130 lines
2.8 KiB
C++
130 lines
2.8 KiB
C++
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/******************************************************************************
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Copyright (C), 2001-2016, Allwinner Tech. Co., Ltd.
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******************************************************************************
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File Name : CMediaMemory.cpp
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Version : Initial Draft
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Author : Allwinner BU3-PD2 Team
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Created : 2017/01/24
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Last Modified :
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Description : memory block struct
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Function List :
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History :
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******************************************************************************/
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//#define LOG_NDEBUG 0
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#define LOG_TAG "CMediaMemory"
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#include <utils/plat_log.h>
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#include <cstdlib>
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#include <cstring>
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#include <utility>
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#include <CMediaMemory.h>
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namespace EyeseeLinux
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{
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CMediaMemory::CMediaMemory()
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{
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pMem = NULL;
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mSize = 0;
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//alogv("default construct this=%p", this);
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}
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CMediaMemory::CMediaMemory(int size)
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{
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if(size > 0)
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{
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pMem = malloc(size);
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if(pMem == NULL)
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{
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mSize = 0;
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aloge("malloc size[%d] fail", size);
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}
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else
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{
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mSize = size;
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}
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}
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else
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{
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pMem = NULL;
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mSize = 0;
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}
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//alogv("construct this=%p, mem=%p, size=%d", this, pMem, mSize);
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}
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//copy constructor
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CMediaMemory::CMediaMemory(const CMediaMemory& ref)
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{
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if(ref.mSize > 0)
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{
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mSize = ref.mSize;
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pMem = malloc(mSize);
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memcpy(pMem, ref.pMem, mSize);
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}
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else
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{
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pMem = NULL;
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mSize = 0;
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}
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alogw("Be careful! please avoid copy construct this=%p, mem=%p, size=%d", this, pMem, mSize);
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}
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//copy assignment
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CMediaMemory& CMediaMemory::operator= (const CMediaMemory& ref)
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{
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if(ref.mSize > 0)
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{
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mSize = ref.mSize;
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pMem = malloc(mSize);
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memcpy(pMem, ref.pMem, mSize);
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}
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else
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{
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pMem = NULL;
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mSize = 0;
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}
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alogw("Be careful! please avoid copy assignment this=%p, mem=%p, size=%d", this, pMem, mSize);
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return *this;
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}
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//move constructor
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CMediaMemory::CMediaMemory(CMediaMemory&& rRef)
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{
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pMem = rRef.pMem;
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mSize = rRef.mSize;
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rRef.pMem = NULL;
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rRef.mSize = 0;
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//alogv("move construct this=%p, mem=%p, size=%d", this, pMem, mSize);
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}
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//move assignment
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CMediaMemory& CMediaMemory::operator=(CMediaMemory&& rRef)
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{
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std::swap(pMem, rRef.pMem);
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std::swap(mSize, rRef.mSize);
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//alogv("move assignment this=%p: after swap: mem=%p, size=%d, rRef mem=%p, size=%d", this, pMem, mSize, rRef.pMem, rRef.mSize);
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return *this;
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}
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CMediaMemory::~CMediaMemory()
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{
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if(pMem)
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{
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free(pMem);
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}
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//alogv("destructor this=%p: mem=%p, size=%d", this, pMem, mSize);
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}
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void* CMediaMemory::getPointer() const
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{
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return pMem;
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}
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int CMediaMemory::getSize() const
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{
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return mSize;
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}
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}; /* namespace EyeseeLinux */
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