CN115396699A - Management method of movie digital watermark and control method of watermark control software - Google Patents
Management method of movie digital watermark and control method of watermark control software Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
- H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—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
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
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Abstract
The invention discloses a management method of movie digital watermarks and a control method of watermark control software, wherein the management method comprises the following steps: receiving recorded server record information; receiving a use application of watermark fingerprint information; generating unique watermark fingerprint information according to the server record information, and issuing the unique watermark fingerprint information to watermark control software running on a playing server; receiving equipment running information regularly acquired by watermark control software, and judging whether a playing server has behavior abnormity or not; when the play server is judged to have abnormal behaviors, outputting information for early warning; and issuing a control instruction to watermark control software running on a playing server of suspected pirate equipment, and embedding the covering information of the film played on the playing server in real time. The management method can effectively integrate the three steps of detection, verification and positioning, improves the searching efficiency of the movie hall related to the pirates, provides the capability of technical disposal of equipment in the movie hall related to the pirates, and greatly improves the copyright protection function of the film.
Description
Technical Field
The present application relates to the field of digital watermarking technology, and in particular, to a management method for movie digital watermarking and a control method for watermark control software.
Background
The digital cinema places great importance on content security and copyright protection, the content security and copyright protection technical architecture is based on a public key infrastructure/certification authority (PKI/CA) security system, and the adopted technical measures and means mainly comprise content encryption, key management, secure transmission, digital watermarking, digital signature, link encryption, digital certificates, log management, physical security and the like.
In the existing digital cinema technical specification, pre-exposure content protection is performed on a digital cinema release copy DCP through content encryption and key transmission information, the time of an authorized playing server and a playing window is strictly limited, and a higher technical threshold is set for pre-exposure piracy.
Therefore, at present, digital cinema piracy mainly occurs in a post-showing link, namely, piracy is performed through illegal pirate recording. In order to solve the problem, the film industry mainly applies a digital watermarking technology to perform piracy tracing after showing. Namely, legal watermarking (FM) embedding is performed on the on-screen movie, and the mark includes information such as the brand of the playing server, the serial number of the device, the showing time of the movie, and the like. Once the movie is pirated while being shown, critical information such as the playout server, time of piracy, etc. will be recorded. The detection mechanism can trace the playing server and the time of the pirate edition stolen through the detection of the legal evidence mark information in the pirate film, and further verify the film hall (equipment) where the pirate occurs, thereby providing a basis for follow-up tracing.
As can be seen from the above process, the movie piracy investigation includes: the method comprises three important steps of detecting watermark load, verifying a server serial number and positioning a movie hall involved in the pirate, wherein a watermark algorithm is an important link of a copyright protection process but not all. The inventor realizes that the above three steps are separated at present and cannot be effectively integrated, so that the searching efficiency of the movie hall related to the theft is low, and means for disposing the technology of the movie hall related to the theft is also lacked.
Disclosure of Invention
In view of the above, the present invention provides a movie digital watermark management method and a watermark control software control method, which can effectively integrate the three steps of detection, verification and positioning, and can perform technical treatment on equipment in a cinema involved in pirates.
In a first aspect, a management method for a movie digital watermark is applied to a watermark embedding authentication platform deployed on a cloud server, where the cloud server is in communication connection with a play server, and the method includes:
receiving server record information recorded by a movie playing server manufacturer, and submitting the server record information to a management department for auditing;
receiving a use application of watermark fingerprint information sent by a play server operator, and submitting the use application to a management department for auditing;
after the management department passes the record information and the application verification of the server, generating unique watermark fingerprint information according to the record information of the server, encrypting and storing the watermark fingerprint information, and issuing the unique watermark fingerprint information to watermark control software running on a corresponding playing server, wherein the watermark control software is used for sending the received watermark fingerprint information to watermark embedding software running on the playing server, and the watermark embedding software is used for embedding the watermark fingerprint information in a movie in real time when the playing server plays the movie;
receiving equipment running information of the playing server regularly acquired by watermark control software, and judging whether the playing server has behavior abnormity; when the play server is judged to have abnormal behaviors, outputting corresponding information early warning for reminding a manager to check;
and issuing a control instruction to the watermark control software running on the playing server of the suspected pirate device, so that the watermark control software running on the playing server calls the watermark embedding software to carry out real-time embedding of the covering information on the film played on the playing server.
