WO2001099419A1 - A method for viewing the net-page by using the standard television receiver - Google Patents

Abstract

This invention discloses a method for viewing the net-page by using the standard television receiver, which treats a net-page that has multi-net-page structure by acquiring subframe information of net-page and comparing the border of the zoomed in/out images with that one of intended of the user, so as to make the treated area to cover the area of viewer's frame as large as possible. When the net-page to be treated comprises the real-time video data stream, the stream will be defined to be a special frame, and the stream will be directly written into the buffer of the output video signal.

Description

 Method for displaying webpage by using standard television and browser used for the method

 The present invention relates to a method for browsing a webpage using an effective display area of a standard television, and in particular to a method for fully utilizing the effective display area of a standard television when browsing a webpage using a standard television, and displaying a specific frame as completely as possible. (Frame) content method, and relates to a browser interface method for browsing a web page used in the method for displaying a web page of the present invention.

 Background technique

 The so-called frame is to divide the browser window into many areas when displaying a web page, and each area is a relatively independent area. For example, the area identified by a table identifier (such as <table>) in a web page (for the content of dividing a web page into areas, please refer to RFC1942, RFC 1866 technical documents at http://www.w3.org) . When designing a web page, the organization of the content of each frame is generally organized into different categories of information in different frames.

 There are many ways to browse network information using a normal TV. For example, all the webpages are directly displayed on the screen of the TV according to a certain ratio; or the webpage information that the user wants to access is reorganized and organized on the server side, and then the new webpage is downloaded to the user who uses the TV to access the Internet; Another is to use digital image processing technology on the client side to scale any part or full image of the original image generated by the local browser to convert high-resolution web page images into videos suitable for display on standard television Signal method.

For the last method, please refer to the patent application of the present inventor's patent application number 00105579.8, "Adaptation Method for Browsing Network Graphic Data Using a Standard Television". The feature of this technology is that users who browse network information using standard televisions or other types of low-resolution monitors can see clear webpage content without destroying the personalized style and layout of the original design of the webpage Art Operative effect.

 In the invention of the inventor mentioned above, it was mentioned that when the original image is scaled arbitrarily, the "observation area" to be processed needs to be determined. In its determination principle, the entire image is viewed as a whole, and the actual Most of the web pages that exist in the real world are organized in frames. For a person who actually browses the web, when he browses network information, he enlarges a part because he is interested in this part of the information, and this part of the information is actually in a specific frame. In the above-mentioned disclosed invention, the determination of the "observation area" that a user can actually see on the television screen does not take into account the framed information of a webpage composed of multiple frames, so it is determined as such " The "viewing area" fails to take into account which part of the entire webpage image the user is actually interested in.

 Fig. 4 shows a schematic diagram of displaying a whole web page on the screen of a television using the above method of the inventor. The range circled by the dotted line in Fig. 4 is the range of one frame. The user moves the cursor to the position indicated by the arrow in the figure, and this position is exactly within the range of the frame indicated by the dotted line. At this time, if the user wishes to enlarge the webpage to make it a little clearer, and directly enlarge it according to the aforementioned "Adaptation Method of Browsing Network Graphic Data Using Standard Television", the "observation" that must be processed The "area" is the area enclosed by the dashed line in Fig. 5. The effect obtained after direct processing is shown in Fig. 6. In the above invention, the basic principle for determining the "observation area" is centered on the cursor position and according to the setting. To determine the zoom ratio. We can see that in the result at this time, the information in the frame that the user is interested in (the frame marked with a dashed line in Figure 4) only takes up a small part of the entire screen, and the rest is not what you want The part to be browsed so that the limited effective display area of the TV is not fully utilized.

