CN102075505B - System and method for monitoring multimedia file, multimedia terminal and network server - Google Patents

System and method for monitoring multimedia file, multimedia terminal and network server Download PDF

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Publication number
CN102075505B
CN102075505B CN 200910238546 CN200910238546A CN102075505B CN 102075505 B CN102075505 B CN 102075505B CN 200910238546 CN200910238546 CN 200910238546 CN 200910238546 A CN200910238546 A CN 200910238546A CN 102075505 B CN102075505 B CN 102075505B
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information
multimedia terminal
relevant information
multimedia
terminal
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CN102075505A (en
Inventor
裴忠国
杨光宇
郑光华
刘光远
丛才巍
王金星
孙凤武
谢丽娜
徐�明
张弘毅
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China Mobile Group Jilin Co Ltd
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China Mobile Group Jilin Co Ltd
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Abstract

The invention discloses a system and a method for monitoring a multimedia file, aiming to provide a scheme for monitoring the legality of a multimedia file. The system comprises a network server and a multimedia terminal, wherein the network server is used for receiving first relevant information and positioning information which are fed back by the multimedia terminal; the first relevant information is relevant information of a multimedia file which is currently played by the multimedia terminal; the positioning information is used for marking the position of the first relevant information in the multimedia file, and second relevant information of a multimedia file needed to be currently played by the multimedia terminal is determined according to the positioning information; the legality of the multimedia file which is currently played by the multimedia terminal is judged through comparing the consistency of the first relevant information and the second relevant information; the multimedia terminal is used for acquiring a command according to received information, the first relevant information and the positioning information and sending the obtained information. The invention also discloses the multimedia terminal and the network server.

Description

Multimedia file supervisory control system, method, multimedia terminal and network side server
Technical field
The present invention relates to the Computers and Communication technical field, relate in particular to a kind of multimedia file supervisory control system, method, multimedia terminal and network side server.
Background technology
In actual life, be seen everywhere and show the multimedia terminal of abundant information to people, such as the display device that is used for playing at office building advertisement, be used for playing on the square the large-scale display device of news and advertisement etc. etc., these display devices all are the multimedia terminal.In the prior art, the multimedia terminal all is from being used for providing the network side server of multimedia file to download programmed multimedia file in advance, and the multimedia file that downloads to carried out loop play, perhaps, network side server also can carry out loop play to the multimedia terminal by active issuing multimedia file.Usually, it all is that (the legal multimedia file here mainly refers to not comprise violence to legal multimedia file that network side server is assigned to the multimedia file of playing the multimedia terminal, pornographic, the multimedia file of information such as reaction speech), thereby guarantee that the multimedia terminal is healthy to the content that people show, positive, yet, because some security breaches that multimedia terminal and network side server place network may exist, be difficult to avoid the lawless person to utilize these security breaches that the multimedia file that network side server offers the multimedia terminal is replaced in practice, thereby make the multimedia terminal play some and comprise violence, pornographic, the illegal multimedia file of information such as reaction speech, this shows, network side server is monitored the legitimacy of the current in progress multimedia file in multimedia terminal and is necessary, yet, in the prior art, the scheme that does not provide a kind of network side server that the legitimacy of the current in progress multimedia file in multimedia terminal is monitored also.
Summary of the invention
The embodiment of the invention provides a kind of multimedia file supervisory control system, method, in order to the scheme that provides a kind of network side server that the legitimacy of the current in progress multimedia file in multimedia terminal is monitored.
The embodiment of the invention also provides a kind of multimedia terminal and network side server.
The embodiment of the invention is by the following technical solutions:
A kind of multimedia file supervisory control system comprises network side server and multimedia terminal, wherein:
Described network side server, be used for obtaining instruction to described multimedia terminal transmission information, and receive first relevant information and the locating information of described multimedia terminal feedback, described first relevant information is the relevant information of the current in progress multimedia file in multimedia terminal that obtains of described multimedia terminal, described locating information is used for indicating first relevant information in the position of described multimedia file, and according to described locating information, from specify the current multimedia file that should play in described multimedia terminal, determine second relevant information, whether consistent with described second relevant information by more described first relevant information, judge whether the current in progress multimedia file in described multimedia terminal is legal; Described multimedia terminal is used for obtaining instruction according to the described information that receives, and obtains described first relevant information and described locating information and transmission.
