пн, 22 июл. 2024 г., 12:26 Stefan de Konink via Cin < [email protected]>:
> 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 > Strange, I mostly test single video track, but if I disable effect on it it consumes less cpu? Does every video plugin behaves this way? - 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) > I think implementation of such optimization can be a little tricky due to route/shared plugins? May be ask Adam to implement it in cinHV first (if cinHV similarly affected) and then we will see if diff can be applied to our tree? > > -- > Stefan > -- > Cin mailing list > [email protected] > https://lists.cinelerra-gg.org/mailman/listinfo/cin >
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