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Top 23 C++ Midi Projects
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Project mention: Show HN: Anyma V, a powerful hybrid physical modelling virtual instrument | news.ycombinator.com | 2024-07-28
Anyway, we're looking into building for LADSPA or LV2 for a future update.
[1] https://github.com/LMMS/lmms/issues/4715
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Project mention: Real-time Linux is officially part of the kernel | news.ycombinator.com | 2024-09-19
Using a PREEMPT_RT kernel is recommended to get low/predictable audio latency in Mixxx (this player also decodes timecode vinyls): https://github.com/mixxxdj/mixxx/wiki/Adjusting-Audio-Latenc...
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I downloaded this and played around with it a little.
I’m a little skeptical of something that ditches traditional music notation for piano roll, doesn’t offer any ways to reorganize sections of your song, and then gives you a bunch of tools for key signatures, modes, polymeter, and microtonal music. I’m trying to think of a programming analogy—it’s like checking out a new programming language that has dependent types, higher-kinded types and monads, and a borrow checker, but no strings or integers.
It’s really easy for those of us with analytical, mathematical minds to go diving into the more esoteric parts of music theory. Set theory, microtonality and alternative tuning systems, esoteric scales and cataloging all these different scales—but then you fuck up the basics or miss them completely. I noticed that the “major” scale is only available under its more esoteric name, the “ionian” scale, and then there are five different versions of locrian to choose from, not counting the ones outside 12-EDO.
https://github.com/helio-fm/helio-sequencer/blob/develop/Res...
Even with all these esoteric features, there is no such thing as, say, Eb. There is only D#. As programmers, we really want to normalize all our data so that it’s represented in exactly one way, but as a musician I like having both sharps and flats around. They’re convenient and make the music easier to read.
This is a neat tool for playing around with scales and tunings, but it seems like absolute hell to try and write music this way.
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That makes me wonder how often one runs across a synth that doesn't support running status. I'm working on a MIDI controller myself, and that's a thing I probably ought to enable if I want the lowest latency.
It seems the standard MIDI libraries that Arduino uses don't enable it by default, but it's a configuration option you can turn on, along with a note not to try to use it with USB[1].
[1] https://github.com/FortySevenEffects/arduino_midi_library/bl...
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I added LLVM JIT support to ossia a few years ago, it's not too bad, but a big issue is that the JIT does not support all the necessary features used by the frontend in terms of relocations, etc. So it happens relatively often that C++ code will compile to LLVM IR without issue, but then fail at the JIT step because some relocation is not supported by the JIT engine yet.
Most of the code is here : https://github.com/ossia/score/tree/master/src/plugins/score... with the actual LLVM API interoperation contained there : https://github.com/ossia/score/tree/master/src/plugins/score...
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I built a midi controller. Rather, I repurposed a Teensy-based virtual analogue synth I made ages back that never worked quite right. I had taken the amp/speaker out to use somewhere else, and it was just sitting in a box. I realized I could just use the Control Surface library (https://github.com/tttapa/Control-Surface) and change it to a midi controller in no time flat, so I did. Now just need to get some time to use it to play with VCV Rack.
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mt32-pi
🎹🎶 A baremetal kernel that turns your Raspberry Pi 3 or later into a Roland MT-32 emulator and SoundFont synthesizer based on Circle, Munt, and FluidSynth.
I have just seen https://github.com/dwhinham/mt32-pi but it doesn't seem as easy to play with and well-documented as the other software I've used.
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DawDreamer
Digital Audio Workstation with Python; VST instruments/effects, parameter automation, FAUST, JAX, Warp Markers, and JUCE processors
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vgmtrans
VGMTrans - a tool to convert proprietary, sequenced videogame music to industry-standard formats
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libremidi
A modern C++ MIDI 1 / MIDI 2 real-time & file I/O library. Supports Windows, macOS, Linux and WebMIDI.
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osci-render
〰📺🔊 Synthesiser audio plugin for making music by drawing objects on an oscilloscope using audio.
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rpidmx512
Orange Pi DMX512 / RDM / MIDI / OSC / Art-Net / WS28xx / L6470 / Stepper / TLC59711 / PCA9685 / Servo / PWM / TCNet / SMPTE / RDMNet / LLRP / GD32 / GigaDevice / Raspberry Pi
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Midi discussion
C++ Midi related posts
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Real-time Linux is officially part of the kernel
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Show HN: MIDI Database, an open source library of MIDI implementations
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Show HN: Pixeltune, a nicer chiptune and VGM player
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Show HN: Anyma V, a powerful hybrid physical modelling virtual instrument
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Free Quality SoundFonts (Sf2)
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Synth wars: The story of MIDI (2023)
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Show HN: libremidi, a MIDI 1 & 2 C++20 library
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www.saashub.com | 19 Sep 2024
Index
What are some of the best open-source Midi projects in C++? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | lmms | 7,980 |
| 2 | mixxx | 4,394 |
| 3 | ardour | 3,844 |
| 4 | helio-sequencer | 3,074 |
| 5 | zrythm | 2,095 |
| 6 | giada | 1,699 |
| 7 | arduino_midi_library | 1,583 |
| 8 | score | 1,480 |
| 9 | NeuralNote | 1,270 |
| 10 | Control-Surface | 1,225 |
| 11 | mt32-pi | 1,208 |
| 12 | element | 1,128 |
| 13 | hydrogen | 1,029 |
| 14 | MIDIVisualizer | 1,025 |
| 15 | DawDreamer | 893 |
| 16 | vgmtrans | 839 |
| 17 | SendMIDI | 690 |
| 18 | OpenDeck | 623 |
| 19 | ShowMIDI | 580 |
| 20 | libremidi | 441 |
| 21 | ADLplug | 428 |
| 22 | osci-render | 415 |
| 23 | rpidmx512 | 391 |
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