CN101064824A - Method, system and apparatus for playing audio-video data - Google Patents
Method, system and apparatus for playing audio-video data Download PDFInfo
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- CN101064824A CN101064824A CNA2006100605762A CN200610060576A CN101064824A CN 101064824 A CN101064824 A CN 101064824A CN A2006100605762 A CNA2006100605762 A CN A2006100605762A CN 200610060576 A CN200610060576 A CN 200610060576A CN 101064824 A CN101064824 A CN 101064824A
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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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
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
Abstract
The invention discloses a method of playing audio and video data that comprises: terminal gets service discovery and service express information from operation server, thereinto it includes medium position information of program and audio and video data coding type; generating electronic program guiding and obtaining medium position information of program and audio and video data coding type; obtaining audio and video data flow based on the medium position information of program from flow medium server; selecting corresponding decoder to decode the data flow for playing based on the audio and video data coding type. The invention also discloses a system and terminal device which play audio and video data. The invention makes IPTV terminal can support playing of multimedia data in different coding format.
Description
Technical field
The present invention relates to the communications field, relate in particular to the mthods, systems and devices of audio plays video data on a kind of IPTV (Internet Protocol Television) set-top box.
Background technology
The video of present transmission in Digital Television Cable net or the coded format that voice data mainly adopts MPEG-2.MHP (Multimedia Home Platform) standard is the middleware standard that is used for shield machine set-top box hardware and operating system difference of DVB (digital video broadcasting DigitalVideo Broadcasting) tissue definition, the MHP standard is mainly used in the digital TV set-top box of Cable net, and the multimedia framework that it comprised designs at this situation.
In the Cable net, all media datas and associated description information are all used TS (Transport Stream) carrying, and they are distinguished by different PID (Packet ID).According to PID, can from TS stream, parse multiplexing audio and video data streams.
The principle of the audio, video data of set-top box processes processing at present is: the stream medium audio and video transfer of data of MPEG-2 coding is in set-top box, audio, video data adopts the MPEG-2 coding, the audio and video data streams of the MPEG-2 coding that set-top box processes receives is decoded to the audio, video data of MPEG-2 coding; Decoded audio/video information outputs in the playback equipment, as television set, sound equipment etc.
As shown in Figure 1, handling process comprises:
1, acquisition needs the location expression information of the audio frequency and video of broadcast.In the media description information that head end issues, comprise audio/video program tabulation and corresponding location expression information.Set-top box generates EPG (Electronic Program Guide, Electronic Program Guide) according to this information, and when the user selected the program that will play by EPG, processing module had just obtained the corresponding location expression information of program.Generally, location expression information is as follows:
dvb：//<onID>.<tsID>.<sID>[.<ctag>[&<ctag>]][；<evID>][<path>]
Wherein,
OnID:Original Network ID has indicated broadcaster or network that content is provided;
TsID:Transport Stream ID indicates specific T S in the broadcasting;
SID:Service ID indicates service specific among the TS;
2, according to the audio frequency and video location expression information that obtains TS stream is carried out demultiplexing, obtain corresponding audio and video data streams;
3, the MPEG-2 audio, video data is decoded.Decoded data output to playback equipment.
Existing audio frequency and video player method, the mode of employing hard coded is supported a kind of broadcast of audio, video data of type coding.H.264 or MPEG-4 if the coded format that audio/video program adopts other is such as, existing player method can not be play this type of program.
Arriving along with the IPTV epoch, only adopt a kind of way of multimedia coding form can't satisfy user's needs in consolidated network, the present invention proposes a kind of new broadcast framework and solves the defective of present media playing method to support the multimedia data playback of different coding form.
Summary of the invention
The invention provides a kind of mthods, systems and devices of supporting that multimedia data in different coding format is play, to solve the defective of above-mentioned prior art.
The invention provides following technical scheme:
A kind of method of playing audio-video data is characterized in that, comprises the steps:
Terminal is obtained service discovery and service description information from service server, and described service discovery and service description information have comprised the medium position information and the audio, video data type of coding of program;
Terminal generates Electronic Program Guide according to described service discovery and service description information, and obtains the medium position information of program and the audio, video data type of coding of program according to user's selection;
Terminal is obtained audio and video data streams according to the medium position information of described program from streaming media server;
Terminal selects corresponding decoder to the broadcast of decoding of described audio and video data streams according to the audio, video data type of coding of described program.
Optionally, described service discovery and the service description information of obtaining issues by service server broadcasting, multicast or mode of unicast and obtains.
Optionally, described service discovery and service description information are the service discovery and the selection information of digital video broadcasting, perhaps are the broadband content guide information.
