CN101924912B - Method for wirelessly downloading large-capacity video files and remotely controlling playing of video files - Google Patents
Method for wirelessly downloading large-capacity video files and remotely controlling playing of video files Download PDFInfo
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Abstract
The invention discloses a method for wirelessly downloading large-capacity video files and remotely controlling the playing of the video files. The video files of a system user terminal are uploaded to a remote server through the Internet, and the system user terminal arranges the playing modes of the video files of the remote server through the Internet; the remote server transmits a program list and a file list after the arrangement of the video files to vehicle-mounted terminals of specific vehicles through a wireless communication network, and simultaneously transmits the video files to various wireless local area networks through the Internet; the vehicle-mounted terminals download the video files from the nearby wireless local area network by utilizing the file list, and simultaneously control the playing of the video files by utilizing the program list so as to realize the wireless downloading of the large-capacity video files; meanwhile, the uniform playing control is carried out on the video files in the remote server, so the diversity of playing modes of the video files, particularly advertisements is realized, and different requirements of customers can be met.
Description
Technical field
The present invention relates to the method that a kind of video file is downloaded and video file is play, particularly relate to the method that a kind of large-capacity video files wireless downloading and Long-distance Control video file are play.
Background technology
Adopt LCD to shield to come playing video file; In some stationary applica-tions is quotidian; Such as in these places such as waiting room, the bank savings Room or market AT STATION, the LCD screen of a lot of such playing video files is just arranged, through LCD screen broadcast program; Can let the consumer in boring wait, eliminate gloomy mood on the one hand, also a good ad distribution place is provided on the other hand for businessman.These video files of being play can be film, TV play, science and education program, also can be that advertisement is such as ordinary video advertisement, picture-text advertisement, screen advertisement, fixed point advertisement, head advertisement or run-out advertisement etc.Along with increasing LCD screen is installed in such as on some MOVING STRUCTUREs such as taxi, bus or coach, the passenger on the MOVING STRUCTURE also obtains various information through vehicle-mounted LCD screen more and more, in fact; For the passenger, the process of taking MOVING STRUCTURE is with respect to being more uninteresting at fixed-site, and during this time the passenger is very strong to the ability to accept of the information that provides; And be ready to receive; Through LCD screen playing advertisements, its effect is extraordinary, also Just because of this in this occasion; More present producers good this part market very, this part market must be done bigger and bigger.But the technical bottleneck of restricting market development at present is: the broadcast form of the renewal of program source and advertisement; The update method that adopts on the market now is: the personnel scene is stored into program to be play on the playback equipment of taxi, bus or coach through physical equipment in advance; The renewal of program is very untimely; A common program is that unit upgrades with the moon or season; And to finish the mobile device update all that is distributed in zones of different; The man power and material who is spent is huge, and requirement is very high to real-time in some advertisements in reality, and this can not satisfy the demand in market far away; In addition; The broadcast form of advertisement is too single; Can not satisfy the demand of different groups, advertising results are not too obvious, if can just in time play this advertisement (fixed point advertisement) such as vehicle during through a shops; What advertising effect will be very so is good, and existing broadcast mode still can not carry out such control.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; The method that provides a kind of large-capacity video files wireless downloading and Long-distance Control video file to play; On the one hand; Be the wireless downloading that realizes large-capacity video files through WLAN, and in the transmission course of wireless downloading video file, adopt strict encryption mechanism to guarantee the safe transmission of video file; On the other hand, be to control the broadcast that ride carries out video file through the programme form, system user can be made things convenient for, confirm broadcast form, reproduction time, the broadcast vehicle of advertisement intuitively, thereby realized Long-distance Control the video file broadcast.
