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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 AVFCAMERARENDERER_H
#define AVFCAMERARENDERER_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 <QtCore/qobject.h>
#include <QtMultimedia/qvideoframe.h>
#include <QtCore/qmutex.h>
#include <private/avfvideosink_p.h>
#include <private/qvideooutputorientationhandler_p.h>
#include <CoreVideo/CVBase.h>
#include <CoreVideo/CVPixelBuffer.h>
#include <CoreVideo/CVImageBuffer.h>
#ifdef Q_OS_IOS
#include <CoreVideo/CVOpenGLESTexture.h>
#include <CoreVideo/CVOpenGLESTextureCache.h>
#endif
#include <dispatch/dispatch.h>
Q_FORWARD_DECLARE_OBJC_CLASS(AVFCaptureFramesDelegate);
Q_FORWARD_DECLARE_OBJC_CLASS(AVCaptureVideoDataOutput);
QT_BEGIN_NAMESPACE
class AVFCameraSession;
class AVFCameraService;
class AVFCameraRenderer;
class AVFVideoSink;
class AVFCameraRenderer : public QObject, public AVFVideoSinkInterface
{
Q_OBJECT
public:
AVFCameraRenderer(QObject *parent = nullptr);
~AVFCameraRenderer();
void reconfigure() override;
void setOutputSettings(NSDictionary *settings) override;
void configureAVCaptureSession(AVFCameraSession *cameraSession);
void syncHandleViewfinderFrame(const QVideoFrame &frame);
AVCaptureVideoDataOutput *videoDataOutput() const;
AVFCaptureFramesDelegate *captureDelegate() const;
void resetCaptureDelegate() const;
void setPixelFormat(const QVideoFrameFormat::PixelFormat format);
Q_SIGNALS:
void newViewfinderFrame(const QVideoFrame &frame);
private Q_SLOTS:
void handleViewfinderFrame();
void updateCaptureConnection();
public Q_SLOTS:
void deviceOrientationChanged(int angle = -1);
private:
AVFCaptureFramesDelegate *m_viewfinderFramesDelegate = nullptr;
AVFCameraSession *m_cameraSession = nullptr;
AVCaptureVideoDataOutput *m_videoDataOutput = nullptr;
bool m_needsHorizontalMirroring = false;
#ifdef Q_OS_IOS
CVOpenGLESTextureCacheRef m_textureCache = nullptr;
#endif
QVideoFrame m_lastViewfinderFrame;
QMutex m_vfMutex;
dispatch_queue_t m_delegateQueue;
QVideoOutputOrientationHandler m_orientationHandler;
friend class CVImageVideoBuffer;
};
QT_END_NAMESPACE
#endif
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