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Dxgi Output Duplication, Windows 8 screen capture support

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phaeron

Posted: Jul 8 2012, 09:58 PM

Virtualdub Developer

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Posts: 7773
Member No.: 61
Joined: 30-July 02

For those using VirtualDub for screen capture, here's a version that has support for the new DXGI Output Duplication support in Windows 8:

http://www.virtualdub.org/beta/VirtualDub-....10.3-test1.zip
http://www.virtualdub.org/beta/VirtualDub-...test1-AMD64.zip
http://www.virtualdub.org/beta/VirtualDub-....3-test1-src.7z

DXGI Output Duplication allows high-performance, hardware accelerated screen capture like the old OpenGL method did, in a way that is compatible with WDDM drivers. You need one of the public beta releases of Windows 8 to use this, preferably the Release Preview (older versions not tested). The rescaling support is also improved over the OpenGL code and uses a multi-tap bicubic decimation filter instead of a 2-tap bilinear filter.

phaeron

Posted: Jul 29 2012, 03:43 AM

Virtualdub Developer

Group: Administrator
Posts: 7773
Member No.: 61
Joined: 30-July 02

http://www.virtualdub.org/beta/VirtualDub-....10.3-test2.zip
http://www.virtualdub.org/beta/VirtualDub-...test2-AMD64.zip
http://www.virtualdub.org/beta/VirtualDub-....3-test2-src.7z

This version adds support for capturing audio via the loopback path in WASAPI on Windows Vista and above. This allows for capturing speaker output without requiring a Stereo Mix or What U Hear path, which not all audio drivers support.

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