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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MFDECODERSOURCEREADER_H
#define MFDECODERSOURCEREADER_H
#include <mfapi.h>
#include <mfidl.h>
#include <Mfreadwrite.h>
#include <QtCore/qobject.h>
#include <QtCore/qmutex.h>
#include "qaudioformat.h"
QT_USE_NAMESPACE
class MFDecoderSourceReader : public QObject, public IMFSourceReaderCallback
{
Q_OBJECT
public:
MFDecoderSourceReader(QObject *parent = 0);
void shutdown();
IMFMediaSource* mediaSource();
IMFMediaType* setSource(IMFMediaSource *source, const QAudioFormat &audioFormat);
void reset();
void readNextSample();
QList<IMFSample*> takeSamples(); //internal samples will be cleared after this
//from IUnknown
STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
//from IMFSourceReaderCallback
STDMETHODIMP OnReadSample(HRESULT hrStatus, DWORD dwStreamIndex,
DWORD dwStreamFlags, LONGLONG llTimestamp, IMFSample *pSample);
STDMETHODIMP OnFlush(DWORD dwStreamIndex);
STDMETHODIMP OnEvent(DWORD dwStreamIndex, IMFMediaEvent *pEvent);
Q_SIGNALS:
void sampleAdded();
void finished();
private:
long m_cRef;
QList<IMFSample*> m_cachedSamples;
QMutex m_samplesMutex;
IMFSourceReader *m_sourceReader;
IMFMediaSource *m_source;
};
#endif//MFDECODERSOURCEREADER_H
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