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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QAUDIODECODER_H
#define QAUDIODECODER_H
#include <QtMultimedia/qmediaobject.h>
#include <QtMultimedia/qmediaenumdebug.h>
#include <QtMultimedia/qaudiobuffer.h>
QT_BEGIN_NAMESPACE
class QAudioDecoderPrivate;
class Q_MULTIMEDIA_EXPORT QAudioDecoder : public QMediaObject
{
Q_OBJECT
Q_PROPERTY(QString sourceFilename READ sourceFilename WRITE setSourceFilename NOTIFY sourceChanged)
Q_PROPERTY(State state READ state NOTIFY stateChanged)
Q_PROPERTY(QString error READ errorString)
Q_PROPERTY(bool bufferAvailable READ bufferAvailable NOTIFY bufferAvailableChanged)
Q_ENUMS(State)
Q_ENUMS(Error)
public:
enum State
{
StoppedState,
DecodingState
};
enum Error
{
NoError,
ResourceError,
FormatError,
AccessDeniedError,
ServiceMissingError
};
QAudioDecoder(QObject *parent = 0);
~QAudioDecoder();
static QMultimedia::SupportEstimate hasSupport(const QString &mimeType, const QStringList& codecs = QStringList());
State state() const;
QString sourceFilename() const;
void setSourceFilename(const QString &fileName);
QIODevice* sourceDevice() const;
void setSourceDevice(QIODevice *device);
QAudioFormat audioFormat() const;
void setAudioFormat(const QAudioFormat &format);
Error error() const;
QString errorString() const;
QAudioBuffer read() const;
bool bufferAvailable() const;
qint64 position() const;
qint64 duration() const;
public Q_SLOTS:
void start();
void stop();
Q_SIGNALS:
void bufferAvailableChanged(bool);
void bufferReady();
void finished();
void stateChanged(QAudioDecoder::State newState);
void formatChanged(const QAudioFormat &format);
void error(QAudioDecoder::Error error);
void sourceChanged();
void positionChanged(qint64 position);
void durationChanged(qint64 duration);
public:
virtual bool bind(QObject *);
virtual void unbind(QObject *);
private:
Q_DISABLE_COPY(QAudioDecoder)
Q_DECLARE_PRIVATE(QAudioDecoder)
Q_PRIVATE_SLOT(d_func(), void _q_stateChanged(QAudioDecoder::State))
Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &))
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QAudioDecoder::State)
Q_DECLARE_METATYPE(QAudioDecoder::Error)
Q_MEDIA_ENUM_DEBUG(QAudioDecoder, State)
Q_MEDIA_ENUM_DEBUG(QAudioDecoder, Error)
#endif // QAUDIODECODER_H
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