1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

Intel Proposes Major Additions To VA-API Acceleration

Intel

Published on 17 August 2011 09:49 AM EDT
Written by Michael Larabel in Intel
9 Comments

Here's some more interesting news on top of photos of Steamworks on Linux. Intel has submitted a proposal to extend VA-API, the Video Acceleration API, to support H.264 encode and video post-processing. This is the video acceleration API used by Intel's graphics driver, among others, and is the second most popular Linux video API after NVIDIA's VDPAU, the Video Decode and Presentation API for Unix.

Intel's Jonathan Bian wrote to the VA-API development list with this proposal and where Intel sees the APIs as needing to be changed and extended. In particular, they want to add a new entry-point so VA-API can deal with video post-processing, a number of configuration attributes to accommodate different capabilities in hardware encoders, new buffer types (for the application and to deal with the post-processing capabilities), and the necessary changes to for H.264 to support H.264 High Profile encoding.

In terms of the VA-API post-processing design, "With this proposal, video post-processing is modeled as a pipeline of connected and configurable processing filters. The existing vaBeginPicture/vaRenderPicture/vaEndPicture semantics is used to perform video post-processing frame by frame, with configuration parameters passed through vaRenderPicture as buffers. For optimal performance, the assumption is made that the implementation will retain the parameter settings affecting the processing pipeline until the application makes explicit modifications of these parameters."

More details on this Intel proposal can be found in this mailing list message. Seeing as Intel is the main backer of VA-API, these changes should get in once the developers come to an agreement about the API alterations. Hopefully this will make for a more interesting video encoding experience for Intel's next-generation Ivy Bridge hardware and potentially the current-generation Sandy Bridge CPUs.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux Hardware Reviews
  1. Even With Re-Clocking, Nouveau Remains Behind NVIDIA's Proprietary Linux Driver
  2. The Power Consumption & Efficiency Of Open-Source GPU Drivers
  3. AMD R600g/RadeonSI Performance On Linux 3.16 With Mesa 10.3-devel
  4. Intel Pentium G3258 On Linux
Latest Linux Articles
  1. AMD Catalyst 14.6 Does Slightly Better With APITest OpenGL Tests
  2. Updated Source Engine Benchmarks On The Latest AMD/NVIDIA Linux Drivers
  3. Nouveau vs. Radeon vs. Intel Tests On Linux 3.16, Mesa 10.3-devel
  4. KVM Benchmarks On Ubuntu 14.10
Latest Linux News
  1. Builder: A New Development IDE Being Built For GNOME
  2. GDB 7.8 Betters Python Scripting, Adds Guile Support
  3. GNOME's GTK+ Is Still Striving For A Scene Graph, Canvas API
  4. Unreal Tournament Looks Great For Team Deathmatch
  5. LibreOffice 4.3 Released With Many Exciting Changes
  6. GNOME/GTK On Wayland Gains Focus At GUADEC
  7. GNOME Stakeholders Take Issue With Groupon Over their Gnome
  8. GStreamer VA-API Plug-In Update Adds New Features
  9. Qt 5.4 Going Into Feature Freeze Next Week With Exciting Changes
  10. OpenSUSE Factory Turns Into Rolling Release Distribution
Latest Forum Discussions
  1. Grand Theft Auto Running On Direct3D Natively On Linux Shows Gallium3D Potential
  2. Debian + radeonsi
  3. Open-source drivers on ATI R7 260X
  4. AMD Athlon 5350 APU On Linux
  5. Linus Torvalds On GCC 4.9: Pure & Utter Crap
  6. Updated and Optimized Ubuntu Free Graphics Drivers
  7. List of Linux friendly Kickstarter projects
  8. Porting Mesa to the Playstation 2