Preferably, described locating information is that the reproduction time information corresponding with described first relevant information or described first relevant information are with respect to the offset information of predetermined benchmark relevant information.
Preferably, described first relevant information image information that is present frame.
Preferably, obtain the spatial cache of described first relevant information obtained of the described multimedia terminal multimedia messages display module that to be described multimedia terminal comprise from described multimedia terminal.
A kind of method for supervising of multimedia file, comprise: network side server obtains instruction to multimedia terminal transmission information, and receive described multimedia terminal obtains instruction feedback according to described information first relevant information and locating information, described first relevant information is the relevant information of the current in progress multimedia file in described multimedia terminal that obtains of described multimedia terminal, and described locating information is used for indicating described first relevant information in the position of described multimedia file; Described network side server is determined second relevant information according to described locating information from specify the current multimedia file that should play in described multimedia terminal; Whether described network side server is consistent with described second relevant information by more described first relevant information, judges whether the current in progress multimedia file in described multimedia terminal is legal.
A kind of network side server comprises: memory cell is used for storage and specifies the current multimedia file that should play in multimedia terminal; Instruction sending unit is used for obtaining instruction to multimedia terminal transmission information; Receiving element, be used for receiving described multimedia terminal obtains the instruction feedback according to described information first relevant information and locating information, described first relevant information is the relevant information of the current in progress multimedia file in described multimedia terminal that obtains of described multimedia terminal, and described locating information is used for indicating described first relevant information in the position of described multimedia file; Determining unit is used for the described locating information according to the receiving element reception, from the current multimedia file that should play in the described multimedia terminal of the appointment of cell stores, determines second relevant information; Comparison judgment unit, whether described second relevant information of determining for described first relevant information of passing through relatively receiving element reception and determining unit is consistent, judges whether the current in progress multimedia file in described multimedia terminal is legal.
A kind of multimedia terminal comprises: receiving element, and the information that is used for the transmission of reception network side server is obtained instruction; Acquiring unit, be used for obtaining instruction according to the described information that receiving element receives, obtain relevant information and locating information, described relevant information is the relevant information of the current in progress multimedia file in described multimedia terminal that obtains of described multimedia terminal, and described locating information is used for indicating described relevant information in the position of described multimedia file; Transmitting element, the described relevant information and the described locating information that are used for acquiring unit is obtained send to described network side server.
The embodiment of the invention is obtained instruction by network side server to multimedia terminal transmission information, and obtain first relevant information of the current in progress multimedia file in multimedia terminal that instruction obtains according to multimedia terminal feedback according to this information, be used for indicating first relevant information in the locating information of the position of multimedia file, location second relevant information from specify the current multimedia file that should play in multimedia terminal, by comparing the consistency of first relevant information and second relevant information, network side server just can be judged the legitimacy of the current in progress multimedia file in multimedia terminal, thereby realizes the monitoring to the current in progress multimedia file in multimedia terminal.
Description of drawings
The concrete structure of a kind of multimedia file supervisory control system that Fig. 1 provides for the embodiment of the invention;
The idiographic flow schematic diagram of the method for supervising of a kind of multimedia file that Fig. 2 provides for the embodiment of the invention;
Fig. 3 is the multimedia terminal in the instantiation of the present invention and the concrete structure schematic diagram of network side server place system;
The multimedia file monitoring scheme that Fig. 4 provides for the embodiment of the invention is applied in the idiographic flow schematic diagram in as shown in Figure 3 the system;
The concrete structure schematic diagram of a kind of network side server that Fig. 5 provides for the embodiment of the invention;
The concrete structure schematic diagram of a kind of multimedia terminal that Fig. 6 provides for the embodiment of the invention.
Embodiment
A kind of multimedia file monitoring scheme of the embodiment of the invention, obtain first relevant information of multimedia terminal current in progress multimedia file that instruction obtain according to multimedia terminal feedback according to information by network side server, be used for indicating first relevant information in the locating information of the position of multimedia file, location second relevant information from specify the current multimedia file that should play in multimedia terminal, and by comparing the consistency of first relevant information and second relevant information, network side server just can be judged the legitimacy of the current in progress multimedia file in multimedia terminal, thereby realizes the monitoring to the current in progress multimedia file in multimedia terminal.
