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  1. #1
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    ReceiverDankeAktivitäten

    How to enable 2160p24/p25 video modes?

    I wonder why 2160p24 and 2160p25 modes aren't available in video settings.
    2160p24 would be very useful for watching movies and 2160p25 is important when you have a HDMI switch supporting only 10 Gbps.
    Unfortunately, apart of full bandwidth p50 and p60, only 2160p30 is available and for European TV that leads to choppy video (30 frames scaled to 25).
    There is a workaround for this? Autoresolution plugin won't add nothing to resolution modes.
    Thanks :-)

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  2. #2
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    ReceiverDankeAktivitäten
    Just to inform you, I found a workaround simply downgrading drivers to sep 7 release (overwriting linux.ko).
    With this version it's possible to set 25/30/multi mode under 2160p30 in basic video settings. Despite of the "2160p30" name, it effectively can change to 25p mode.
    Note that with newest drivers, colorspace is forced to REC.2020 (as HDR requirements) but that is not right for normal 4K video that requires REC.709.
    With previous drivers, I see the correct out 4:4:4 REC.709 that (incidentally) can pass through my HDMI switcher.
    So here's another fine mess Octagon devs put us into. :-)

  3. Thanks fen bedankten sich
  4. #3
    Mitglied Avatar von pereira69
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    ReceiverDankeAktivitäten
    Box 1:
    Octagon SF4008
     
     
    Box 2:
    Octagon SF4008
     
     
    Zitat Zitat von portoss Beitrag anzeigen
    Just to inform you, I found a workaround simply downgrading drivers to sep 7 release (overwriting linux.ko).
    With this version it's possible to set 25/30/multi mode under 2160p30 in basic video settings. Despite of the "2160p30" name, it effectively can change to 25p mode.
    Note that with newest drivers, colorspace is forced to REC.2020 (as HDR requirements) but that is not right for normal 4K video that requires REC.709.
    With previous drivers, I see the correct out 4:4:4 REC.709 that (incidentally) can pass through my HDMI switcher.
    So here's another fine mess Octagon devs put us into. :-)
    But with the 12-07 drivers the image quality is the same as today? the current ones seem to leave the image in more brightness and sharpness ?

    Aber mit den 12-07 Treibern ist die Bildqualität die gleiche wie heute? die gegenwärtigen scheinen das Bild in mehr Helligkeit und Schärfe zu verlassen?

  5. #4
    Anfänger
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    ReceiverDankeAktivitäten
    Don't know about 12/7 drivers (assuming July 12 ones), I put sep 7 linux.ko overwriting current one. Note that info still says January 2018 drivers, so linux.ko isn't the only driver file involved.
    About image quality, I downloaded Advanced Video Setting plugin and using a bit of noise filters, but leaving sharpness and scaler sharpness to default values.
    With my EPSON TW-9300 120" projected image, video quality seems quite good, but of course to me is easy to see image artifacts (mainly due to broadcasting compression algorythms).


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