KR100937952B1 - Apparatus and method for blocking capture - Google Patents

Abstract

Disclosed is a capture blocking device and method. The capture blocking device according to the embodiment of the present invention includes an environment setting unit and a filter inserting unit. The environment setting unit sets a usage environment for using the overlay when playing the video in response to the video playing command. The filter inserting unit allows the video to be played under the set use environment, and inserts an overlay filter to allow the overlay to be used during the playing of the video. The capture blocker according to the embodiment of the present invention has the advantage of blocking the screen capture at any time regardless of the type of the capture program and increasing the stability of the user system.

Description

Apparatus and method for blocking capture

The present invention relates to a method of blocking capture of a digital asset, and more particularly, to an apparatus and method for blocking capture of a digital asset running on a computer by using an overlay function provided by a computer operating system.

With the rapid development of computer and internet technologies, users can download and upload digital data quickly and easily. However, in addition to these net functions according to technological developments, illegal copying and distribution of digital copyrighted works such as pictures, photographs, documents, and videos are also a big problem.

One of the piracy methods for digital works is to piracy by imaging the information of the digital work currently being executed by using a capture program.

As a method to prevent piracy by using a capture program, a process list of the capture programs is stored in advance, and if a capture program is stored in the memory or the execution process list of the user's computer in advance, it is forcibly terminated. .

However, if a capture program not listed on the list is performed, or if any capture program that is not commercialized is performed, there is a problem that the above-described method cannot prevent the capture. In addition, when a method of hiding a capture program by modulating a name of a capture program or a class ID uniquely held by the program is used, there is a problem in that the capture cannot be prevented by the above-described method.

In addition, since the above-described method forcibly terminates the program, there is a risk of causing instability in the user system. That is, the conventional method described above has a problem in that the leakage of the information displayed on the screen cannot be prevented at the source. Therefore, the development of a new method that can prevent the leakage of the screen information at the source is required.

An object of the present invention is to provide an apparatus for blocking the capture of a digital asset running on a computer by using an overlay function provided in a computer operating system.

Another object of the present invention is to provide a method of blocking the capture of a digital asset running on a computer by using an overlay function provided by a computer operating system.

The capture blocking device according to the embodiment of the present invention for achieving the above technical problem includes an environment setting unit, and a filter insertion unit. The environment setting unit sets a usage environment for using the overlay when playing the video in response to the video playing command. The filter inserting unit allows the video to be played under the set use environment, and inserts an overlay filter to allow the overlay to be used during the playing of the video.

On the other hand, the environment setting unit is set to use the video mixing renderer and the overlay of the video acceleration settings of the Microsoft Windows Media Player, and to use the streaming protocol other than UDP in the network settings, and in the Microsoft Windows Display Properties Set hardware acceleration to maximum.

In addition, the inserted overlay filter is preferably an overlay mixer filter among filters provided by Microsoft DirectX.

Meanwhile, the capture blocking device according to an embodiment of the present invention may further include an information display unit displaying user information including a name, ID, and social security number along with the reproduced video.

According to another aspect of the present invention, there is provided a capture blocking method, in response to a video playing command, setting a use environment for using an overlay when playing a video, wherein the video is used under the set use environment. Playing the video, and inserting an overlay filter to allow the overlay to be used during playback of the video.

Meanwhile, the setting of the usage environment may include setting a video mixing renderer and an overlay in the video acceleration setting of the Microsoft Windows Media Player, using a streaming protocol other than UDP in the network setting, and And setting hardware acceleration to maximum in the Microsoft Windows display properties.

In addition, the inserted overlay filter is preferably an overlay mixer filter among the filters provided by Microsoft DirectX.

Meanwhile, the capture blocking method according to an embodiment of the present invention may further include displaying user information including a name, ID, and social security number together with the played video.

On the other hand, capture capture method according to another embodiment of the present invention, when the instruction to play a video, checking whether a program for executing the method is installed, if the program is not installed, the step of installing the program, and Executing the method according to the program according to the program.

As described above, the capture blocking device according to the embodiment of the present invention has the advantage of being able to block screen captures regardless of the type of the capture program at the same time and to improve the stability of the user system.

DETAILED DESCRIPTION In order to fully understand the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings which illustrate preferred embodiments of the present invention and the contents described in the drawings.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements.

1 is a block diagram of a capture blocking device according to an embodiment of the present invention, Figure 2 is a flow chart of a capture blocking method according to an embodiment of the present invention. For convenience of description, a video player 195 for playing a video is shown together in FIG. 5. The capture blocking device 100 according to the embodiment of the present invention may include an environment setting unit 110 and a filter inserting unit 130, and may further include an information display unit 150. Hereinafter, a configuration and an operation of a capture blocking device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 3.

When playing a video, a user inputs a video playback command (MV_STRT) to the user's system by using various input devices such as a keyboard and a mouse. The video playback unit 195 plays the requested video in response to the video playback command MV_STRT, but before the video is played by the video playback unit 195, the environment setting unit 110 performs a video playback command. In response to the MV_STRT, a usage environment for playing a video, that is, a usage environment CIR for using an overlay during playback, is set (S210).

For example, when a system for playing a video is operated in a Microsoft Windows environment, the video playing unit 195 is preferably a window media player. In this case, in the present invention, it is preferable that the environment setting unit 110 sets the environment and the window display registration information of the Microsoft Windows MIDI Player.

