[Cin] Cinelerra & GPU

Sam cinelerra at posteo.de
Thu Apr 25 18:07:26 CEST 2019

Hi Pierre,

Yes, that's right. You start Cinelerra from the terminal.
I have entered the following:
CIN_HW_DEV=vdpau ./cin

You can try this:

If you don't notice any difference, then you have to install the 
following package libva-vdpau-driver. I also have a Nvidia graphics card 
and CIN_HW_DEV=vdpau is the only one that works.
I have also set X11-OpenGL in the Cinelerra settings. You have to try 
it, the best way to see it is to watch the CPU load. Less CPU load is 


On 25.04.19 17:57, Pierre autourduglobe wrote:
> Hi Phylis,
> I would like to test your procedure with the video card (Nvidia 
> GTX-750Ti) on my computer (equipped with an Intel i7 3770k CPU), but I 
> don't really understand the indications.
> If I follow you well
> First - Install "libva-dev" (since the CPU of my computer is made by 
> Intel).
> Second - Use the "X11" video driver in Cin-GG.
> Then I don't understand the indications concerning a "environment 
> variable".
> Does it simply mean that I launch Cin-GG by the command 
> "CIN_HW_DEV=vaapi./cin" in a terminal opened from the folder where the 
> Cin-GG installation is located?
> Pierre
> On 19-04-25 08 h 06, Sam wrote:
>> How to use IF you have the appropriate graphics board and the proper 
>> libraries installed:
>> 1) You need to have libva-dev installed on Intel processors;
>> 2) or you need to have libvdpau-dev installed on AMD processors.
>> 3) Verify Settings->Preferences, Playback, Video Driver is set to X11 
>> (NOT X11-OpenGL).
>> 4) Before starting CinelerraGG, set an environment variable -- 
>> because this is so new and we do not have the capability of testing 
>> across all hardware and all operating system distros, we used an 
>> environment variable in order to make it easily reversible by the 
>> user.  To run in the installed directory:
>> CIN_HW_DEV=vaapi ./cin   (for Intel)
>> Or CIN_HW_DEV=vdpau ./cin

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