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C++ Ports类代码示例

本文整理汇总了C++中Ports类的典型用法代码示例。如果您正苦于以下问题：C++ Ports类的具体用法？C++ Ports怎么用？C++ Ports使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了Ports类的15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: process

bool Flux::process(Ports<InputBuffer*>& inp, Ports<OutputBuffer*>& outp)
{
	assert(inp.size()==1);
	InputBuffer* in = inp[0].data;
	assert(outp.size()==1);
	OutputBuffer* out = outp[0].data;

	if ((out->tokenno()==0) && (in->tokenno()!=-1))
		in->prependZeros(1);
	if (!in->hasTokens(2))
		return false;

	const int N = in->info().size;
    double lastNorm = 0.0;
    double nextNorm = Map<VectorXd>(in->token(0),N).norm();
    while (in->hasTokens(2))
    {
    	Map<VectorXd> last(in->token(0),N);
        lastNorm = nextNorm;
        Map<VectorXd> next(in->token(1),N);
        nextNorm = next.norm();
        double* output = out->writeToken();
        if (lastNorm*nextNorm==0)
        	*output = 0.0;
        else if (m_onlyIncrease)
        	*output = (next-last).unaryExpr(filterNegativeOp<double>()).squaredNorm() / (lastNorm*nextNorm);
		else
			*output = (next - last).squaredNorm() / (lastNorm * nextNorm);

        in->consumeToken();
    }
    return true;
}
开发者ID:auphonic，项目名称:Yaafe，代码行数:33，代码来源:Flux.cpp

示例2: process

bool Variation::process(Ports<InputBuffer*>& inp, Ports<OutputBuffer*>& outp)
{
	assert(inp.size()==1);
	InputBuffer* in = inp[0].data;
	if (!in->hasTokens(2)) return false;
	assert(outp.size()==1);
	OutputBuffer* out = outp[0].data;

	if ((out->tokenno()==0) && (in->tokenno()!=-1))
		in->prependZeros(1);

	const int N = in->info().size;
    double lastNorm = 0.0;
    double nextNorm = Map<VectorXd>(in->token(0),N).norm();
    while (in->hasTokens(2))
    {
    	Map<VectorXd> last(in->token(0),N);
        lastNorm = nextNorm;
        Map<VectorXd> next(in->token(1),N);
        nextNorm = next.norm();
        if (lastNorm*nextNorm !=0)
        	lastNorm = 1 - last.dot(next) / (lastNorm * nextNorm);
        else
        	lastNorm = 0.0;
        out->write(&lastNorm,1);
        in->consumeToken();
    }
    return true;
}
开发者ID:aasheeshverma，项目名称:hack-the-talk-exotel-master，代码行数:29，代码来源:Variation.cpp

示例3: process

  bool ComplexDomainFlux::process(Ports<InputBuffer*>& inp, Ports<OutputBuffer*>& outp)
  {
    assert(inp.size()==1);
    InputBuffer* in = inp[0].data;
    assert(outp.size()==1);
    OutputBuffer* out = outp[0].data;

    if ((out->tokenno()==0) && (in->tokenno()!=-2))
      in->prependZeros(2);
    if (!in->hasTokens(3)) return false;

    const int N = in->info().size/2;
    ArrayXcd inPredPredRotator(N);
    ArrayXcd inPredRotator(N);
    rotatorOp<double> op;
    {
      Map<ArrayXcd> inPredPredData((complex<double>*) in->token(0),N);
      inPredPredRotator = inPredPredData.unaryExpr(op);
    }
    while (in->hasTokens(3))
    {
      Map<ArrayXcd> inPredData((complex<double>*) in->token(1),N);
      Map<ArrayXcd> inData((complex<double>*) in->token(2), N);
      inPredRotator = inPredData.unaryExpr(op);
      double* output = out->writeToken();
      *output++ = (inData - (inPredData * (inPredRotator * inPredPredRotator.conjugate()))).abs().sum();
      in->consumeToken();
      inPredPredRotator.swap(inPredRotator);
    }

