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