Kdenlive and MLT nvenc enabled

[ricciolo9 .]

Hi guys. I compiled ffmpeg with the nvenc enabled to encode h264 and h265
videos using my nvidia gtx 1060 card.
I have a huge difference in transcoding 10x more. From 20/22 fps using
libx264 I passed to about 220/230 fps using nvenc.
Ok my Cpu is only an i5 750 and for my pc the GPU makes the difference. Now
I use a profile on kdenlive for transcode and resize the proxy clip using
ffmpeg nvenc enable with an improvement of more than 2x vs my CPU with
libx264.

So I ask at the MLT mailing list if I can use this encoding power in
rendering using MLT. Maybe compiling it with the ffmpeg nvenc enabled.
And they found this 2015 discussion.

https://forum.kde.org/viewtopic.php?f=272&t=125304#p330864

It seems that someone compiled MLT with nvenc enabled on ffmpeg and works.
 But the render dialogue of the Kdenlive doesn't permit the libnvenc option.

They talk about an improvement of 6x on MLT using nvenc. On 2015 doesn't
exists my nvidia gtx 1060 and I don't know the CPU and the GPU used on the
test but could be always a very good improvement.

Someone tried to use a compiled MLT version with nvenc on Kdenlive?

Thanks.
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