Directory structure reorganized

Unnecessary subdirectory levels deleted from examples and src

Change-Id: I88892b4fc92784e706be2264eeb7d6208250a50f
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Reviewed-by: Mika Salmela <mika.salmela@digia.com>

1 files changed, 0 insertions, 231 deletions

diff --git a/examples/datavis3d/spectrum/spectrumapp/spectrumanalyser.cpp b/examples/datavis3d/spectrum/spectrumapp/spectrumanalyser.cpp
deleted file mode 100644
index 518bb6da..00000000
--- a/examples/datavis3d/spectrum/spectrumapp/spectrumanalyser.cpp
+++ /dev/null
@@ -1,231 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
-**     of its contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "spectrumanalyser.h"
-#include "utils.h"
-#include "fftreal_wrapper.h"
-
-#include <qmath.h>
-#include <qmetatype.h>
-#include <QAudioFormat>
-#include <QThread>
-
-SpectrumAnalyserThread::SpectrumAnalyserThread(QObject *parent)
-    : QObject(parent),
-      m_fft(new FFTRealWrapper),
-      m_numSamples(SpectrumLengthSamples),
-      m_windowFunction(DefaultWindowFunction),
-      m_window(SpectrumLengthSamples, 0.0),
-      m_input(SpectrumLengthSamples, 0.0),
-      m_output(SpectrumLengthSamples, 0.0),
-      m_spectrum(SpectrumLengthSamples)
-    #ifdef SPECTRUM_ANALYSER_SEPARATE_THREAD
-    , m_thread(new QThread(this))
-    #endif
-{
-#ifdef SPECTRUM_ANALYSER_SEPARATE_THREAD
-    // moveToThread() cannot be called on a QObject with a parent
-    setParent(0);
-    moveToThread(m_thread);
-    m_thread->start();
-#endif
-    calculateWindow();
-}
-
-SpectrumAnalyserThread::~SpectrumAnalyserThread()
-{
-    delete m_fft;
-}
-
-void SpectrumAnalyserThread::setWindowFunction(WindowFunction type)
-{
-    m_windowFunction = type;
-    calculateWindow();
-}
-
-void SpectrumAnalyserThread::calculateWindow()
-{
-    for (int i=0; i<m_numSamples; ++i) {
-        DataType x = 0.0;
-
-        switch (m_windowFunction) {
-        case NoWindow:
-            x = 1.0;
-            break;
-        case HannWindow:
-            x = 0.5 * (1 - qCos((2 * M_PI * i) / (m_numSamples - 1)));
-            break;
-        default:
-            Q_ASSERT(false);
-        }
-
-        m_window[i] = x;
-    }
-}
-
-void SpectrumAnalyserThread::calculateSpectrum(const QByteArray &buffer,
-                                               int inputFrequency,
-                                               int bytesPerSample)
-{
-    Q_ASSERT(buffer.size() == m_numSamples * bytesPerSample);
-
-    // Initialize data array
-    const char *ptr = buffer.constData();
-    for (int i=0; i<m_numSamples; ++i) {
-        const qint16 pcmSample = *reinterpret_cast<const qint16*>(ptr);
-        // Scale down to range [-1.0, 1.0]
-        const DataType realSample = pcmToReal(pcmSample);
-        const DataType windowedSample = realSample * m_window[i];
-        m_input[i] = windowedSample;
-        ptr += bytesPerSample;
-    }
-
-    // Calculate the FFT
-    m_fft->calculateFFT(m_output.data(), m_input.data());
-
-    // Analyze output to obtain amplitude and phase for each frequency
-    for (int i=2; i<=m_numSamples/2; ++i) {
-        // Calculate frequency of this complex sample
-        m_spectrum[i].frequency = qreal(i * inputFrequency) / (m_numSamples);
-
-        const qreal real = m_output[i];
-        qreal imag = 0.0;
-        if (i>0 && i<m_numSamples/2)
-            imag = m_output[m_numSamples/2 + i];
-
-        const qreal magnitude = sqrt(real*real + imag*imag);
-        qreal amplitude = SpectrumAnalyserMultiplier * log(magnitude);
-
-        // Bound amplitude to [0.0, 1.0]
-        m_spectrum[i].clipped = (amplitude > 1.0);
-        amplitude = qMax(qreal(0.0), amplitude);
-        amplitude = qMin(qreal(1.0), amplitude);
-        m_spectrum[i].amplitude = amplitude;
-    }
-
-    emit calculationComplete(m_spectrum);
-}
-
-
-//=============================================================================
-// SpectrumAnalyser
-//=============================================================================
-
-SpectrumAnalyser::SpectrumAnalyser(QObject *parent)
-    : QObject(parent),
-      m_thread(new SpectrumAnalyserThread(this)),
-      m_state(Idle)
-{
-    CHECKED_CONNECT(m_thread, SIGNAL(calculationComplete(FrequencySpectrum)),
-                    this, SLOT(calculationComplete(FrequencySpectrum)));
-}
-
-SpectrumAnalyser::~SpectrumAnalyser()
-{
-
-}
-
-//-----------------------------------------------------------------------------
-// Public functions
-//-----------------------------------------------------------------------------
-
-void SpectrumAnalyser::setWindowFunction(WindowFunction type)
-{
-    const bool b = QMetaObject::invokeMethod(m_thread, "setWindowFunction",
-                                             Qt::AutoConnection,
-                                             Q_ARG(WindowFunction, type));
-    Q_ASSERT(b);
-    Q_UNUSED(b) // suppress warnings in release builds
-}
-
-void SpectrumAnalyser::calculate(const QByteArray &buffer,
-                                 const QAudioFormat &format)
-{
-    // QThread::currentThread is marked 'for internal use only', but
-    // we're only using it for debug output here, so it's probably OK :)
-    SPECTRUMANALYSER_DEBUG << "SpectrumAnalyser::calculate"
-                           << QThread::currentThread()
-                           << "state" << m_state;
-
-    if (isReady()) {
-        Q_ASSERT(isPCMS16LE(format));
-
-        const int bytesPerSample = format.sampleSize() * format.channelCount() / 8;
-
-        m_state = Busy;
-
-        // Invoke SpectrumAnalyserThread::calculateSpectrum using QMetaObject.  If
-        // m_thread is in a different thread from the current thread, the
-        // calculation will be done in the child thread.
-        // Once the calculation is finished, a calculationChanged signal will be
-        // emitted by m_thread.
-        const bool b = QMetaObject::invokeMethod(m_thread, "calculateSpectrum",
-                                                 Qt::AutoConnection,
-                                                 Q_ARG(QByteArray, buffer),
-                                                 Q_ARG(int, format.sampleRate()),
-                                                 Q_ARG(int, bytesPerSample));
-        Q_ASSERT(b);
-        Q_UNUSED(b) // suppress warnings in release builds
-    }
-}
-
-bool SpectrumAnalyser::isReady() const
-{
-    return (Idle == m_state);
-}
-
-void SpectrumAnalyser::cancelCalculation()
-{
-    if (Busy == m_state)
-        m_state = Cancelled;
-}
-
-
-//-----------------------------------------------------------------------------
-// Private slots
-//-----------------------------------------------------------------------------
-
-void SpectrumAnalyser::calculationComplete(const FrequencySpectrum &spectrum)
-{
-    Q_ASSERT(Idle != m_state);
-    if (Busy == m_state)
-        emit spectrumChanged(spectrum);
-    m_state = Idle;
-}