On the other hand, the graphic information on the network, such as web pages, has a format that supports framing, and the relative positions of different frames in the entire web page are known. Here, the webpage frame and the boundary information of each frame within the entire webpage image are provided by the browser. The object processed by the browser is an HTML (Hypertext Markup Language) file, and in the HTML format, it has a frame function, that is, when the web page is displayed, the browser window is divided into multiple regions, and each region It is an independent webpage page, which constitutes multiple frames. Through this framing function, the content of the webpage can be divided, thereby providing a brand-new method for browsing the webpage. (See the guide to making Internet pages, People's Posts and Telecommunications Press, 1998, 12). If you can make full use of this framing information, you can provide more flexibility for webpage image processing.

 In the invention of the "Browser and Method for Displaying Images Using the Browser" (application number: 00123435.8) by the present inventor, the browser is divided into a web browser module and a web post-processor module according to functions. After the web browser obtains information from the Internet, it passes the output converter and enters the web post processor. The web post processor processes the image data output by the browser, and then inputs the video such as standard television or high-definition television. Output device for display. The user instruction information input from the user input terminal is also processed by the data of the web page post-processor, converted by the input converter, and then input to the web browser. The function of the web browser module is to parse the HTML language, and the function of the web post processor module is to perform image data processing on the data output by the web browser.

 When a webpage with a framed structure is displayed on a standard television, any part of the original image generated by the web browser or the full image is scaled by the webpage post-processor using the framed information, so that Individual frames can be displayed as completely as possible.

 In the above display process, when a webpage with a framed structure is displayed on a standard television, the webpage post-processor uses the framed information to scale any part of the original image generated by the browser or the full image, so that Individual frames can be displayed as completely as possible on a standard television. This requires converting the information of an image with multiple frames into information that can generate an image of each frame.

However, because the data output by the web browser is a Video stream together, when the webpage post-processor is processing the data of the browser, if the existing data processing method is adopted, it is unable to identify each frame information related to the frame structure, thereby scaling the original image and other image data. During processing, the characteristics of the frame structure cannot be taken into account, so that the displayed image shows only a part of a few frames instead of the entire image of a certain frame, so that the display of the image is not sufficiently effective.

 Furthermore, when using a standard TV to browse the webpage, the user needs to input information such as the frame that he wants to browse and various instruction information through a user input device such as a keyboard or a mouse. For example, the user clicks a certain frame on the screen by using the mouse. Location to indicate that the user wants to browse the content of the frame. At this time, the data flow is that the information input by the user through the input device is passed to the web page post-processor, and then passed to the web browser through the input converter. After receiving the user's input information, the web browser responds to the user's operation. The output data of the browser is refreshed, and then the new data is delivered to the webpage post-processor, which is processed by the webpage post-processor and passed to the video receiving device. Thereby, a corresponding relationship is established between a user input device such as a keyboard and a standard television. However, since the data at the user input end is first processed by the web page post processor, and without a protocol set between the web page post processor and the browser in advance, the browser cannot receive and identify these user information. The processor is also unable to obtain information about the structure of the web page from the browser.

 Disclosure of invention,

 The purpose of the present invention is to solve the above-mentioned shortcomings, and by taking into account the conditions of the frames in the webpage when determining the "observation area", the "observation area" includes as much content as the user is interested in as much as possible.

Another object of the present invention is to establish an interface method between a web browser and a web post processor. By enabling the web browser to output in a specific format, the web post processor can identify the frame structure from the output information. Relevant frame information, so that when displayed in a video display device, each frame information can be converted into a different image frame during actual display. Another object of the present invention is to establish another interface method, so that the webpage post-processor can convert the information input by the user into information in a specific format and pass it to the web browser, and drive the web browser to work according to the user's requirements.

 The technical solution of the present invention is as follows: The present invention provides a method for browsing a webpage by using a standard television as a display device. The original image is scaled by setting a zoom ratio, and a high-resolution image is displayed on the standard television with different display ratios. It is characterized in that, for a webpage structure having multiple frames in a webpage, by obtaining webpage frame information, the boundaries of the zoomed image are compared with the boundaries of the frames in the webpage that the user wants to browse, so that the actual zoomed The area is processed to cover the area of the frame to be viewed as large as possible.