    return true;
  }
开发者ID:Crococode，项目名称:Yaafe，代码行数:32，代码来源:ComplexDomainFlux.cpp

示例4: process

bool SpectralCrestFactorPerBand::process(Ports<InputBuffer*>& inp, Ports<OutputBuffer*>& outp)
{
	assert(inp.size()==1);
	InputBuffer* in = inp[0].data;
	if (in->empty()) return false;
	assert(outp.size()==1);
	OutputBuffer* out = outp[0].data;

	int nbBands = m_band.size();
    double* tmp = new double[in->info().size];
    while (!in->empty())
    {
    	double* inData = in->readToken();
    	double* output = out->writeToken();
    	for (int k=0;k<nbBands;++k)
    	{
    		bandinfo& bi = m_band[k];
    		double* data = &inData[bi.start];
    		int datalen = bi.length();
    		if (bi.group>1) // grpsize > 1
    		{
    			data = tmp;
    			datalen /= bi.group;
    			double* ptr = &inData[bi.start];
    			for (int d=0;d<datalen;d++) {
    				double s = 0;
    				for (int g=0;g<bi.group;g++)
    					s += *ptr++;
    				data[d] = s;
    			}
    		}
    		double am = 0;
    		double maxdata = data[0];
    		for (int i=0;i<datalen;i++)
    		{
    			am += data[i];
    			if (data[i]>maxdata) {
    				maxdata = data[i];
    			}
    		}
    		if (am!=0) {
    			output[k] = maxdata * datalen / am;
    			continue;
    		}
    		output[k] = maxdata / EPS;
    	}

        in->consumeToken();
    }
    delete [] tmp;

    return true;
}
开发者ID:auphonic，项目名称:Yaafe，代码行数:53，代码来源:SpectralCrestFactorPerBand.cpp

示例5: log

bool Logger::unreportComponent( const std::string& component ) {
    TaskContext* comp = this->getPeer(component);
    if (!comp)
    {
        log(Error) << "no such component " << component << endlog();
        return false;
    }

    Ports ports   = comp->ports()->getPorts();
    for (Ports::iterator it = ports.begin(); it != ports.end() ; ++it) {
        this->unreportPort(component, (*it)->getName());
    }
    return true;
}
开发者ID:goldhoorn，项目名称:tools-logger，代码行数:14，代码来源:Logger.cpp

示例6: process

  bool AudioFileReader::process(Ports<InputBuffer*>& inp, Ports<OutputBuffer*>& outp)
  {
    assert(inp.size()==0);
    assert(outp.size()==1);
    OutputBuffer* out = outp[0].data;

    int nbRead = readFramesIntoBuffer();
    if (nbRead==0)
      return false;
    if (m_rescale)
      for (int i=0;i<nbRead;i++)
        m_readBuffer[i] = (m_readBuffer[i] - m_mean) * m_factor;
    out->write(m_readBuffer,nbRead);
    return true;
  }
开发者ID:Crococode，项目名称:Yaafe，代码行数:15，代码来源:AudioFileReader.cpp

示例7: init

bool FrameTokenizer::init(const ParameterMap& params, const Ports<StreamInfo>& inp)
{
	assert(inp.size()==1);
	const StreamInfo& in = inp[0].data;

    if (in.size > 1)
    {
        cerr << "ERROR: input of FrameTokenizer should be of size 1" << endl;
        return false;
    }
    m_blockSize = getIntParam("blockSize", params);
    if (m_blockSize<=0) {
    	cerr << "ERROR: invalid blockSize parameter !" << endl;
    }
    m_stepSize = getIntParam("stepSize", params);
    if (m_stepSize<=0) {
    	cerr << "ERROR: invalid stepSize parameter !" << endl;
    	return false;
    }

    outStreamInfo().add(StreamInfo());
	StreamInfo& outInfo = outStreamInfo()[0].data;
	outInfo.sampleRate = in.sampleRate;
	outInfo.frameLength = m_blockSize * in.frameLength;
	outInfo.sampleStep = m_stepSize * in.sampleStep;
	outInfo.size = m_blockSize;

    return true;
}
开发者ID:aasheeshverma，项目名称:hack-the-talk-exotel-master，代码行数:29，代码来源:FrameTokenizer.cpp

