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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include "settings.h"

    43 #ifdef Q_OS_SYMBIAN

    44 #include "ui_settings_s60.h"

    45 #else

    46 #include "ui_settings.h"

    47 #endif

    48 

    49 #include <QtGui/qcombobox.h>

    50 #include <QtCore/qdebug.h>

    51 #include <qmediarecorder.h>

    52 #include <qmediaservice.h>

    53 #include <QFile>

    54 

    55 

    56 

    57 Settings::Settings(QMediaRecorder *mediaRecorder, QWidget *parent) :

    58     QDialog(parent),

    59     ui(new Ui::SettingsUi),

    60     mediaRecorder(mediaRecorder)

    61 {

    62     ui->setupUi(this);

    63      

    64     //audio codecs

    65     foreach(const QString &codecName, mediaRecorder->supportedAudioCodecs()) {

    66         QString description = mediaRecorder->audioCodecDescription(codecName);

    67         ui->audioCodecBox->addItem(codecName+": "+description, QVariant(codecName));

    68     }

    69     //sample rate:

    70     foreach(int sampleRate, mediaRecorder->supportedAudioSampleRates()) {

    71         ui->audioSampleRateBox->addItem(QString::number(sampleRate), QVariant(sampleRate));

    72     }

    73     ui->audioQualitySlider->setRange(0, int(QtMedia::VeryHighQuality));

    74 

    75     //video codecs

    76     foreach(const QString &codecName, mediaRecorder->supportedVideoCodecs()) {

    77         QString description = mediaRecorder->videoCodecDescription(codecName);

    78         ui->videoCodecBox->addItem(codecName+": "+description, QVariant(codecName));

    79     }

    80     ui->videoQualitySlider->setRange(0, int(QtMedia::VeryHighQuality));

    81 

    82 

    83     ui->videoResolutionBox->addItem(tr("Default"));

    84     QList<QSize> supportedResolutions = mediaRecorder->supportedResolutions();

    85     foreach(const QSize &resolution, supportedResolutions) {

    86         ui->videoResolutionBox->addItem(QString("%1x%2").arg(resolution.width()).arg(resolution.height()),

    87                                         QVariant(resolution));

    88     }

    89     ui->videoFramerateBox->addItem(tr("Default"));

    90     QList<qreal> supportedFrameRates = mediaRecorder->supportedFrameRates();

    91     qreal rate;

    92     foreach(rate, supportedFrameRates) {

    93         QString rateString = QString("%1").arg(rate, 0, 'f', 2);

    94         ui->videoFramerateBox->addItem(rateString, QVariant(rate));

    95     }

    96     //containers

    97     foreach(const QString &format, mediaRecorder->supportedContainers()) {

    98         ui->containerFormatBox->addItem(format+":"+mediaRecorder->containerDescription(format),

    99                                         QVariant(format));

   100     }    

   101     connect(ui->buttonBox, SIGNAL(accepted()), this, SLOT(accept()));

   102     connect(ui->buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

   103 }

   104 

   105 Settings::~Settings()

   106 {

   107     delete ui;

   108 }

   109 

   110 void Settings::changeEvent(QEvent *e)

   111 {

   112     QDialog::changeEvent(e);

   113     switch (e->type()) {

   114     case QEvent::LanguageChange:

   115         ui->retranslateUi(this);

   116         break;

   117     default:

   118         break;

   119     }

   120 }

   121 

   122 QAudioEncoderSettings Settings::audioSettings() const

   123 {

   124     QAudioEncoderSettings settings = mediaRecorder->audioSettings();

   125     settings.setCodec(boxValue(ui->audioCodecBox).toString());

   126     settings.setQuality(QtMedia::EncodingQuality(ui->audioQualitySlider->value()));

   127     settings.setSampleRate(boxValue(ui->audioSampleRateBox).toInt());

   128     return settings;

   129 }

   130 

   131 void Settings::setAudioSettings(const QAudioEncoderSettings &audioSettings)

   132 {

   133     selectComboBoxItem(ui->audioCodecBox, QVariant(audioSettings.codec()));

   134     selectComboBoxItem(ui->audioSampleRateBox, QVariant(audioSettings.sampleRate()));

   135     ui->audioQualitySlider->setValue(audioSettings.quality());

   136 }

   137 

   138 QVideoEncoderSettings Settings::videoSettings() const

   139 {        

   140     QVideoEncoderSettings settings = mediaRecorder->videoSettings();    

   141     settings.setCodec(boxValue(ui->videoCodecBox).toString());

   142     settings.setQuality(QtMedia::EncodingQuality(ui->videoQualitySlider->value()));

   143     settings.setResolution(boxValue(ui->videoResolutionBox).toSize());

   144     settings.setFrameRate(boxValue(ui->videoFramerateBox).value<qreal>());

   145     return settings;    

   146 }

   147 

   148 void Settings::setVideoSettings(const QVideoEncoderSettings &videoSettings)

   149 {   

   150     selectComboBoxItem(ui->videoCodecBox, QVariant(videoSettings.codec()));

   151     selectComboBoxItem(ui->videoResolutionBox, QVariant(videoSettings.resolution()));

   152     ui->videoQualitySlider->setValue(videoSettings.quality());

   153     //special case for frame rate

   154     for (int i=0; i<ui->videoFramerateBox->count(); i++) {

   155         qreal itemRate = ui->videoFramerateBox->itemData(i).value<qreal>();

   156         if (qFuzzyCompare(itemRate, videoSettings.frameRate())) {

   157             ui->videoFramerateBox->setCurrentIndex(i);

   158             break;

   159         }

   160     }

   161 }

   162 

   163 QString Settings::format() const

   164 {

   165     return boxValue(ui->containerFormatBox).toString();

   166 }

   167 

   168 void Settings::setFormat(const QString &format)

   169 {

   170     selectComboBoxItem(ui->containerFormatBox, QVariant(format));

   171 }

   172 

   173 QVariant Settings::boxValue(const QComboBox *box) const

   174 {

   175     int idx = box->currentIndex();

   176     if (idx == -1)

   177         return QVariant();

   178 

   179     return box->itemData(idx);

   180 }

   181 

   182 void Settings::selectComboBoxItem(QComboBox *box, const QVariant &value)

   183 {

   184     for (int i=0; i<box->count(); i++) {

   185         if (box->itemData(i) == value) {

   186             box->setCurrentIndex(i);

   187             break;

   188         }

   189     }

   190 }