166 lines
5.9 KiB
CMake
Executable File
166 lines
5.9 KiB
CMake
Executable File
# Distributed under the OSI-approved BSD 3-Clause License.
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#
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#.rst:
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# FindFFMPEG
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# --------
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#
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# Find the FFPMEG libraries
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#
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# Result Variables
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# ^^^^^^^^^^^^^^^^
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#
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# The following variables will be defined:
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#
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# ``FFMPEG_FOUND``
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# True if FFMPEG found on the local system
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#
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# ``FFMPEG_INCLUDE_DIRS``
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# Location of FFMPEG header files
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#
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# ``FFMPEG_LIBRARY_DIRS``
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# Location of FFMPEG libraries
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#
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# ``FFMPEG_LIBRARIES``
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# List of the FFMPEG libraries found
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#
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#
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include(FindPackageHandleStandardArgs)
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include(SelectLibraryConfigurations)
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include(CMakeFindDependencyMacro)
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if(NOT FFMPEG_FOUND)
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# Compute the installation path relative to this file.
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get_filename_component(SEARCH_PATH "${CMAKE_CURRENT_LIST_FILE}" PATH)
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get_filename_component(SEARCH_PATH "${SEARCH_PATH}" PATH)
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get_filename_component(SEARCH_PATH "${SEARCH_PATH}" PATH)
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if(SEARCH_PATH STREQUAL "/")
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set(SEARCH_PATH "")
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endif()
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set(FFMPEG_VERSION "@FFMPEG_VERSION@")
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function(append_dependencies out)
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cmake_parse_arguments(PARSE_ARGV 1 "arg" "DEBUG" "NAMES" "")
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if(${arg_DEBUG})
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set(config DEBUG)
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set(path "${CURRENT_INSTALLED_DIR}/debug/lib/")
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else()
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set(config RELEASE)
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set(path "${CURRENT_INSTALLED_DIR}/lib/")
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endif()
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foreach(lib_name ${arg_NAMES})
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if("${lib_name}" STREQUAL "-pthread")
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list(APPEND ${out} "-pthread")
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elseif("${lib_name}" STREQUAL "-pthreads")
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list(APPEND ${out} "-pthreads")
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elseif("${lib_name}" STREQUAL "gcc")
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list(APPEND ${out} "-lgcc")
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elseif("${lib_name}" STREQUAL "gcc_s")
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list(APPEND ${out} "-lgcc_s")
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elseif("${lib_name}" STREQUAL "stdc++")
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list(APPEND ${out} "-lstdc++")
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else()
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# first look in ${path} specifically to ensure we find the right release/debug variant
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find_library(FFMPEG_DEPENDENCY_${lib_name}_${config} NAMES "${lib_name}" PATHS "${path}" NO_DEFAULT_PATH)
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# if not found there, must be a system dependency, so look elsewhere
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find_library(FFMPEG_DEPENDENCY_${lib_name}_${config} NAMES "${lib_name}" REQUIRED)
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list(APPEND ${out} "${FFMPEG_DEPENDENCY_${lib_name}_${config}}")
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endif()
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endforeach()
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set("${out}" "${${out}}" PARENT_SCOPE)
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endfunction()
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macro(FFMPEG_FIND varname shortname headername)
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if(NOT FFMPEG_${varname}_INCLUDE_DIRS)
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find_path(FFMPEG_${varname}_INCLUDE_DIRS NAMES lib${shortname}/${headername} ${headername} PATHS ${SEARCH_PATH}/include NO_DEFAULT_PATH)
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endif()
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if(NOT FFMPEG_${varname}_LIBRARY)
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find_library(FFMPEG_${varname}_LIBRARY_RELEASE NAMES ${shortname} PATHS ${SEARCH_PATH}/lib/ NO_DEFAULT_PATH)
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find_library(FFMPEG_${varname}_LIBRARY_DEBUG NAMES ${shortname}d ${shortname} PATHS ${SEARCH_PATH}/debug/lib/ NO_DEFAULT_PATH)
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get_filename_component(FFMPEG_${varname}_LIBRARY_RELEASE_DIR ${FFMPEG_${varname}_LIBRARY_RELEASE} DIRECTORY)
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get_filename_component(FFMPEG_${varname}_LIBRARY_DEBUG_DIR ${FFMPEG_${varname}_LIBRARY_DEBUG} DIRECTORY)
