Video distribution device, video distribution method, and program

A video distribution device comprising:

• a transmission range determinator that receives information, indicating a display position for a video gallery display screen from a terminal device, the transmission range determinator determining, as a transmission range for video gallery data in which display images of video data items are arranged, a range at approximately a center of which the display position indicated by the received information is positioned and which has a size greater than a possible display range of the terminal device;
• and
• a video gallery display screen generator that generates the video gallery display screen in which the display images of the video data items included in the transmission range determined by the transmission range determinator are arranged according to an arrangement of the display images of the video data items which is defined by the video gallery data, wherein the video gallery display screen generator distributes the generated video gallery display screen to the terminal device;
• wherein among the display images of the video data items in the video gallery display screen, an outermost image included in the display range of the terminal device in the video gallery display screen is displayed in a manner such that part of the outermost image is cut by an outer periphery of the display range;
• and
• in the video gallery display screen, the display images of the video data items have the same size and are arranged in a vertical direction and a horizontal direction.