Merge remote-tracking branch 'upstream/3.4' into merge-3.4

cmake/OpenCVDetectInferenceEngine.cmake

@@ -134,16 +134,21 @@ endif()
 # Add more features to the target
 
 if(INF_ENGINE_TARGET)
-  if(InferenceEngine_VERSION VERSION_GREATER_EQUAL "2021.4")
+  if(DEFINED InferenceEngine_VERSION)
-    math(EXPR INF_ENGINE_RELEASE "${InferenceEngine_VERSION_MAJOR} * 1000000 + ${InferenceEngine_VERSION_MINOR} * 10000 + ${InferenceEngine_VERSION_PATCH} * 100")
+    message(STATUS "InferenceEngine: ${InferenceEngine_VERSION}")
+    if(NOT INF_ENGINE_RELEASE AND NOT (InferenceEngine_VERSION VERSION_LESS "2021.4"))
+      math(EXPR INF_ENGINE_RELEASE_INIT "${InferenceEngine_VERSION_MAJOR} * 1000000 + ${InferenceEngine_VERSION_MINOR} * 10000 + ${InferenceEngine_VERSION_PATCH} * 100")
+    endif()
   endif()
-  if(NOT INF_ENGINE_RELEASE)
+  if(NOT INF_ENGINE_RELEASE AND NOT INF_ENGINE_RELEASE_INIT)
     message(WARNING "InferenceEngine version has not been set, 2021.4 will be used by default. Set INF_ENGINE_RELEASE variable if you experience build errors.")
-    set(INF_ENGINE_RELEASE "2021040000")
+    set(INF_ENGINE_RELEASE_INIT "2021040000")
+  elseif(DEFINED INF_ENGINE_RELEASE)
+    set(INF_ENGINE_RELEASE_INIT "${INF_ENGINE_RELEASE}")
   endif()
-  set(INF_ENGINE_RELEASE "${INF_ENGINE_RELEASE}" CACHE STRING "Force IE version, should be in form YYYYAABBCC (e.g. 2020.1.0.2 -> 2020010002)")
+  set(INF_ENGINE_RELEASE "${INF_ENGINE_RELEASE_INIT}" CACHE STRING "Force IE version, should be in form YYYYAABBCC (e.g. 2020.1.0.2 -> 2020010002)")
   set_target_properties(${INF_ENGINE_TARGET} PROPERTIES
-    INTERFACE_COMPILE_DEFINITIONS "HAVE_INF_ENGINE=1;INF_ENGINE_RELEASE=${INF_ENGINE_RELEASE}"
+      INTERFACE_COMPILE_DEFINITIONS "HAVE_INF_ENGINE=1;INF_ENGINE_RELEASE=${INF_ENGINE_RELEASE}"
   )
 endif()
 

modules/dnn/src/layers/normalize_bbox_layer.cpp

@@ -338,7 +338,7 @@ public:
             std::iota(axes_data.begin(), axes_data.end(), 1);
         }
         auto axes = std::make_shared<ngraph::op::Constant>(ngraph::element::i64, ngraph::Shape{axes_data.size()}, axes_data);
-        auto norm = std::make_shared<ngraph::op::NormalizeL2>(ieInpNode, axes, epsilon, ngraph::op::EpsMode::ADD);
+        auto norm = std::make_shared<ngraph::op::v0::NormalizeL2>(ieInpNode, axes, epsilon, ngraph::op::EpsMode::ADD);
 
