<div dir="ltr"><div dir="ltr">I don't want to go on another rant here, but I've made a whole video about why Kdenlvie is "not very good" at this point:<br><a href="https://www.youtube.com/watch?v=ym1brc2OcYQ">https://www.youtube.com/watch?v=ym1brc2OcYQ</a><br><br>Frei0r effects force single-core frame processing. And I used a lot of them.<br>GPU acceleration is flaky and never did anything more than crashing for me. But some claim it works for them.<br><br>Have you tried Olive? It does all frame processing on the GPU - it's not "optional" is the basis. It's snappy!<br><br>I think Kdenlive would need to replace it's compositing engine with an OpenGL-based one to get decent speed - but that's no small task.<br><br>Granted - I haven't really tested the 19.x branch too much, so thinks might be better, but I've heard stability suffered a lot - which is to be expected after a major core rewrite.<br>It's all growing pains I guess.<br><br>I hope Kdenlive's gonna come out of this stronger and better :)</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">pon., 23 wrz 2019 o 19:29 <a href="mailto:jdd@dodin.org">jdd@dodin.org</a> <<a href="mailto:jdd@dodin.org">jdd@dodin.org</a>> napisał(a):<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Le 23/09/2019 à 19:23, DogFilm a écrit :<br>
> Rendering a clip does not use 100% of CPU.<br>
> <br>
> If I render stuff with ffmpeg directly (nothing to do with kdenlive) <br>
> ffmpeg uses all cores with 100% cpu load. Kdenlive is about 50% for each <br>
> core. So render time could probably be doubled.<br>
> <br>
> Yes, "Render Project" dialog was set to "Parallel Processing".<br>
> <br>
yes. I don't know the technical under the hood, but kdenlive is <br>
desperately slow.<br>
<br>
avidemux3 is very fast for simple tasks, DaVinci Resolve seems to be <br>
also very fast, but I don't know it really (and of course it's not open <br>
source, it's only free like a free beer :-()<br>
<br>
jdd<br>
<br>
-- <br>
<a href="http://dodin.org" rel="noreferrer" target="_blank">http://dodin.org</a><br>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>- Tobiasz 'unfa' Karoń<br><br></div><div><a href="http://www.youtube.com/unfa000" target="_blank">www.youtube.com/unfa000</a><br></div></div></div></div></div></div>