Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
This commit is contained in:
210
doc/src/snippets/multimedia-snippets/audio.cpp
Normal file
210
doc/src/snippets/multimedia-snippets/audio.cpp
Normal 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.
|
||||
**
|
||||
**
|
||||
**
|
||||
**
|
||||
**
|
||||
**
|
||||
**
|
||||
**
|
||||
** $QT_END_LICENSE$
|
||||
**
|
||||
****************************************************************************/
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||||
|
||||
/* Audio related snippets */
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#include <QFile>
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#include <QTimer>
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#include <QDebug>
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#include "qaudiodeviceinfo.h"
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#include "qaudioinput.h"
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#include "qaudiooutput.h"
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class AudioInputExample : public QObject {
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Q_OBJECT
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public:
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void setup();
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public Q_SLOTS:
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void stopRecording();
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void stateChanged(QAudio::State newState);
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private:
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//! [Audio input class members]
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QFile destinationFile; // class member.
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QAudioInput* audio; // class member.
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//! [Audio input class members]
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};
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void AudioInputExample::setup()
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//! [Audio input setup]
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{
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destinationFile.setFileName("/tmp/test.raw");
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destinationFile.open( QIODevice::WriteOnly | QIODevice::Truncate );
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QAudioFormat format;
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// set up the format you want, eg.
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format.setFrequency(8000);
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format.setChannels(1);
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format.setSampleSize(8);
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format.setCodec("audio/pcm");
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format.setByteOrder(QAudioFormat::LittleEndian);
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format.setSampleType(QAudioFormat::UnSignedInt);
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QAudioDeviceInfo info = QAudioDeviceInfo::defaultInputDevice();
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if (!info.isFormatSupported(format)) {
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qWarning()<<"default format not supported try to use nearest";
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format = info.nearestFormat(format);
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}
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audio = new QAudioInput(format, this);
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connect(audio, SIGNAL(stateChanged(QAudio::State)), this, SLOT(stateChanged(QAudio::State)));
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QTimer::singleShot(3000, this, SLOT(stopRecording()));
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audio->start(&destinationFile);
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// Records audio for 3000ms
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}
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//! [Audio input setup]
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//! [Audio input stop recording]
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void AudioInputExample::stopRecording()
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{
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audio->stop();
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destinationFile.close();
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delete audio;
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}
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//! [Audio input stop recording]
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//! [Audio input state changed]
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void AudioInputExample::stateChanged(QAudio::State newState)
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{
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switch (newState) {
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case QAudio::StoppedState:
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if (audio->error() != QAudio::NoError) {
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// Error handling
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} else {
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// Finished recording
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}
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break;
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// ...
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}
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}
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//! [Audio input state changed]
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class AudioOutputExample : public QObject {
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Q_OBJECT
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public:
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void setup();
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public Q_SLOTS:
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void stateChanged(QAudio::State newState);
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private:
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//! [Audio output class members]
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QFile sourceFile; // class member.
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QAudioOutput* audio; // class member.
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//! [Audio output class members]
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};
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void AudioOutputExample::setup()
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//! [Audio output setup]
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{
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sourceFile.setFileName("/tmp/test.raw");
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sourceFile.open(QIODevice::ReadOnly);
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QAudioFormat format;
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// Set up the format, eg.
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format.setFrequency(8000);
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format.setChannels(1);
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format.setSampleSize(8);
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format.setCodec("audio/pcm");
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format.setByteOrder(QAudioFormat::LittleEndian);
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format.setSampleType(QAudioFormat::UnSignedInt);
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QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
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if (!info.isFormatSupported(format)) {
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qWarning() << "raw audio format not supported by backend, cannot play audio.";
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return;
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}
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audio = new QAudioOutput(format, this);
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connect(audio, SIGNAL(stateChanged(QAudio::State)), this, SLOT(stateChanged(QAudio::State)));
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audio->start(&sourceFile);
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}
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//! [Audio output setup]
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//! [Audio output state changed]
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void AudioOutputExample::stateChanged(QAudio::State newState)
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{
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switch (newState) {
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case QAudio::IdleState:
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// Finished playing (no more data)
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audio->stop();
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sourceFile.close();
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delete audio;
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break;
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case QAudio::StoppedState:
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// Stopped for other reasons
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if (audio->error() != QAudio::NoError) {
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||||
// Error handling
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||||
}
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break;
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||||
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||||
// ...
