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

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load(qt_module)
TARGET = qtmedia_audioengine
QT += multimediakit-private
PLUGIN_TYPE=mediaservice
load(qt_plugin)
DESTDIR = $$QT.multimediakit.plugins/$${PLUGIN_TYPE}
# Input
HEADERS += audioencodercontrol.h \
audiocontainercontrol.h \
audiomediarecordercontrol.h \
audioendpointselector.h \
audiocaptureservice.h \
audiocaptureserviceplugin.h \
audiocapturesession.h
SOURCES += audioencodercontrol.cpp \
audiocontainercontrol.cpp \
audiomediarecordercontrol.cpp \
audioendpointselector.cpp \
audiocaptureservice.cpp \
audiocaptureserviceplugin.cpp \
audiocapturesession.cpp

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/****************************************************************************
**
** 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 "audiocaptureservice.h"
#include "audiocapturesession.h"
#include "audioendpointselector.h"
#include "audioencodercontrol.h"
#include "audiocontainercontrol.h"
#include "audiomediarecordercontrol.h"
AudioCaptureService::AudioCaptureService(QObject *parent):
QMediaService(parent)
{
m_session = new AudioCaptureSession(this);
m_encoderControl = new AudioEncoderControl(m_session);
m_containerControl = new AudioContainerControl(m_session);
m_mediaControl = new AudioMediaRecorderControl(m_session);
m_endpointSelector = new AudioEndpointSelector(m_session);
}
AudioCaptureService::~AudioCaptureService()
{
delete m_encoderControl;
delete m_containerControl;
delete m_endpointSelector;
delete m_mediaControl;
delete m_session;
}
QMediaControl *AudioCaptureService::requestControl(const char *name)
{
if (qstrcmp(name,QMediaRecorderControl_iid) == 0)
return m_mediaControl;
if (qstrcmp(name,QAudioEncoderControl_iid) == 0)
return m_encoderControl;
if (qstrcmp(name,QAudioEndpointSelector_iid) == 0)
return m_endpointSelector;
if (qstrcmp(name,QMediaContainerControl_iid) == 0)
return m_containerControl;
return 0;
}
void AudioCaptureService::releaseControl(QMediaControl *control)
{
Q_UNUSED(control)
}

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/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef AUDIOCAPTURESERVICE_H
#define AUDIOCAPTURESERVICE_H
#include <QtCore/qobject.h>
#include "qmediaservice.h"
class AudioCaptureSession;
class AudioEncoderControl;
class AudioContainerControl;
class AudioMediaRecorderControl;
class AudioEndpointSelector;
QT_USE_NAMESPACE
class AudioCaptureService : public QMediaService
{
Q_OBJECT
public:
AudioCaptureService(QObject *parent = 0);
~AudioCaptureService();
QMediaControl *requestControl(const char *interface);
void releaseControl(QMediaControl *control);
private:
AudioCaptureSession *m_session;
AudioEncoderControl *m_encoderControl;
AudioContainerControl *m_containerControl;
AudioEndpointSelector *m_endpointSelector;
AudioMediaRecorderControl *m_mediaControl;
};
#endif

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/****************************************************************************
**
** 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 <QtCore/qstring.h>
#include "audiocaptureserviceplugin.h"
#include "audiocaptureservice.h"
#include "qmediaserviceprovider.h"
QStringList AudioCaptureServicePlugin::keys() const
{
return QStringList() << QLatin1String(Q_MEDIASERVICE_AUDIOSOURCE);
}
QMediaService* AudioCaptureServicePlugin::create(QString const& key)
{
if (key == QLatin1String(Q_MEDIASERVICE_AUDIOSOURCE))
return new AudioCaptureService;
return 0;
}
void AudioCaptureServicePlugin::release(QMediaService *service)
{
delete service;
}
Q_EXPORT_PLUGIN2(qtmedia_audioengine, AudioCaptureServicePlugin);