In a second aspect, an apparatus for managing digital watermarks of a movie includes:
the record information auditing module is used for receiving the server record information input by a movie playing server manufacturer and submitting the server record information to a management department for auditing;
the application auditing module is used for receiving an application for using the watermark fingerprint information sent by a play server operator and submitting the application for use to a management department for auditing;
the watermark fingerprint information issuing module is used for generating unique watermark fingerprint information according to the server record information after the management department passes the record information and the application verification of the server record information, encrypting and storing the watermark fingerprint information and issuing the unique watermark fingerprint information to the watermark control software running on the corresponding playing server, wherein the watermark control software is used for sending the received watermark fingerprint information to the watermark embedding software running on the playing server, and the watermark embedding software is used for embedding the watermark fingerprint information in the movie in real time when the playing server plays the movie;
the equipment monitoring module is used for receiving equipment running information of the playing server acquired by the watermark control software at regular time and judging whether the playing server has abnormal behaviors; when the play server is judged to have abnormal behaviors, outputting corresponding information early warning for reminding a manager to check;
and the covering control module is used for issuing a control instruction to the watermark control software running on the playing server of the suspected pirate device, so that the watermark control software running on the playing server calls the watermark embedding software to embed the covering information of the film played on the playing server in real time.
In a third aspect, a method for controlling watermark control software is applied to watermark control software running on a play server, where the play server is in communication connection with a cloud server, and the method includes:
regularly receiving watermark fingerprint information sent by a watermark embedding authentication platform deployed on a cloud server;
when a film starts to play, after receiving a watermark request sent by watermark embedding software running on a playing server, sending received watermark fingerprint information to the watermark embedding software according to the equipment state of the playing server;
sending a notice of starting playing to the watermark embedding authentication platform;
after the movie is played, receiving and pushing a result sent by watermark embedding software;
and sending a notice of the end of the playing to the watermark embedding authentication platform.
Optionally, the watermark control software and the watermark embedding software communicate with each other by using a private communication protocol.
Further optionally, the protocol data packet of the private communication protocol includes a preamble, a sequence number, a status, and a watermark number, the protocol data packet includes 17 characters, the length of the preamble is 2 characters, the length of the sequence number is 3 characters, the length of the status is 2 characters, and the length of the watermark number is 10 characters.
Further optionally, the values of the preamble include 01, 02, and 03, where 01 is used to identify that the watermark embedding software requests the watermark control software for the watermark state and the watermark number, 02 is used to identify that the watermark embedding software notifies the watermark control software that the movie playing is completed, and 03 is used to identify a general response sent by the watermark control software to the watermark embedding software;
the serial number adopts 3 10-system digits, and the value of the serial number is 000-999;
the state adopts 2 10-system digits, the value of the state comprises 00, 01, 02, 03 and 04, wherein 00 is used for identifying normal use of equipment, 01 is used for identifying that the equipment is disabled by a watermark embedding authentication platform, 02 is used for identifying that the equipment triggers an alarm mechanism of the watermark embedding authentication platform, is identified as suspected pirate equipment, 03 is used for identifying that the equipment is not activated, 04 is used for identifying abnormal communication, and watermark embedding software does not acquire watermark fingerprint information;
the watermark number adopts 10 16-system numbers, and the value of the watermark number is 0000000000-FFFFFFFFFF.
Optionally, the method further comprises:
and acquiring the equipment running information of the playing server at regular time, and sending the acquired equipment running information to the watermark embedding authentication platform.
