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Stream data processing device, stream data processing method, program, and medium

  • US 20040215803A1
  • Filed: 05/12/2004
  • Published: 10/28/2004
  • Est. Priority Date: 04/02/2002
  • Status: Active Grant
First Claim
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1. A stream data processor of processing and editing one or a plurality of data streams, comprising one or a plurality of stream input portions of receiving an input data stream and performing detection of a packet header and data transfer to a buffer of storing packets;

  • an arbitration portion of performing arbitration of a request of data transfer to the buffer of storing packets;

    a buffer cell allocation directing device of directing allocation of a buffer cell, one of buffers, for input of the packet header;

    a buffer cell allocator of allocating an unused buffer cell based on buffer cell allocation information, according to the direction of allocation of the buffer cell;

    a buffer cell allocation information storing portion of storing the buffer cell allocation information;

    a packet buffer of storing the packet data;

    a packet buffer controller of controlling the packet buffer;

    a process-waiting buffer cell information storing portion of storing a buffer cell to be processed and its process order;

    a packet filter of determining whether to be processed or not based on a packet identifier;

    one or a plurality of packet data processing portions of performing a predetermined process for the packet data; and

    one or a plurality of stream output portions of reconstructing the packet data as a stream and then outputting the stream.

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