Improve/fix cmake find modules

cmake/Modules/FindJansson.cmake

@@ -25,17 +25,19 @@ else()
 	find_path(Jansson_INCLUDE_DIR
 		NAMES jansson.h
 		HINTS
+			${_JANSSON_INCLUDE_DIRS}
 			ENV JanssonPath
 			ENV ${JANSSON_PATH_ARCH}
-			${_JANSSON_INCLUDE_DIRS}
+		PATHS
 			/usr/include /usr/local/include /opt/local/include /sw/include)
 
 	find_library(Jansson_LIB
-		NAMES jansson libjansson
+		NAMES ${_JANSSON_LIBRARIES} jansson libjansson
 		HINTS
-			${Jansson_INCLUDE_DIR}/../lib
-			${Jansson_INCLUDE_DIR}/lib${_lib_suffix}
 			${_JANSSON_LIBRARY_DIRS}
+			"${Jansson_INCLUDE_DIR}/../lib"
+			"${Jansson_INCLUDE_DIR}/lib${_lib_suffix}"
+		PATHS
 			/usr/lib /usr/local/lib /opt/local/lib /sw/lib)
  
 	if(JANSSON_VERSION)

cmake/Modules/FindLibavcodec.cmake

@@ -28,7 +28,7 @@ else()
 	find_path(FFMPEG_INCLUDE_DIR
 		NAMES libavcodec/avcodec.h
 		HINTS
-			"${_AVCODEC_INCLUDE_DIRS}"
+			${_AVCODEC_INCLUDE_DIRS}
 			"${CMAKE_SOURCE_DIR}/additional_install_files/include"
 			"$ENV{obsAdditionalInstallFiles}/include"
 			ENV FFmpegPath
@@ -40,7 +40,7 @@ else()
 	find_library(AVCODEC_LIB
 		NAMES ${_AVCODEC_LIBRARIES} avcodec-ffmpeg avcodec
 		HINTS
-			"${_AVCODEC_LIBRARY_DIRS}"
+			${_AVCODEC_LIBRARY_DIRS}
 			"${FFMPEG_INCLUDE_DIR}/../lib"
 			"${FFMPEG_INCLUDE_DIR}/../lib${_lib_suffix}"
 			"${FFMPEG_INCLUDE_DIR}/../libs${_lib_suffix}"

cmake/Modules/FindLibavformat.cmake

@@ -24,7 +24,7 @@ else()
 	find_path(FFMPEG_INCLUDE_DIR
 		NAMES libavformat/avformat.h
 		HINTS
-			"${_AVFORMAT_INCLUDE_DIRS}"
+			${_AVFORMAT_INCLUDE_DIRS}
 			"${CMAKE_SOURCE_DIR}/additional_install_files/include"
 			"$ENV{obsAdditionalInstallFiles}/include"
 			ENV FFmpegPath
@@ -36,7 +36,7 @@ else()
 	find_library(AVFORMAT_LIB
 		NAMES ${_AVFORMAT_LIBRARIES} avformat-ffmpeg avformat
 		HINTS
-			"${_AVFORMAT_LIBRARY_DIRS}"
+			${_AVFORMAT_LIBRARY_DIRS}
 			"${FFMPEG_INCLUDE_DIR}/../lib"
 			"${FFMPEG_INCLUDE_DIR}/../lib${_lib_suffix}"
 			"${FFMPEG_INCLUDE_DIR}/../libs${_lib_suffix}"

cmake/Modules/FindLibavutil.cmake

@@ -24,7 +24,7 @@ else()
 	find_path(FFMPEG_INCLUDE_DIR
 		NAMES libavutil/avutil.h
 		HINTS
-			"${_AVUTIL_INCLUDE_DIRS}"
+			${_AVUTIL_INCLUDE_DIRS}
 			"${CMAKE_SOURCE_DIR}/additional_install_files/include"
 			"$ENV{obsAdditionalInstallFiles}/include"
 			ENV FFmpegPath
@@ -36,7 +36,7 @@ else()
 	find_library(AVUTIL_LIB
 		NAMES ${_AVUTIL_LIBRARIES} avutil-ffmpeg avutil
 		HINTS
-			"${_AVUTIL_LIBRARY_DIRS}"
+			${_AVUTIL_LIBRARY_DIRS}
 			"${FFMPEG_INCLUDE_DIR}/../lib"
 			"${FFMPEG_INCLUDE_DIR}/../lib${_lib_suffix}"
 			"${FFMPEG_INCLUDE_DIR}/../libs${_lib_suffix}"

cmake/Modules/FindLibfdk.cmake

@@ -29,24 +29,26 @@ else()
 	find_path(Libfdk_INCLUDE_DIR
 		NAMES fdk-aac/aacenc_lib.h
 		HINTS
+			${_LIBFDK_INCLUDE_DIRS}
 			"${CMAKE_SOURCE_DIR}/additional_install_files/include"
 			"$ENV{obsAdditionalInstallFiles}/include"
 			ENV LibfdkPath
 			ENV FFmpegPath
 			ENV ${LIBFDK_PATH_ARCH}
 			ENV ${FFMPEG_PATH_ARCH}
-			"${_LIBFDK_INCLUDE_DIRS}"
+		PATHS
 			/usr/include /usr/local/include /opt/local/include /sw/include)
 
