[Encode] Code refactor for AV1 interpo filter

_studio/mfx_lib/encode_hw/CMakeLists.txt

@@ -215,6 +215,8 @@ if (MFX_ENABLE_AV1_VIDEO_ENCODE)
     ${CMAKE_CURRENT_SOURCE_DIR}/av1/agnostic/base/av1ehw_base_iddi_packer.h
     ${CMAKE_CURRENT_SOURCE_DIR}/av1/agnostic/base/av1ehw_base_impl.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/av1/agnostic/base/av1ehw_base_impl.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/av1/agnostic/base/av1ehw_base_interpo_filter.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/av1/agnostic/base/av1ehw_base_interpo_filter.h
     ${CMAKE_CURRENT_SOURCE_DIR}/av1/agnostic/base/av1ehw_base_packer.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/av1/agnostic/base/av1ehw_base_packer.h
     ${CMAKE_CURRENT_SOURCE_DIR}/av1/agnostic/base/av1ehw_base_query_impl_desc.cpp

_studio/mfx_lib/encode_hw/av1/agnostic/base/av1ehw_base_data.h

@@ -1327,6 +1327,7 @@ namespace Base
         , FEATURE_MAX_FRAME_SIZE
         , FEATURE_HDR
         , FEATURE_QUALITYINFO
+        , FEATURE_INTERPO_FILTER
         , NUM_FEATURES
     };
 

_studio/mfx_lib/encode_hw/av1/agnostic/base/av1ehw_base_interpo_filter.cpp

@@ -0,0 +1,110 @@
+// Copyright (c) 2023-2024 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#include "mfx_common.h"
+#if defined(MFX_ENABLE_AV1_VIDEO_ENCODE)
+
+#include "av1ehw_base_data.h"
+#include "av1ehw_base_interpo_filter.h"
+
+using namespace AV1EHW;
+
+namespace AV1EHW
+{
+namespace Base
+{
+static inline void UpdateInterpFilterForNonRAB(mfxU16 width, mfxU8 QP, Base::FH& currFH)
+{
+    if (width <= 500 && QP <= 220)
+    {
+        currFH.interpolation_filter = EIGHTTAP_SHARP;
+    }
+}
+
+static inline void UpdateInterpFilterForBPyramid(mfxU16 width, mfxU8 QP, mfxU16 GopRefDist, Base::FH& currFH)
+{
+    if ((currFH.order_hint % (GopRefDist / 2)) == 0)
+    {
+        if (width <= 900 && QP <= 255)
+        {
+            currFH.interpolation_filter = EIGHTTAP_SHARP;
+        }
+    }
+    else
+    {
+        if (width <= 2000 && QP <= 255)
+        {
+            currFH.interpolation_filter = EIGHTTAP_SHARP;
+        }
+    }
+}
+
+static mfxStatus PostUpdateInterpFilter(
+    const mfxVideoParam& par
+    , mfxU8 QP
+    , Base::FH& currFH)
+{
+
+    if (currFH.frame_type != KEY_FRAME)
+    {
+        const mfxExtCodingOption2& CO2 = ExtBuffer::Get(par);
+        const mfxU16 Width = par.mfx.FrameInfo.CropW;
+        const mfxU16 GopRefDist = par.mfx.GopRefDist;
+        bool haveRAB = HaveRABFrames(par);
+        bool isBPyramid = (CO2.BRefType == MFX_B_REF_PYRAMID) ? true : false;
+
+        if (!haveRAB)
+        {
+            // for no RAB Gop.
+            UpdateInterpFilterForNonRAB(Width, QP, currFH);
+        }
+        else if (isBPyramid && GopRefDist == 8)
+        {
+            // for RAB BPyramid
+            UpdateInterpFilterForBPyramid(Width, QP, GopRefDist, currFH);
+        }
+    }
+
+    return MFX_ERR_NONE;
+}
+
+void InterpoFilter::PostReorderTask(const FeatureBlocks& /*blocks*/, TPushPostRT Push)
+{
+    Push(BLK_ConfigureTask
+        , [this](
+            StorageW& global
+            , StorageW& s_task) -> mfxStatus
+        {
+            const auto             &par    = GetRTDefaults(global).mvp;
+            const mfxExtAV1AuxData &auxPar = ExtBuffer::Get(par);
+
+            if (auxPar.InterpFilter == MFX_AV1_INTERP_DEFAULT)
+            {
+                return PostUpdateInterpFilter(par, Task::Common::Get(s_task).QpY, Task::FH::Get(s_task));
+            }
+
+            return MFX_ERR_NONE;
+        });
+}
+
+} //namespace Base
+} //namespace AV1EHW
+
+#endif //defined(MFX_ENABLE_AV1_VIDEO_ENCODE)

_studio/mfx_lib/encode_hw/av1/agnostic/base/av1ehw_base_interpo_filter.h

@@ -0,0 +1,52 @@
+// Copyright (c) 2023-2024 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#pragma once
+
+#include "mfx_common.h"
+#if defined(MFX_ENABLE_AV1_VIDEO_ENCODE)
+
+#include "av1ehw_base.h"
+
+namespace AV1EHW
+{
+namespace Base
+{
+    class InterpoFilter
+        : public FeatureBase
+    {
+    public:
+#define DECL_BLOCK_LIST\
+        DECL_BLOCK(ConfigureTask       )
+#define DECL_FEATURE_NAME "INTERPOLATION_FILTER"
+#include "av1ehw_decl_blocks.h"
+
+        InterpoFilter(mfxU32 FeatureId)
+        : FeatureBase(FeatureId)
+    {}
+
+    protected:
+        virtual void PostReorderTask(const FeatureBlocks& /*blocks*/, TPushPostRT Push) override;
+
+    };
+} //Base
+} //namespace AV1EHW
+
+#endif //defined(MFX_ENABLE_AV1_VIDEO_ENCODE)