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A new stable version, UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 have been released: https://forum.uvnc.com/viewtopic.php?t=38095
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2025-12-02: We need help: English Wikipedia UltraVNC page has been requested to deletion: https://forum.uvnc.com/viewtopic.php?t=38127
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2025-05-06: Forum password change request: https://forum.uvnc.com/viewtopic.php?t=38078

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Lossless JPEG or No JPEG encoding

Any features you would like to see in UltraVNC? Propose it here
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aegrotatio
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Lossless JPEG or No JPEG encoding

Post by aegrotatio »

The Ultra and Ultra2 encodings are amazing. I can see videos over a WAN.
What I would like to know is how we could use Ultra/Ultra2 with either JPEG turned off or JPEG at "perceptually lossless" mode. This is a new encoding concept done by the TurboVNC/TigerVNC developers.

Right now when I un-check "JPEG Quality" in Ultra/Ultra2 the screen turns into a mosaic as if it were using JPEG at 0% quality. Instead I think it probably should just omit JPEG entirely.

Thanks.
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