Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2
This commit is contained in:
Michael Goddard
2011-06-29 13:38:46 +10:00
commit 2a34e88c1e
1048 changed files with 206259 additions and 0 deletions

View File

@@ -0,0 +1,210 @@
/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/* Audio related snippets */
#include <QFile>
#include <QTimer>
#include <QDebug>
#include "qaudiodeviceinfo.h"
#include "qaudioinput.h"
#include "qaudiooutput.h"
class AudioInputExample : public QObject {
Q_OBJECT
public:
void setup();
public Q_SLOTS:
void stopRecording();
void stateChanged(QAudio::State newState);
private:
//! [Audio input class members]
QFile destinationFile; // class member.
QAudioInput* audio; // class member.
//! [Audio input class members]
};
void AudioInputExample::setup()
//! [Audio input setup]
{
destinationFile.setFileName("/tmp/test.raw");
destinationFile.open( QIODevice::WriteOnly | QIODevice::Truncate );
QAudioFormat format;
// set up the format you want, eg.
format.setFrequency(8000);
format.setChannels(1);
format.setSampleSize(8);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
QAudioDeviceInfo info = QAudioDeviceInfo::defaultInputDevice();
if (!info.isFormatSupported(format)) {
qWarning()<<"default format not supported try to use nearest";
format = info.nearestFormat(format);
}
audio = new QAudioInput(format, this);
connect(audio, SIGNAL(stateChanged(QAudio::State)), this, SLOT(stateChanged(QAudio::State)));
QTimer::singleShot(3000, this, SLOT(stopRecording()));
audio->start(&destinationFile);
// Records audio for 3000ms
}
//! [Audio input setup]
//! [Audio input stop recording]
void AudioInputExample::stopRecording()
{
audio->stop();
destinationFile.close();
delete audio;
}
//! [Audio input stop recording]
//! [Audio input state changed]
void AudioInputExample::stateChanged(QAudio::State newState)
{
switch (newState) {
case QAudio::StoppedState:
if (audio->error() != QAudio::NoError) {
// Error handling
} else {
// Finished recording
}
break;
// ...
}
}
//! [Audio input state changed]
class AudioOutputExample : public QObject {
Q_OBJECT
public:
void setup();
public Q_SLOTS:
void stateChanged(QAudio::State newState);
private:
//! [Audio output class members]
QFile sourceFile; // class member.
QAudioOutput* audio; // class member.
//! [Audio output class members]
};
void AudioOutputExample::setup()
//! [Audio output setup]
{
sourceFile.setFileName("/tmp/test.raw");
sourceFile.open(QIODevice::ReadOnly);
QAudioFormat format;
// Set up the format, eg.
format.setFrequency(8000);
format.setChannels(1);
format.setSampleSize(8);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
if (!info.isFormatSupported(format)) {
qWarning() << "raw audio format not supported by backend, cannot play audio.";
return;
}
audio = new QAudioOutput(format, this);
connect(audio, SIGNAL(stateChanged(QAudio::State)), this, SLOT(stateChanged(QAudio::State)));
audio->start(&sourceFile);
}
//! [Audio output setup]
//! [Audio output state changed]
void AudioOutputExample::stateChanged(QAudio::State newState)
{
switch (newState) {
case QAudio::IdleState:
// Finished playing (no more data)
audio->stop();
sourceFile.close();
delete audio;
break;
case QAudio::StoppedState:
// Stopped for other reasons
if (audio->error() != QAudio::NoError) {
// Error handling
}
break;
// ...
}
}
//! [Audio output state changed]
void AudioDeviceInfo()
{
//! [Setting audio format]
QAudioFormat format;
format.setFrequency(44100);
// ... other format parameters
format.setSampleType(QAudioFormat::SignedInt);
QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
if (!info.isFormatSupported(format))
format = info.nearestFormat(format);
//! [Setting audio format]
//! [Dumping audio formats]
foreach (const QAudioDeviceInfo &deviceInfo, QAudioDeviceInfo::availableDevices(QAudio::AudioOutput))
qDebug() << "Device name: " << deviceInfo.deviceName();
//! [Dumping audio formats]
}

