79 lines
2.8 KiB
CMake
79 lines
2.8 KiB
CMake
# - Try to find FFmpeg
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# Using Pkg-config if available for path
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#
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# FFMPEG_FOUND - all required ffmpeg components found on system
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# FFMPEG_INCLUDE_DIRS - combined include directories
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# FFMPEG_LIBRARIES - combined libraries to link
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set(REQUIRED_AVCODEC_VERSION 0.8)
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set(REQUIRED_AVCODEC_API_VERSION 53.25.0)
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include(FindPkgConfig)
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if (PKG_CONFIG_FOUND)
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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(AVRESAMPLE libavresample)
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pkg_check_modules(SWRESAMPLE libswresample)
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endif(PKG_CONFIG_FOUND)
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# avcodec
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find_path(AVCODEC_INCLUDE_DIR libavcodec/avcodec.h PATHS ${AVCODEC_INCLUDE_DIRS})
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find_library(AVCODEC_LIBRARY avcodec PATHS ${AVCODEC_LIBRARY_DIRS})
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# avutil
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find_path(AVUTIL_INCLUDE_DIR libavutil/avutil.h PATHS ${AVUTIL_INCLUDE_DIRS})
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find_library(AVUTIL_LIBRARY avutil PATHS ${AVUTIL_LIBRARY_DIRS})
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# swresample
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find_path(SWRESAMPLE_INCLUDE_DIR libswresample/swresample.h PATHS ${SWRESAMPLE_INCLUDE_DIRS})
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find_library(SWRESAMPLE_LIBRARY NAMES swresample swresample-3 PATHS ${SWRESAMPLE_LIBRARY_DIRS})
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if (SWRESAMPLE_INCLUDE_DIR AND SWRESAMPLE_LIBRARY)
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set(SWRESAMPLE_FOUND ON)
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endif()
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# avresample
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find_path(AVRESAMPLE_INCLUDE_DIR libavresample/avresample.h PATHS ${AVRESAMPLE_INCLUDE_DIRS})
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find_library(AVRESAMPLE_LIBRARY avresample PATHS ${AVRESAMPLE_LIBRARY_DIRS})
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if (AVRESAMPLE_INCLUDE_DIR AND AVRESAMPLE_LIBRARY)
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set(AVRESAMPLE_FOUND ON)
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endif()
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if (AVCODEC_INCLUDE_DIR AND AVCODEC_LIBRARY)
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set(AVCODEC_FOUND TRUE)
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endif(AVCODEC_INCLUDE_DIR AND AVCODEC_LIBRARY)
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if (AVUTIL_INCLUDE_DIR AND AVUTIL_LIBRARY)
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set(AVUTIL_FOUND TRUE)
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endif(AVUTIL_INCLUDE_DIR AND AVUTIL_LIBRARY)
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include(FindPackageHandleStandardArgs)
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if (SWRESAMPLE_FOUND)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(FFmpeg DEFAULT_MSG AVUTIL_FOUND AVCODEC_FOUND SWRESAMPLE_FOUND)
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else()
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(FFmpeg DEFAULT_MSG AVUTIL_FOUND AVCODEC_FOUND AVRESAMPLE_FOUND)
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endif()
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if (AVCODEC_VERSION)
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if (${AVCODEC_VERSION} VERSION_LESS ${REQUIRED_AVCODEC_API_VERSION})
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message(FATAL_ERROR
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"libavcodec version >= ${REQUIRED_AVCODEC_VERSION} (API >= ${REQUIRED_AVCODEC_API_VERSION}) is required")
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endif()
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else(AVCODEC_VERSION)
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message("Note: To build libavcodec version >= ${REQUIRED_AVCODEC_VERSION} (API >= ${REQUIRED_AVCODEC_API_VERSION}) is required")
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endif(AVCODEC_VERSION)
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if (FFMPEG_FOUND)
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if (SWRESAMPLE_FOUND)
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set(FFMPEG_INCLUDE_DIRS ${AVCODEC_INCLUDE_DIR} ${AVUTIL_INCLUDE_DIR} ${SWRESAMPLE_INCLUDE_DIR})
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set(FFMPEG_LIBRARIES ${AVCODEC_LIBRARY} ${AVUTIL_LIBRARY} ${SWRESAMPLE_LIBRARY})
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elseif (AVRESAMPLE_FOUND)
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set(FFMPEG_INCLUDE_DIRS ${AVCODEC_INCLUDE_DIR} ${AVUTIL_INCLUDE_DIR} ${AVRESAMPLE_INCLUDE_DIR})
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set(FFMPEG_LIBRARIES ${AVCODEC_LIBRARY} ${AVUTIL_LIBRARY} ${AVRESAMPLE_LIBRARY})
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endif()
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endif(FFMPEG_FOUND)
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mark_as_advanced(FFMPEG_INCLUDE_DIRS FFMPEG_LIBRARIES)
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