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// Copyright (C) 2022 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 QAVFCAMERA_H
#define QAVFCAMERA_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 "qavfcamerabase_p.h"
#include <private/qplatformmediaintegration_p.h>
#include <private/qvideooutputorientationhandler_p.h>
#define AVMediaType XAVMediaType
#include "qffmpeghwaccel_p.h"
#undef AVMediaType
#include <qfilesystemwatcher.h>
#include <qsocketnotifier.h>
#include <qmutex.h>
#include <dispatch/dispatch.h>
Q_FORWARD_DECLARE_OBJC_CLASS(AVCaptureSession);
Q_FORWARD_DECLARE_OBJC_CLASS(AVCaptureDeviceInput);
Q_FORWARD_DECLARE_OBJC_CLASS(AVCaptureVideoDataOutput);
Q_FORWARD_DECLARE_OBJC_CLASS(AVCaptureDevice);
Q_FORWARD_DECLARE_OBJC_CLASS(QAVFSampleBufferDelegate);
QT_BEGIN_NAMESPACE
class QFFmpegVideoSink;
class QAVFCamera : public QAVFCameraBase
{
Q_OBJECT
public:
explicit QAVFCamera(QCamera *parent);
~QAVFCamera();
bool isActive() const override;
void setActive(bool active) override;
void setCaptureSession(QPlatformMediaCaptureSession *) override;
void setCamera(const QCameraDevice &camera) override;
bool setCameraFormat(const QCameraFormat &format) override;
void syncHandleFrame(const QVideoFrame &frame);
void deviceOrientationChanged(int angle = -1);
std::optional<int> ffmpegHWPixelFormat() const override { return hwPixelFormat; }
private:
void requestCameraPermissionIfNeeded();
void cameraAuthorizationChanged(bool authorized);
void updateCameraFormat();
void updateVideoInput();
void attachVideoInputDevice();
std::uint32_t setPixelFormat(const QVideoFrameFormat::PixelFormat pixelFormat);
AVCaptureDevice *device() const;
QMediaCaptureSession *m_session = nullptr;
AVCaptureSession *m_captureSession = nullptr;
AVCaptureDeviceInput *m_videoInput = nullptr;
AVCaptureVideoDataOutput *m_videoDataOutput = nullptr;
QAVFSampleBufferDelegate *m_sampleBufferDelegate = nullptr;
dispatch_queue_t m_delegateQueue;
QVideoOutputOrientationHandler m_orientationHandler;
AVPixelFormat hwPixelFormat = AV_PIX_FMT_NONE;
};
QT_END_NAMESPACE
#endif // QFFMPEGCAMERA_H
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