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/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef AUDIOCAPTURESERVICEPLUGIN_H
#define AUDIOCAPTURESERVICEPLUGIN_H
#include "qmediaserviceproviderplugin.h"
QT_USE_NAMESPACE
class AudioCaptureServicePlugin : public QMediaServiceProviderPlugin
{
Q_OBJECT
public:
QStringList keys() const;
QMediaService* create(QString const& key);
void release(QMediaService *service);
};
#endif // AUDIOCAPTURESERVICEPLUGIN_H

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/****************************************************************************
**
** 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 <QtCore/qdebug.h>
#include <QtCore/qurl.h>
#include <QtCore/qdir.h>
#include <qaudiodeviceinfo.h>
#include "qmediarecorder.h"
#include "audiocapturesession.h"
AudioCaptureSession::AudioCaptureSession(QObject *parent):
QObject(parent)
{
m_deviceInfo = new QAudioDeviceInfo(QAudioDeviceInfo::defaultInputDevice());
m_audioInput = 0;
m_position = 0;
m_state = QMediaRecorder::StoppedState;
m_format.setFrequency(8000);
m_format.setChannels(1);
m_format.setSampleSize(8);
m_format.setSampleType(QAudioFormat::UnSignedInt);
m_format.setCodec("audio/pcm");
wavFile = true;
}
AudioCaptureSession::~AudioCaptureSession()
{
stop();
if(m_audioInput)
delete m_audioInput;
}
QAudioDeviceInfo* AudioCaptureSession::deviceInfo() const
{
return m_deviceInfo;
}
QAudioFormat AudioCaptureSession::format() const
{
return m_format;
}
bool AudioCaptureSession::isFormatSupported(const QAudioFormat &format) const
{
if(m_deviceInfo) {
if(format.codec().contains(QLatin1String("audio/x-wav"))) {
QAudioFormat fmt = format;
fmt.setCodec("audio/pcm");
return m_deviceInfo->isFormatSupported(fmt);
} else
return m_deviceInfo->isFormatSupported(format);
}
return false;
}
bool AudioCaptureSession::setFormat(const QAudioFormat &format)
{
if(m_deviceInfo) {
QAudioFormat fmt = format;
if(m_deviceInfo->isFormatSupported(fmt)) {
m_format = fmt;
if(m_audioInput) delete m_audioInput;
m_audioInput = 0;
QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput);
for(int i=0;i<devices.size();i++) {
if(qstrcmp(m_deviceInfo->deviceName().toLocal8Bit().constData(),
devices.at(i).deviceName().toLocal8Bit().constData()) == 0) {
m_audioInput = new QAudioInput(devices.at(i),m_format);
connect(m_audioInput,SIGNAL(stateChanged(QAudio::State)),this,SLOT(stateChanged(QAudio::State)));
connect(m_audioInput,SIGNAL(notify()),this,SLOT(notify()));
break;
}
}
} else {
m_format = m_deviceInfo->preferredFormat();
qWarning()<<"failed to setFormat using preferred...";
}
}
return false;
}
QStringList AudioCaptureSession::supportedContainers() const
{
QStringList list;
if(m_deviceInfo) {
if (m_deviceInfo->supportedCodecs().size() > 0) {
list << "audio/x-wav";
list << "audio/pcm";
}
}
return list;
}
QString AudioCaptureSession::containerDescription(const QString &formatMimeType) const
{
if(m_deviceInfo) {
if (formatMimeType.contains(QLatin1String("audio/pcm")))
return tr("RAW file format");
if (formatMimeType.contains(QLatin1String("audio/x-wav")))
return tr("WAV file format");
}
return QString();
}
void AudioCaptureSession::setContainerMimeType(const QString &formatMimeType)
{
if (!formatMimeType.contains(QLatin1String("audio/x-wav")) &&
!formatMimeType.contains(QLatin1String("audio/pcm")) &&
!formatMimeType.isEmpty())
return;
if(m_deviceInfo) {
if (!m_deviceInfo->supportedCodecs().contains(QLatin1String("audio/pcm")))
return;
if (formatMimeType.isEmpty() || formatMimeType.contains(QLatin1String("audio/x-wav"))) {
wavFile = true;
m_format.setCodec("audio/pcm");
} else {
wavFile = false;
m_format.setCodec(formatMimeType);
}
}
}
QString AudioCaptureSession::containerMimeType() const
{
if(wavFile)
return QString("audio/x-wav");
return QString("audio/pcm");
}
QUrl AudioCaptureSession::outputLocation() const
{
return m_actualSink;
}
bool AudioCaptureSession::setOutputLocation(const QUrl& sink)
{
m_sink = m_actualSink = sink;
return true;
}
qint64 AudioCaptureSession::position() const
{
return m_position;
}
int AudioCaptureSession::state() const
{
return int(m_state);
}
QDir AudioCaptureSession::defaultDir() const
{
