C++ ProcessData函数代码示例

void StreamTransformation::ProcessLastBlock(byte *outString, const byte *inString, size_t length)
{
	CRYPTOPP_ASSERT(MinLastBlockSize() == 0);	// this function should be overridden otherwise

	if (length == MandatoryBlockSize())
		ProcessData(outString, inString, length);
	else if (length != 0)
		throw NotImplemented(AlgorithmName() + ": this object doesn't support a special last block");
}

void StreamTransformation::ProcessLastBlock(byte *outString, const byte *inString, unsigned int length)
{
	assert(MinLastBlockSize() == 0);	// this function should be overriden otherwise

	if (length == MandatoryBlockSize())
		ProcessData(outString, inString, length);
	else if (length != 0)
		throw NotImplemented("StreamTransformation: this object does't support a special last block");
}

void IsuCalcLink::ReadyRead()
{
    QMutexLocker lock(&m);

    QTcpSocket::SocketState connState = Socket->state();
    if (connState == QAbstractSocket::ConnectedState)
    {
        ProcessData(Socket->readAll());
    }
}

bool Client::Receive()
{
	DSTACK(__FUNCTION_NAME);
	NetworkPacket pkt;
	if (!m_con.Receive(&pkt))
		return false;

	ProcessData(&pkt);
	return true;
}

NS_IMETHODIMP
nsDirIndexParser::OnStopRequest(nsIRequest *aRequest, nsISupports *aCtxt,
                                nsresult aStatusCode) {
  // Finish up
  if (mBuf.Length() > (PRUint32) mLineStart) {
    ProcessData(aRequest, aCtxt);
  }

  return NS_OK;
}

void CDataView::ProcessData(
	const std::shared_ptr<SourceSetting>& pSrcSetting,
	std::shared_ptr<IDataSetting>& pDataSetting)
{
	m_pSrcSetting = pSrcSetting;
	m_pDataSetting = pDataSetting;
	ProcessData();
	Invalidate();
	UpdateWindow();
}

void SerialComm::ReadData() {
    while (Serial.available()) {
        data_input.AppendToBuffer(Serial.read());

        if (!data_input.IsDone())
            continue;

        ProcessData();
    }
}

void UdpServer::handle_receive(const system::error_code& error, size_t bytes_transferred)
{
	if(!error && bytes_transferred > 0)
	{
		ProcessData(DataToPacket(bytes_transferred));
		socket_.async_send_to(asio::buffer(send_data, send_data.size()), remote_endpoint_,
								boost::bind(&UdpServer::handle_send, this, asio::placeholders::error, asio::placeholders::bytes_transferred));
		start_receive();
	}
}

bool FVoiceCaptureWindows::Tick(float DeltaTime)
{
	if (VoiceCaptureState != EVoiceCaptureState::UnInitialized &&
		VoiceCaptureState != EVoiceCaptureState::NotCapturing)
	{
#if 1
		uint32 NextEvent = (LastEventTriggered + 1) % (NUM_EVENTS - 1);
		if (WaitForSingleObject(Events[NextEvent], 0) == WAIT_OBJECT_0)
		{
			UE_LOG(LogVoice, VeryVerbose, TEXT("Event %d Signalled"), NextEvent);
			ProcessData();

			LastEventTriggered = NextEvent;
			ResetEvent(Events[NextEvent]);
		}
#else
		// All "non stop" events
		for (int32 EventIdx = 0; EventIdx < STOP_EVENT; EventIdx++)
		{
			if (WaitForSingleObject(Events[EventIdx], 0) == WAIT_OBJECT_0)
			{
				UE_LOG(LogVoice, VeryVerbose, TEXT("Event %d Signalled"), EventIdx);
				if (LastEventTriggered != EventIdx)
				{
					ProcessData();
				}

				LastEventTriggered = EventIdx;
				ResetEvent(Events[EventIdx]);
			}
		}
#endif

		if (Events[STOP_EVENT] != INVALID_HANDLE_VALUE && WaitForSingleObject(Events[STOP_EVENT], 0) == WAIT_OBJECT_0)
		{
			UE_LOG(LogVoice, Verbose, TEXT("Voice capture stopped"));
			ResetEvent(Events[STOP_EVENT]);
			VoiceCaptureState = EVoiceCaptureState::NotCapturing;
		}
	}

	return true;
}

/////////////////////////////////////////////////////////////////////////////
// Convert YUV411 to JPEG photo file
static int YUV2Jpg(PBYTE in_Y,PBYTE in_U,PBYTE in_V,int width,int height,int quality,int nStride,PBYTE pOut,DWORD *pnOutSize)
{
	PBYTE pYBuf,pUBuf,pVBuf;
	int nYLen = nStride  * height;
	int nUVLen = nStride  * height / 4;
	int	nDataLen;
	JPEGINFO JpgInfo;
	memset(&JpgInfo, 0, sizeof(JPEGINFO));
	JpgInfo.bytenew = 0;
	JpgInfo.bytepos = 7;
	pYBuf = (PBYTE)malloc(nYLen);
	memcpy(pYBuf,in_Y,nYLen);
	pUBuf = (PBYTE)malloc(nYLen);
	pVBuf = (PBYTE)malloc(nYLen);
	
