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H.263 Video Codec
H.263 video codec optimized for NXP Nexperia™ media processors

Streaming Networks offers ITU H.263 compliant video encoder and decoder software libraries optimized for TriMedia VLIW processor. These libraries come in two flavors; a low bit rate (LBR) and a high bit rate (HBR). These ITU compliant H.263 libraries are targeted for embedded systems, requiring low memory footprints and are fully optimized to allow concurrent execution of encoder and decoder along with an application, on a single TriMedia VLIW processor.
Well-documented easy to use application programming interface allow developers to control the behavior of these libraries. The sample application provides, functionality necessary to capture video, encode it, decode it, and finally render it onto the video screen.


  • Bit rates
    • HBR H.263 codec:
      128 Kbps to 1 Mbps.
    • LBR H.263 codec:
      20 Kbps to 128 Kbps.
  • Image sizes
    • SQCIF (128 x 96)
    • QCIF (176 x 144)
    • CIF (352 x 288)
    • 4CIF (704x576)
  • Bit-streams & options
    • HBR H.263 codec:
      Encodes/Decodes the base-line H.263 streams
    • LBR H.263 codec:
      Encodes/Decodes the base-line plus the four negotiable options of PB frames, UMV, AP and SAC
    • Filters
      De-blocking as well as input noise reduction filters available for video quality improvement
  • Frame rates
    • HBR H.263 codec:
      Up to 30 fps CIF size
    • LBR H.263 codec:
      Up to 15 fps CIF size

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