View File

@@ -0,0 +1,215 @@
/****************************************************************************
**
** 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 <QtGui>
#include <qaudiocapturesource.h>
#include <qmediarecorder.h>
#include <qmediaservice.h>
#include <QtMultimediaKit/qaudioformat.h>
#include "audiorecorder.h"
AudioRecorder::AudioRecorder()
{
//! [create-objs-1]
audiosource = new QAudioCaptureSource;
capture = new QMediaRecorder(audiosource);
//! [create-objs-1]
// set a default file
capture->setOutputLocation(QUrl("test.raw"));
QWidget *window = new QWidget;
QGridLayout* layout = new QGridLayout;
QLabel* deviceLabel = new QLabel;
deviceLabel->setText("Devices");
deviceBox = new QComboBox(this);
deviceBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
QLabel* codecLabel = new QLabel;
codecLabel->setText("Codecs");
codecsBox = new QComboBox(this);
codecsBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
QLabel* qualityLabel = new QLabel;
qualityLabel->setText("Quality");
qualityBox = new QComboBox(this);
qualityBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
//! [device-list]
for(int i = 0; i < audiosource->deviceCount(); i++)
deviceBox->addItem(audiosource->name(i));
//! [device-list]
//! [codec-list]
QStringList codecs = capture->supportedAudioCodecs();
for(int i = 0; i < codecs.count(); i++)
codecsBox->addItem(codecs.at(i));
//! [codec-list]
qualityBox->addItem("Low");
qualityBox->addItem("Medium");
qualityBox->addItem("High");
connect(capture, SIGNAL(durationChanged(qint64)), this, SLOT(updateProgress(qint64)));
connect(capture, SIGNAL(stateChanged(QMediaRecorder::State)), this, SLOT(stateChanged(QMediaRecorder::State)));
layout->addWidget(deviceLabel,0,0,Qt::AlignHCenter);
connect(deviceBox,SIGNAL(activated(int)),SLOT(deviceChanged(int)));
layout->addWidget(deviceBox,0,1,1,3,Qt::AlignLeft);
layout->addWidget(codecLabel,1,0,Qt::AlignHCenter);
connect(codecsBox,SIGNAL(activated(int)),SLOT(codecChanged(int)));
layout->addWidget(codecsBox,1,1,Qt::AlignLeft);
layout->addWidget(qualityLabel,1,2,Qt::AlignHCenter);
connect(qualityBox,SIGNAL(activated(int)),SLOT(qualityChanged(int)));
layout->addWidget(qualityBox,1,3,Qt::AlignLeft);
fileButton = new QPushButton(this);
fileButton->setText(tr("Output File"));
connect(fileButton,SIGNAL(clicked()),SLOT(selectOutputFile()));
layout->addWidget(fileButton,3,0,Qt::AlignHCenter);
button = new QPushButton(this);
button->setText(tr("Record"));
connect(button,SIGNAL(clicked()),SLOT(toggleRecord()));
layout->addWidget(button,3,3,Qt::AlignHCenter);
recTime = new QLabel;
recTime->setText("0 sec");
layout->addWidget(recTime,4,0,Qt::AlignHCenter);
window->setLayout(layout);
setCentralWidget(window);
window->show();
active = false;
}
AudioRecorder::~AudioRecorder()
{
delete capture;
delete audiosource;
}
void AudioRecorder::updateProgress(qint64 pos)
{
currentTime = pos;
if(currentTime == 0) currentTime = 1;
QString text = QString("%1 secs").arg(currentTime/1000);
recTime->setText(text);
}
void AudioRecorder::stateChanged(QMediaRecorder::State state)
{
qWarning()<<"stateChanged() "<<state;
}
void AudioRecorder::deviceChanged(int idx)
{
//! [get-device]
for(int i = 0; i < audiosource->deviceCount(); i++) {
if(deviceBox->itemText(idx).compare(audiosource->name(i)) == 0)
audiosource->setSelectedDevice(i);
}
//! [get-device]
}
void AudioRecorder::codecChanged(int idx)
{
Q_UNUSED(idx);
//capture->setAudioCodec(codecsBox->itemText(idx));
}
void AudioRecorder::qualityChanged(int idx)
{
Q_UNUSED(idx);
/*
if(capture->audioCodec().compare("audio/pcm") == 0) {
if(qualityBox->itemText(idx).compare("Low") == 0) {
// 8000Hz mono is 8kbps
capture->setAudioBitrate(8);
} else if(qualityBox->itemText(idx).compare("Medium") == 0) {
// 22050Hz mono is 44.1kbps
capture->setAudioBitrate(44);
} else if(qualityBox->itemText(idx).compare("High") == 0) {
// 44100Hz mono is 88.2kbps
capture->setAudioBitrate(88);
}
}
*/
}
//! [toggle-record]
void AudioRecorder::toggleRecord()
{
if(!active) {
recTime->setText("0 sec");
currentTime = 0;
capture->record();
button->setText(tr("Stop"));
active = true;
} else {
capture->stop();
button->setText(tr("Record"));
active = false;
}
}
//! [toggle-record]
void AudioRecorder::selectOutputFile()
{
QStringList fileNames;
QFileDialog dialog(this);
dialog.setFileMode(QFileDialog::AnyFile);
if (dialog.exec())
fileNames = dialog.selectedFiles();
if(fileNames.size() > 0)
capture->setOutputLocation(QUrl(fileNames.first()));
}

