CN102045296B - System for realizing network media caption-playing based on network protocol and method thereof - Google Patents
System for realizing network media caption-playing based on network protocol and method thereof Download PDFInfo
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- CN102045296B CN102045296B CN 200910110314 CN200910110314A CN102045296B CN 102045296 B CN102045296 B CN 102045296B CN 200910110314 CN200910110314 CN 200910110314 CN 200910110314 A CN200910110314 A CN 200910110314A CN 102045296 B CN102045296 B CN 102045296B
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Abstract
The invention discloses a system for realizing network media caption-playing based on network protocol and a method thereof, wherein the method comprises the following steps of sending media caption file-obtaining request message to a network service terminal by a network client; establishing a data transmission passage between the network service terminal and the network client, transmitting a caption file to the network client through the data transmission passage by the network service terminal; analyzing the caption file by the network client, decoding and playing the caption. The system and method of the invention can establish the data transmission passage between the network service terminal and the network client after sending the caption file-obtaining request message to the network service terminal from the network client; according to the caption file-obtaining request message, the network service terminal transmits the caption file to the network client through the data transmission passage; the network analyses, decodes and plays the caption file so as to realize the caption display as well as realize the video play when playing the media file in a network equipment room.
Description
Technical field
The present invention relates to a kind of system and method thereof of media play captions, relate in particular to system and method thereof that a kind of agreement Network Based realizes network media broadcast captions.
Background technology
The main purpose of IGRS (Intelligent Grouping and Resource Sharing) IGRS standard is to promote the fusion of different 3C equipment rooms and interconnect.For IGRS standard, an important use is medium sharing between distinct device, such as play the film that is stored in the computer by set-top box.But in the present video AV of the IGRS application framework, lack perfect support to subtitle file, when making IGRS's equipment room playing media file, can only display video, and can not play captions.
The shortage of caption function causes IGRS standard, and be restricted with the popularization of IGRS UPNP/DLNA standard of the same type, this also is why up to today, SMB, the hard disk of NFS and so on is shared the formula procotol can also be in a lot of countries, especially the reason that is widely used in the non-English speaking country.
Therefore, in existing video playback, increase support to subtitle file, must be very necessary.
Summary of the invention
The object of the present invention is to provide a kind of agreement Network Based to realize the system and the method thereof of network media broadcast captions, when the LA Management Room playing media file, both can realize the demonstration of video, can realize the broadcast of medium captions again.
Technical scheme of the present invention is as follows:
A kind of agreement Network Based realizes the system of media play captions, comprises network client terminal and network service terminal, wherein,
Be provided with data transmission channel between described network client terminal and the network service terminal, this data transmission channel is used for carrying subtitle file by network service terminal to the network client terminal;
Described network client terminal is provided with: captions request module and captions playing module, this captions request module are used for sending subtitle file to the captions memory module and obtain request message, and the captions playing module is used for the subtitle file that the obtains broadcast of decoding;
Described network service terminal is provided with: captions memory module and captions sending module, described captions memory module is used for the subtitle file and the subtitle file response message of storage networking medium, described captions sending module, be used for extracting subtitle file, and subtitle file be transferred to the captions playing module by data transmission channel from the captions memory module.
Described system, wherein, described captions request module is used for sending the subtitle file query messages to the captions memory module, and the generation subtitle file obtains request message.
Described system, wherein, described captions sending module is used for extracting the subtitle file response message from the captions memory module, and is sent in the captions request module.
Described system, wherein, described subtitle file query messages comprises: the media file name of current broadcast, medium subtitle language type, medium subtitle file form.
Described system, wherein, described subtitle file response message comprises: the subtitle file quantity of current media file correspondence, medium subtitle file format list, medium subtitle language list of types.
A kind of agreement Network Based realizes the method for network media broadcast captions, and its step is as follows:
A, network client terminal send the medium subtitle file to network service terminal and obtain request message;
B, set up the data transmission channel between network service terminal and the network client terminal, network service terminal transmits subtitle file by this data transmission channel to the network client terminal;
C, network client terminal are resolved described subtitle file, and real-time decoding is play.
Described method, wherein, further comprising the steps of before the described steps A:
The captions request module of network client terminal sends the subtitle file query messages to the captions memory module of network service terminal;
The captions sending module of network service terminal extracts the subtitle file response message from the captions memory module, and is sent in the captions request module of network client terminal.
