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The Video Mixing Renderer 9 (VMR9)
This is the latest technology in Video Rendering. It's completely based on Direct3D, requires DirectX-9 and recent hardware to operate. It can potentially give the best image quality (depends on the rendering mode and the display card hardware). VMR9 gives access to hardware color controls (if the card supports it) but not to Gamma controls as Microsoft didn't include support for it. VMR9 also has the best Aspect Ratio controls.
VMR9 supports three distinct rendering modes:
VMR9: Windowed
This is the most basic mode. It is available for backward compatibility. It does not give you access to Frame Capturing. One thing about this mode is that there was a bug in Windows XP-SP1 and DirectX-9b which made this mode the only mode in which DVD Menu navigation works. With Windows XP-SP2 and DirectX-9c the DVD Menu navigation bug was fixed.
VMR9: Windowless
This mode is slightly more advanced than the Windowed mode and is the best mode in which to conduct screen captures.
VMR9: Renderless
This is the most complex VMR9 rendering mode. It can work in Direct3D exclusive mode which means the entire machine is set to fullscreen and no background application are allowed access to the video hardware. Under Direct3D Exclusive Mode, less CPU is required to play videos and depending on the resolution of the video, playback may be smoother. The downside is that in Direct3D Exclusive mode, your computer is wholly dedicated to video playback and you won't be able to perform any other tasks.
Current versions of Zoom Player may not support the VMR9 Renderless mode, but should in the near future.
niccuc ha detto:Non so riguardo al consumo cpu, ma riguardo alla qualita' con il vmr9 mi si e' aperto un nuovo mondo![]()