KR101029707B1 - Method and apparatus for preventing recording of image data by using hdmi card - Google Patents

Abstract

PURPOSE: An apparatus for preventing recording of image data using an HDMI(High-Definition Multimedia Interface) card and a method thereof are provided to minimize the damage of a content provider due to a counterfeiting by restricting the recording for a currently reproduced image. CONSTITUTION: A player monitors the reproduction of an image data or the image data is being reproduced(S100). If an image data detected, it is checked whether a hardware device capable of recording the image data including HDMI card exists or not(S200). If a hardware device with recording function is detected, the recording operation is restricted through the player(S300).

Description

Method and apparatus for blocking recording of image data using HDD card {METHOD AND APPARATUS FOR PREVENTING RECORDING OF IMAGE DATA BY USING HDMI CARD}

The present invention relates to a method and apparatus for blocking recording of video data using a high-definition multimedia interface (HDMI) card, and more particularly, to install a video played on a client in a streaming format or a download format on a client. Rather than blocking the recording of the video through the software, the present invention relates to a technology for blocking the video when the video is output to an external hardware capture device through a hardware device such as an HDMI card and recorded or captured.

The present invention relates to a method and apparatus for blocking recording of video data using an HDMI card.

Recently, due to the development of information and communication technologies such as the Internet, many people take online video lectures or watch videos such as movies and music videos through the Internet. In addition, content providers are providing services to play video data in real time by moving away from the method of playing video by downloading to a client. However, in addition to download-type video playback methods, users have attempted to record video contents without permission in real time streaming video playback, and a lot of software supporting recording or capturing has appeared. However, the unauthorized recording and copying of such video contents may be subject to copyright disputes, and from the viewpoint of contents providers, there have been many problems caused by loss of business and infringement of intellectual property rights in addition to copyright disputes.

Thus, in the related art, technologies for preventing unauthorized recording of image data through such software have been developed and used.

Recently, however, as one of the uncompressed digital video / audio interface standards, outputting a digital image to an external display device such as a large monitor or a TV through an HDMI (High Definition Multimedia Interface) card has become common. It is possible to record or capture paid video content provided on the internet in real time in real time using the terminal, but there is a problem that cannot fundamentally prevent unauthorized copying of video data because no fundamental technology has been developed to block it. .

An object of the present invention devised to solve the above problems is to go beyond the technology to block the recording of the image data through the existing software, the recent development of the hardware device technology through a hardware device such as an HDMI card media player In order to provide a method and apparatus for blocking the recording of video data using an HDMI card that can be blocked at the source if the video to be reproduced by using an HDMI capture card to copy.

In addition, another object of the present invention is to fundamentally prevent unauthorized recording and copying of video data reproduced through a hardware device such as an HDMI card, thereby preventing the possibility of copyright disputes in advance, and from a content provider's point of view to unauthorized copying. It is to provide a method and apparatus for blocking the recording of video data using an HDMI card that can minimize the damage caused.

According to a feature of the present invention for achieving the above object, the method for blocking the recording of the image data using the HDMI card of the present invention, the image data reproduced through the image data playback player that is executed in the digital processing device A method for interrupting recording, the digital processing apparatus comprising: (a) detecting whether the video data is being played by the player being first executed or already executed to play the video data; (b) If the player detects that the video data is being played for the first time or has already been executed to reproduce the video data in step (a), it is possible to record video data including an HDMI (High-Definition Multimedia Interface) card. Detecting whether a hardware device is connected; And (c) blocking recording of video data reproduced through the player when detecting in step (b) that a hardware device capable of recording video data including an HDMI card is connected. The processing apparatus may include a recording apparatus database storing PNP (Plug and Play) information of a hardware apparatus capable of recording image data including the HDMI card, and the step (b) may include connecting the hardware apparatus. Detects any one of the PNP ID information or the PNP manufacturer information among the PNP information of the PNP information, and if the detected hardware device exists by searching whether the PNP information of the hardware device that matches the detected PNP information exists in the recording device database, the image data is recorded. Detects that a capable hardware device is connected .

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In the step (b), the PNP information of the connected hardware device is periodically detected at predetermined time intervals.

In the step (c), if it is detected in step (b) that a hardware device capable of recording image data including an HDMI card is connected, the player may be terminated or playback of the image played through the player is stopped. Or recording the video data reproduced through the player by using any one of the predetermined warning messages continuously superimposed on the reproduced video.

According to another aspect of the present invention for achieving the above object, the apparatus for blocking the recording of the image data using the HDMI card of the present invention, the image data to be reproduced through the image data playback player executed in the digital processing device A digital processing apparatus for blocking recording of data, the digital processing apparatus comprising: a recording device database storing PNP (Plug and Play) information of a hardware device capable of recording video data including an HDMI card; An image playback detecting unit for detecting whether the video data is being played by playing the player for the first time or already running to play the video data; The hardware device capable of recording video data, including a high-definition multimedia interface (HDMI) card, when the video playback detecting unit detects that the video data is being played back for the first time or has already been executed. Recording device detection unit for detecting whether the connection; And a recording blocking unit which blocks recording of image data reproduced through the player when the recording device detecting unit detects that a hardware device capable of recording image data including an HDMI card is connected. The unit detects any one of the PNP ID information or the PNP manufacturer information among the PNP information of the connected hardware device, and if the PNP information of the hardware device that matches the detected PNP information is found in the recording device database, the searched hardware device exists. In this case, the hardware device capable of recording video data is detected as being connected.

