139 lines
4.9 KiB
C++
139 lines
4.9 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 QAUDIOSYSTEM_H
|
|
#define QAUDIOSYSTEM_H
|
|
|
|
#include <QtMultimedia/qtmultimediaglobal.h>
|
|
#include <QtMultimedia/qmultimedia.h>
|
|
|
|
#include <QtMultimedia/qaudio.h>
|
|
#include <QtMultimedia/qaudioformat.h>
|
|
#include <QtMultimedia/qaudiodeviceinfo.h>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
class QIODevice;
|
|
|
|
class Q_MULTIMEDIA_EXPORT QAbstractAudioDeviceInfo : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
virtual QAudioFormat preferredFormat() const = 0;
|
|
virtual bool isFormatSupported(const QAudioFormat &format) const = 0;
|
|
virtual QString deviceName() const = 0;
|
|
virtual QStringList supportedCodecs() = 0;
|
|
virtual QList<int> supportedSampleRates() = 0;
|
|
virtual QList<int> supportedChannelCounts() = 0;
|
|
virtual QList<int> supportedSampleSizes() = 0;
|
|
virtual QList<QAudioFormat::Endian> supportedByteOrders() = 0;
|
|
virtual QList<QAudioFormat::SampleType> supportedSampleTypes() = 0;
|
|
};
|
|
|
|
class Q_MULTIMEDIA_EXPORT QAbstractAudioOutput : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
virtual void start(QIODevice *device) = 0;
|
|
virtual QIODevice* start() = 0;
|
|
virtual void stop() = 0;
|
|
virtual void reset() = 0;
|
|
virtual void suspend() = 0;
|
|
virtual void resume() = 0;
|
|
virtual int bytesFree() const = 0;
|
|
virtual int periodSize() const = 0;
|
|
virtual void setBufferSize(int value) = 0;
|
|
virtual int bufferSize() const = 0;
|
|
virtual void setNotifyInterval(int milliSeconds) = 0;
|
|
virtual int notifyInterval() const = 0;
|
|
virtual qint64 processedUSecs() const = 0;
|
|
virtual qint64 elapsedUSecs() const = 0;
|
|
virtual QAudio::Error error() const = 0;
|
|
virtual QAudio::State state() const = 0;
|
|
virtual void setFormat(const QAudioFormat& fmt) = 0;
|
|
virtual QAudioFormat format() const = 0;
|
|
virtual void setVolume(qreal) {}
|
|
virtual qreal volume() const { return 1.0; }
|
|
virtual QString category() const { return QString(); }
|
|
virtual void setCategory(const QString &) { }
|
|
|
|
Q_SIGNALS:
|
|
void errorChanged(QAudio::Error error);
|
|
void stateChanged(QAudio::State state);
|
|
void notify();
|
|
};
|
|
|
|
class Q_MULTIMEDIA_EXPORT QAbstractAudioInput : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
virtual void start(QIODevice *device) = 0;
|
|
virtual QIODevice* start() = 0;
|
|
virtual void stop() = 0;
|
|
virtual void reset() = 0;
|
|
virtual void suspend() = 0;
|
|
virtual void resume() = 0;
|
|
virtual int bytesReady() const = 0;
|
|
virtual int periodSize() const = 0;
|
|
virtual void setBufferSize(int value) = 0;
|
|
virtual int bufferSize() const = 0;
|
|
virtual void setNotifyInterval(int milliSeconds) = 0;
|
|
virtual int notifyInterval() const = 0;
|
|
virtual qint64 processedUSecs() const = 0;
|
|
virtual qint64 elapsedUSecs() const = 0;
|
|
virtual QAudio::Error error() const = 0;
|
|
virtual QAudio::State state() const = 0;
|
|
virtual void setFormat(const QAudioFormat& fmt) = 0;
|
|
virtual QAudioFormat format() const = 0;
|
|
virtual void setVolume(qreal) = 0;
|
|
virtual qreal volume() const = 0;
|
|
|
|
Q_SIGNALS:
|
|
void errorChanged(QAudio::Error error);
|
|
void stateChanged(QAudio::State state);
|
|
void notify();
|
|
};
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
#endif // QAUDIOSYSTEM_H
|