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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
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**
******************************************************************************/
#ifndef QWINDOWSMEDIADEVICESESSION_H
#define QWINDOWSMEDIADEVICESESSION_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/qtmultimediaglobal_p.h>
#include <qcamera.h>
#include <qaudiodevice.h>
#include <qwindowsmultimediautils_p.h>
#include <qplatformmediarecorder_p.h>
QT_BEGIN_NAMESPACE
class QAudioInput;
class QAudioOutput;
class QVideoSink;
class QWindowsMediaDeviceReader;
class QWindowsMediaDeviceSession : public QObject
{
Q_OBJECT
public:
explicit QWindowsMediaDeviceSession(QObject *parent = nullptr);
~QWindowsMediaDeviceSession();
bool isActive() const;
void setActive(bool active);
bool isActivating() const;
void setActiveCamera(const QCameraDevice &camera);
QCameraDevice activeCamera() const;
void setCameraFormat(const QCameraFormat &cameraFormat);
void setVideoSink(QVideoSink *surface);
public Q_SLOTS:
void setAudioInputMuted(bool muted);
void setAudioInputVolume(float volume);
void audioInputDeviceChanged();
void setAudioOutputMuted(bool muted);
void setAudioOutputVolume(float volume);
void audioOutputDeviceChanged();
public:
void setAudioInput(QAudioInput *input);
void setAudioOutput(QAudioOutput *output);
QMediaRecorder::Error startRecording(QMediaEncoderSettings &settings, const QString &fileName, bool audioOnly);
void stopRecording();
bool pauseRecording();
bool resumeRecording();
Q_SIGNALS:
void activeChanged(bool);
void readyForCaptureChanged(bool);
void durationChanged(qint64 duration);
void recordingStarted();
void recordingStopped();
void streamingError(int errorCode);
void recordingError(int errorCode);
void videoFrameChanged(const QVideoFrame &frame);
private Q_SLOTS:
void handleStreamingStarted();
void handleStreamingStopped();
void handleStreamingError(int errorCode);
void handleVideoFrameChanged(const QVideoFrame &frame);
private:
void reactivate();
quint32 estimateVideoBitRate(const GUID &videoFormat, quint32 width, quint32 height,
qreal frameRate, QMediaRecorder::Quality quality);
quint32 estimateAudioBitRate(const GUID &audioFormat, QMediaRecorder::Quality quality);
bool m_active = false;
bool m_activating = false;
QCameraDevice m_activeCameraDevice;
QCameraFormat m_cameraFormat;
QWindowsMediaDeviceReader *m_mediaDeviceReader = nullptr;
QAudioInput *m_audioInput = nullptr;
QAudioOutput *m_audioOutput = nullptr;
QVideoSink *m_surface = nullptr;
};
QT_END_NAMESPACE
#endif // QWINDOWSMEDIADEVICESESSION_H
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