	ProcessUV(pUBuf,in_U,width,height,nStride);
	ProcessUV(pVBuf,in_V,width,height,nStride);
	//	GetDataFromSource(pYBuf,pUBuf,pVBuf,in_Y,in_U,in_V,width);
	DivBuff(pYBuf,width,height,nStride,DCTSIZE,DCTSIZE);
	DivBuff(pUBuf,width,height,nStride,DCTSIZE,DCTSIZE);
	DivBuff(pVBuf,width,height,nStride,DCTSIZE,DCTSIZE);
	quality = QualityScaling(quality);
	SetQuantTable(std_Y_QT,JpgInfo.YQT, quality); // 设置Y量化表
	SetQuantTable(std_UV_QT,JpgInfo.UVQT,quality); // 设置UV量化表
	
	InitQTForAANDCT(&JpgInfo);            // 初始化AA&N需要的量化表
	JpgInfo.pVLITAB=JpgInfo.VLI_TAB + 2048;                             // 设置VLI_TAB的别名
	BuildVLITable(&JpgInfo);            // 计算VLI表   
	
	
	nDataLen = 0;
	// 写入各段
	nDataLen = WriteSOI(pOut,nDataLen); 
	nDataLen = WriteAPP0(pOut,nDataLen);
	nDataLen = WriteDQT(&JpgInfo,pOut,nDataLen);
	nDataLen = WriteSOF(pOut,nDataLen,width,height);
	nDataLen = WriteDHT(pOut,nDataLen);
	nDataLen = WriteSOS(pOut,nDataLen);
	
	// 计算Y/UV信号的交直分量的huffman表，这里使用标准的huffman表，并不是计算得出，缺点是文件略长，但是速度快
	BuildSTDHuffTab(STD_DC_Y_NRCODES,STD_DC_Y_VALUES,JpgInfo.STD_DC_Y_HT);
	BuildSTDHuffTab(STD_AC_Y_NRCODES,STD_AC_Y_VALUES,JpgInfo.STD_AC_Y_HT);
	BuildSTDHuffTab(STD_DC_UV_NRCODES,STD_DC_UV_VALUES,JpgInfo.STD_DC_UV_HT);
	BuildSTDHuffTab(STD_AC_UV_NRCODES,STD_AC_UV_VALUES,JpgInfo.STD_AC_UV_HT);
	
	// 处理单元数据
	nDataLen = ProcessData(&JpgInfo,pYBuf,pUBuf,pVBuf,width,height,pOut,nDataLen);  
	nDataLen = WriteEOI(pOut,nDataLen);
	
	free(pYBuf);
	free(pUBuf);
	free(pVBuf);
	*pnOutSize = nDataLen;
	return 0;
}

void ExplorationRun(void) {
	int i;

	if (pSegment.cnt != 0) {
		switch (DispDotMatrixWait("There are recorded data. Continue?")) {
			case SW_PRESS: return;
			default: break;
		}
	}

	// clear rSegment.
	clrSegStruct = (char *) &rSegment;
	for (i = 0; i < sizeof(rSegment); i++)
		*clrSegStruct++ = 0;

	 // clear pSegment before recording data.
	clrSegStruct = (char *) &pSegment;
	for (i = 0; i < sizeof(pSegment); i++)
		*clrSegStruct++ = 0;

	StartBeep();
	DispDotMatrix("GOGO");
	DelaymSec(1500);

	StartRun();
	bExplorationFlag = TRUE;

	// constant speed & acceleration
//	SetRobotSpeedX(EXPLORATION_SPEED);
//	SetRobotAccX(ACCELERATION);

	SetMoveCommand(XSPEED, 100000, 0, EXPLORATION_SPEED, 0, ACCELERATION);

	while (1) {
		PrintRunStatus();

		// prematurely terminate the run with switch press
		if (bSWFlag) {
			bExplorationFlag = FALSE;
			bSWFlag = FALSE;

			StopRun();
			break;
		}

		if (bStopFlag) {
			rSegment.totalDisp = curPos[XSPEED] / DIST_mm_oc(1);
			StopRun();