         CV_Assert(blobs.empty() || numChannels == blobs[0].total());
         std::vector<size_t> shape(ieInpNode->get_shape().size(), 1);

platforms/winpack_dldt/2021.4/20210630-dldt-disable-multidevice-autoplugin.patch

@@ -0,0 +1,16 @@
+diff --git a/inference-engine/src/CMakeLists.txt b/inference-engine/src/CMakeLists.txt
+index 0ba0dd78..7d34e7cb 100644
+--- a/inference-engine/src/CMakeLists.txt
++++ b/inference-engine/src/CMakeLists.txt
+@@ -26,9 +26,9 @@ endif()
+ 
+ add_subdirectory(hetero_plugin)
+ 
+-add_subdirectory(auto_plugin)
++#add_subdirectory(auto_plugin)
+ 
+-add_subdirectory(multi_device)
++#add_subdirectory(multi_device)
+ 
+ add_subdirectory(transformations)
+ 

platforms/winpack_dldt/2021.4/20210630-dldt-disable-unused-targets.patch

@@ -0,0 +1,219 @@
+diff --git a/cmake/developer_package/add_ie_target.cmake b/cmake/developer_package/add_ie_target.cmake
+index d49f16a4d..2726ca787 100644
+--- a/cmake/developer_package/add_ie_target.cmake
++++ b/cmake/developer_package/add_ie_target.cmake
+@@ -92,7 +92,7 @@ function(addIeTarget)
+     if (ARG_TYPE STREQUAL EXECUTABLE)
+         add_executable(${ARG_NAME} ${all_sources})
+     elseif(ARG_TYPE STREQUAL STATIC OR ARG_TYPE STREQUAL SHARED)
+-        add_library(${ARG_NAME} ${ARG_TYPE} ${all_sources})
++        add_library(${ARG_NAME} ${ARG_TYPE} EXCLUDE_FROM_ALL ${all_sources})
+     else()
+         message(SEND_ERROR "Invalid target type ${ARG_TYPE} specified for target name ${ARG_NAME}")
+     endif()
+diff --git a/inference-engine/CMakeLists.txt b/inference-engine/CMakeLists.txt
+index 1ac7fd8bf..df7091e51 100644
+--- a/inference-engine/CMakeLists.txt
++++ b/inference-engine/CMakeLists.txt
+@@ -39,7 +39,7 @@ if(ENABLE_TESTS)
+     add_subdirectory(tests)
+ endif()
+ 
+-add_subdirectory(tools)
++#add_subdirectory(tools)
+ 
+ function(ie_build_samples)
+     # samples should be build with the same flags as from OpenVINO package,
+@@ -58,7 +58,7 @@ endfunction()
+ 
+ # gflags and format_reader targets are kept inside of samples directory and
+ # they must be built even if samples build is disabled (required for tests and tools).
+-ie_build_samples()
++#ie_build_samples()
+ 
+ if(ENABLE_PYTHON)
+     add_subdirectory(ie_bridges/python)
+@@ -142,7 +142,7 @@ endif()
+ # Developer package
+ #
+ 
+-openvino_developer_export_targets(COMPONENT openvino_common TARGETS format_reader gflags ie_samples_utils)
++#openvino_developer_export_targets(COMPONENT openvino_common TARGETS format_reader gflags ie_samples_utils)
+ 
+ # for Template plugin
+ if(NGRAPH_INTERPRETER_ENABLE)
+@@ -166,7 +166,7 @@ function(ie_generate_dev_package_config)
+                 @ONLY)
+ endfunction()
+ 
+-ie_generate_dev_package_config()
++#ie_generate_dev_package_config()
+ 
+ #
+ # Coverage
+diff --git a/inference-engine/src/inference_engine/CMakeLists.txt b/inference-engine/src/inference_engine/CMakeLists.txt
+index e8ed1a5c4..1fc9fc3ff 100644
+--- a/inference-engine/src/inference_engine/CMakeLists.txt
++++ b/inference-engine/src/inference_engine/CMakeLists.txt
+@@ -110,7 +110,7 @@ add_cpplint_target(${TARGET_NAME}_plugin_api_cpplint FOR_SOURCES ${plugin_api_sr
+ 
+ # Create object library
+ 
+-add_library(${TARGET_NAME}_obj OBJECT
++add_library(${TARGET_NAME}_obj OBJECT EXCLUDE_FROM_ALL
+             ${LIBRARY_SRC}
