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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 AVFCAMERAIMAGECAPTURE_H
#define AVFCAMERAIMAGECAPTURE_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.
//
#import <AVFoundation/AVFoundation.h>
#include <QtCore/qqueue.h>
#include <QtCore/qsemaphore.h>
#include <QtCore/qsharedpointer.h>
#include <private/qplatformimagecapture_p.h>
#include "avfcamerasession_p.h"
QT_BEGIN_NAMESPACE
class AVFImageCapture : public QPlatformImageCapture
{
Q_OBJECT
public:
struct CaptureRequest {
int captureId;
QSharedPointer<QSemaphore> previewReady;
};
AVFImageCapture(QImageCapture *parent = nullptr);
~AVFImageCapture();
bool isReadyForCapture() const override;
AVCaptureStillImageOutput *stillImageOutput() const {return m_stillImageOutput;}
int doCapture(const QString &fileName);
int capture(const QString &fileName) override;
int captureToBuffer() override;
QImageEncoderSettings imageSettings() const override;
void setImageSettings(const QImageEncoderSettings &settings) override;
bool applySettings();
void setCaptureSession(QPlatformMediaCaptureSession *session);
private Q_SLOTS:
void updateCaptureConnection();
void updateReadyStatus();
void onNewViewfinderFrame(const QVideoFrame &frame);
void onCameraChanged();
private:
void makeCapturePreview(CaptureRequest request, const QVideoFrame &frame, int rotation);
bool videoCaptureDeviceIsValid() const;
AVFCameraService *m_service = nullptr;
AVFCameraSession *m_session = nullptr;
AVFCamera *m_cameraControl = nullptr;
bool m_ready = false;
int m_lastCaptureId = 0;
AVCaptureStillImageOutput *m_stillImageOutput;
AVCaptureConnection *m_videoConnection = nullptr;
QMutex m_requestsMutex;
QQueue<CaptureRequest> m_captureRequests;
QImageEncoderSettings m_settings;
};
Q_DECLARE_TYPEINFO(AVFImageCapture::CaptureRequest, Q_PRIMITIVE_TYPE);
QT_END_NAMESPACE
#endif
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