ledstudio
score
ledstudio | score | |
---|---|---|
2 | 100 | |
0 | 1,429 | |
- | 1.1% | |
10.0 | 9.6 | |
about 6 years ago | 2 days ago | |
C++ | C++ | |
- | GNU General Public License v3.0 or later |
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.
ledstudio
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Over-engineering an RGB LED strip: let’s make a custom programming language
That’s pretty cool.
I did something similar once, where I wrote a Qt application that let you add effects to a timeline, which would get saved as json and could then be run on a Raspberry Pi to control a grid of NeoPixel LEDs. Each effect on the timeline has a start and length, which pixels it affected, RGBW colors, easing function in and out and effect type (fade, blink etc — there were a few basic effect types that could be combined to create more elaborate effects). The Qt application was able to simulate the LEDs in a GUI using the same code that ran on the RPi (just the GUI was replaced with LED driver code there). It was used to play animations on a t-shirt that was covered in a grid of LEDs made for a local musician. It was a fun project. The code is on GitHub but it’s terrible quality due to having been written over the space of 3 days and then never touched again: https://github.com/danielytics/ledstudio
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Qt 6.3 Released
I have the code on GitHub but I haven’t built the code in 4 years so don’t have a screenshot. Like I said, the code was written in about 3 days and QML allowed me to iterate quickly, but the resulting code quality isn’t great (since it was a once off project, built and used in the same week and then never used again, I didn’t clean it up or anything). One key feature was that the LED strip could be connected to a Raspberry Pi and the tool could be run directly on the Pi to control the LEDs directly from the editor, or it could be run on my laptop and simulated.
Anyway, the code is here: https://github.com/danielytics/ledstudio
And the QML specifically is here: https://github.com/danielytics/ledstudio/blob/master/main.qm...
If I were to clean it up, I would at least split the different labels into their own QML files but hey, shortcuts were taken over those few days :)
score
- Learn How to Build Your Own Max for Live Devices
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Qt Widgets Rendering Pipeline
https://ossia.io uses widgets and qgraphicsscene for the main UI rendering and Qt rhi for the GPU pipeline, and it's performing well enough for our use-cases - I was working on it on a 1080p screen on a Pi4 recently and it certainly felt much much faster and responsive than chrome on the same hardware.
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Is it possible to do runtime compilation and execution of C code?
I use it for live c++ recompilation in https://ossia.io - all the code is in there. https://github.com/ossia/score/tree/master/src/plugins/score-plugin-jit/JitCpp
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Show HN: New visual language for teaching kids to code
> I feel like visual programming gets a bad rap because of things like this. As an electronic engineer that used to love LabView and life long user of NI Reaktor and Max/MSP, those tools are fantastic if you don’t approach them with an imperative programming mindset.
aha, in the long run I ended up making https://ossia.io which is as VPL as it can get. Yet it still embeds a LOT of textual languages.
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CLion Nova Explodes onto the C and C++ Development Scene
For me both VSCode and CLion lag heavily.. whenver I tried CLion it was completely unuseable on my project https://ossia.io which is only 500kloc (and I try to try it pretty much once a year since it was in beta)
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Visual Node Graph with ImGui
https://ossia.io does some of it, I've been working on a new release that also supports the whole QtQuick stack in the node graph items but you can already combine videos & shader effects
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Speed Up C++ Compilation
In https://ossia.io with PCH, using clang, ninja, mold, and some artificial split in shared libraries for development builds, I get a compile-edit-run cycle of a couple seconds in general... I wouldn't say it's too much of a problem if you use the tools already available
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Looking for open source projects to contribute to
If you're interested in multimedia https://ossia.io is always looking for new contributors!
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New To Lighting Design, Looking for guidance
Tools like Ossia Score, Chataigne and PureData (pd) can also help a ton in building interactive art and triggering other A/V software.
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Audio Reactive MIDI
here's a simple example of how to do it in https://ossia.io score : https://streamable.com/wkklek
What are some alternatives?
lqml
seq66 - Seq66: Seq24-based live MIDI looper/editor. v. 0.99.12 2024-01-13. NSM support; Linux/Windows/FreeBSD; PDF user manual. Help access to tutorial and PDF. Beta code in portfix branch.
smallfunction - Stack allocated and type-erased functors 🐜
BespokeSynth - Software modular synth
ledstrip_sandbox - Allows multiple users to play around with their own part of the ledstrip by using Lua scripts
atemOSC - Control ATEM video switchers over the network with OSC messages
BespokeSynth - Software modular synth [Moved to: https://github.com/BespokeSynth/BespokeSynth]
scheme-for-max - Max/MSP external for scripting and live coding Max with s7 Scheme Lisp
vgmtrans - VGMTrans - a tool to convert proprietary, sequenced videogame music to industry-standard formats
lmms - Cross-platform music production software
gsequencer - Advanced Gtk+ Sequencer
JUCE - JUCE is an open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, LV2 and AAX audio plug-ins.