[Cin] Cinelerra & GPU

Pierre autourduglobe p.autourduglobe at gmail.com
Thu Apr 25 18:29:36 CEST 2019

Thanks for the clarification, Sam.

A message from Phyllis tells me to wait for a new version for Mint-18.3 
that will be ready later today.

I guess the indications will then be a little more precise, namely 
whether the different procedures should be done according to the CPU 
manufacturer... or the GPU.


On 19-04-25 12 h 07, Sam wrote:
> 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:
> CIN_HW_DEV=vaapi./cin
> 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 
> better.
> Sam
> 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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