View File

@@ -0,0 +1,82 @@
/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/* Camera snippets */
#include "qcamera.h"
#include "qcameraviewfinder.h"
#include "qmediarecorder.h"
#include "qcameraimagecapture.h"
void camera()
{
QCamera *camera = 0;
QCameraViewfinder *viewfinder = 0;
QMediaRecorder *recorder = 0;
QCameraImageCapture *imageCapture = 0;
//! [Camera]
camera = new QCamera;
viewfinder = new QCameraViewfinder();
viewfinder->show();
camera->setViewfinder(viewfinder);
recorder = new QMediaRecorder(camera);
imageCapture = new QCameraImageCapture(camera);
camera->setCaptureMode(QCamera::CaptureStillImage);
camera->start();
//! [Camera]
//! [Camera keys]
//on half pressed shutter button
camera->searchAndLock();
//on shutter button pressed
imageCapture->capture();
//on shutter button released
camera->unlock();
//! [Camera keys]
}

View File

@@ -0,0 +1,236 @@
/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/* Media related snippets */
#include <QFile>
#include <QTimer>
#include "qaudiocapturesource.h"
#include "qmediaplaylist.h"
#include "qmediarecorder.h"
#include "qmediaservice.h"
#include "qmediaimageviewer.h"
#include "qmediaimageviewer.h"
#include "qmediaplayercontrol.h"
#include "qmediaplayer.h"
#include "qradiotuner.h"
#include "qvideowidget.h"
#include "qcameraimagecapture.h"
class MediaExample : public QObject {
Q_OBJECT
void AudioCaptureSource();
void MediaControl();
void MediaImageViewer();
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;
QMediaImageViewer *viewer;
QCameraImageCapture *imageCapture;
QAudioCaptureSource *audioSource;
QString fileName;
QRadioTuner *radio;
QMediaContent image1;
QMediaContent image2;
QMediaContent image3;
static const int yourRadioStationFrequency = 11;
};
void MediaExample::AudioCaptureSource()
{
//! [Audio capture source]
QAudioCaptureSource* audioSource = new QAudioCaptureSource;
QMediaRecorder* recorder = new QMediaRecorder(audioSource);
recorder->setOutputLocation(QUrl("test.raw"));
//! [Audio capture source]
Q_UNUSED(audioSource);
}
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->setEncodingSettings(audioSettings);
//! [Audio encoder settings]
//! [Video encoder settings]
QVideoEncoderSettings videoSettings;
videoSettings.setCodec("video/mpeg2");
videoSettings.setResolution(640, 480);
recorder->setEncodingSettings(audioSettings, 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::MediaImageViewer()
{
//! [Binding]
viewer = new QMediaImageViewer(this);
videoWidget = new QVideoWidget;
viewer->bind(videoWidget);
videoWidget->show();
//! [Binding]
//! [Playlist]
playlist = new QMediaPlaylist(this);
playlist->setPlaybackMode(QMediaPlaylist::Loop);
playlist->addMedia(image1);
playlist->addMedia(image2);
playlist->addMedia(image3);
viewer->setPlaylist(playlist);
viewer->setTimeout(5000);
viewer->play();
//! [Playlist]
}
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]
//! [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
audioSource = new QAudioCaptureSource;
recorder = new QMediaRecorder(audioSource);
QAudioEncoderSettings audioSettings;
audioSettings.setCodec("audio/vorbis");
audioSettings.setQuality(QtMultimediaKit::HighQuality);
recorder->setEncodingSettings(audioSettings);
recorder->setOutputLocation(QUrl::fromLocalFile(fileName));
recorder->record();
//! [Media recorder]
}
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]
}

