Merge branch '4.6' of scm.dev.nokia.troll.no:qt/qt-s60-public into 4.6-integration

* '4.6' of scm.dev.nokia.troll.no:qt/qt-s60-public:
  Pass QAudioDeviceInfo when creating audio input/output in examples
  Symbian backend for QtMultimedia audio
  Modified configure to detect SDK support for Symbian audio backend
  Added implementation of epocRoot() function to configure
  Removed duplicated implementation of readRegistryKeys from configure
  Factored epocRoot implementation out of qmake
  Factored readRegistryKey implementation out of qmake
  QWebView scrolling doesn't clear old elements before painting again

1 files changed, 191 insertions, 0 deletions

diff --git a/src/plugins/audio/symbian/symbianaudiodeviceinfo.cpp b/src/plugins/audio/symbian/symbianaudiodeviceinfo.cpp
new file mode 100644
index 0000000..b8d59de
--- /dev/null
+++ b/src/plugins/audio/symbian/symbianaudiodeviceinfo.cpp
@@ -0,0 +1,191 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "symbianaudiodeviceinfo.h"
+#include "symbianaudioutils.h"
+
+QT_BEGIN_NAMESPACE
+
+SymbianAudioDeviceInfo::SymbianAudioDeviceInfo(QByteArray device,
+                                               QAudio::Mode mode)
+    :   m_deviceName(device)
+    ,   m_mode(mode)
+    ,   m_updated(false)
+{
+    QT_TRAP_THROWING(m_devsound.reset(CMMFDevSound::NewL()));
+}
+
+SymbianAudioDeviceInfo::~SymbianAudioDeviceInfo()
+{
+
+}
+
+QAudioFormat SymbianAudioDeviceInfo::preferredFormat() const
+{
+    QAudioFormat format;
+    switch (m_mode) {
+    case QAudio::AudioOutput:
+        format.setFrequency(44100);
+        format.setChannels(2);
+        format.setSampleSize(16);
+        format.setByteOrder(QAudioFormat::LittleEndian);
+        format.setSampleType(QAudioFormat::SignedInt);
+        format.setCodec(QLatin1String("audio/pcm"));
+        break;
+
+    case QAudio::AudioInput:
+        format.setFrequency(8000);
+        format.setChannels(1);
+        format.setSampleSize(16);
+        format.setByteOrder(QAudioFormat::LittleEndian);
+        format.setSampleType(QAudioFormat::SignedInt);
+        format.setCodec(QLatin1String("audio/pcm"));
+        break;
+
+    default:
+        Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid mode");
+    }
+
+    if (!isFormatSupported(format)) {
+        if (m_frequencies.size())
+            format.setFrequency(m_frequencies[0]);
+        if (m_channels.size())
+            format.setChannels(m_channels[0]);
+        if (m_sampleSizes.size())
+            format.setSampleSize(m_sampleSizes[0]);
+        if (m_byteOrders.size())
+            format.setByteOrder(m_byteOrders[0]);
+        if (m_sampleTypes.size())
+            format.setSampleType(m_sampleTypes[0]);
+    }
+
+    return format;
+}
+
+bool SymbianAudioDeviceInfo::isFormatSupported(
+                                 const QAudioFormat &format) const
+{
+    getSupportedFormats();
+    const bool supported =
+            m_codecs.contains(format.codec())
+        &&  m_frequencies.contains(format.frequency())
+        &&  m_channels.contains(format.channels())
+        &&  m_sampleSizes.contains(format.sampleSize())
+        &&  m_byteOrders.contains(format.byteOrder())
+        &&  m_sampleTypes.contains(format.sampleType());
+
+    return supported;
+}
+
+QAudioFormat SymbianAudioDeviceInfo::nearestFormat(const QAudioFormat &format) const
+{
+    if (isFormatSupported(format))
+        return format;
+    else
+        return preferredFormat();
+}
+
+QString SymbianAudioDeviceInfo::deviceName() const
+{
+    return m_deviceName;
+}
+
+QStringList SymbianAudioDeviceInfo::codecList()
+{
+    getSupportedFormats();
+    return m_codecs;
+}
+
+QList<int> SymbianAudioDeviceInfo::frequencyList()
+{
+    getSupportedFormats();
+    return m_frequencies;
+}
+
+QList<int> SymbianAudioDeviceInfo::channelsList()
+{
+    getSupportedFormats();
+    return m_channels;
+}
+
+QList<int> SymbianAudioDeviceInfo::sampleSizeList()
+{
+    getSupportedFormats();
+    return m_sampleSizes;
+}
+
+QList<QAudioFormat::Endian> SymbianAudioDeviceInfo::byteOrderList()
+{
+    getSupportedFormats();
+    return m_byteOrders;
+}
+
+QList<QAudioFormat::SampleType> SymbianAudioDeviceInfo::sampleTypeList()
+{
+    getSupportedFormats();
+    return m_sampleTypes;
+}
+
+QList<QByteArray> SymbianAudioDeviceInfo::deviceList(QAudio::Mode mode)
+{
+    Q_UNUSED(mode)
+    QList<QByteArray> devices;
+    devices.append("default");
+    return devices;
+}
+
+void SymbianAudioDeviceInfo::getSupportedFormats() const
+{
+    if (!m_updated) {
+        QScopedPointer<SymbianAudio::DevSoundCapabilities> caps(
+            new SymbianAudio::DevSoundCapabilities(*m_devsound, m_mode));
+
+        SymbianAudio::Utils::capabilitiesNativeToQt(*caps,
+            m_frequencies, m_channels, m_sampleSizes,
+            m_byteOrders, m_sampleTypes);
+
+        m_codecs.append(QLatin1String("audio/pcm"));
+
+        m_updated = true;
+    }
+}
+
+QT_END_NAMESPACE