In a fourth aspect, a control apparatus for watermark control software includes:
the watermark fingerprint information receiving module is used for regularly receiving watermark fingerprint information sent by a watermark embedding authentication platform deployed on the cloud server;
the watermark fingerprint information forwarding module is used for receiving a watermark request sent by watermark embedding software running on a playing server when a film starts to be played, and sending the received watermark fingerprint information to the watermark embedding software according to the equipment state of the playing server;
a play start notification module for sending a notification of play start to the watermark embedding authentication platform;
the result pushing and receiving module is used for receiving the result pushing sent by the watermark embedding software after the film playing is finished;
and the playing end notification module is used for sending a notification of the playing end to the watermark embedding authentication platform.
The invention has at least the following beneficial effects:
based on further analysis and research on the problems in the prior art, the invention realizes that the three steps of detecting watermark load, verifying server serial number and positioning a film pirate-related studio in the current film pirate tracing process are separated respectively, can not be effectively integrated, and lacks means for disposing the technology of equipment in the film pirate-related studio; the management method of the movie digital watermark provided by the embodiment of the invention is a reliable, convenient, traceable, disposable, repudiation-proof and clone-proof full-flow closed-loop management protection technical flow based on the digital watermark, and can effectively integrate the three steps of detection, verification and positioning into a whole by utilizing the interaction among the watermark embedding authentication platform, the watermark control software and the watermark embedding software, so that the three steps are not separated from each other, the search efficiency of a pirate cinema-related search is improved, the technical disposal capability of the pirate-related cinema equipment is provided, a playing server confirming suspected pirate can be embedded with covering information in real time, and the copyright protection function of movie works is greatly improved.
By the control method of the watermark control software provided by the embodiment of the invention, the watermark embedding software can be controlled through the watermark control software running on the playing server, so that the watermark fingerprint information can be embedded in the movie in real time when the movie is played by the playing server, and the copyright protection capability of the movie is improved.
Drawings
Fig. 1 is a schematic diagram of an application environment of a management method for digital watermarks of a movie according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for managing digital watermarks of a movie according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating an overall process of a method for managing digital watermarks of a movie according to an embodiment of the present invention;
fig. 4 is a block diagram of a module architecture of a management apparatus for digital watermarking of a movie according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a control method of watermark control software according to an embodiment of the present invention;
FIG. 6 is a diagram illustrating interaction relationships in accordance with an embodiment of the present invention;
fig. 7 is a block diagram of a module architecture of a control device of watermark control software according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The management method for the movie digital watermark provided by the application can be applied to the application environment shown in fig. 1. The cloud server 101 is in communication connection with the local play server 102 through a network, a watermark embedding authentication platform is deployed on the cloud server 101, and watermark control software and watermark embedding software run on the local play server 102.
In an embodiment, as shown in fig. 2, a management method for a movie digital watermark is provided, which is described by taking as an example that the method is applied to a watermark embedding authentication platform deployed on the cloud server 101 in fig. 1, and includes the following steps:
step S201, receiving server filing information recorded by a movie playing server manufacturer, and submitting the server filing information to a management department for auditing;
step S202, receiving a use application of watermark fingerprint information sent by a play server operator, and submitting the use application to a management department for auditing;
step S203, after the management department passes the record information and application verification of the server, generating unique watermark fingerprint information according to the record information of the server, encrypting and storing the watermark fingerprint information, and issuing the watermark fingerprint information to watermark control software running on a corresponding playing server, wherein the watermark control software is used for sending the received watermark fingerprint information to watermark embedding software running on the playing server, and the watermark embedding software is used for embedding the watermark fingerprint information in the movie in real time when the playing server plays the movie;
step S204, receiving the equipment running information of the playing server regularly acquired by the watermark control software, and judging whether the playing server has abnormal behaviors; when the play server is judged to have abnormal behaviors, outputting corresponding information early warning for reminding a manager to check;
step S205, sending a control instruction to the watermark control software running on the playing server of the suspected pirate device, so that the watermark control software running on the playing server invokes the watermark embedding software to perform real-time embedding of the masking information on the film playing on the playing server.
