Add libwebm, libvpx, libyuv dependencies

Libvpx is built with configure script and make.
Unfortunate but the configure script is very dense and I'm
not sure if it's worth translating into CMake, since it
apparently does CPU detection for optimizations.

CMakeLists.txt

@@ -132,6 +132,7 @@ if("${SRB2_CONFIG_SYSTEM_LIBRARIES}")
 	find_package(SDL2 REQUIRED)
 	find_package(CURL REQUIRED)
 	find_package(GME REQUIRED)
+	find_package(VPX REQUIRED)
 endif()
 
 if(${PROJECT_SOURCE_DIR} MATCHES ${PROJECT_BINARY_DIR})

cmake/Modules/FindVPX.cmake

@@ -0,0 +1,33 @@
+include(LibFindMacros)
+
+libfind_pkg_check_modules(VPX_PKGCONF VPX)
+
+find_path(VPX_INCLUDE_DIR
+	NAMES vpx/vp8.h
+	PATHS
+		${VPX_PKGCONF_INCLUDE_DIRS}
+		"/usr/include"
+		"/usr/local/include"
+)
+
+find_library(VPX_LIBRARY
+	NAMES vpx
+	PATHS
+		${VPX_PKGCONF_LIBRARY_DIRS}
+		"/usr/lib"
+		"/usr/local/lib"
+)
+
+set(VPX_PROCESS_INCLUDES VPX_INCLUDE_DIR)
+set(VPX_PROCESS_LIBS VPX_LIBRARY)
+libfind_process(VPX)
+
+if(VPX_FOUND AND NOT TARGET webm::libvpx)
+	add_library(webm::libvpx UNKNOWN IMPORTED)
+	set_target_properties(
+		webm::libvpx
+		PROPERTIES
+		IMPORTED_LOCATION "${VPX_LIBRARY}"
+		INTERFACE_INCLUDE_DIRECTORIES "${VPX_INCLUDE_DIR}"
+	)
+endif()

src/CMakeLists.txt

@@ -229,6 +229,8 @@ target_link_libraries(SRB2SDL2 PRIVATE xmp-lite::xmp-lite)
 target_link_libraries(SRB2SDL2 PRIVATE glad::glad)
 target_link_libraries(SRB2SDL2 PRIVATE fmt)
 target_link_libraries(SRB2SDL2 PRIVATE imgui::imgui)
+target_link_libraries(SRB2SDL2 PRIVATE webm::libwebm webm::libvpx)
+target_link_libraries(SRB2SDL2 PRIVATE libyuv::libyuv)
 
 target_link_libraries(SRB2SDL2 PRIVATE acsvm)
 

thirdparty/CMakeLists.txt

@@ -15,6 +15,7 @@ include("cpm-sdl2.cmake")
 	include("cpm-png.cmake")
 	include("cpm-curl.cmake")
 	include("cpm-libgme.cmake")
+	include("cpm-libvpx.cmake")
 endif()
 
 include("cpm-rapidjson.cmake")
@@ -23,6 +24,8 @@ include("cpm-xmp-lite.cmake")
 include("cpm-fmt.cmake")
 include("cpm-imgui.cmake")
 include("cpm-acsvm.cmake")
+include("cpm-libwebm.cmake")
+include("cpm-libyuv.cmake")
 
 add_subdirectory(tcbrindle_span)
 add_subdirectory(stb_vorbis)

thirdparty/cpm-libvpx.cmake

@@ -0,0 +1,37 @@
+CPMAddPackage(
+	NAME libvpx
+	VERSION 1.12.0
+	URL "https://chromium.googlesource.com/webm/libvpx/+archive/03265cd42b3783532de72f2ded5436652e6f5ce3.tar.gz"
+	EXCLUDE_FROM_ALL ON
+	DOWNLOAD_ONLY YES
+)
+
+if(libvpx_ADDED)
+	include(ExternalProject)
+
+	# libvpx configure script does CPU detection. So lets just
+	# call it instead of trying to do all that in CMake.
+	ExternalProject_Add(libvpx
+		PREFIX "${libvpx_BINARY_DIR}"
+		SOURCE_DIR "${libvpx_SOURCE_DIR}"
+		BINARY_DIR "${libvpx_BINARY_DIR}"
+		CONFIGURE_COMMAND sh "${libvpx_SOURCE_DIR}/configure"
+		--enable-vp8 --disable-vp9 --disable-vp8-decoder
+		--disable-examples --disable-tools --disable-docs
+		--disable-webm-io --disable-libyuv --disable-unit-tests
+		BUILD_COMMAND "make"
+		BUILD_BYPRODUCTS "${libvpx_BINARY_DIR}/libvpx.a"
+		INSTALL_COMMAND ""
+		USES_TERMINAL_CONFIGURE ON
+		USES_TERMINAL_BUILD ON
+	)
+
+	add_library(webm::libvpx STATIC IMPORTED GLOBAL)
+	add_dependencies(webm::libvpx libvpx)
+	set_target_properties(
+		webm::libvpx
+		PROPERTIES
+		IMPORTED_LOCATION "${libvpx_BINARY_DIR}/libvpx.a"
+		INTERFACE_INCLUDE_DIRECTORIES "${libvpx_SOURCE_DIR}"
+	)
+endif()

