Small fix v3 for UAGC v2.2.8 (install it on UAGC version 2.2.8)
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For Ren'Py and RPGM MV/MZ compressors added ability to save libvpx-vp9, show progress (enabled by default now), ultrafast ffmpeg and video quality/crf swith choices (by pressing Save button).
P.S. Made Excel table comparing nconvert/cwebp/pingo/libvips for png to webp conversion (as image source was used unpacked images-cm.rpa [~119 MB, 473 files] from "Lust Hunter" game). Also added image to previous post to show how constant quality (for VP9+ffmpeg) should be activated (1st image, choosing optimal crf value could be tricky but I advice to look for something between 30 and 40). 2nd attached image shows cwebp advanced settings used in Excel comparison table. Last images is source image for quality comparsion (
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).
So what conclusion could be made from my comparison? I rly dunno (lol), maybe that libvips suxx (it was added to Ren'Py compressor before cwebp implementation in UAGC and when nconvert had problems with 256 color images as pingo alternative). Also most likely
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parameters just gives additional headache in most cases coz it shows as far I've understood how much difference is between original and changed (compressed in our case) image but when cwebp advanced settings/optimizations enabled that would change image even more from original (according comparison tool) than without it, though that doesn't means that image should look worse in this case, most likely it would be vice versa. Maybe I should also make webp to webp comression comparison with same tools but for now I'm gonna take a rest.
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Upd: Small fix v4 for UAGC v2.2.8 (install it on UAGC version 2.2.8)
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For Ren'Py compressor added ability to save "pack back to rpa" choice (by pressing Save button).