Video data processing method and device, video display method and device, electronic equipment and readable storage medium

The invention relates to a video data processing method, a video display method and device, an electronic device and a readable storage medium, and the method improves the display effect when a terminal device displays an SDR video through the improvement of a mapping curve construction method, and is specifically characterized in that compared with the prior art, the mapping curve of each frame of video image is dynamically constructed in real time, so that the display effect of the terminal device is improved. The gamma curve is not a single and unchanged gamma curve; besides, according to the technical scheme provided by the invention, when the mapping curve of each frame of video image is constructed, the display characteristics of the frame of video image before mapping and the display characteristics of the terminal equipment after mapping are considered, so that the video images containing different picture hues can adapt to the terminal equipment with different display characteristics, and the image q