 The method can be implemented by the following steps:

 (A) Obtaining information about the border position of the current frame, the size of the original image area that the current web page post-processor needs to process, and the position of the cursor;

 (B) determining the boundary of the processing area that is centered on the current cursor position and scaled according to the set zoom ratio;

 (C) Detecting whether the boundary of the processing area exceeds the boundary of the frame where the cursor is located, and if it is exceeded, the boundary of the frame where it is located is used as the new boundary to re-determine its corresponding other boundary;

 (D) Repeat step (C) to detect the current boundary until each boundary is within the frame where the cursor is located, or the range determined by the current boundary is the boundary that contains the frame with the most content in the area determined repeatedly.

 (E) transmitting the boundary information of the determined processing range to a webpage post-processor for data conversion suitable for display on a standard television;

 (F) Display the final image area on a standard TV.

The present invention also provides an interface method for a browser for browsing a webpage on a video display device such as a standard television. The browser includes a webpage browser and a webpage post processor, and outputs data including frame information output by the webpage browser. Web browsing The interface structure between the processor and the webpage post-processor enables the webpage post-processor to identify the framed information and display the framed image after processing.

 The data of the framing information includes data of a frame number, a frame position, and a frame size.

 The data in the special format includes information of image data.

 The data in the special format also includes information of data length and data offset. In the interface method of the present invention, the webpage post-processor defines information representing a user instruction input by a user through an input device as an interface structure between a web browser and a web page post-processor, so that the web browser can recognize the instruction information.

 The information input by the user is information related to the cursor position and the meaning of each key on the keyboard.

 In this method, a web browser can generate multiple different image frames from different frames in an HTML file, and store these image frame information in a specific format. The output data in these specific formats can be used by web page post-processing tools to produce video output with different effects. At the same time, some video data with real-time requirements can also be directly output without web page post-processing tools. The interaction between the user and the web browser can be passed to the web browser through the web post-processing tool in a specific input format, and the web browser browses the information on the Internet according to the user's operation information.

 By designing and defining the interface between the web browser and the web post-processor, the present invention enables the web post-processor to reprocess the output and input of the web browser to adapt to different video display devices.

 Brief description of the drawings

 The invention is further described below with reference to the drawings and embodiments.

 FIG. 1 is a hardware environment explaining a preferred embodiment of an existing display adaptation method;

 FIG. 2 is a data flow chart of a module corresponding to the hardware environment of FIG. 1; FIG.

3 is a flowchart of an operation of browsing a webpage according to a preferred embodiment of the present invention; FIG. 4 shows a schematic diagram of displaying a webpage on a TV screen by using the inventor's adaptation method;

 FIG. 5 shows a region to be observed indicated by a dotted line in the display diagram shown in FIG. 4;

 FIG. 6 is an enlarged schematic diagram of a portion surrounded by a dotted line in FIG. 5; FIG.

 7 is an area to be observed and an area of a frame to be viewed in a screen displayed on the television screen shown in FIG. 4;

 FIG. 8 is an enlarged view of an area surrounded by a double dotted line in FIG. 7; FIG.

 FIG. 9 is a schematic diagram of further enlarging the display area of FIG. 8;

 FIG. 10 is a schematic diagram showing that there are other frames on the left side of the current screen when there are other frames outside the current screen;

 Figure 11 is a schematic diagram of the presence of other frames on the upper side of the current screen by using the upper side bar when there are other frames outside the current screen.

 Figure 12 is a functional block diagram of the connection between a browser and a video output device divided into a web browser and a web post-processor module.

 Fig. 13 is an image with a multi-frame structure generated by a browser according to the interface method of the present invention.

 The present invention uses the framed information of the webpage to determine the frame where the information of interest to the user is based on the current cursor position. In this way, when determining the area that can be seen on the television, it covers the frame of interest to the user as much as possible. In order to achieve fuller use of the effective display area on the screen of a common television.

