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Video Processing Engine
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<h2 id="vpe-1baumann-dave-geforce-4-launch-consumer-graphics-retrieved-28-june-2013">VPE 1<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a></h2> <ul><li>hardware <a href="/facts/MPEG2/SpuH5FJu">MPEG2</a> decoding,</li> <li>inverse quantization (IQ)</li> <li>inverse discrete cosine transform (IDCT)</li> <li>motion compensation</li> <li>colour space conversion (CSC) functions</li> <li>hardware subpicture alpha blending</li> <li>Adaptive De-interlacing</li> <li>5 Horizontal x 3 Vertical Taps Scaling & Filtering</li> <li>Independent Hardware Color Enhancements and Digital Vibrance Control</li> <li>Component out supporting 720i and 1080i</li> <li>master sync generator to control the sync levels</li> <li>interlacer to output 480i and 1080i interlaced modes and a TV encoder, which operates in digital-to-analogue converter (DAC) mode with <a href="/facts/Tri_Level_Sync/qTvV37aD">Tri Level Sync</a>. VPE supports the first two of these element and all that is required to ship a graphics board capable of YPrPb output is a TV encoder that supports tri-level sync, and to replace the 4-Pin S-Video connector with a 9 pin.</li> <li>geforce 4 420/440 go<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a></li></ul> <h2 id="vpe-2enhanced-video-processing-engine-nvidia-retrieved-28-june-2013">VPE 2<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></h2> <ul><li>GeForce FX Go 5650, 5600, 5200, and 5100 models</li> <li>Video Mixing Renderer (vmr)</li> <li>MPEG-2 decode engine</li> <li>adaptive deinterlacing</li> <li>dedicated independent gamma correction</li> <li>MPEG-2 encode assist</li> <li>Digital Vibrance Control</li></ul> <h2 id="vpe-30enhanced-video-processing-engine-vpe-30-for-notebook-pcs-nvidia-retrieved-27-june-2013enhanced-video-processing-engine-vpe-30-for-notebook-pcs-pdf-nvidia-retrieved-28-june-2013">VPE 3.0<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a></h2> <ul><li>Component High Definition component out</li> <li>MPEG-2 video decode engine suitable for DVD playback, HDTV decode, and decoding streaming video up to 1920x1080<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a></li> <li>Adaptive de-interlacing</li> <li>Independent and dedicated gamma correcting</li> <li>enhanced scaling, filtering, sharpening</li> <li>MPEG-2 encode</li> <li>Video Mixing Renderer (VMR) allows integration of video with other 2d and 3d windows</li> <li>Digital Vibrance Control 3</li> <li>Inverse Quantization</li> <li>Inverse Discrete Cosine Transformation</li> <li>Motion Compensation</li> <li>Colorspace Conversion</li> <li>subpicture alpha blending</li> <li>Scaling engine</li> <li>dithering circuit</li></ul> <h2 id="operating-system-support">Operating system support</h2> <p>The VPE SIP core needs to be supported by the <a href="/facts/Device_driver/rDYnHU1G">device driver</a>. The device driver provides one or multiple <a href="/facts/Application_programming_interface/GMlN4vUr">interfaces</a>, like e.g. <a href="/facts/Video_Decode_and_Presentation_API_for_Unix/nQ1IYIdW">VDPAU</a>, <a href="/facts/Video_Acceleration_API/69nfosYC">VAAPI</a> or <a href="/facts/DirectX_Video_Acceleration/0rCKebDp">DXVA</a>. One of this interfaces is then used by end-user software, like e.g. <a href="/facts/VLC_media_player/aNurLBXb">VLC media player</a> or <a href="/facts/GStreamer/34EkSQAf">GStreamer</a>, to access the VPE hardware and make use of it. </p><p>Nvidia's <a href="/facts/Proprietary_software/9zcskxYL">proprietary</a> device driver is available for multiple operating systems and support for VPE has been added to it. Additionally, a <a href="/facts/Free_and_open-source_graphics_device_driver/h1Wo2nME">free device driver</a> named <a href="/facts/Nouveau_(software)/pEQRuxsH">nouveau</a> is available. This driver also supports the VPE hardware. </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Geforce_256/3sjPY0Ef">GeForce 256's Motion Compensation</a></li> <li><a href="/facts/High-Definition_Video_Processor/2UhuxJFn">High-Definition Video Processor</a></li> <li><a href="/facts/PureVideo/LsNonJny">PureVideo</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Baumann, Dave. "GeForce 4 launch". Consumer Graphics. Retrieved 28 June 2013. <a href="http://www.beyond3d.com/content/reviews/20/4" target="_blank">http://www.beyond3d.com/content/reviews/20/4</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"nVidia geforce 4 enhances mobility" (PDF). toshiba. Retrieved 28 June 2013. <a href="http://www.techdata.com/business/toshiba/Files/resources/NVIDIA%20GeForce4%20Go%202002-03.pdf" target="_blank">http://www.techdata.com/business/toshiba/Files/resources/NVIDIA%20GeForce4%20Go%202002-03.pdf</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Enhanced Video Processing Engine". nVidia. Retrieved 28 June 2013. <a href="http://www.nvidia.com/object/feature_vpe.html" target="_blank">http://www.nvidia.com/object/feature_vpe.html</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Enhanced Video Processing Engine VPE 3.0 for Notebook PCs". nVidia. Retrieved 27 June 2013. <a href="http://www.nvidia.com/object/LO_20030312_6019.html" target="_blank">http://www.nvidia.com/object/LO_20030312_6019.html</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"Enhanced Video Processing Engine VPE 3.0 for notebook pcs" (PDF). nVidia. Retrieved 28 June 2013. <a href="http://www3.pny.com/support/media/Files%5Ca7361e05-c5c5-4ffb-a989-a0922f00b934/enhancedvideo_v1.pdf" target="_blank">http://www3.pny.com/support/media/Files%5Ca7361e05-c5c5-4ffb-a989-a0922f00b934/enhancedvideo_v1.pdf</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"NVIDIA's GeForce FX Go5700 Preview". 17 November 2003. <a href="http://www.bjorn3d.com/2003/11/nvidias-geforce-fx-go5700-preview-2" target="_blank">http://www.bjorn3d.com/2003/11/nvidias-geforce-fx-go5700-preview-2</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> </ol>