Add: Support sound effects in Ogg Opus format.

cmake/FindOgg.cmake

@@ -0,0 +1,37 @@
+include(FindPackageHandleStandardArgs)
+
+find_library(Ogg_LIBRARY
+    NAMES ogg
+)
+
+set(Ogg_COMPILE_OPTIONS "" CACHE STRING "Extra compile options of ogg")
+
+set(Ogg_LINK_LIBRARIES "" CACHE STRING "Extra link libraries of ogg")
+
+set(Ogg_LINK_FLAGS "" CACHE STRING "Extra link flags of ogg")
+
+find_path(Ogg_INCLUDE_PATH
+    NAMES ogg.h
+    PATH_SUFFIXES ogg
+)
+
+find_package_handle_standard_args(Ogg
+    REQUIRED_VARS Ogg_LIBRARY Ogg_INCLUDE_PATH
+)
+
+if (Ogg_FOUND)
+    set(Ogg_dirs ${Ogg_INCLUDE_PATH})
+    if(EXISTS "${Ogg_INCLUDE_PATH}/ogg")
+        list(APPEND Ogg_dirs "${Ogg_INCLUDE_PATH}/ogg")
+    endif()
+    if (NOT TARGET Ogg::ogg)
+        add_library(Ogg::ogg UNKNOWN IMPORTED)
+        set_target_properties(Ogg::ogg PROPERTIES
+            IMPORTED_LOCATION "${Ogg_LIBRARY}"
+            INTERFACE_INCLUDE_DIRECTORIES "${Ogg_dirs}"
+            INTERFACE_COMPILE_OPTIONS "${Ogg_COMPILE_OPTIONS}"
+            INTERFACE_LINK_LIBRARIES "${Ogg_LINK_LIBRARIES}"
+            INTERFACE_LINK_FLAGS "${Ogg_LINK_FLAGS}"
+        )
+    endif()
+endif()

cmake/FindOpus.cmake

@@ -0,0 +1,37 @@
+include(FindPackageHandleStandardArgs)
+
+find_library(Opus_LIBRARY
+    NAMES opus
+)
+
+set(Opus_COMPILE_OPTIONS "" CACHE STRING "Extra compile options of opus")
+
+set(Opus_LINK_LIBRARIES "" CACHE STRING "Extra link libraries of opus")
+
+set(Opus_LINK_FLAGS "" CACHE STRING "Extra link flags of opus")
+
+find_path(Opus_INCLUDE_PATH
+    NAMES opus.h
+    PATH_SUFFIXES opus
+)
+
+find_package_handle_standard_args(Opus
+    REQUIRED_VARS Opus_LIBRARY Opus_INCLUDE_PATH
+)
+
+if (Opus_FOUND)
+    set(Opus_dirs ${Opus_INCLUDE_PATH})
+    if(EXISTS "${Opus_INCLUDE_PATH}/opus")
+        list(APPEND Opus_dirs "${Opus_INCLUDE_PATH}/opus")
+    endif()
+    if (NOT TARGET Opus::opus)
+        add_library(Opus::opus UNKNOWN IMPORTED)
+        set_target_properties(Opus::opus PROPERTIES
+            IMPORTED_LOCATION "${Opus_LIBRARY}"
+            INTERFACE_INCLUDE_DIRECTORIES "${Opus_dirs}"
+            INTERFACE_COMPILE_OPTIONS "${Opus_COMPILE_OPTIONS}"
+            INTERFACE_LINK_LIBRARIES "${Opus_LINK_LIBRARIES}"
+            INTERFACE_LINK_FLAGS "${Opus_LINK_FLAGS}"
+        )
+    endif()
+endif()

cmake/FindOpusFile.cmake

@@ -0,0 +1,40 @@
+include(FindPackageHandleStandardArgs)
+
+find_library(OpusFile_LIBRARY
+    NAMES opusfile
+)
+
+set(OpusFile_COMPILE_OPTIONS "" CACHE STRING "Extra compile options of opusfile")
+
+set(OpusFile_LINK_LIBRARIES "" CACHE STRING "Extra link libraries of opusfile")
+
+set(OpusFile_LINK_FLAGS "" CACHE STRING "Extra link flags of opusfile")
+
+find_path(OpusFile_INCLUDE_PATH
+    NAMES opusfile.h
+    PATH_SUFFIXES opus
+)
+
+find_package_handle_standard_args(OpusFile
+    REQUIRED_VARS OpusFile_LIBRARY OpusFile_INCLUDE_PATH
+)
+
+find_package(Ogg)
+find_package(Opus)
+
+if (OpusFile_FOUND)
+    set(OpusFile_dirs ${OpusFile_INCLUDE_PATH})
+    if(EXISTS "${OpusFile_INCLUDE_PATH}/opus")
+        list(APPEND OpusFile_dirs "${OpusFile_INCLUDE_PATH}/opus")
+    endif()
+    if (NOT TARGET OpusFile::opusfile)
+        add_library(OpusFile::opusfile UNKNOWN IMPORTED)
+        set_target_properties(OpusFile::opusfile PROPERTIES
+            IMPORTED_LOCATION "${OpusFile_LIBRARY}"
+            INTERFACE_INCLUDE_DIRECTORIES "${OpusFile_dirs}"
+            INTERFACE_COMPILE_OPTIONS "${OpusFile_COMPILE_OPTIONS}"
+            INTERFACE_LINK_LIBRARIES "Ogg::ogg;Opus::opus;${OpusFile_LINK_LIBRARIES}"
+            INTERFACE_LINK_FLAGS "${OpusFile_LINK_FLAGS}"
+        )
+    endif()
+endif()