1 files changed, 235 insertions, 0 deletions
diff --git a/src/plugins/symbian/mmf/audiosource/s60audioencodercontrol.cpp b/src/plugins/symbian/mmf/audiosource/s60audioencodercontrol.cpp
new file mode 100644
index 000000000..b3d02a94a
--- /dev/null
+++ b/src/plugins/symbian/mmf/audiosource/s60audioencodercontrol.cpp
@@ -0,0 +1,235 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "DebugMacros.h"
+
+#include "s60audioencodercontrol.h"
+#include "s60audiocapturesession.h"
+
+#include "qaudioformat.h"
+
+#include <QtCore/qdebug.h>
+
+S60AudioEncoderControl::S60AudioEncoderControl(QObject *session, QObject *parent)
+    :QAudioEncoderControl(parent), m_quality(QtMultimediaKit::NormalQuality)
+{
+    DP0("S60AudioEncoderControl::S60AudioEncoderControl +++");
+
+    m_session = qobject_cast<S60AudioCaptureSession*>(session);
+    QAudioFormat fmt = m_session->format();
+    // medium, 22050Hz mono S16
+    fmt.setSampleType(QAudioFormat::SignedInt);
+    if (fmt.codec().compare("PCM", Qt::CaseInsensitive) == 0) {
+        fmt.setSampleSize(16);
+        fmt.setFrequency(22050);
+    }
+    fmt.setChannels(1);
+    m_session->setFormat(fmt);
+    m_settings.setChannelCount(fmt.channels());
+    m_settings.setCodec(fmt.codec());
+    m_settings.setSampleRate(fmt.sampleRate());
+
+    DP0("S60AudioEncoderControl::S60AudioEncoderControl ---");
+}
+
+S60AudioEncoderControl::~S60AudioEncoderControl()
+{
+    DP0("S60AudioEncoderControl::~S60AudioEncoderControl +++");
+
+    DP0("S60AudioEncoderControl::~S60AudioEncoderControl ---");
+}
+
+QStringList S60AudioEncoderControl::supportedAudioCodecs() const
+{
+    DP0("S60AudioEncoderControl::supportedAudioCodecs");
+
+    return m_session->supportedAudioCodecs();
+}
+
+QString S60AudioEncoderControl::codecDescription(const QString &codecName) const
+{
+    DP0("S60AudioEncoderControl::codecDescription");
+
+    return m_session->codecDescription(codecName);
+}
+
+QtMultimediaKit::EncodingQuality S60AudioEncoderControl::quality() const
+{
+    DP0("S60AudioEncoderControl::quality");
+
+    return m_quality;
+}
+
+void S60AudioEncoderControl::setQuality(QtMultimediaKit::EncodingQuality value, QAudioFormat &fmt)
+{
+    DP0("S60AudioEncoderControl::setQuality +++");
+
+    switch (value) {
+    case QtMultimediaKit::VeryLowQuality:
+    case QtMultimediaKit::LowQuality:
+        // low, 8000Hz mono U8
+        fmt.setSampleType(QAudioFormat::UnSignedInt);
+        fmt.setSampleSize(8);
+        fmt.setFrequency(8000);
+        fmt.setChannels(1);
+        break;
+    case QtMultimediaKit::NormalQuality:
+        // medium, 22050Hz mono S16
+        fmt.setSampleType(QAudioFormat::SignedInt);
+        fmt.setSampleSize(16);
+        fmt.setFrequency(22050);
+        fmt.setChannels(1);
+        break;
+    case QtMultimediaKit::HighQuality:
+    case QtMultimediaKit::VeryHighQuality:
+        // high, 44100Hz mono S16
+        fmt.setSampleType(QAudioFormat::SignedInt);
+        fmt.setSampleSize(16);
+        fmt.setFrequency(44100);
+        fmt.setChannels(2);
+        break;
+    default:
+        break;
+    }
+
+    DP0("S60AudioEncoderControl::setQuality ---");
+}
+
+QStringList S60AudioEncoderControl::supportedEncodingOptions(const QString &codec) const
+{
+    DP0("S60AudioEncoderControl::supportedEncodingOptions");
+
+    Q_UNUSED(codec)
+    QStringList list;
+    if (codec == "PCM") 
+        list << "quality" << "channels" << "samplerate";        
+     return list;
+}
+
+QVariant S60AudioEncoderControl::encodingOption(const QString &codec, const QString &name) const
+{
+    DP0("S60AudioEncoderControl::encodingOption");
+
+    if (codec == "PCM") {
+        QAudioFormat fmt = m_session->format();
+        
+        if(qstrcmp(name.toLocal8Bit().constData(), "quality") == 0) {
+            return QVariant(quality());
+        }        
+        else if(qstrcmp(name.toLocal8Bit().constData(), "channels") == 0) {
+            return QVariant(fmt.channels());
+        }                
+        else if(qstrcmp(name.toLocal8Bit().constData(), "samplerate") == 0) {
+            return QVariant(fmt.frequency());
+        }       
+    }
+    return QVariant();
+}
+
+void S60AudioEncoderControl::setEncodingOption(
+        const QString &codec, const QString &name, const QVariant &value)
+{
+    DP0("S60AudioEncoderControl::setEncodingOption +++");
+
+    if (codec == "PCM") {
+        QAudioFormat fmt = m_session->format();
+
+        if(qstrcmp(name.toLocal8Bit().constData(), "quality") == 0) {
+            setQuality((QtMultimediaKit::EncodingQuality)value.toInt(), fmt);
+        } else if(qstrcmp(name.toLocal8Bit().constData(), "channels") == 0) {
+            fmt.setChannels(value.toInt());
+        } else if(qstrcmp(name.toLocal8Bit().constData(), "samplerate") == 0) {
+            fmt.setFrequency(value.toInt());
+        }
+        m_session->setFormat(fmt);
+    }
+
+    DP0("S60AudioEncoderControl::setEncodingOption ---");
+}
+
+QList<int> S60AudioEncoderControl::supportedSampleRates(const QAudioEncoderSettings &settings, bool *continuous) const
+{
+    DP0("S60AudioEncoderControl::supportedSampleRates");
+
+    if (continuous)
+        *continuous = false;
+    
+    return m_session->supportedAudioSampleRates(settings);       
+}
+
+QAudioEncoderSettings S60AudioEncoderControl::audioSettings() const
+{
+    DP0("S60AudioEncoderControl::audioSettings");
+
+    return m_settings;
+}
+
+void S60AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings)
+{
+    DP0("S60AudioEncoderControl::setAudioSettings +++");
+
+    QAudioFormat fmt = m_session->format();
+    if (settings.encodingMode() == QtMultimediaKit::ConstantQualityEncoding) {
+        fmt.setCodec(settings.codec());
+        setQuality(settings.quality(), fmt);
+        if (settings.sampleRate() > 0) {
+            fmt.setFrequency(settings.sampleRate());
+        }
+        if (settings.channelCount() > 0)
+            fmt.setChannels(settings.channelCount());
+    }else {
+        if (settings.sampleRate() == 8000) {
+            fmt.setSampleType(QAudioFormat::UnSignedInt);
+            fmt.setSampleSize(8);
+        } else {
+            fmt.setSampleType(QAudioFormat::SignedInt);
+            fmt.setSampleSize(16);
+        }
+        fmt.setCodec(settings.codec());
+        fmt.setFrequency(settings.sampleRate());
+        fmt.setChannels(settings.channelCount());
+    }
+    m_session->setFormat(fmt);
+    m_session->setEncoderSettings(settings);
+    m_settings = settings;
+
+    DP0("S60AudioEncoderControl::setAudioSettings ---");
+}