cmake/modules/FindVAAPI.cmake

0001 # Finds the VAAPI library (https://en.wikipedia.org/wiki/Video_Acceleration_API)
0002 #
0003 # This will define the following variables:
0004 #
0005 # VAAPI_FOUND        - system has VAAPI
0006 # VAAPI_INCLUDE_DIRS - the VAAPI include directory
0007 # VAAPI_LIBRARIES    - the VAAPI libraries
0008 # VAAPI_DEFINITIONS  - the VAAPI definitions
0009 #
0010 # SPDX-FileCopyrightText: 2016-2024 by Gilles Caulier, <caulier dot gilles at gmail dot com>
0011 #
0012 # SPDX-License-Identifier: BSD-3-Clause
0013 #
0014
0015 if(PKG_CONFIG_FOUND)
0016     pkg_check_modules(PC_VAAPI libva libva-drm libva-wayland libva-x11 QUIET)
0017 endif()
0018
0019 set(REQUIRED_VARS "VAAPI_libva_LIBRARY" "VAAPI_libva-drm_LIBRARY" "VAAPI_libva_INCLUDE_DIR" "VAAPI_libva-drm_INCLUDE_DIR")
0020
0021 find_path(VAAPI_libva_INCLUDE_DIR va/va.h
0022           PATHS ${PC_VAAPI_libva_INCLUDEDIR})
0023
0024 find_library(VAAPI_libva_LIBRARY NAMES va
0025              PATHS ${PC_VAAPI_libva_LIBDIR})
0026
0027 find_path(VAAPI_libva-drm_INCLUDE_DIR va/va_drm.h
0028           PATHS ${PC_VAAPI_libva-drm_INCLUDEDIR})
0029
0030 find_library(VAAPI_libva-drm_LIBRARY NAMES va-drm
0031              PATHS ${PC_VAAPI_libva-drm_LIBDIR})
0032
0033 if("wayland" IN_LIST CORE_PLATFORM_NAME_LC)
0034
0035     find_path(VAAPI_libva-wayland_INCLUDE_DIR va/va_wayland.h
0036               PATHS ${PC_VAAPI_libva-wayland_INCLUDEDIR})
0037     find_library(VAAPI_libva-wayland_LIBRARY NAMES va-wayland
0038                  PATHS ${PC_VAAPI_libva-wayland_LIBDIR})
0039     list(APPEND REQUIRED_VARS "VAAPI_libva-wayland_INCLUDE_DIR" "VAAPI_libva-wayland_LIBRARY")
0040
0041 endif()
0042
0043 if("x11" IN_LIST CORE_PLATFORM_NAME_LC)
0044
0045     find_path(VAAPI_libva-x11_INCLUDE_DIR va/va_x11.h
0046               PATHS ${PC_VAAPI_libva-x11_INCLUDEDIR})
0047     find_library(VAAPI_libva-x11_LIBRARY NAMES va-x11
0048                  PATHS ${PC_VAAPI_libva-x11_LIBDIR})
0049     list(APPEND REQUIRED_VARS "VAAPI_libva-x11_INCLUDE_DIR" "VAAPI_libva-x11_LIBRARY")
0050
0051 endif()
0052
0053 if(PC_VAAPI_libva_VERSION)
0054
0055     set(VAAPI_VERSION_STRING ${PC_VAAPI_libva_VERSION})
0056
0057 elseif(VAAPI_INCLUDE_DIR AND EXISTS "${VAAPI_INCLUDE_DIR}/va/va_version.h")
0058
0059     file(STRINGS "${VAAPI_INCLUDE_DIR}/va/va_version.h" vaapi_version_str REGEX "^#define[\t ]+VA_VERSION_S[\t ]+\".*\".*")
0060     string(REGEX REPLACE "^#define[\t ]+VA_VERSION_S[\t ]+\"([^\"]+)\".*" "\\1" VAAPI_VERSION_STRING "${vaapi_version_str}")
0061     unset(vaapi_version_str)
0062
0063 endif()
0064
0065 if(NOT VAAPI_FIND_VERSION)
0066
0067     set(VAAPI_FIND_VERSION 0.39.0)
0068
0069 endif()
0070
0071 include(FindPackageHandleStandardArgs)
0072
0073 find_package_handle_standard_args(VAAPI
0074                                   REQUIRED_VARS ${REQUIRED_VARS}
0075                                   VERSION_VAR VAAPI_VERSION_STRING)
0076
0077 if(VAAPI_FOUND)
0078
0079     message(STATUS "VAAPI X11: ${VAAPI_libva-x11_INCLUDE_DIR} ${VAAPI_libva-x11_LIBRARY}")
0080     message(STATUS "VAAPI WAY: ${VAAPI_libva-wayland_INCLUDE_DIR} ${VAAPI_libva-wayland_LIBRARY}")
0081     message(STATUS "VAAPI DRM: ${VAAPI_libva-drm_INCLUDE_DIR} ${VAAPI_libva-drm_LIBRARY}")
0082
0083     if (NOT "${VAAPI_libva-x11_INCLUDE_DIR}" STREQUAL "" AND
0084         NOT "${VAAPI_libva-x11_LIBRARY}"     STREQUAL "")
0085         set(VAAPI_X11_FOUND TRUE)
0086     endif()
0087
0088     if (NOT "${VAAPI_libva-wayland_INCLUDE_DIR}" STREQUAL "" AND
0089         NOT "${VAAPI_libva-wayland_LIBRARY}"     STREQUAL "")
0090         set(VAAPI_WAYLAND_FOUND TRUE)
0091     endif()
0092
0093     if (NOT "${VAAPI_libva-drm_INCLUDE_DIR}" STREQUAL "" AND
0094         NOT "${VAAPI_libva-drm_LIBRARY}"     STREQUAL "")
0095         set(VAAPI_DRM_FOUND TRUE)
0096     endif()
0097
0098     set(VAAPI_INCLUDE_DIRS ${VAAPI_INCLUDE_DIR} ${VAAPI_DRM_INCLUDE_DIR} ${VAAPI_WAYLAND_INCLUDE_DIR} ${VAAPI_X11_INCLUDE_DIR})
0099     set(VAAPI_LIBRARIES ${VAAPI_libva_LIBRARY} ${VAAPI_libva-drm_LIBRARY} ${VAAPI_libva-wayland_LIBRARY} ${VAAPI_libva-x11_LIBRARY})
0100     set(VAAPI_DEFINITIONS -DHAVE_LIBVA=1)
0101
0102 endif()
0103
0104 mark_as_advanced(VAAPI_libva_INCLUDE_DIR
0105                  VAAPI_libva-drm_INCLUDE_DIR
0106                  VAAPI_libva-wayland_INCLUDE_DIR
0107                  VAAPI_libva-x11_INCLUDE_DIR
0108                  VAAPI_libva_LIBRARY
0109                  VAAPI_libva-drm_LIBRARY
0110                  VAAPI_libva-wayland_LIBRARY
0111                  VAAPI_libva-x11_LIBRARY)