View File

@@ -0,0 +1,21 @@
# Doc snippets - compiled for truthiness
TEMPLATE = lib
TARGET = qtmmksnippets
include(../../../../features/basic_examples_setup.pri)
INCLUDEPATH += ../../../../src/global \
../../../../src/multimediakit \
../../../../src/multimediakit/audio \
../../../../src/multimediakit/video \
../../../../src/multimediakit/effects
CONFIG += console
qtAddLibrary(QtMultimediaKit)
SOURCES += \
audio.cpp \
video.cpp \
camera.cpp \
media.cpp

View File

@@ -0,0 +1,317 @@
/****************************************************************************
**
** 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 "player.h"
#include "playercontrols.h"
#include "playlistmodel.h"
#include "videowidget.h"
#include <qmediaservice.h>
#include <qmediaplaylist.h>
#include <QtGui>
Player::Player(QWidget *parent)
: QWidget(parent)
, videoWidget(0)
, coverLabel(0)
, slider(0)
, colorDialog(0)
{
//! [create-objs]
player = new QMediaPlayer;
playlist = new QMediaPlaylist(player);
//! [create-objs]
connect(player, SIGNAL(durationChanged(qint64)), SLOT(durationChanged(qint64)));
connect(player, SIGNAL(positionChanged(qint64)), SLOT(positionChanged(qint64)));
connect(player, SIGNAL(metaDataChanged()), SLOT(metaDataChanged()));
connect(playlist, SIGNAL(playlistPositionChanged(int)), SLOT(playlistPositionChanged(int)));
connect(player, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)),
this, SLOT(statusChanged(QMediaPlayer::MediaStatus)));
connect(player, SIGNAL(bufferStatusChanged(int)), this, SLOT(bufferingProgress(int)));
videoWidget = new VideoWidget(player);
playlistModel = new PlaylistModel(this);
playlistModel->setPlaylist(playlist);
playlistView = new QListView;
playlistView->setModel(playlistModel);
playlistView->setCurrentIndex(playlistModel->index(playlist->currentPosition(), 0));
connect(playlistView, SIGNAL(activated(QModelIndex)), this, SLOT(jump(QModelIndex)));
slider = new QSlider(Qt::Horizontal);
slider->setRange(0, player->duration() / 1000);
connect(slider, SIGNAL(sliderMoved(int)), this, SLOT(seek(int)));
QPushButton *openButton = new QPushButton(tr("Open"));
connect(openButton, SIGNAL(clicked()), this, SLOT(open()));
PlayerControls *controls = new PlayerControls;
controls->setState(player->state());
controls->setVolume(player->volume());
controls->setMuted(controls->isMuted());
connect(controls, SIGNAL(play()), player, SLOT(play()));
connect(controls, SIGNAL(pause()), player, SLOT(pause()));
connect(controls, SIGNAL(stop()), player, SLOT(stop()));
connect(controls, SIGNAL(next()), playlist, SLOT(next()));
connect(controls, SIGNAL(previous()), playlist, SLOT(previous()));
connect(controls, SIGNAL(changeVolume(int)), player, SLOT(setVolume(int)));
connect(controls, SIGNAL(changeMuting(bool)), player, SLOT(setMuted(bool)));
connect(controls, SIGNAL(changeRate(qreal)), player, SLOT(setPlaybackRate(qreal)));
connect(player, SIGNAL(stateChanged(QMediaPlayer::State)),
controls, SLOT(setState(QMediaPlayer::State)));
connect(player, SIGNAL(volumeChanged(int)), controls, SLOT(setVolume(int)));
connect(player, SIGNAL(mutingChanged(bool)), controls, SLOT(setMuted(bool)));
QPushButton *fullScreenButton = new QPushButton(tr("FullScreen"));
fullScreenButton->setCheckable(true);
if (videoWidget != 0) {
connect(fullScreenButton, SIGNAL(clicked(bool)), videoWidget, SLOT(setFullScreen(bool)));
connect(videoWidget, SIGNAL(fullScreenChanged(bool)),
fullScreenButton, SLOT(setChecked(bool)));
} else {
fullScreenButton->setEnabled(false);
}
QPushButton *colorButton = new QPushButton(tr("Color Options..."));
if (videoWidget)
connect(colorButton, SIGNAL(clicked()), this, SLOT(showColorDialog()));
else
colorButton->setEnabled(false);
QBoxLayout *displayLayout = new QHBoxLayout;
if (videoWidget)
displayLayout->addWidget(videoWidget, 2);
else
displayLayout->addWidget(coverLabel, 2);
displayLayout->addWidget(playlistView);
QBoxLayout *controlLayout = new QHBoxLayout;
controlLayout->setMargin(0);
controlLayout->addWidget(openButton);
controlLayout->addStretch(1);
controlLayout->addWidget(controls);
controlLayout->addStretch(1);
controlLayout->addWidget(fullScreenButton);
controlLayout->addWidget(colorButton);
QBoxLayout *layout = new QVBoxLayout;
layout->addLayout(displayLayout);
layout->addWidget(slider);
layout->addLayout(controlLayout);
