118 lines
3.8 KiB
CMake
118 lines
3.8 KiB
CMake
# - Try to find FFMPEG
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# Once done this will define
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#
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# FFMPEG_FOUND - system has FFMPEG
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# FFMPEG_INCLUDE_DIR - the include directories
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# FFMPEG_LIBRARY_DIR - the directory containing the libraries
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# FFMPEG_LIBRARIES - link these to use FFMPEG
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# FFMPEG_SWSCALE_FOUND - FFMPEG also has SWSCALE
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#
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SET( FFMPEG_HEADERS avformat.h avcodec.h avutil.h avdevice.h )
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SET( FFMPEG_PATH_SUFFIXES libavformat libavcodec libavutil libavdevice libffmpeg )
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SET( FFMPEG_SWS_HEADERS swscale.h )
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SET( FFMPEG_SWS_PATH_SUFFIXES libswscale )
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SET( FFMPEG_LIBRARIES avformat avcodec avutil avdevice )
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SET( FFMPEG_SWS_LIBRARIES swscale )
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INCLUDE(FindPkgConfig)
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if ( PKG_CONFIG_FOUND )
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pkg_check_modules( AVFORMAT libavformat )
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pkg_check_modules( AVCODEC libavcodec )
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pkg_check_modules( AVUTIL libavutil )
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pkg_check_modules( AVDEVICE libavdevice )
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pkg_check_modules( SWSCALE libswscale )
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endif ( PKG_CONFIG_FOUND )
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SET( FFMPEG_LIBRARY_DIR ${AVFORMAT_LIBRARY_DIRS}
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${AVCODEC_LIBRARY_DIRS}
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${AVUTIL_LIBRARY_DIRS}
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${AVDEVICE_LIBRARY_DIRS} )
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SET( FFMPEG_INCLUDE_PATHS ${AVFORMAT_INCLUDE_DIRS}
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${AVCODEC_INCLUDE_DIRS}
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${AVUTIL_INCLUDE_DIRS}
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${AVDEVICE_INCLUDE_DIRS} )
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# add in swscale if found
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IF ( SWSCALE_FOUND )
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SET( FFMPEG_LIBRARY_DIR ${FFMPEG_LIBRARY_DIR}
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${SWSCALE_LIBRARY_DIRS} )
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SET( FFMPEG_INCLUDE_PATHS ${FFMPEG_INCLUDE_PATHS}
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${SWSCALE_INCLUDE_DIRS} )
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SET( FFMPEG_HEADERS ${FFMPEG_HEADERS}
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${FFMPEG_SWS_HEADERS} )
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SET( FFMPEG_PATH_SUFFIXES ${FFMPEG_PATH_SUFFIXES}
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${FFMPEG_SWS_PATH_SUFFIXES} )
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SET( FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES}
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${FFMPEG_SWS_LIBRARIES} )
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ENDIF ( SWSCALE_FOUND )
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# find includes
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SET( INC_SUCCESS 0 )
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SET( TMP_ TMP-NOTFOUND )
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SET( FFMPEG_INCLUDE_DIR ${FFMPEG_INCLUDE_PATHS} )
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FOREACH( INC_ ${FFMPEG_HEADERS} )
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message( "checking: " ${INC_} )
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FIND_PATH( TMP_ ${INC_}
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PATHS ${FFMPEG_INCLUDE_PATHS}
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PATH_SUFFIXES ${FFMPEG_PATH_SUFFIXES} )
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IF ( TMP_ )
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message( "found: " ${TMP_} )
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MATH( EXPR INC_SUCCESS ${INC_SUCCESS}+1 )
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SET( FFMPEG_INCLUDE_DIR ${FFMPEG_INCLUDE_DIR} ${TMP_} )
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ENDIF ( TMP_ )
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SET( TMP_ TMP-NOTFOUND )
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ENDFOREACH( INC_ )
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# clear out duplicates
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if(NOT "${FFMPEG_INCLUDE_DIR}" MATCHES "")
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LIST( REMOVE_DUPLICATES FFMPEG_INCLUDE_DIR )
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endif(NOT "${FFMPEG_INCLUDE_DIR}" MATCHES "")
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if(NOT "${FFMPEG_LIBRARY_DIR}" MATCHES "")
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LIST( REMOVE_DUPLICATES FFMPEG_LIBRARY_DIR )
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endif(NOT "${FFMPEG_LIBRARY_DIR}" MATCHES "")
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# find the full paths of the libraries
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SET( TMP_ TMP-NOTFOUND )
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IF ( NOT WIN32 )
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FOREACH( LIB_ ${FFMPEG_LIBRARIES} )
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FIND_LIBRARY( TMP_ NAMES ${LIB_} PATHS ${FFMPEG_LIBRARY_DIR} )
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IF ( TMP_ )
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SET( FFMPEG_LIBRARIES_FULL ${FFMPEG_LIBRARIES_FULL} ${TMP_} )
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ENDIF ( TMP_ )
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SET( TMP_ TMP-NOTFOUND )
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ENDFOREACH( LIB_ )
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SET ( FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES_FULL} )
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ENDIF( NOT WIN32 )
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LIST( LENGTH FFMPEG_HEADERS LIST_SIZE_ )
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SET( FFMPEG_FOUND FALSE )
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SET( FFMPEG_SWSCALE_FOUND FALSE )
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IF ( ${INC_SUCCESS} EQUAL ${LIST_SIZE_} )
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SET( FFMPEG_FOUND TRUE )
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SET( FFMPEG_SWSCALE_FOUND ${SWSCALE_FOUND} )
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ENDIF ( ${INC_SUCCESS} EQUAL ${LIST_SIZE_} )
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IF( USE_FFMPEG )
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IF( NOT WIN32 )
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IF( NOT FFMPEG_FOUND )
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SET( USE_FFMPEG FALSE )
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ELSE()
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INCLUDE_DIRECTORIES( ${LIB_DIR}/ffmpeg )
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#SET( CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} -D__STDC_CONSTANT_MACROS )
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INCLUDE_DIRECTORIES(${FFMPEG_INCLUDE_DIR} ${FFMPEG_INCLUDE_DIRS})
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ADD_LIBRARY( FFmpeg ${LIB_DIR}/ffmpeg/LibAvContextHandle.cpp )
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TARGET_LINK_LIBRARIES( FFmpeg ${FFMPEG_LIBRARIES} )
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SET( LINKER_LIBS ${LINKER_LIBS} FFmpeg )
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ENDIF()
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ELSE()
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SET( USE_FFMPEG FALSE )
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ENDIF()
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ENDIF()
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