 The parts related to the structure of the browser of the present invention will be described in detail later.

Generally speaking, different categories of content are placed in different frames. As a viewer, he is sometimes interested in certain content. When he uses a television to browse webpage information, he will move the cursor to the area of interest and enlarge the part of the area for easy browsing. To do so, do the following: 1. Obtain three pieces of information: the border position of the frame where the cursor is located, the size of the original image area that the current webpage post-processor needs to process, and the position of the cursor.

 2. Determine the boundary of the processing area with the current cursor position as the center.

 3. Check whether the boundary of the processing area exceeds the boundary of the frame where the cursor is located. If it exceeds the boundary of the frame, use the new boundary as the new boundary to re-determine its corresponding other boundaries.

 4. Detect the current boundary until each boundary meets the frame where the cursor is located, or the range determined by the current boundary is a boundary value that contains the most content of the frame in the area determined repeatedly.

 5. Pass the boundary information of the determined processing range to a webpage post-processor for further processing.

 6. When the webpage information to be processed includes a real-time video image stream (for example, when browsing a website that broadcasts news, movies, etc. in real time), define the real-time video image stream display area as a special frame, and The processing of the frame only changes the proportion. It provides a channel for the browser to bypass the post-processor of the web page, and directly determines the "special frame" to be processed according to the "observation area" determined in the current system. The location of the video data buffer area of the TV interface provides a direct write data channel.

 In step 2 above, the method for determining the boundary of the processing area adopts the adaptation method described in patent application number 00105579.8.

 FIG. 3 is a schematic diagram corresponding to the above-mentioned operation steps 1-6.

As mentioned above, the method of the present invention uses the framed information in the webpage to determine the "observation area" that is more in line with user habits, and also defines a frame with a real-time video image stream as a special frame, and provides The channel of the web page post-processor converts the data of the real-time video image stream directly into the output video data buffer after being scaled. This part of the data is not processed to reduce the calculation strength of the web page post-processor. When the bypass processing unit is specifically implemented, part or all of the data in the frame of the real-time video image stream can be written into the output according to the setting of the "observation area". To output the video buffer, you can also reset the special frame's zoom ratio according to the user's selection and the size of the output video buffer and the special frame of the real-time video data, so that the special frame is displayed in full screen.

 When the determined processing area is limited to one frame due to the enlargement ratio, the content of other frames cannot be seen on the TV's fluorescent screen. At this time, corresponding borders are displayed on the boundaries of the display area of the TV. A prompt message indicates the existence of other frames.

 When the user moves the cursor to the prompt information of other frames, the processing area is automatically switched to the range of other frames. If the edge information of other frames can be seen on the TV screen, when the user moves the mouse to other When the area where the frame is located and the cursor is far enough from the border of the frame (for the definition of far enough, it is determined according to the actual analysis results) will automatically switch the processing area to the range of the frame where the cursor is located.

 After the above steps, the corresponding original webpage image is processed and displayed on the TV screen according to "Adaptation Method for Browsing Network Graphic Data Using a Standard TV".

 The effect of the present invention is shown in FIG. 7. The position of the frame of interest to the user is determined according to the position of the cursor. According to the implementation process described above for the present invention, a new “observation area” can be determined again. In FIG. The area is the "display area" determined according to the adaptation method described in patent application number 00105579.8. The area surrounded by the double dashed line is divided by the frame boundary and the "observation area" that the user wants to browse. This area will follow The method according to the invention is redefined. FIG. 8 is an enlarged view of an area surrounded by a double dotted line in FIG. 7. It can be seen that the information of the frame where the cursor is located occupies most of the area of the TV screen, so that the processing has achieved the purpose of making full use of the TV screen to display the content that the user is more interested in.