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The recording device detecting unit may periodically detect PNP information of a connected hardware device at predetermined time intervals.

In addition, the recording blocker, if the recording device detection unit detects that a hardware device capable of recording image data including an HDMI card is connected to the end of the player or stops playing or playback of the video played through the player It is characterized in that the recording of the video data reproduced through the player by using any one of the predetermined warning message to be superimposed on the video to be output continuously.

According to the present invention as described above, if you want to record the image data through the existing software, beyond the technology of blocking this, the recent development of the hardware device technology to display the image played in the media player through a hardware device such as HDMI card When recording and copying using an HDMI capture card can provide a method and apparatus for blocking the recording of video data using an HDMI card that can block the source.

In addition, according to the present invention, by preventing the unauthorized recording and duplication of video data reproduced through a hardware device such as an HDMI card to prevent the possibility of copyright disputes in advance, and from the content provider's point of view A method and apparatus for blocking recording of image data using an HDMI card that can minimize damage can be provided.

1 is a flowchart illustrating a method of blocking recording of image data using an HDMI card according to a preferred embodiment of the present invention.
2 is a block diagram illustrating an apparatus for blocking recording of image data using an HDMI card according to a preferred embodiment of the present invention.

Specific details of other embodiments are included in the detailed description and the drawings.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, the present invention will be described with reference to the drawings for explaining a method of blocking recording of image data using an HDMI card according to embodiments of the present invention.

1 is a flowchart illustrating a method of blocking recording of image data using an HDMI card according to a preferred embodiment of the present invention.

In a method of blocking recording of video data using an HDMI card according to a preferred embodiment of the present invention, the digital processing apparatus 100, which executes a media player application to play video data through the media player, plays back video data. In order to detect the video data being played, the player is first executed or has already been executed (step S100).

Next, when the player detects that the video data is being played for the first time or is already executed to reproduce the video data in the video playback detecting step (step S100), the video data including the HDMI (High-Definition Multimedia Interface) card. It is detected whether a hardware device capable of recording is connected (step S200).

That is, the recording device detection process of the digital processing apparatus 100 is linked with the above image data reproducing player to connect the recordable hardware device such as an HDMI card when the player is executed and attempts to play the image data. It will detect whether or not.

In more detail, the digital processing device 100 preferably includes a recording device database 110 that stores PNP (Plug and Play) information of a hardware device capable of recording image data including an HDMI card.

Then, the recording device detection step (step S200) detects any one of the PNP ID information or PNP manufacturer information from the PNP information of the connected hardware device, the PNP information of the hardware device that matches the detected PNP information is recorded in the recording device database ( If the detected hardware device exists, it detects that a hardware device capable of recording image data is connected.

That is, PNP information such as PNP (Plug and Play) ID or manufacturer information by analyzing EDID (Extended Display Identification Data) information output when the HDMI card is connected through the driver information of the HDMI card installed in the digital processing apparatus 100. If the hardware device that matches the obtained PNP information is found in the recording device database 110 and the detected hardware device exists, it detects that the hardware device capable of recording image data is connected.

Here, EDID (Extended Display Identification Data) is a data structure that contains various information about the monitor. When computer monitor information is sent to the graphics card, the computer can see which monitor is connected. EDID has defined standards in the Video Electronics Standards Association (VESA). EDID contains the manufacturer's name, product type, EDID version, phosphor or filter type, timing, screen size, brightness, and pixels.

When the HDMI card is connected, it acts as a monitor, so it outputs EDID information, and PNP ID information or manufacturer information can be obtained based on various information included in the EDID information.

The PNP information of the connected hardware device may be periodically detected at predetermined time intervals.

Finally, if it is detected in the recording device detection step (step S200) that a hardware device capable of recording video data including an HDMI card is connected, the recording of video data reproduced through the player is blocked (step S300).

More specifically, the step of blocking recording (step S300), when it is detected in step S200 that a hardware device capable of recording video data including an HDMI card is connected, the player is terminated or playback of the video played through the player is performed. It is preferable to block recording of the image data reproduced through the player through any one of stopping or outputting a predetermined warning message superimposed on the reproduced image.

2 is a block diagram illustrating an apparatus for blocking recording of image data using an HDMI card according to a preferred embodiment of the present invention.

Referring to FIG. 2, a description will be given of a digital processing apparatus 100 that blocks recording of image data reproduced through an image data reproduction player executed in a digital processing apparatus according to an exemplary embodiment of the present invention.

