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using:hwaccel [2016/11/19 10:19]
mean created
using:hwaccel [2016/11/19 10:23] (current)
mean
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-== Enabling Hw Accel ==+=== Enabling Hw Accel ===
  
 Assuming Avidemux has been compiled with support for it and your PC supports it, Assuming Avidemux has been compiled with support for it and your PC supports it,
 you should enable both the HW decoding and matching display driver you should enable both the HW decoding and matching display driver
  
-Both happens ​in preference+Both happen ​in preference
  
 For example, for windows we'll want to use dxva2 For example, for windows we'll want to use dxva2
  
 So Enable Dxva2 HW decoding So Enable Dxva2 HW decoding
 +
 {{:​using:​dxva1.png?​200|}} {{:​using:​dxva1.png?​200|}}
  
 and use the matching display driver and use the matching display driver
 +
 {{:​using:​dxva2.png?​200|}} {{:​using:​dxva2.png?​200|}}
  
 You can check it works by watching the two strings on the upper left You can check it works by watching the two strings on the upper left
 +
 {{:​using:​display.png?​200|}} {{:​using:​display.png?​200|}}
  
Line 27: Line 30:
  
  
 +The rule is :
 +
 +  - Windows : DXVA2
 +  - Linux/Intel : LIBVA
 +  - Linux/​NVIDIA : VDPAU
 +
 +Using wrapper is a bad idea. For example VDPAU on top of Intel video driver.
 +
 +The current DXVA2 is not fully optimised, there is back and forth copy. It will be fixed in the D3D11 version.
  
  
using/hwaccel.1479547178.txt.gz ยท Last modified: 2016/11/19 10:19 by mean