QStringList dirCandidates;
#if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
dirCandidates << QLatin1String("/home/user/MyDocs");
#endif
dirCandidates << QDir::home().filePath("Documents");
dirCandidates << QDir::home().filePath("My Documents");
dirCandidates << QDir::homePath();
dirCandidates << QDir::currentPath();
dirCandidates << QDir::tempPath();
foreach (const QString &path, dirCandidates) {
QDir dir(path);
if (dir.exists() && QFileInfo(path).isWritable())
return dir;
}
return QDir();
}
QString AudioCaptureSession::generateFileName(const QDir &dir, const QString &ext) const
{
int lastClip = 0;
foreach(QString fileName, dir.entryList(QStringList() << QString("clip_*.%1").arg(ext))) {
int imgNumber = fileName.mid(5, fileName.size()-6-ext.length()).toInt();
lastClip = qMax(lastClip, imgNumber);
}
QString name = QString("clip_%1.%2").arg(lastClip+1,
4, //fieldWidth
10,
QLatin1Char('0')).arg(ext);
return dir.absoluteFilePath(name);
}
void AudioCaptureSession::record()
{
if(!m_audioInput) {
setFormat(m_format);
}
m_actualSink = m_sink;
if (m_actualSink.isEmpty()) {
QString ext = wavFile ? QLatin1String("wav") : QLatin1String("raw");
m_actualSink = generateFileName(defaultDir(), ext);
}
if(m_actualSink.toLocalFile().length() > 0)
file.setFileName(m_actualSink.toLocalFile());
else
file.setFileName(m_actualSink.toString());
if(m_audioInput) {
if(m_state == QMediaRecorder::StoppedState) {
if(file.open(QIODevice::WriteOnly)) {
memset(&header,0,sizeof(CombinedHeader));
memcpy(header.riff.descriptor.id,"RIFF",4);
header.riff.descriptor.size = 0xFFFFFFFF; // This should be updated on stop(), filesize-8
memcpy(header.riff.type,"WAVE",4);
memcpy(header.wave.descriptor.id,"fmt ",4);
header.wave.descriptor.size = 16;
header.wave.audioFormat = 1; // for PCM data
header.wave.numChannels = m_format.channels();
header.wave.sampleRate = m_format.frequency();
header.wave.byteRate = m_format.frequency()*m_format.channels()*m_format.sampleSize()/8;
header.wave.blockAlign = m_format.channels()*m_format.sampleSize()/8;
header.wave.bitsPerSample = m_format.sampleSize();
memcpy(header.data.descriptor.id,"data",4);
header.data.descriptor.size = 0xFFFFFFFF; // This should be updated on stop(),samples*channels*sampleSize/8
if (wavFile)
file.write((char*)&header,sizeof(CombinedHeader));
m_audioInput->start(qobject_cast<QIODevice*>(&file));
} else {
emit error(1,QString("can't open source, failed"));
m_state = QMediaRecorder::StoppedState;
emit stateChanged(m_state);
}
}
}
m_state = QMediaRecorder::RecordingState;
}
void AudioCaptureSession::pause()
{
if(m_audioInput)
m_audioInput->stop();
m_state = QMediaRecorder::PausedState;
}
void AudioCaptureSession::stop()
{
if(m_audioInput) {
m_audioInput->stop();
file.close();
if (wavFile) {
qint32 fileSize = file.size()-8;
file.open(QIODevice::ReadWrite | QIODevice::Unbuffered);
file.read((char*)&header,sizeof(CombinedHeader));
header.riff.descriptor.size = fileSize; // filesize-8
header.data.descriptor.size = fileSize-44; // samples*channels*sampleSize/8
file.seek(0);
file.write((char*)&header,sizeof(CombinedHeader));
file.close();
}
m_position = 0;
}
m_state = QMediaRecorder::StoppedState;
}
void AudioCaptureSession::stateChanged(QAudio::State state)
{
switch(state) {
case QAudio::ActiveState:
emit stateChanged(QMediaRecorder::RecordingState);
break;
default:
if(!((m_state == QMediaRecorder::PausedState)||(m_state == QMediaRecorder::StoppedState)))
m_state = QMediaRecorder::StoppedState;
emit stateChanged(m_state);
break;
}
}
void AudioCaptureSession::notify()
{
m_position += m_audioInput->notifyInterval();
emit positionChanged(m_position);
}
void AudioCaptureSession::setCaptureDevice(const QString &deviceName)
{
m_captureDevice = deviceName;
if(m_deviceInfo)
delete m_deviceInfo;
m_deviceInfo = 0;
QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput);
for(int i = 0; i < devices.size(); i++) {
if(qstrcmp(m_captureDevice.toLocal8Bit().constData(),
devices.at(i).deviceName().toLocal8Bit().constData())==0){
m_deviceInfo = new QAudioDeviceInfo(QAudioDeviceInfo::defaultInputDevice());
return;
}
}
m_deviceInfo = new QAudioDeviceInfo(QAudioDeviceInfo::defaultInputDevice());
}

