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