initial commit

CMakeLists.txt

@@ -0,0 +1,81 @@
+cmake_minimum_required(VERSION 3.16)
+project(baudline VERSION 1.0.0 LANGUAGES C CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# Build type defaults
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE Release)
+endif()
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -march=native -DNDEBUG")
+set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -fsanitize=address,undefined")
+
+# ── Dependencies ──────────────────────────────────────────────────────────────
+
+find_package(PkgConfig REQUIRED)
+find_package(OpenGL REQUIRED)
+
+pkg_check_modules(SDL2 REQUIRED IMPORTED_TARGET sdl2)
+pkg_check_modules(FFTW3F REQUIRED IMPORTED_TARGET fftw3f)
+pkg_check_modules(PORTAUDIO REQUIRED IMPORTED_TARGET portaudio-2.0)
+pkg_check_modules(SNDFILE REQUIRED IMPORTED_TARGET sndfile)
+
+# ── ImGui via FetchContent ────────────────────────────────────────────────────
+
+include(FetchContent)
+FetchContent_Declare(
+    imgui
+    GIT_REPOSITORY https://github.com/ocornut/imgui.git
+    GIT_TAG        v1.91.8
+)
+FetchContent_MakeAvailable(imgui)
+
+add_library(imgui STATIC
+    ${imgui_SOURCE_DIR}/imgui.cpp
+    ${imgui_SOURCE_DIR}/imgui_demo.cpp
+    ${imgui_SOURCE_DIR}/imgui_draw.cpp
+    ${imgui_SOURCE_DIR}/imgui_tables.cpp
+    ${imgui_SOURCE_DIR}/imgui_widgets.cpp
+    ${imgui_SOURCE_DIR}/backends/imgui_impl_sdl2.cpp
+    ${imgui_SOURCE_DIR}/backends/imgui_impl_opengl3.cpp
+)
+target_include_directories(imgui PUBLIC
+    ${imgui_SOURCE_DIR}
+    ${imgui_SOURCE_DIR}/backends
+)
+target_link_libraries(imgui PUBLIC PkgConfig::SDL2 OpenGL::GL)
+
+# ── Application ───────────────────────────────────────────────────────────────
+
+set(SOURCES
+    src/main.cpp
+    src/dsp/WindowFunctions.cpp
+    src/dsp/FFTProcessor.cpp
+    src/dsp/SpectrumAnalyzer.cpp
+    src/audio/PortAudioSource.cpp
+    src/audio/FileSource.cpp
+    src/ui/ColorMap.cpp
+    src/ui/WaterfallDisplay.cpp
+    src/ui/SpectrumDisplay.cpp
+    src/ui/Cursors.cpp
+    src/ui/Application.cpp
+)
+
+add_executable(baudline ${SOURCES})
+target_include_directories(baudline PRIVATE src)
+target_link_libraries(baudline PRIVATE
+    imgui
+    PkgConfig::SDL2
+    PkgConfig::FFTW3F
+    PkgConfig::PORTAUDIO
+    PkgConfig::SNDFILE
+    OpenGL::GL
+    pthread
+)
+
+# Link math library on Unix
+if(UNIX)
+    target_link_libraries(baudline PRIVATE m)
+endif()