and abandon the misdata bag that produces in the transmission, according to the agreement of data transfer layer with the voice data of audio, video data and video data separately, preserve simultaneously corresponding displaying time stamp PTS information;
C. the voice data that obtains is decoded, export the original PCM formatted data with time slot Ts, and be saved to the first buffering area;
D. the video data that obtains is decoded, export original video data, and be saved to the second buffering area;
E. from the second buffering area reading video data, dwindle downscale by the secondary differential technique, the image after dwindling is carried out precommpression, and the video data after will compressing is saved to the 3rd buffering area;
F. read in order voice data from the first buffering area, carry out the high compression ratio compression, be saved to the 4th buffering area after the encapsulation;
G. from the 3rd buffering area and the 4th buffering area respectively reading video data and voice data, merge and encapsulate according to PTS information, and the audio, video data after will encapsulating is saved to the 5th buffering area;
H. connect with each client, read corresponding audio, video data according to the request of client from the 5th buffering area, and send to corresponding client by network.
Described reference format comprises mpeg format video+AAC format audio, Analog format video+PCM format audio, mpeg format video+AC3 format audio and H264 format video+amr format audio.
Described service end and client are advanced alternately by the ETV flow host-host protocol, and this ETV flow host-host protocol comprises:
Connecting path of model before client is connected with service end, service end and client are all opened up a block buffering after the connection request success, as the data extra buffer;
Service end is set up an independently control section according to link separately simultaneously, is responsible for carrying out data interaction according to network state;
Concrete request of data is sent by client, and service end sends data, revises the Data Position of client when data receiver is finished, and guarantees the continuity of data;
Simultaneously, when network occur to postpone, client after the regular hour from a position again send request, prevent that data are lost, realize the continuity of data.
Compared with prior art, the present invention has the following advantages:
1, do not need hardware supports, effectively reduce the cost of mobile phone terminal;
2, aspect program source, can automatically expand, demonstrate fully the program variation, without the characteristics of region limits;
3, adopt up-to-date compress technique, for different handset processes abilities, promote to the full extent the experience effect of mobile TV;
4, adopt self-defining host-host protocol, guarantee continuity and consistency in the data transmission procedure, effectively reduce simultaneously byte nonessential in the transfer of data.
Embodiment
Below the present invention will be further described.
The processing method of GSM mobile handset IPTV Web TV data may further comprise the steps:
A. service end is rejected the audio, video data that does not meet reference format;
B. detect and abandon the misdata bag that produces in the transmission, according to the agreement of data transfer layer with the voice data of audio, video data and video data separately, preserve simultaneously corresponding displaying time stamp PTS information;
C. the voice data that obtains is decoded, export the original PCM formatted data with time slot Ts, and be saved to the first buffering area;
D. the video data that obtains is decoded, export original video data, and be saved to the second buffering area;
E. from the second buffering area reading video data, dwindle downscale by the secondary differential technique, the image after dwindling is carried out precommpression, and the video data after will compressing is saved to the 3rd buffering area;
F. read in order voice data from the first buffering area, carry out the high compression ratio compression, be saved to the 4th buffering area after the encapsulation;
G. from the 3rd buffering area and the 4th buffering area respectively reading video data and voice data, merge and encapsulate according to PTS information, and the audio, video data after will encapsulating is saved to the 5th buffering area;
H. connect with each client, read corresponding audio, video data according to the request of client from the 5th buffering area, and send to corresponding client by network.
Described reference format comprises mpeg format video+AAC format audio, Analog format video+PCM format audio, mpeg format video+AC3 format audio and H264 format video+amr format audio; Described service end and client are advanced alternately by the ETV flow host-host protocol, and this ETV flow host-host protocol comprises:
Connecting path of model before client is connected with service end, service end and client are all opened up a block buffering after the connection request success, as the data extra buffer;
Service end is set up an independently control section according to link separately simultaneously, is responsible for carrying out data interaction according to network state;
Concrete request of data is sent by client, and service end sends data, revises the Data Position of client when data receiver is finished, and guarantees the continuity of data;
Simultaneously, when network occur to postpone, client after the regular hour from a position again send request, prevent that data are lost, realize the continuity of data.
Audio, video data can make the combination in any of current main-stream form, as: Video (MPEG)+Audio (AAC), Video (Analog)+Audio (PCM), Video (MPEG)+Audio (AC3), Video (H264)+Audio (amr) etc.At first to analyze data stream, reject the data source of the scheme that is not suitable for.Then audio, video data is analyzed and unpacked, analyzing mainly is the correctness that guarantees transmission course, loses wrong packet.Unpacking mainly is agreement for the different pieces of information transport layer, find out suitable data source, and according to agreement data are processed, wherein Audio and Video data are separated, process simultaneously relevant PTS information, then Audio and the Video data of separating are decoded respectively.By analyzing the Audio data flow, adopt suitable decoding bag that data are processed, export at last the original PCM formatted data with Ts, and data are saved in the first buffering area, reading and writing of colleague's assurance data has competitiveness, can not there be deadlock, guarantees the reasonable continuity of data; The Video data flow is carried out code stream analysis, then calling suitable decoding bag decodes, in decode procedure, displaying time is done unified the adjustment, at last original data flow is stored in the second buffering area, prevent deadlock and dirty data, guarantee the reasonability of reading and writing data, increase the autgmentability of follow-up function.Read the original video stream in the second buffering area, at first adopt advanced secondary difference to send out to image and carry out downscale, and the image after stretching carried out precommpression, precompressed main purpose is the consumption that counts in the compressed bit stream, cooperate the Rate Control strategy, reset compression control, guarantee the reasonability of Bit allocation, finally guarantee lifting image experience effect as much as possible under fixing code check, afterwards with deposit data in the 3rd buffering area.Voice data is read from the first buffering area in order, wherein comprise part control information and PTS information, sample rate and bit rate are analyzed, adopt the algorithm of high compression ratio that initial data is compressed, and carry out simplified package, and the data of encapsulation are write in the 4th buffering area.Read the data of the 3rd buffering area and the 4th buffering area, and to data analysis, then audio, video data is merged according to the PTS sequencing, guarantee the synchronism of code stream audio frequency and video, encapsulation process adopts unique file simulation encapsulation, it is unnecessary both effectively to have reduced, and guarantees to a certain extent again continuity and the controllability of data.The data that obtain are audio, video datas of autonomous form encapsulation, simultaneously the 5th buffering area are controlled, and comprise size and loop control, at last autonomous formatted data are write the 5th buffering area.Module 10 is that whole scheme service end is set up a connection for each client, then independently hold consultation with client, association requests according to client is read data from the 5th buffering area, guarantee the order reasonability of data in the process that reads, then by interconnection network, data are passed to requesting client.
