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Intel® Media and Audio for Linux*

This family of media software, including libVA, VAAPI-Intel-Driver, gstreamer-vaapi, libyami and libxcam. All of these projects increase the speed and performance of decoding and encoding compressed digital video, imaging and audio. They also support workload offloading from the CPU to the GPU. The latest Intel features mean decreased power use, increased mobile battery life and reduced power requirements for other types of devices as well. The Intel audio project aims to provide Linux drivers for devices with Intel SST audio Digital Signal Processing or Intel High Definition Audio (HDA) hardware and includes extending Linux userspace alsalib and tinyalsa libraries to support features found in new Intel audio products.

VAAPI

VAAPI (Video Acceleration API) is an open-source library and API specification, which provides access to graphics hardware acceleration capabilities for video processing. It consists of a main library and driver-specific acceleration backends for each supported hardware vendor.

The following features are currently supported in VAAPI for Intel graphics cards:

Hardware Supported

  • Intel® GMA X4500HD.
  • Intel® HD Graphics (in Intel® 2010 Core™ i7/i5/i3 processor family).
  • Intel® HD Graphics 2000/3000 (in 2nd Generation Intel® Core™ i7/i5/i3 Processor family).
  • Intel® HD Graphics 2500/4000 (in 3nd Generation Intel® Core™ i7/i5/i3 Processor family).
  • Intel® HD Graphics 4200/4400/4600/5000, Intel® Iris™ Graphics 5100, and Intel® Iris™ Pro Graphics 5200 (in 4nd Generation Intel® Core™ i7/i5/i3 Processor family).

Features

  • Support MPEG2 decode acceleration Main Profile @ HL up to 80 Mbps.
  • Support MPEG2 encode acceleration Main profile @ HL up to 80 Mbps (excludes GMA X4500HD, HD Graphics and HD Graphics 2000/3000)
  • Support VC-1 decode acceleration Advanced Profile @ Level 3 up to 40 Mbps (excludes GMA X4500HD and HD Graphics)
  • Support H.264/AVC decode acceleration High Profile @ L4.1 up to 40 Mbps , with:
    • H.264 / AVC Hardware Variable Length Decoding (VLD) - CABAC
    • H.264 / AVC Hardware Variable Length Decoding (VLD) - CAVLC
    • H.264 / AVC Hardware Inverse Transform (IT)
    • H.264 / AVC Hardware Motion Compensation (HWMC)
    • H.264 / AVC Hardware In-Loop Deblocking (ILDB)
  • Support H.264/AVC encode acceleration Main Profile @ L4.1 up to 40 Mbps(excludes GMA X4500HD and HD Graphics).
  • Support JPEG/MJPEG decoding(excludes GMA X4500HD, HD Graphics and HD Graphics 2000/3000).
  • Support Video Post Processing(excludes GMA X4500HD).
VAAPI Capability MPEG2 decode MPEG2 encode H.264/AVC decode VC-1 decode H.264/AVC encode JPEG/MJPEG Video Post Processing
Intel® GMA X4500HD Yes Not supported by hardware Yes with g45-h264 branch Not implemented Not supported by hardware Not supported by Hardware No
Intel® HD Graphics Yes Not supported by hardware Yes Not implemented Not supported by hardware Not supported by Hardware Yes
Intel® HD Graphics 2000/3000 Yes Not supported by hardware Yes Yes Yes Not supported by Hardware Yes
Intel® Ivy Bridge Yes Yes Yes Yes Yes Yes Yes
Intel® Haswell Yes Yes Yes Yes Yes Yes Yes

To understand more about the VA API development, and participate in the process, the following are the main guidelines to get started:

Github Resources

Issues

Mailing list

IRC

Slack