The technical solution adopted for the present invention to solve the technical problems is: the method that a kind of large-capacity video files wireless downloading and Long-distance Control video file are play comprises the steps:
A. system user terminal is landed far-end server through the Internet, establishes a communications link through the Internet between system user terminal and the far-end server;
B. system user terminal operation far-end server is the operation interface that is used for the uploaded videos file that system user provides, and said video file is uploaded to far-end server through the Internet; Far-end server is stored in said video file in the data designated storehouse;
C. far-end server provides an interface that is used for designated vehicle is play said video file attribute to system user terminal, goes out specific gear interface so that far-end server can be provided with information generating according to this;
D. far-end server carries out encryption according to the key of audit server for saving to said video file, and the video file after will encrypting is stored in the corresponding database;
E. far-end server is calculated according to the said length gauge that information and said video file are set and is adopted specific broadcast form to play the duration of said video file;
F. far-end server provides one to be used for the gear interface that layout plays said video file to system user terminal, so that system user can enter said video file in the corresponding broadcast working days according to the duration of playing this video file;
G. far-end server generates the selection at gear interface according to system user and can be used for controlling car-mounted terminal and carry out video file programme of playing and the listed files that can be used for downloading said video file;
H. far-end server will be the video file through after the encryption of gear from the database of correspondence, access, and through being handed down to WLAN in the Internet; Simultaneously, far-end server is handed down to said effective programme and effective listed files the car-mounted terminal of designated vehicle through cordless communication network;
I. the car-mounted terminal of designated vehicle is downloaded said video file information according to listed files through wireless aps from WLAN nearby; And the state information after will downloading successfully is uploaded to far-end server through cordless communication network; Far-end server regenerates a new effective listed files according to download state; Be issued to said car-mounted terminal to listed files once more; Said car-mounted terminal carries out the download of video file information again according to new effective listed files, download until all programs to finish;
J. the said car-mounted terminal utilization key identical with being uploaded to far-end server carries out decryption processing to the encrypted video file of downloading, and according to the broadcast form of programme video file sent to vehicle-mounted LCD screen and play.
The present invention is the method that a kind of large-capacity video files wireless downloading and Long-distance Control video file are play; Be to control vehicle-mounted LCD screen according to different broadcast strategy playing video files by long-range; Video file can be film, TV play, science and education program; Also can be that advertisement is such as ordinary video advertisement, picture-text advertisement, screen advertisement, fixed point advertisement, head advertisement or run-out advertisement etc.; And the mode to these large-capacity video files employing wireless downloading is handed down to WLAN by far-end server earlier, is downloaded from WLAN nearby by car-mounted terminal again; Playing in form, is to system user terminal the gear information of various advertisements to be provided by far-end server, controls different classes of advertisement and plays according to different forms: such as, regular price-line advertising can be according to the priority level loop play; Picture-text advertisement is playing pictures, literal and sound simultaneously; Screen advertisement can be according to the time period broadcast literal that rolls; The fixed point advertisement can be in belonging to the effective range that GPS orders, to play; Head, run-out advertisement are then play when beginning and end respectively; In the video file transmission course, then adopt strict encryption mechanism to guarantee the safe transmission of video file; Introduce the broadcast that the notion of programme is come the control of video file in addition, can reduce wireless communications traffic; This method can satisfy different customer groups' demand, can the unified management function be provided to the particularly various types of advertisements of video file.
The method that a kind of large-capacity video files wireless downloading of the present invention and Long-distance Control video file are play in step C, relates to the information that is provided with of carrying out the broadcast mode layout, and the information of setting includes main information and supplementary; Main information is meant the priority of the title of the video file of being play, the time cycle of playing this video file, this video file, the vehicle number of preparatory playing video file and the type of video file etc.; Supplementary then is primarily aimed at advertisement editing and adopts, such as: the broadcast GPS dot information of the necessary given ad of fixed point advertisement and this radius; Screen advertisement need be specified concrete time, the form of broadcast, the word content of broadcast; Picture-text advertisement needs background picture, the background sound of given ad and the form of Word message that shows above the picture and literal; These supplementarys are the concrete broadcast strategies that are used for filing advertisement, therefore, must carry out association store with advertisement.
