CN105516761A - Onboard audio and video file propagation method based on wifi technology - Google Patents
Onboard audio and video file propagation method based on wifi technology Download PDFInfo
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- CN105516761A CN105516761A CN201510982001.5A CN201510982001A CN105516761A CN 105516761 A CN105516761 A CN 105516761A CN 201510982001 A CN201510982001 A CN 201510982001A CN 105516761 A CN105516761 A CN 105516761A
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- terminal
- audio
- video file
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41422—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance located in transportation means, e.g. personal vehicle
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25816—Management of client data involving client authentication
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25875—Management of end-user data involving end-user authentication
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
- H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Graphics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses an onboard audio and video file propagation method based on the wifi technology. By adopting the method, a passenger can interconnect with an aerial video server through a wireless play terminal via a wifi wireless network to quickly transmit large volume audio and video data, and the onboard audio and video file propagation method is convenient, quick and efficient.
Description
Art
The present invention relates to internet arena, be specifically related to a kind of based on audio/video file transmission method on the machine of wifi technology.
Background technology
Transatmospheric vehicle (as aircraft) is provided with data communications equipment usually, makes passenger can watch video film on the road, listen to the music or surf the Net.Traditional Passenger Entertainment System typically comprises cabin, the crown (overheadcabin) video system or the video system based on seat that have and control separately, makes to select view content by passenger.View content can comprise the audio content and video content that are derived from plurality of kinds of contents source.The internal content (such as audio player and video player) of installing on a vehicle can provide pre-recorded view content (such as film and music).
Due to the limited bandwidth that current airborne entertainment system is distributed, therefore multicast mode transmission is taked for revenue passenger, the program of same channel, no matter have how many user to ask, only send a road audio/video flow, network condition is obviously improved; And for honored guest passenger, then take mode of unicast, to provide better Consumer's Experience, but alternative audio/video file is still little.This mode is subject to the impact that transmission bandwidth is little, far can not meet the demand of current passenger.
Along with the vehicles occurring more data communications equipment, store the data server of passenger institute calling data, such as according to wlan standard, be connected to radio interface, make passenger can by the terminal equipment of oneself, as mobile phone or portable computer (panel computer) connect with data server, improve the experience ridden public transportation means of client to a great extent.
Summary of the invention
The invention provides a kind of based on audio/video file transmission method on the machine of wifi technology, the method is by wifi wireless network, make passenger can through by radio play terminal and aerial video server interconnected, realize Large Copacity video-audio data fast transport, and efficiently convenient and swift.
To achieve these goals, the invention provides a kind of based on audio/video file transmission method on the machine of wifi technology, this comprises the steps:
(1) radio play terminal searches audio/video file server, and sends the request of certification and visit data;
(2) audio/video file server receives and confirms the request of the certification that terminal sends and visit data;
(3) according to described request, search in described cache module and whether there is the corresponding reply data through the process of preset data processing rule;
(4) if there is corresponding described reply data in described cache module, encapsulate to generate response message to described reply data;
(5) described response message is returned to described radio play terminal.
Preferably, before receiving and confirm the visit data request that described terminal sends, described method also comprises:
Receive that described terminal sends about the certification of DTCP DTCP-IP and the information of negotiation, and after certification is passed through, set up the encrypted content transfer passage of DTCP-IP with described terminal; If the audio/video file content of terminal request is shielded content, gateway can receive the certification of the DTCP-IP of self terminal and the information of negotiation; After certification is passed through, both sides set up the encrypted content transfer passage of DTCP-IP; After this, gateway can receive the playing request carrying DTCP protection mark that terminal is sent, according to this playing request, gateway can obtain audio/video file content corresponding to the audio/video file of terminal request from server, and the audio/video file content got is sent to terminal by the encrypted content transfer passage of above-mentioned foundation; Certification is not passed through, and playing request is rejected, and can not enter step below.
Preferably, in S2, adopt portal authentication method accept and confirm the authentication request of terminal, specific as follows:
The Portal authentication request that server receiving terminal sends;
The Redirect Address that described Portal authentication request sends according to IAD by described terminal is sent;
Described Redirect Address comprises address and the uniform resource position mark URL information of Portal server, and described URL information is generated by described public's account platform and comprised parameters for authentication;
Described parameters for authentication comprises user account information parameter, random number, timestamp and the shared parameter between described public's account platform and Portal server;
Described Portal server resolves described parameters for authentication, carries out Portal certification, and returns the authentication result of Portal certification to described terminal.
