Remove voe::OutputMixer and AudioConferenceMixer.

modules/audio_conference_mixer/source/memory_pool_posix.h

-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_GENERIC_H_
-#define MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_GENERIC_H_
-
-#include <assert.h>
-#include <list>
-
-#include "rtc_base/criticalsection.h"
-#include "typedefs.h"  // NOLINT(build/include)
-
-namespace webrtc {
-template<class MemoryType>
-class MemoryPoolImpl
-{
-public:
-    // MemoryPool functions.
-    int32_t PopMemory(MemoryType*&  memory);
-    int32_t PushMemory(MemoryType*& memory);
-
-    MemoryPoolImpl(int32_t initialPoolSize);
-    ~MemoryPoolImpl();
-
-    // Atomic functions
-    int32_t Terminate();
-    bool Initialize();
-private:
-    // Non-atomic function.
-    int32_t CreateMemory(uint32_t amountToCreate);
-
-    rtc::CriticalSection _crit;
-
-    bool _terminate;
-
-    std::list<MemoryType*> _memoryPool;
-
-    uint32_t _initialPoolSize;
-    uint32_t _createdMemory;
-    uint32_t _outstandingMemory;
-};
-
-template<class MemoryType>
-MemoryPoolImpl<MemoryType>::MemoryPoolImpl(int32_t initialPoolSize)
-    : _terminate(false),
-      _initialPoolSize(initialPoolSize),
-      _createdMemory(0),
-      _outstandingMemory(0)
-{
-}
-
-template<class MemoryType>
-MemoryPoolImpl<MemoryType>::~MemoryPoolImpl()
-{
-    // Trigger assert if there is outstanding memory.
-    assert(_createdMemory == 0);
-    assert(_outstandingMemory == 0);
-}
-
-template<class MemoryType>
-int32_t MemoryPoolImpl<MemoryType>::PopMemory(MemoryType*& memory)
-{
-    rtc::CritScope cs(&_crit);
-    if(_terminate)
-    {
-        memory = NULL;
-        return -1;
-    }
-    if (_memoryPool.empty()) {
-        // _memoryPool empty create new memory.
-        CreateMemory(_initialPoolSize);
-        if(_memoryPool.empty())
-        {
-            memory = NULL;
-            return -1;
-        }
-    }
-    memory = _memoryPool.front();
-    _memoryPool.pop_front();
-    _outstandingMemory++;
-    return 0;
-}
-
-template<class MemoryType>
-int32_t MemoryPoolImpl<MemoryType>::PushMemory(MemoryType*& memory)
-{
-    if(memory == NULL)
-    {
-        return -1;
-    }
-    rtc::CritScope cs(&_crit);
-    _outstandingMemory--;
-    if(_memoryPool.size() > (_initialPoolSize << 1))
-    {
-        // Reclaim memory if less than half of the pool is unused.
-        _createdMemory--;
-        delete memory;
-        memory = NULL;
-        return 0;
-    }
-    _memoryPool.push_back(memory);
-    memory = NULL;
-    return 0;
-}
-
-template<class MemoryType>
-bool MemoryPoolImpl<MemoryType>::Initialize()
-{
-    rtc::CritScope cs(&_crit);
-    return CreateMemory(_initialPoolSize) == 0;
-}
-
-template<class MemoryType>
-int32_t MemoryPoolImpl<MemoryType>::Terminate()
-{
-    rtc::CritScope cs(&_crit);
-    assert(_createdMemory == _outstandingMemory + _memoryPool.size());
-
-    _terminate = true;
-    // Reclaim all memory.
-    while(_createdMemory > 0)
-    {
-        MemoryType* memory = _memoryPool.front();
-        _memoryPool.pop_front();
-        delete memory;
-        _createdMemory--;
-    }
-    return 0;
-}
-
-template<class MemoryType>
-int32_t MemoryPoolImpl<MemoryType>::CreateMemory(
-    uint32_t amountToCreate)
-{
-    for(uint32_t i = 0; i < amountToCreate; i++)
-    {
-        MemoryType* memory = new MemoryType();
-        if(memory == NULL)
-        {
-            return -1;
-        }
-        _memoryPool.push_back(memory);
-        _createdMemory++;
-    }
-    return 0;
-}
-}  // namespace webrtc
-
-#endif // MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_MEMORY_POOL_GENERIC_H_