vcpkg/ports/ffmpeg/FindFFMPEG.cmake.in
2020-10-30 14:51:50 -07:00

325 lines
11 KiB
CMake

# 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(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
include(${CMAKE_ROOT}/Modules/SelectLibraryConfigurations.cmake)
include(${CMAKE_ROOT}/Modules/CMakeFindDependencyMacro.cmake)
function(select_library_configurations_from_names)
cmake_parse_arguments(_slc "" "BASENAME" "NAMES;NAMES_RELEASE;NAMES_DEBUG" ${ARGN})
list(APPEND _slc_NAMES_RELEASE ${_slc_NAMES})
list(APPEND _slc_NAMES_DEBUG ${_slc_NAMES})
find_library(${_slc_BASENAME}_LIBRARY_RELEASE NAMES ${_slc_NAMES_RELEASE} PATHS ${_IMPORT_PREFIX}/lib/ NO_DEFAULT_PATH)
find_library(${_slc_BASENAME}_LIBRARY_DEBUG NAMES ${_slc_NAMES_DEBUG} PATHS ${_IMPORT_PREFIX}/debug/lib/ NO_DEFAULT_PATH)
select_library_configurations(${_slc_BASENAME})
set(${_slc_BASENAME}_LIBRARIES ${${_slc_BASENAME}_LIBRARIES} PARENT_SCOPE)
endfunction()
function(select_library_configurations_from_targets)
cmake_parse_arguments(_slc "" "BASENAME" "TARGETS" ${ARGN})
foreach(_target ${_slc_TARGETS})
get_target_property(_rel ${_target} IMPORTED_LOCATION_RELEASE)
get_target_property(_dbg ${_target} IMPORTED_LOCATION_DEBUG)
get_target_property(_deps ${_target} INTERFACE_LINK_LIBRARIES)
list(APPEND ${_slc_BASENAME}_LIBRARY_RELEASE ${_rel})
list(APPEND ${_slc_BASENAME}_LIBRARY_DEBUG ${_dbg})
foreach(_dep ${_deps})
if(TARGET ${_dep})
get_target_property(_dep_rel ${_dep} IMPORTED_LOCATION_RELEASE)
get_target_property(_dep_dbg ${_dep} IMPORTED_LOCATION_DEBUG)
list(APPEND ${_slc_BASENAME}_LIBRARY_RELEASE ${_dep_rel})
list(APPEND ${_slc_BASENAME}_LIBRARY_DEBUG ${_dep_dbg})
endif()
endforeach()
endforeach()
select_library_configurations(${_slc_BASENAME})
set(${_slc_BASENAME}_LIBRARIES ${${_slc_BASENAME}_LIBRARIES} PARENT_SCOPE)
endfunction()
set(FFMPEG_VERSION "4.2")
find_dependency(Threads)
if(UNIX)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS -pthread)
endif()
if(UNIX AND NOT APPLE)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS -lX11)
endif()
if(@ENABLE_BZIP2@)
find_dependency(BZip2)
select_library_configurations_from_targets(BASENAME BZip2 TARGETS BZip2::BZip2)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${BZip2_LIBRARIES})
endif()
if(@ENABLE_ICONV@)
find_dependency(Iconv)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${Iconv_LIBRARIES})
endif()
if(@ENABLE_FDKAAC@)
select_library_configurations_from_names(BASENAME FDK NAMES fdk-aac libfdk-aac)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${FDK_LIBRARIES})
endif()
if(@ENABLE_LZMA@)
find_dependency(LibLZMA)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${LibLZMA_LIBRARIES})
endif()
if(@ENABLE_LAME@)
find_dependency(mp3lame)
select_library_configurations_from_targets(BASENAME mp3lame TARGETS mp3lame::mp3lame)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${mp3lame_LIBRARIES})
endif()
if(@ENABLE_NVCODEC@)
if(UNIX)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS dl)
endif()
endif()
if(@ENABLE_OPENCL@)
find_dependency(OpenCL)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${OpenCL_LIBRARIES})
endif()
