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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SOURCERESOLVER_H
#define SOURCERESOLVER_H
#include "mfstream.h"
#include "qmediaresource.h"
class SourceResolver: public QObject, public IMFAsyncCallback
{
Q_OBJECT
public:
SourceResolver(QObject *parent);
~SourceResolver();
STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
HRESULT STDMETHODCALLTYPE Invoke(IMFAsyncResult *pAsyncResult);
HRESULT STDMETHODCALLTYPE GetParameters(DWORD*, DWORD*);
void load(QMediaResourceList& resources, QIODevice* stream);
void cancel();
void shutdown();
IMFMediaSource* mediaSource() const;
Q_SIGNALS:
void error(long hr);
void mediaSourceReady();
private:
class State : public IUnknown
{
public:
State(IMFSourceResolver *sourceResolver, bool fromStream);
~State();
STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
IMFSourceResolver* sourceResolver() const;
bool fromStream() const;
private:
long m_cRef;
IMFSourceResolver *m_sourceResolver;
bool m_fromStream;
};
long m_cRef;
IUnknown *m_cancelCookie;
IMFSourceResolver *m_sourceResolver;
IMFMediaSource *m_mediaSource;
MFStream *m_stream;
QMutex m_mutex;
};
#endif
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