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libs/hwcodec/externals/AMF_v1.4.35/amf/public/common/InterfaceImpl.h
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214
libs/hwcodec/externals/AMF_v1.4.35/amf/public/common/InterfaceImpl.h
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//
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// Notice Regarding Standards. AMD does not provide a license or sublicense to
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// any Intellectual Property Rights relating to any standards, including but not
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// limited to any audio and/or video codec technologies such as MPEG-2, MPEG-4;
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// AVC/H.264; HEVC/H.265; AAC decode/FFMPEG; AAC encode/FFMPEG; VC-1; and MP3
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// (collectively, the "Media Technologies"). For clarity, you will pay any
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// royalties due for such third party technologies, which may include the Media
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// Technologies that are owed as a result of AMD providing the Software to you.
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//
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// MIT license
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//
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// Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#ifndef AMF_InterfaceImpl_h
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#define AMF_InterfaceImpl_h
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#pragma once
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#include "../include/core/Interface.h"
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#include "Thread.h"
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#pragma warning(disable : 4511)
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namespace amf
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{
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#define AMF_BEGIN_INTERFACE_MAP \
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virtual AMF_RESULT AMF_STD_CALL QueryInterface(const amf::AMFGuid & interfaceID, void** ppInterface) \
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{ \
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AMF_RESULT err = AMF_NO_INTERFACE; \
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#define AMF_INTERFACE_ENTRY(T) \
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if(AMFCompareGUIDs(interfaceID, T::IID())) \
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{ \
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*ppInterface = (void*)static_cast<T*>(this); \
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this->Acquire(); \
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err = AMF_OK; \
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} \
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else \
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#define AMF_INTERFACE_ENTRY_THIS(T, _TI) \
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if(AMFCompareGUIDs(interfaceID, T::IID())) \
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{ \
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*ppInterface = (void*)static_cast<T*>(static_cast<_TI*>(this)); \
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this->Acquire(); \
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err = AMF_OK; \
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} \
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else \
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#define AMF_INTERFACE_MULTI_ENTRY(T) \
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if(AMFCompareGUIDs(interfaceID, T::IID())) \
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{ \
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*ppInterface = (void*)static_cast<T*>(this); \
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AcquireInternal(); \
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err = AMF_OK; \
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} \
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else \
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#define AMF_INTERFACE_CHAIN_ENTRY(T) \
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if(static_cast<T&>(*this).T::QueryInterface(interfaceID, ppInterface) == AMF_OK) \
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{err = AMF_OK;} \
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else \
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//good as an example but we should not use aggregate pattern without big reason - very hard to debug
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#define AMF_INTERFACE_AGREGATED_ENTRY(T, _Ptr) \
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if(AMFCompareGUIDs(interfaceID, T::IID())) \
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{ \
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T* ptr = static_cast<T*>(_Ptr); \
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*ppInterface = (void*)ptr; \
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ptr->Acquire(); \
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err = AMF_OK; \
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} \
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else \
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#define AMF_INTERFACE_CHAIN_AGREGATED_ENTRY(T, _Ptr) \
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if(err = static_cast<T*>(_Ptr)->QueryInterface(interfaceID, ppInterface)) { \
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} \
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else \
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#define AMF_END_INTERFACE_MAP \
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{} \
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return err; \
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} \
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//---------------------------------------------------------------
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class AMFInterfaceBase
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{
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protected:
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amf_long m_refCount;
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virtual ~AMFInterfaceBase()
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#if __GNUC__ == 11 //WORKAROUND for gcc-11 bug
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__attribute__ ((noinline))
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#endif
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{}
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public:
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AMFInterfaceBase() : m_refCount(0)
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{}
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virtual amf_long AMF_STD_CALL AcquireInternal()
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{
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amf_long newVal = amf_atomic_inc(&m_refCount);
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return newVal;
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}
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virtual amf_long AMF_STD_CALL ReleaseInternal()
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{
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amf_long newVal = amf_atomic_dec(&m_refCount);
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if(newVal == 0)
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{
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delete this;
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}
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return newVal;
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}
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virtual amf_long AMF_STD_CALL RefCountInternal()
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{
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return m_refCount;
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}
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};
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//---------------------------------------------------------------
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template<class _Base , typename _Param1 = int, typename _Param2 = int, typename _Param3 = int>
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class AMFInterfaceImpl : public _Base, public AMFInterfaceBase
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{
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protected:
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virtual ~AMFInterfaceImpl()
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{}
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public:
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AMFInterfaceImpl(_Param1 param1, _Param2 param2, _Param3 param3) : _Base(param1, param2, param3)
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{}
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AMFInterfaceImpl(_Param1 param1, _Param2 param2) : _Base(param1, param2)
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{}
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AMFInterfaceImpl(_Param1 param1) : _Base(param1)
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{}
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AMFInterfaceImpl()
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{}
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virtual amf_long AMF_STD_CALL Acquire()
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{
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return AMFInterfaceBase::AcquireInternal();
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}
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virtual amf_long AMF_STD_CALL Release()
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{
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return AMFInterfaceBase::ReleaseInternal();
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}
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virtual amf_long AMF_STD_CALL RefCount()
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{
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return AMFInterfaceBase::RefCountInternal();
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}
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AMF_BEGIN_INTERFACE_MAP
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AMF_INTERFACE_ENTRY(AMFInterface)
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AMF_INTERFACE_ENTRY(_Base)
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AMF_END_INTERFACE_MAP
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};
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//---------------------------------------------------------------
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template<class _Base, class _BaseInterface, typename _Param1 = int, typename _Param2 = int, typename _Param3 = int, typename _Param4 = int, typename _Param5 = int, typename _Param6 = int>
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class AMFInterfaceMultiImpl : public _Base
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{
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protected:
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virtual ~AMFInterfaceMultiImpl()
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{}
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public:
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AMFInterfaceMultiImpl(_Param1 param1, _Param2 param2, _Param3 param3, _Param4 param4, _Param5 param5, _Param6 param6) : _Base(param1, param2, param3, param4, param5, param6)
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{}
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AMFInterfaceMultiImpl(_Param1 param1, _Param2 param2, _Param3 param3, _Param4 param4, _Param5 param5) : _Base(param1, param2, param3, param4, param5)
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{}
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AMFInterfaceMultiImpl(_Param1 param1, _Param2 param2, _Param3 param3, _Param4 param4) : _Base(param1, param2, param3, param4)
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{}
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AMFInterfaceMultiImpl(_Param1 param1, _Param2 param2, _Param3 param3) : _Base(param1, param2, param3)
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{}
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AMFInterfaceMultiImpl(_Param1 param1, _Param2 param2) : _Base(param1, param2)
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{}
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AMFInterfaceMultiImpl(_Param1 param1) : _Base(param1)
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{}
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AMFInterfaceMultiImpl()
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{}
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virtual amf_long AMF_STD_CALL Acquire()
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{
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return AMFInterfaceBase::AcquireInternal();
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}
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virtual amf_long AMF_STD_CALL Release()
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{
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return AMFInterfaceBase::ReleaseInternal();
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}
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virtual amf_long AMF_STD_CALL RefCount()
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{
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return AMFInterfaceBase::RefCountInternal();
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}
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AMF_BEGIN_INTERFACE_MAP
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AMF_INTERFACE_ENTRY_THIS(AMFInterface, _BaseInterface)
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AMF_INTERFACE_CHAIN_ENTRY(_Base)
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AMF_END_INTERFACE_MAP
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};
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} // namespace amf
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#endif // AMF_InterfaceImpl_h
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