<div dir="ltr">The idea behind monitor scaling was to aid in deep effect stacks, especially when transforming or transparency. <div><br><div>Up to this point, the effects were applied to the full resolution video, then scaled down to be displayed in the monitor. As this is very much a single threaded CPU bound feature, it was a great bottleneck for deep effect stacks. I was correcting 4K drone footage for fisheye and color, and adding a title clip on top of that was... well, horrible for performance.</div><div><br></div><div><div>The speedup on normal clip playback is a bit unexpected, but might make proxy clips almost obsolete.<br><div><br></div><div>I have not tested it yet, but that was the general idea. :)</div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Evert Vorster<br>Awesome Chapters Tours</div><div><a href="http://www.awesomechapters.com" target="_blank">http://www.awesomechapters.com</a></div><div>Tel: +264 (0) 811477690<br></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 15 Jan 2020 at 23:43, farid abdelnour <<a href="mailto:snd.noise@gmail.com">snd.noise@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Em qua., 15 de jan. de 2020 às 16:42, Alistair Riddoch <<a href="mailto:alriddoch@googlemail.com" target="_blank">alriddoch@googlemail.com</a>> escreveu:<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div></div><div>I have tested it with a 45 minute project, and there is a noticeable performance improvement. It's not a massive improvement for me, but I'm not using proxy clips yet, so I'm probably not getting the best case improvement. The feature clearly works, as the resolution reduction is obvious in the monitor.</div></div></div></blockquote><div><br></div><div>I have noticed a drastic improvement in my initial test. I added two luts and a blur effect and at 1/4 resolution it plays smoothly without proxies. <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div><br></div><div>No sign of any issues.</div><div><br></div><div>Thanks for this! Any performance improvement is much appreciated!</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div></div><div><br></div><div></div><div></div><div>[1] <a href="https://cgit.kde.org/kdenlive.git/commit/?id=31c339ff90d4796b7dfaa36896a21a989d146212" target="_blank">https://cgit.kde.org/kdenlive.git/commit/?id=31c339ff90d4796b7dfaa36896a21a989d146212</a></div><div><br></div><div></div><div></div><div>[2] <a href="https://bugs.kde.org/show_bug.cgi?id=369080" target="_blank">https://bugs.kde.org/show_bug.cgi?id=369080</a></div><div><br></div>-- <br><div dir="ltr">1111.1010.r.i.1101|n.o.i.s.1110|i.m.1010.g.1110|مقاومة<br>fsf member #5439<br>usuario GNU/Linux #471966<br>|_|0|_|<br>|_|_|0|<br>|0|0|0|<br><a href="<a href="http://www.gunga.com.br" target="_blank">http://www.gunga.com.br</a>">gunga</a><br><a href="<a href="http://www.tempoecoarte.com.br" target="_blank">http://www.tempoecoarte.com.br</a>">tempoecoarte</a><div><a href="<a href="http://www.atelier-labs.org" target="_blank">http://www.atelier-labs.org</a>">atelier-labs</a></div><div><a href="<a href="http://www.mocambos.net" target="_blank">http://www.mocambos.net</a>">rede mocambos</a><br></div></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr">Alistair Riddoch<br><a href="mailto:alriddoch@googlemail.com" target="_blank">alriddoch@googlemail.com</a><br><a href="http://alistairriddoch.org/" target="_blank">http://alistairriddoch.org/</a></div></div>
</blockquote></div><br clear="all"><br>-- <br><div dir="ltr">1111.1010.r.i.1101|n.o.i.s.1110|i.m.1010.g.1110|مقاومة<br>fsf member #5439<br>usuario GNU/Linux #471966<br>|_|0|_|<br>|_|_|0|<br>|0|0|0|<br><a href="<a href="http://www.gunga.com.br" target="_blank">http://www.gunga.com.br</a>">gunga</a><br><a href="<a href="http://www.tempoecoarte.com.br" target="_blank">http://www.tempoecoarte.com.br</a>">tempoecoarte</a><div><a href="<a href="http://www.atelier-labs.org" target="_blank">http://www.atelier-labs.org</a>">atelier-labs</a></div><div><a href="<a href="http://www.mocambos.net" target="_blank">http://www.mocambos.net</a>">rede mocambos</a><br></div></div></div>
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