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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 

    54 

    55 

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

    57     QDialog(parent),

    58     ui(new Ui::SettingsUi),

    59     mediaRecorder(mediaRecorder)

    60 {

    61     ui->setupUi(this);

    62 

    63     //audio codecs

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

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

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

    67     }

    68 

    69     //sample rate:

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

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

    72     }

    73 

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

    75 

    76     //video codecs

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

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

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

    80     }

    81 

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

    83 

    84 

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

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

    87     foreach(const QSize &resolution, supportedResolutions) {

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

    89                                         QVariant(resolution));

    90     }

    91 

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

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

    94     qreal rate;

    95     foreach(rate, supportedFrameRates) {

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

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

    98     }

    99 

   100     //containers

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

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

   103                                         QVariant(format));

   104     }

   105 }

   106 

   107 Settings::~Settings()

   108 {

   109     delete ui;

   110 }

   111 

   112 void Settings::changeEvent(QEvent *e)

   113 {

   114     QDialog::changeEvent(e);

   115     switch (e->type()) {

   116     case QEvent::LanguageChange:

   117         ui->retranslateUi(this);

   118         break;

   119     default:

   120         break;

   121     }

   122 }

   123 

   124 QAudioEncoderSettings Settings::audioSettings() const

   125 {

   126     QAudioEncoderSettings settings = mediaRecorder->audioSettings();

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

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

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

   130     return settings;

   131 }

   132 

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

   134 {

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

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

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

   138 }

   139 

   140 QVideoEncoderSettings Settings::videoSettings() const

   141 {

   142     QVideoEncoderSettings settings = mediaRecorder->videoSettings();

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

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

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

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

   147 

   148     return settings;

   149 }

   150 

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

   152 {

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

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

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

   156 

   157     //special case for frame rate

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

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

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

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

   162             break;

   163         }

   164     }

   165 }

   166 

   167 QString Settings::format() const

   168 {

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

   170 }

   171 

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

   173 {

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

   175 }

   176 

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

   178 {

   179     int idx = box->currentIndex();

   180     if (idx == -1)

   181         return QVariant();

   182 

   183     return box->itemData(idx);

   184 }

   185 

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

   187 {

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

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

   190             box->setCurrentIndex(i);

   191             break;

   192         }

   193     }

   194 }