fix(media): set bundled iHD driver runtime path

CMakeLists.txt

@@ -28,6 +28,37 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
 include(FindExternalLib)
 set(ARCH "x86")
 setup_external_libs(${ARCH})
+# Intel oneVPL / VA-API runtime. The shared libraries in lib/ are installed
+# by setup_external_libs(); the VA-API driver plugin directory is installed
+# separately because it must retain its dri layout.
+set(INTEL_MEDIA_STACK_ROOT
+        "${PROJECT_SOURCE_DIR}/dependency/${ARCH}/third_party/intel-media-stack/vpl-2.17"
+)
+set(INTEL_MEDIA_DRIVER_DIR "${INTEL_MEDIA_STACK_ROOT}/lib/dri")
+set(INTEL_IHD_DRIVER "${INTEL_MEDIA_DRIVER_DIR}/iHD_drv_video.so")
+
+if(NOT EXISTS "${INTEL_IHD_DRIVER}")
+    message(FATAL_ERROR "Intel iHD VA-API driver not found: ${INTEL_IHD_DRIVER}")
+endif()
+
+message(STATUS "Intel media stack: ${INTEL_MEDIA_STACK_ROOT}")
+install(
+        DIRECTORY "${INTEL_MEDIA_DRIVER_DIR}/"
+        DESTINATION lib/dri
+)
+install(CODE [=[
+    find_program(CMVR_PATCHELF_EXECUTABLE patchelf REQUIRED)
+    set(_cmvr_ihd_driver
+            "${CMAKE_INSTALL_PREFIX}/lib/dri/iHD_drv_video.so"
+    )
+    execute_process(
+            COMMAND "${CMVR_PATCHELF_EXECUTABLE}"
+                    --set-rpath "$ORIGIN/.."
+                    "${_cmvr_ihd_driver}"
+            COMMAND_ERROR_IS_FATAL ANY
+    )
+]=])
+
 # 在调用 setup_external_libs 之后
 message(STATUS "CMAKE_EXE_LINKER_FLAGS: ${CMAKE_EXE_LINKER_FLAGS}")
 message(STATUS "CMAKE_SHARED_LINKER_FLAGS: ${CMAKE_SHARED_LINKER_FLAGS}")