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DirectX Video Acceleration 2.0

DirectX Video Acceleration (DXVA) is an API and a corresponding DDI for using hardware-acceleration to speed up video codec processing. Software codecs and software video processors can use DXVA to offload certain CPU-intensive operations to the GPU. For example, a software decoder can offload the inverse discrete cosine transform (iDCT) to the GPU.

This section contains the following topics.

In this section

TopicDescription

About DXVA 2.0

Overview of DXVA 2 and its relation to DXVA 1.

Direct3D Device Manager

The Microsoft Direct3D device manager enables two or more objects to share the same Microsoft Direct3D 9 device.

Supporting DXVA 2.0 in DirectShow

This topic describes how to support DirectX Video Acceleration (DXVA) 2.0 in a DirectShow decoder filter.

Supporting DXVA 2.0 in Media Foundation

This topic describes how to support DirectX Video Acceleration (DXVA) 2.0 in a Media Foundation transform (MFT) using Direct3D 9

DXVA Video Processing

DXVA video processing encapsulates the functions of the graphics hardware that are devoted to processing uncompressed video images. Video processing services include deinterlacing and video mixing.

DXVA-HD

Microsoft DirectX Video Acceleration High Definition (DXVA-HD) is an API for hardware-accelerated video processing.

 

Related topics

Media Foundation Programming Guide
DXVA 1 Specification

 

 

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