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Video proxy server

  • US 7,099,953 B2
  • Filed: 05/09/2002
  • Issued: 08/29/2006
  • Est. Priority Date: 05/10/2001
  • Status: Active Grant
First Claim
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1. A video proxy server, which is provided between a content server storing video data and a terminal capable of video playback, for receiving the video data from the content server, caching the video data, and streaming the video data to the terminal for playback, said video proxy server comprising:

  • a request receiving section for receiving a request from the terminal;

    a video receiving section for receiving the video data from the content server based on the request from the terminal;

    a video cache section for caching the video data received by said video receiving section; and

    a video streaming section for streaming the video data cached by said video cache section to the terminal, wherein;

    when said request receiving section receives a playback request, said video receiving section is operable to start a video receiving operation of receiving the video data from the content server;

    when said request receiving section receives a seek playback request while said video receiving section is executing the video receiving operation, said video receiving section is operable to start receiving video data after a seek position from the content server while continuing the video receiving operation;

    said video cache section includesa cache area for caching the video data received by said video receiving section from the content server, anda temporary cache area for temporarily caching the video data after the seek position received by said video receiving section from the content server; and

    when said request receiving section receives the seek playback request, said video cache section is operable to cache in said temporary cache area the video data after the seek position while an operation of caching the video data in said cache area is not interrupted.

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