142 lines
5.2 KiB
CMake
142 lines
5.2 KiB
CMake
# - Try to find FFMPEG
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# Once done this will define
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# FFMPEG_FOUND - System has FFMPEG
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# FFMPEG_INCLUDE_DIRS - The FFMPEG include directories
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# FFMPEG_LIBRARIES - The libraries needed to use FFMPEG
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# FFMPEG_LIBRARY_DIRS - The directory to find FFMPEG libraries
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#
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# written by Roy Shilkrot 2013 http://www.morethantechnical.com/
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#
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find_package(PkgConfig)
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MACRO(FFMPEG_FIND varname shortname headername)
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IF(NOT WIN32)
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PKG_CHECK_MODULES(PC_${varname} ${shortname})
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FIND_PATH(${varname}_INCLUDE_DIR "${shortname}/${headername}"
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HINTS ${PC_${varname}_INCLUDEDIR} ${PC_${varname}_INCLUDE_DIRS}
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NO_DEFAULT_PATH
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)
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ELSE()
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FIND_PATH(${varname}_INCLUDE_DIR "${shortname}/${headername}")
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ENDIF()
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IF(${varname}_INCLUDE_DIR STREQUAL "${varname}_INCLUDE_DIR-NOTFOUND")
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message(STATUS "Look for newer structure")
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IF(NOT WIN32)
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PKG_CHECK_MODULES(PC_${varname} "lib${shortname}")
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FIND_PATH(${varname}_INCLUDE_DIR "lib${shortname}/${headername}"
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HINTS ${PC_${varname}_INCLUDEDIR} ${PC_${varname}_INCLUDE_DIRS}
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NO_DEFAULT_PATH
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)
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ELSE()
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FIND_PATH(${varname}_INCLUDE_DIR "lib${shortname}/${headername}")
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IF(${${varname}_INCLUDE_DIR} STREQUAL "${varname}_INCLUDE_DIR-NOTFOUND")
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#Desperate times call for desperate measures
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MESSAGE(STATUS "globbing...")
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FILE(GLOB_RECURSE ${varname}_INCLUDE_DIR "/ffmpeg*/${headername}")
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MESSAGE(STATUS "found: ${${varname}_INCLUDE_DIR}")
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IF(${varname}_INCLUDE_DIR)
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GET_FILENAME_COMPONENT(${varname}_INCLUDE_DIR "${${varname}_INCLUDE_DIR}" PATH)
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GET_FILENAME_COMPONENT(${varname}_INCLUDE_DIR "${${varname}_INCLUDE_DIR}" PATH)
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ELSE()
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SET(${varname}_INCLUDE_DIR "${varname}_INCLUDE_DIR-NOTFOUND")
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ENDIF()
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ENDIF()
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ENDIF()
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ENDIF()
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IF(${${varname}_INCLUDE_DIR} STREQUAL "${varname}_INCLUDE_DIR-NOTFOUND")
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MESSAGE(STATUS "Can't find includes for ${shortname}...")
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ELSE()
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MESSAGE(STATUS "Found ${shortname} include dirs: ${${varname}_INCLUDE_DIR}")
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# GET_DIRECTORY_PROPERTY(FFMPEG_PARENT DIRECTORY ${${varname}_INCLUDE_DIR} PARENT_DIRECTORY)
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GET_FILENAME_COMPONENT(FFMPEG_PARENT ${${varname}_INCLUDE_DIR} PATH)
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MESSAGE(STATUS "Using FFMpeg dir parent as hint: ${FFMPEG_PARENT}")
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IF(NOT WIN32)
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FIND_LIBRARY(${varname}_LIBRARIES NAMES ${shortname}
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HINTS ${PC_${varname}_LIBDIR} ${PC_${varname}_LIBRARY_DIR} ${FFMPEG_PARENT})
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ELSE()
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# FIND_PATH(${varname}_LIBRARIES "${shortname}.dll.a" HINTS ${FFMPEG_PARENT})
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FILE(GLOB_RECURSE ${varname}_LIBRARIES "${FFMPEG_PARENT}/*${shortname}.lib")
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# GLOBing is very bad... but windows sux, this is the only thing that works
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ENDIF()
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IF(${varname}_LIBRARIES STREQUAL "${varname}_LIBRARIES-NOTFOUND")
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MESSAGE(STATUS "look for newer structure for library")
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FIND_LIBRARY(${varname}_LIBRARIES NAMES lib${shortname}
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HINTS ${PC_${varname}_LIBDIR} ${PC_${varname}_LIBRARY_DIR} ${FFMPEG_PARENT})
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ENDIF()
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IF(${varname}_LIBRARIES STREQUAL "${varname}_LIBRARIES-NOTFOUND")
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MESSAGE(STATUS "Can't find lib for ${shortname}...")
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ELSE()
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MESSAGE(STATUS "Found ${shortname} libs: ${${varname}_LIBRARIES}")
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ENDIF()
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IF(NOT ${varname}_INCLUDE_DIR STREQUAL "${varname}_INCLUDE_DIR-NOTFOUND"
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AND NOT ${varname}_LIBRARIES STREQUAL ${varname}_LIBRARIES-NOTFOUND)
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MESSAGE(STATUS "found ${shortname}: include ${${varname}_INCLUDE_DIR} lib ${${varname}_LIBRARIES}")
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SET(FFMPEG_${varname}_FOUND 1)
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SET(FFMPEG_${varname}_INCLUDE_DIRS ${${varname}_INCLUDE_DIR})
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SET(FFMPEG_${varname}_LIBS ${${varname}_LIBRARIES})
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ELSE()
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MESSAGE(STATUS "Can't find ${shortname}")
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ENDIF()
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ENDIF()
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ENDMACRO(FFMPEG_FIND)
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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(LIBAVUTIL avutil avutil.h)
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FFMPEG_FIND(LIBSWRESAMPLE swresample swresample.h)
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SET(FFMPEG_FOUND "NO")
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IF (FFMPEG_LIBAVFORMAT_FOUND AND
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FFMPEG_LIBAVCODEC_FOUND AND
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FFMPEG_LIBAVUTIL_FOUND AND
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FFMPEG_LIBSWRESAMPLE_FOUND
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)
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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_LIBS}
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${FFMPEG_LIBAVCODEC_LIBS}
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${FFMPEG_LIBAVUTIL_LIBS}
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${FFMPEG_LIBSWRESAMPLE_LIBS}
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)
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ELSE ()
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MESSAGE(STATUS "Could not find FFMPEG")
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ENDIF()
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message(STATUS ${FFMPEG_LIBRARIES} ${FFMPEG_LIBAVFORMAT_LIBRARIES})
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include(FindPackageHandleStandardArgs)
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# handle the QUIETLY and REQUIRED arguments and set FFMPEG_FOUND to TRUE
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# if all listed variables are TRUE
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find_package_handle_standard_args(FFMPEG DEFAULT_MSG
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FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIRS)
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mark_as_advanced(FFMPEG_INCLUDE_DIRS FFMPEG_LIBRARY_DIRS FFMPEG_LIBRARIES)
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