PowerVR Video & Display

PowerVR VXD Video Decoder

PowerVR™ VXD Video Decoder IP cores are multi-standard, multi-stream, ultra-high-definition video decoders. The cores decode video from the bit stream level such as ES level or NAL units and provide all the bit stream parsing and algorithmic functions required by various video standards, including entropy decoding, inverse scan, inverse transform, motion compensation, deblocking and overlap filtering.

PowerVR VXD decoders include advanced features, such as full support for 10 bit, 4:4:4, 4:2:2 & 4:2:0 profiles (High 10 Profile, High 4:2:2 Profile, High 4:4:4 Predictive Profile, and intra and CAVLC only variants of these). Support is also included for H.264 MVC. These decoders offer the industry’s lowest power consumption, alongside high performance H.265 & H.264  decoding capability, at resolutions up to 4K at 60 fps (4K60).  Ultra high frame rate decoding enables applications such as faster than real time transcoding and video editing.

Stress and syntax test streams from the ISO, IEC, Allegro and Microsoft, as well as real-world streams (both off air and supplied by customers), have helped ensure multi-standard compliance.

  • Programmable stream header processing via internal microcontroller
  • CABAD, CAVLD, VLD and Exp-Golomb entropy decoding
  • Inverse scan; iDCT and integer inverse transform
  • Half, quarter and eighth-pel motion compensation
  • Full support for unrestricted motion vectorsy
  • Full bidirectional prediction (I, P, B frames)
  • Inverse H.264 intra prediction
  • H.264 deblocking filter
  • VC-1 (WMV9) deblocking/overlap filter
  • Support for trick modes (play, stop, rewind)
  • Customizable error concealment and recovery
  • Full scan circuitry
  • Advanced power management
  • Wide range of video standards supported
  • Low power consumption
  • High performance data throughput
  • Low host CPU processing requirement
  • Low silicon area
  • Memory bandwidth efficient design
  • Suitable for Blu-ray profile 5
  • Multi-stream decode
  • Post-processing options available

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