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/****************************************************************************
**
** Copyright (C) 2021 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 AVFIMAGECAPTURECONTROL_H
#define AVFIMAGECAPTURECONTROL_H
#import <AVFoundation/AVFoundation.h>
#include <QtCore/qqueue.h>
#include <QtCore/qsemaphore.h>
#include <QtCore/qsharedpointer.h>
#include <QtMultimedia/qcameraimagecapturecontrol.h>
#include "avfcamerasession.h"
#include "avfstoragelocation.h"
QT_BEGIN_NAMESPACE
class AVFImageCaptureControl : public QCameraImageCaptureControl
{
Q_OBJECT
public:
struct CaptureRequest {
int captureId;
QSharedPointer<QSemaphore> previewReady;
};
AVFImageCaptureControl(AVFCameraService *service, QObject *parent = nullptr);
~AVFImageCaptureControl();
bool isReadyForCapture() const override;
QCameraImageCapture::DriveMode driveMode() const override { return QCameraImageCapture::SingleImageCapture; }
void setDriveMode(QCameraImageCapture::DriveMode ) override {}
AVCaptureStillImageOutput *stillImageOutput() const {return m_stillImageOutput;}
int capture(const QString &fileName) override;
void cancelCapture() override;
private Q_SLOTS:
void updateCaptureConnection();
void updateReadyStatus();
void onNewViewfinderFrame(const QVideoFrame &frame);
private:
void makeCapturePreview(CaptureRequest request, const QVideoFrame &frame, int rotation);
AVFCameraService *m_service;
AVFCameraSession *m_session;
AVFCameraControl *m_cameraControl;
bool m_ready;
int m_lastCaptureId;
AVCaptureStillImageOutput *m_stillImageOutput;
AVCaptureConnection *m_videoConnection;
AVFStorageLocation m_storageLocation;
QMutex m_requestsMutex;
QQueue<CaptureRequest> m_captureRequests;
};
Q_DECLARE_TYPEINFO(AVFImageCaptureControl::CaptureRequest, Q_PRIMITIVE_TYPE);
QT_END_NAMESPACE
#endif
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