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More Details On Wine's GPU Video Decode Plans

WINE

Published on 11 April 2014 06:35 PM EDT
Written by Michael Larabel in WINE
3 Comments

With the Wine 1.7.16 release that happened two weeks ago there was stub functions for Microsoft DxVA video acceleration. The support wasn't actually implemented, but we now have more of an idea for the Wine plans in handling DirectX Video Acceleration.

This week's WWN pointed out a mailing list post by Michael Müller stubbing out the DxVA API functions. The intention of this work is to get a browser plugin to work that depends upon the DxVA library that in turn is also used by applications like VLC, Flash, and Silverlight. Michael Müller has managed to get some video support in place with VLC playing a MPEG-2 movie with GPU acceleration using DXVA2. His implementation layers DXVA2 atop VA-API, the Video Acceleration API mainly supported by Intel's open-source Linux graphics driver, but also works with Radeon and Nouveau via the Gallium3D state tracker.

Besides being limited to the VA-API native Linux video acceleration interface (as opposed to say VDPAU), this early Wine DXVA2 implementation also only handles MPEG-2 video decoding; implementing support for other video formats will require a lot more work. The patches are still being cleaned-up and need to be tested on more graphics hardware, but this MPEG-2 DxVA implementation for Wine is forthcoming and powered via VA-API.

More details can be found via the mailing list post.

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 .
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