Be explained in detail to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
The embodiment of the invention at first provides a kind of multimedia file supervisory control system, the concrete structure schematic diagram of this system as shown in Figure 1, comprise network side server 11 and multimedia terminal 12, wherein, network side server 11 is described below with the concrete function of multimedia terminal 12:
Network side server 11, be used for to the multimedia terminal 12 transmission information and obtain instruction, and reception multimedia terminal 12 obtains first relevant information and the locating information of instruction feedback according to this information, wherein, this first relevant information is the relevant information of these multimedia terminal 12 current in progress multimedia files, this locating information then is used for indicating first relevant information in the position of described multimedia file, according to this locating information, network side server 11 is determined second relevant information from carry out the current multimedia file that should play in multimedia terminal, relatively whether first relevant information is consistent with second relevant information, and according to comparative result, judge whether multimedia terminal 12 current in progress multimedia files are legal, need to prove, above-mentioned locating information can be the reproduction time information corresponding with first relevant information, also can be the offset information of first relevant information with respect to predetermined benchmark relevant information, concrete effect about reproduction time information and offset information will be introduced in a follow-up instantiation, not repeat them here;
Multimedia terminal 12, the information that is used for 11 transmissions of reception network side server is obtained instruction, obtain instruction according to information, obtain first relevant information and locating information, such as, multimedia terminal 12 can obtain this first relevant information from the spatial cache of self-contained multimedia messages display module, this first relevant information can be the identification information of current in progress multimedia file, also can be the image information of the present frame of current in progress multimedia file, after getting access to first relevant information and locating information, first relevant information and locating information that multimedia terminal 12 also needs to obtain send to network side server 11.
Correspondingly, the embodiment of the invention also provides a kind of method for supervising of multimedia file, and the idiographic flow schematic diagram of this method may further comprise the steps as shown in Figure 2:
Step 21, network side server obtains instruction to multimedia terminal transmission information, and receives the multimedia terminal obtains the instruction feedback according to information above-mentioned first relevant information and locating information;
Step 22, network side server from specify the current multimedia file that should play in multimedia terminal, are determined second relevant information according to this locating information that receives;
Step 23, relatively whether first relevant information is consistent with second relevant information for network side server;
Step 24, according to comparative result, network side server judges whether the current in progress multimedia file in this multimedia terminal is legal.
Below introduce the such scheme that the embodiment of the invention provides with an instantiation.
Multimedia terminal in this instantiation and network side server place system can be by the multimedia terminals 31 of as shown in Figure 3 support multimedia, (this system also comprises router to major function entities such as server 32 composition, the functional entity that base station etc. are necessary, but in the embodiment of the invention not to router, base stations etc. concern that with this scheme that the embodiment of the invention provides less entity describes in detail), this system can further include the employed control terminal 33 of attendant, the control terminal 33 here is generally portable mobile termianl, such as being mobile phone, it also can be portable computer etc., in embodiments of the present invention, the employed control terminal 33 of this server 32 and attendant can be referred to as " network side server ", particularly, the specific implementation schematic flow sheet of this scheme that the embodiment of the invention provides in this system shown in 3 can may further comprise the steps as shown in Figure 4:
Step 41, multimedia terminal 31 starts self-contained information and obtains the command reception module, and utilize this information to obtain command reception module reception server 32 and utilize short message that GPRS technology or 3G technology send or the information of Multimedia Message form to obtain instruction, perhaps, multimedia terminal 31 also can utilize this information to obtain the command reception module, receive the server 32 that is linked into internet and obtain instruction by the information based on TCP/UDP that WLAN sends, in embodiments of the present invention, if the attendant need be known the relevant information of the multimedia terminal 31 current media files of playing, then can also 31 send above-mentioned information and obtain instruction to the multimedia terminal by the used control terminal 33 of attendant institute, need to prove, when server 32 or control terminal 33 obtain instruction to a certain multimedia terminal transmission information, server 32 can be according to the sign of this multimedia terminal with control terminal 33, from the corresponding relation of the sign of multimedia terminal of storage in advance and the command format that the multimedia terminal is supported, determine the command format that this multimedia terminal is supported, thereby obtain instruction to the multimedia terminal transmission based on the information of this command format of determining, in this step 41 of the embodiment of the invention, can suppose that this information that the multimedia terminal receives obtains instruction and sent by server 32;
Step 42, multimedia terminal 31 obtains the information that the command reception module receives according to self-contained information and obtains instruction, the spatial cache of the multimedia messages display module that comprises from multimedia terminal 31, obtain the relevant information of current multimedia terminal 31 in progress multimedia files, the relevant information here can be the image of the present frame of in progress multimedia file (can but be not limited to the image of jpeg format) information, other identification informations that also can this in progress multimedia file, because this multimedia file is that 31 cocycles are play in the multimedia terminal, therefore, also need further to determine the corresponding reproduction time information of this relevant information of obtaining, determine that perhaps present frame in the 31 in progress multimedia files of multimedia terminal is with respect to the offset information of reference frame, usually, can be with first frame of this multimedia file as reference frame;