FIG. 3 is a flowchart for explaining a step of setting a use environment of FIG. 2. Specifically, referring to FIG. 3, in relation to the environment of the window media player, the environment setting unit 110 sets the video mixing renderer and the overlay to be used during the video acceleration setting (S211). The environment setting unit 110 sets up to use the remaining streaming protocol except UDP in the network setting (S211). Meanwhile, in relation to the display registration information, the environment setting unit 110 sets hardware acceleration to the maximum (S213).

Typically, the capture program performs the capture with reference to the video memory during movie playback, which makes it impossible to refer to the video memory by the capture program when using an overlay. That is, in the present invention, by setting the overlay to be used during video playback, the capture program does not refer to the video memory so that the capture is blocked.

Meanwhile, in the embodiment of the present invention, the environment setting unit 110 may control the registry of the user system directly so that the above-described use environment is automatically set so that the environment setting unit 110 is not recognized outside the system.

1 and 2, after the usage environment is set, the video player 195 starts playing the requested video (S230). After the video playback starts, the filter inserting unit 130 inserts an overlay filter (FILTER) to use the overlay (S250). Under the window environment as described above, the filter inserting unit 130 may insert an overlay mixer filter among filters provided by Microsoft directX.

As described above, in the present invention, by setting a usage environment for the overlay to be used before starting the video playback, and inserting an overlay filter for the overlay to be used after the video playback starts, capturing by the capture program is impossible. do.

In addition, in the present invention, since the video playback is not performed when the usage environment set by the environment setting unit 110 is changed, the capture is prevented even when the capture program attempts to capture by changing the usage environment.

On the other hand, there is a case where a moving picture is captured by using an image acquisition device such as a video camera without using a capture program. In the present invention, in order to prevent the capture made in this manner in advance, a method of displaying the user information together in the video being played is used.

That is, in the present invention, the information display unit 150 displays the user information (INF) including the name, ID, and social security number on the reproduced video together (S270). In this way, when capturing a moving picture reproduced by using the image acquisition device, the intention of the leaker is made public so that the capture intention can be blocked in advance.

On the other hand, when actually executed in the user's system, the capture blocking method according to an embodiment of the present invention is preferably implemented as a program to be executed. When the user's system is operated under the Microsoft Windows environment, it is preferable that the program for executing the capture blocking method in the embodiment of the present invention is automatically installed by using the ActiveX control.

In this case, the capture blocking method according to another embodiment of the present invention, when a video playback command, check whether a program for executing the method shown in Figure 2 is installed, if the program is installed according to the installed program shown in FIG. Run the method. On the other hand, if a program is not installed, the capture blocking method according to another embodiment of the present invention installs a program for executing the method shown in FIG. 2 and then executes the method shown in FIG. 2 according to the program. Since the operation of executing the method shown in FIG. 2 according to the program has been described above, a detailed description thereof will be omitted.

Meanwhile, the above-described embodiments of the present invention can be written as a program that can be executed in a computer, and can be implemented in a general-purpose digital computer that operates the program using a computer-readable recording medium. In addition, the structure of the data used in the above-described embodiment of the present invention can be recorded on the computer-readable recording medium through various means.

The computer-readable recording medium may be a magnetic storage medium (for example, a ROM, a floppy disk, a hard disk, etc.), an optical reading medium (for example, a CD-ROM, DVD, etc.) and a carrier wave (for example, the Internet). Storage medium).

As described above, optimal embodiments have been disclosed in the drawings and the specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

BRIEF DESCRIPTION OF THE DRAWINGS In order to better understand the drawings cited in the detailed description of the invention, a brief description of each drawing is provided.

1 is a block diagram of a capture blocking device according to an embodiment of the present invention.

2 is a flowchart of a capture blocking method according to an embodiment of the present invention.

FIG. 3 is a flowchart for explaining a step of setting a use environment of FIG. 2.

Claims (10)

An environment setting unit configured to set a use environment of a system for playing a video for using an overlay when playing a video in response to a video playing command; And And a filter inserting unit configured to insert the overlay filter so that the video is played under the set use environment and the overlay is used during the playing of the video. According to claim 1, wherein the environment setting unit, When the system for playing the video is operated in the Microsoft Windows environment, Set the video acceleration of Microsoft Windows Media Player to use the video mixing renderer and overlay, and set the network to use the streaming protocol except UDP. Capture blocker, characterized by setting hardware acceleration to maximum in Microsoft Windows Display Properties. The method of claim 1, wherein when the system for playing a video is operated in a Microsoft Windows environment, The overlay filter inserted is a capture blocker, characterized in that the overlay mixer filter of the filters provided by Microsoft DirectX (directX). The method of claim 1, Capturing block method further comprises an information display unit for displaying the user information including the name, ID, social security number together with the reproduced video. In response to a video playback command, setting a usage environment of the system for video playback to use the overlay when playing the video; Playing the video under the set use environment; Inserting an overlay filter to allow the overlay to be used during playback of the video. The method of claim 5, wherein the setting of the usage environment comprises: when the system for playing the video is operated in a Microsoft Windows environment. Setting to use the video mixing renderer and the overlay during the video acceleration setting of the Microsoft Windows Media Player, and using the streaming protocol other than UDP in the network setting; And Capturing the maximum hardware acceleration in the Microsoft Windows display properties. The method of claim 5, wherein the system for playing a video is operated in a Microsoft Windows environment. The inserted overlay filter is an overlay mixer filter among filters provided by Microsoft DirectX. The method of claim 5, wherein Capturing capture method further comprising the step of displaying the user information including the name, ID, social security number with the video being played. Checking whether a program for executing the method of claim 5 is installed when a moving picture is played; If the program is not installed, installing the program; And And executing a method according to the program. A computer-readable recording medium having recorded thereon a program for executing the method of claim 5.

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