The present invention is the method that a kind of large-capacity video files wireless downloading and Long-distance Control video file are play, and in step F, system user can carry out gear according to the gear interface to be handled, and different video file forms, its gear mode also is not quite similar.Such as; The video file of forms such as ordinary video advertisement and film is carried out gear when handling; Be that to demonstrate one be the gear interface of range of choice with the playback period of treating the gear advertisement; This gear interface demonstrates the not gear information of same date of different grouping to divide into groups and the date is coordinate in length and breadth, and each unit is called the working days unit; The state information of gear that from its database, is accessed by far-end server is filled in the pairing gear unit, said gear interface, on the gear unit, demonstrates the high priority number and the normal priority advertisement number of having arranged this unit respectively; Also comprise the gear situation of checking the grouping in different intervals through the time interval of revising the gear advertisement in addition; And further, comprise that also to the processing of making amendment of the gear of existing advertisement, there are three kinds of states a gear unit, does not promptly choose, chooses, cancels; These three kinds of states can be changed through click in described gear interface each other, click unchecked gear unit and can go to not selected state, and the gear unit of clicking selected state can transfer the cancellation state to; From its database, access the gear situation in the selected time period of selected grouping by remote server, fill corresponding gear unit with this situation; The terminal use can change corresponding working days unit, and far-end server receives user's modification, regenerates a new programme then.To need its working days must be continuous for the gear of fixed point advertisement; But far-end server receives the user passes through the selection of the gear interface of system user terminal to gear date and grouping; Whether match with the broadcast of fixed point advertisement appointment the Start Date of judging its selection Start Date, if misfit the attribute that needs to revise the fixed point advertisement.Need the broadcast of given ad to divide into groups for screen advertisement, the broadcast strategy of screen advertisement can be stored in promotional literature inside; Need obtain to treat the effective screen advertisement of gear grouping from far-end server, generate a unified file to all effective screen advertisements of this grouping so that transmit with car-mounted terminal; If this grouping does not have advertisement, to relevant state notifying car-mounted terminal be set at far-end server so.
The present invention is the method that a kind of large-capacity video files wireless downloading and Long-distance Control video file are play; Far-end server need carry out encryption to video file; Car-mounted terminal has a key, and far-end server has an identical key, and far-end server utilizes key that video file is carried out encryption; What make link transmission is enciphered data, thereby can guarantee the secure download of file content.Because thereby password is difficult to crack the safety that has also guaranteed ad content.Generate programme at far-end server behind the advertisement gear of encrypting, the programme content includes nearest 6 days ad playing tabulation, the priority of advertisement and the classification of advertisement; Remote server can upgrade programme every day automatically.
The invention has the beneficial effects as follows, owing to adopted the Internet that the video file of system user terminal is uploaded to far-end server, and through the Internet broadcast mode of the video file of far-end server is carried out gear by system user terminal; Far-end server is generated after with the video file gear can be used for controlling car-mounted terminal and carry out programme that video file plays and the listed files that can be used for downloading said video file are handed down to designated vehicle through cordless communication network car-mounted terminal; Simultaneously, far-end server is handed down to each WLAN with said video file through the Internet; Car-mounted terminal then utilizes listed files foradownloaded video file from WLAN nearby; Simultaneously; Car-mounted terminal utilizes programme to control the broadcast of said video file, makes it possible in far-end server, and unified (can be film, TV play, science and education program to video file; Also can be that advertisement is such as ordinary video advertisement, picture-text advertisement, screen advertisement, fixed point advertisement, head advertisement or run-out advertisement etc.) carry out integrated management; And can realize they are distinguished gear, realized the particularly diversity of ad playing form of video file, can satisfy different requirements of customers.Owing to adopted WLAN that video file is upgraded, the process of renewal is accomplished automatically, has both saved great amount of manpower and material resources, and the demand of client to the advertisement real-time satisfied in particularly advertisement of more new video files that again can be more real-time.Owing to adopted in far-end server video file carried out encryption; By far-end server the video file of encrypting is handed down to WLAN then; Download from WLAN by car-mounted terminal; Play after deciphering by car-mounted terminal again, thereby make video file safe and reliable in the process of transmission, prevent artificial destruction.Because whole system has been introduced the notion of programme, can farthest reduce the download of program, thereby reduce wireless communications traffic greatly.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain; But the method that a kind of large-capacity video files wireless downloading of the present invention and Long-distance Control video file are play is not limited to embodiment.
Description of drawings
Fig. 1 is a system architecture sketch map of realizing the inventive method;
Fig. 2 is a main flow chart of realizing the inventive method;
Fig. 3 is the flow chart of gear fixed point advertisement;
Fig. 4 is the flow chart of advertisement encryption and decryption processing procedure.
