C++ (Cpp) GetReadChunkSize示例

示例#1

文件： XnSensorAudioStream.cpp 项目： RikeshThapa/VirtueX

XnStatus XnSensorAudioStream::NewData()
{
	// check how many buffers we have
	XnInt32 nAvailbalePackets = m_buffer.nAudioWriteIndex - m_buffer.nAudioReadIndex;
	if (nAvailbalePackets < 0)
		nAvailbalePackets += m_buffer.nAudioBufferNumOfPackets;

	if ((XnUInt32)nAvailbalePackets * m_buffer.nAudioPacketSize >= GetReadChunkSize())
	{
		// update last write index (the last written byte)
		m_pSharedHeader->nWritePacketIndex = m_buffer.nAudioWriteIndex;
		// take first packet timestamp
		NewDataAvailable(m_buffer.pAudioPacketsTimestamps[m_buffer.nAudioReadIndex], 0);
	}

	return XN_STATUS_OK;
}

示例#2

文件： XnSensorAudioStream.cpp 项目： roxlu/SensorKinect

XnStatus XnSensorAudioStream::NewData()
{
	XnStatus nRetVal = XN_STATUS_OK;

	XnDevicePrivateData* pDevicePrivateData = m_Helper.GetPrivateData();

	// check how many buffers we have
	XnInt32 nAvailbalePackets = pDevicePrivateData->nAudioWriteIndex - pDevicePrivateData->nAudioReadIndex;
	if (nAvailbalePackets < 0)
		nAvailbalePackets += pDevicePrivateData->nAudioBufferNumOfPackets;

	if ((XnUInt32)nAvailbalePackets * pDevicePrivateData->nAudioPacketSize >= GetReadChunkSize())
	{
		// update last write index (the last written byte)
		m_pSharedHeader->nWritePacketIndex = pDevicePrivateData->nAudioWriteIndex;
		// take first packet timestamp
		NewDataAvailable(pDevicePrivateData->pAudioPacketsTimestamps[pDevicePrivateData->nAudioReadIndex], 0);
	}

	return XN_STATUS_OK;
}