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select_library_configurations(FFMPEG_${varname})
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set(FFMPEG_${varname}_LIBRARY ${FFMPEG_${varname}_LIBRARY} CACHE STRING "")
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endif()
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if (FFMPEG_${varname}_LIBRARY AND FFMPEG_${varname}_INCLUDE_DIRS)
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set(FFMPEG_${varname}_FOUND TRUE BOOL)
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list(APPEND FFMPEG_INCLUDE_DIRS ${FFMPEG_${varname}_INCLUDE_DIRS})
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list(APPEND FFMPEG_LIBRARIES ${FFMPEG_${varname}_LIBRARY})
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list(APPEND FFMPEG_LIBRARY_DIRS ${FFMPEG_${varname}_LIBRARY_RELEASE_DIR} ${FFMPEG_${varname}_LIBRARY_DEBUG_DIR})
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endif()
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endmacro(FFMPEG_FIND)
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if(@ENABLE_AVDEVICE@)
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FFMPEG_FIND(libavdevice avdevice avdevice.h)
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endif()
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if(@ENABLE_AVFILTER@)
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FFMPEG_FIND(libavfilter avfilter avfilter.h)
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endif()
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if(@ENABLE_AVFORMAT@)
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FFMPEG_FIND(libavformat avformat avformat.h)
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endif()
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if(@ENABLE_AVCODEC@)
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FFMPEG_FIND(libavcodec avcodec avcodec.h)
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endif()
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if(@ENABLE_AVRESAMPLE@)
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FFMPEG_FIND(libavresample avresample avresample.h)
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endif()
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if(@ENABLE_POSTPROC@)
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FFMPEG_FIND(libpostproc postproc postprocess.h)
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endif()
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if(@ENABLE_SWRESAMPLE@)
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FFMPEG_FIND(libswresample swresample swresample.h)
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endif()
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if(@ENABLE_SWSCALE@)
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FFMPEG_FIND(libswscale swscale swscale.h)
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endif()
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FFMPEG_FIND(libavutil avutil avutil.h)
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if (FFMPEG_libavutil_FOUND)
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list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
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list(REMOVE_DUPLICATES FFMPEG_LIBRARY_DIRS)
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set(FFMPEG_libavutil_VERSION "@LIBAVUTIL_VERSION@" CACHE STRING "")
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if(FFMPEG_libavcodec_FOUND)
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set(FFMPEG_libavcodec_VERSION "@LIBAVCODEC_VERSION@" CACHE STRING "")
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endif()
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if(FFMPEG_libavdevice_FOUND)
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set(FFMPEG_libavdevice_VERSION "@LIBAVDEVICE_VERSION@" CACHE STRING "")
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endif()
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if(FFMPEG_libavfilter_FOUND)
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set(FFMPEG_libavfilter_VERSION "@LIBAVFILTER_VERSION@" CACHE STRING "")
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endif()
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if(FFMPEG_libavformat_FOUND)
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set(FFMPEG_libavformat_VERSION "@LIBAVFORMAT_VERSION@" CACHE STRING "")
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endif()
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if(FFMPEG_libavresample_FOUND)
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set(FFMPEG_libavresample_VERSION "@LIBAVRESAMPLE_VERSION@" CACHE STRING "")
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endif()
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if(FFMPEG_libswresample_FOUND)
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set(FFMPEG_libswresample_VERSION "@LIBSWRESAMPLE_VERSION@" CACHE STRING "")
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endif()
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if(FFMPEG_libswscale_FOUND)
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set(FFMPEG_libswscale_VERSION "@LIBSWSCALE_VERSION@" CACHE STRING "")
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endif()
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append_dependencies(FFMPEG_DEPS_LIBRARY_RELEASE NAMES "@FFMPEG_DEPENDENCIES_RELEASE@")
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append_dependencies(FFMPEG_DEPS_LIBRARY_DEBUG NAMES "@FFMPEG_DEPENDENCIES_DEBUG@" DEBUG)
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if(FFMPEG_DEPS_LIBRARY_RELEASE OR FFMPEG_DEPS_LIBRARY_DEBUG)
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select_library_configurations(FFMPEG_DEPS)
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list(APPEND FFMPEG_LIBRARIES ${FFMPEG_DEPS_LIBRARY})
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endif()
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set(FFMPEG_LIBRARY ${FFMPEG_LIBRARIES})
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set(FFMPEG_FOUND TRUE CACHE BOOL "")
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set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "")
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set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "")
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set(FFMPEG_LIBRARY_DIRS ${FFMPEG_LIBRARY_DIRS} CACHE STRING "")
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endif()
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find_package_handle_standard_args(FFMPEG REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_LIBRARY_DIRS FFMPEG_INCLUDE_DIRS)
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endif()
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