Remove audiolevels example

QtMultimedia module has changed significantly
between Qt 5 and Qt 6.2, so it is best to just remove
this example and create a new one later on, if necessary.

Fixes: QTBUG-94182
Change-Id: I21c6a342d294bec70b15fc702dd6d3749f3c0884
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

1 files changed, 0 insertions, 116 deletions

diff --git a/examples/datavisualization/audiolevels/audiolevels.cpp b/examples/datavisualization/audiolevels/audiolevels.cpp
deleted file mode 100644
index 39ef44c7..00000000
--- a/examples/datavisualization/audiolevels/audiolevels.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Data Visualization module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:GPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 or (at your option) any later version
-** approved by the KDE Free Qt Foundation. The licenses are as published by
-** the Free Software Foundation and appearing in the file LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "audiolevelsiodevice.h"
-#include "audiolevels.h"
-
-#include <QtDataVisualization/qbardataproxy.h>
-#include <QtDataVisualization/qvalue3daxis.h>
-#include <QtDataVisualization/q3dscene.h>
-#include <QtDataVisualization/q3dcamera.h>
-#include <QtDataVisualization/qbar3dseries.h>
-#include <QtDataVisualization/q3dtheme.h>
-#include <QtDataVisualization/qcustom3dlabel.h>
-
-#include <QtMultimedia/QAudioDeviceInfo>
-#include <QtMultimedia/QAudioInput>
-
-AudioLevels::AudioLevels(Q3DBars *graph, QObject *parent)
-    : QObject(parent),
-      m_graph(graph),
-      m_device(0),
-      m_audioInput(0)
-{
-    // Set up the graph
-    m_graph->setBarThickness(0.5f);
-    m_graph->setBarSpacing(QSizeF(0.0, 1.0));
-    m_graph->valueAxis()->setRange(-100.0f, 100.0f);
-    m_graph->valueAxis()->setSegmentCount(20);
-    m_graph->valueAxis()->setLabelFormat(QStringLiteral("%d%%"));
-    m_graph->setShadowQuality(QAbstract3DGraph::ShadowQualityNone);
-    m_graph->setSelectionMode(QAbstract3DGraph::SelectionNone);
-    m_graph->scene()->activeCamera()->setCameraPosition(-25.0f, 10.0f, 190.0f);
-    m_graph->activeTheme()->setType(Q3DTheme::ThemeIsabelle);
-    m_graph->activeTheme()->setGridEnabled(true);
-    m_graph->activeTheme()->setBackgroundEnabled(false);
-    QFont font = m_graph->activeTheme()->font();
-    font.setPointSize(10);
-    m_graph->activeTheme()->setFont(font);
-    QBar3DSeries *series = new QBar3DSeries;
-    series->setMesh(QAbstract3DSeries::MeshBar);
-    m_graph->addSeries(series);
-
-    //! [0]
-    QAudioDeviceInfo inputDevice = QAudioDeviceInfo::defaultInputDevice();
-
-    if (inputDevice.supportedSampleRates().size() > 0
-            && inputDevice.supportedChannelCounts().size() > 0
-            && inputDevice.supportedSampleSizes().size() > 0
-            && inputDevice.supportedCodecs().size() > 0) {
-        QAudioFormat formatAudio;
-        formatAudio.setSampleRate(inputDevice.supportedSampleRates().at(0));
-        formatAudio.setChannelCount(inputDevice.supportedChannelCounts().at(0));
-        formatAudio.setSampleSize(inputDevice.supportedSampleSizes().at(0));
-        formatAudio.setCodec(inputDevice.supportedCodecs().at(0));
-        formatAudio.setByteOrder(QAudioFormat::LittleEndian);
-        formatAudio.setSampleType(QAudioFormat::UnSignedInt);
-
-        m_audioInput = new QAudioInput(inputDevice, formatAudio, this);
-#ifdef Q_OS_MAC
-        // OS X seems to wait for entire buffer to fill before calling writeData, so use smaller buffer
-        m_audioInput->setBufferSize(256);
-#else
-        m_audioInput->setBufferSize(1024);
-#endif
-
-        m_device = new AudioLevelsIODevice(m_graph->seriesList().at(0)->dataProxy(), this);
-        m_device->open(QIODevice::WriteOnly);
-
-        m_audioInput->start(m_device);
-    } else {
-        // No graph content can be shown, so add a custom warning label
-        QCustom3DLabel *titleLabel = new QCustom3DLabel("No valid audio input device found",
-                                                        QFont(),
-                                                        QVector3D(0.2f, 0.2f, 0.0f),
-                                                        QVector3D(1.0f, 1.0f, 0.0f),
-                                                        QQuaternion());
-        titleLabel->setPositionAbsolute(true);
-        titleLabel->setFacingCamera(true);
-        m_graph->addCustomItem(titleLabel);
-    }
-    //! [0]
-}
-
-AudioLevels::~AudioLevels()
-{
-    if (m_audioInput)
-        m_audioInput->stop();
-    if (m_device)
-        m_device->close();
-}