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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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, quint8 *buffer, long len);
private:
IBaseFilter *m_filter;
ISampleGrabber *m_sampleGrabber;
SampleGrabberCallbackPrivate *m_sampleGabberCb;
CallbackMethod m_callbackType;
};
QT_END_NAMESPACE
#endif // DIRECTSHOWSAMPLEGRABBER_H
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