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Information output display method and device

A technology of information output and display method, which is applied in the field of communication, can solve problems such as low output efficiency, inability to output video to a designated location, and high CPU and graphics processor occupancy, so as to increase frame rate, improve user experience, and save Effect of Bus Bandwidth

Inactive Publication Date: 2018-05-11
SANECHIPS TECH CO LTD
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Problems solved by technology

[0004] In order to solve the above-mentioned technical problems, the embodiments of the present invention expect to provide a method and device for information output and display, which solves the problem of low output efficiency or high occupancy of the central processing unit and graphics processing unit in the existing methods, and also Or there is a problem that the video cannot be output to the specified location, which saves the bus bandwidth, improves the frame rate when the system plays the video, and realizes the arbitrary output of the video location. At the same time, it significantly reduces the power consumption of the device and improves the user experience

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  • Information output display method and device

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Embodiment Construction

[0056] figure 1 It is a schematic flowchart of an information output display method in the prior art. Such as figure 1 As shown, this output display method is driven by the player (MediaPlayer) multimedia service (MediaServer), managed by the MediaServer through the interface of the Android (Android) frame buffer hardware abstraction layer module (gralloc module) for each video layer. Or multiple video layer buffers, allocate one or more image layer buffers for each image layer, MediaServer manages filling video data into the corresponding video layer buffer, filling image data into the corresponding image layer buffer, MediaServer Fill the data in the video layer buffer into the corresponding video layer according to the content to be displayed in this frame, fill the data in the image layer buffer into the corresponding image layer, and then fill the video layer and The graphics layer is mixed and superimposed according to the Z-order (Z-axis order) information through Sur...

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Abstract

The embodiment of the invention discloses an information output display method. The method comprises the following steps: calculating hybrid overlapping display parameters of a video layer and an image layer; screening first parts of image layers in the video layer and the image layer; outputting the video layer and the first parts of image layers to a first processor; outputting second parts of image layers to a second processor and the first processor; and displaying the video layer processed by the first processor, the first parts of image layers and the second parts of image layers according to the hybrid overlapping display parameters. The embodiment of the invention also discloses an information output display device.

Description

technical field [0001] The invention relates to information processing technology in the communication field, in particular to an information output display method and device. Background technique [0002] At present, smart TV set-top boxes for multimedia video playback have gradually replaced traditional TV sets and entered human daily life. More and more users choose to watch digital TV programs through set-top boxes. The image that the user watches on the TV terminal screen through the set-top box belongs to the image layer, while the TV program watched belongs to the video layer. During the content display process of the TV screen, the set-top box usually reads the source data from the server and writes the read source data to the Then the display device driver in the set-top box reads the target data from the video memory at regular intervals and refreshes it on the screen to display the content represented by the source data. [0003] In the existing multimedia video ...

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Application Information

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IPC IPC(8): H04N21/431
CPCH04N21/431H04N21/4312
Inventor 唐成
Owner SANECHIPS TECH CO LTD
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