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/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef AUDIOCAPTURESESSION_H
#define AUDIOCAPTURESESSION_H
#include <QFile>
#include <QUrl>
#include <QDir>
#include "audioencodercontrol.h"
#include "audioendpointselector.h"
#include "audiomediarecordercontrol.h"
#include <qaudioformat.h>
#include <qaudioinput.h>
#include <qaudiodeviceinfo.h>
QT_USE_NAMESPACE
class AudioCaptureSession : public QObject
{
Q_OBJECT
public:
AudioCaptureSession(QObject *parent = 0);
~AudioCaptureSession();
QAudioFormat format() const;
QAudioDeviceInfo* deviceInfo() const;
bool isFormatSupported(const QAudioFormat &format) const;
bool setFormat(const QAudioFormat &format);
QStringList supportedContainers() const;
QString containerMimeType() const;
void setContainerMimeType(const QString &formatMimeType);
QString containerDescription(const QString &formatMimeType) const;
QUrl outputLocation() const;
bool setOutputLocation(const QUrl& sink);
qint64 position() const;
int state() const;
void record();
void pause();
void stop();
public slots:
void setCaptureDevice(const QString &deviceName);
signals:
void stateChanged(QMediaRecorder::State state);
void positionChanged(qint64 position);
void error(int error, const QString &errorString);
private slots:
void stateChanged(QAudio::State state);
void notify();
private:
QDir defaultDir() const;
QString generateFileName(const QDir &dir, const QString &ext) const;
QFile file;
QString m_captureDevice;
QUrl m_sink;
QUrl m_actualSink;
QMediaRecorder::State m_state;
QAudioInput *m_audioInput;
QAudioDeviceInfo *m_deviceInfo;
QAudioFormat m_format;
qint64 m_position;
bool wavFile;
// WAV header stuff
struct chunk
{
char id[4];
quint32 size;
};
struct RIFFHeader
{
chunk descriptor;
char type[4];
};
struct WAVEHeader
{
chunk descriptor;
quint16 audioFormat; // PCM = 1
quint16 numChannels;
quint32 sampleRate;
quint32 byteRate;
quint16 blockAlign;
quint16 bitsPerSample;
};
struct DATAHeader
{
chunk descriptor;
// quint8 data[];
};
struct CombinedHeader
{
RIFFHeader riff;
WAVEHeader wave;
DATAHeader data;
};
CombinedHeader header;
};
#endif

