AL-C100-WDE Codec IP

WiGig Wireless Display Extension Codec IP

WIGIG/WI-FI IEEE 802.11AD WDE CODEC IP

The AL-C100-WDE is the first WiGig/Wi-Fi IEEE 802.11ad WDE Codec designed to implement the Wireless Display Extension Protocol Adaptation Layer (WDE PAL) of the WiGig-(IEEE 802.11 ad) standard.

The AL-C100-WDE is a state-of-the-art hardware Intellectual Property solution developed by Allegro DVT. It allows removing all cables and offers high quality/low latency over-the-air transmission of audio/video signals.

It is used to build both WDE TX and WDE RX devices and can be configured for use either as a WDE Source (“TX” or “encoder”) or as a WDE Sink (“RX” or “decoder”). It easily interfaces with a DisplayPort or HDMI sink device and a WiGig MAC TX interface when configured in TX mode, and with a WiGig MAC RX interface and a DisplayPort/HDMI source device when configured in RX mode.

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In TX configuration, it performs video H.264 encoding, HDCP encryption (content protection), audio/video data encapsulation, and outputs WDE packets to the TX WiGig MAC.

In RX configuration, it performs audio/video WDE packet parsing, HDCP decryption, video H.264 decoding, audio/video synchronization, and outputs audio/video content to the DP/HDMI source device.

Key advantages

  • High-performance High-quality H.264 video encoding and decoding,
  • Ultra-low latency, in compliance with the WDE specification,
  • HDCP 2.x encryption and decryption (for content protection),
  • Audio/video data packetization and parsing,
  • Low power consumption,
  • Fast and easy SoC integration

Block diagram

High-level functional view of the WDE IP in TX configuration

 

High-Level functional view of the WDE IP in RX configuration

 

Features

Supported standards

  • WiGig/Wi-Fi IEEE 802.11ad WDE PAL specification

Advanced features:

  • HDCP encryption/decryption
  • A/V synchronization

Supported tools for Encoding/Decoding :

  • H.264/AVC CAVLC 4:4:4 Intra profile
  • YCbCr 4:4:4, 8-bit
  • Intra4x4, Intra8x8 and Intra16x16 prediction modes
  • 4×4 and 8×8 Transform
  • Flat and default scaling list
  • CAVLC, Lossless and PCM coding modes
  • Raw data bypass
  • Compressed output bit rate up to >1Gbps
  • Ultra low glass-to-glass latency
  • VBR rate control

Error resilience

  • Supports Error resilience and Error concealment of missing or erroneous packets

Interface

  • AMBA APB interface for CPU programming
  • AMBA AXI interface for the external memory

Deliverables

  • Specification, validation and delivery documents
  • Bit accurate executable software reference model
  • C control software source code
  • RTL source code
  • Verification/Integration test suite

Download the leaflet

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