+             ${LIBRARY_HEADERS}
+             ${PUBLIC_HEADERS})
+@@ -181,7 +181,7 @@ ie_add_api_validator_post_build_step(TARGET ${TARGET_NAME})
+ 
+ # Static library used for unit tests which are always built
+ 
+-add_library(${TARGET_NAME}_s STATIC
++add_library(${TARGET_NAME}_s STATIC EXCLUDE_FROM_ALL
+             $<TARGET_OBJECTS:${TARGET_NAME}_legacy_obj>
+             $<TARGET_OBJECTS:${TARGET_NAME}_obj>
+             ${IE_STATIC_DEPENDENT_FILES})
+diff --git a/inference-engine/src/legacy_api/CMakeLists.txt b/inference-engine/src/legacy_api/CMakeLists.txt
+index 8eae82bd2..e0e6745b1 100644
+--- a/inference-engine/src/legacy_api/CMakeLists.txt
++++ b/inference-engine/src/legacy_api/CMakeLists.txt
+@@ -26,7 +26,7 @@ endif()
+ 
+ file(TOUCH ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp)
+ 
+-add_library(${TARGET_NAME}_obj OBJECT
++add_library(${TARGET_NAME}_obj OBJECT EXCLUDE_FROM_ALL
+             ${LIBRARY_SRC}
+             ${PUBLIC_HEADERS})
+ 
+diff --git a/inference-engine/src/mkldnn_plugin/CMakeLists.txt b/inference-engine/src/mkldnn_plugin/CMakeLists.txt
+index fe57b29dd..07831e2fb 100644
+--- a/inference-engine/src/mkldnn_plugin/CMakeLists.txt
++++ b/inference-engine/src/mkldnn_plugin/CMakeLists.txt
+@@ -67,7 +67,7 @@ ie_add_api_validator_post_build_step(TARGET ${TARGET_NAME})
+ 
+ #  add test object library
+ 
+-add_library(${TARGET_NAME}_obj OBJECT ${SOURCES} ${HEADERS})
++add_library(${TARGET_NAME}_obj OBJECT EXCLUDE_FROM_ALL ${SOURCES} ${HEADERS})
+ target_link_libraries(${TARGET_NAME}_obj PUBLIC mkldnn)
+ 
+ target_include_directories(${TARGET_NAME}_obj PRIVATE $<TARGET_PROPERTY:inference_engine_preproc_s,INTERFACE_INCLUDE_DIRECTORIES>
+diff --git a/inference-engine/src/preprocessing/CMakeLists.txt b/inference-engine/src/preprocessing/CMakeLists.txt
+index f9548339d..ef962145a 100644
+--- a/inference-engine/src/preprocessing/CMakeLists.txt
++++ b/inference-engine/src/preprocessing/CMakeLists.txt
+@@ -101,7 +101,7 @@ endif()
+ 
+ # Create object library
+ 
+-add_library(${TARGET_NAME}_obj OBJECT
++add_library(${TARGET_NAME}_obj OBJECT EXCLUDE_FROM_ALL
+             ${LIBRARY_SRC}
+             ${LIBRARY_HEADERS})
+ 
+@@ -153,7 +153,7 @@ ie_add_api_validator_post_build_step(TARGET ${TARGET_NAME})
+ 
+ # Static library used for unit tests which are always built
+ 
+-add_library(${TARGET_NAME}_s STATIC
++add_library(${TARGET_NAME}_s STATIC EXCLUDE_FROM_ALL
+             $<TARGET_OBJECTS:${TARGET_NAME}_obj>)
+ 
+ set_ie_threading_interface_for(${TARGET_NAME}_s)
+diff --git a/inference-engine/src/vpu/common/CMakeLists.txt b/inference-engine/src/vpu/common/CMakeLists.txt
+index 249e47c28..4ddf63049 100644
+--- a/inference-engine/src/vpu/common/CMakeLists.txt
++++ b/inference-engine/src/vpu/common/CMakeLists.txt
+@@ -5,7 +5,7 @@
+ file(GLOB_RECURSE SOURCES *.cpp *.hpp *.h)
+ 
+ function(add_common_target TARGET_NAME STATIC_IE)
+-    add_library(${TARGET_NAME} STATIC ${SOURCES})
++    add_library(${TARGET_NAME} STATIC EXCLUDE_FROM_ALL ${SOURCES})
+ 
+     ie_faster_build(${TARGET_NAME}
+         UNITY
+@@ -60,7 +60,7 @@ add_common_target("vpu_common_lib" FALSE)
+ 
+ # Unit tests support for graph transformer
+ if(WIN32)
+-    add_common_target("vpu_common_lib_test_static" TRUE)
++    #add_common_target("vpu_common_lib_test_static" TRUE)