In Figure 8, you can see that there are several arrows in the lower left foot. The existence of these arrows is to indicate whether there are other frames around the area displayed on the current screen. Now, with such a prompt, when the web page being viewed is displayed by a non-full page, the user can easily know the existence of other different information areas (because in general, web page writers generally organize information in different categories) In different frames). At the same time, it is also convenient to quickly switch the display area to other frames. For example, by defining arrows in different directions, you can quickly switch the display area to other frames.

 FIG. 9 is a schematic diagram in which the display ratio during browsing can be further enlarged when the user is not satisfied with the display effect of FIG. 8 when browsing. It should be emphasized here that the effect shown above is just an example to illustrate the actual effect of the method of the present invention. In the actual implementation of the method, as long as it does not violate the spirit of the present invention, the specific expression form is allowed to be changed, for example, it appears in the graphs of FIG. 8 and FIG. 9 to indicate whether there are other things around the current screen. The prompt information such as the presence of a frame may have other expressions.

In addition, the method of frame switching can also be implemented in other forms. For example, the prompt for the existence of other frames can also be shown as shown in Figure 10. When the TV can only display the content of a certain frame due to a non-full-screen display, if the current content can be displayed on the TV screen In the case where there are other frames outside the range of the area to be seen, when the user moves the cursor to the edge of the screen, an edge pops up at the edge of the screen to indicate the existence of other frames. The position where the edge appears is the same as It is related to the location of other frames that it prompts. For example, in the case shown in FIG. 10, because there are other frames on the left side of the "viewing area" in the current display situation, the user moves the cursor to the left side. The edge shows a frame on the left side with other frames. When the user moves the cursor position over such a strip and makes a tapping action, the "viewing area" will automatically switch to the corresponding frame. Within the area; as shown in Figure 11 as well, because there are other frames above the currently observed area, the cursor will also automatically pop up when it moves to the top edge of the screen A bar is displayed to indicate that there are other frames on the upper side of the current display area. In addition, when you can see on the screen that the content of other frames is the corresponding frame, the prompt message will not appear.当 "观 When the concept In the case where the border of the inspection area matches the border of the frame, images of other frame boundaries may appear in the display area. At this time, the user can move the cursor according to the user ’s movement of the cursor beyond a certain distance to observe the observation. The requirements for the basic hardware environment of this embodiment switched to the corresponding embodiment are shown in FIG. 1. In FIG. 1, the hardware environment shown includes: a standard television 102, a control interface device 101, a network access device 104, and a central processing unit. Controller 105, interface and conversion device 106, memory 107, etc. Among them, the control interface device 101 may be a mouse, a keyboard, etc .; the network access device 104 may be a modem; the central processing unit 105 includes a basic interface unit; the interface and the conversion device It can be NTSC / PAL, encoder, etc .; the memory 107 has a program storage area (such as ROM, RAM, etc.) 108 and a data storage area 109. The data storage area 1 10 is divided into the original image data storage area 1 10 and output data Storage area 1 1 1.

 The hardware environment necessary to implement this embodiment is indispensable, but it should be emphasized that the method mentioned in the present invention does not depend on some specific hardware and software environments, as long as it can meet the requirements of the present invention. The basic hardware and software requirements of the method can be implemented.

FIG. 2 is a data flow chart of a module corresponding to the hardware environment of FIG. 1. The parts shown by blocks in FIG. 2, that is, the standard television 102, the network access device 104, the interface and conversion device 106, and the control interface device 101 are the same as those in FIG. 1. The functions of the central processing unit 105 and the memory 108 in FIG. 1 may be the browser 201, the Internet module 202, the webpage post processor 208, the frame processing module 207, the audio driver module 209, and the display driver, which are indicated by circles in FIG. Module 211 is implemented by using various storage areas (instruction buffer 206, formatted original webpage image buffer 203, audio data buffer 204, and output video data buffer 210). These function modules are actually modules obtained by abstracting the functions of various software and having the function of processing data according to a predetermined processing method. Such function modules can be specially designed The calculated dedicated hardware chips with the same functions are used to implement these functional modules, and these functional modules can also be implemented using software. The difference is that functions are attributes of software, not hardware.

