add source code

CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(hello-ffmpeg-linux LANGUAGES C)
+link_directories("/home/lenn/ffmpeg_build/lib")
+include_directories("/home/lenn/ffmpeg_build/include")
+
+add_executable(hello-ffmpeg-linux main.c)
+target_link_libraries(${PROJECT_NAME} PRIVATE avutil)
+
+include(GNUInstallDirs)
+install(TARGETS hello-ffmpeg-linux
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)