Step 43, the relevant information of the 31 pairs of multimedia files that get access in multimedia terminal is compressed, if this relevant information is the jpeg image information of multimedia terminal 31 current in progress present frames, then can carry out compressed encoding to this image information, owing in step 42, also determined the corresponding reproduction time information of this relevant information of obtaining or above-mentioned side-play amount, therefore, can carry out the protocol code compression to this reproduction time information and above-mentioned offset information, processing by this step 43, the relevant information of the multimedia file that multimedia terminal 31 will be able to be reported, reproduction time information, offset information is compressed processing, thereby saves transfer resource required when above-mentioned each information transmitted;
Step 44, multimedia terminal 31 adopts short messages or Multimedia Message form (perhaps also can adopt the command format based on TCP/UDP) to send the relevant information of the multimedia file behind the compressed encodings to server 32, simultaneously, multimedia terminal 31 also needs to send reproduction time information or the offset information of carrying out after protocol code is compressed to server 32;
Step 45, the relevant information of the multimedia file behind the compressed encoding that server 32 obtains to send multimedia terminal 31, simultaneously, reproduction time information or offset information after the protocol code compression that server 32 can also obtain to send multimedia terminal 31, during the relevant information of the multimedia file after server 32 receives the compressed encoding that sends multimedia terminal 31, the processing of decoding of the relevant information of the multimedia file behind 32 pairs of these compressed encodings of server, obtain the relevant information of multimedia file, simultaneously, if server 32 also receives the reproduction time information after the protocol code compression of sending multimedia terminal 31, then server 32 also needs the processing of decoding of the reproduction time information after the compression of this protocol code, obtain reproduction time information, perhaps, be offset information after the protocol code compression of sending of multimedia terminal 31 if server 32 receives, then server 32 need obtain offset information to the processing of decoding of the offset information after the compression of this protocol code;
Step 46, different information at multimedia terminal 31 transmissions, when server 32 receive simultaneously and decode obtain be the relevant information of multimedia file and reproduction time information the time, if server 32 provides service for a plurality of multimedia terminals simultaneously, then server 32 need be according to the sign (this sign can be that multimedia terminal 31 sends when sending above-mentioned different information) of multimedia terminal 31, from the multimedia terminal sign of self storing and the corresponding relation of specifying the current multimedia file that should play in multimedia terminal, determine to specify these multimedia terminal 31 current multimedia files that should play, further, the reproduction time information that server 32 obtains according to decoding, from the multimedia file of determining, determine the corresponding multimedia document information of reproduction time information that obtains with this decoding, and if 32 of servers provide service for a multimedia terminal, then can be directly according to reproduction time information, from the current multimedia file that should play in appointment multimedia terminal of server 32 storage, determine the corresponding multimedia document information of reproduction time information that obtains with this decoding, such as, when the relevant information of the multimedia file that obtains when decoding is the jpeg image information of multimedia terminal 31 current in progress present frames, need be according to reproduction time information, from the multimedia file that this is determined, determine the jpeg image information corresponding with the reproduction time information that obtains of decoding, then, whether relatively the decode jpeg image information that obtains of server 32 is consistent with the jpeg image information of determining, when comparative result is unanimity, the multimedia file of judging these multimedia terminal 31 current broadcasts is legal multimedia file, otherwise the multimedia file of then judging these multimedia terminal 31 current broadcasts is illegal multimedia file; And when server 32 receive simultaneously and decode obtain be the relevant information of multimedia file and offset information the time, server 32 is according to the sign of multimedia terminal 31, from the multimedia terminal sign of self storing and the corresponding relation of specifying the current multimedia file that should play in multimedia terminal, determine this multimedia terminal 31 current multimedia files that should play, further, the side-play amount that the offset information that server 32 obtains according to decoding is indicated, from the multimedia file of determining, determine that the reference frame with predetermined differs the relevant information of the multimedia file of above-mentioned side-play amount, such as, the relevant information of the multimedia file here can be jpeg image information, and the relevant information of the multimedia file that decoding obtains also can be jpeg image information, therefore, server 32 is that the consistency of the jpeg image information that decoding is obtained and the jpeg image information of determining compares equally, when comparative result is unanimity, the multimedia file of judging these multimedia terminal 31 current broadcasts is legal multimedia file, otherwise, the multimedia file of then judging these multimedia terminal 31 current broadcasts is illegal multimedia file, this moment, server 32 can be initiated notification message to corresponding attendant, notify the attendant that this multimedia terminal of playing illegal multimedia file is controlled, such as, the attendant can close this multimedia terminal, perhaps server 32 can also directly be controlled the multimedia terminal and close the flow process end.
