Method for discontinuous transmission, in sections, of data in a network of distributed stations, as well as a network subscriber station as a requesting appliance for carrying out a method such as this, and a network subscriber station as a source appliance for carrying out a method such as this

  • US 8,195,828 B2
  • Filed: 11/12/2004
  • Issued: 06/05/2012
  • Est. Priority Date: 11/14/2003
  • Status: Active Grant
First Claim
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1. A method for discontinuous transmission, in sections, of encoded video data in a network of distributed appliances, the method comprising the following steps:

  • creation of an HTTP GET request for requesting a fast search operation of an original video stream, the request stating a playback speed parameter and an initial position and optionally at least one parameter selected from a group of parameters consisting of file name, file type, path, and playback direction;

    transmission of the HTTP GET request to a source appliance; and

    discontinuous transmission, in sections, of selected video frames of an original encoded video stream from the source appliance to a destination appliance in a HTTP response using an extended HTTP chunked transfer encoding mode, in which the selected encoded video frames for the fast search operation are transported in respective chunks, wherein each chunk includes one complete respective selected encoded video frame in a second part and information about a starting time, as located in the original encoded video stream, of the respective selected video frame in a first part, wherein the second part is different from the first part and the information about a starting time of the respective selected video frame being positioned in a commentary line of the first part.

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