Method for processing data, and system, system controller and mudure controller

1. A method for processing data, comprising the following steps:

receiving input image data;

storing the image data into a memory;

reading target image data from the memory according to loaded area information of at least one output portal, wherein the output portal is electrically connected with a display screen, and the loaded area information of the output portal characterizes a target display area of the display screen;

compressing the target image data to reduce the data volume of the target image data to meet a output bandwidth of the output portal to obtain compressed image data characterized by a plurality of image data packets; and

outputting the compressed image data through the output portal;

wherein each image data packet comprises identification codes of corresponding module controllers in the plurality of cascaded module controllers, the identification codes in the image data packet are used for identifying, by each module controller under the output portal, the image data to be loaded by the module controller.

2. The method for data processing as claimed in claim 1 , wherein a resolution size of the target display area is 1080P.

3. The method for processing data as claimed in claim 1 , wherein the compression processing comprises: changing a coding format of each pixel data in the target image data.

4. The method for processing data as claimed in claim 1 , wherein the target display area of the display screen is driven and controlled by a plurality of cascaded module controllers, and a first-stage module controller of the plurality of cascaded module controllers is connected with the output portal through a cable.

5. A method for processing data, comprising the following steps:

receiving an image data packet through an input portal to obtain compressed image data, wherein the input portal is a portal on a module controller electrically connected with a target display area of a display screen;

decompressing the compressed image data to obtain decompressed image data;

storing the decompressed image data into a memory;

reading decompressed image data corresponding to the module controller from the memory; and

driving and controlling the target display area of the display screen to carry out image display according to the read decompressed image data corresponding to the module controller;

wherein each image data packet comprises identification codes of corresponding module controllers in the plurality of cascaded module controllers, the identification codes in the image data packet are used for identifying, by each module controller under the input portal, the image data to be decompressed by the module controller.

6. The method for processing data as claimed in claim 5 , wherein before the decompressing the compressed image data to obtain decompressed image data comprising:

parsing a module controller identification code contained in the image data packet; and

judging whether the module controller identification code is matched with the local identification code or not, to be used for determining whether to carry out decompression processing.

7. The method for processing data as claimed in claim 5 , wherein the reading of decompressed image data corresponding to the module controller from the memory comprises:

intercepting the decompressed image data to obtain the decompressed image data corresponding to the module controller;

before the decompressing the compressed image data to obtain decompressed image data, the method further comprises the following steps:

forwarding the image data packet to a next-stage module controller cascaded with the module controller.

8. The method for processing data as claimed in claim 5 , wherein the driving control of the target display area of the display screen for image display according to the read decompressed image data corresponding to the module controller comprises:

carrying out luminance correction and color gamut adjustment processing on the read decompressed image data corresponding to the module controller to obtain corrected image data; and

driving and controlling the target display area of the display screen to display the image according to the corrected image data.

9. A system for processing data, comprising:

a system controller comprising at least one output portal;

at least one module controller, each of which comprising at least one input portal, wherein the input portal of a first-stage module controller in the at least one module controller is connected with the output portal of the system controller through a cable;

wherein the system controller is used for executing the method for processing data as claimed in claim 1 ; the module controller is used for executing the method for processing data as claimed in claim 5 .

10. The system for processing data as claimed in claim 9 , wherein the system controller, comprising:

a video interface;

an image processor connected with the video interface;

a memory connected with the image processor;

at least one output portal connected with the image processor;

wherein the image processor is used for executing the method for processing data as claimed in claim 1 .

11. The system controller of claim 10 , wherein the image processor comprises:

a video decoder connected with the video interface;

a programmable logic device respectively connected with the video decoder, the memory and the at least one output portal; and

a microcontroller connected with the programmable logic device.

12. The system for processing data as claimed in claim 9 , wherein the Module controller, comprising:

at least one input portal;

a programmable logic device connected with the at least one input portal;

a microcontroller connected with the programmable logic device;

a memory connected with the programmable logic device;

wherein the programmable logic device is used for executing the method for processing data as claimed in claim 5 .