示例8: flush

void FrameTokenizer::flush(Ports<InputBuffer*>& inp, Ports<OutputBuffer*>& outp)
{
	assert(inp.size()==1);
	InputBuffer* in = inp[0].data;
	in->appendZeros((m_blockSize-1)/2);
	process(inp,outp);
}
开发者ID:aasheeshverma，项目名称:hack-the-talk-exotel-master，代码行数:7，代码来源:FrameTokenizer.cpp

示例9: init

bool Variation::init(const ParameterMap& params, const Ports<StreamInfo>& inp)
{
	assert(inp.size()==1);
	const StreamInfo& in = inp[0].data;
	outStreamInfo().add(StreamInfo(in,1));
    return true;
}
开发者ID:aasheeshverma，项目名称:hack-the-talk-exotel-master，代码行数:7，代码来源:Variation.cpp

示例10: assert

bool AC2LPC::process(Ports<InputBuffer*>& inp, Ports<OutputBuffer*>& outp)
{
	assert(inp.size()==1);
	InputBuffer* in = inp[0].data;
	assert(outp.size()==1);
	OutputBuffer* out = outp[0].data;

    assert(out->info().size==m_nbCoeffs);
    assert(in->info().size>m_nbCoeffs);
    while (!in->empty())
    {
        ac2lpc(in->readToken(),out->writeToken(),m_nbCoeffs);
        in->consumeToken();
    }
    return true;
}
开发者ID:aasheeshverma，项目名称:hack-the-talk-exotel-master，代码行数:16，代码来源:AC2LPC.cpp

示例11: init

bool CSVWriter::init(const ParameterMap& params, const Ports<StreamInfo>& inp)
{
	assert(inp.size()==1);
	const StreamInfo& in = inp[0].data;

	string outputFile = getStringParam("File", params);
	m_precision = getIntParam("Precision",params);
	if (m_precision > (BUFSIZE-10)) {
		cerr << "WARNING: precision is too large ! use precision " << BUFSIZE - 10 << endl;
		m_precision = BUFSIZE - 10;
	}

	int res = preparedirs(outputFile.c_str());
	if (res!=0)
		return false;

	m_fout.open(outputFile.c_str(), ios_base::trunc);
	if (!m_fout.is_open() || m_fout.bad())
		return false;

	if (getStringParam("Metadata",params)=="True") {
		// write metadata at the beginnig of the file
		string paramStr = getStringParam("Attrs",params);
		map<string,string> params = decodeAttributeStr(paramStr);
		ostringstream oss;
		for (map<string,string>::const_iterator it=params.begin();it!=params.end();it++)
			oss << "% " << it->first << "=" << it->second << endl;
		m_fout.write(oss.str().c_str(),oss.str().size());
	}

	return true;
}
开发者ID:aasheeshverma，项目名称:hack-the-talk-exotel-master，代码行数:32，代码来源:CSVWriter.cpp

示例12: init

  bool MelFilterBank::init(const ParameterMap& params, const Ports<StreamInfo>& inp)
  {
    assert(inp.size()==1);
    const StreamInfo& in = inp[0].data;

    // build mel filter bank
    m_size = in.size;
    int nbMelFilters = getIntParam("MelNbFilters",params);
    double sampleRate = in.sampleRate;
    double freqMin = getDoubleParam("MelMinFreq",params);
    double freqMax = getDoubleParam("MelMaxFreq",params);
    // set freqMax to Nyquist frequency if greater than nyquist frequency
    freqMax = min(freqMax, sampleRate/2.0);
    double melFreqMin = 1127 * log(1 + freqMin / 700);
    double melFreqMax = 1127 * log(1 + freqMax / 700);