Optionally, described obtain audio and video data streams from streaming media server can be by the mode of broadcasting, many ripples or clean culture.
A kind of system of playing audio-video data comprises:
Service server is used to provide service discovery and service description information, and described service discovery and service description information have comprised the medium position information and the audio, video data type of coding of program;
Streaming media server is used to provide actual audio and video data streams, and these audio, video datas can be multiple coded systems;
Terminal is used for obtaining service discovery and service description information from service server, generates Electronic Program Guide, plays from audio, video data and decoding that streaming media server obtains program according to user's selection.
Optionally, described terminal is obtained service discovery and service description information can be by broadcasting, multicast or mode of unicast from service server.
Optionally, described terminal obtain audio and video data streams from streaming media server can be by the mode of broadcasting, many ripples or clean culture.
Described service server and streaming media server are separate physical entity; Perhaps, described service server and streaming media server are same physical entity.
A kind of terminal of playing audio-video data comprises:
Audio, video data type of coding acquisition module, be used for generating Electronic Program Guide according to service discovery that receives and service description information, according to user selected program, extract the type of coding of audio, video data, and with this type of coding warning tone video data decoding module;
The audio, video data decoder module is used for calling corresponding decoder according to the audio, video data type of coding that obtains, and the audio and video data streams that receives is decoded and decoded audio/video information is issued the audio frequency and video output module;
The audio frequency and video output module is used for decoded audio/video information is outputed to playback equipment.
Beneficial effect of the present invention is as follows:
The invention enables the IPTV terminal can dynamically obtain audio frequency and video type specification information, and carry out the decoding and the broadcast of corresponding audio, video data, thereby support playing of multimedia data in different coding format according to different type of codings.
Description of drawings
Fig. 1 is the schematic flow sheet that existing audio, video data is play;
Fig. 2 is a system configuration schematic diagram of the present invention;
Fig. 3 is the schematic flow sheet that audio, video data of the present invention is play.
Embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with accompanying drawing.
In IPTV, there is polytype audio/video coding, comprises MPEG-2 coding, MPEG-4 coding, multiple mode such as coding H.264.The program that the user selects according to EPG may use any coded system wherein.
As shown in Figure 2, support polymorphic type coding audio, video data playing system to comprise service server, streaming media server, terminal; Wherein:
Service server is used to provide audio frequency and video service discovery and service description information, can be issued to terminal by broadcasting/many ripples (Push) mode or clean culture (Pull) mode.The medium position information and the audio, video data coded format that have wherein comprised program;
Streaming media server is used to provide actual audio and video data streams, can be sent to terminal by the mode of broadcasting, many ripples or clean culture, and these audio, video datas can be multiple coded systems;
Terminal can be set-top box or PC etc., is used for from service server obtaining service discovery and service description information, generates the EPG Electronic Program Guide, plays from audio, video data and decoding that streaming media server obtains program according to user's selection.
Described service server and streaming media server can be separate physical entity, also can be same physical entity.
Further, terminal comprises with lower module:
Audio, video data type of coding acquisition module is used for generating EPG according to service discovery that receives and service description information, and according to user selected program, extracts the type of coding of audio, video data, and with this type of coding warning tone video data decoding module.
The audio, video data decoder module is used for calling corresponding decoder according to the audio, video data type of coding that obtains, and the audio and video data streams that receives from streaming media server is decoded.Decoded audio/video information is issued the audio frequency and video output module.
The audio frequency and video output module is used for decoded audio/video information is outputed to playback equipment, as television set, sound equipment, display etc.
As shown in Figure 3, be the playing flow of polymorphic type coding audio, video data, may further comprise the steps:
Step S1 obtains service discovery and service description information.
Service discovery and service description information mainly comprise programme information and the corresponding programme attribute of using for set-top box generation EPG.Service server issues the mode that service discovery and service description information can adopt Push, also can adopt the mode of Pull.The mode of Push is issued on the set-top box by service server broadcasting or multicast; The mode of Pull is that set-top box is initiated request, requires to obtain the audio frequency and video descriptor, and service server responds this request and issues service discovery and service description information by mode of unicast.
The coded format that has comprised the audio, video data of program in the service description information.For example, the audio frequency and video descriptor leaves service discovery and the information of selection SD﹠amp under the DVB environment; In the following attribute field among the S (Service DiscoveryInformation and Selection):
/BroadcastDiscovery/ServiceList/SingleService/AudioAttributes；
/BroadcastDiscovery/ServiceList/SingleService/VideoAttributes。
Perhaps leave in the following attribute field among the broadband content guide information BCG (Broadband Content Guide):
AudioAttributesType/Coding/name；
VideoAttributesType/Coding/name。
Step S2 obtains medium position information and audio, video data type of coding.
