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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#if 0 // Audio support
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnAudioProcessor.h"
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnAudioProcessor::XnAudioProcessor(XnSensorAudioStream* pStream, XnSensorStreamHelper* pHelper, XnDeviceAudioBuffer* pBuffer, XnUInt32 nInputPacketSize) :
XnWholePacketProcessor(pHelper->GetPrivateData(), pStream->GetType(), nInputPacketSize),
m_AudioInDump(NULL),
m_pStream(pStream),
m_pBuffer(pBuffer),
m_pHelper(pHelper)
{
m_AudioInDump = xnDumpFileOpen(XN_DUMP_AUDIO_IN, "AudioIn.pcm");
}
XnAudioProcessor::~XnAudioProcessor()
{
xnDumpFileClose(m_AudioInDump);
GetStream()->NumberOfChannelsProperty().OnChangeEvent().Unregister(m_hNumChannelsCallback);
}
XnStatus XnAudioProcessor::Init()
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = XnWholePacketProcessor::Init();
XN_IS_STATUS_OK(nRetVal);
nRetVal = GetStream()->NumberOfChannelsProperty().OnChangeEvent().Register(DeleteChannelChangedCallback, this, m_hNumChannelsCallback);
XN_IS_STATUS_OK(nRetVal);
CalcDeleteChannel();
return (XN_STATUS_OK);
}
void XnAudioProcessor::ProcessWholePacket(const XnSensorProtocolResponseHeader* pHeader, const XnUChar* pData)
{
xnOSEnterCriticalSection(&m_pBuffer->hLock);
// take write packet
XnUChar* pWritePacket = m_pBuffer->pAudioBuffer + (m_pBuffer->nAudioWriteIndex * m_pBuffer->nAudioPacketSize);
if (m_bDeleteChannel)
{
XnUInt16* pSamples = (XnUInt16*)pData;
XnUInt16* pSamplesEnd = (XnUInt16*)(pData + pHeader->nBufSize);
XnUInt16* pOutput = (XnUInt16*)pWritePacket;
while (pSamples < pSamplesEnd)
{
*pOutput = *pSamples;
pOutput++;
// skip a sample
pSamples += 2;
}
}
else
{
// copy data
xnOSMemCopy(pWritePacket, pData, pHeader->nBufSize);
}
// mark timestamp
if (ShouldUseHostTimestamps())
{
m_pBuffer->pAudioPacketsTimestamps[m_pBuffer->nAudioWriteIndex] = GetHostTimestamp();
}
else
{
m_pBuffer->pAudioPacketsTimestamps[m_pBuffer->nAudioWriteIndex] = CreateTimestampFromDevice(pHeader->nTimeStamp);
}
if (m_nLastPacketID % 10 == 0)
{
XnUInt64 nSysTime;
xnOSGetTimeStamp(&nSysTime);
xnDumpFileWriteString(m_pDevicePrivateData->BandwidthDump, "%llu,%s,%d,%d\n",
nSysTime, "Audio", -1, m_nBytesReceived);
m_nBytesReceived = 0;
}
// move write index forward
m_pBuffer->nAudioWriteIndex = (m_pBuffer->nAudioWriteIndex + 1) % m_pBuffer->nAudioBufferNumOfPackets;
// if write index got to read index (end of buffer), move read index forward (and loose a packet)
if (m_pBuffer->nAudioWriteIndex == m_pBuffer->nAudioReadIndex)
{
m_pBuffer->nAudioReadIndex = (m_pBuffer->nAudioReadIndex + 1) % m_pBuffer->nAudioBufferNumOfPackets;
}
xnOSLeaveCriticalSection(&m_pBuffer->hLock);
xnDumpFileWriteBuffer(m_AudioInDump, pData, pHeader->nBufSize);
if (m_pBuffer->pAudioCallback != NULL)
{
m_pBuffer->pAudioCallback(m_pBuffer->pAudioCallbackCookie);
}
}
void XnAudioProcessor::CalcDeleteChannel()
{
m_bDeleteChannel = (m_pHelper->GetFirmwareVersion() >= XN_SENSOR_FW_VER_5_2 && GetStream()->GetNumberOfChannels() == 1);
}
XnStatus XnAudioProcessor::DeleteChannelChangedCallback(const XnProperty* /*pSender*/, void* pCookie)
{
XnAudioProcessor* pThis = (XnAudioProcessor*)pCookie;
pThis->CalcDeleteChannel();
return XN_STATUS_OK;
}
#endif // Audio support
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