Stated differently, the management method of the movie digital watermark can also be expressed as the following steps:
(1) A movie playing server manufacturer inputs server filing information to a watermark embedding authentication platform (cloud deployment), and the platform submits the information to a management department for information verification;
(2) When the playing server is started, the playing server operator applies for the use of the watermark fingerprint information to the authentication platform, and the platform submits the application to a management department for verification;
(3) After the verification is passed, the authentication platform generates unique watermark fingerprint information according to the record information of the server, performs encryption processing and unified storage on the platform side, and issues the unique watermark fingerprint information to the playing server;
(4) The playing server runs the watermark control software on the local machine, regularly collects the equipment running information and sends the equipment running information to the authentication platform;
(5) After the playing server is started, watermark control software operated by the local machine (playing server) is responsible for receiving watermark fingerprint information issued by the authentication platform;
(6) Watermark embedding software of the local machine of the playing server is communicated with watermark control software operated by the local machine to acquire watermark fingerprint information and embed the watermark in real time during playing;
(7) For the playing server with abnormal behavior, carrying out information early warning on the authentication platform side to remind a manager to carry out investigation;
(8) For the playing server which confirms suspected piracy, the authentication platform can actively issue an instruction, watermark control software on the playing server calls watermark embedding software to embed the covering information in real time, and technical processing is carried out on the suspected piracy equipment.
The overall flow chart of the above process is shown in fig. 3.
The management method of the movie digital watermark provided by the embodiment of the invention is a reliable, convenient, traceable, disposable, repudiation-proof and clone-proof full-flow closed-loop management protection technical flow based on the digital watermark, and can effectively integrate the three steps of detection, verification and positioning into a whole by utilizing the interaction among the watermark embedding authentication platform, the watermark control software and the watermark embedding software, so that the three steps are not separated from each other, the search efficiency of a pirate cinema related hall is improved, the capability of disposing equipment technology of the pirate cinema related hall is provided, a playing server confirming suspected pirate can be embedded with covering information in real time, and the copyright protection function of movie works is greatly improved.
It should be understood that, although the steps in the flowchart of fig. 2 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not limited to being performed in the exact order illustrated and, unless explicitly stated herein, may be performed in other orders. Moreover, at least a part of the steps in fig. 2 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a part of the steps or stages in other steps.
In one embodiment, as shown in fig. 4, there is provided a management apparatus for digital watermarking of a movie, including the following program modules:
a record information auditing module 401, configured to receive server record information entered by a movie playback server manufacturer, and submit the server record information to a management department for auditing;
a usage application auditing module 402, configured to receive a usage application of watermark fingerprint information sent by a play server operator, and submit the usage application to a management department for auditing;
a watermark fingerprint information issuing module 403, configured to generate unique watermark fingerprint information according to the server record information after the management department passes the record information and application verification of the server record information, encrypt and store the watermark fingerprint information, and issue the watermark fingerprint information to watermark control software running on a corresponding playing server, where the watermark control software is configured to send the received watermark fingerprint information to watermark embedding software running on the playing server, and the watermark embedding software is configured to embed the watermark fingerprint information in a movie in real time when the playing server plays a movie;
the device monitoring module 404 is configured to receive device operation information of the play server periodically acquired by the watermark control software, and determine whether the play server has behavior abnormality; and when the playing server is judged to have abnormal behaviors, outputting corresponding information early warning for reminding a manager to check.
The hiding control module 405 is configured to issue a control instruction to the watermark control software running on the playing server of the suspected pirate device, so that the watermark control software running on the playing server invokes the watermark embedding software to embed the hiding information in real time in the movie played on the playing server.