Preferably, described user account information parameter, described random number, described timestamp and described shared parameter, adopt Advanced Encryption Standard AES256 cipher mode to be encrypted.
Preferably, in step s 4 which, encapsulate to generate response message to described reply data, comprising:
Encapsulate described reply data by default packing rule, generate encapsulation of data;
For described encapsulation of data adds the Http head of the described proxy server of mark, to generate described first response message.
Preferably, what receive that described audio/video file server returns in radio play terminal, also comprises the steps: after packed reply data through the process of preset data processing rule
Obtain the process of described preset data processing rule from described audio/video file server, adopt the process of described preset data processing rule to resolve described reply data.
The present invention has the following advantages and beneficial effect: (1) realizes aerial video-audio data that is quick, magnanimity based on wireless WLAN technology and transmits, and meets the personalized entertainment demand that passenger is aerial; (2) audio/video file server by utilizing cache module carries out buffer memory to through the process of preset data processing rule with the resource data reducing data and take up space in advance, by this cache module, aerial video server can provide reply data directly to client, can significantly improve the speed of client-access; (3) terminal only needs the local area network (LAN) URI corresponding according to the audio/video file that need ask to send playing request, the audio/video file content of needs will be received, user can be facilitated and in various terminal, play all types of audio/video file intuitively, encrypted the problem also solving television content copyright protection by DTCP, make the copyright owners such as content business can safety share charge audio/video file; (4) by portal certification, fail safe and the privacy of entertainment systems is promoted.
Accompanying drawing explanation
Fig. 1 shows the block diagram of audio/video file transmission system on a kind of machine of the present invention.
Fig. 2 shows a kind of based on audio/video file transmission method on the machine of wifi technology.
Embodiment
Fig. 1 shows audio/video file transmission system on a kind of machine of the present invention, and this system comprises:
Aerial video server 1 and radio play terminal 2;
Described aerial video server 1 comprises:
Cache module 12, is suitable for the data that buffer memory takes up space to reduce data through the process of preset data processing rule;
Server receiver module 11, receives the request of the visit data of radio play terminal 2;
Data search module 13, is suitable for calling described cache module, and according to described request, searches in described cache module and whether there is the corresponding reply data through the process of described preset data processing rule;
, there is corresponding described reply data if be suitable in described cache module, encapsulate to generate response message to described reply data in package module 14;
Wireless output module 15, is suitable for described response message to return to described radio play terminal;
Described radio play terminal 2 comprises:
Wireless connections module 21, searches for aerial video server, and sets up wireless connections;
Request module 22, for initiating visit data request to aerial video server
Wireless terminal reception module 23, be suitable for receive described aerial video server return through the process of preset data processing rule and packed reply data;
Parsing module 24, is suitable for obtaining described preset data processing rule from described aerial video server, adopts described preset data processing rule to resolve described reply data;
User interactive module 25, for being carried out showing and playing by the reply data after parsing, and inputs command adapted thereto for user.
Preferably, described server receiver module 11 also has terminal authentication unit, for receiving the Portal authentication request of described radio play terminal 2, the Redirect Address that described Portal authentication request sends according to IAD by described terminal 2 is sent, described Redirect Address comprises uniform resource position mark URL information, and described URL information is generated by described public's account platform and comprised parameters for authentication.
Preferably, described package module 14 also for:
Encapsulate described reply data by default packing rule, generate encapsulation of data;
For described encapsulation of data adds the Http head of the described aerial video server of mark, to generate described response message.
Preferably, described preset data processing rule comprises province's stream mode data processing rule.
Preferably, described province stream mode data processing rule comprises data compression pattern in various degree.
Preferably, described data compression pattern in various degree comprise following one of at least:
The compression of mild compression, moderate compression, severe, white-black pattern, without chart-pattern.
Preferably, described aerial video server 1 also comprises:
Judge module 16, for judging whether described audio/video file content is protected content;
Separate protection module 17, during for judging that at judge module described audio/video file content is protected content, described shielded content being carried out solution protection by preset-key, obtaining audio/video file content clear stream;
Add mark module 18, mark for the copy control information CCI described audio/video file content clear stream being added to DTCP, wherein, described CCI mark comprises to be forbidden copy mark or only copies once marking;
Encryption processing module 18, for doing DTCP encryption to the audio/video file content clear stream of the CCI mark that with the addition of DTCP, obtains DTCP encipherment protection audio/video file content.