if(@ENABLE_OPENSSL@)
find_dependency(OpenSSL)
select_library_configurations_from_targets(BASENAME SSL TARGETS OpenSSL::SSL OpenSSL::Crypto)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${SSL_LIBRARIES})
if(WIN32 AND NOT CYGWIN)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS Crypt32)
endif()
endif()
if(@ENABLE_OPUS@)
find_dependency(Opus)
select_library_configurations_from_targets(BASENAME Opus TARGETS Opus::opus)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${Opus_LIBRARIES})
endif()
if(@ENABLE_SDL2@)
find_dependency(SDL2)
if(TARGET SDL2::SDL2-static)
select_library_configurations_from_targets(BASENAME SDL2 TARGETS SDL2::SDL2-static)
else()
select_library_configurations_from_targets(BASENAME SDL2 TARGETS SDL2::SDL2)
endif()
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${SDL2_LIBRARIES})
endif()
if(@ENABLE_SNAPPY@)
find_dependency(Snappy)
select_library_configurations_from_targets(BASENAME Snappy TARGETS Snappy::snappy)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${Snappy_LIBRARIES})
endif()
if(@ENABLE_SOXR@)
select_library_configurations_from_names(BASENAME SOXR NAMES soxr)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${SOXR_LIBRARIES})
endif()
if(@ENABLE_SPEEX@)
select_library_configurations_from_names(BASENAME SPEEX NAMES_RELEASE libspeex NAMES_DEBUG libspeexd)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${SPEEX_LIBRARIES})
endif()
if(@ENABLE_THEORA@)
find_dependency(Ogg) # ensure Ogg::ogg is defined as a target
find_dependency(unofficial-theora)
select_library_configurations_from_targets(BASENAME THEORA TARGETS unofficial::theora::theoraenc)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${THEORA_LIBRARIES})
endif()
if(@ENABLE_VORBIS@)
find_dependency(Vorbis)
select_library_configurations_from_targets(BASENAME vorbis TARGETS Vorbis::vorbis Vorbis::vorbisenc)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${vorbis_LIBRARIES})
endif()
if(@ENABLE_VPX@)
find_dependency(unofficial-libvpx)
select_library_configurations_from_targets(BASENAME libvpx TARGETS unofficial::libvpx::libvpx)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${libvpx_LIBRARIES})
endif()
if(@ENABLE_WAVPACK@)
find_dependency(wavpack)
select_library_configurations_from_targets(BASENAME wavpack TARGETS WavPack::wavpack)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${wavpack_LIBRARIES})
endif()
if(@ENABLE_X264@)
select_library_configurations_from_names(BASENAME X264 NAMES x264 libx264)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${X264_LIBRARIES})
endif()
if(@ENABLE_X265@)
select_library_configurations_from_names(BASENAME X265 NAMES x265 x265-static)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${X265_LIBRARIES})
endif()
if(@ENABLE_ZLIB@)
find_dependency(ZLIB)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${ZLIB_LIBRARIES})
endif()
# Platform dependent libraries required by FFMPEG
if(WIN32)
if(NOT CYGWIN)
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS wsock32 ws2_32 secur32 bcrypt strmiids Vfw32 Shlwapi mfplat mfuuid)
endif()
else()
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS m)
endif()
