hardware acceleration

Sebastian sebix at sebix.at
Mon Sep 12 06:31:50 UTC 2016


Hi,

Thanks for your answers.

If ffmpeg is used, why isn't the parameter `-hwaccel auto` (or
equivalent) used by default if acceleration is activated in the settings?

Sebastian


On 09/11/2016 11:51 PM, Vincent Pinon wrote:
>
> We have many bug reports regarding our interface with Movit, so I
> would not recommend it for the moment.
>
>  
>
> And it accelerates only effects/transition calculations, not encoding
> (most often the time consuming part):
>
> for that, one should try FFmpeg encoders like hevc_vaapi / h264_vaapi
> (creating new encoding profiles)...
>
> maybe it can work?!
>
> Would be interested by results if one finds time to try...
>
>  
>
> Vincent
>
>  
>
> Le samedi 3 septembre 2016, 14:01:33 CEST Evert Vorster a écrit :
>
> Hi there.
>
> Hardware acceleration is supported through the movit library. You have
> to install it, and then enable it in settings.
>
> Unfortunately for me, movit does not work for my setup, which is a bit
> of a disappointment, as I would like to do x265 encodings.
>
> -Evert-
>
> On 3 September 2016 at 11:18, Sebastian <sebix at sebix.at
> <mailto:sebix at sebix.at>> wrote:
>
> Hi, I'd like to know if there are any possibilities to let kdenlive
> use any hardware acceleration? I couldn't find any reliable
> information about this topic. ffmpeg does use gpus via various
> interfaces for de/encoding, does kdenlive also use (activate) them? Do
> effects and other features benefit from cuda/opencl/opengl etc? I
> found this bugreport from 2013, I wonder if it is still the
> up-to-date? There haven't been any discussion or updates.
> https://bugs.kdenlive.org/view.php?id=2978 best wishes, Sebastian --
> python programming - mail server - photo - video -
> https://sebix.atcryptographic key at https://sebix.at/DC9B463B.ascand
> on public keyservers
>
> -- 
>
> Evert Vorster Isometrix Acquistion Superchief
>

-- 
python programming - mail server - photo - video - https://sebix.at
cryptographic key at https://sebix.at/DC9B463B.asc and on public keyservers


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