DirectX Video Acceleration support

[forart.eu]

It would be really interesting to exploit this feature for video source decoding/rendering:

DirectX Video Acceleration (DXVA) is a Microsoft API specification for the Microsoft Windows and Xbox 360 platforms that allows video decoding to be hardware accelerated. The pipeline allows certain CPU-intensive operations such as iDCT, motion compensation and deinterlacing to be offloaded to the GPU. DXVA 2.0 allows more operations, including video capturing and processing operations, to be hardware accelerated as well.

DXVA works in conjunction with the video rendering model used by the video card. DXVA 1.0, which was introduced as a standardized API with Windows 2000 and is currently available on Windows 98 or later, can use either the overlay rendering mode or VMR 7/9. DXVA 2.0, available only on Windows Vista, Windows 7 and later OSs, integrates with Media Foundation (MF) and uses the Enhanced Video Renderer (EVR) present in MF.

DXVA @ Wikipedia

Check out open software that supports it:

• Media Player Classic Home Cinema
• Boxee
• XBMC
• MediaPortal
• ffdshow tryouts
• VLC (DxVA 2.0 only in v1.1 and up)

Hope that inspires !!!

[spitf1r3]

Also some intel cards have video decoding acceleration..

[stanley]

Let me do some study on this part.