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/****************************************************************************
**
** 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 "audiocontainercontrol.h"
#include "audiocapturesession.h"
AudioContainerControl::AudioContainerControl(QObject *parent)
:QMediaContainerControl(parent)
{
m_session = qobject_cast<AudioCaptureSession*>(parent);
}
AudioContainerControl::~AudioContainerControl()
{
}
QStringList AudioContainerControl::supportedContainers() const
{
return m_session->supportedContainers();
}
QString AudioContainerControl::containerMimeType() const
{
return m_session->containerMimeType();
}
void AudioContainerControl::setContainerMimeType(const QString &formatMimeType)
{
m_session->setContainerMimeType(formatMimeType);
}
QString AudioContainerControl::containerDescription(const QString &formatMimeType) const
{
return m_session->containerDescription(formatMimeType);
}

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/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef AUDIOCONTAINERCONTROL_H
#define AUDIOCONTAINERCONTROL_H
#include "qmediacontainercontrol.h"
#include <QtCore/qstringlist.h>
#include <QtCore/qmap.h>
class AudioCaptureSession;
QT_USE_NAMESPACE
class AudioContainerControl : public QMediaContainerControl
{
Q_OBJECT
public:
AudioContainerControl(QObject *parent);
virtual ~AudioContainerControl();
QStringList supportedContainers() const;
QString containerMimeType() const;
void setContainerMimeType(const QString &formatMimeType);
QString containerDescription(const QString &formatMimeType) const;
private:
AudioCaptureSession* m_session;
};
#endif

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@@ -0,0 +1,168 @@
/****************************************************************************
**
** 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 "audioencodercontrol.h"
#include "audiocapturesession.h"
#include <qaudioformat.h>
#include <QtCore/qdebug.h>
AudioEncoderControl::AudioEncoderControl(QObject *parent)
:QAudioEncoderControl(parent)
{
m_session = qobject_cast<AudioCaptureSession*>(parent);
QT_PREPEND_NAMESPACE(QAudioFormat) fmt;
fmt.setSampleSize(8);
fmt.setChannels(1);
fmt.setFrequency(8000);
fmt.setSampleType(QT_PREPEND_NAMESPACE(QAudioFormat)::SignedInt);
fmt.setCodec("audio/pcm");
fmt.setByteOrder(QAudioFormat::LittleEndian);
m_session->setFormat(fmt);
m_settings.setEncodingMode(QtMultimediaKit::ConstantQualityEncoding);
m_settings.setCodec("audio/pcm");
m_settings.setBitRate(8000);
m_settings.setChannelCount(1);
m_settings.setSampleRate(8000);
m_settings.setQuality(QtMultimediaKit::LowQuality);
}
AudioEncoderControl::~AudioEncoderControl()
{
}
QStringList AudioEncoderControl::supportedAudioCodecs() const
{
QStringList list;
if (m_session->supportedContainers().size() > 0)
list.append("audio/pcm");
return list;
}
QString AudioEncoderControl::codecDescription(const QString &codecName) const
{
if (codecName.contains(QLatin1String("audio/pcm")))
return tr("PCM audio data");
return QString();
}
QStringList AudioEncoderControl::supportedEncodingOptions(const QString &codec) const
{
Q_UNUSED(codec)
QStringList list;
return list;
}
QVariant AudioEncoderControl::encodingOption(const QString &codec, const QString &name) const
{
Q_UNUSED(codec)
Q_UNUSED(name)
return QVariant();
}
void AudioEncoderControl::setEncodingOption(
const QString &codec, const QString &name, const QVariant &value)
{
Q_UNUSED(value)
Q_UNUSED(codec)
Q_UNUSED(name)
}
QList<int> AudioEncoderControl::supportedSampleRates(const QAudioEncoderSettings &, bool *continuous) const
{
if (continuous)
*continuous = false;
return m_session->deviceInfo()->supportedFrequencies();
}
QAudioEncoderSettings AudioEncoderControl::audioSettings() const
{
return m_settings;
}
void AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings)
{
QAudioFormat fmt = m_session->format();
if (settings.encodingMode() == QtMultimediaKit::ConstantQualityEncoding) {
if (settings.quality() == QtMultimediaKit::LowQuality) {
fmt.setSampleSize(8);
fmt.setChannels(1);
fmt.setFrequency(8000);
fmt.setSampleType(QAudioFormat::UnSignedInt);
} else if (settings.quality() == QtMultimediaKit::NormalQuality) {
fmt.setSampleSize(16);
fmt.setChannels(1);
fmt.setFrequency(22050);
fmt.setSampleType(QAudioFormat::SignedInt);
} else {
fmt.setSampleSize(16);
fmt.setChannels(1);
fmt.setFrequency(44100);
fmt.setSampleType(QAudioFormat::SignedInt);
}
} else {
fmt.setChannels(settings.channelCount());
fmt.setFrequency(settings.sampleRate());
if (settings.sampleRate() == 8000 && settings.bitRate() == 8000) {
fmt.setSampleType(QAudioFormat::UnSignedInt);
fmt.setSampleSize(8);
} else {
fmt.setSampleSize(16);
fmt.setSampleType(QAudioFormat::SignedInt);
}
}
fmt.setCodec("audio/pcm");
m_session->setFormat(fmt);
m_settings = settings;
}