Claims (1)
1.GSM the processing method of mobile phone IPTV Web TV data is characterized in that, may further comprise the steps:
A. service end is rejected the audio, video data that does not meet reference format;
B. detect and abandon the misdata bag that produces in the transmission, according to the agreement of data transfer layer with the voice data of audio, video data and video data separately, preserve simultaneously corresponding displaying time stamp PTS information;
C. the voice data that obtains is decoded, the PCM formatted data with time slot Ts that defeated mountain plateau begins, and be saved to the first buffering area;
D. the video data that obtains is decoded, the video data that defeated mountain plateau begins, and be saved to the second buffering area;
E. from the second buffering area reading video data, dwindle downscale by the secondary differential technique, the image after dwindling is carried out precommpression, and the video data after will compressing is saved to the 3rd buffering area;
F. read in order voice data from the first buffering area, carry out the high compression ratio compression, be saved to the 4th buffering area after the encapsulation;
G. from the 3rd buffering area and the 4th buffering area respectively reading video data and voice data, merge and encapsulate according to PTS information, and the audio, video data after will encapsulating is saved to the 5th buffering area;
H. connect with each client, read corresponding audio, video data according to the request of client from the 5th buffering area, and send to corresponding visitor by network and extensively hold,
Described reference format comprise the MPFG format video ,+AAC format audio, Analog format video ,+PCM format audio, mpeg format video ,+the AC3 format audio and H.264 format video ,+the amr format audio,
Described service end and client are undertaken alternately by the ETV flow host-host protocol, and this ETV flow host-host protocol comprises:
Client is with before service end is connected, connecting path of model, and service end and client are all opened up a block buffering after the connection request success, as the data extra buffer;
Service end basis chain separately pulls out and sets up an independently control section simultaneously, is responsible for carrying out data interaction according to network state;
Concrete request of data is sent by client, and service end sends data, revises the Data Position of client when data receiver is finished, and guarantees the continuity of data;
Simultaneously, when network occur to postpone, client after the regular hour from a position again send request, prevent that data are lost, realize the continuity of data.
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| CN 200910199170 CN102075818B (en) | 2009-11-20 | 2009-11-20 | Method for processing intelligent personal television (IPTV) network television data of global system for mobile communication (GSM) mobile phone |
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| CN102427564B (en) * | 2011-11-18 | 2015-01-14 | 百视通网络电视技术发展有限责任公司 | Realizing method and system of time stamp based on IPTV (Internet Protocol Television) |
| CN102802002B (en) * | 2012-08-14 | 2015-01-14 | 上海艾麒信息科技有限公司 | Method for mobile phone to play back 3-dimensional television videos |
| CN103856828A (en) * | 2012-11-29 | 2014-06-11 | 北京千橡网景科技发展有限公司 | Video data transmission method and device |
| CN113541867A (en) * | 2021-06-30 | 2021-10-22 | 南京奥通智能科技有限公司 | Remote communication module for converged terminal |
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| CN101271720A (en) * | 2008-04-22 | 2008-09-24 | 中兴通讯股份有限公司 | Synchronization process for mobile phone stream media audio and video |
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| CN1472959A (en) * | 2002-07-30 | 2004-02-04 | 华为技术有限公司 | Device and method for realizing conversion between various VF flow formats |
| CN1960328A (en) * | 2006-08-14 | 2007-05-09 | 中兴通讯股份有限公司 | Method for packaging real time stream of mobile multimedia broadcast |
| CN101466044A (en) * | 2007-12-19 | 2009-06-24 | 康佳集团股份有限公司 | Method and system for synchronously playing stream medium audio and video |
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Denomination of invention: Method for processing intelligent personal television (IPTV) network television data of global system for mobile communication (GSM) mobile phone Effective date of registration: 20170424 Granted publication date: 20130403 Pledgee: Bank of China Limited by Share Ltd Shanghai Minhang branch Pledgor: Shanghai Aiqi Information Science & Technology Co., Ltd. Registration number: 2017310000021 |
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Denomination of invention: Method for processing intelligent personal television (IPTV) network television data of global system for mobile communication (GSM) mobile phone Effective date of registration: 20180927 Granted publication date: 20130403 Pledgee: Bank of China Limited by Share Ltd Shanghai Minhang branch Pledgor: Shanghai Aiqi Information Science & Technology Co., Ltd. Registration number: 2018310000062 |
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