CN1588530A - Video display device and method with transparency effect - Google Patents

Abstract

A video display device with transparent effect and method thereof. The device comprises a first buffer memory, a second buffer memory, a third buffer memory, a mixing engine and a display engine. The first buffer memory stores a video source. The second buffer memory stores a screen display source data. The third buffer memory stores a transparency parameter and a position information corresponding to at least one partition, wherein the transparency parameter is used for determining the transparency degree corresponding to the partition position in the video source. The mixing engine implements a transparent effect on the video source and the data of the corresponding partition in the screen display source data according to the transparent effect parameter and the position information, so as to obtain mixed source data. And the display engine captures the mixed source data by the mixing engine and displays the mixed source data.

Description

Video display device and method with transparency effect

technical field

The present invention relates to video display, in particular to a video display device and method with alpha effect.

Background technique

Due to the convenient collection and convenience of digital information, the application of digital information is growing rapidly. For example, using a personal computer to play VCD, DVD, or other video images has become one of computer multimedia entertainment.

Generally speaking, when a personal computer plays video images, it usually uses a playback medium to play the video images through a window. Especially when the video image is played in full screen mode, it can visually meet the best needs of users. However, since a personal computer can handle different operations at the same time, for example, playing video images, sending and receiving emails, and receiving real-time messages at the same time, if the playback medium plays the video images in full-screen mode, the video image screen will be covered Other operating information on the computer screen, such as the desktop screen, etc. For example, assume that the desktop screen 100 of the personal computer includes 5 shortcuts A, B, C, D and E, as shown in FIG. 1 . When the personal computer intends to play video in full-screen mode, the video image 200 will completely cover the desktop image 100, as shown in FIG. 2 .

In a known processing method, when an email or real-time message is newly received, a pop-up window will be displayed on the video image being played to notify the user of the relevant information. Taking FIG. 3 as an example, when an email is received, a pop-up window 300 will be displayed on the video screen 200 to notify the user of relevant information. For users who are enjoying video images, this pop-up window will appear very abrupt, and when the system frequently receives relevant information and often displays pop-up windows, it will also increase the frequency and complexity of the user's corresponding processing operations . For users, the known video display technology is very inconvenient.

Contents of the invention

In view of this, the present invention aims to solve the aforementioned problems.

Therefore, the object of the present invention is to provide a video display device and method with transparency effect. Through the present invention, the partial area of the video image being played can be made transparent, so that the user can see other operation information on the computer screen, such as the desktop image and the like.

In order to achieve the above object of the present invention, the aforementioned related problems can be solved by the video display device and method with transparency effect of the present invention. The video display device with transparency effect according to the embodiment of the present invention includes a first buffer memory, a second buffer memory, a third buffer memory, a mixing engine and a display engine. A video source is stored in the first buffer memory. A screen display source data is stored in the second buffer memory. A transparency effect parameter and a position information corresponding to at least one partition are stored in the third buffer memory, wherein the transparency effect parameter is used to determine the degree of transparency corresponding to the location of the partition in the video source. The mixing engine implements a transparency effect on data in corresponding partitions in the video source and the screen display source data according to the transparency effect parameters and the position information, so as to obtain a mixed source data. The display engine receives the mixed source data from the mixing engine, and displays the mixed source data.

The video display device with transparency effect of the present invention also includes a video engine for playing the video source and decoding the video source in advance.

The mixing engine also converts the transparency effect parameters and position information, so that the transparency effect parameters and position information conform to the image format of the video source and screen display source data.

According to another embodiment of the present invention, the present invention provides a video display method with a transparency effect. Firstly, a video source, a screen display source data, a transparency effect parameter and a position information corresponding to a partition are received, wherein the transparency effect parameter is used to determine the degree of transparency of the corresponding partition position in the video source. Then, according to the transparency effect parameters and the location information, a transparency effect is implemented on the data of the corresponding partitions in the video source and the screen display source data, so as to obtain a mixed source data. Afterwards, the blended source data is displayed.

Similarly, the method of the present invention also includes decoding the video source in advance. In addition, it also includes converting the transparency effect parameters and position information, so that the transparency effect parameters and position information conform to the image format of the video source and the screen display source data.

The above-mentioned method of the present invention can be recorded in a physical medium in the form of program code. When the program code is loaded and executed by the machine, the machine becomes an apparatus for implementing the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

Description of drawings

Figure 1 shows a desktop screen.

FIG. 2 shows a video frame played in full screen.

Figure 3 shows the pop-up window on the video screen.

FIG. 4 is a schematic diagram showing the architecture of a video display device with a transparency effect according to an embodiment of the present invention.

FIG. 5 is a flow chart showing the operation process of the video display method with transparency effect according to an embodiment of the present invention.