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@@ -0,0 +1,79 @@
/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef AUDIOENCODERCONTROL_H
#define AUDIOENCODERCONTROL_H
#include "qaudioencodercontrol.h"
#include <QtCore/qstringlist.h>
#include <QtCore/qmap.h>
#include <qaudioformat.h>
class AudioCaptureSession;
QT_USE_NAMESPACE
class AudioEncoderControl : public QAudioEncoderControl
{
Q_OBJECT
public:
AudioEncoderControl(QObject *parent);
virtual ~AudioEncoderControl();
QStringList supportedAudioCodecs() const;
QString codecDescription(const QString &codecName) const;
QList<int> supportedSampleRates(const QAudioEncoderSettings &, bool *continuous = 0) const;
QAudioEncoderSettings audioSettings() const;
void setAudioSettings(const QAudioEncoderSettings&);
QStringList supportedEncodingOptions(const QString &codec) const;
QVariant encodingOption(const QString &codec, const QString &name) const;
void setEncodingOption(const QString &codec, const QString &name, const QVariant &value);
private:
AudioCaptureSession* m_session;
QAudioEncoderSettings m_settings;
};
#endif

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@@ -0,0 +1,110 @@
/****************************************************************************
**
** 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 "audiocapturesession.h"
#include "audioendpointselector.h"
#include <qaudiodeviceinfo.h>
AudioEndpointSelector::AudioEndpointSelector(QObject *parent)
:QAudioEndpointSelector(parent)
{
m_session = qobject_cast<AudioCaptureSession*>(parent);
update();
m_audioInput = defaultEndpoint();
}
AudioEndpointSelector::~AudioEndpointSelector()
{
}
QList<QString> AudioEndpointSelector::availableEndpoints() const
{
return m_names;
}
QString AudioEndpointSelector::endpointDescription(const QString& name) const
{
QString desc;
for(int i = 0; i < m_names.count(); i++) {
if (m_names.at(i).compare(name) == 0) {
desc = m_names.at(i);
break;
}
}
return desc;
}
QString AudioEndpointSelector::defaultEndpoint() const
{
return QAudioDeviceInfo(QAudioDeviceInfo::defaultInputDevice()).deviceName();
}
QString AudioEndpointSelector::activeEndpoint() const
{
return m_audioInput;
}
void AudioEndpointSelector::setActiveEndpoint(const QString& name)
{
if (m_audioInput.compare(name) != 0) {
m_audioInput = name;
m_session->setCaptureDevice(name);
emit activeEndpointChanged(name);
}
}
void AudioEndpointSelector::update()
{
m_names.clear();
m_descriptions.clear();
QList<QAudioDeviceInfo> devices;
devices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput);
for(int i = 0; i < devices.size(); ++i) {
m_names.append(devices.at(i).deviceName());
m_descriptions.append(devices.at(i).deviceName());
}
}

