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97 lines
2.9 KiB
CMake
97 lines
2.9 KiB
CMake
#[=======================================================================[.rst
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FindFFnvcodec
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-------------
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FindModule for FFnvcodec and the associated headers
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Imported Targets
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^^^^^^^^^^^^^^^^
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.. versionadded:: 3.0
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This module defines the :prop_tgt:`IMPORTED` target ``FFnvcodec::FFnvcodec``.
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Result Variables
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^^^^^^^^^^^^^^^^
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This module sets the following variables:
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``FFnvcodec_FOUND``
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True, if headers was found.
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``FFnvcodec_VERSION``
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Detected version of found FFnvcodec headers.
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Cache variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``FFnvcodec_INCLUDE_DIR``
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Directory containing ``nvEncodeAPI.h``.
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#]=======================================================================]
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# cmake-format: off
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# cmake-lint: disable=C0103
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# cmake-lint: disable=C0301
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# cmake-format: on
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include(FindPackageHandleStandardArgs)
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find_package(PkgConfig QUIET)
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if(PKG_CONFIG_FOUND)
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pkg_search_module(PC_FFnvcodec QUIET ffnvcodec)
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endif()
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find_path(
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FFnvcodec_INCLUDE_DIR
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NAMES ffnvcodec/nvEncodeAPI.h
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HINTS ${PC_FFnvcodec_INCLUDE_DIRS}
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PATHS /usr/include /usr/local/include
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DOC "FFnvcodec include directory")
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if(PC_FFnvcodec_VERSION VERSION_GREATER 0)
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set(FFnvcodec_VERSION ${PC_FFnvcodec_VERSION})
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elseif(EXISTS "${FFnvcodec_INCLUDE_DIR}/ffnvcodec/nvEncodeAPI.h")
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file(STRINGS "${FFnvcodec_INCLUDE_DIR}/ffnvcodec/nvEncodeAPI.h" _version_string
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REGEX "^.*NVENCAPI_(MAJOR|MINOR)_VERSION[ \t]+[0-9]+[ \t]*$")
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string(REGEX REPLACE ".*MAJOR_VERSION[ \t]+([0-9]+).*" "\\1" _version_major "${_version_string}")
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string(REGEX REPLACE ".*MINOR_VERSION[ \t]+([0-9]+).*" "\\1" _version_minor "${_version_string}")
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set(FFnvcodec_VERSION "${_version_major}.${_version_minor}")
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unset(_version_major)
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unset(_version_minor)
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else()
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if(NOT FFnvcodec_FIND_QUIETLY)
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message(AUTHOR_WARNING "Failed to find FFnvcodec version.")
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endif()
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set(FFnvcodec_VERSION 0.0.0)
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endif()
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if(CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin|Windows")
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set(FFnvcodec_ERROR_REASON "Ensure that obs-deps is provided as part of CMAKE_PREFIX_PATH.")
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elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD")
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set(FFnvcodec_ERROR_REASON "Ensure FFnvcodec headers are available in local include paths.")
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endif()
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find_package_handle_standard_args(
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FFnvcodec
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REQUIRED_VARS FFnvcodec_INCLUDE_DIR
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VERSION_VAR FFnvcodec_VERSION HANDLE_VERSION_RANGE REASON_FAILURE_MESSAGE "${FFnvcodec_ERROR_REASON}")
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mark_as_advanced(FFnvcodec_INCLUDE_DIR)
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unset(FFnvcodec_ERROR_REASON)
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if(FFnvcodec_FOUND)
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if(NOT TARGET FFnvcodec::FFnvcodec)
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add_library(FFnvcodec::FFnvcodec INTERFACE IMPORTED)
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set_target_properties(FFnvcodec::FFnvcodec PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${FFnvcodec_INCLUDE_DIR}")
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endif()
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endif()
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include(FeatureSummary)
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set_package_properties(
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FFnvcodec PROPERTIES
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URL "https://github.com/FFmpeg/nv-codec-headers/"
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DESCRIPTION "FFmpeg version of headers required to interface with NVIDIA's codec APIs.")
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