Merge pull request #382 from wasphin/feature/use-pkgconfig-to-find-libav

优先使用 pkg-config 来查找 AV* 库

tests/CMakeLists.txt

@@ -8,20 +8,38 @@ if (SDL2_FOUND)
     message(STATUS "found library:${SDL2_LIBRARY}")
 endif (SDL2_FOUND)
 
+find_package(PkgConfig QUIET)
+
 #查找ffmpeg/libutil是否安装
-find_package(AVUTIL QUIET)
-if(AVUTIL_FOUND)
-    include_directories(${AVUTIL_INCLUDE_DIR})
-    list(APPEND  LINK_LIB_LIST ${AVUTIL_LIBRARIES})
-    message(STATUS "found library:${AVUTIL_LIBRARIES}")
+if(PKG_CONFIG_FOUND)
+    pkg_check_modules(AVUTIL QUIET IMPORTED_TARGET libavutil)
+    if(AVUTIL_FOUND)
+        list(APPEND  LINK_LIB_LIST PkgConfig::AVUTIL)
+        message(STATUS "found library:${AVUTIL_LIBRARY}")
+    endif()
+else()
+    find_package(AVUTIL QUIET)
+    if(AVUTIL_FOUND)
+        include_directories(${AVUTIL_INCLUDE_DIR})
+        list(APPEND  LINK_LIB_LIST ${AVUTIL_LIBRARIES})
+        message(STATUS "found library:${AVUTIL_LIBRARIES}")
+    endif()
 endif()
 
 #查找ffmpeg/libavcodec是否安装
-find_package(AVCODEC QUIET)
-if(AVCODEC_FOUND)
-    include_directories(${AVCODEC_INCLUDE_DIR})
-    list(APPEND  LINK_LIB_LIST ${AVCODEC_LIBRARIES})
-    message(STATUS "found library:${AVCODEC_LIBRARIES}")
+if(PKG_CONFIG_FOUND)
+    pkg_check_modules(AVCODEC QUIET IMPORTED_TARGET libavcodec)
+    if(AVCODEC_FOUND)
+        list(APPEND  LINK_LIB_LIST PkgConfig::AVCODEC)
+        message(STATUS "found library:${AVCODEC_LIBRARY}")
+    endif()
+else()
+    find_package(AVCODEC QUIET)
+    if(AVCODEC_FOUND)
+        include_directories(${AVCODEC_INCLUDE_DIR})
+        list(APPEND  LINK_LIB_LIST ${AVCODEC_LIBRARIES})
+        message(STATUS "found library:${AVCODEC_LIBRARIES}")
+    endif()
 endif()
 
 aux_source_directory(. TEST_SRC_LIST)