Image output apparatus and image output method

A technology of image output and image frame, applied in the direction of digital output to display devices, etc., can solve the problem of unacceptable cost for users, and achieve the effect of reducing cost, reducing complexity and saving cost

Active Publication Date: 2016-01-20
XIAN NOVASTAR TECH
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Problems solved by technology

The traditional computer + sending card + receiving card LED display synchronous control system solution has irreplaceable advantages in its loading and real-time refresh, but at the same time, the cost often makes some users who do not have high requirements for loading Difficult to accept

Method used

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  • Image output apparatus and image output method

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Embodiment Construction

[0018] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0019] See figure 1 , an image output device 10 proposed by an embodiment of the present invention is applied to a video playback device based on an embedded operating system. Here, the embedded operating system is but not limited to the Android operating system, and the video playback device is, for example, a video playback box with an ARM processor and an Ethernet port such as a Gigabit Ethernet port, and the Ethernet port is connected to the receiving card (a kind of display controller) to drive LED displays such as RGB tricolor full-color LED displays.

[0020] Such as figure 1 As shown, the image output device 10 of the present embodiment includes: an image data acquisition module 11, an image data block queue buffer 12, a data...

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Abstract

The present invention relates to an image output apparatus and method. The image output apparatus comprises: an image data acquisition module for collecting an image frame output by a media player in a video playing device, and putting the image frame as an image data block into an image data block queue cache; a data processing module for processing the image data block in the image data block queue cache according to the size of a display area of a target display screen to obtain an image frame information description corresponding to the size of the display area, and putting the image frame information description into a loop cache; and an image data transmission module for reading the image frame information description in the loop cache, and transmitting the image data block in the image data block queue cache in a preset data format according to the image frame information description. According to the apparatus and the method provided by the present invention, a software module is mainly used to achieve the purpose that the image is output to the target screen such as an LED display screen to be displayed, so that the cost can be reduced and the system complexity can be lowered.

Description

technical field [0001] The invention belongs to the field of display technology, and in particular relates to an image output device and an image output method. Background technique [0002] With the development of the information age, the application of LED asynchronous full-color displays is becoming more and more extensive, and the market is becoming more and more sensitive to its cost. The traditional computer + sending card + receiving card LED display synchronous control system solution has irreplaceable advantages in its loading and real-time refresh, but at the same time, the cost often makes some users who do not have high requirements for loading hard to accept. At this stage, embedded operating systems such as Android and their related smart devices have developed to a very mature stage. If they can be applied to the LED display industry, on the one hand, it can save costs for users, and on the other hand, it can give full play to its operating system ecology. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14
Inventor 成智刚刘延王伙荣
Owner XIAN NOVASTAR TECH
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