For specific limitations of a management apparatus for digital watermarking of a movie, reference may be made to the above limitations on a management method for digital watermarking of a movie, which are not described in detail herein. The modules in the management device for the digital watermark of the movie can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent of a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
The management device for the movie digital watermark provided by the embodiment of the invention is a reliable, convenient, traceable, disposable, repudiation-proof and clone-proof full-flow closed-loop management protection technical flow based on the digital watermark, and can effectively integrate the three steps of detection, verification and positioning into a whole by utilizing the interaction among the watermark embedding authentication platform, the watermark control software and the watermark embedding software, so that the three steps are not separated from each other, the search efficiency related to a pirate studio is improved, the capability of technical disposal related to the pirate studio is provided, a playing server which confirms suspected pirate can be embedded with covering information in real time, and the copyright protection function of movie works is greatly improved.
In an embodiment, as shown in fig. 5, a method for controlling watermark control software is provided, which is described by taking the method as an example applied to the watermark control software running on the playing server 102 in fig. 1, and includes the following steps:
step S501, regularly receiving watermark fingerprint information sent by a watermark embedding authentication platform deployed on a cloud server;
step S502, when the movie starts to be played, after receiving a watermark request sent by watermark embedding software running on a playing server, sending the received watermark fingerprint information to the watermark embedding software according to the equipment state of the playing server, wherein the watermark embedding software can embed the watermark fingerprint information in the movie in real time when the playing server plays the movie;
step S503, sending a notice of playing start to the watermark embedding authentication platform;
step S504, after the movie is played, receiving and pushing a result sent by watermark embedding software;
step S505, a notification of the end of playback is sent to the watermark embedding authentication platform.
The method further comprises the following steps:
and step S506, collecting the equipment operation information of the playing server at regular time, and sending the collected equipment operation information to the watermark embedding authentication platform.
In general, watermark control software is responsible for:
(1) Acquiring watermark fingerprint information from a watermark embedding authentication platform at regular time;
(2) Pushing watermark fingerprint information to watermark embedding software according to the watermark embedding software request;
(3) And collecting equipment operation information, and transmitting the operation information back to the watermark embedding authentication platform.
That is, as shown in fig. 6, the method involves interaction between the watermark embedding authentication platform, the watermark control software, and the watermark embedding software can be controlled by playing the watermark control software running separately on the server.
Furthermore, private communication protocol is adopted for communication between the watermark control software and the watermark embedding software. The protocol data packet of the private communication protocol comprises 17 characters, namely a preamble, a serial number, a state and a watermark number. Specifically, the method comprises the following steps:
1) Preamble code: the length of the protocol identification code is 2 characters, and the value of the preamble code comprises 01, 02 and 03, wherein:
01: the watermark embedding software is used for identifying the watermark and requesting the watermark state and the watermark number from the watermark control software;
02: the watermark embedding software is used for identifying the watermark and informing the watermark control software that the playing of the film is finished;
03: for identifying the generic response sent by the watermark control software to the watermark embedding software.
2) Sequence number: the message number has a length of 3 characters, adopts 3 10-system numbers, and has a serial number value of 000-999.
3) And (3) state: length is 2 characters, 2 10-system digits are adopted, and the values of the states include 00, 01, 02, 03 and 04, wherein:
00: the device is used for identifying normal use of the device;
01: the watermark embedding authentication platform is used for identifying that the equipment is disabled by the watermark embedding authentication platform;
02: an alarm mechanism for the identification device to trigger watermark embedding into the authentication platform is identified as suspected pirate device;
03: for identifying that the device is inactive;
04: the method is used for identifying communication abnormity, and watermark embedding software does not acquire watermark fingerprint information.
4) Watermark number: the length is 10 characters, 10 16-system numbers are adopted, the value of the watermark number is 0000000000-FFFFFFFFFF, and 10 16-system ASCII codes are transmitted during communication.
Communication examples are made by way of example for the above method:
(1) when the movie starts playing, the watermark embedding software initiates a watermark request to the watermark control software, for example 01 001 00 0000000000;
(2) after receiving the request, the watermark control software sends watermark fingerprint information to the watermark embedding software according to the equipment state, such as 03 001 00 0123456789;
(3) the watermark control software asynchronously sends a play start notification message to the authentication platform;
(4) after the playing is finished, the watermark embedding software initiates result pushing to the watermark control software, for example, 02 002 00 0123456789;
(5) and the watermark control software asynchronously sends a play end notification message to the authentication platform, and the play of the embedding of the fingerprint information with the watermark is finished.
