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** $QT_BEGIN_LICENSE:LGPL$
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** 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
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****************************************************************************/
#ifndef QAUDIOSYSTEM_H
#define QAUDIOSYSTEM_H
#include <QtMultimedia/qtmultimediadefs.h>
#include <QtMultimedia/qmultimedia.h>
#include <QtMultimedia/qaudio.h>
#include <QtMultimedia/qaudioformat.h>
#include <QtMultimedia/qaudiodeviceinfo.h>
QT_BEGIN_NAMESPACE
// Required for QDoc workaround
class QString;
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);
void stateChanged(QAudio::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);
void stateChanged(QAudio::State);
void notify();
};
QT_END_NAMESPACE
#endif // QAUDIOSYSTEM_H
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