Embodiment
Fig. 1 is a system architecture sketch map of realizing the inventive method;
This system architecture comprises far-end server 1, WLAN 2, system user terminal 3 and vehicle mobile equipment 4; Realize transfer of data through the Internet between system user terminal 3 and the far-end server 1; Realize transfer of data through the Internet between far-end server 1 and the WLAN 2; Realize transfer of data through cordless communication network such as GPRS network between far-end server 1 and the vehicle mobile equipment 4; Realize transfer of data through wireless aps between vehicle mobile equipment 4 and the WLAN 2;
The remote center that far-end server 1 is equivalent to set up mainly includes service server 11, Service Component 12, audit server 13, the communication server 14, Service Database 15 and audit database 16;
WLAN 2 mainly includes file distributing device 21 and distributor assembly 22;
System user terminal 3 can include three kinds, and a kind of providing used to the business personnel; Another kind provides and uses to the client; Another provides uses to the auditor;
Vehicle mobile equipment 4 mainly includes car-mounted terminal 41 and vehicle-mounted LCD screen 42;
Service server 11 is three-tier architectures that comprise presentation layer, operation layer and data Layer, is a video ads management system based on the various ways of B/S pattern; Service server 11 is respectively the client and the business personnel provides the different operation page, provide the operation video file such as the uploading of advertisement, application, gear, check, the interface of statistics etc.; Can be business personnel's specified right, make it only can to operate the module of vehicle mobile equipment 4 appointments of appointment; Service server 11 sends to pending programme content from audit server 13, and obtains the auditing result of file from audit server 13; Examine server 13 in addition and carry out mutual communicating by letter, can obtain the real-time download state of file of the communication server 14 with Service Component 12;
The Frame that the vehicle mobile equipment 4 that the Service Component 12 acquisition communication servers 14 are transmitted is uploaded in real time; The content of parse for frame is saved in relevant data in the Service Database 15; And from Service Database 15, obtain corresponding reply data, and send to the communication server 14 to reply data composition corresponding format frame; Simultaneously, can also intercom mutually, obtain the attribute of file, and return the real-time download state of the communication server 14 with service server 11;
Audit server 13 mainly is used for preserving the file of uploading from service server 11, and the content of file is examined, and the file that audit is passed through is encrypted; The auditor can upload the key of vehicle mobile equipment 4 through audit server 13; Audit server 13 also is a system based on the B/S framework, and the audit interface mainly is provided, log statistic and upload function such as key;
The communication server 14 communicates through the file distributing device assembly 22 in the Internet and the WLAN; The main responsible protocol data that file distributing device assembly 22 is uploaded that receives; And give Service Component 12 relevant data forwarding; If file is arranged in addition to be downloaded; Realize carrying out the transmission of file content with file distributing device assembly 22, because the communication server 14 is relations of one-to-many with file distributing device assembly 22, so the communication server 14 need be safeguarded the state of each file distributing device 22; When vehicle mobile equipment 4 was in outside the WLAN, vehicle mobile equipment 4 was directly connected to the communication server 14, so the communication server 14 also need be safeguarded the Link State of vehicle mobile equipment 4;
Service Database 15 mainly is used for depositing the data of service server 11;
Audit database 16 mainly is used for depositing the data of audit server 13;
The client can login to service server 11, the broadcast situation that can check advertisement, but can not revise any information of advertisement;
The business personnel can login to service server 11, can realize the operations such as arrangement of the writing of the uploading of each series advertisements, order, working days;
The auditor can land audit server 13, can examine, upload operations such as ride key to advertisement;
File distributing device 21 mainly is when vehicle sails WLAN into and vehicle mobile equipment 4 communicates, and the agreement of uploading vehicle mobile equipment 4 is transmitted to file distributing device assembly 22, be responsible for simultaneously and vehicle mobile equipment 4 between carry out file transfer; File distributing device 21 need be safeguarded the Link State of vehicle mobile equipment 4, needs the maintenance documentation tabulation simultaneously;
Distributor assembly 22 is main to carry out data interaction with the communication server 14, is responsible for the data that forwarding vehicle mobile equipment 4 is uploaded, and is transmitted to file distributing device 21 to the reply data of the communication server 14;
The car-mounted terminal 41 of vehicle mobile equipment 4 mainly is used for depositing program, carries out the broadcast of different modes according to different program categories;
The vehicle-mounted LCD screen 42 of vehicle mobile equipment 4 mainly is to be used for playing advertisements.
