Add CMake compatibility for MinGW

CMakeLists.txt

@@ -0,0 +1,268 @@
+cmake_minimum_required(VERSION 3.20)
+project(video-decode VERSION 1.0)
+
+
+# ${PROJECT_NAME}
+set(LIB_SOURCES
+        src/vdec.c
+)
+
+add_library(${PROJECT_NAME} SHARED ${LIB_SOURCES})
+
+# checks if set up rpath exists for install
+if(COMMAND set_up_rpath)
+    #set_up_rpath()
+else()
+    message("Set up rpath not defined!")
+endif()
+
+option(BUILD_SHARED_LIBS "Build using shared libraries" ON)
+
+set_target_properties(${PROJECT_NAME} PROPERTIES
+                    POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS}
+)
+
+# -- PROJECT
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+                            # $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/ffmpeg/include>
+                            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+                            $<INSTALL_INTERFACE:include>
+)
+
+target_compile_definitions(${PROJECT_NAME} PRIVATE "VDEC_API_EXPORTS")
+target_compile_definitions(${PROJECT_NAME} PRIVATE "BUILD_LIBVIDEO_DECODE_FFMPEG")
+target_compile_definitions(${PROJECT_NAME} PRIVATE "_GNU_SOURCE")
+target_compile_options(${PROJECT_NAME} PRIVATE "-fvisibility=hidden")
+target_compile_options(${PROJECT_NAME} PRIVATE "-std=gnu99")
+
+
+#  -- CORE
+
+set(LIB_SOURCES
+    core/src/vdec_dbg.c
+    core/src/vdec_enums.c
+    core/src/vdec_format.c
+    core/src/vdec_h264.c
+    core/src/vdec_h265.c
+)
+
+add_library(${PROJECT_NAME}-core SHARED ${LIB_SOURCES})
+
+set_target_properties(${PROJECT_NAME}-core PROPERTIES
+                    POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS}
+)
+
+target_include_directories(${PROJECT_NAME}-core PUBLIC
+                            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/core/include>
+                            $<INSTALL_INTERFACE:include>
+)
+
+target_compile_definitions(${PROJECT_NAME}-core PRIVATE "VDEC_API_EXPORTS")
+target_compile_definitions(${PROJECT_NAME}-core PRIVATE "_GNU_SOURCE")
+target_compile_options(${PROJECT_NAME}-core PRIVATE "-fvisibility=hidden")
+target_compile_options(${PROJECT_NAME}-core PRIVATE "-std=gnu99")
+target_compile_definitions(${PROJECT_NAME}-core PRIVATE "BUILD_LIBVIDEO_DECODE_FFMPEG")
+
+
+# -- ffmpeg
+set(LIB_SOURCES
+      ffmpeg/src/vdec_ffmpeg.c
+)
+
+add_library(${PROJECT_NAME}-ffmpeg SHARED ${LIB_SOURCES})
+
+set_target_properties(${PROJECT_NAME}-ffmpeg PROPERTIES
+                    POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS}
+)
+
+target_include_directories(${PROJECT_NAME}-ffmpeg PUBLIC
+                            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/ffmpeg/include>
+                            $<INSTALL_INTERFACE:include>
+)
+
+target_compile_definitions(${PROJECT_NAME}-ffmpeg PRIVATE "VDEC_API_EXPORTS")
+target_compile_definitions(${PROJECT_NAME}-ffmpeg PRIVATE "_GNU_SOURCE")
+target_compile_options(${PROJECT_NAME}-ffmpeg PRIVATE "-fvisibility=hidden")
+target_compile_options(${PROJECT_NAME}-ffmpeg PRIVATE "-std=gnu99")
+
+if((NOT DEFINED FFMPEG_INCLUDE_DIRS OR NOT DEFINED FFMPEG_LIBRARY_DIRS))
+    find_package(FFMPEG REQUIRED)
+endif()
+if(NOT DEFINED FFMPEG_LIBRARIES) 
+    set(FFMPEG_LIBRARIES
+        avcodec 
+        avdevice 
+        avfilter 
+        avformat 
+        avutil 
+        swresample 
+        swscale
+    )
+endif()
+
+if((NOT DEFINED FFMPEG_INCLUDE_DIRS OR NOT DEFINED FFMPEG_LIBRARY_DIRS))
+    message(FATAL_ERROR "Need to set FFMPEG_INCLUDE_DIRS and FFMPEG_LIBRARY_DIRS!")
