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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/* Media related snippets */
#include <QFile>
#include <QTimer>
#include "qmediaplaylist.h"
#include "qmediarecorder.h"
#include "qmediaservice.h"
#include "qmediaplayercontrol.h"
#include "qmediaplayer.h"
#include "qradiotuner.h"
#include "qvideowidget.h"
#include "qcameraimagecapture.h"
#include "qcamera.h"
class MediaExample : public QObject {
Q_OBJECT
void MediaControl();
void MediaPlayer();
void RadioTuna();
void MediaRecorder();
void EncoderSettings();
void ImageEncoderSettings();
private:
// Common naming
QMediaService *mediaService;
QVideoWidget *videoWidget;
QWidget *widget;
QMediaPlayer *player;
QMediaPlaylist *playlist;
QMediaContent video;
QMediaRecorder *recorder;
QCamera *camera;
QCameraImageCapture *imageCapture;
QString fileName;
QRadioTuner *radio;
QMediaContent image1;
QMediaContent image2;
QMediaContent image3;
static const int yourRadioStationFrequency = 11;
};
void MediaExample::MediaControl()
{
{
//! [Request control]
QMediaPlayerControl *control = qobject_cast<QMediaPlayerControl *>(
mediaService->requestControl("com.nokia.Qt.QMediaPlayerControl/1.0"));
//! [Request control]
Q_UNUSED(control);
}
{
//! [Request control templated]
QMediaPlayerControl *control = mediaService->requestControl<QMediaPlayerControl *>();
//! [Request control templated]
Q_UNUSED(control);
}
}
void MediaExample::EncoderSettings()
{
//! [Audio encoder settings]
QAudioEncoderSettings audioSettings;
audioSettings.setCodec("audio/mpeg");
audioSettings.setChannelCount(2);
recorder->setAudioSettings(audioSettings);
//! [Audio encoder settings]
//! [Video encoder settings]
QVideoEncoderSettings videoSettings;
videoSettings.setCodec("video/mpeg2");
videoSettings.setResolution(640, 480);
recorder->setVideoSettings(videoSettings);
//! [Video encoder settings]
}
void MediaExample::ImageEncoderSettings()
{
//! [Image encoder settings]
QImageEncoderSettings imageSettings;
imageSettings.setCodec("image/jpeg");
imageSettings.setResolution(1600, 1200);
imageCapture->setEncodingSettings(imageSettings);
//! [Image encoder settings]
}
void MediaExample::MediaPlayer()
{
//! [Player]
player = new QMediaPlayer;
connect(player, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64)));
player->setMedia(QUrl::fromLocalFile("/Users/me/Music/coolsong.mp3"));
player->setVolume(50);
player->play();
//! [Player]
//! [Local playback]
player = new QMediaPlayer;
// ...
player->setMedia(QUrl::fromLocalFile("/Users/me/Music/coolsong.mp3"));
player->setVolume(50);
player->play();
//! [Local playback]
//! [Audio playlist]
player = new QMediaPlayer;
playlist = new QMediaPlaylist(player);
playlist->addMedia(QUrl("http://example.com/myfile1.mp3"));
playlist->addMedia(QUrl("http://example.com/myfile2.mp3"));
// ...
playlist->setCurrentIndex(1);
player->play();
//! [Audio playlist]
//! [Movie playlist]
playlist = new QMediaPlaylist;
playlist->addMedia(QUrl("http://example.com/movie1.mp4"));
playlist->addMedia(QUrl("http://example.com/movie2.mp4"));
playlist->addMedia(QUrl("http://example.com/movie3.mp4"));
playlist->setCurrentIndex(1);
player = new QMediaPlayer;
player->setPlaylist(playlist);
videoWidget = new QVideoWidget;
player->setVideoOutput(videoWidget);
videoWidget->show();
player->play();
//! [Movie playlist]
}
void MediaExample::MediaRecorder()
{
//! [Media recorder]
// Audio only recording
recorder = new QMediaRecorder(camera);
QAudioEncoderSettings audioSettings;
audioSettings.setCodec("audio/amr");
audioSettings.setQuality(QtMultimedia::HighQuality);
recorder->setAudioSettings(audioSettings);
recorder->setOutputLocation(QUrl::fromLocalFile(fileName));
recorder->record();
//! [Media recorder]
#if 0
//! [Audio recorder]
audioRecorder = new QAudioRecorder;
QAudioEncoderSettings audioSettings;
audioSettings.setCodec("audio/amr");
audioSettings.setQuality(QtMultimedia::HighQuality);
audioRecorder->setEncodingSettings(audioSettings);
audioRecorder->setOutputLocation(QUrl::fromLocalFile("test.amr"));
audioRecorder->record();
//! [Audio recorder]
//! [Audio recorder endpoints]
QStringList inputs = audioRecorder->audioInputs();
QString selectedInput = audioRecorder->defaultAudioInput();
foreach (QString input, inputs) {
QString description = audioRecorder->audioInputDescription(input);
// show descriptions to user and allow selection
selectedInput = input;
}
audioRecorder->setAudioInput(selectedInput);
//! [Audio recorder endpoints]
#endif
}
void MediaExample::RadioTuna()
{
//! [Radio tuner]
radio = new QRadioTuner;
connect(radio, SIGNAL(frequencyChanged(int)), this, SLOT(freqChanged(int)));
if (radio->isBandSupported(QRadioTuner::FM)) {
radio->setBand(QRadioTuner::FM);
radio->setFrequency(yourRadioStationFrequency);
radio->setVolume(100);
radio->start();
}
//! [Radio tuner]
}
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