Described method, wherein, described steps A may further comprise the steps:
The captions request module of network client terminal is obtained request message according to the subtitle file response message that returns and self software capability generation subtitle file of network service terminal.
Described method, wherein, described subtitle file query messages comprises: the media file name of current broadcast, medium subtitle language type, medium subtitle file form.
Described method, wherein, described subtitle file response message comprises: medium subtitle file quantity, medium subtitle file format list, medium subtitle language list of types.
A kind of agreement Network Based provided by the present invention realizes the system and the method thereof of network media broadcast captions, its method adopts in the network client terminal after network service terminal transmission subtitle file obtains request message, set up the data transmission channel of network service terminal and network client terminal room, network service terminal obtains request message according to subtitle file, by data transmission channel to network client terminal transmission subtitle file; The network client terminal is resolved described subtitle file, and the real-time decoding broadcast, makes when the LA Management Room playing media file, not only can realize video playback but also can realize that captions show.
Description of drawings
Fig. 1 is the system schematic that the network media of the present invention is play captions;
Fig. 2 is the method flow diagram that the network media of the present invention is play captions.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is made a more detailed description.
Agreement Network Based of the present invention realizes playing demonstration in real time in order to realize real-time response and medium captions in the AV application framework of network media broadcast captions, when the network media is play, sets up a data transmission channel that is used for the transmission medium subtitle file; Because the subtitle file of the network media has multiple form, difference in size is big between the subtitle file of different-format, difference as the captions size of the subtitle file of text formatting size and picture format is just very big, if neither one is specifically designed to the data transmission channel of transmission medium subtitle file, then be difficult to realize the real-time response of medium captions and play in real time show.
Agreement Network Based of the present invention realizes the system of network media broadcast captions, and it comprises network client terminal 10 and network service terminal 20, referring to Fig. 1.Wherein, a data transmission channel 30 is set between described network client terminal 10 and the network service terminal 20, this data transmission channel 30 is specifically designed to the transmission subtitle file, shows with real-time response and the broadcast in real time of guaranteeing the medium captions.
Described network client terminal 10 is provided with: captions request module 11 and captions playing module 12, this captions request module 11 are used for sending the subtitle file query messages to the captions memory module 21 of network service terminal 20; And generate subtitle file according to the subtitle file response message of network service terminal 20 feedback and network client terminal self software capability and obtain request message, then this subtitle file is obtained the captions memory module 21 that request message is sent to network service terminal 20, ask for the subtitle file that himself needs and be suitable for to service terminal 20.
Wherein, described subtitle file query messages comprises following information: the media file name of current broadcast, medium subtitle language type, medium subtitle file form.
Described subtitle file response message comprises following information: medium subtitle file quantity, medium subtitle file format list, medium subtitle language list of types.
Captions playing module 12 is used for the subtitle file that subtend network service terminal 20 obtains resolves, and real-time decoding is play.
Network service terminal 20 is provided with: captions memory module 21 and captions sending module 22, and described captions memory module 21 is used for the subtitle file and the subtitle file response message of storage networking medium; Described captions sending module 22 is used for the subtitle file query messages that sends according to network client terminal 10, extracts the subtitle file response message and be sent in the captions request module 11 of network client terminal 10 from captions memory module 21; Described captions sending module 22 also is used for obtaining request message according to the subtitle file that networking client 10 sends, from captions memory module 21, extract the subtitle file that network client terminal 10 needs and is suitable for, and be sent to the captions playing module 12 of network client terminal 10 by data transmission channel 30; Then 12 pairs of these subtitle files of the captions playing module of network client terminal 10 are resolved, and real-time decoding is play demonstration.
System of the present invention is specifically designed to the data transmission channel of transmission subtitle file owing to be provided with one between network client terminal and network service terminal, and is provided for obtaining to network service terminal transmission subtitle file the captions request module and the captions playing module that is used for the subtitle file that obtains is decoded and play of request message in the network client terminal; Simultaneously be provided for the captions memory module of the subtitle file of storage networking medium and subtitle file message and be used for extracting subtitle file from the captions memory module at network service terminal, and be sent to the mode of the captions sending module of network client terminal by data transmission channel, realized the support of LA Management Room the media play captions.
