4 Image Slideshow Video

Test Display 4 images as a slideshow. The transition effect can be changed. Display time per image can be adjusted. With 30 frames per image, the video length is 3 seconds; with 60 frames, 6 seconds. Because it continuously displays “latter half of the image + transition + former half of the image,” the beginning and end are shorter.

2026/5/23 To reduce rising costs, the blur effect (blur radius).
Also changed the image upscale method (upscale method) from lanczos (high quality but slow) to bicubic (good balance of quality and speed).