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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 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(const QUrl &url, 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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