FreeRDP/cmake/FindFFmpeg.cmake

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CMake
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# - Try to find FFmpeg
# Using Pkg-config if available for path
#
# FFMPEG_FOUND - all required ffmpeg components found on system
# FFMPEG_INCLUDE_DIRS - combined include directories
# FFMPEG_LIBRARIES - combined libraries to link
include(FindPkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(AVCODEC libavcodec)
pkg_check_modules(AVUTIL libavutil)
endif ( PKG_CONFIG_FOUND )
# avcodec
find_path(AVCODEC_INCLUDE_DIR libavcodec/avcodec.h PATHS ${AVCODEC_INCLUDE_DIRS})
find_library(AVCODEC_LIBRARY avcodec PATHS ${AVCODEC_LIBRARY_DIRS})
# avutil
find_path(AVUTIL_INCLUDE_DIR libavutil/avutil.h PATHS ${AVUTIL_INCLUDE_DIRS})
find_library(AVUTIL_LIBRARY avutil PATHS ${AVUTIL_LIBRARY_DIRS})
if(AVCODEC_INCLUDE_DIR AND AVCODEC_LIBRARY)
set(AVCODEC_FOUND TRUE)
endif()
if(AVUTIL_INCLUDE_DIR AND AVUTIL_LIBRARY)
set(AVUTIL_FOUND TRUE)
endif()
FIND_PACKAGE_HANDLE_STANDARD_ARGS(FFmpeg DEFAULT_MSG AVUTIL_FOUND AVCODEC_FOUND)
if(FFMPEG_FOUND)
set(FFMPEG_INCLUDE_DIRS ${AVCODEC_INCLUDE_DIR} ${AVUTIL_INCLUDE_DIR})
set(FFMPEG_LIBRARIES ${AVCODEC_LIBRARY} ${AVUTIL_LIBRARY})
endif()
mark_as_advanced(FFMPEG_INCLUDE_DIRS FFMPEG_LIBRARYS)