Video processing method and system, video playback system, apparatus, device, and medium

A video processing system, comprising:

• a memory storing computer programs;
• and
• a processor, wherein the processor is configured to perform the computer programs to:
• schedule an input video frame;
• process the input video frame into a plurality of output video frames through image processing based on display parameters of the input video frame when the input video frame is displayed, wherein each output video frame corresponds to a partial region in the input video frame, and the display parameters comprise at least one of a video format and a resolution, the image processing comprises a segmentation processing for segmenting a current video frame into a plurality of sub-video frames, and the plurality of sub-video frames correspond to the plurality of output video frames, respectively;
• and
• display the plurality of output video frames on a plurality of display devices respectively, so that the output video frames are displayed on a spliced large screen obtained by splicing the plurality of display devices according to the display parameters.