+ else()
+     add_library("vpu_common_lib_test_static" ALIAS "vpu_common_lib")
+ endif()
+diff --git a/inference-engine/src/vpu/graph_transformer/CMakeLists.txt b/inference-engine/src/vpu/graph_transformer/CMakeLists.txt
+index bc73ab5b1..b4c1547fc 100644
+--- a/inference-engine/src/vpu/graph_transformer/CMakeLists.txt
++++ b/inference-engine/src/vpu/graph_transformer/CMakeLists.txt
+@@ -5,7 +5,7 @@
+ file(GLOB_RECURSE SOURCES *.cpp *.hpp *.h *.inc)
+ 
+ function(add_graph_transformer_target TARGET_NAME STATIC_IE)
+-    add_library(${TARGET_NAME} STATIC ${SOURCES})
++    add_library(${TARGET_NAME} STATIC EXCLUDE_FROM_ALL ${SOURCES})
+ 
+     set_ie_threading_interface_for(${TARGET_NAME})
+ 
+@@ -70,7 +70,7 @@ add_graph_transformer_target("vpu_graph_transformer" FALSE)
+ 
+ # Unit tests support for graph transformer
+ if(WIN32)
+-    add_graph_transformer_target("vpu_graph_transformer_test_static" TRUE)
++    #add_graph_transformer_target("vpu_graph_transformer_test_static" TRUE)
+ else()
+     add_library("vpu_graph_transformer_test_static" ALIAS "vpu_graph_transformer")
+ endif()
+diff --git a/inference-engine/thirdparty/pugixml/CMakeLists.txt b/inference-engine/thirdparty/pugixml/CMakeLists.txt
+index 8bcb2801a..f7e031c01 100644
+--- a/inference-engine/thirdparty/pugixml/CMakeLists.txt
++++ b/inference-engine/thirdparty/pugixml/CMakeLists.txt
+@@ -41,7 +41,7 @@ if(BUILD_SHARED_LIBS)
+ else()
+ 	add_library(pugixml STATIC ${SOURCES})
+ 	if (MSVC)
+-		add_library(pugixml_mt STATIC ${SOURCES})
++                #add_library(pugixml_mt STATIC ${SOURCES})
+ 		#if (WIN32)
+ 		#	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
+ 		#	set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
+diff --git a/ngraph/core/builder/CMakeLists.txt b/ngraph/core/builder/CMakeLists.txt
+index ff5c381e7..2797ec9ab 100644
+--- a/ngraph/core/builder/CMakeLists.txt
++++ b/ngraph/core/builder/CMakeLists.txt
+@@ -16,7 +16,7 @@ source_group("src" FILES ${LIBRARY_SRC})
+ source_group("include" FILES ${PUBLIC_HEADERS})
+ 
+ # Create shared library
+-add_library(${TARGET_NAME} STATIC ${LIBRARY_SRC} ${PUBLIC_HEADERS})
++add_library(${TARGET_NAME} STATIC EXCLUDE_FROM_ALL ${LIBRARY_SRC} ${PUBLIC_HEADERS})
+ 
+ if(COMMAND ie_faster_build)
+     ie_faster_build(${TARGET_NAME}
+diff --git a/ngraph/core/reference/CMakeLists.txt b/ngraph/core/reference/CMakeLists.txt
+index ef4a764ab..f6d3172e2 100644
+--- a/ngraph/core/reference/CMakeLists.txt
++++ b/ngraph/core/reference/CMakeLists.txt
+@@ -16,7 +16,7 @@ source_group("src" FILES ${LIBRARY_SRC})
+ source_group("include" FILES ${PUBLIC_HEADERS})
+ 
+ # Create shared library
+-add_library(${TARGET_NAME} STATIC ${LIBRARY_SRC} ${PUBLIC_HEADERS})
++add_library(${TARGET_NAME} STATIC EXCLUDE_FROM_ALL ${LIBRARY_SRC} ${PUBLIC_HEADERS})
+ 
+ if(COMMAND ie_faster_build)
+     ie_faster_build(${TARGET_NAME}
+diff --git a/openvino/itt/CMakeLists.txt b/openvino/itt/CMakeLists.txt
+index e9f880b8c..c63f4df63 100644
+--- a/openvino/itt/CMakeLists.txt
++++ b/openvino/itt/CMakeLists.txt
+@@ -6,7 +6,7 @@ set(TARGET_NAME itt)
+ 
+ file(GLOB_RECURSE SOURCES "src/*.cpp" "src/*.hpp")
+ 
+-add_library(${TARGET_NAME} STATIC ${SOURCES})
++add_library(${TARGET_NAME} STATIC EXCLUDE_FROM_ALL ${SOURCES})
+ 
+ add_library(openvino::itt ALIAS ${TARGET_NAME})
+ 

