qt-everywhere-src-5.15.1/qtmultimedia/src/multimedia/audio/qaudiosystemplugin.h

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#ifndef QAUDIOSYSTEMPLUGIN_H
#define QAUDIOSYSTEMPLUGIN_H

#include <QtCore/qstring.h>
#include <QtCore/qplugin.h>

#include <QtMultimedia/qtmultimediaglobal.h>
#include <QtMultimedia/qmultimedia.h>

#include <QtMultimedia/qaudioformat.h>
#include <QtMultimedia/qaudiodeviceinfo.h>
#include <QtMultimedia/qaudiosystem.h>

QT_BEGIN_NAMESPACE

struct Q_MULTIMEDIA_EXPORT QAudioSystemFactoryInterface
{
    virtual QList<QByteArray> availableDevices(QAudio::Mode) const = 0;
    virtual QAbstractAudioInput* createInput(const QByteArray& device) = 0;
    virtual QAbstractAudioOutput* createOutput(const QByteArray& device) = 0;
    virtual QAbstractAudioDeviceInfo* createDeviceInfo(const QByteArray& device, QAudio::Mode mode) = 0;
    virtual ~QAudioSystemFactoryInterface();
};

#define QAudioSystemFactoryInterface_iid \
    "org.qt-project.qt.audiosystemfactory/5.0"
Q_DECLARE_INTERFACE(QAudioSystemFactoryInterface, QAudioSystemFactoryInterface_iid)

class Q_MULTIMEDIA_EXPORT QAudioSystemPlugin : public QObject, public QAudioSystemFactoryInterface
{
    Q_OBJECT
    Q_INTERFACES(QAudioSystemFactoryInterface)

public:
    explicit QAudioSystemPlugin(QObject *parent = nullptr);
    ~QAudioSystemPlugin();

    QList<QByteArray> availableDevices(QAudio::Mode) const override = 0;
    QAbstractAudioInput* createInput(const QByteArray& device) override = 0;
    QAbstractAudioOutput* createOutput(const QByteArray& device) override = 0;
    QAbstractAudioDeviceInfo* createDeviceInfo(const QByteArray& device, QAudio::Mode mode) override = 0;
};

QT_END_NAMESPACE

#endif // QAUDIOSYSTEMPLUGIN_H