Referring to shown in Figure 2, the method that a kind of large-capacity video files wireless downloading of the present invention and Long-distance Control video file are play comprises the steps:
Steps A. system user terminal 3 is landed far-end server 1 through the Internet, establishes a communications link through the Internet between system user terminal 3 and the far-end server 1; Shown in Fig. 2 center 201;
Step B. system user terminal 3 operation far-end servers 1 are uploaded to far-end server 1 with said video file through the Internet for the operation interface that is used for the uploaded videos file that system user provides; Far-end server 1 is stored in said video file in the data designated storehouse 15; Shown in Fig. 2 center 202;
Step C. far-end server 1 provides an interface that is used for designated vehicle is play said video file attribute to system user terminal 3, goes out specific gear interface so that far-end server 1 can be provided with information generating according to this; Shown in Fig. 2 center 203;
The information of setting includes main information and supplementary; Main information is meant the priority of the title of the video file of being play, the time cycle of playing this video file, this video file, the vehicle number of preparatory playing video file and the type of video file etc.; Supplementary then is primarily aimed at advertisement editing and adopts, such as: the broadcast GPS dot information of the necessary given ad of fixed point advertisement and this radius; Screen advertisement need be specified concrete time, the form of broadcast, the word content of broadcast; Picture-text advertisement needs background picture, the background sound of given ad and the form of Word message that shows above the picture and literal; These supplementarys are the concrete broadcast strategies that are used for filing advertisement, therefore, must carry out association store with advertisement;
The key that step D. far-end server 1 is preserved according to audit server 13 carries out encryption to said video file, and the database that the video file after will encrypting is stored in correspondence is promptly examined in the database 16; Shown in Fig. 2 center 204;
Step e. far-end server 1 is calculated according to the said length gauge that information and said video file are set and is adopted specific broadcast form to play the duration of said video file; Shown in Fig. 2 center 205;
Step F. far-end server 1 provides one to be used for the gear interface that layout plays said video file to system user terminal 3, so that system user can enter said video file in the corresponding broadcast working days according to the duration of playing this video file; Shown in Fig. 2 center 206;
Step G. far-end server 1 generates the selection at gear interface according to system user and can be used for controlling car-mounted terminal and carry out programme (being the control command of specific broadcast form) that video file plays and the listed files that can be used for downloading said video file; Shown in Fig. 2 center 207;
Step H. far-end server 1 video file through after the encryption of gear is promptly examined from the database of correspondence and is accessed the database 16, and through being handed down to WLAN 2 in the Internet; Simultaneously, far-end server 1 is handed down to said effective programme and effective listed files the car-mounted terminal 41 of designated vehicle through cordless communication network; Shown in Fig. 2 center 208;
The car-mounted terminal 41 of step I. designated vehicle is downloaded said video file information according to listed files through wireless aps from WLAN 2 nearby; And the state information after will downloading successfully is uploaded to far-end server 1 through cordless communication network; Far-end server 1 regenerates a new effective listed files according to download state; Be issued to said car-mounted terminal 41 to listed files once more; Said car-mounted terminal 41 carries out the download of video file information again according to new effective listed files, download until all programs to finish; Shown in Fig. 2 center 209;
The said car-mounted terminal of step J. 41 utilizes and is uploaded to far-end server 1 identical key the encrypted video file of downloading is carried out decryption processing, and according to the broadcast form of programme video file is sent to vehicle-mounted LCD and shield 42 and play; Shown in Fig. 2 center 210.
