Video Shader is a graphics card feature that

ATI Ati or ATI may refer to: * Ati people, a Negrito ethnic group in the Philippines **Ati language (Philippines), the language spoken by this people group ** Ati-Atihan festival, an annual celebration held in the Philippines *Ati language (China), a ...

advertises on their

R300 The R300 GPU, introduced in August 2002 and developed by ATI Technologies, is its third generation of GPU used in ''Radeon'' graphics cards. This GPU features 3D acceleration based upon Direct3D 9.0 and OpenGL 2.0, a major improvement in featu ...

and R400 cards. The R500 card is advertised as having Video Shader HD. Video shader is a feature that describes ATI's process of using Pixel Shaders to improve quality of video playback. It can also be used to perform post-processing, like adding a

film grain Film grain or granularity is the random optical texture of processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons. While film grain i ...

, or adding other

special effects Special effects (often abbreviated as SFX, F/X or simply FX) are illusions or visual tricks used in the theatre, film, television, video game, amusement park and simulator industries to simulate the imagined events in a story or virtual wo ...

. One feature of Video Shader is ATI Full Stream. Full Stream detects the edges of video compression blocks and uses a pixel shader based filter to smooth the picture hiding the blocks. Another is Video Soap, which reduces video noise. Other features are

DXVA 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, motio ...

support for Hardware Motion Compensation, iDCT, DCT and color space conversion. Support for Hardware Motion Compensation, iDCT, DCT and color space conversion is also listed. Video Shader has been superseded by

Unified Video Decoder Unified Video Decoder (UVD, previously called Universal Video Decoder) is the name given to AMD's dedicated video decoding ASIC. There are multiple versions implementing a multitude of video codecs, such as H.264 and VC-1. UVD was introduced wit ...

(UVD) and

Video Coding Engine Video Code Engine (VCE, was earlier referred to as Video Coding Engine, Video Compression Engine or Video Codec Engine in official AMD documentation) is AMD's video encoding application-specific integrated circuit implementing the video codec H. ...

(VCE).

References

*https://web.archive.org/web/20100209003729/http://ati.amd.com/companyinfo/glossary/includes/list.html#vshaderHD *https://web.archive.org/web/20070304105417/http://ati.amd.com/products/cs/videoshader.html *https://web.archive.org/web/20100215004004/http://ati.amd.com/developer/shaderx/ShaderX2_AdvancedImageProcessing.pdf *http://fileadmin.cs.lth.se/graphics/theses/projects/videoediting/real-time_video_on_GPUs_small.pdf *https://web.archive.org/web/20090220001452/http://ati.amd.com/products/brochures/5639fullstreamWP.pdf *https://web.archive.org/web/20100223201334/http://ati.amd.com/products/radeonx850/specs.html {{AMD graphics Video acceleration

See also

References