On Thursday, June 24, 2021, Andrew Randrianasulu <[email protected]> wrote:
> > > On Thursday, June 24, 2021, Phyllis Smith via Cin < > [email protected]> wrote: > >> Camille, >> A Freelancer has provided a fix for the fade bug in Title plugin and the >> Dissolve transition BUT I can not >> tell for sure if it is a correct fix (seems to work on Fedora O/S with >> your black flash demo). I have asked >> IgorBeg to test if he has time. A little more information is in BT #559. >> > > i found few links that might be useful?? > > > > hm, looking at this bug note it seems to use some for of gamma correction? > > https://entropymine.com/imageworsener/srgbformula/ > > https://excamera.com/sphinx/article-srgb.html > > https://stackoverflow.com/questions/6475373/optimizations-for-pow-with- > const-non-integer-exponent > > > you might want to check speed loss after this fix, especially on slower > machines? If speed fails down too much - may be those speed tricks can help > Freelancer? > also, this link especially warn *against* using sRGB in composition/interpolation...? But may be in our case hidden bug was compensated by this? more digging probably needed... https://www.realtimerendering.com/blog/tag/srgb/ > > > >> >> If you would like to test for yourself, there is a new AppImage that >> works on both older and newer distros at: >> https://cinelerra-gg.org/download/testing/cin_for_older_ >> distros.AppImage >> For those not yet familar with using an AppImage, all you have to do is >> download the file (does not destroy >> your current Cinelerra) and make it executable via a window command: >> chmod +x cin_for_older_distros.AppImage >> and then just run it from a window via: ./cin_for_older_distros.AppIma >> ge >> >> If anyone else tests, PLEASE provide feedback -- the only problem I had >> was that for an older Ubuntu 16 distro >> I have to use a new $HOME/.bcast5 to get it to work correctly. >> >> >> >> On Tue, Mar 9, 2021 at 1:47 AM Camille Harang via Cin < >> [email protected]> wrote: >> >>> I've attached the editing file along with the PNGs. >>> >>> Camille. >>> >>> >>> Le 09/03/2021 à 01:41, Sam via Cin a écrit : >>> >>> Camille, >>> >>> I vaguely remember such a similar case, but it was a very long time ago, >>> hence this old work around with the fade line. >>> However, after trying to reproduce this problem currently, I have not >>> succeeded. It runs fine every time, just like Phyllis, without the problem >>> you describe. >>> >>> My question to you. Which Cinelerra version are you using? Can you show >>> a screenshot or short video of your timeline scenario and what parameters >>> are set on your end so we can better reproduce the error? Maybe we missed a >>> setting you are doing and with an exact match of the setting we can >>> reproduce this issue. Thanks in advance. >>> >>> Sam >>> >>> >>> Am 09.03.21 um 00:48 schrieb Phyllis Smith via Cin: >>> >>> Camille, >>> Honestly, I never see a flash and I have tried several variations based >>> on your description with the "fade in text parameter" being the easiest. I >>> did do a recording of it and planned to show that but the recording does >>> not do a precise capture job so you can not tell it is working correctly. >>> There was no flash when playing at normal speed and then I tried single >>> stepping and still no flash. >>> >>> Andrea, >>> I will try attaching a screenshot of how to set this up easily with the >>> hopes that you can try that. Basically, I just created about 3 seconds of >>> nothing and added a Title plugin making sure to set the Fade parameter on >>> the Title menu to 3.0 seconds (I use the reset button first to make sure >>> there are no leftover weird settings). >>> >>> On Mon, Mar 8, 2021 at 8:22 AM Camille Harang via Cin < >>> [email protected]> wrote: >>> >>>> Hi Sam, thanks for your reply, yes the fade line works, however it's >>>> not suitable for what I want to do, I want to fade many snippets of text >>>> and transparent PNGs on the same track, with always the same video >>>> transition filter set to the same duration. Otherwise it's too complicated >>>> to combine them on two tracks and adjust manually the fade curve for each. >>>> I posted the example of fade in text parameter as it's simpler than >>>> transition do explain, but it produces the same "black flash" bug. >>>> >>>> Thank you, >>>> >>>> Camille. >>>> >>>> >>>> >>> >>> >>> -- >>> Cin mailing list >>> [email protected] >>> https://lists.cinelerra-gg.org/mailman/listinfo/cin >>> >>
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