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||||
}
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||||
}
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||||
//! [Audio output state changed]
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||||
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void AudioDeviceInfo()
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||||
{
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//! [Setting audio format]
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QAudioFormat format;
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format.setFrequency(44100);
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// ... other format parameters
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format.setSampleType(QAudioFormat::SignedInt);
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QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
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if (!info.isFormatSupported(format))
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format = info.nearestFormat(format);
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//! [Setting audio format]
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//! [Dumping audio formats]
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foreach (const QAudioDeviceInfo &deviceInfo, QAudioDeviceInfo::availableDevices(QAudio::AudioOutput))
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qDebug() << "Device name: " << deviceInfo.deviceName();
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//! [Dumping audio formats]
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||||
}
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||||
215
doc/src/snippets/multimedia-snippets/audiorecorder.cpp
Normal file
215
doc/src/snippets/multimedia-snippets/audiorecorder.cpp
Normal 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>
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||||
|
||||
#include <qaudiocapturesource.h>
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||||
#include <qmediarecorder.h>
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||||
#include <qmediaservice.h>
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#include <QtMultimediaKit/qaudioformat.h>
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||||
#include "audiorecorder.h"
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||||
|
||||
AudioRecorder::AudioRecorder()
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||||
{
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||||
//! [create-objs-1]
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||||
audiosource = new QAudioCaptureSource;
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capture = new QMediaRecorder(audiosource);
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||||
//! [create-objs-1]
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||||
// set a default file
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capture->setOutputLocation(QUrl("test.raw"));
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||||
QWidget *window = new QWidget;
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||||
QGridLayout* layout = new QGridLayout;
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QLabel* deviceLabel = new QLabel;
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||||
deviceLabel->setText("Devices");
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||||
deviceBox = new QComboBox(this);
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||||
deviceBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
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||||
|
||||
QLabel* codecLabel = new QLabel;
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codecLabel->setText("Codecs");
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||||
codecsBox = new QComboBox(this);
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||||
codecsBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
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||||
|
||||
QLabel* qualityLabel = new QLabel;
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||||
qualityLabel->setText("Quality");
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||||
qualityBox = new QComboBox(this);
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||||
qualityBox->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
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||||
//! [device-list]
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||||
for(int i = 0; i < audiosource->deviceCount(); i++)
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deviceBox->addItem(audiosource->name(i));
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||||
//! [device-list]
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||||
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||||
//! [codec-list]
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||||
QStringList codecs = capture->supportedAudioCodecs();
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||||
for(int i = 0; i < codecs.count(); i++)
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||||
codecsBox->addItem(codecs.at(i));
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||||
//! [codec-list]
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||||
|
||||
qualityBox->addItem("Low");
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||||
qualityBox->addItem("Medium");
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||||
qualityBox->addItem("High");
|
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||||
connect(capture, SIGNAL(durationChanged(qint64)), this, SLOT(updateProgress(qint64)));
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||||
connect(capture, SIGNAL(stateChanged(QMediaRecorder::State)), this, SLOT(stateChanged(QMediaRecorder::State)));
|
||||
|
||||
layout->addWidget(deviceLabel,0,0,Qt::AlignHCenter);
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||||
connect(deviceBox,SIGNAL(activated(int)),SLOT(deviceChanged(int)));
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||||
layout->addWidget(deviceBox,0,1,1,3,Qt::AlignLeft);
|
||||
|
||||
layout->addWidget(codecLabel,1,0,Qt::AlignHCenter);
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||||
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()));
|
||||
}
|
||||
82
doc/src/snippets/multimedia-snippets/camera.cpp
Normal file
82
doc/src/snippets/multimedia-snippets/camera.cpp
Normal 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]
|
||||
|
||||
}
|
||||
236
doc/src/snippets/multimedia-snippets/media.cpp
Normal file
236
doc/src/snippets/multimedia-snippets/media.cpp
Normal 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]
|
||||
}
|
||||
|
||||
|
||||
21
doc/src/snippets/multimedia-snippets/multimedia-snippets.pro
Normal file
21
doc/src/snippets/multimedia-snippets/multimedia-snippets.pro
Normal 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
|
||||
317
doc/src/snippets/multimedia-snippets/player.cpp
Normal file
317
doc/src/snippets/multimedia-snippets/player.cpp
Normal 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();
|
||||
}
|
||||
63
doc/src/snippets/multimedia-snippets/soundeffect.qml
Normal file
63
doc/src/snippets/multimedia-snippets/soundeffect.qml
Normal 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]
|
||||
129
doc/src/snippets/multimedia-snippets/video.cpp
Normal file
129
doc/src/snippets/multimedia-snippets/video.cpp
Normal 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]
|
||||
}
|
||||
Reference in New Issue
Block a user