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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SOURCERESOLVER_H
#define SOURCERESOLVER_H
#include "mfstream.h"
#include "qmediaresource.h"
class SourceResolver: public QObject, public IMFAsyncCallback
{
Q_OBJECT
public:
SourceResolver();
~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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