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

AMD Opens Up XvBA! Their Catalyst Linux Video API

AMD

Published on 25 February 2011 08:56 PM EST
Written by Michael Larabel in AMD
44 Comments

Back in 2008 we were the first to thoroughly talk about AMD's X-Video Bitstream Acceleration (XvBA) API found in their Catalyst Linux driver to expose their UVD2 video engine now under non-Windows operating systems. However, when the XvBA library was made available, it was next to useless since they hadn't published the documentation or any header files describing this video playback acceleration interface. A year later, in November of 2009, AMD and Splitted Desktop Systems released a VA-API front-end to XvBA so that VA-API multi-media applications could seamlessly use XvBA with the Catalyst driver.

However, in the year and couple months since the VA-API to XvBA library around, this AMD Linux video acceleration API hasn't been too favorable. It's often buggy in particular driver releases and is just not as good as NVIDIA's Video Decode and Presentation API for Unix (VDPAU), which pre-dates AMD's Linux video work. However, we have heard that AMD is working on a new video driver implementation whereby VA-API would be exposed directly.

Coming as a shock right now though is that AMD has finally opened up the X-Video Bitstream Acceleration interface. They have released an XvBA SDK (with a header file), sample code, and a sample library.

At developer.amd.com is a link to the XvBA documentation / header file. They have also setup an XvBA SourceForge page, complete with mailing list.

The code includes xvbainfo, for reporting XvBA capabilities, and xvba trace as a tracing library of XvBA API calls. There's also xvbaplay as a sample media player using the Universal Video Decoder.

Before anyone starts wondering, this won't do much good for those hoping to see AMD's UVD2 engine supported by the open-source Radeon graphics drivers. Video decoding/encoding still is not supported there since AMD cannot publicly document their video engine at this time without potentially compromising the Digital Rights Management for other platforms. What this XvBA SDK package does is basically allow application developers to interface with this UVD API directly rather than targeting VA-API.

This may have been interesting if AMD had provided this support from the beginning, but now it's too late and there are already two leaders in the field: VA-API and VDPAU. AMD is now wanting open-source developers to target XvBA as a third video acceleration API. This though doesn't make too much sense since there is still the VA-API wrapper library and all indications are AMD will be exposing VA-API directly from their driver later in the year. XvBA isn't also supported on any hardware or drivers outside of Catalyst driver on UVD2-capable GPUs. Ah well, at least their still behind their open-source strategy and that the XvBA interface is now available for those interested.

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. Nouveau vs. Radeon vs. Intel Tests On Linux 3.16, Mesa 10.3-devel
  2. KVM Benchmarks On Ubuntu 14.10
  3. X.Org Server 1.16 Officially Released With Terrific Features
  4. Ubuntu With Linux 3.16 Smashes OS X 10.9.4 On The MacBook Air
Latest Linux News
  1. GCC As A Just-In Time Compiler Is An Interesting Project
  2. Age Of Wonders III Is Still Being Ported To Linux
  3. Git 2.1 To Further Mainline Windows Support Patches
  4. Debian 8.0 Jessie Is Settling For Linux 3.16
  5. Meson: A Next-Gen Build System Showing Promise
  6. Linux 3.16-rc7 Calms Things Down For The Linux 3.16 Kernel
  7. Open-Source AMD Users Report Hawaii GPU Acceleration Is Working
  8. Linus Torvalds On GCC 4.9: Pure & Utter Crap
  9. Cauldron 2014: GCC & LLVM Will Look To Collaborate More
  10. GCC Receives ACM Programming Languages Software Award
Latest Forum Discussions
  1. Porting Mesa to the Playstation 2
  2. Updated and Optimized Ubuntu Free Graphics Drivers
  3. ASRock AM1H-ITX: One Of The Best AM1 Mini-ITX Motherboards
  4. Debian + radeonsi
  5. Open-source drivers on ATI R7 260X
  6. Table test
  7. How To Setup Radeon DPM On Ubuntu Linux
  8. New build, first Linux PC, what could go wrong? ;)