platforms/winpack_dldt/2021.4/20210630-dldt-pdb.patch

@@ -0,0 +1,15 @@
+iff --git a/CMakeLists.txt b/CMakeLists.txt
+index e0706a72e..9a053b1e4 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -6,6 +6,10 @@ cmake_minimum_required(VERSION 3.13)
+ 
+ project(OpenVINO)
+ 
++set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Zi /FS")
++set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG /OPT:REF /OPT:ICF")
++set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG /OPT:REF /OPT:ICF")
++
+ set(OpenVINO_MAIN_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+ set(IE_MAIN_SOURCE_DIR ${OpenVINO_MAIN_SOURCE_DIR}/inference-engine)
+ 

platforms/winpack_dldt/2021.4/20210630-dldt-vs-version.patch

@@ -0,0 +1,16 @@
+diff --git a/cmake/developer_package/vs_version/vs_version.cmake b/cmake/developer_package/vs_version/vs_version.cmake
+index 14d4c0e1e..6a44f73b9 100644
+--- a/cmake/developer_package/vs_version/vs_version.cmake
++++ b/cmake/developer_package/vs_version/vs_version.cmake
+@@ -8,9 +8,9 @@ set(IE_VS_VER_FILEVERSION_STR "${IE_VERSION_MAJOR}.${IE_VERSION_MINOR}.${IE_VERS
+ 
+ set(IE_VS_VER_COMPANY_NAME_STR "Intel Corporation")
+ set(IE_VS_VER_PRODUCTVERSION_STR "${CI_BUILD_NUMBER}")
+-set(IE_VS_VER_PRODUCTNAME_STR "OpenVINO toolkit")
++set(IE_VS_VER_PRODUCTNAME_STR "OpenVINO toolkit (for OpenCV Windows package)")
+ set(IE_VS_VER_COPYRIGHT_STR "Copyright (C) 2018-2021, Intel Corporation")
+-set(IE_VS_VER_COMMENTS_STR "https://docs.openvinotoolkit.org/")
++set(IE_VS_VER_COMMENTS_STR "https://github.com/opencv/opencv/wiki/Intel%27s-Deep-Learning-Inference-Engine-backend")
+ 
+ #
+ # ie_add_vs_version_file(NAME <name>

platforms/winpack_dldt/2021.4/build.config.py

@@ -0,0 +1 @@
+os.environ['CI_BUILD_NUMBER'] = '2021.4.0-opencv_winpack_dldt'

