Aerial display task rotation processing system based on block-type storage operation

The invention discloses an aerial display task rotation processing system based on block-type storage operation. The system comprises an external memory, and a tile block writing module, a tile blockreading module, a tile block rotating module, a video frame caching module and a video time sequence reconstruction module which are realized by an FPGA. The tile block writing module divides a videoframe into a plurality of tile blocks and writes the tile blocks into the external memory. The tile block reading module reads the tile blocks from the external memory according to the arrangement sequence of the tile blocks after the video is rotated and stores the tile blocks into an RAM array. The tile block rotating module reads the tile blocks from the RAM array and rotates the tile blocks according to the rotating direction, rotated video data is written into the external memory through the video frame caching module, and the video time sequence reconstruction module reads out rotated video frames in an external