Fig. 2 shows of the present invention a kind of based on audio/video file transmission method on the machine of wifi technology.The method specifically comprises the steps:
S1. radio play terminal 2 searches audio/video file server 1, and sends the request of certification and visit data;
S2. audio/video file server 1 receives and confirms the request of the certification that terminal 2 sends and visit data;
S3. according to described request, search in cache module and whether there is the corresponding reply data through the process of preset data processing rule;
If S4. there is corresponding described reply data in described cache module, encapsulate to generate response message to described reply data;
S5. described response message is returned to described radio play terminal 2.
Preferably, before receiving and confirming the visit data request that described terminal 2 sends, described method also comprises:
Receive that described terminal 2 sends about the certification of DTCP DTCP-IP and the information of negotiation, and after certification is passed through, audio/video file server 1 and described terminal 2 set up the encrypted content transfer passage of DTCP-IP; If the audio/video file content that terminal 2 is asked is shielded content, gateway can receive the certification of the DTCP-IP of self terminal 2 and the information of negotiation; After certification is passed through, both sides set up the encrypted content transfer passage of DTCP-IP; After this, gateway can receive the playing request carrying DTCP protection mark that terminal 2 is sent, according to this playing request, gateway can obtain audio/video file content corresponding to the audio/video file of terminal request from server 1, and the audio/video file content got is sent to terminal 2 by the encrypted content transfer passage of above-mentioned foundation; Certification is not passed through, and playing request is rejected, and can not enter step below.
Preferably, in S2, adopt portal authentication method accept and confirm the authentication request of terminal 2, specific as follows:
The Portal authentication request that server 1 receiving terminal sends;
The Redirect Address that described Portal authentication request sends according to IAD by described terminal is sent;
Described Redirect Address comprises address and the uniform resource position mark URL information of Portal server, and described URL information is generated by described public's account platform and comprised parameters for authentication;
Described parameters for authentication comprises user account information parameter, random number, timestamp and the shared parameter between described public's account platform and Portal server;
Described Portal server resolves described parameters for authentication, carries out Portal certification, and returns the authentication result of Portal certification to described terminal 2.
Preferably, described user account information parameter, described random number, described timestamp and described shared parameter, adopt Advanced Encryption Standard AES256 cipher mode to be encrypted.
Preferably, in step s 4 which, encapsulate to generate response message to described reply data, comprising:
Encapsulate described reply data by default packing rule, generate encapsulation of data;
For described encapsulation of data adds the Http head of the described proxy server of mark, to generate described first response message.
Preferably, what receive that described audio/video file server returns in radio play terminal 2, also comprises the steps: after packed reply data through the process of preset data processing rule
Obtain the process of described preset data processing rule from described audio/video file server 1, adopt the process of described preset data processing rule to resolve described reply data.
Preferably, after radio play terminal connects the content of the audio/video file that 2 receipts send according to described transmission request from server, described method also comprises:
Judge whether described audio/video file content is protected content;
When described audio/video file content is protected content, described shielded content is carried out solution protection by preset-key, obtain audio/video file content clear stream;
The copy control information CCI described audio/video file content clear stream being added to DTCP marks, and wherein, described CCI mark comprises to be forbidden copy mark or only copy once marking;
DTCP encryption is done to the audio/video file content clear stream of the CCI mark that with the addition of DTCP, obtains DTCP encipherment protection audio/video file content.
If the playing request that gateway receives carries DTCP protection mark; then the audio/video file of terminal request is shielded audio/video file; the audio/video file content that gateway is corresponding to this audio/video file got does the process of DTCP encipherment protection, after process, then sends to terminal.If user has been purchased from content and has bought mandate, then gateway can obtain the user key watching protected audio/video file.Gateway uses the shielded content of double secret key to carry out solution protection, obtains audio/video file content clear stream.According to user's request, gateway adds DTCP content protecting mark CCI to audio/video file content clear stream.Such as, user asks to play this program, and content clear stream marks: forbid copy; User asks to record this program, and content clear stream marks: only copy once.As cellphone subscriber asks to play charge program, audio/video file content is shielded through encryption.After user buys the mandate of broadcasting, gateway can the key solution of use authority protect this audio/video file content to be audio/video file content clear stream.According to request or the purchase authorization conditions of user; the mark adding CCI in this audio/video file content clear stream " forbids copy "; then gateway does DTCP encryption to the content that with the addition of DTCP content protecting mark CCI, forms DTCP encipherment protection content, sends to terminal by encrypted tunnel.
