So, I phootgraph wildlife. I just started recently to produce clips also, but I’m not one to shy away from using high ISO, which by default produces graininess.
-Post-production for my photos, I use GIMP, and for reducing graininess, the best way I can, I actually use a filter that was not adopted as default for GIMP - called “wavelet denoise”. I have the source files if an adept person is willing and able to add such a thing to shotcut.
Basically, the filter uses RBG or YCbCr in preview window - but simple controls which include: ‘amount’ and ‘detail’ - which correspond to the number of cycles it runs (amount) and the pixel to pixel delta (detail). It seems average over the number of pixels in detail and to discard larger deltas and smooth only up to a calculated threshold.
The end result is amazing, since one can reduce background retaining for the most part almost the full sharpness of the image. Used over time, one can fine tune the two parameters to produce the right trade-off every time. -It helps having the preview frame to consider the impact each time the filter is used before applying it.
Adding this capability to Shotcut would make it an even better tool than it is now at least for photographers/clip-makers who like me often find themselves in less than optimal conditions for producing the source clips.