qgstreamervideodevices_p.h

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QGSTREAMERMEDIADEVICES_H
#define QGSTREAMERMEDIADEVICES_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <private/qplatformvideodevices_p.h>
#include <gst/gst.h>
#include <qaudiodevice.h>
#include <vector>
 
#include <common/qgst_handle_types_p.h>
#include <common/qgst_bus_observer_p.h>
 
QT_BEGIN_NAMESPACE
 
class QGstreamerVideoDevices final : public QPlatformVideoDevices,
                                     private QGstreamerBusMessageFilter
{
public:
    explicit QGstreamerVideoDevices(QPlatformMediaIntegration *integration);
    ~QGstreamerVideoDevices() override;
 
    GstDevice *videoDevice(const QByteArray &id) const;
 
    void addDevice(QGstDeviceHandle);
    void removeDevice(QGstDeviceHandle);
 
protected:
    QList<QCameraDevice> findVideoInputs() const override;
 
private:
    bool processBusMessage(const QGstreamerMessage &message) override;
 
    struct QGstRecordDevice
    {
        QGstDeviceHandle gstDevice;
        QByteArray id;
    };
 
    quint64 m_idGenerator = 0;
    std::vector<QGstRecordDevice> m_videoSources;
 
    QGstDeviceMonitorHandle m_deviceMonitor;
    QGstBusObserver m_busObserver;
};
 
QT_END_NAMESPACE
 
#endif