From 500d55c66200d1c0e223e52565021c02c37766d6 Mon Sep 17 00:00:00 2001
From: Artem Dyomin <artem.dyomin@qt.io>
Date: Mon, 8 Apr 2024 14:13:24 +0200
Subject: [PATCH] Find the version suffix and include directory information in
 FindVAAPI
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The variables are to be used in cmake scripts configuring FFmpeg stubs.

Task-number: QTBUG-120990
Pick-to: 6.5 6.7
Change-Id: I5e877e679af1e6275e3db860782db2b4ff071b08
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
Reviewed-by: Artem Dyomin <artem.dyomin@qt.io>
---
 cmake/FindVAAPI.cmake | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/cmake/FindVAAPI.cmake b/cmake/FindVAAPI.cmake
index a3ea6cd586..b1170dc8ed 100644
--- a/cmake/FindVAAPI.cmake
+++ b/cmake/FindVAAPI.cmake
@@ -4,13 +4,40 @@
 
 find_package(PkgConfig QUIET)
 
+function(qt_internal_multimedia_set_va_outputs component include_dir lib_path)
+    if ("${component}" STREQUAL "VA")
+        set(VAAPI_INCLUDE_DIR "${include_dir}" CACHE INTERNAL "")
+        get_filename_component(lib_realpath "${lib_path}" REALPATH)
+
+        string(REGEX MATCH "[0-9]+(\\.[0-9]+)*$" VAAPI_SUFFIX "${lib_realpath}")
+        set(VAAPI_SUFFIX "${VAAPI_SUFFIX}" CACHE INTERNAL "")
+
+        mark_as_advanced(VAAPI_SUFFIX VAAPI_INCLUDE_DIR)
+    endif()
+endfunction()
+
 function(find_component component prefix header library)
     if(NOT TARGET VAAPI::${component})
         string(TOUPPER ${component} upper)
-        pkg_check_modules(PC_VAAPI_${upper} ${prefix} IMPORTED_TARGET)
+        pkg_search_module(PC_VAAPI_${upper} ${prefix} IMPORTED_TARGET)
         if(TARGET PkgConfig::PC_VAAPI_${upper})
             add_library(VAAPI::${component} INTERFACE IMPORTED)
             target_link_libraries(VAAPI::${component} INTERFACE PkgConfig::PC_VAAPI_${upper})
+
+            if (NOT PC_VAAPI_${upper}_LINK_LIBRARIES)
+                get_target_property(PC_VAAPI_${upper}_LINK_LIBRARIES PkgConfig::PC_VAAPI_${upper} INTERFACE_LINK_LIBRARIES)
+                message(STATUS "PC_VAAPI_${upper}_LINK_LIBRARIES is not defined by PkgConfig; "
+                               "Get the value from target properties: ${PC_VAAPI_${upper}_LINK_LIBRARIES}")
+            endif()
+
+            foreach (lib_path ${PC_VAAPI_${upper}_LINK_LIBRARIES})
+                get_filename_component(lib_name "${lib_path}" NAME_WLE)
+                if (${lib_name} STREQUAL ${prefix})
+                    qt_internal_multimedia_set_va_outputs(${component}
+                        "${PC_VAAPI_${upper}_INCLUDEDIR}" "${lib_path}")
+                    break()
+                endif()
+            endforeach()
         else()
             find_path(VAAPI_${component}_INCLUDE_DIR
                 NAMES ${header}
@@ -25,6 +52,9 @@ function(find_component component prefix header library)
                 target_link_libraries(VAAPI::${component} INTERFACE ${VAAPI_${component}_LIBRARY})
             endif()
             mark_as_advanced(VAAPI_${component}_INCLUDE_DIR VAAPI_${component}_LIBRARY)
+
+            qt_internal_multimedia_set_va_outputs(${component}
+                "${VAAPI_${component}_INCLUDE_DIR}" "${VAAPI_${component}_LIBRARY}")
         endif()
     endif()
 
@@ -48,6 +78,8 @@ find_package_handle_standard_args(VAAPI
                                 REQUIRED_VARS
                                 VAAPI_VA_FOUND
                                 VAAPI_DRM_FOUND
+                                VAAPI_INCLUDE_DIR
+                                VAAPI_SUFFIX
                                 HANDLE_COMPONENTS
 )