FIG. 6 is a schematic diagram showing a storage medium storing a computer program for providing a video display method with a transparency effect.

Description of reference symbols

100～desktop screen; A, B, C, D, E～shortcut icons; 200～video screen; 300～pop-up window; 400～video display device; 410～video engine; 420～first buffer memory; 421～ Video source; 430～second buffer memory; 431～screen display source data; 440～third buffer memory; 441～data related to transparency effect; 450～mixing engine; 460～display engine; 470～display device; 480～user Interface; S510, S520, ..., S560~operation steps; 600~computer system; 610~storage medium; 611, 612, 613,~program code.

Detailed ways

As mentioned above, the present invention provides novel devices and methods to solve the aforementioned problems of known video display.

FIG. 4 is a schematic diagram showing the architecture of a video display device with a transparency effect according to an embodiment of the present invention. The video display device 400 with transparency effect according to the embodiment of the present invention includes a video engine 410, a first buffer memory 420, a second buffer memory 430, a third buffer memory 440, a mixing engine 450 and a display engine 460 .

The video engine 410 is used to read and decode the information source 421 into a format that the computer system can understand and play, and then play it. The information source 421 can be VCD, DVD, MPEG files or other video image data. The first buffer memory 420 stores the information source 421 decoded by the video engine 410 .

On-screen source data 431 is stored in the second buffer memory 430 . It should be noted that the screen display source data 431 can be controlled and provided by the operating system or other application programs in the computer system.

The third buffer memory 440 stores related data 441 corresponding to the transparency effect to be performed. The transparency effect related data 441 may include transparency effect parameters and location information corresponding to different partitions. Wherein, the transparency effect parameter is used to determine the degree of transparency corresponding to different partition positions in the video source 421 . The location information can determine the locations and ranges of different partitions in the video source 421 . It should be noted that the transparency effect related data 441 can be preset by the video display device 400 or received through the user interface 480 . The user can define the position and range of the transparency effect and the degree of transparency to be implemented when the video source 421 is played through the user interface 480 . In addition, the third buffer memory 440 may be located in a transparency effect engine (not shown), and perform relevant conversion or data transfer on the transparency effect related data 441 according to the instructions of the transparency effect engine.

In addition, the video display device 400 of the present invention can provide two types of transparent effects: a single block transparent effect and a multi-block transparent effect. The user can also select a single block transparency effect or a multi-block transparency effect through the user interface 480 . A single block transparency effect means that the entire video source 421 will apply a transparency effect parameter. When performing a single block transparency effect, the transparency effect engine only needs the transparency effect parameters, not the location information of the partition. The multi-block transparency effect means that the video source 421 will be divided into multiple partitions, and each partition has its own transparency effect parameters. Users can achieve different video display effects by setting the transparency effect parameters of different partitions.

The mixing engine 450 is based on the transparency effect related data 441 stored in the third buffer memory 440 for the video source 421 stored in the first buffer memory 420 and the screen display source data 431 stored in the second buffer memory 430. A transparency effect is applied to the data, resulting in a blended source data.

The formula used in the transparency effect is shown below:

[r, g, b] _BSD = α [r, g, b] _VS + (1-α) [r, g, b] _OSDS ,

Among them, [r, g, b] _VS is the video source 421, [r, g, b] _OSDS is the on-screen display source data 431, α is the transparency effect parameter, and [r, g, b] _BSD is the mixed source data. It should be noted that the above transparency effect formula is just an example, and the image representation mode and parameters in the formula can be modified arbitrarily, and the present invention is not limited to any transparency effect formula.

The mixing engine 450 can also convert the transparency effect related data 441 so that the transparency effect related data 441 conforms to the image format of the video source and the screen display source data. It should be noted that the related conversion operation of the transparency effect related data 441 can also be performed by the transparency effect engine.

The display engine 460 receives the mixed source data from the mixing engine 450 , and transmits the mixed source data to a display device 470 , such as a computer screen, for displaying the mixed source data on the display device 470 .

FIG. 5 is a flow chart showing the operation process of the video display method with transparency effect according to an embodiment of the present invention.

First, in step S510, a video source is received and the video source is decoded. After that, in step S520, a screen display source data is received. The screen display source data can be controlled and provided by the operating system or other application programs in the computer system. Next, in step S530, data related to the transparency effect is received. Wherein, the data related to the transparency effect may include transparency effect parameters and location information corresponding to different partitions, wherein the transparency effect parameters are used to determine the degree of transparency of the location of the corresponding partition in the video source. Similarly, when a single-block transparency effect is performed, the transparency effect-related data may only include the transparency effect parameters without the location information of the partition, and when a multi-block transparency effect is performed, the transparency effect-related data includes each partition The transparency effect parameters and position information of .

