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

DirectX Video Acceleration For MPlayer

Free Software

Published on 23 April 2011 10:27 PM EDT
Written by Michael Larabel in Free Software
6 Comments

Part of the beauty of open-source software is that anyone is free to work on whatever code they wish. For some developers this means working on open-source graphics drivers for old GPUs, for some it may be working on a game or desktop application, and for others it may mean bringing Microsoft DXVA support to open-source multi-media software. There's now a branch of MPlayer that supports Microsoft's DirectX Video Acceleration API.

On Gitorious is this project for bringing DXVA support over to MPlayer so that H.264/MPEG-4 AVX and VC-1 streams can be done on supportive GPUs and drivers. DXVA is only supported under the Microsoft Windows drivers.

GPU-based Linux video acceleration in MPlayer is already well supported with VA-API, VDPAU, XvMC, and X-Video being among the APIs being supported. VA-API and VDPAU are, of course, the premiere Linux video APIs that are capable of offloading most of the playback process to the graphics processor. Both do a splendid job and cover most of the hardware and drivers, while the Nouveau / Radeon open-source drivers are the only drivers lacking support for either API at the moment, but that will hopefully change soon in the Gallium3D world.

The proprietary Catalyst driver supports interfacing with VA-API applications when using the Splitted Desktop Systems' VA-API to XvBA translation library. X-Video Bitstream Acceleration is the native format AMD exposes by their binary Linux blob for exposing the UVD2/UVD3 engine. XvBA resembles Microsoft's DXVA, so this new MPlayer support may help out anyone interested in a native XvBA implementation for MPlayer, but there's no word of anyone acting on that at the moment.

It would have been fairly interesting if instead there was a VA-API to DXVA library so any VA-API supportive application could support Microsoft's video acceleration format under Windows, but instead, for anyone interested there's now a native DXVA implementation for MPlayer.

Besides Windows itself, DXVA is also used on Microsoft's Xbox 360 game console. DXVA has been around since the days of Windows 2000 but in Windows Vista/7 is DXVA 2.0 that is capable of accelerating more operations, including the video capturing process.

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. A Walkthrough Of The New 32 System Open-Source Linux Benchmarking Test Farm
  2. Habey MITX-6771: Mini-ITX Board With Quad-Core J1900 Bay Trail
  3. OCZ Vector 150 SSD On Linux
  4. Noctua i4 CPU Cooler: Great For Cooling High-End LGA-2011v3 CPUs
Latest Linux Articles
  1. 17-Way Linux Graphics Card Comparison With Civilization Beyond Earth
  2. AMD Kaveri: Open-Source Radeon Gallium3D vs. Catalyst 14.12 Omega Driver
  3. 12-Way AMD Catalyst 14.12 vs. NVIDIA 346 Series Linux GPU Comparison
  4. AMD Catalyst 14.12 Omega Driver Brings Mixed Results For Linux Users
Latest Linux News
  1. LDC 0.15.1 Released For A D Compiler In LLVM
  2. Fedora Doesn't Yet Enable F2FS File-System Support
  3. XZ 5.2 Adds New Multi-Threaded Options
  4. Intel 2.99.917 X.Org Driver Released, 3.0 Release Finally Near
  5. Server-Side XCB Is Being Discussed For The X.Org Server
  6. Adreno A4xx Rendering With Freedreno Takes Shape
  7. Linux 3.19-rc1 Kernel Released Ahead Of Schedule
  8. X.Org Server 1.16.3 Released To Fix Security Issues
  9. Linux 3.19 Merge Window Closes Ahead Of Schedule
  10. MIPS R6 Architecture Now Supported By GCC
Latest Forum Discussions
  1. Maker3D - create your 3D RPG
  2. FPS capped on Linux (AMD fglrx drivers)
  3. Looking for an nVidia GPU, but not sure how well they are supported.
  4. Need some hand holding with upgrading xserver
  5. Speeding up systemd networking service
  6. Major Performance Breakthrough Discovered For Intel's Mesa Driver
  7. Are there an app using HSA ?
  8. The New SuperTuxKart Looks Better, But Can Cause GPU/Driver Problems