# Compute the installation prefix relative to this file.
get_filename_component(_IMPORT_PREFIX "${CMAKE_CURRENT_LIST_FILE}" PATH)
get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
if(_IMPORT_PREFIX STREQUAL "/")
set(_IMPORT_PREFIX "")
endif()
set(_IMPORT_PREFIX)
macro(FFMPEG_FIND varname shortname headername)
if(NOT FFMPEG_${varname}_INCLUDE_DIRS)
find_path(FFMPEG_${varname}_INCLUDE_DIRS NAMES lib${shortname}/${headername} ${headername} PATHS ${_IMPORT_PREFIX}/include NO_DEFAULT_PATH)
endif()
if(NOT FFMPEG_${varname}_LIBRARY)
find_library(FFMPEG_${varname}_LIBRARY_RELEASE NAMES ${shortname} PATHS ${_IMPORT_PREFIX}/lib/ NO_DEFAULT_PATH)
find_library(FFMPEG_${varname}_LIBRARY_DEBUG NAMES ${shortname}d ${shortname} PATHS ${_IMPORT_PREFIX}/debug/lib/ NO_DEFAULT_PATH)
get_filename_component(FFMPEG_${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(APPLE)
find_library(VT_UNIT VideoToolbox)
if (NOT VT_UNIT)
message(FATAL_ERROR "VideoToolbox not found")
endif()
find_library(AT_UNIT AudioToolbox)
if (NOT AT_UNIT)
message(FATAL_ERROR "AudioToolbox not found")
endif()
find_library(SEC_UNIT Security)
if (NOT SEC_UNIT)
message(FATAL_ERROR "Security not found")
endif()
find_library(CF_UNIT CoreFoundation)
if (NOT CF_UNIT)
message(FATAL_ERROR "CoreFoundation not found")
endif()
find_library(CM_UNIT CoreMedia)
if (NOT CM_UNIT)
message(FATAL_ERROR "CoreMedia not found")
endif()
find_library(CV_UNIT CoreVideo)
if (NOT CV_UNIT)
message(FATAL_ERROR "CoreVideo not found")
endif()
list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${VT_UNIT} ${AT_UNIT} ${SEC_UNIT} ${CF_UNIT} ${CM_UNIT} ${CV_UNIT})
endif()
if(@ENABLE_AVCODEC@)
FFMPEG_FIND(libavcodec avcodec avcodec.h)
endif()
if(@ENABLE_AVDEVICE@)
FFMPEG_FIND(libavdevice avdevice avdevice.h)
endif()
if(@ENABLE_AVFILTER@)
FFMPEG_FIND(libavfilter avfilter avfilter.h)
endif()
if(@ENABLE_AVFORMAT@)
FFMPEG_FIND(libavformat avformat avformat.h)
endif()
if(@ENABLE_AVRESAMPLE@)
FFMPEG_FIND(libavresample avresample avresample.h)
endif()
FFMPEG_FIND(libavutil avutil avutil.h)
if(@ENABLE_POSTPROC@)
FFMPEG_FIND(libpostproc postproc postprocess.h)
endif()
if(@ENABLE_SWRESAMPLE@)
FFMPEG_FIND(libswresample swresample swresample.h)
endif()
if(@ENABLE_SWSCALE@)
FFMPEG_FIND(libswscale swscale swscale.h)
endif()
if (FFMPEG_libavutil_FOUND)
list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
list(REMOVE_DUPLICATES FFMPEG_LIBRARY_DIRS)
set(FFMPEG_libavutil_VERSION "${FFMPEG_VERSION}" CACHE STRING "")
if(FFMPEG_libavcodec_FOUND)
set(FFMPEG_libavcodec_VERSION "${FFMPEG_VERSION}" CACHE STRING "")
endif()
if(FFMPEG_libavdevice_FOUND)
set(FFMPEG_libavdevice_VERSION "${FFMPEG_VERSION}" CACHE STRING "")
endif()
if(FFMPEG_libavfilter_FOUND)
set(FFMPEG_libavfilter_VERSION "${FFMPEG_VERSION}" CACHE STRING "")
endif()
if(FFMPEG_libavformat_FOUND)
set(FFMPEG_libavformat_VERSION "${FFMPEG_VERSION}" CACHE STRING "")
endif()
if(FFMPEG_libavresample_FOUND)
set(FFMPEG_libavresample_VERSION "${FFMPEG_VERSION}" CACHE STRING "")
endif()
if(FFMPEG_libswresample_FOUND)
set(FFMPEG_libswresample_VERSION "${FFMPEG_VERSION}" CACHE STRING "")
endif()
if(FFMPEG_libswscale_FOUND)
set(FFMPEG_libswscale_VERSION "${FFMPEG_VERSION}" CACHE STRING "")
endif()
list(APPEND FFMPEG_LIBRARIES
${FFMPEG_PLATFORM_DEPENDENT_LIBS}
)
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)