Someone

Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls  ms/call  ms/call  name    
 31.40      0.27     0.27     4734     0.06     0.06  EngineFilterIIR::process(float const*, float const*, int)
 24.42      0.48     0.21      789     0.27     0.75  SoundManager::requestBuffer(QList<AudioSource>, unsigned long)
 12.79      0.59     0.11        2    55.00    55.00  timecoder_build_lookup
  5.81      0.64     0.05      160     0.31     0.31  VisualBufferSignal::update(int, int, long, int)
  3.49      0.67     0.03    25914     0.00     0.00  soundtouch::TDStretch::calcCrossCorrStereo(float const*, float const*) const
  3.49      0.70     0.03     2367     0.01     0.01  EngineVuMeter::process(float const*, float const*, int)
  2.33      0.72     0.02     1578     0.01     0.18  EngineFilterBlock::process(float const*, float const*, int)
  2.33      0.74     0.02      313     0.06     0.06  ControlObject::getControl(ConfigKey)
  2.33      0.76     0.02      159     0.13     0.25  ReaderExtractWave::getchunk(float)
  2.33      0.78     0.02      140     0.14     0.14  SoundSourceMp3::read(unsigned long, short const*)
  1.16      0.79     0.01    49391     0.00     0.00  ControlObject::get()
  1.16      0.80     0.01     3218     0.00     0.00  VisualBufferMarks::draw(float*, int, float)
  1.16      0.81     0.01     3156     0.00     0.00  EngineClipping::process(float const*, float const*, int)
  1.16      0.82     0.01     1578     0.01     0.03  EngineBuffer::process(float const*, float const*, int)
  1.16      0.83     0.01       64     0.16     0.16  XmlParse::addHexElement(QDomDocument&, QDomElement&, QString, Q3MemArray<char>*)
  1.16      0.84     0.01        2     5.00     5.00  ReaderExtractWave::ReaderExtractWave(Reader*, EngineBuffer*)
  1.16      0.85     0.01        1    10.00    10.00  ReaderExtractWave::seek(long)
  1.16      0.86     0.01                             SoundDevicePortAudio::callbackProcess(unsigned long, float*, short*, int)
  0.00      0.86     0.00    20094     0.00     0.00  soundtouch::FIFOProcessor::numSamples() const
  0.00      0.86     0.00    19591     0.00     0.00  soundtouch::FIFOSampleBuffer::numSamples() const
  0.00      0.86     0.00    18912     0.00     0.00  soundtouch::FIFOSampleBuffer::isEmpty() const
  0.00      0.86     0.00    16671     0.00     0.00  soundtouch::FIFOSampleBuffer::ensureCapacity(unsigned int)
  0.00      0.86     0.00    16587     0.00     0.00  soundtouch::FIFOSampleBuffer::putSamples(float const*, unsigned int)
  0.00      0.86     0.00    15098     0.00     0.00  even(long)
  0.00      0.86     0.00    11675     0.00     0.00  ReaderExtractWave::getRate()
  0.00      0.86     0.00    11672     0.00     0.00  SoundSource::getSrate()
  0.00      0.86     0.00    11671     0.00     0.00  SoundSourceProxy::getSrate()