By the control method of the watermark control software provided by the embodiment of the invention, the watermark embedding software can be controlled through the watermark control software running on the playing server, so that the watermark fingerprint information can be embedded in the movie in real time when the movie is played by the playing server, and the copyright protection capability of the movie is improved.
It should be understood that, although the steps in the flowchart of fig. 5 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in fig. 5 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.
In one embodiment, as shown in fig. 7, there is provided a control apparatus of watermark control software, including the following program modules:
a watermark fingerprint information receiving module 701, configured to receive, at regular time, watermark fingerprint information sent by a watermark embedding authentication platform deployed on a cloud server;
a watermark fingerprint information forwarding module 702, configured to, when the movie starts to be played, receive a watermark request sent by watermark embedding software running on the playing server, and send the received watermark fingerprint information to the watermark embedding software according to the device state of the playing server;
a play start notification module 703, configured to send a notification of start of play to the watermark embedding authentication platform;
a result pushing and receiving module 704, configured to receive result pushing sent by the watermark embedding software after the movie playing is finished;
a playing end notification module 705, configured to send a notification of playing end to the watermark embedding authentication platform.
The system further comprises an equipment running information acquiring module 706, configured to acquire equipment running information of the play server at regular time, and send the acquired equipment running information to the watermark embedding authentication platform.
For the specific definition of the control device of a watermark control software, reference may be made to the above definition of the control method of a watermark control software, and details are not described here. The modules in the control device of the watermark control software can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent of a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
The control device of the watermark control software provided by the embodiment of the invention can control the watermark embedding software through the watermark control software running on the playing server, so that the watermark fingerprint information can be embedded in the movie in real time when the playing server plays the movie, and the copyright protection capability of the movie is improved.
In one embodiment, a computer device is provided, which includes a memory and a processor, the memory storing a computer program, and relates to all or part of the flow of the method of the above embodiment.
In one embodiment, a computer-readable storage medium having a computer program stored thereon is provided, which relates to all or part of the processes of the above-described embodiment methods.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), for example.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (8)
1. A management method of a movie digital watermark is applied to a watermark embedding authentication platform deployed on a cloud server, wherein the cloud server is in communication connection with a playing server, and the method comprises the following steps:
receiving server record information recorded by a movie playing server manufacturer, and submitting the server record information to a management department for auditing;
receiving a use application of watermark fingerprint information sent by a play server operator, and submitting the use application to a management department for auditing;
after the management department passes the record information and application verification of the server, generating unique watermark fingerprint information according to the record information of the server, encrypting and storing the watermark fingerprint information, and issuing the unique watermark fingerprint information to watermark control software running on a corresponding playing server, wherein the watermark control software is used for sending the received watermark fingerprint information to watermark embedding software running on the playing server, and the watermark embedding software is used for embedding the watermark fingerprint information in a movie in real time when the playing server plays the movie;
receiving equipment running information of the playing server regularly acquired by watermark control software, and judging whether the playing server has behavior abnormity; when the play server is judged to have abnormal behaviors, outputting corresponding information early warning for reminding a manager to carry out investigation;
and issuing a control instruction to the watermark control software running on the playing server of the suspected pirate device, so that the watermark control software running on the playing server calls the watermark embedding software to carry out real-time embedding of the covering information on the film played on the playing server.