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@@ -0,0 +1,77 @@
/****************************************************************************
**
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef AUDIOENDPOINTSELECTOR_H
#define AUDIOENDPOINTSELECTOR_H
#include <QStringList>
#include "qaudioendpointselector.h"
class AudioCaptureSession;
QT_USE_NAMESPACE
class AudioEndpointSelector : public QAudioEndpointSelector
{
Q_OBJECT
public:
AudioEndpointSelector(QObject *parent);
virtual ~AudioEndpointSelector();
QList<QString> availableEndpoints() const;
QString endpointDescription(const QString& name) const;
QString defaultEndpoint() const;
QString activeEndpoint() const;
public Q_SLOTS:
void setActiveEndpoint(const QString& name);
private:
void update();
QString m_audioInput;
QList<QString> m_names;
QList<QString> m_descriptions;
AudioCaptureSession* m_session;
};
#endif // AUDIOENDPOINTSELECTOR_H

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@@ -0,0 +1,102 @@
/****************************************************************************
**
** 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 "audiocapturesession.h"
#include "audiomediarecordercontrol.h"
#include <QtCore/qdebug.h>
AudioMediaRecorderControl::AudioMediaRecorderControl(QObject *parent)
:QMediaRecorderControl(parent)
{
m_session = qobject_cast<AudioCaptureSession*>(parent);
connect(m_session,SIGNAL(positionChanged(qint64)),this,SIGNAL(durationChanged(qint64)));
connect(m_session,SIGNAL(stateChanged(QMediaRecorder::State)),this,SIGNAL(stateChanged(QMediaRecorder::State)));
connect(m_session,SIGNAL(error(int,QString)),this,SIGNAL(error(int,QString)));
}
AudioMediaRecorderControl::~AudioMediaRecorderControl()
{
}
QUrl AudioMediaRecorderControl::outputLocation() const
{
return m_session->outputLocation();
}
bool AudioMediaRecorderControl::setOutputLocation(const QUrl& sink)
{
return m_session->setOutputLocation(sink);
}
QMediaRecorder::State AudioMediaRecorderControl::state() const
{
return (QMediaRecorder::State)m_session->state();
}
qint64 AudioMediaRecorderControl::duration() const
{
return m_session->position();
}
void AudioMediaRecorderControl::record()
{
m_session->record();
}
void AudioMediaRecorderControl::pause()
{
m_session->stop();
}
void AudioMediaRecorderControl::stop()
{
m_session->stop();
}
bool AudioMediaRecorderControl::isMuted() const
{
return false;
}
void AudioMediaRecorderControl::setMuted(bool)
{
}

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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef AUDIOMEDIARECORDERCONTROL_H
#define AUDIOMEDIARECORDERCONTROL_H
#include <QtCore/qobject.h>
#include "qmediarecorder.h"
#include "qmediarecordercontrol.h"
class AudioCaptureSession;
QT_USE_NAMESPACE
class AudioMediaRecorderControl : public QMediaRecorderControl
{
Q_OBJECT
public:
AudioMediaRecorderControl(QObject *parent = 0);
~AudioMediaRecorderControl();
QUrl outputLocation() const;
bool setOutputLocation(const QUrl &sink);
QMediaRecorder::State state() const;
qint64 duration() const;
bool isMuted() const;
void applySettings() {}
public slots:
void record();
void pause();
void stop();
void setMuted(bool);
private:
AudioCaptureSession* m_session;
};
#endif