setLayout(layout);
metaDataChanged();
}
Player::~Player()
{
delete playlist;
delete player;
}
void Player::open()
{
QStringList fileNames = QFileDialog::getOpenFileNames();
foreach (QString const &fileName, fileNames)
playlist->appendItem(QUrl::fromLocalFile(fileName));
}
void Player::durationChanged(qint64 duration)
{
slider->setMaximum(duration / 1000);
}
void Player::positionChanged(qint64 progress)
{
slider->setValue(progress / 1000);
}
void Player::metaDataChanged()
{
//qDebug() << "update metadata" << player->metaData(QtMultimediaKit::Title).toString();
if (player->isMetaDataAvailable()) {
setTrackInfo(QString("%1 - %2")
.arg(player->metaData(QtMultimediaKit::AlbumArtist).toString())
.arg(player->metaData(QtMultimediaKit::Title).toString()));
if (coverLabel) {
QUrl url = player->metaData(QtMultimediaKit::CoverArtUrlLarge).value<QUrl>();
coverLabel->setPixmap(!url.isEmpty()
? QPixmap(url.toString())
: QPixmap());
}
}
}
void Player::jump(const QModelIndex &index)
{
if (index.isValid()) {
playlist->setCurrentPosition(index.row());
}
}
void Player::playlistPositionChanged(int currentItem)
{
playlistView->setCurrentIndex(playlistModel->index(currentItem, 0));
}
void Player::seek(int seconds)
{
player->setPosition(seconds * 1000);
}
void Player::statusChanged(QMediaPlayer::MediaStatus status)
{
switch (status) {
case QMediaPlayer::UnknownMediaStatus:
case QMediaPlayer::NoMedia:
case QMediaPlayer::LoadedMedia:
case QMediaPlayer::BufferingMedia:
case QMediaPlayer::BufferedMedia:
#ifndef QT_NO_CURSOR
unsetCursor();
#endif
setStatusInfo(QString());
break;
case QMediaPlayer::LoadingMedia:
#ifndef QT_NO_CURSOR
setCursor(QCursor(Qt::BusyCursor));
#endif
setStatusInfo(tr("Loading..."));
break;
case QMediaPlayer::StalledMedia:
#ifndef QT_NO_CURSOR
setCursor(QCursor(Qt::BusyCursor));
#endif
break;
case QMediaPlayer::EndOfMedia:
#ifndef QT_NO_CURSOR
unsetCursor();
#endif
setStatusInfo(QString());
QApplication::alert(this);
break;
case QMediaPlayer::InvalidMedia:
#ifndef QT_NO_CURSOR
unsetCursor();
#endif
setStatusInfo(player->errorString());
break;
}
}
void Player::bufferingProgress(int progress)
{
setStatusInfo(tr("Buffering %4%%").arg(progress));
}
void Player::setTrackInfo(const QString &info)
{
trackInfo = info;
if (!statusInfo.isEmpty())
setWindowTitle(QString("%1 | %2").arg(trackInfo).arg(statusInfo));
else
setWindowTitle(trackInfo);
}
void Player::setStatusInfo(const QString &info)
{
statusInfo = info;
if (!statusInfo.isEmpty())
setWindowTitle(QString("%1 | %2").arg(trackInfo).arg(statusInfo));
else
setWindowTitle(trackInfo);
}
void Player::showColorDialog()
{
if (!colorDialog) {
QSlider *brightnessSlider = new QSlider(Qt::Horizontal);
brightnessSlider->setRange(-100, 100);
brightnessSlider->setValue(videoWidget->brightness());
connect(brightnessSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setBrightness(int)));
connect(videoWidget, SIGNAL(brightnessChanged(int)), brightnessSlider, SLOT(setValue(int)));
QSlider *contrastSlider = new QSlider(Qt::Horizontal);
contrastSlider->setRange(-100, 100);
contrastSlider->setValue(videoWidget->contrast());
connect(contrastSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setContrast(int)));
connect(videoWidget, SIGNAL(contrastChanged(int)), contrastSlider, SLOT(setValue(int)));
QSlider *hueSlider = new QSlider(Qt::Horizontal);
hueSlider->setRange(-100, 100);
hueSlider->setValue(videoWidget->hue());
connect(hueSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setHue(int)));
connect(videoWidget, SIGNAL(hueChanged(int)), hueSlider, SLOT(setValue(int)));
QSlider *saturationSlider = new QSlider(Qt::Horizontal);
saturationSlider->setRange(-100, 100);
saturationSlider->setValue(videoWidget->saturation());
connect(saturationSlider, SIGNAL(sliderMoved(int)), videoWidget, SLOT(setSaturation(int)));
connect(videoWidget, SIGNAL(saturationChanged(int)), saturationSlider, SLOT(setValue(int)));
QFormLayout *layout = new QFormLayout;
layout->addRow(tr("Brightness"), brightnessSlider);
layout->addRow(tr("Contrast"), contrastSlider);
layout->addRow(tr("Hue"), hueSlider);
layout->addRow(tr("Saturation"), saturationSlider);
colorDialog = new QDialog(this);
colorDialog->setWindowTitle(tr("Color Options"));
colorDialog->setLayout(layout);
}
colorDialog->show();
}