			ProcessData();
			DispExplorationStats();
			break;
		}
	}
}

///////////////////////////////////////////////////////////////////////////////
/// \brief process the buffer data and extract the commands
///
///	\return TRUE success. FALSE no error
///
///	\todo update the document return state value. need to implement
///////////////////////////////////////////////////////////////////////////////
int_fast8_t Terminal_Process(void)
{
	uint8_t SerialTempData = 0; // hold the new byte from the serial fifo
	int_fast8_t Result = FALSE;

	Result = SerialPort2.GetByte(&SerialTempData);

	if ( TRUE != Result )
	{
		return Result;
	}

	// echo the user command
	SerialPort2.SendByte(SerialTempData);

	if ('\r' == SerialTempData)
	{
		if (NumberOfByteReceived)
		{
			/// \todo call the process data
			if ( TRUE == ProcessData(&Buffer[0], NumberOfByteReceived, &ParameterList) )
			{
				if(  TRUE == RunCommand() )
				{
					Result =  TRUE;
				}

			}
		}
		else
		{
			Result =  FALSE;
		}
	}
	else if ( (SerialTempData >= '0' && SerialTempData <= '9') ||
			(SerialTempData >= 'A' && SerialTempData <= 'Z') ||
			(SerialTempData >= 'a' && SerialTempData <= 'z') || ' ' == SerialTempData || '.' == SerialTempData)

	{
		if ( NumberOfByteReceived < TERMINAL_BUFFER_SIZE )
		{
			Buffer[NumberOfByteReceived] = SerialTempData;
			NumberOfByteReceived++;
			return FALSE;
		}

	}

	// reset buffer by reseting the counter
	NumberOfByteReceived = 0;
	return Result;


}

void CNetwork::DataMayRead( )
{
    QByteArray byData;
    QUdpSocket* udpServer = qobject_cast< QUdpSocket* > ( sender( ) );

    while ( udpServer->hasPendingDatagrams( ) ) {
        byData.resize( udpServer->pendingDatagramSize( ) );
        udpServer->readDatagram( byData.data( ), byData.size( ) );
        ProcessData( byData );
    }
}

//ProcessOne() takes a track, transforms it to bunch of buffer-blocks,
//and executes ProcessData, on it...
// uses mMult and mOffset to normalize a track.  Needs to have them set before being called
bool EffectNormalize::ProcessOne(WaveTrack * track, wxString msg)
{
   bool rc = true;
   sampleCount s;

   //Transform the marker timepoints to samples
   sampleCount start = track->TimeToLongSamples(mCurT0);
   sampleCount end = track->TimeToLongSamples(mCurT1);
         
   //Get the length of the buffer (as double). len is
   //used simply to calculate a progress meter, so it is easier
   //to make it a double now than it is to do it later 
   double len = (double)(end - start);

   //Initiate a processing buffer.  This buffer will (most likely)
   //be shorter than the length of the track being processed.
   float *buffer = new float[track->GetMaxBlockSize()];

   //Go through the track one buffer at a time. s counts which
   //sample the current buffer starts at.
   s = start;
   while (s < end) {
      //Get a block of samples (smaller than the size of the buffer)
      sampleCount block = track->GetBestBlockSize(s);
      
      //Adjust the block size if it is the final block in the track
      if (s + block > end)
         block = end - s;
      
      //Get the samples from the track and put them in the buffer
      track->Get((samplePtr) buffer, floatSample, s, block);
      
      //Process the buffer.
      ProcessData(buffer, block);
   
      //Copy the newly-changed samples back onto the track.
      track->Set((samplePtr) buffer, floatSample, s, block);
         
      //Increment s one blockfull of samples
      s += block;
      
      //Update the Progress meter
		if (TrackProgress(mCurTrackNum, 
                        0.5+((double)(s - start) / len)/2.0, msg)) {
         rc = false; //lda .. break, not return, so that buffer is deleted
         break;
      }
   }
   //Clean up the buffer
   delete[] buffer;

   //Return true because the effect processing succeeded ... unless cancelled
   return rc;
}

OP_STATUS MIME_DecodeCache_Storage::Construct(URL_Rep *url_rep, Cache_Storage *src)
{
	RETURN_IF_ERROR(DecodedMIME_Storage::Construct(url_rep));
	source = src;
#ifdef MHTML_ARCHIVE_REDIRECT_SUPPORT
	BOOL prev_decode_only = GetDecodeOnly();
	SetDecodeOnly(TRUE);
	ProcessData(); // Process data early to make the redirect while we have a MessageHandler
	SetDecodeOnly(prev_decode_only);
#endif
	return OpStatus::OK;
}