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AllGo offers IP licensing in the areas of multimedia, networked audio and wireless. Our IP includes embedded SDKs and high-performance DSP algorithms, which provide a unique advantage to your product. Combined with AllGo's expertise in turn-key product development and customization services, our IP offers our customer a significant time to market advantage.

MPEG4 Simple-Profile Decoder (SPI-Storm)

Product Code: Video-MP4SP-Dec-SPI

Features

  • Video decoder supporting MPEG4 (ISO/IEC 14496 – Part 2), Simple profile
  • High performance implementation on SPI (Stream Processors Inc) STORM platforms
  • Simultaneous decode of 11 D1 @ 30fps in 500Mhz
  • All levels specified for simple profile
  • Simple profile tools supported: Intra VOP, P-VOP, AC/DC prediction, 4-MV, Unrestricted MV, Re-synchronization marker
  • Available as a set of open, initialization, execute, close APIs
  • Multi-channel decode support (Re-entrant)

S/W Block Diagram

mpeg4 decoder

 

Performance

On SPI GT-160 Processor with DPU @ 500 MHz, DSP/SYS MIPS @ 250 MHz:

Non-Entropy Decode performance (DPU/DSP MIPS)

  • Decode times per frame
  • 3 ms for D1 (720x480) resolutions
  • 1.6 ms for CIF (352x288) resolutions
  • Simultaneous decode of 11 D1 channels @ 30fps

Entropy decode/VLD (System MIPS)

  • Real-time decode of 14 Mbps D1 stream

 

 

 

 
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