Agreement Network Based of the present invention realizes the method for network media broadcast captions, and referring to Fig. 2, its concrete steps are as follows:
The captions request module of S1, network client terminal sends the subtitle file query messages to the captions memory module of network service terminal;
This subtitle file query messages comprises: the type of current in progress media file name, medium subtitle language and the form of medium subtitle file;
The captions sending module of S2, network service terminal extracts the subtitle file response message according to described subtitle file Query Information from described captions memory module, and is sent in the captions request module of network client terminal;
Described subtitle file response message comprises: subtitle file quantity, medium subtitle file format list and the medium subtitle language list of types corresponding with this media file on the current network service terminal;
After the captions request module of S3, network client terminal is received described subtitle file response message, according to the state that provides the medium subtitle file of network service terminal in himself software capability and this subtitle file response message, generate subtitle file and obtain request message, and this subtitle file obtained the captions memory module that request message is sent to network service terminal, promptly obtain the medium subtitle file that himself needs and be suitable for to network service terminal;
After the captions memory module of S4, network service terminal received that described subtitle file obtains request message, system set up data transmission channel between network service terminal and network client terminal;
The captions sending module of S5, network service terminal extracts the medium subtitle file that the network client terminal needs and is suitable for from described captions memory module, and transfers to the captions playing module of network client terminal by described data transmission channel;
After S6, the transmission of medium subtitle file were finished, network service terminal also to network client terminal feedback medium subtitle file return messages, was informed network client terminal media subtitle file end of transmission;
After the captions playing module of S7, network client terminal is received the medium subtitle file, then this medium subtitle file is resolved, and, the medium subtitle file is carried out real-time decoding play demonstration according to the video playback process.
The method that above-mentioned network media captions of the present invention are play can be divided into two stages, and first stage is a session establishment phase, and it comprises above-mentioned steps S1 and S2; After this session establishment phase was finished, the network client terminal had promptly possessed the details of the whole network service terminal subtitle file with media file related.Second stage play the stage for the medium captions, and it comprises above-mentioned steps S3-S7.
In described step S5, the medium subtitle file can use the transmission mode of " pushing away " or " drawing " in data transmission channel, and promptly network service terminal can initiatively be transferred to the network client terminal with the medium subtitle file; The network client terminal also can initiatively be extracted the medium subtitle file from network service terminal.
A kind of agreement Network Based provided by the present invention realizes the system and the method thereof of network media broadcast captions, its method adopts in the captions request module after captions memory module transmission medium subtitle file obtains request message, set up the data transmission channel of network service terminal and network client terminal room, the captions memory module is obtained request message according to the medium subtitle file, by data transmission channel by the captions sending module to captions playing module transmission medium subtitle file; The captions playing module is resolved described medium subtitle file, and the mode of real-time decoding broadcast, makes when the LA Management Room playing media file, both can realize video playback, can realize the broadcast of medium captions again, satisfy user's the demand of viewing and admiring, have broad prospect of application.
Claims (2)
1. the system of agreement realization media play captions Network Based is used for realizing the real-time response of medium captions and playing demonstration in real time at the AV application framework, comprises network client terminal and network service terminal, it is characterized in that,
Be provided with data transmission channel between described network client terminal and the network service terminal, this data transmission channel is used for carrying subtitle file by network service terminal to the network client terminal;
Described network client terminal is provided with: captions request module and captions playing module, this captions request module are used for sending subtitle file to the captions memory module and obtain request message, and the captions playing module is used for the subtitle file that the obtains broadcast of decoding;
Described network service terminal is provided with: captions memory module and captions sending module, described captions memory module is used for the subtitle file and the subtitle file response message of storage networking medium, described captions sending module, be used for extracting subtitle file, and subtitle file be transferred to the captions playing module by data transmission channel from the captions memory module;
Described captions request module is used for sending the subtitle file query messages to the captions memory module of network service terminal, the captions request module of network client terminal is received the subtitle file response message of network service terminal feedback, according to the state that provides the medium subtitle file of network service terminal in himself software capability and this subtitle file response message, generate subtitle file and obtain request message;
Described captions sending module is used for the subtitle file query messages that sends according to the network client terminal, extracts the subtitle file response message and be sent in the captions request module of network client terminal from the captions memory module; Described captions sending module also is used for obtaining request message according to the subtitle file that networking client sends, from the captions memory module, extract the subtitle file that the network client terminal needs and is suitable for, and be sent to the captions playing module of network client terminal by data transmission channel;
Described network service terminal to network client terminal feedback medium subtitle file return messages, is informed network client terminal media subtitle file end of transmission after the transmission of medium subtitle file is finished;
Described captions request module is used for sending the subtitle file query messages to the captions memory module, and the generation subtitle file obtains request message;
Described captions sending module is used for extracting the subtitle file response message from the captions memory module, and is sent in the captions request module;
Described subtitle file query messages comprises: the media file name of current broadcast, medium subtitle language type, medium subtitle file form;
Described subtitle file response message comprises: the subtitle file quantity of current media file correspondence, medium subtitle file format list, medium subtitle language list of types.