2. A management apparatus for digital watermarking of a motion picture, comprising:
the record information auditing module is used for receiving the record information of the server recorded by a movie playing server manufacturer and submitting the record information of the server to a management department for auditing;
the application auditing module is used for receiving an application for using the watermark fingerprint information sent by a play server operator and submitting the application for use to a management department for auditing;
the watermark fingerprint information issuing module is used for generating unique watermark fingerprint information according to the server record information after the management department passes the record information and the application verification of use of the server, encrypting and storing the watermark fingerprint information and issuing the watermark fingerprint information to watermark control software running on a corresponding playing server, wherein the watermark control software is used for sending the received watermark fingerprint information to watermark embedding software running on the playing server, and the watermark embedding software is used for embedding the watermark fingerprint information in a movie in real time when the playing server plays the movie;
the equipment monitoring module is used for receiving equipment running information of the playing server acquired by the watermark control software at regular time and judging whether the playing server has abnormal behaviors; when the play server is judged to have abnormal behaviors, outputting corresponding information early warning for reminding a manager to carry out investigation;
and the covering control module is used for issuing a control instruction to the watermark control software running on the playing server of the suspected pirate device, so that the watermark control software running on the playing server calls the watermark embedding software to carry out real-time embedding of the covering information on the film played on the playing server.
3. A control method of watermark control software is applied to watermark control software running on a playing server, wherein the playing server is in communication connection with a cloud server, and the method comprises the following steps:
regularly receiving watermark fingerprint information sent by a watermark embedding authentication platform deployed on a cloud server;
when a film starts to be played, after receiving a watermark request sent by watermark embedding software running on a playing server, sending received watermark fingerprint information to the watermark embedding software according to the equipment state of the playing server;
sending a notice of starting playing to the watermark embedding authentication platform;
after the film is played, receiving and pushing a result sent by watermark embedding software;
and sending a notice of the end of the playing to the watermark embedding authentication platform.
4. The method for controlling watermark control software according to claim 3, wherein the watermark control software and the watermark embedding software communicate with each other using a proprietary communication protocol.
5. The method as claimed in claim 4, wherein the protocol data packet of the proprietary communication protocol includes a preamble, a serial number, a status and a watermark number, the protocol data packet includes 17 characters, the preamble is 2 characters in length, the serial number is 3 characters in length, the status is 2 characters in length, and the watermark number is 10 characters in length.
6. The method for controlling watermark control software according to claim 5, wherein the values of the preamble include 01, 02 and 03, where 01 is used to identify that the watermark embedding software requests the watermark control software for the watermark status and the watermark number, 02 is used to identify that the watermark embedding software notifies the watermark control software that the movie playback is completed, and 03 is used to identify a general response sent by the watermark control software to the watermark embedding software;
the serial number adopts 3 10-system digits, and the value of the serial number is 000-999;
the state adopts 2 10-system digits, the values of the state comprise 00, 01, 02, 03 and 04, wherein 00 is used for identifying normal use of equipment, 01 is used for identifying that the equipment is disabled by a watermark embedding authentication platform, 02 is used for identifying that the equipment triggers an alarm mechanism of the watermark embedding authentication platform, is identified as suspected pirate equipment, 03 is used for identifying that the equipment is not activated, 04 is used for identifying abnormal communication, and watermark embedding software does not acquire watermark fingerprint information;
the watermark number adopts 10 16-system numbers, and the value of the watermark number is 0000000000-FFFFFFFFFF.
7. The method for controlling watermark control software according to claim 3, wherein the method further comprises:
and acquiring the equipment operation information of the playing server at regular time, and sending the acquired equipment operation information to the watermark embedding authentication platform.
8. A control apparatus for watermark control software, comprising:
the watermark fingerprint information receiving module is used for regularly receiving watermark fingerprint information sent by a watermark embedding authentication platform deployed on the cloud server;
the watermark fingerprint information forwarding module is used for receiving a watermark request sent by watermark embedding software running on a playing server when a film starts to be played, and sending the received watermark fingerprint information to the watermark embedding software according to the equipment state of the playing server;
a play start notification module for sending a notification of play start to the watermark embedding authentication platform;
the result pushing and receiving module is used for receiving result pushing sent by the watermark embedding software after the movie playing is finished;
and the playing end notification module is used for sending a notification of the playing end to the watermark embedding authentication platform.
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