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A simple drum machine made with JUCE
6 commits 1 branch 0 tags 4.8 MiB
  • C++ 93%
  • CMake 4%
  • Makefile 3%
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Armin 2cded52eef Fix track signal indicator sometimes not showing for short samples 
Use a latch pattern for trackActive: the audio thread sets it true
whenever a voice is active, and the UI timer atomically reads and
clears it via exchange(false). This eliminates the race where the
flag was cleared at the start of every processBlock, causing the
30Hz timer to miss brief activations from short samples.
2026-07-20 12:33:36 +02:00
JUCE@2cdfca8feb init 2026-07-19 14:25:42 +02:00
Samples init 2026-07-19 11:40:36 +02:00
Source Fix track signal indicator sometimes not showing for short samples 2026-07-20 12:33:36 +02:00
.gitignore recent 2026-07-19 18:53:17 +02:00
CMakeLists.txt recent 2026-07-19 18:53:17 +02:00
Makefile recent 2026-07-19 18:53:17 +02:00
README.md Add screenshot 2026-07-20 11:47:17 +02:00
trommelkisteshot.png Add screenshot 2026-07-20 11:47:17 +02:00

README.md

Trommelkiste

A 10-track drum sampler plugin built with JUCE.

Screenshot

Trommelkiste

Tracks

# Abbreviation Instrument
1 BD Bass Drum
2 RS Rimshot
3 SN Snare
4 CL Clap
5 CH Closed Hi-Hat
6 PH Pedal Hi-Hat
7 OH Open Hi-Hat
8 RD Ride
9 LT Low Tom
10 MT Mid Tom

MIDI notes C4 through A4 (60-69) trigger the 10 tracks respectively.

Features

  • 32-voice polyphony
  • Per-track parameters: Level, Length, Velocity sensitivity, Pitch, Tone (low-pass filter), Pan, Decay mode (saw envelope / gate)
  • Built-in sample library with ~160 TR-909-style WAV samples embedded as binary data
  • 4 kit presets: Classic, Punchy, Soft, Raw
  • Cycle through samples per track with prev/next buttons
  • Load custom samples via file picker (WAV, AIFF, FLAC)
  • Adjustable UI scale (100%-200%)
  • State save/restore (DAW recall)
  • Outputs: VST3, AU, Standalone

Building

make        # build
make install   # copy plugins to system directories
make clean     # remove build directory

Requires CMake 3.22+, a C++17 compiler, and (on macOS) Xcode command-line tools. JUCE is cloned automatically on first build.