PulseAudio extension

CMakeLists.txt

@@ -36,13 +36,32 @@ endif()
 
 add_subdirectory(quasar)
 
-if(WIN32 AND BUILD_SAMPLE_EXTENSIONS)
-    add_subdirectory(extensions/win_simple_perf)
+if(BUILD_SAMPLE_EXTENSIONS)
+    if(WIN32)
+        add_subdirectory(extensions/win_simple_perf)
 
-    if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-        option(KFR_ENABLE_DFT_MULTIARCH "" ON)
-        add_subdirectory(3rdparty/kfr EXCLUDE_FROM_ALL)
-        add_subdirectory(extensions/win_audio_viz)
+        if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+            option(KFR_ENABLE_DFT_MULTIARCH "" ON)
+            add_subdirectory(3rdparty/kfr EXCLUDE_FROM_ALL)
+            add_subdirectory(extensions/win_audio_viz)
+        else()
+            message("quasar: win_audio_viz extension requires Clang. Skip building win_audio_viz extension.")
+        endif()
+    elseif(LINUX)
+        find_package(PulseAudio QUIET)
+        if(PULSEAUDIO_FOUND)
+            message("quasar: PulseAudio found")
+            if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+                set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
+                set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
+                add_subdirectory(3rdparty/kfr EXCLUDE_FROM_ALL)
+                add_subdirectory(extensions/pulse_viz)
+            else()
+                message("quasar: pulse_viz extension requires Clang. Skip building pulse_viz extension.")
+            endif()
+        else()
+            message("quasar: PulseAudio devel packages not found. Try installing libpulse-dev on Ubuntu/Debian. Skip building pulse_viz extension.")
+        endif()
     endif()
 endif()
 

extensions/pulse_viz/CMakeLists.txt

@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 3.23)
+
+project(pulse_viz)
+
+find_package(fmt CONFIG REQUIRED)
+find_package(PulseAudio REQUIRED)
+
+add_library(pulse_viz MODULE
+  pulse_viz.cpp
+)
+
+add_dependencies(pulse_viz quasar)
+target_compile_features(pulse_viz PRIVATE cxx_std_20)
+target_compile_definitions(pulse_viz PRIVATE KFR_STD_COMPLEX)
+target_link_libraries(pulse_viz PRIVATE kfr kfr_dft)
+target_link_libraries(pulse_viz PRIVATE quasar extension-api)
+target_link_libraries(pulse_viz PRIVATE fmt::fmt)
+target_link_libraries(pulse_viz PRIVATE pulse-simple pulse)
+
+install(TARGETS pulse_viz DESTINATION quasar/extensions)