123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_H_
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#define WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_H_
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#include <assert.h>
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#include "typedefs.h"
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#if _WIN32
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#include "memory_pool_windows.h"
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#else
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#include "memory_pool_generic.h"
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#endif
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namespace webrtc {
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template<class MemoryType>
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class MemoryPool
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{
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public:
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// Factory method, constructor disabled.
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static WebRtc_Word32 CreateMemoryPool(MemoryPool*& memoryPool,
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WebRtc_UWord32 initialPoolSize);
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// Try to delete the memory pool. Fail with return value -1 if there is
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// outstanding memory.
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static WebRtc_Word32 DeleteMemoryPool(
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MemoryPool*& memoryPool);
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// Get/return unused memory.
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WebRtc_Word32 PopMemory(MemoryType*& memory);
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WebRtc_Word32 PushMemory(MemoryType*& memory);
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private:
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MemoryPool(WebRtc_Word32 initialPoolSize);
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~MemoryPool();
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MemoryPoolImpl<MemoryType>* _ptrImpl;
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};
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template<class MemoryType>
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MemoryPool<MemoryType>::MemoryPool(WebRtc_Word32 initialPoolSize)
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{
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_ptrImpl = new MemoryPoolImpl<MemoryType>(initialPoolSize);
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}
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template<class MemoryType>
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MemoryPool<MemoryType>::~MemoryPool()
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{
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delete _ptrImpl;
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}
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template<class MemoryType> WebRtc_Word32
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MemoryPool<MemoryType>::CreateMemoryPool(MemoryPool*& memoryPool,
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WebRtc_UWord32 initialPoolSize)
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{
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memoryPool = new MemoryPool(initialPoolSize);
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if(memoryPool == NULL)
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{
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return -1;
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}
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if(memoryPool->_ptrImpl == NULL)
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{
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delete memoryPool;
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memoryPool = NULL;
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return -1;
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}
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if(!memoryPool->_ptrImpl->Initialize())
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{
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delete memoryPool;
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memoryPool = NULL;
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return -1;
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}
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return 0;
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}
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template<class MemoryType>
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WebRtc_Word32 MemoryPool<MemoryType>::DeleteMemoryPool(MemoryPool*& memoryPool)
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{
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if(memoryPool == NULL)
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{
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return -1;
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}
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if(memoryPool->_ptrImpl == NULL)
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{
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return -1;
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}
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if(memoryPool->_ptrImpl->Terminate() == -1)
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{
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return -1;
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}
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delete memoryPool;
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memoryPool = NULL;
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return 0;
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}
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template<class MemoryType>
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WebRtc_Word32 MemoryPool<MemoryType>::PopMemory(MemoryType*& memory)
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{
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return _ptrImpl->PopMemory(memory);
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}
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template<class MemoryType>
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WebRtc_Word32 MemoryPool<MemoryType>::PushMemory(MemoryType*& memory)
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{
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if(memory == NULL)
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{
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return -1;
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}
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return _ptrImpl->PushMemory(memory);
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}
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_H_
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