xcalib
ddcutil
| xcalib | ddcutil | |
|---|---|---|
| 2 | 47 | |
| 66 | 862 | |
| - | - | |
| 6.0 | 9.9 | |
| 15 days ago | 5 days ago | |
| C | C | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
xcalib
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The "formula" behind xcalib?
The formulas which xcalib uses to fill out the lookup table based on its command line arguments are in the source code: https://github.com/OpenICC/xcalib/blob/master/xcalib.c
ddcutil
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Show HN: Multi-monitor KVM using just a USB switch
Apologies. I hate when people do that as well.
In addition to the other links posted, ddcutil.org has some more good info: https://www.ddcutil.com/#introduction
- Scrollbars Are Becoming a Problem
- CEC over DisplayPort
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Recommandations KVM
Sous Linux j'avais utilisé ddcutil
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Connecting a Display Port 1.4 graphics card to the Dell thunderbolt dock WD22TB4
Most monitors have a Virtual Control Panel (VCP), which implements features defined in the Monitor Control Command Set (MCCS). This is a VESA standard. You can find the Input selection command in table 8-10. You send these commands over an I2C bus called Display Data Channel/Command Interface which is yet another VESA standard. If you are running Windows https://www.nirsoft.net/utils/control_my_monitor.html will let you use every VCP feature your monitor has. For Linux, https://www.ddcutil.com/ does this. For Mac, https://github.com/alin23/Lunar
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Opinions on functional & performance requirements for a desktop TB/USB4 AIC
The protocol is called DDC , it's a VESA standard. In there, it's called VCP features. If you are running Windows https://www.nirsoft.net/utils/control_my_monitor.html will let you use every VCP feature your monitor has. For Linux, https://www.ddcutil.com/ does this. For Mac, https://github.com/alin23/Lunar note how all three mention input selection.
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TIL there are apps that can control your monitor without touching the buttons on it
ddcutil (a command-line tool, and what most UI tools are based on)
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'monitorctl' cli tool to control brightness, contrast and volume of external monitors on linux
A related non rust tool (that also has an optional GUI) is ddcutil. How does this compare to that?
- I built a widget to adjust the brightness of external monitors
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Brightness issue
I've also used ddcui: https://www.ddcutil.com/#introduction, available as an AUR package: https://github.com/rockowitz/ddcutil. This has a nice GUI: https://www.ddcutil.com/screenshots/ddcui_features.png and works on everything I've tried it on out of the box.
What are some alternatives?
wl-gammactl
winddcutil - Windows implementation of the ddcutil Linux program for querying and changing monitor settings, such as brightness and color levels.
LightBulb - Reduces eye strain by adjusting gamma based on the current time
ddcctl - DDC monitor controls (brightness) for Mac OSX command line
gnome-gamma-tool - A command-line tool that lets you change gamma in GNOME and Cinnamon (with Wayland). You can also adjust contrast and brightness. It works by creating a color profile with the VCGT table, so that changes are persistent and don't interfere with other settings like night light.
Clight - A C daemon that turns your webcam into a light sensor. It will adjust screen backlight based on ambient brightness.
glum - High performance Python GLMs with all the features!
MonitorControl - 🖥 Control your display's brightness & volume on your Mac as if it was a native Apple Display. Use Apple Keyboard keys or custom shortcuts. Shows the native macOS OSDs.
soft-brightness - Gnome-shell extension to manage your display brightness via an alpha overlay (instead of the backlight).
open-USB-display-service-utility - Reverse engineering of the apple display service utilty
intel-undervolt - Intel CPU undervolting and throttling configuration tool
barrier - Open-source KVM software