As mentioned above, although the embodiment limited according to embodiment and accompanying drawing are illustrated, various amendment and distortion can be carried out from above-mentioned record concerning the technical staff that the art has a general knowledge.Such as, carry out according to the order mutually different from method illustrated in the technology illustrated, and/or carry out combining or combining according to the form mutually different from the method illustrated by the inscape such as system, structure, device, circuit illustrated, or carry out replacing or replacing also can reaching suitable effect according to other inscapes or equipollent.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, make some equivalent to substitute or obvious modification, and performance or purposes identical, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1., based on an audio/video file transmission method on the machine of wifi technology, this comprises the steps:
(1) radio play terminal searches audio/video file server, and sends the request of certification and visit data;
(2) audio/video file server receives and confirms the request of the certification that terminal sends and visit data;
(3) according to described request, search in cache module and whether there is the corresponding reply data through the process of preset data processing rule;
(4) if there is corresponding described reply data in described cache module, encapsulate to generate response message to described reply data;
(5) described response message is returned to described radio play terminal.
2. the method for claim 1, is characterized in that, before receiving and confirm the visit data request that described terminal sends, described method also comprises:
Receive that described terminal sends about the certification of DTCP DTCP-IP and the information of negotiation, and after certification is passed through, set up the encrypted content transfer passage of DTCP-IP with described terminal; If the audio/video file content of terminal request is shielded content, gateway can receive the certification of the DTCP-IP of self terminal and the information of negotiation; After certification is passed through, both sides set up the encrypted content transfer passage of DTCP-IP; After this, gateway can receive the playing request carrying DTCP protection mark that terminal is sent, according to this playing request, gateway can obtain audio/video file content corresponding to the audio/video file of terminal request from server, and the audio/video file content got is sent to terminal by the encrypted content transfer passage of above-mentioned foundation; Certification is not passed through, and playing request is rejected, and can not enter step below.
3. the method for claim 1, is characterized in that, adopts portal authentication method to accept and confirm the authentication request of terminal in S2, specific as follows:
The Portal authentication request that server receiving terminal sends;
The Redirect Address that described Portal authentication request sends according to IAD by described terminal is sent;
Described Redirect Address comprises address and the uniform resource position mark URL information of Portal server, and described URL information is generated by described public's account platform and comprised parameters for authentication;
Described parameters for authentication comprises user account information parameter, random number, timestamp and the shared parameter between described public's account platform and Portal server;
Described Portal server resolves described parameters for authentication, carries out Portal certification, and returns the authentication result of Portal certification to described terminal.
4. method as claimed in claim 3, is characterized in that, described user account information parameter, described random number, described timestamp and described shared parameter, adopts Advanced Encryption Standard AES256 cipher mode to be encrypted.
5. the method for claim 1, is characterized in that, in step s 4 which, encapsulates to generate response message, comprising described reply data:
Encapsulate described reply data by default packing rule, generate encapsulation of data;
For described encapsulation of data adds the Http head of the described proxy server of mark, to generate described first response message.
6. the method for claim 1, is characterized in that, what receive that described audio/video file server returns in radio play terminal, also comprises the steps: after packed reply data through the process of preset data processing rule
Obtain the process of described preset data processing rule from described audio/video file server, adopt the process of described preset data processing rule to resolve described reply data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982001.5A CN105516761A (en) | 2015-12-24 | 2015-12-24 | Onboard audio and video file propagation method based on wifi technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982001.5A CN105516761A (en) | 2015-12-24 | 2015-12-24 | Onboard audio and video file propagation method based on wifi technology |
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| CN105516761A true CN105516761A (en) | 2016-04-20 |
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| CN201510982001.5A Pending CN105516761A (en) | 2015-12-24 | 2015-12-24 | Onboard audio and video file propagation method based on wifi technology |
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| CN1286443A (en) * | 1999-08-28 | 2001-03-07 | Lg情报通信株式会社 | Wireless internet service method in gateway system |
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Application publication date: 20160420 |