 The following describes the working process of these functions from the perspective of data flow through FIG. 2: In FIG. 2, 216 is a device for browsing network information with a common television. When the user 100 wishes to browse the information on the network using an ordinary television, he / she can activate various internal function modules through the control interface device 101. The device 216 firstly accesses the Internet 103 through the network access device 104, and obtains Information desired by the user 100. This part of the information is processed by the Internet module 202 to form data that complies with HTTP, FTP and other protocols. After that, the data is sent to the web browser 201 and interpreted into image data for display. At the same time, the web browser 201 interprets the image The size and frame information are stored in a formatted original webpage image storage area 203 in a certain format. Module 208 is a web page post-processor, which is software compiled in accordance with the "adaptation method for browsing graphic data on the Internet using a standard TV set." The frame processing module 207 and the sub-frame processing module 207 determine the area to be processed by the webpage post-processor 208 according to the method of re-determining the "observation area" in the above-mentioned "adaptation method". To process the data in the "observation area" determined by the frame processing module 207 in the original web page image data generated by the browser 201 into video data suitable for display on an ordinary television, and store it in the output video data buffer area 210.

After the processing of one screen is completed, the webpage post processor 208 notifies the display module 21 1, and the display module 21 1 controls the display interface between the television and the conversion device 212, and is responsible for modulating the refreshed video signal and sending it to the ordinary television. Machine 214. In addition, when the webpage to be browsed has real-time video and audio data, the frame processing module 207 also provides the browser 201 a real-time video data channel, allowing the real-time video data generated by the browser 201 to be processed through framing. Provided by Module 207 Real-time video data channel is sent to the output video data buffer area after display scale conversion

Go to 210.

 The following describes a web browser module and a web post-processor module used in the method for displaying a web page by using a standard television.

 The invention establishes an interface method between a web browser and a web post-processor. The interface method enables the data transmitted between the web browser and the web post-processor to have a specific format, so that the web post-processor can identify the frame and frame. Structure-related framing information. The data transmitted by the user to the web browser can be processed by the web post processor and passed to the web browser. As shown in Figure 12, the web browser converts the information related to the frame structure into a specific format output according to the interface method defined in Table 1. The web page post processor generates user information in a specific format according to the interface method defined in Table 2, and passes this information to the web browser.

 When the browser has real-time image data, the browser can also directly write these image data directly into the video buffer of the display device to improve the real-time performance of image playback.

 1. Definition of browser output interface

 The following describes the definition of the browser output interface in detail with reference to Table 1. The numbers "31", "15", and "0" above Table 1 indicate the number of bits.

 Table 1: Interface structure

 31 15

 Header Version

 ID num

 Data Image

 Offset type

 Image Image

 height width

Datalength Frame number

 Reserved

 Frame 1

 Frame 2

Frame n

 Image data

 Image data

 Image data

 Image data

 Image data where:

 header ID: 16 bits, defines the interface ID number, which is used to identify the interface side version num: 16 bits, defines the interface version number, uses data offset: 16 bits for future upgrades, defines the offset address of the image and structure header Image type: 16 bits, which define the image type, such as RGB.YUV. Image Height: 16 bits, which define the image height in unit pixels.

 Image width: 16 bits, which defines the width of the image, unit pixel Data lengh: 32 bits, which defines the length of the image data, unit byte Frame number: 32 bits, defines the number of frames in the image

 Reserved: 32 bits, reserved, used to extend new content during version upgrades, etc.

 Frame n: Frame structure, defined below. .

