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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 QANDROIDCAMERA_H
#define QANDROIDCAMERA_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 "qffmpeghwaccel_p.h"
#include <private/qplatformcamera_p.h>
#include <QObject>
#include <QJniObject>
QT_BEGIN_NAMESPACE
class QVideoFrame;
class QAndroidCamera : public QPlatformCamera
{
Q_OBJECT
public:
enum State { Closed, WaitingOpen, WaitingStart, Started };
explicit QAndroidCamera(QCamera *camera);
~QAndroidCamera() override;
bool isActive() const override { return m_state == State::Started; }
bool isFlashModeSupported(QCamera::FlashMode mode) const override;
bool isFlashReady() const override;
bool isTorchModeSupported(QCamera::TorchMode mode) const override;
void setActive(bool active) override;
void setCamera(const QCameraDevice &camera) override;
bool setCameraFormat(const QCameraFormat &format) override;
void setFlashMode(QCamera::FlashMode mode) override;
void setTorchMode(QCamera::TorchMode mode) override;
void zoomTo(float factor, float rate) override;
std::optional<int> ffmpegHWPixelFormat() const override;
static bool registerNativeMethods();
void capture();
void updateExif(const QString &filename);
public slots:
void onApplicationStateChanged();
void onCameraOpened();
void onCameraDisconnect();
void onCameraError(int error);
void frameAvailable(QJniObject image, bool takePhoto = false);
void onCaptureSessionConfigured();
void onCaptureSessionConfigureFailed();
void onCaptureSessionFailed(int reason, long frameNumber);
void onSessionActive();
void onSessionClosed();
Q_SIGNALS:
void onCaptured(const QVideoFrame&);
private:
bool isActivating() const { return m_state != State::Closed; }
void setState(State newState);
QtVideo::Rotation rotation();
void updateCameraCharacteristics();
void cleanCameraCharacteristics();
State m_state = State::Closed;
QCameraDevice m_cameraDevice;
long lastTimestamp = 0;
QJniObject m_jniCamera;
std::unique_ptr<QFFmpeg::HWAccel> m_hwAccel;
QVideoFrameFormat::PixelFormat m_androidFramePixelFormat;
QList<QCamera::FlashMode> m_supportedFlashModes;
bool m_waitingForFirstFrame = false;
bool m_TorchModeSupported = false;
bool m_wasActive = false;
};
QT_END_NAMESPACE
#endif // QANDROIDCAMERA_H
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