platforms/winpack_dldt/2021.4/patch.config.py

@@ -0,0 +1,4 @@
+applyPatch('20210630-dldt-disable-unused-targets.patch')
+applyPatch('20210630-dldt-pdb.patch')
+applyPatch('20210630-dldt-disable-multidevice-autoplugin.patch')
+applyPatch('20210630-dldt-vs-version.patch')

platforms/winpack_dldt/2021.4/sysroot.config.py

@@ -0,0 +1,56 @@
+sysroot_bin_dir = prepare_dir(self.sysrootdir / 'bin')
+copytree(self.build_dir / 'install', self.sysrootdir / 'ngraph')
+#rm_one(self.sysrootdir / 'ngraph' / 'lib' / 'ngraph.dll')
+
+build_config = 'Release' if not self.config.build_debug else 'Debug'
+build_bin_dir = self.build_dir / 'bin' / 'intel64' / build_config
+
+def copy_bin(name):
+    global build_bin_dir, sysroot_bin_dir
+    copytree(build_bin_dir / name, sysroot_bin_dir / name)
+
+dll_suffix = 'd' if self.config.build_debug else ''
+def copy_dll(name):
+    global copy_bin, dll_suffix
+    copy_bin(name + dll_suffix + '.dll')
+    copy_bin(name + dll_suffix + '.pdb')
+
+copy_bin('cache.json')
+copy_dll('clDNNPlugin')
+copy_dll('HeteroPlugin')
+copy_dll('inference_engine')
+copy_dll('inference_engine_ir_reader')
+#copy_dll('inference_engine_ir_v7_reader')
+copy_dll('inference_engine_legacy')
+copy_dll('inference_engine_transformations')  # runtime
+copy_dll('inference_engine_lp_transformations')  # runtime
+#copy_dll('inference_engine_preproc')  # runtime
+copy_dll('MKLDNNPlugin')  # runtime
+copy_dll('myriadPlugin')  # runtime
+#copy_dll('MultiDevicePlugin')  # runtime, not used
+copy_dll('ngraph')
+copy_bin('plugins.xml')
+copy_bin('pcie-ma2x8x.elf')
+copy_bin('usb-ma2x8x.mvcmd')
+
+copytree(self.srcdir / 'inference-engine' / 'temp' / 'tbb' / 'bin', sysroot_bin_dir)
+copytree(self.srcdir / 'inference-engine' / 'temp' / 'tbb', self.sysrootdir / 'tbb')
+
+sysroot_ie_dir = prepare_dir(self.sysrootdir / 'deployment_tools' / 'inference_engine')
+sysroot_ie_lib_dir = prepare_dir(sysroot_ie_dir / 'lib' / 'intel64')
+
+copytree(self.srcdir / 'inference-engine' / 'include', sysroot_ie_dir / 'include')
+if not self.config.build_debug:
+    copytree(build_bin_dir / 'ngraph.lib', sysroot_ie_lib_dir / 'ngraph.lib')
+    copytree(build_bin_dir / 'inference_engine.lib', sysroot_ie_lib_dir / 'inference_engine.lib')
+    copytree(build_bin_dir / 'inference_engine_ir_reader.lib', sysroot_ie_lib_dir / 'inference_engine_ir_reader.lib')
+    copytree(build_bin_dir / 'inference_engine_legacy.lib', sysroot_ie_lib_dir / 'inference_engine_legacy.lib')
+else:
+    copytree(build_bin_dir / 'ngraphd.lib', sysroot_ie_lib_dir / 'ngraphd.lib')
+    copytree(build_bin_dir / 'inference_engined.lib', sysroot_ie_lib_dir / 'inference_engined.lib')
+    copytree(build_bin_dir / 'inference_engine_ir_readerd.lib', sysroot_ie_lib_dir / 'inference_engine_ir_readerd.lib')
+    copytree(build_bin_dir / 'inference_engine_legacyd.lib', sysroot_ie_lib_dir / 'inference_engine_legacyd.lib')
+
+sysroot_license_dir = prepare_dir(self.sysrootdir / 'etc' / 'licenses')
+copytree(self.srcdir / 'LICENSE', sysroot_license_dir / 'dldt-LICENSE')
+copytree(self.sysrootdir / 'tbb/LICENSE', sysroot_license_dir / 'tbb-LICENSE')

