Abstract: Provided is a video playback device 2 including: a scene selection unit 211 for a user to select a certain scene contained in video data 322; a scene selection accepting unit 212 for accepting selections of divided files to be downloaded from a server 3, in accordance with inputs by the scene selection unit 211; a download instruction unit 213 for giving instructions to download the divided files that have been accepted by the scene selection accepting unit 212 and are to be downloaded; a playback video generation unit 214 for generating playback video data 222 as part of the video data 322, from the divided files downloaded based on the instructions of the download instruction unit 213; and a video playback device storage unit 22 for storing the playback video data 222 that are playable on a display unit 25.

Abstract: Provided is a video tagging device for tagging appended tags and/or comments to a video in time synchronization therewith while seeing a video recording subject of the video instead of watching video footage.

Abstract: A video image reproduction device transmits a search request in accordance with a search condition of video image data to an external device, generates window data in accordance with the search result when a response including the search result identifying a plurality of pieces of video image data in accordance with the search request is received from the external device, and obtains divisional files corresponding to reproduction starting portions in the plurality of respective pieces of video image data identified by the search result. Further, the video image reproduction device starts, when receiving a reproduction instruction for one of the plurality of pieces of video image data after displaying a window based on the window data, reproduction of a divisional file of the video image data for which the reproduction instruction has been received from among the plurality of obtained divisional files.

Abstract: A video image reproduction device transmits a search request in accordance with a search condition of video image data to an external device, generates window data in accordance with the search result when a response including the search result identifying a plurality of pieces of video image data in accordance with the search request is received from the external device, and obtains divisional files corresponding to reproduction starting portions in the plurality of respective pieces of video image data identified by the search result. Further, the video image reproduction device starts, when receiving a reproduction instruction for one of the plurality of pieces of video image data after displaying a window based on the window data, reproduction of a divisional file of the video image data for which the reproduction instruction has been received from among the plurality of obtained divisional files.

Abstract: A video playback device includes a processor that executes a procedure. The procedure includes, for plural respective videos, receiving designations of widths in a vertical direction or in a horizontal direction within display regions of the videos, and adjusting the relative display sizes between the plural videos such that the display sizes of the widths designated for the plural respective videos are equivalent.

Abstract: A video playback device includes a processor that executes a procedure. The procedure includes: for each of plural videos, receiving designations of positions in display regions of the videos; and adjusting a placement position in the display regions of the plural videos such that the positions designated for each of the plural videos are aligned at the same position in a vertical direction or a horizontal direction.