The method that a kind of large-capacity video files wireless downloading of the present invention and Long-distance Control video file are play; Be to control vehicle-mounted LCD screen according to different broadcast strategy playing video files by long-range; Video file can be film, TV play, science and education program; Also can be that advertisement is such as ordinary video advertisement, picture-text advertisement, screen advertisement, fixed point advertisement, head advertisement or run-out advertisement etc.; And the mode to these large-capacity video files employing wireless downloading is handed down to WLAN 2 by far-end server 1 earlier, is downloaded from WLAN 2 nearby by car-mounted terminal 41 again; Playing in form, is to system user terminal 3 the gear information of various advertisements to be provided by far-end server 1, controls different classes of advertisement and plays according to different forms: such as, regular price-line advertising can be according to the priority level loop play; Picture-text advertisement is playing pictures, literal and sound simultaneously; Screen advertisement can be according to the time period broadcast literal that rolls; The fixed point advertisement can be in belonging to the effective range that GPS orders, to play; Head, run-out advertisement are then play when beginning and end respectively; In the video file transmission course, then adopt strict encryption mechanism to guarantee the safe transmission of video file; Introduce the broadcast that the notion of programme is come the control of video file in addition, can reduce wireless communications traffic; This method can satisfy different customer groups' demand, can the unified management function be provided to the particularly various types of advertisements of video file.
The method that a kind of large-capacity video files wireless downloading of the present invention and Long-distance Control video file are play, in step F, system user can carry out gear according to the gear interface to be handled, and different video file forms, its gear mode also is not quite similar.Such as; The video file of forms such as ordinary video advertisement and film is carried out gear when handling; Be that to demonstrate one be the gear interface of range of choice with the playback period of treating the gear advertisement; This gear interface demonstrates the not gear information of same date of different grouping to divide into groups and the date is coordinate in length and breadth, and each unit is called the working days unit; The state information of gear that from its database, is accessed by far-end server is filled in the pairing gear unit, said gear interface, on the gear unit, demonstrates the high priority number and the normal priority advertisement number of having arranged this unit respectively; Also comprise the gear situation of checking the grouping in different intervals through the time interval of revising the gear advertisement in addition; And further, comprise that also to the processing of making amendment of the gear of existing advertisement, there are three kinds of states a gear unit, does not promptly choose, chooses, cancels; These three kinds of states can be changed through click in described gear interface each other, click unchecked gear unit and can go to not selected state, and the gear unit of clicking selected state can transfer the cancellation state to; From its database, access the gear situation in the selected time period of selected grouping by remote server, fill corresponding gear unit with this situation; The terminal use can change corresponding working days unit, and far-end server receives user's modification, regenerates a new programme then.To need its working days must be continuous for the gear of fixed point advertisement; But far-end server receives the user passes through the selection of the gear interface of system user terminal to gear date and grouping; Whether match with the broadcast of fixed point advertisement appointment the Start Date of judging its selection Start Date, if misfit the attribute that needs to revise the fixed point advertisement.Need the broadcast of given ad to divide into groups for screen advertisement, the broadcast strategy of screen advertisement can be stored in promotional literature inside; Need obtain to treat the effective screen advertisement of gear grouping from far-end server, generate a unified file to all effective screen advertisements of this grouping so that transmit with car-mounted terminal; If this grouping does not have advertisement, to relevant state notifying car-mounted terminal be set at far-end server so.
Fig. 3 is the flow chart of gear fixed point advertisement; The process that its gear is handled comprises the steps:
Step F 1. is judged to be to new advertisement gear or the working days to be carried out in the advertisement of gear revise, and changes step F 7 if judged result is carried out gear to new advertisement, otherwise continues next step; Shown in Fig. 3 center 301;
Whether the zero-time that step F 2. gears are checked was early than the same day, if judged result then continues next step, otherwise changeed step F 4; Shown in Fig. 3 center 302;
The play start time whether zero-time that step F 3. gears are checked is provided with early than advertisement if judged result is then changeed step F 5, otherwise continues next step; Shown in Fig. 3 center 303;
The zero-time that step F 4. gears are checked is set to today; Shown in Fig. 3 center 304;
The zero-time that step F 5. gears are checked is set to the play start time that advertisement is provided with; Shown in Fig. 3 center 305;
Step F 6. is provided with the concluding time that gear is checked, this concluding time is greater than the zero-time one day that gear checks at least, then changes step F 9; Shown in Fig. 3 center 306;
Step F 7. gears check that zero-time is set to reproduction time; Shown in Fig. 3 center 307;
Step F 8. is provided with the concluding time that gear is checked the time, and this concluding time is greater than zero-time, otherwise is set to zero-time one day after; Shown in Fig. 3 center 308;
Step F 9. far-end servers are checked the gear situation that zero-time and concluding time acquisition are divided into groups according to the final gear that is provided with, and fill the content of working days unit with this result; Shown in Fig. 3 center 309;
Step F 10. can be that unit is operated with the sky to the working days unit, and can only select continuous sky, otherwise system can fill the working days table of fate at interval automatically; Shown in Fig. 3 center 310;
Step F 11. far-end servers obtain the gear result, and preservation information regenerates new gear situation and fills the content of working days unit; Shown in Fig. 3 center 311.
