本文整理汇总了C++中MemoryBase::getMemory方法的典型用法代码示例。如果您正苦于以下问题：C++ MemoryBase::getMemory方法的具体用法？C++ MemoryBase::getMemory怎么用？C++ MemoryBase::getMemory使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MemoryBase的用法示例。
在下文中一共展示了MemoryBase::getMemory方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Open
//.........这里部分代码省略.........
{
case MAKEFOURCC('Y','V','1','2'):
#ifndef RENESAS_ANDROID
#if ANDROID_VER==23
m_dpFormat =HAL_PIXEL_FORMAT_YV12;
#else
m_dpFormat =HAL_PIXEL_FORMAT_YCbCr_420_P;
#endif
#else
m_dpFormat = OVERLAY_FORMAT_YCbCr_420_P;
#endif
m_bytesPerPixel = 1.5f;
break;
case MAKEFOURCC('N','V','1','2'):
#ifndef RENESAS_ANDROID
m_dpFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP;
#else
m_dpFormat = OVERLAY_FORMAT_YCbCr_420_SP;
#endif
m_bytesPerPixel = 1.5f;
break;
default:
break;
}
if(m_dpFormat != 0)
break;
}
DP("Open :%x ,w,h:%d,%d\n", m_dwFourCC, m_dwWidth, m_dwHeight);
if(m_dpFormat == 0)
{
DP("[CGfxAndroidISurfOverlay::Open] m_dpFormat == 0 \n");
return E_FAIL;
}
/*
m_heap = new MemoryHeapBase(m_dwWidth*m_dwHeight*m_bytesPerPixel* ISURFACEOVL_BACKBUFF_NUM);
if(!m_heap)
{
LOGE("ERROR !!! null heap \n");
}
*/
#if defined(RENESAS_ANDROID)
int ret;
unsigned long phys_start;
unsigned long phys_size = 6*1024*1024;
int test_count;
m_renesas_fd = open("/dev/siz", O_RDWR | O_NONBLOCK | O_NOCTTY);
if(m_renesas_fd < 0)
return E_FAIL;
DP("========= mmap dynamic ========== \n");
ioctl(m_renesas_fd, EMXX_CIDANA_PHYSTART, &m_renesas_phymemory_addr);
ioctl(m_renesas_fd, EMXX_CIDANA_PHYSIZE, &m_renesas_memory_size);
m_renesas_memory_addr = (unsigned char *)mmap(0, m_renesas_memory_size,
PROT_READ | PROT_WRITE, MAP_SHARED, m_renesas_fd, m_renesas_phymemory_addr);
DP("mmap virtual addr: %p, phys_start:%p, phys_size=%x \n", m_renesas_memory_addr,
m_renesas_phymemory_addr, m_renesas_memory_size);
#endif
for(int i=0;i<ISURFACEOVL_BACKBUFF_NUM;i++)
{
#ifdef INFOMAX
m_heap = new MemoryHeapBase("/dev/pmem_adsp", m_dwWidth*m_dwHeight*m_bytesPerPixel);
if(m_heap->heapID() >= 0) {
m_PBuffer = new MemoryBase(m_heap, 0, m_dwWidth*m_dwHeight*m_bytesPerPixel);
m_pBuff[i] = (unsigned char*)(m_PBuffer->getMemory(NULL, NULL)->base());
DP("malloc m_pBuff[%d]:%p \n",i,m_pBuff[i]);
}
else
{
DP("failed to new pmem_adsp");
return E_FAIL;
}
#elif defined(RENESAS_ANDROID)
if(i* m_dwWidth*m_dwHeight*m_bytesPerPixel > m_renesas_memory_size)
{
DP("physical memory isn't enough i:%d eachBuf:%d \n",i,m_dwWidth*m_dwHeight*m_bytesPerPixel);
return E_FAIL;
}
m_pBuff[i] = m_renesas_memory_addr + (LONG)(i* m_dwWidth*m_dwHeight*m_bytesPerPixel);
#else
m_pBuff[i] = (unsigned char*)malloc(m_dwWidth*m_dwHeight*m_bytesPerPixel);
#endif
LOGE("m_pBuff[%d] :%p",i,m_pBuff[i]);
memset(m_pBuff[i],0, i*m_dwWidth*m_dwHeight*m_bytesPerPixel);
if(!m_pBuff[i])
{
DP("[<<<<<<<<<<<<<<CGfxAndroidISurfOverlay]malloc bufer %d failed \n",i);
return E_FAIL;
}
}
DP("[<<<<<<<<<<<<<<CGfxAndroidISurfOverlay]Open w:%d h:%d \n",m_dwWidth, m_dwHeight);
m_bOpen = TRUE;
return S_OK;
}