Need to prove, because multimedia file is that 31 cocycles are play in the multimedia terminal, therefore, the reproduction time information that reports according to multimedia terminal 31, it is the relevant information that from the multimedia terminal 31 current multimedia files that should play that server 32 is determined, to determine the corresponding multimedia file of the reproduction time information that reports with this, such as, if the playing duration of this multimedia file is 1 hour, and be constantly (such as 6 o'clock sharps at integral point, 7 o'clock sharps ...) on time first two field picture from this multimedia file begin to play, so, if the reproduction time information that multimedia terminal 31 reports is current system time information, such as 6: 10, server 32 is according to this system time information " 6: 10 " so, just can be from the multimedia file that this multimedia terminal 31 of appointment of self storing be play, the time of determining distance broadcast first two field picture (i.e. 0 moment) is the relevant information of 10 minutes multimedia file.
In above-mentioned steps 46, adopt multimedia file that server 32 determines media termination 31 current broadcasts according to relevant information and the offset information of media file whether during legal mode, because according to the indicated side-play amount of this offset information, can from the media termination 31 current multimedia files of determining that should play, determine the relevant information that differs the multimedia file of this side-play amount with predetermined reference frame accurately, therefore, in concrete the application, be more prone to adopt the multimedia file legal mode whether of determining media termination 31 current broadcasts according to relevant information and the offset information of media file.
Correspondingly, the embodiment of the invention also provides a kind of network side server, and its concrete structure schematic diagram such as Fig. 5 comprise:
Memory cell 51 is used for being stored in the current multimedia file that should play in appointment multimedia terminal;
Instruction sending unit 52 is used for obtaining instruction to multimedia terminal transmission information;
Receiving element 53, be used for receiving the multimedia terminal and obtain first relevant information and the locating information that instruction is fed back according to the information that instruction sending unit 52 sends, wherein, this first relevant information is the relevant information of the current in progress multimedia file in multimedia terminal that obtains of multimedia terminal, and locating information then is used for indicating described first relevant information in the position of described multimedia file;
Determining unit 54 is used for this locating information according to receiving element 53 receptions, from the current multimedia file that should play in appointment multimedia terminal of memory cell 53 storages, determines second relevant information of the multimedia file corresponding with this locating information;
Comparison judgment unit 55, whether second relevant information of determining for first relevant information of passing through relatively receiving element 53 receptions and determining unit 54 is consistent, judges whether the current in progress multimedia file in multimedia terminal is legal.
The embodiment of the invention also provides a kind of multimedia terminal, and the concrete structure schematic diagram of this multimedia terminal comprises following functional unit as shown in Figure 6:
Receiving element 61, the information that is used for the transmission of reception network side server is obtained instruction;
Acquiring unit 62, be used for obtaining instruction according to the information that receiving element 61 receives, obtain relevant information and locating information, wherein, relevant information is the relevant information of the current in progress multimedia file in multimedia terminal that obtains of multimedia terminal, and locating information then is used for indicating relevant information in the position of this current in progress multimedia file;
Transmitting element 63, the relevant information and the locating information that are used for acquiring unit 62 is obtained send to network side server.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (8)

1. a multimedia file supervisory control system comprises network side server and multimedia terminal, it is characterized in that:
Described network side server, be used for the sign according to described multimedia terminal, from the corresponding relation of the sign of multimedia terminal of storage in advance and the command format that the multimedia terminal is supported, determine the command format that described multimedia terminal is supported, obtain instruction to the transmission of described multimedia terminal based on the information of the command format of determining, and receive first relevant information and the locating information of described multimedia terminal feedback, described first relevant information is the relevant information of the current in progress multimedia file in multimedia terminal that obtains of described multimedia terminal, described locating information is used for indicating first relevant information in the position of described multimedia file, and according to described locating information, from specify the current multimedia file that should play in described multimedia terminal, determine second relevant information, whether consistent with described second relevant information by more described first relevant information, judge whether the current in progress multimedia file in described multimedia terminal is legal;
Described multimedia terminal is used for obtaining instruction according to the described information that receives, and obtains described first relevant information and described locating information and transmission.
