[HEVCe/lib] Fix kw issue for unique pointer reset and initialization

1.Defer unique pointer reset after the argument be used
2.Change variable Initialization from constructor to declaration

Author: LightnyIntel

_studio/mfx_lib/encode_hw/hevc/agnostic/base/hevcehw_base_alloc.cpp

@@ -55,7 +55,6 @@ IAllocation* Allocator::MakeAlloc(std::unique_ptr<MfxEncodeHW::ResPool>&& upAllo
         return nullptr;
 
     auto pAlloc = upAlloc.release();
-    pIAlloc->m_pthis.reset(pAlloc);
 
 #define WRAP_CC(X) pIAlloc->X.Push(WrapCC(&MfxEncodeHW::ResPool::X, pAlloc))
     WRAP_CC(Alloc);
@@ -69,6 +68,8 @@ IAllocation* Allocator::MakeAlloc(std::unique_ptr<MfxEncodeHW::ResPool>&& upAllo
     WRAP_CC(UnlockAll);
     WRAP_CC(Acquire);
 
+    pIAlloc->m_pthis.reset(pAlloc);
+
     return pIAlloc.release();
 }
 

_studio/mfx_lib/encode_hw/hevc/agnostic/base/hevcehw_base_impl.cpp

@@ -46,7 +46,6 @@ using namespace HEVCEHW::Base;
 
 MFXVideoENCODEH265_HW::MFXVideoENCODEH265_HW(VideoCORE& core)
     : m_core(core)
-    , m_runtimeErr(MFX_ERR_NONE)
 {
 }
 

_studio/mfx_lib/encode_hw/hevc/agnostic/base/hevcehw_base_impl.h

@@ -119,7 +119,7 @@ namespace Base
         VideoCORE& m_core;
         TFeatureList m_features;
         StorageRW m_storage;
-        mfxStatus m_runtimeErr;
+        mfxStatus m_runtimeErr = MFX_ERR_NONE;
 
         mfxStatus Execute(mfxThreadTask task, mfxU32 uid_p, mfxU32 uid_a);
         mfxStatus FreeResources(mfxThreadTask task, mfxStatus sts);