The digital processing apparatus 100 includes a recording device database 110, an image playback detecting unit 120, a recording device detecting unit 130, and a recording blocking unit 140.

First, the image reproduction detecting unit 120 detects whether the image data is being reproduced because the media player is first executed or has already been executed to reproduce the image data.

In addition, the recording device detector 130 detects that the media player is first executed or is already executed to reproduce the image data by the image reproduction detecting unit 120 so as to reproduce the image data. Interface) Detects whether a hardware device capable of recording video data including a card is connected.

To this end, it is preferable that the recording device database 110 stores PNP (Plug and Play) information of a hardware device capable of recording image data including an HDMI card.

The recording apparatus database 110 may further include a hardware information input unit (not shown) that receives PNP information of a new hardware device that can be recorded from an administrator terminal (not shown) and stores the PNP information.

 In addition, PNP information or PNP manufacturer information of any one of the PNP information of the hardware device connected to the recording device detection unit 130 is detected, the PNP information of the hardware device that matches the detected PNP information is recorded device database 110 If a detected hardware device exists, it is preferable to detect that a hardware device capable of recording image data is connected.

In this case, it is very preferable that the PNP information of the hardware device to which the recording device detecting unit 130 is connected is periodically detected at predetermined time intervals.

When the recording device detecting unit 130 detects that a hardware device capable of recording video data including an HDMI card is connected, the recording blocking unit 140 blocks recording of video data played through the media player. .

More specifically, the recording blocking unit 140 terminates the media player or the player when the recording device detecting unit 130 detects that a hardware device capable of recording image data including an HDMI card is connected. It is preferable to block the recording of the video data played through the player by either stopping the playback of the video played through or outputting a predetermined warning message superimposed on the played video continuously. Do.

Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is indicated by the scope of the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalent concept are included in the scope of the present invention. Should be interpreted.

100: digital processing device 110: recording device database
120: video playback detection unit 130: recording device detection unit
140: recording block

Claims (8)

A method of blocking recording of video data played back through a video data player played in a digital processing device, the digital processing device comprising:
(a) detecting whether the video data is being played by playing the player for the first time or playing already for playing the video data;
(b) If the player detects that the video data is being played for the first time or has already been executed to reproduce the video data in step (a), it is possible to record video data including an HDMI (High-Definition Multimedia Interface) card. Detecting whether a hardware device is connected; And
(c) blocking the recording of the image data reproduced through the player when it is detected in step (b) that a hardware device capable of recording image data including an HDMI card is connected.
The digital processing device,
And a recording device database for storing PNP (Plug and Play) information of a hardware device capable of recording image data including the HDMI card.
In step (b),
Detects any one of the PNP ID information or the PNP manufacturer information among the PNP information of the connected hardware device, and if the detected hardware device exists by searching whether the PNP information of the hardware device that matches the detected PNP information exists in the recording device database. A method of blocking recording of video data using an HDMI card, comprising detecting that a hardware device capable of recording video data is connected.
delete According to claim 1, wherein step (b),
A method of blocking recording of image data using an HDMI card, characterized by periodically detecting PNP information of a connected hardware device at predetermined time intervals.
The method of claim 1, wherein step (c) comprises:
In step (b), if it is detected that a hardware device capable of recording image data including an HDMI card is connected, the player terminates or stops playing the video played through the player or presets the video to be played. Blocking recording of video data reproduced through the player by using one of the warning messages continuously overlapping and outputting the warning message.
A digital processing apparatus for blocking recording of image data reproduced through a video data reproducing player executed in a digital processing apparatus,
The digital processing device,
A recording device database for storing PNP (Plug and Play) information of a hardware device capable of recording video data including an HDMI card;
An image reproduction detecting unit for detecting whether the image data is being reproduced by playing the player for the first time or already executing to reproduce the image data;
The hardware device capable of recording video data, including a high-definition multimedia interface (HDMI) card, when the video playback detecting unit detects that the video data is being played back for the first time or has already been executed. Recording device detection unit for detecting whether the connection; And
And a recording blocker configured to block recording of video data played through the player when the recording device detector detects that a hardware device capable of recording video data including an HDMI card is connected.
The recording device detecting unit,
Detects any one of the PNP ID information or the PNP manufacturer information among the PNP information of the connected hardware device, and if the detected hardware device exists by searching whether the PNP information of the hardware device that matches the detected PNP information exists in the recording device database. A device for blocking recording of video data using an HDMI card, characterized in that it detects that a hardware device capable of recording video data is connected.
delete The method of claim 5, wherein the recording device detecting unit,
A device for blocking recording of image data using an HDMI card, characterized in that the PNP information of the connected hardware device periodically detects at predetermined time intervals.
The method of claim 5, wherein the recording block,
When the recording device detection unit detects that a hardware device capable of recording image data including an HDMI card is connected, the player terminates the player, stops playing the video played through the player, or presets predetermined video on the played video. Blocking the recording of the video data using the HDMI card, characterized in that the recording of the video data to be played through the player by using any one of the warning messages to be superimposed and output continuously.

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