Image data: Image data The above frames are defined as follows:

 Table 2: Frame structure information

 31 15

 Frame no

 Frame Height Frame width

 FrameoffsetX FrameoffsetY

 Reserved frame no: 32 bits, frame number of this frame

 frame Height: 16 bits, frame image height, unit pixel

 frame width: 16 bits, frame image width, unit pixel

 frame offsetX: 16 bits, the frame image is offset from the line position of the overall image, in units of pixels, based on the upper left of the frame image

 frame offsetY: 16 bits, the frame image is offset from the line position of the overall image, in units of pixels, based on the upper left of the frame image

 Reserved: 32 bits, reserved for expanding new content

 The specific meaning of the definition of the above interface structure is described below with reference to FIG. 13. FIG. 13 is an example of a webpage image with a multi-frame structure generated by a web browser. The header ID is a constant, such as 0x5a5a (hexadecimal). It is assumed that the type of the image is YUV and the type code is (01). The image data length is 66000 bytes. The origin of the image is (0, 0). The image contains five frame images, which are frame 0-4. Each frame image has its own height and width, such as frame image 2, which is offset from the image origin (0, 0) by (60, 20), that is, the row offset is 60 and the column offset is 20. All this information can be stored in the way defined above for use by the web post processor. The specific structure is as follows:

 table 3

31 15 0 0xa5a5 0x01

 128 Ol (YUV)

 110 200

 66000

 5

 Reserved

 Frame 0

 Frame 1

 Frame 2

 Frame 3

 Frame 4

 Image data

 Image data

 Image data

 Image data

 Image data

 The structural information of frame image 2 (frame 2) is:

 Table 4

在上述例中， 对与帧结构相关的分帧信息， 例如各个帧的大 小、 位置等都按照一定的格式进行了定义， 使得网页后处理器能 够对其进行识别， 并对其进行处理， 这样在标准电视机上对各个 2. 对浏览器输入接口的定义

In the above example, the frame information related to the frame structure, such as the size and position of each frame, is defined according to a certain format, so that the web page post-processor can recognize it and process it. On a standard TV 2. Definition of browser input interface

 The definition of the user interface of the webpage post-processor of the present invention is described below. The purpose of defining the post-processor of the web page is to enable the user to convert the input information into user information in a specific format through an input device such as a mouse, a keyboard, etc., and pass it to the browser, and drive the browser to work according to the user's requirements.

 Table 5 Interface structure between webpage post processor and browser input

 31 15 0

 Header Type

 Version Length

 Reserved

 Data

 Data

 Data

 Data

 Data description:

 Header: 16 bits, information header, indicating the start of information

 Type: 16 bits, information type, such as mouse click, keyboard input, etc.

Vesrion: 16 bits, information version, used for version upgrade

 Length: 16 bits, message length, unit byte

 Reserved: 32 bits, reserved for expanding new content

 Data: Information data.

 The specific description is as follows:

 When the user clicks the left mouse button, the information structure is as follows:

Table 6 31 15 0

在这种情况下

under these circumstances

 Header, can be defined as a constant, such as 0x5a5a.

Type, left mouse button type value is 2

 Version with a version value of 1.0

 Length, length 3 bytes

 X is the X-axis mouse position coordinate

 Y is the y-axis coordinate position coordinate

When the user clicks the keyboard, the information structure is as follows: Table 7

 31 15 0

在这种情况下

under these circumstances

 Header, can be defined as a constant, such as 0x5a5a.

Type, keystroke type value is 1

 Version, version value is 1, version 1.0

 Length, 1 byte

Key is the key typed by the user By establishing the above interface structure between the webpage post-processor and the input of the web browser, that is, defining the user information into the special format of Table 5-7, the web browser first determines whether the type of input information is mouse input or keyboard input, and then determines the mouse Or keyboard click. Thereby knowing the content of the user information.

 Example of real-time image data transfer

 In some cases, some real-time data cannot be processed to avoid time delay. The browser can write data directly to the video buffer of the display device. As shown in Figure 13.

 The above describes an embodiment of the present invention. As the functional modules and interfaces in the system have no special connection with the principles of the method mentioned in the present invention, the specific implementation should be emphasized here as long as it does not violate the basics of the present invention The principle can be, without depending on some specific hardware and software environment.

