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/****************************************************************************
**
** Copyright (C) 2016 Denis Shienkov <denis.shienkov@gmail.com>
** 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 CAMERABINV4LIMAGEPROCESSINGCONTROL_H
#define CAMERABINV4LIMAGEPROCESSINGCONTROL_H
#include <qcamera.h>
#include <qcameraimageprocessingcontrol.h>
QT_BEGIN_NAMESPACE
class CameraBinSession;
class CameraBinV4LImageProcessing : public QCameraImageProcessingControl
{
Q_OBJECT
public:
CameraBinV4LImageProcessing(CameraBinSession *session);
virtual ~CameraBinV4LImageProcessing();
bool isParameterSupported(ProcessingParameter) const override;
bool isParameterValueSupported(ProcessingParameter parameter, const QVariant &value) const override;
QVariant parameter(ProcessingParameter parameter) const override;
void setParameter(ProcessingParameter parameter, const QVariant &value) override;
public slots:
void updateParametersInfo(QCamera::Status cameraStatus);
private:
struct SourceParameterValueInfo {
SourceParameterValueInfo()
: cid(0)
{
}
qint32 defaultValue;
qint32 minimumValue;
qint32 maximumValue;
quint32 cid; // V4L control id
};
static qreal scaledImageProcessingParameterValue(
qint32 sourceValue, const SourceParameterValueInfo &sourceValueInfo);
static qint32 sourceImageProcessingParameterValue(
qreal scaledValue, const SourceParameterValueInfo &valueRange);
private:
CameraBinSession *m_session;
QMap<ProcessingParameter, SourceParameterValueInfo> m_parametersInfo;
};
QT_END_NAMESPACE
#endif // CAMERABINV4LIMAGEPROCESSINGCONTROL_H
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