The method that a kind of large-capacity video files wireless downloading of the present invention and Long-distance Control video file are play; Far-end server 1 need carry out encryption to video file; Car-mounted terminal 41 has a key, and far-end server 1 has an identical key, and far-end server 1 utilizes key that video file is carried out encryption; What make link transmission is enciphered data, thereby can guarantee the secure download of file content.Because thereby password is difficult to crack the safety that has also guaranteed ad content.Generate programme at far-end server 1 behind the advertisement gear of encrypting, the programme content includes nearest 6 days ad playing tabulation, the priority of advertisement and the classification of advertisement; Remote server can upgrade programme every day automatically.
Fig. 4 is the flow chart of advertisement encryption and decryption processing procedure; This encryption and decryption processing procedure comprises the steps:
Step K 1. is set up writing to each other between car-mounted terminal 41 and the far-end server 1; Far-end server 1 obtains ride ID that car-mounted terminal 41 uploads through cordless communication network and corresponding to the key of this ride ID, audit server 13 is stored in this ride ID in the audit database 16 with corresponding key; Shown in Fig. 4 center 401;
The service server 11 of step K 2. far-end servers 1 is accepted the ad content of being uploaded by system user terminal 3 and is generated corresponding advertisement ID, and service server 11 passes to described ad content and advertisement ID in the audit server 13; Shown in Fig. 4 center 402;
The auditor of step K 3. using system user terminals 3 examines the ad content of audit server 13 through the Internet, and audit server 13 calculates advertisement MD5 in ad review through the back; Shown in Fig. 4 center 403;
Step K 4. audit servers 13 are saved in advertisement MD5 value and advertisement ID in the audit database 16; Shown in Fig. 4 center 404;
The audit server 13 of step K 5. far-end servers obtains ride ID and the advertisement ID that is asked, and judges whether to forbid this ride download, if judged result is then changeed step K 11, otherwise continues next step; Shown in Fig. 4 center 405;
The audit server 13 of step K 6. far-end servers judges in the audit database 16 whether ride ID is arranged, if judged result then continues next step; Otherwise this ride is illegal ride, changes step K 11; Shown in Fig. 4 center 406;
The audit server 13 of step K 7. far-end servers judges in the audit database 16 whether advertisement ID is arranged, if judged result then continues next step; Otherwise be illegal advertisement, change step K 11; Shown in Fig. 4 center 407;
The audit server 13 of step K 8. far-end servers judges whether the MD5 of advertisement exists, if judged result then continues next step; Otherwise change step K 11; Shown in Fig. 4 center 408;
The audit server 13 usefulness ride ID and the MD5 of step K 9. far-end servers encrypt, and send to the car-mounted terminal 41 of this ride ID to corresponding key; Shown in Fig. 4 center 409;
Step K 10. car-mounted terminals 41 downloads ad contents, download utilizes key to carry out decryption processing after accomplishing; The verification password, if the password mistake sends to the center to correlation behavior, if surpass the errors number of appointment, far-end server is forbidden car-mounted terminal 41 downloads; Shown in Fig. 4 center 410;
Step K 11. far-end servers 1 send the instruction of forbidding that car-mounted terminal 41 is downloaded; Shown in Fig. 4 center 411;
Step K 12. far-end servers 1 send successful respond and give car-mounted terminal 41; Shown in Fig. 4 center 412.
