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108 lines
3.5 KiB
CMake
108 lines
3.5 KiB
CMake
# Locate ffmpeg
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# This module defines
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# FFMPEG_LIBRARIES
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# FFMPEG_FOUND, if false, do not try to link to ffmpeg
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# FFMPEG_INCLUDE_DIR, where to find the headers
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#
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# $FFMPEG_DIR is an environment variable that would
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# correspond to the ./configure --prefix=$FFMPEG_DIR
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#
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# Created by Robert Osfield.
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# Modified by Lukas Lalinsky.
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# Modified by Leon Styhre.
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# In ffmpeg code, old version use "#include <header.h>" and newer use "#include <libname/header.h>"
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# In OSG ffmpeg plugin, we use "#include <header.h>" for compatibility with old version of ffmpeg
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# We have to search the path which contain the header.h (usefull for old version)
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# and search the path which contain the libname/header.h (usefull for new version)
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# Then we need to include ${FFMPEG_libname_INCLUDE_DIRS}
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# (in old version case, use by ffmpeg header and osg plugin code)
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# (in new version case, use by ffmpeg header)
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# and ${FFMPEG_libname_INCLUDE_DIRS/libname}
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# (in new version case, use by osg plugin code)
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# Macro to find header and lib directories
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# example: FFMPEG_FIND(AVFORMAT avformat avformat.h)
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MACRO(FFMPEG_FIND varname shortname headername)
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FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS lib${shortname}/${headername}
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PATHS
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${FFMPEG_ROOT}/include
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$ENV{FFMPEG_DIR}/include
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local/include
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/usr/include/
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/sw/include # Fink
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/opt/local/include # DarwinPorts
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/opt/csw/include # Blastwave
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/opt/include
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/usr/freeware/include
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NO_DEFAULT_PATH
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PATH_SUFFIXES ffmpeg
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DOC "Location of FFMPEG Headers"
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)
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FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS lib${shortname}/${headername}
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PATH_SUFFIXES ffmpeg
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DOC "Location of FFMPEG Headers"
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)
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pkg_check_modules(FFMPEG_${varname} lib${shortname} REQUIRED)
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IF (FFMPEG_${varname}_LIBRARIES AND FFMPEG_${varname}_INCLUDE_DIRS)
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SET(FFMPEG_${varname}_FOUND 1)
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MESSAGE("-- " ${FFMPEG_${varname}_LINK_LIBRARIES})
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ENDIF(FFMPEG_${varname}_LIBRARIES AND FFMPEG_${varname}_INCLUDE_DIRS)
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ENDMACRO(FFMPEG_FIND)
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SET(FFMPEG_ROOT "$ENV{FFMPEG_DIR}" CACHE PATH "Location of FFMPEG")
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# find stdint.h
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FIND_PATH(FFMPEG_STDINT_INCLUDE_DIR stdint.h
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PATHS
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${FFMPEG_ROOT}/include
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$ENV{FFMPEG_DIR}/include
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local/include
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/usr/include
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/sw/include # Fink
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/opt/local/include # DarwinPorts
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/opt/csw/include # Blastwave
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/opt/include
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/usr/freeware/include
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PATH_SUFFIXES ffmpeg
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DOC "Location of FFMPEG stdint.h Header"
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)
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FFMPEG_FIND(LIBAVFORMAT avformat avformat.h)
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FFMPEG_FIND(LIBAVCODEC avcodec avcodec.h)
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FFMPEG_FIND(LIBAVCODEC_FFT avcodec avfft.h)
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FFMPEG_FIND(LIBAVUTIL avutil avutil.h)
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FFMPEG_FIND(LIBSWRESAMPLE swresample swresample.h)
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FFMPEG_FIND(LIBSWSCALE swscale swscale.h) # Not sure about the header to look for here.
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SET(FFMPEG_FOUND "NO")
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IF (FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND FFMPEG_LIBAVUTIL_FOUND AND
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FFMPEG_LIBSWRESAMPLE_FOUND AND FFMPEG_LIBSWSCALE_FOUND AND FFMPEG_STDINT_INCLUDE_DIR)
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SET(FFMPEG_FOUND "YES")
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SET(FFMPEG_INCLUDE_DIRS ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
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SET(FFMPEG_LIBRARY_DIRS ${FFMPEG_LIBAVFORMAT_LIBRARY_DIRS})
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SET(FFMPEG_LIBRARIES
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${FFMPEG_LIBAVFORMAT_LINK_LIBRARIES}
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${FFMPEG_LIBAVCODEC_LINK_LIBRARIES}
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${FFMPEG_LIBAVUTIL_LINK_LIBRARIES}
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${FFMPEG_LIBSWRESAMPLE_LINK_LIBRARIES}
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${FFMPEG_LIBSWSCALE_LINK_LIBRARIES})
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ELSE ()
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# MESSAGE(STATUS "Could not find FFMPEG")
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ENDIF()
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