thirdparty/cpm-libwebm.cmake

@@ -0,0 +1,31 @@
+CPMAddPackage(
+	NAME libwebm
+	VERSION 1.0.0.29
+	URL "https://chromium.googlesource.com/webm/libwebm/+archive/2f9fc054ab9547ca06071ec68dab9d54960abb2e.tar.gz"
+	EXCLUDE_FROM_ALL ON
+	DOWNLOAD_ONLY YES
+)
+
+if(libwebm_ADDED)
+	set(libwebm_SOURCES
+
+		common/file_util.cc
+		common/file_util.h
+		common/hdr_util.cc
+		common/hdr_util.h
+		common/webmids.h
+
+		mkvmuxer/mkvmuxer.cc
+		mkvmuxer/mkvmuxer.h
+		mkvmuxer/mkvmuxertypes.h
+		mkvmuxer/mkvmuxerutil.cc
+		mkvmuxer/mkvmuxerutil.h
+		mkvmuxer/mkvwriter.cc
+		mkvmuxer/mkvwriter.h
+	)
+	list(TRANSFORM libwebm_SOURCES PREPEND "${libwebm_SOURCE_DIR}/")
+	add_library(webm STATIC ${libwebm_SOURCES})
+	target_include_directories(webm PUBLIC "${libwebm_SOURCE_DIR}")
+	target_compile_features(webm PRIVATE cxx_std_11)
+	add_library(webm::libwebm ALIAS webm)
+endif()

thirdparty/cpm-libyuv.cmake

@@ -0,0 +1,77 @@
+CPMAddPackage(
+	NAME libyuv
+	VERSION 0
+	URL "https://chromium.googlesource.com/libyuv/libyuv/+archive/b2528b0be934de1918e20c85fc170d809eeb49ab.tar.gz"
+	EXCLUDE_FROM_ALL ON
+	DOWNLOAD_ONLY YES
+)
+
+if(libyuv_ADDED)
+	set(libyuv_SOURCES
+
+    # Headers
+    include/libyuv.h
+    include/libyuv/basic_types.h
+    include/libyuv/compare.h
+    include/libyuv/convert.h
+    include/libyuv/convert_argb.h
+    include/libyuv/convert_from.h
+    include/libyuv/convert_from_argb.h
+    include/libyuv/cpu_id.h
+    include/libyuv/mjpeg_decoder.h
+    include/libyuv/planar_functions.h
+    include/libyuv/rotate.h
+    include/libyuv/rotate_argb.h
+    include/libyuv/rotate_row.h
+    include/libyuv/row.h
+    include/libyuv/scale.h
+    include/libyuv/scale_argb.h
+    include/libyuv/scale_rgb.h
+    include/libyuv/scale_row.h
+    include/libyuv/scale_uv.h
+    include/libyuv/version.h
+    include/libyuv/video_common.h
+
+    # Source Files
+    source/compare.cc
+    source/compare_common.cc
+    source/compare_gcc.cc
+    source/compare_win.cc
+    source/convert.cc
+    source/convert_argb.cc
+    source/convert_from.cc
+    source/convert_from_argb.cc
+    source/convert_jpeg.cc
+    source/convert_to_argb.cc
+    source/convert_to_i420.cc
+    source/cpu_id.cc
+    source/mjpeg_decoder.cc
+    source/mjpeg_validate.cc
+    source/planar_functions.cc
+    source/rotate.cc
+    source/rotate_any.cc
+    source/rotate_argb.cc
+    source/rotate_common.cc
+    source/rotate_gcc.cc
+    source/rotate_win.cc
+    source/row_any.cc
+    source/row_common.cc
+    source/row_gcc.cc
+    source/row_win.cc
+    source/scale.cc
+    source/scale_any.cc
+    source/scale_argb.cc
+    source/scale_common.cc
+    source/scale_gcc.cc
+    source/scale_rgb.cc
+    source/scale_uv.cc
+    source/scale_win.cc
+    source/video_common.cc
+	)
+	list(TRANSFORM libyuv_SOURCES PREPEND "${libyuv_SOURCE_DIR}/")
+	add_library(yuv STATIC ${libyuv_SOURCES})
+
+	target_include_directories(yuv PUBLIC "${libyuv_SOURCE_DIR}/include")
+
+	add_library(libyuv::libyuv ALIAS yuv)
+endif()