The foregoing description only is used for further specifying the method for a kind of large-capacity video files wireless downloading of the present invention and the broadcast of Long-distance Control video file; But the present invention is not limited to embodiment; Every foundation technical spirit of the present invention all falls in the protection range of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (1)
1. the method play of large-capacity video files wireless downloading and Long-distance Control video file is characterized in that: comprise the steps:
A. system user terminal is landed far-end server through the Internet, establishes a communications link through the Internet between system user terminal and the far-end server;
B. system user terminal operation far-end server is the operation interface that is used for the uploaded videos file that system user provides, and said video file is uploaded to far-end server through the Internet; Far-end server is stored in said video file in the data designated storehouse;
C. far-end server provides an interface that is used for designated vehicle is play the attribute of said video file to system user terminal, so that far-end server can go out specific gear interface according to the information generating that is provided with of the attribute of this video file;
D. far-end server carries out encryption according to the key of audit server for saving to said video file, and the video file after will encrypting is stored in the corresponding database;
E. far-end server is calculated the duration that the specific broadcast form of employing is play said video file according to the information that is provided with of the attribute of said video file and the length gauge of said video file;
F. far-end server provides one to be used for the gear interface that layout plays said video file to system user terminal, so that system user can enter said video file in the corresponding broadcast working days according to the duration of playing this video file;
G. far-end server generates the selection at gear interface according to system user and can be used for controlling car-mounted terminal and carry out video file programme of playing and the listed files that can be used for downloading said video file;
H. far-end server will be the video file through after the encryption of gear from the database of correspondence, access, and through being handed down to WLAN in the Internet; Simultaneously, far-end server can be used for controlling car-mounted terminal and carries out programme that video file plays and the listed files that can be used for downloading said video file are handed down to designated vehicle through cordless communication network car-mounted terminal said;
I. the car-mounted terminal of designated vehicle is downloaded said video file information according to listed files through wireless aps from WLAN nearby; And the state information after will downloading successfully is uploaded to far-end server through cordless communication network; Far-end server regenerates a new effective listed files according to download state; Be issued to said car-mounted terminal to listed files once more; Said car-mounted terminal carries out the download of video file information again according to new effective listed files, download until all programs to finish;
J. the said car-mounted terminal utilization key identical with being uploaded to far-end server carries out decryption processing to the encrypted video file of downloading, and according to the broadcast form of programme video file sent to vehicle-mounted LCD screen and play.
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| DE102011109917B3 (en) * | 2011-08-10 | 2012-10-25 | Audi Ag | A method for providing a signal output based on a main file and at least one secondary file, and vehicle |
| CN103108013B (en) * | 2011-11-15 | 2016-05-18 | 中国联合网络通信集团有限公司 | Based on vehicle-mounted audio frequency and video player method and the cloud computing center of cloud service |
| CN103856510A (en) * | 2012-11-30 | 2014-06-11 | 北京智慧风云科技有限公司 | Vehicle-mounted audio and video file sharing system and method |
| CN104243446A (en) * | 2014-07-21 | 2014-12-24 | 巴士在线科技有限公司 | Vehicle-mounted game interaction system and vehicle-mounted terminal |
| CN104296771B (en) * | 2014-10-14 | 2017-11-24 | 广东翼卡车联网服务有限公司 | Vehicle mounted guidance client intercuts the method and system of prompt message |
| CN104469435B (en) * | 2014-12-22 | 2017-10-03 | 上海奉先电子科技有限公司 | Advertisement auto transmission method, server and advertisement broadcast method, terminal |
| CN104469484A (en) * | 2014-12-30 | 2015-03-25 | 广州视睿电子科技有限公司 | File broadcasting method and system |
| CN105450740A (en) * | 2015-11-13 | 2016-03-30 | 中国建设银行股份有限公司 | Information display method, information display system and information display device |
| CN107231411A (en) * | 2017-05-19 | 2017-10-03 | 巫溪县热点传媒有限公司 | A kind of vehicle-mounted media system |
| CN110570248A (en) * | 2019-09-10 | 2019-12-13 | 北京智云联众科技有限公司 | outdoor advertisement playing method |
| CN112437328B (en) * | 2020-11-20 | 2022-05-17 | 北京电子科技职业学院 | Method for wirelessly downloading high-capacity video file and remotely controlling video file playing |
| CN114125570A (en) * | 2021-11-23 | 2022-03-01 | 西安诺瓦星云科技股份有限公司 | Player program switching method and device, electronic equipment and storage medium |
| CN115567724B (en) * | 2022-12-06 | 2023-05-02 | 成都智元汇信息技术股份有限公司 | Video picture processing method, device and system based on pre-storage network structure |
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