+else()
+
+    if(CMAKE_BUILD_TYPE MATCHES DEBUG)
+        list(FIND FFMPEG_LIBRARY_DIRS debug lib_index)
+    else()
+        list(FIND FFMPEG_LIBRARY_DIRS optimized lib_index)
+    endif()
+    math(EXPR lib_index "${lib_index} + 1")
+    list(GET FFMPEG_LIBRARY_DIRS ${lib_index} FFMPEG_LIBRARY_DIRECTORY)
+
+    message(INFO " FFMPEG SOURCES: ") 
+    message(INFO " 1. FFMPEG_INCLUDE_DIRS: ${FFMPEG_INCLUDE_DIRS}") 
+    message(INFO " 2. FFMPEG_LIBRARY_DIRECTORY: ${FFMPEG_LIBRARY_DIRECTORY}") 
+
+    target_include_directories(${PROJECT_NAME}-ffmpeg PUBLIC ${FFMPEG_INCLUDE_DIRS})
+    target_link_directories(${PROJECT_NAME}-ffmpeg PUBLIC ${FFMPEG_LIBRARY_DIRECTORY})
+
+    if(WIN32)
+
+        target_link_libraries(${PROJECT_NAME} 
+                              PRIVATE 
+                              ws2_32
+                              media-buffers
+                              futils
+                              h264 
+                              pomp 
+                              h265 
+                              ulog 
+                              ${PROJECT_NAME}-core 
+                              ${PROJECT_NAME}-ffmpeg 
+                              video-defs
+                              )
+
+        target_link_libraries(${PROJECT_NAME}-ffmpeg 
+                               PRIVATE 
+                               ws2_32
+                               ${FFMPEG_LIBRARIES}
+                               futils 
+                               media-buffers 
+                               media-buffers-memory 
+                               media-buffers-memory-generic
+                               pomp
+                               ulog 
+                               ${PROJECT_NAME}-core
+                               video-defs 
+                               video-metadata
+                               )
+
+        target_link_libraries(${PROJECT_NAME}-core 
+                                    PRIVATE 
+                                    ws2_32
+                                    pomp
+                                    futils 
+                                    h264 
+                                    h265 
+                                    media-buffers 
+                                    media-buffers-memory 
+                                    ulog 
+                                    video-defs 
+                                    video-metadata
+                              )
+
+    install(CODE "set(FFMPEG_LIBRARY_DIRECTORY \"${FFMPEG_LIBRARY_DIRECTORY}/../bin\")")
+    install(CODE [[
+    file(GET_RUNTIME_DEPENDENCIES
+        LIBRARIES $<TARGET_FILE:video-decode-ffmpeg>
+        RESOLVED_DEPENDENCIES_VAR _r_deps
+        UNRESOLVED_DEPENDENCIES_VAR _u_deps
+        DIRECTORIES ${FFMPEG_LIBRARY_DIRECTORY}
+        POST_EXCLUDE_REGEXES ".*system32/.*\\.dll"
+    )
+    foreach(_file ${_r_deps})
+        file(INSTALL
+            DESTINATION "${CMAKE_INSTALL_PREFIX}/bin"
+            TYPE SHARED_LIBRARY
+            FOLLOW_SYMLINK_CHAIN
+            FILES "${_file}"
+        )
+    endforeach()
+]])
+
+    else()
+
+        target_link_libraries(${PROJECT_NAME} 
+                    PRIVATE
+                    media-buffers
+                    futils
+                    h264 
+                    pomp 
+                    h265 
+                    ulog 
+                    ${PROJECT_NAME}-core 
+                    ${PROJECT_NAME}-ffmpeg 
+                    video-defs
+                    )
+
+        target_link_libraries(${PROJECT_NAME}-core 
+                               PRIVATE
+                               pomp
+                               futils 
+                               h264 
+                               h265 
+                               media-buffers 
+                               media-buffers-memory 
+                               ulog 
+                               video-defs 
+                               video-metadata
+                            )
+
+        target_link_libraries(${PROJECT_NAME}-ffmpeg
+                                PRIVATE
+                                ${FFMPEG_LIBRARIES}
+                                futils 
+                                media-buffers 
+                                media-buffers-memory 
+                                media-buffers-memory-generic
+                                pomp
+                                ulog 
+                                ${PROJECT_NAME}-core
+                                video-defs 
+                                video-metadata
+        )
+
+        install(CODE [[
+            file(GET_RUNTIME_DEPENDENCIES
+                LIBRARIES $<TARGET_FILE:video-decode-ffmpeg>
+                RESOLVED_DEPENDENCIES_VAR _r_deps
+                UNRESOLVED_DEPENDENCIES_VAR _u_deps
+                POST_EXCLUDE_REGEXES "^/lib" "^/usr/lib"
+            )
+            foreach(_file ${_r_deps})
+                file(INSTALL
+                DESTINATION "${CMAKE_INSTALL_PREFIX}/lib"
+                TYPE SHARED_LIBRARY
+                FOLLOW_SYMLINK_CHAIN
+                FILES "${_file}"
+                )
+            endforeach()
+        ]])
+
+    endif()
+
+    install(TARGETS ${PROJECT_NAME}
+            EXPORT ${PROJECT_NAME}-targets
+            ARCHIVE DESTINATION lib
+            LIBRARY DESTINATION lib
+            RUNTIME DESTINATION bin
+            )
+
+    install(TARGETS ${PROJECT_NAME}-ffmpeg
+            EXPORT ${PROJECT_NAME}-ffmpeg-targets
+            ARCHIVE DESTINATION lib
+            LIBRARY DESTINATION lib
+            RUNTIME DESTINATION bin
+            )
+
+    install(TARGETS ${PROJECT_NAME}-core
+            EXPORT ${PROJECT_NAME}-core-targets
+            ARCHIVE DESTINATION lib
+            LIBRARY DESTINATION lib
+            RUNTIME DESTINATION bin
+            )
+endif()