vstshill

the vst inspector.

an ultra-lightweight cross-platform vst3 host for analyzing plugins.

features

• load plugins
• gui host with sdl3
• instrument, modify, inject code into plugins, using my w1tn3ss project
• offline audio processing

build

macos

make sure xcode cli tools are set up, then build:

cmake -G Ninja -B build-macos
cmake --build build-macos --parallel

windows

use vcpkg to install sdl3:

.\vcpkg install sdl3:x64-windows

using a developer command prompt:

cmake -G Ninja -B build-windows -DCMAKE_TOOLCHAIN_FILE=/path/to/vcpkg/scripts/buildsystems/vcpkg.cmake
cmake --build build-windows --parallel

instrument

instrument, trace, and inject code into plugins, using w1tn3ss:

./build-macos/bin/vstshill -vv instrument <PLUGIN_NAME> -f '$' --tracer w1script --script <SCRIPT>

acknowledgements

i learned vst loading thanks to the projects:

• easyvst - sdl2 wrapping vst3
• plugalyzer - inspiration