    VectorXd melPeak(nbMelFilters+2);
    VectorXd freqs(nbMelFilters+2);

    melPeak = VectorXd::LinSpaced(nbMelFilters+2,melFreqMin,melFreqMax);
    freqs = ((melPeak / 1127).array().exp() - 1.0) * 700.0;
    VectorXd fftFreqs(m_size);
    fftFreqs = VectorXd::LinSpaced(m_size,0,m_size-1) * sampleRate / ((m_size-1)*2);
    for (int b=1;b<nbMelFilters+1;b++)
    {
      double norm = 2.0 / (freqs(b+1)-freqs(b-1));
      VectorXd fullfilt(m_size);
      //		fullfilt.setZero(m_size);
      //		firstIndex i;
      //		fullfilt += where((fftFreqs(i)>freqs(b-1)) && (fftFreqs(i)<=freqs(b)),norm*(fftFreqs(i)-freqs(b-1))/(freqs(b)-freqs(b-1)),0.0);
      //		fullfilt += where((fftFreqs(i)>freqs(b)) && (fftFreqs(i)<freqs(b+1)),norm*(freqs(b+1)-fftFreqs(i))/(freqs(b+1)-freqs(b)),0.0);
      double ffmin = freqs(b-1);
      double ffmiddle = freqs(b);
      double ffmax = freqs(b+1);
      for (int i=0;i<m_size;i++) {
        if ((fftFreqs(i)<ffmin) || (fftFreqs(i)>ffmax)) {
          fullfilt(i) = 0;
          continue;
        }
        if (fftFreqs(i)<ffmiddle)
          fullfilt(i) = norm*(fftFreqs(i)-ffmin)/(ffmiddle-ffmin);
        else
          fullfilt(i) = norm*(ffmax-fftFreqs(i))/(ffmax-ffmiddle);
      }

      int fStart=0;
      while (fullfilt(fStart)==0.0) fStart++;
      int fEnd=fStart+1;
      while ((fEnd<m_size) && (fullfilt(fEnd)!=0.0)) fEnd++;
      m_filterStart.push_back(fStart);
      m_filters.push_back(RowVectorXd());
      m_filters.back() = fullfilt.segment(fStart,fEnd-fStart);
    }

    outStreamInfo().add(StreamInfo(in, m_filters.size()));
    return true;
  }
开发者ID:Crococode，项目名称:Yaafe，代码行数:57，代码来源:MelFilterBank.cpp

示例13: getIntParam

bool AC2LPC::init(const ParameterMap& params, const Ports<StreamInfo>& inp)
{
	assert(inp.size()==1);
	const StreamInfo& in = inp[0].data;

	m_nbCoeffs = getIntParam("LPCNbCoeffs",params);
	outStreamInfo().add(StreamInfo(in,m_nbCoeffs));
    return true;
}
开发者ID:aasheeshverma，项目名称:hack-the-talk-exotel-master，代码行数:9，代码来源:AC2LPC.cpp

示例14: init

bool Flux::init(const ParameterMap& params, const Ports<StreamInfo>& inp)
{
	assert(inp.size()==1);
	const StreamInfo& in = inp[0].data;

	m_onlyIncrease = (getStringParam("FluxSupport",params)=="Increase");
    outStreamInfo().add(StreamInfo(in,1));
    return true;
}
开发者ID:auphonic，项目名称:Yaafe，代码行数:9，代码来源:Flux.cpp

示例15: process

bool Difference::process(Ports<InputBuffer*>& inp, Ports<OutputBuffer*>& outp)
{
	assert(inp.size()==1);
	InputBuffer* in = inp[0].data;
	if (in->empty()) return false;
	assert(outp.size()==1);
	OutputBuffer* out = outp[0].data;

	const int N = in->info().size - 1;
	while (!in->empty())
	{
		double* inData = in->readToken();
		double* outData = out->writeToken();
		for (int i=0;i<N;i++)
			outData[i] = inData[i+1] - inData[i];
		in->consumeToken();
	}
    return true;
}
开发者ID:aasheeshverma，项目名称:hack-the-talk-exotel-master，代码行数:19，代码来源:Difference.cpp


注：本文中的Ports类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。