142 lines
4.3 KiB
C++
142 lines
4.3 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** 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 The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL3 included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 3 requirements
|
|
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 2.0 or (at your option) the GNU General
|
|
** Public license version 3 or any later version approved by the KDE Free
|
|
** Qt Foundation. The licenses are as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
|
|
** included in the packaging of this file. Please review the following
|
|
** information to ensure the GNU General Public License requirements will
|
|
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
|
|
** https://www.gnu.org/licenses/gpl-3.0.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
|
|
};
|
|
|
|
explicit QAudioDecoder(QObject *parent = nullptr);
|
|
~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:
|
|
bool bind(QObject *) override;
|
|
void unbind(QObject *) override;
|
|
|
|
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
|