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obs-studio/cmake/Modules/FindLibva.cmake
tytan652 74b245431c obs-ffmpeg: Use Libva in FFmpeg VA-API
Libva is directly used to check if DRI devices support H264 encoding.
2022-11-20 11:30:40 +11:00

50 lines
1.5 KiB
CMake

# * Try to find Libva, once done this will define
#
# * LIBVA_FOUND - system has Libva
# * LIBVA_INCLUDE_DIRS - the Libva include directory
# * LIBVA_LIBRARIES - the libraries needed to use Libva
# * LIBVA_DEFINITIONS - Compiler switches required for using Libva
# Use pkg-config to get the directories and then use these values in the
# find_path() and find_library() calls
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
pkg_check_modules(_LIBVA libva)
endif()
find_path(
LIBVA_INCLUDE_DIR
NAMES va.h
HINTS ${_LIBVA_INCLUDE_DIRS}
PATHS /usr/include /usr/local/include /opt/local/include
PATH_SUFFIXES va/)
find_library(
LIBVA_LIB
NAMES ${_LIBVA_LIBRARIES} libva
HINTS ${_LIBVA_LIBRARY_DIRS}
PATHS /usr/lib /usr/local/lib /opt/local/lib)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libva REQUIRED_VARS LIBVA_LIB
LIBVA_INCLUDE_DIR)
mark_as_advanced(LIBVA_INCLUDE_DIR LIBVA_LIB)
if(LIBVA_FOUND)
set(LIBVA_INCLUDE_DIRS ${LIBVA_INCLUDE_DIR})
set(LIBVA_LIBRARIES ${LIBVA_LIB})
if(NOT TARGET Libva::va)
if(IS_ABSOLUTE "${LIBVA_LIBRARIES}")
add_library(Libva::va UNKNOWN IMPORTED)
set_target_properties(Libva::va PROPERTIES IMPORTED_LOCATION
"${LIBVA_LIBRARIES}")
else()
add_library(Libva::va INTERFACE IMPORTED)
set_target_properties(Libva::va PROPERTIES IMPORTED_LIBNAME
"${LIBVA_LIBRARIES}")
endif()
endif()
endif()