Next, in step S540, the data related to the transparency effect is converted so that the data related to the transparency effect conforms to the image format of the video source and the screen display source data. Afterwards, as in step S550 , a transparency effect is implemented on data in corresponding partitions in the video source and screen display source data according to the transparency effect parameter and the position information, so as to obtain a mixed source data. Finally, in step S560, the mixed source data is displayed on the display device.

In an implementation situation, the transparency effect parameter of the upper edge part of the video source can be set to 1 (transparency effect is not implemented), and the transparency effect parameter of the lower edge part is set to a smaller value, so that the lower edge part It can be displayed transparently, and the working status of the toolbar on the desktop can be checked on the screen. And when other application programs must notify relevant information in real time while playing the video, it can be displayed on the desktop corresponding to this lower edge part, without affecting the normal play of the video.

FIG. 6 is a schematic diagram showing a storage medium storing a computer program for providing a video display method with a transparency effect. The computer program product includes a storage medium 610 usable in the computer system 600 having stored computer readable program code. The computer-readable program code includes at least program code 611 for receiving video source, screen display source data and transparency effect-related data including transparency effect parameters and position information corresponding to at least one partition, and program code 612 for according to the transparency effect The relevant data implements a transparency effect on the data in the corresponding partitions of the video source and the screen display source data, so as to obtain the mixed source data and the program code 613 for displaying the mixed source data.

Therefore, with the video display device and method with transparency effect of the present invention, it is possible to perform a transparency effect on a part of the video image being played, so that the user can see other operating information on the computer screen, so as not to affect the video playback. Under the quality of the computer system, other information in the computer system can be mastered. At the same time, the flexibility and convenience of video display can be greatly improved.

The method and system of the present invention, or specific forms or parts thereof, may be contained in a physical medium in the form of program code, such as a floppy disk, an optical disk, a hard disk, or any other machine-readable (such as a computer-readable ) storage medium in which, when the program code is loaded and executed by a machine such as a computer, the machine becomes an apparatus for participating in the present invention. The method and device of the present invention can also be transmitted in the form of program code through some transmission media, such as wires or cables, optical fibers, or any transmission mode, wherein when the program code is received, loaded and executed by a machine, such as a computer , this machine becomes a device for participating in the present invention. When implemented on a general-purpose processor, the program code combines with the processor to provide a unique device that operates similarly to application-specific logic circuits.

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those skilled in the art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The protection scope of the invention shall be determined by the claims of the present invention.

Claims (10)

1. A video display device with transparency effect, comprising: a first buffer memory for storing a video source; A second buffer memory, storing a screen display source data; a third buffer memory, storing a transparency effect parameter and a location information corresponding to a partition, wherein the transparency effect parameter is used to determine the degree of transparency of the location of the corresponding partition in the video source; a mixing engine, for implementing a transparency effect on the video source and the data corresponding to the partition in the screen display source data according to the transparency effect parameter and the position information, so as to obtain a mixed source data; and A display engine receives the mixed source data from the mixing engine and displays the mixed source data. 2. The video display device with transparency effect as claimed in claim 1, wherein the display engine transmits the mixed source data to a display device, so as to display the mixed source data on the display device . 3. The video display device with transparency effect as claimed in claim 1, further comprising a video engine for playing the video source and decoding the video source in advance. 4. The video display device with transparency effect as claimed in claim 1, wherein the mixing engine also converts the transparency effect parameter and the position information, so that the transparency effect parameter and the position information conform to the video source and the screen Displays the image format of the source data. 5. The video display device with transparency effect as claimed in claim 1, further comprising a user interface for receiving the transparency effect parameter and the location information corresponding to the partition. 6. A video display method with a transparent effect, comprising the following steps: receiving a video source; Receive a screen display source data; receiving a transparency effect parameter and a location information corresponding to at least one partition, wherein the transparency effect parameter is used to determine the degree of transparency of the location of the corresponding partition in the video source; Implementing a transparency effect on data corresponding to the partition in the video source and the screen display source data according to the transparency effect parameter and the position information, so as to obtain a mixed source data; and Display the mixed source data. 7. The video display method with transparency effect as claimed in claim 6, further comprising transmitting the mixed source data to a display device, so as to display the mixed source data on the display device. 8. The video display method with transparency effect as claimed in claim 6, further comprising decoding the video source. 9. The video display method with transparency effect as claimed in claim 6, further comprising converting the transparency effect parameter and the position information, so that the transparency effect parameter and the position information conform to the video source and the screen display source data image format. 10. The video display method with transparency effect as claimed in claim 6, further comprising receiving the transparency effect parameter and the position information of the corresponding partition through a user interface.

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