 	find_library(Libfdk_LIB
-		NAMES fdk-aac libfdk-aac
+		NAMES ${_LIBFDK_LIBRARIES} fdk-aac libfdk-aac
 		HINTS
+			${_LIBFDK_LIBRARY_DIRS}
 			"${Libfdk_INCLUDE_DIR}/../lib"
 			"${Libfdk_INCLUDE_DIR}/../lib${_lib_suffix}"
 			"${Libfdk_INCLUDE_DIR}/../libs${_lib_suffix}"
 			"${Libfdk_INCLUDE_DIR}/lib"
 			"${Libfdk_INCLUDE_DIR}/lib${_lib_suffix}"
-			"${_LIBFDK_LIBRARY_DIRS}"
+		PATHS
 			/usr/lib /usr/local/lib /opt/local/lib /sw/lib)
 
 	set(LIBFDK_INCLUDE_DIRS ${Libfdk_INCLUDE_DIR} CACHE PATH "Libfdk include dir")

cmake/Modules/FindLibswresample.cmake

@@ -24,7 +24,7 @@ else()
 	find_path(FFMPEG_INCLUDE_DIR
 		NAMES libswresample/swresample.h
 		HINTS
-			"${_SWRESAMPLE_INCLUDE_DIRS}"
+			${_SWRESAMPLE_INCLUDE_DIRS}
 			"${CMAKE_SOURCE_DIR}/additional_install_files/include"
 			"$ENV{obsAdditionalInstallFiles}/include"
 			ENV FFmpegPath
@@ -36,7 +36,7 @@ else()
 	find_library(SWRESAMPLE_LIB
 		NAMES ${_SWRESAMPLE_LIBRARIES} swresample-ffmpeg swresample
 		HINTS
-			"${_SWRESAMPLE_LIBRARY_DIRS}"
+			${_SWRESAMPLE_LIBRARY_DIRS}
 			"${FFMPEG_INCLUDE_DIR}/../lib"
 			"${FFMPEG_INCLUDE_DIR}/../lib${_lib_suffix}"
 			"${FFMPEG_INCLUDE_DIR}/../libs${_lib_suffix}"

cmake/Modules/FindLibswscale.cmake

@@ -24,7 +24,7 @@ else()
 	find_path(FFMPEG_INCLUDE_DIR
 		NAMES libswscale/swscale.h
 		HINTS
-			"${_SWSCALE_INCLUDE_DIRS}"
+			${_SWSCALE_INCLUDE_DIRS}
 			"${CMAKE_SOURCE_DIR}/additional_install_files/include"
 			"$ENV{obsAdditionalInstallFiles}/include"
 			ENV FFmpegPath
@@ -36,7 +36,7 @@ else()
 	find_library(SWSCALE_LIB
 		NAMES ${_SWSCALE_LIBRARIES} swscale-ffmpeg swscale
 		HINTS
-			"${_SWSCALE_LIBRARY_DIRS}"
+			${_SWSCALE_LIBRARY_DIRS}
 			"${FFMPEG_INCLUDE_DIR}/../lib"
 			"${FFMPEG_INCLUDE_DIR}/../lib${_lib_suffix}"
 			"${FFMPEG_INCLUDE_DIR}/../libs${_lib_suffix}"

cmake/Modules/FindLibx264.cmake

@@ -29,24 +29,26 @@ else()
 	find_path(X264_INCLUDE_DIR
 		NAMES x264.h
 		HINTS
+			${_X264_INCLUDE_DIRS}
 			"${CMAKE_SOURCE_DIR}/additional_install_files/include"
 			"$ENV{obsAdditionalInstallFiles}/include"
 			ENV x264Path
 			ENV FFmpegPath
 			ENV ${X264_PATH_ARCH}
 			ENV ${FFMPEG_PATH_ARCH}
-			"${_X264_INCLUDE_DIRS}"
+		PATHS
 			/usr/include /usr/local/include /opt/local/include /sw/include)
 
 	find_library(X264_LIB
-		NAMES x264 libx264
+		NAMES ${_X264_LIBRARIES} x264 libx264
 		HINTS
+			${_X264_LIBRARY_DIRS}
 			"${X264_INCLUDE_DIR}/../lib"
 			"${X264_INCLUDE_DIR}/../lib${_lib_suffix}"
 			"${X264_INCLUDE_DIR}/../libs${_lib_suffix}"
 			"${X264_INCLUDE_DIR}/lib"
 			"${X264_INCLUDE_DIR}/lib${_lib_suffix}"
-			"${_X264_LIBRARY_DIRS}"
+		PATHS
 			/usr/lib /usr/local/lib /opt/local/lib /sw/lib)
 
 	set(LIBX264_INCLUDE_DIRS ${X264_INCLUDE_DIR} CACHE PATH "x264 include dir")