вс, 28 июл. 2024 г., 10:00 Stefan de Konink via Cin < [email protected]>:
> In my opinion, Cinelerra must be able to guess this itself. > Adam implemented something like this incin-HV https://github.com/heroineworshiper/hvirtual/commit/c1d4250a29e7fed632a9ec6a5fab2dec0d63a437 > Op 7/28/24 om 02:36 schreef Phyllis Smith: > > Stefan, in looking at the performance improvements you outlined below, > > this one is really a HUGE improvement: > > - modifying the "stacked video" (opacity 100%) to disable "Play > > track" in the patchbay for the tracks that you do not need to see is the > > winner. I will add that to the Performance Tips section of the manual. > > It is a great tip for any computer, not just the smaller ones. > > > > But in my tests "for a disabled video effect, the CPU still runs", I did > > not see this happening using the "top" command. It seemed to make a > > nice difference in lowering the cpu when I disabled the plugin. Maybe > > it is just the plugin I used? Burning Tv? I will try some different > > ones. Also I did not verify that colourspace made no difference, but I > > am sure you are right about that. > > > > Thanks for this tip that we can pass along to other users via the > > manual. ...Phyllis > > > > On Mon, Jul 22, 2024 at 3:26 AM Stefan de Konink via Cin > > <[email protected] <mailto:[email protected]>> wrote: > > > > I think have a significant opportunity to improve the Cinerella > > performance, under normal editing conditions, by n_videotracks-fold. > At > > this point in time I notice that the CPU usage (decoding) for a > section > > where multiple tracks are stacked, but only the top one is actually > on > > screen (read opacity 100%) could be improved. > > > > I observe the following: > > > > - for a disabled video effect, the CPU still runs > > - for stacked video, the CPU still runs for both videos > > - the effect must be detached and the video below must have play > > track > > disabled to prevent the CPU to go from 20% to 150% > > - this is independent of colourspace (RGB, RGBA, YUV or YUVA) > > > > -- > > Stefan > > -- > > Cin mailing list > > [email protected] <mailto:[email protected]> > > https://lists.cinelerra-gg.org/mailman/listinfo/cin > > <https://lists.cinelerra-gg.org/mailman/listinfo/cin> > > > > !DSPAM:1,66a59293103801231713492! > > -- > Stefan > > -- > Cin mailing list > [email protected] > https://lists.cinelerra-gg.org/mailman/listinfo/cin >
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