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Showing results for tags 'sdr'.
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Tone-mapping in transcoding HDR for playback on SDR screens??
griffindodd posted a topic in General/Windows
Loving EMBY!!!!!!!!! However, I have an issue with HDR files. I'd like to make my growing 4K HDR library available to my family (outside of my network) to stream, but they only have regular SDR screens so playing back HDR content on their screens looks washed out and hue shifted colors due to incorrect tone mapping. Does/or will Emby adjust tone-mapping during transcode from HDR to SDR (like MadVR does) when it sees that the display device is an SDR screen? Many thanks- 586 replies
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Green bar when decoding HEVC with QuickSync and Tone Mapping
PontusN posted a topic in General/Windows
Didn't think I would come a stir the pot in this thread again, but here we are. Is there a way to increase the saturation of a specific color during tone mapping? As you know Im using QSV to achieve this, and current best tone mapping is bt.2390, the results are very good, but it's currently only available in software. Hable is unfortunately crushing blacks to much to be usable. Reinhard and Mobius is performing quite well, but both suffer from desaturation to some degree, but mostly the reds. Is there a way to fix this with a search and replace in ffmpeg or something similar? Or is it possible to implement Aces algorithm? (Which I believe suffers from over saturation instead, but I think it's preferable.)- 22 replies