 Industrial applicability

 The present invention uses the framed information of the webpage to determine the frame where the information of interest to the user is based on the current cursor position. In this way, when determining the area that can be seen on the television, it covers the frame of interest to the user as much as possible. In order to achieve fuller use of the effective display area on the screen of a common television.

 By designing and defining the interface between the web browser and the web post-processor, the present invention enables the web post-processor to reprocess the output and input of the web browser to adapt to different video display devices.

Claims

1. A method for browsing a webpage by using a standard television as a display device, scaling an original image by setting a zoom ratio, and displaying a high-resolution image at a different display ratio on a standard television, characterized in that, for a webpage Webpage structure with multiple frames in the webpage frame information The border of the image is compared with the border of the frame in the web page that the user wants to browse, so that the actual zoomed area covers the area of the frame to be viewed as much as possible after processing.  The method for browsing a webpage by using a standard television as a display device according to claim 1, wherein the method can be implemented by the following steps: (A) Obtain information about the border position of the current frame, the size of the original image area that the current web page post-processor needs to process, and the position of the cursor;  (B) Determine the boundary of the processing area that is centered on the current cursor position and scaled according to the set zoom ratio;  (C) Detecting whether the boundary of the processing area exceeds the boundary of the frame where the cursor is located, and if it is exceeded, the boundary of the frame where it is located is used as the new boundary to re-determine its corresponding other boundary;  (D) Repeat the steps of (C) to detect the current boundary until each boundary is within the frame where the cursor is located, or the range determined by the current boundary is the boundary with the most content of the frame contained in the repeatedly determined area;  (E) transmitting the boundary information of the determined processing range to a webpage post-processor for data conversion suitable for display on a standard television;  (F) Display the final image area on a standard TV. The method according to claim 1 or 2, characterized in that, when the zoom ratio makes the determined processing area completely inside one frame of the webpage and the content of other frames cannot be seen, a prompt can be set on the display screen Message, indicating the existence of other frames. The method according to claim 3, wherein the prompt information is an arrow or a bar at an edge of the screen.  5. The method according to claim 3, wherein when the cursor is moved to an area where other frames are located, the processing area is automatically switched to the frame area where the cursor is located.  6. The method according to claim 2, wherein when the webpage information to be processed includes a real-time video data stream, the following processing is performed: defining the real-time video data stream display area as a special frame; Read the current "observation area" settings and read the format information of special frames; calculate the ratio of the real-time video data stream mapped to the output video buffer; directly write the real-time video data stream to the output video buffer after scaling.  7. The method according to claim 5, wherein part or all of the real-time video data can be written into the output video buffer according to the setting of the "observation area".  8. The method according to claim 5, characterized in that, according to the size of the special frame of the output video buffer and the real-time video data, the scaling ratio of the special frame can be reset, so that the special frame is displayed in full screen.  An interface method for a browser for browsing a webpage on a video display device such as a standard television, the browser comprising a webpage browser and a webpage post-processor, characterized in that the output of the webpage browser including frame information is The data is defined as an interface structure between a web browser and a web post-processor, so that the web post-processor can identify the framed information and display a framed image after processing.  The interface method according to claim 9, wherein the data of the frame information includes data of a frame number, a frame position, and a frame size.  The interface method according to claim 9, wherein the data in the special format includes information of image data. The interface method according to claim 9, wherein the special The formatted data also includes data length, and data offset information.  13. The interface method according to claim 9, wherein the interface method converts output data of the web browser into data of the interface structure through an output converter connected to the web browser, and stores the data in the interface structure. Device.  The interface method according to claim 9, wherein the webpage post-processor defines information representing a user instruction input by a user through an input device as an interface structure between a web browser and a web-page postprocessor, thereby The web browser can recognize the instruction information.  The interface method according to claim 14, wherein the information input by the user is information related to the cursor position and the meaning of each key on the keyboard.  16. The interface method according to claim 14, wherein the interface method is implemented by an input converter connected to a webpage post processor.