Audio: add CoreAudio support

Signed-off-by: Wu Jianhua <toqsxw@outlook.com>

Immortal/Audio/AudioPrecompiledHeader.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "IAudioDevice.h"
+#include "Device.h"
+
+#ifdef _WIN32
+#include "WASAPI.h"
+#elif defined(__APPLE__)
+#include "CoreAudio.h"
+#elif defined(__linux__)
+#include "ALSA.h"
+#endif

Immortal/Audio/CMakeLists.txt

@@ -0,0 +1,47 @@
+cmake_minimum_required(VERSION 3.16)
+
+set (CMAKE_VERBOSE_MAKEFILE ON)
+set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+
+project("ImmortalAudio" LANGUAGES CXX)
+
+set(AUDIO_FILES
+    IAudioDevice.cpp
+    IAudioDevice.h
+    Device.cpp
+    Device.h)
+
+if (WIN32)
+    list(APPEND AUDIO_FILES
+        WASAPI.cpp
+        WASAPI.h)
+elseif(APPLE)
+    list(APPEND AUDIO_FILES
+        CoreAudio.mm
+        CoreAudio.h)
+elseif(UNIX)
+    list(APPEND AUDIO_FILES
+        ALSA.cpp
+        ALSA.h)
+endif()
+
+list(TRANSFORM AUDIO_FILES PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/")
+
+source_group("\\" FILES ${AUDIO_FILES})
+
+add_library(${PROJECT_NAME} STATIC ${AUDIO_FILES})
+
+target_link_libraries(${PROJECT_NAME} PUBLIC 
+    ImmortalShared
+    ImmortalVision)
+
+if (NOT APPLE)
+    target_precompile_headers(${PROJECT_NAME} PUBLIC $<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/AudioPrecompiledHeader.h>)
+else()
+    target_link_libraries(${PROJECT_NAME} PRIVATE
+        "-framework Cocoa"
+        "-framework IOKit"
+        "-framework CoreFoundation"
+        "-framework CoreAudio"
+        "-framework AudioToolBox")
+endif()