platforms/winpack_dldt/build_package.py

@@ -214,7 +214,7 @@ class BuilderDLDT:
             patch_hashsum = hashlib.md5(self.patch_file_contents.encode('utf-8')).hexdigest()
         except:
             log.warn("Can't compute hashsum of patches: %s", self.patch_file)
-        self.patch_hashsum = patch_hashsum
+        self.patch_hashsum = self.config.override_patch_hashsum if self.config.override_patch_hashsum else patch_hashsum
 
 
     def prepare_sources(self):
@@ -355,7 +355,6 @@ class Builder:
             BUILD_PERF_TESTS='OFF',
             ENABLE_CXX11='ON',
             WITH_INF_ENGINE='ON',
-            INF_ENGINE_RELEASE=str(self.config.dldt_release),
             WITH_TBB='ON',
             CPU_BASELINE='AVX2',
             CMAKE_INSTALL_PREFIX=str(self.install_dir),
@@ -383,6 +382,9 @@ class Builder:
             OPENCV_PYTHON_INSTALL_PATH='python',
         )
 
+        if self.config.dldt_release:
+            cmake_vars['INF_ENGINE_RELEASE'] = str(self.config.dldt_release)
+
         cmake_vars['INF_ENGINE_LIB_DIRS:PATH'] = str(builderDLDT.sysrootdir / 'deployment_tools/inference_engine/lib/intel64')
         assert os.path.exists(cmake_vars['INF_ENGINE_LIB_DIRS:PATH']), cmake_vars['INF_ENGINE_LIB_DIRS:PATH']
         cmake_vars['INF_ENGINE_INCLUDE_DIRS:PATH'] = str(builderDLDT.sysrootdir / 'deployment_tools/inference_engine/include')
@@ -466,8 +468,8 @@ class Builder:
 def main():
 
     dldt_src_url = 'https://github.com/openvinotoolkit/openvino'
-    dldt_src_commit = '2021.3'
+    dldt_src_commit = '2021.4'
-    dldt_release = '2021030000'
+    dldt_release = None
 
     build_cache_dir_default = os.environ.get('BUILD_CACHE_DIR', '.build_cache')
     build_subst_drive = os.environ.get('BUILD_SUBST_DRIVE', None)
@@ -494,13 +496,15 @@ def main():
     parser.add_argument('--dldt_src_branch', help='DLDT checkout branch')
     parser.add_argument('--dldt_src_commit', default=dldt_src_commit, help='DLDT source commit / tag (default: %s)' % dldt_src_commit)
     parser.add_argument('--dldt_src_git_clone_extra', action='append', help='DLDT git clone extra args')
-    parser.add_argument('--dldt_release', default=dldt_release, help='DLDT release code for INF_ENGINE_RELEASE (default: %s)' % dldt_release)
+    parser.add_argument('--dldt_release', default=dldt_release, help='DLDT release code for INF_ENGINE_RELEASE, e.g 2021030000 (default: %s)' % dldt_release)
 
     parser.add_argument('--dldt_reference_dir', help='DLDT reference git repository (optional)')
     parser.add_argument('--dldt_src_dir', help='DLDT custom source repository (skip git checkout and patching, use for TESTING only)')
 
     parser.add_argument('--dldt_config', help='Specify DLDT build configuration (defaults to evaluate from DLDT commit/branch)')
 
+    parser.add_argument('--override_patch_hashsum', default='', help='(script debug mode)')
+
     args = parser.parse_args()
 
     log.basicConfig(