Set-top box is selected program according to service discovery that receives and service description information generation EPG electric program menu for the user, and according to user selected program, from service discovery and service description information, extract the corresponding audio frequency and video descriptor of program, obtain medium position and audio, video data type.For example to SD﹠amp; The parsing of S information promptly is to obtain the corresponding SD﹠amp of program; The value of following attribute field in the S information:
/BroadcastDiscovery/ServiceList/SingleService/AudioAttributes；
/BroadcastDiscovery/ServiceList/SingleService/VideoAttributes。
Parsing to BCG information promptly is the value that obtains following attribute field in the BCG information:
AudioAttributesType/Coding/name；
VideoAttributesType/Coding/name。
Step S3 obtains audio and video data streams according to the medium position information of program from streaming media server.
After set-top box generates the EPG menu, the medium position information of program just is stored among the EPG, when the user selected to play certain program, set-top box went to obtain actual media data according to the medium position information that provides among the EPG, as http://www.example.net/media/SomeContent.mp4.Streaming media server can be sent to terminal by the mode of broadcasting, many ripples or clean culture.
Step S4, according to the corresponding decoder of audio, video data type selecting to the broadcast of decoding of data stream.
Set-top box selects corresponding decoder to decode according to the aforementioned audio, video data type of coding that obtains, and decoded audio/video information is outputed to the playback equipment broadcast.For example, if being MPEG-4, type of coding just uses the MPEG-4 decoder; If H.264 just use H.264 decoder; If MPEG-2 just uses the MPEG-2 decoder.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1, a kind of method of playing audio-video data is characterized in that, comprises the steps:
Terminal is obtained service discovery and service description information from service server, and described service discovery and service description information have comprised the medium position information and the audio, video data type of coding of program;
Terminal generates Electronic Program Guide according to described service discovery and service description information, and obtains the medium position information of program and the audio, video data type of coding of program according to user's selection;
Terminal is obtained audio and video data streams according to the medium position information of described program from streaming media server;
Terminal selects corresponding decoder to the broadcast of decoding of described audio and video data streams according to the audio, video data type of coding of described program.
2, the method for claim 1 is characterized in that, described service discovery and the service description information of obtaining issues by service server broadcasting, multicast or mode of unicast and obtain.
3, the method for claim 1 is characterized in that, described service discovery and service description information are the service discovery and the selection information of digital video broadcasting, perhaps is the broadband content guide information.
4, the method for claim 1 is characterized in that, described obtain audio and video data streams from streaming media server can be by the mode of broadcasting, many ripples or clean culture.
5, a kind of system of playing audio-video data is characterized in that, comprising:
Service server is used to provide service discovery and service description information, and described service discovery and service description information have comprised the medium position information and the audio, video data type of coding of program;
Streaming media server is used to provide actual audio and video data streams, and these audio, video datas can be multiple coded systems;
Terminal is used for obtaining service discovery and service description information from service server, generates Electronic Program Guide, plays from audio, video data and decoding that streaming media server obtains program according to user's selection.
6, system as claimed in claim 5 is characterized in that, described terminal is obtained service discovery and service description information can be by broadcasting, multicast or mode of unicast from service server.
7, system as claimed in claim 5 is characterized in that, described terminal is obtained audio and video data streams from streaming media server can be by the mode of broadcasting, many ripples or clean culture.
8, system as claimed in claim 5 is characterized in that, described service server and streaming media server are separate physical entity; Perhaps, described service server and streaming media server are same physical entity.
