Hibiki DAW

A modern DAW with a Java Swing GUI and a high-performance C++ backend.

• Bazel: version 9.0 or later. Download bazelisk and copy it to /usr/bin/bazel.
• ALSA: Standard Linux audio development headers/libraries.
• X11: Required for VST3 plugin editors.

(Windows)

• JDK 21 or later. https://download.oracle.com/java/21/latest/jdk-21_windows-x64_bin.zip (see https://www.oracle.com/java/technologies/downloads/#jdk21-windows)
• MSYS2 and set BAZEL_SH=C:\msys64\usr\bin\bash.exe in environment variables. (see https://bazel.build/configure/windows)

To build and run the complete Hibiki DAW:

bazel run -c opt //:hibiki-gui-java

Verifies the high-performance C++ engine and Java GUI frontend:

bazel test //:all -c opt --test_output=all

Common

• pb/*.proto: Protobuf schemas for IPC and project configuration.
• testdata/: Sample MIDI files and test plugins.

Audio engine backend

• main.cpp: C++ audio engine entry point and IPC handler.
• vst3_host.cpp: VST3 hosting implementation.
• midi.cpp: MIDI event library.
• alsa_out.cpp: ALSA audio playback.

GUI frontend

• src/main/java/hibiki: Java Swing GUI frontend.