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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 DIRECTSHOWSAMPLEGRABBER_H
#define DIRECTSHOWSAMPLEGRABBER_H
#include <QtCore/qglobal.h>
#include <QtCore/qobject.h>
// TODO: Fix this.
#include <directshowcameraglobal.h>
QT_BEGIN_NAMESPACE
class SampleGrabberCallbackPrivate;
class DirectShowSampleGrabber : public QObject
{
Q_OBJECT
public:
DirectShowSampleGrabber(QObject *p = nullptr);
~DirectShowSampleGrabber();
// 0 = ISampleGrabberCB::SampleCB, 1 = ISampleGrabberCB::BufferCB
enum class CallbackMethod : long
{
SampleCB,
BufferCB
};
bool isValid() const { return m_filter && m_sampleGrabber; }
bool getConnectedMediaType(AM_MEDIA_TYPE *mediaType);
bool setMediaType(const AM_MEDIA_TYPE *mediaType);
void stop();
void start(CallbackMethod method, bool oneShot = false, bool bufferSamples = false);
IBaseFilter *filter() const { return m_filter; }
Q_SIGNALS:
void sampleAvailable(double time, IMediaSample *sample);
void bufferAvailable(double time, const QByteArray &data);
private:
IBaseFilter *m_filter = nullptr;
ISampleGrabber *m_sampleGrabber = nullptr;
SampleGrabberCallbackPrivate *m_sampleGabberCb = nullptr;
CallbackMethod m_callbackType= CallbackMethod::BufferCB;
};
QT_END_NAMESPACE
#endif // DIRECTSHOWSAMPLEGRABBER_H
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