View File

@@ -0,0 +1,63 @@
/****************************************************************************
**
** Copyright (C) 2011 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//! [complete snippet]
import Qt 4.7
import QtMultimediaKit 1.1
Text {
text: "Click Me!";
font.pointSize: 24;
width: 150; height: 50;
//! [play sound on click]
SoundEffect {
id: playSound
source: "soundeffect.wav"
}
MouseArea {
id: playArea
anchors.fill: parent
onPressed: { playSound.play() }
}
//! [play sound on click]
}
//! [complete snippet]

View File

@@ -0,0 +1,129 @@
/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/* Video related snippets */
#include "qvideorenderercontrol.h"
#include "qmediaservice.h"
#include "qmediaplayer.h"
#include "qabstractvideosurface.h"
#include "qvideowidgetcontrol.h"
#include "qvideowindowcontrol.h"
#include "qgraphicsvideoitem.h"
#include <QFormLayout>
#include <QGraphicsView>
class VideoExample : public QObject {
Q_OBJECT
public:
void VideoGraphicsItem();
void VideoRendererControl();
void VideoWidget();
void VideoWindowControl();
void VideoWidgetControl();
private:
// Common naming
QMediaService *mediaService;
QVideoWidget *videoWidget;
QWidget *widget;
QFormLayout *layout;
QAbstractVideoSurface *myVideoSurface;
QMediaPlayer *player;
QMediaContent video;
QGraphicsView *graphicsView;
};
void VideoExample::VideoRendererControl()
{
//! [Video renderer control]
QVideoRendererControl *rendererControl = mediaService->requestControl<QVideoRendererControl *>();
rendererControl->setSurface(myVideoSurface);
//! [Video renderer control]
}
void VideoExample::VideoWidget()
{
//! [Video widget]
player = new QMediaPlayer;
videoWidget = new QVideoWidget;
player->setVideoOutput(videoWidget);
player->setMedia(QUrl("http://example.com/movie.mp4"));
videoWidget->show();
player->play();
//! [Video widget]
}
void VideoExample::VideoWidgetControl()
{
//! [Video widget control]
QVideoWidgetControl *widgetControl = mediaService->requestControl<QVideoWidgetControl *>();
layout->addWidget(widgetControl->videoWidget());
//! [Video widget control]
}
void VideoExample::VideoWindowControl()
{
//! [Video window control]
QVideoWindowControl *windowControl = mediaService->requestControl<QVideoWindowControl *>();
windowControl->setWinId(widget->winId());
windowControl->setDisplayRect(widget->rect());
windowControl->setAspectRatioMode(Qt::KeepAspectRatio);
//! [Video window control]
}
void VideoExample::VideoGraphicsItem()
{
//! [Video graphics item]
player = new QMediaPlayer(this);
QGraphicsVideoItem *item = new QGraphicsVideoItem;
player->setVideoOutput(item);
graphicsView->scene()->addItem(item);
graphicsView->show();
player->setMedia(video);
player->play();
//! [Video graphics item]
}