9, a kind of terminal of playing audio-video data is characterized in that, comprising:
Audio, video data type of coding acquisition module, be used for generating Electronic Program Guide according to service discovery that receives and service description information, according to user selected program, extract the type of coding of audio, video data, and with this type of coding warning tone video data decoding module;
The audio, video data decoder module is used for calling corresponding decoder according to the audio, video data type of coding that obtains, and the audio and video data streams that receives is decoded and decoded audio/video information is issued the audio frequency and video output module;
The audio frequency and video output module is used for decoded audio/video information is outputed to playback equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100605762A CN101064824A (en) | 2006-04-28 | 2006-04-28 | Method, system and apparatus for playing audio-video data |
| PCT/CN2007/001170 WO2007128194A1 (en) | 2006-04-28 | 2007-04-11 | Method, apparatus and system for playing audio/video data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100605762A CN101064824A (en) | 2006-04-28 | 2006-04-28 | Method, system and apparatus for playing audio-video data |
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| CN101064824A true CN101064824A (en) | 2007-10-31 |
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| CNA2006100605762A Pending CN101064824A (en) | 2006-04-28 | 2006-04-28 | Method, system and apparatus for playing audio-video data |
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| WO (1) | WO2007128194A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009067935A1 (en) * | 2007-11-22 | 2009-06-04 | Huawei Technologies Co., Ltd. | A method, device and system for implementing iptv services |
| CN101883269A (en) * | 2010-04-15 | 2010-11-10 | 西安酷派软件科技有限公司 | Method, device and mobile terminal for playing stream media |
| CN101951513A (en) * | 2010-09-19 | 2011-01-19 | 公安部第一研究所 | Digital video decoding system |
| CN101222625B (en) * | 2008-01-23 | 2011-05-25 | 中兴通讯股份有限公司 | Method and system for implementing IPTV multi-format mixed channel time shifting |
| CN102761736A (en) * | 2011-04-29 | 2012-10-31 | 腾讯科技（深圳）有限公司 | Video decoding method and device |
| CN101516030B (en) * | 2009-04-10 | 2013-05-01 | 华硕电脑股份有限公司 | Data processing circuit and processing method with multi-format image coding and decoding functions |
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| CN104837057A (en) * | 2014-08-07 | 2015-08-12 | 腾讯科技（北京）有限公司 | Video file playing method, device and system |
| CN105471871A (en) * | 2015-11-26 | 2016-04-06 | 传线网络科技（上海）有限公司 | Method and apparatus for providing video clip set |
| CN108989826A (en) * | 2017-06-05 | 2018-12-11 | 上海交通大学 | The processing method and processing device of video resource |
| CN113676769A (en) * | 2021-08-23 | 2021-11-19 | 北京字跳网络技术有限公司 | Video decoding method, apparatus, storage medium, and program product |
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| CN102158553B (en) * | 2011-03-31 | 2017-04-12 | 华为技术有限公司 | Method and device for playing multi-media files for remote desktop |
| FR3136919A1 (en) * | 2022-06-24 | 2023-12-22 | Orange | method of managing the playback of multimedia content. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999020049A1 (en) * | 1997-10-14 | 1999-04-22 | Thomson Licensing S.A. | System for formatting and processing multimedia program data and program guide information |
| JP3917363B2 (en) * | 2000-12-12 | 2007-05-23 | 株式会社東芝 | Image decoding apparatus and image decoding method |
| US7174561B2 (en) * | 2001-04-13 | 2007-02-06 | Emc Corporation | MPEG dual-channel decoder data and control protocols for real-time video streaming |
| EP1599049A3 (en) * | 2004-05-21 | 2008-04-02 | Broadcom Advanced Compression Group, LLC | Multistandard video decoder |
-
2006
- 2006-04-28 CN CNA2006100605762A patent/CN101064824A/en active Pending
-
2007
- 2007-04-11 WO PCT/CN2007/001170 patent/WO2007128194A1/en active Application Filing
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| CN101222625B (en) * | 2008-01-23 | 2011-05-25 | 中兴通讯股份有限公司 | Method and system for implementing IPTV multi-format mixed channel time shifting |
| CN101516030B (en) * | 2009-04-10 | 2013-05-01 | 华硕电脑股份有限公司 | Data processing circuit and processing method with multi-format image coding and decoding functions |
| CN101883269A (en) * | 2010-04-15 | 2010-11-10 | 西安酷派软件科技有限公司 | Method, device and mobile terminal for playing stream media |
| CN101951513A (en) * | 2010-09-19 | 2011-01-19 | 公安部第一研究所 | Digital video decoding system |
| CN102761736A (en) * | 2011-04-29 | 2012-10-31 | 腾讯科技（深圳）有限公司 | Video decoding method and device |
| CN104837057B (en) * | 2014-08-07 | 2019-05-24 | 腾讯科技（北京）有限公司 | Video file broadcasting method, device and system |
| CN104837057A (en) * | 2014-08-07 | 2015-08-12 | 腾讯科技（北京）有限公司 | Video file playing method, device and system |
| CN104135686A (en) * | 2014-08-14 | 2014-11-05 | 广东威创视讯科技股份有限公司 | Sharing method of signals of spliced wall and user terminal |
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| CN105471871A (en) * | 2015-11-26 | 2016-04-06 | 传线网络科技（上海）有限公司 | Method and apparatus for providing video clip set |
| CN108989826A (en) * | 2017-06-05 | 2018-12-11 | 上海交通大学 | The processing method and processing device of video resource |
| CN113676769A (en) * | 2021-08-23 | 2021-11-19 | 北京字跳网络技术有限公司 | Video decoding method, apparatus, storage medium, and program product |
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| WO2007128194A1 (en) | 2007-11-15 |
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