2. the system as claimed in claim 1 is characterized in that, described locating information is that the reproduction time information corresponding with described first relevant information or described first relevant information are with respect to the offset information of predetermined benchmark relevant information.
3. the system as claimed in claim 1 is characterized in that, described first relevant information is the image information of present frame.
4. the system as claimed in claim 1 is characterized in that, obtains the spatial cache of described first relevant information that described multimedia terminal the obtains multimedia messages display module that to be described multimedia terminal comprise from described multimedia terminal.
5. the method for supervising of a multimedia file is characterized in that, comprising:
Network side server is according to the sign of multimedia terminal, from the corresponding relation of the sign of multimedia terminal of storage in advance and the command format that the multimedia terminal is supported, determine the command format that described multimedia terminal is supported, obtain instruction to the multimedia terminal transmission based on the information of the command format of determining, and receive described multimedia terminal obtains instruction feedback according to described information first relevant information and locating information, described first relevant information is the relevant information of the current in progress multimedia file in described multimedia terminal that obtains of described multimedia terminal, and described locating information is used for indicating described first relevant information in the position of described multimedia file;
Described network side server is determined second relevant information according to described locating information from specify the current multimedia file that should play in described multimedia terminal;
Whether described network side server is consistent with described second relevant information by more described first relevant information, judges whether the current in progress multimedia file in described multimedia terminal is legal.
6. method as claimed in claim 5 is characterized in that, described locating information is that the reproduction time information corresponding with described first relevant information or described first relevant information are with respect to the offset information of predetermined benchmark relevant information.
7. method as claimed in claim 5 is characterized in that, described first relevant information is the image information of present frame.
8. a network side server is characterized in that, comprising:
Memory cell is used for storage and specifies the current multimedia file that should play in multimedia terminal;
Instruction sending unit, be used for the sign according to described multimedia terminal, from the corresponding relation of the sign of multimedia terminal of storage in advance and the command format that the multimedia terminal is supported, determine the command format that described multimedia terminal is supported, send based on the information of the command format of determining to the multimedia terminal and obtain instruction;
Receiving element, be used for receiving described multimedia terminal obtains the instruction feedback according to described information first relevant information and locating information, described first relevant information is the relevant information of the current in progress multimedia file in described multimedia terminal that obtains of described multimedia terminal, and described locating information is used for indicating described first relevant information in the position of described multimedia file;
Determining unit is used for the described locating information according to the receiving element reception, from the current multimedia file that should play in the described multimedia terminal of the appointment of cell stores, determines second relevant information;
Comparison judgment unit, whether described second relevant information of determining for described first relevant information of passing through relatively receiving element reception and determining unit is consistent, judges whether the current in progress multimedia file in described multimedia terminal is legal.
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CN102547415B (en) * 2011-12-19 2014-05-28 北京暴风科技股份有限公司 Method for sharing playing resolution between clients based on CS (Customer Satisfaction) framework
CN103347203A (en) * 2013-06-18 2013-10-09 安科智慧城市技术（中国）有限公司 Information release system and method for monitoring embedded terminal of information release system
CN105635275B (en) * 2015-12-29 2018-11-30 小米科技有限责任公司 File monitor methods, devices and systems
CN111212309A (en) * 2019-12-26 2020-05-29 深圳市华智有为科技有限公司 Video playing system and management method thereof, and intelligent pole management system
CN111131780A (en) * 2019-12-26 2020-05-08 深圳市华智有为科技有限公司 Video playing system and management method thereof, and intelligent pole management system
CN115348463A (en) * 2022-07-11 2022-11-15 西安诺瓦星云科技股份有限公司 Display screen monitoring method, system, device, electronic equipment and storage medium

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