2. the method for an agreement realization network media broadcast captions Network Based is used for realizing the real-time response of medium captions and broadcast demonstration in real time at the AV application framework, and its step is as follows:
A, network client terminal send the medium subtitle file to network service terminal and obtain request message;
B, set up the data transmission channel between network service terminal and the network client terminal, network service terminal transmits subtitle file by this data transmission channel to the network client terminal;
C, network client terminal are resolved described subtitle file, and real-time decoding is play;
Further comprising the steps of before the described steps A:
The captions request module of network client terminal sends the subtitle file query messages to the captions memory module of network service terminal;
The captions sending module of network service terminal extracts the subtitle file response message from the captions memory module, and is sent in the captions request module of network client terminal;
Described steps A may further comprise the steps:
The captions request module of network client terminal is obtained request message according to the subtitle file response message that returns and self software capability generation subtitle file of network service terminal;
Described step B may further comprise the steps:
The captions sending module of network service terminal extracts the medium subtitle file that the network client terminal needs and is suitable for from described captions memory module, and transfers to the captions playing module of network client terminal by described data transmission channel;
After the transmission of medium subtitle file was finished, network service terminal also to network client terminal feedback medium subtitle file return messages, was informed network client terminal media subtitle file end of transmission;
Described subtitle file query messages comprises: the media file name of current broadcast, medium subtitle language type, medium subtitle file form;
Described subtitle file response message comprises: medium subtitle file quantity, medium subtitle file format list, medium subtitle language list of types.
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| CN 200910110314 CN102045296B (en) | 2009-10-21 | 2009-10-21 | System for realizing network media caption-playing based on network protocol and method thereof |
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| CN 200910110314 CN102045296B (en) | 2009-10-21 | 2009-10-21 | System for realizing network media caption-playing based on network protocol and method thereof |
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| CN105025319B (en) * | 2015-07-09 | 2019-03-12 | 无锡天脉聚源传媒科技有限公司 | A kind of video pushing method and device |
| CN109299047A (en) * | 2018-09-21 | 2019-02-01 | 深圳市九洲电器有限公司 | Distributed system data sharing method and device, data sharing distributed system |
| CN113329192A (en) * | 2021-06-29 | 2021-08-31 | 北京烫手科技有限公司 | Intelligent movie subtitle making method and system |
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| CN101075898A (en) * | 2007-05-31 | 2007-11-21 | 四川长虹电器股份有限公司 | Method for searching network equipment and service |
| CN101222592A (en) * | 2007-01-11 | 2008-07-16 | 深圳Tcl新技术有限公司 | Closed subtitling display equipment and method |
| CN101365106A (en) * | 2008-10-10 | 2009-02-11 | 四川长虹电器股份有限公司 | IPTV system Chinese subtitle indication method |
| CN101431635A (en) * | 2008-12-09 | 2009-05-13 | 四川长虹电器股份有限公司 | Display method for channel auxiliary information of digital television |
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| JP3981220B2 (en) * | 1999-09-24 | 2007-09-26 | 株式会社日立製作所 | Video on demand device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222592A (en) * | 2007-01-11 | 2008-07-16 | 深圳Tcl新技术有限公司 | Closed subtitling display equipment and method |
| CN101075898A (en) * | 2007-05-31 | 2007-11-21 | 四川长虹电器股份有限公司 | Method for searching network equipment and service |
| CN101365106A (en) * | 2008-10-10 | 2009-02-11 | 四川长虹电器股份有限公司 | IPTV system Chinese subtitle indication method |
| CN101431635A (en) * | 2008-12-09 | 2009-05-13 | 四川长虹电器股份有限公司 | Display method for channel auxiliary information of digital television |
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