Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
This commit is contained in:
Michael Goddard
235
src/plugins/symbian/mmf/audiosource/s60audioencodercontrol.cpp
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235
src/plugins/symbian/mmf/audiosource/s60audioencodercontrol.cpp
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "DebugMacros.h"
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#include "s60audioencodercontrol.h"
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#include "s60audiocapturesession.h"
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#include "qaudioformat.h"
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#include <QtCore/qdebug.h>
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S60AudioEncoderControl::S60AudioEncoderControl(QObject *session, QObject *parent)
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:QAudioEncoderControl(parent), m_quality(QtMultimediaKit::NormalQuality)
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{
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DP0("S60AudioEncoderControl::S60AudioEncoderControl +++");
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m_session = qobject_cast<S60AudioCaptureSession*>(session);
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QAudioFormat fmt = m_session->format();
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// medium, 22050Hz mono S16
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fmt.setSampleType(QAudioFormat::SignedInt);
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if (fmt.codec().compare("PCM", Qt::CaseInsensitive) == 0) {
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fmt.setSampleSize(16);
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fmt.setFrequency(22050);
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}
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fmt.setChannels(1);
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m_session->setFormat(fmt);
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m_settings.setChannelCount(fmt.channels());
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m_settings.setCodec(fmt.codec());
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m_settings.setSampleRate(fmt.sampleRate());
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DP0("S60AudioEncoderControl::S60AudioEncoderControl ---");
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}
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S60AudioEncoderControl::~S60AudioEncoderControl()
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{
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DP0("S60AudioEncoderControl::~S60AudioEncoderControl +++");
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DP0("S60AudioEncoderControl::~S60AudioEncoderControl ---");
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}
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QStringList S60AudioEncoderControl::supportedAudioCodecs() const
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{
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DP0("S60AudioEncoderControl::supportedAudioCodecs");
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return m_session->supportedAudioCodecs();
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}
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QString S60AudioEncoderControl::codecDescription(const QString &codecName) const
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{
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DP0("S60AudioEncoderControl::codecDescription");
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return m_session->codecDescription(codecName);
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}
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QtMultimediaKit::EncodingQuality S60AudioEncoderControl::quality() const
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{
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DP0("S60AudioEncoderControl::quality");
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return m_quality;
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}
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void S60AudioEncoderControl::setQuality(QtMultimediaKit::EncodingQuality value, QAudioFormat &fmt)
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{
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DP0("S60AudioEncoderControl::setQuality +++");
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switch (value) {
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case QtMultimediaKit::VeryLowQuality:
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case QtMultimediaKit::LowQuality:
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// low, 8000Hz mono U8
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fmt.setSampleType(QAudioFormat::UnSignedInt);
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fmt.setSampleSize(8);
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fmt.setFrequency(8000);
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fmt.setChannels(1);
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break;
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case QtMultimediaKit::NormalQuality:
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// medium, 22050Hz mono S16
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fmt.setSampleType(QAudioFormat::SignedInt);
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fmt.setSampleSize(16);
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fmt.setFrequency(22050);
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fmt.setChannels(1);
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break;
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case QtMultimediaKit::HighQuality:
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case QtMultimediaKit::VeryHighQuality:
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// high, 44100Hz mono S16
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fmt.setSampleType(QAudioFormat::SignedInt);
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fmt.setSampleSize(16);
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fmt.setFrequency(44100);
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fmt.setChannels(2);
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break;
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default:
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break;
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}
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DP0("S60AudioEncoderControl::setQuality ---");
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}
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QStringList S60AudioEncoderControl::supportedEncodingOptions(const QString &codec) const
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{
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DP0("S60AudioEncoderControl::supportedEncodingOptions");
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Q_UNUSED(codec)
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QStringList list;
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if (codec == "PCM")
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list << "quality" << "channels" << "samplerate";
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return list;
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}
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QVariant S60AudioEncoderControl::encodingOption(const QString &codec, const QString &name) const
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{
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DP0("S60AudioEncoderControl::encodingOption");
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if (codec == "PCM") {
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QAudioFormat fmt = m_session->format();
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if(qstrcmp(name.toLocal8Bit().constData(), "quality") == 0) {
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return QVariant(quality());
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}
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else if(qstrcmp(name.toLocal8Bit().constData(), "channels") == 0) {
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return QVariant(fmt.channels());
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}
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else if(qstrcmp(name.toLocal8Bit().constData(), "samplerate") == 0) {
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return QVariant(fmt.frequency());
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}
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}
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return QVariant();
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}
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void S60AudioEncoderControl::setEncodingOption(
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const QString &codec, const QString &name, const QVariant &value)
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{
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DP0("S60AudioEncoderControl::setEncodingOption +++");
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if (codec == "PCM") {
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QAudioFormat fmt = m_session->format();
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if(qstrcmp(name.toLocal8Bit().constData(), "quality") == 0) {
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setQuality((QtMultimediaKit::EncodingQuality)value.toInt(), fmt);
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} else if(qstrcmp(name.toLocal8Bit().constData(), "channels") == 0) {
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fmt.setChannels(value.toInt());
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} else if(qstrcmp(name.toLocal8Bit().constData(), "samplerate") == 0) {
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fmt.setFrequency(value.toInt());
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}
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m_session->setFormat(fmt);
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}
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DP0("S60AudioEncoderControl::setEncodingOption ---");
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}
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QList<int> S60AudioEncoderControl::supportedSampleRates(const QAudioEncoderSettings &settings, bool *continuous) const
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{
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DP0("S60AudioEncoderControl::supportedSampleRates");
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if (continuous)
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*continuous = false;
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return m_session->supportedAudioSampleRates(settings);
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}
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QAudioEncoderSettings S60AudioEncoderControl::audioSettings() const
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{
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DP0("S60AudioEncoderControl::audioSettings");
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return m_settings;
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}
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void S60AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings)
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{
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DP0("S60AudioEncoderControl::setAudioSettings +++");
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QAudioFormat fmt = m_session->format();
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if (settings.encodingMode() == QtMultimediaKit::ConstantQualityEncoding) {
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fmt.setCodec(settings.codec());
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setQuality(settings.quality(), fmt);
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if (settings.sampleRate() > 0) {
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fmt.setFrequency(settings.sampleRate());
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}
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if (settings.channelCount() > 0)
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fmt.setChannels(settings.channelCount());
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}else {
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if (settings.sampleRate() == 8000) {
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fmt.setSampleType(QAudioFormat::UnSignedInt);
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fmt.setSampleSize(8);
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} else {
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fmt.setSampleType(QAudioFormat::SignedInt);
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fmt.setSampleSize(16);
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}
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fmt.setCodec(settings.codec());
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fmt.setFrequency(settings.sampleRate());
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fmt.setChannels(settings.channelCount());
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}
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m_session->setFormat(fmt);
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m_session->setEncoderSettings(settings);
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m_settings = settings;
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DP0("S60AudioEncoderControl::setAudioSettings ---");
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}
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