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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 DIRECTSHOWIOSOURCE_H
#define DIRECTSHOWIOSOURCE_H
#include "directshowglobal.h"
#include "directshowioreader.h"
#include "directshowmediatype.h"
#include "directshowmediatypelist.h"
#include <QtCore/qfile.h>
class DirectShowIOSource
: public DirectShowMediaTypeList
, public IBaseFilter
, public IAMFilterMiscFlags
, public IPin
{
public:
DirectShowIOSource(DirectShowEventLoop *loop);
virtual ~DirectShowIOSource();
void setDevice(QIODevice *device);
void setAllocator(IMemAllocator *allocator);
// IUnknown
HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject);
ULONG STDMETHODCALLTYPE AddRef();
ULONG STDMETHODCALLTYPE Release();
// IPersist
HRESULT STDMETHODCALLTYPE GetClassID(CLSID *pClassID);
// IMediaFilter
HRESULT STDMETHODCALLTYPE Run(REFERENCE_TIME tStart);
HRESULT STDMETHODCALLTYPE Pause();
HRESULT STDMETHODCALLTYPE Stop();
HRESULT STDMETHODCALLTYPE GetState(DWORD dwMilliSecsTimeout, FILTER_STATE *pState);
HRESULT STDMETHODCALLTYPE SetSyncSource(IReferenceClock *pClock);
HRESULT STDMETHODCALLTYPE GetSyncSource(IReferenceClock **ppClock);
// IBaseFilter
HRESULT STDMETHODCALLTYPE EnumPins(IEnumPins **ppEnum);
HRESULT STDMETHODCALLTYPE FindPin(LPCWSTR Id, IPin **ppPin);
HRESULT STDMETHODCALLTYPE JoinFilterGraph(IFilterGraph *pGraph, LPCWSTR pName);
HRESULT STDMETHODCALLTYPE QueryFilterInfo(FILTER_INFO *pInfo);
HRESULT STDMETHODCALLTYPE QueryVendorInfo(LPWSTR *pVendorInfo);
// IAMFilterMiscFlags
ULONG STDMETHODCALLTYPE GetMiscFlags();
// IPin
HRESULT STDMETHODCALLTYPE Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE Disconnect();
HRESULT STDMETHODCALLTYPE ConnectedTo(IPin **ppPin);
HRESULT STDMETHODCALLTYPE ConnectionMediaType(AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE QueryPinInfo(PIN_INFO *pInfo);
HRESULT STDMETHODCALLTYPE QueryId(LPWSTR *Id);
HRESULT STDMETHODCALLTYPE QueryAccept(const AM_MEDIA_TYPE *pmt);
HRESULT STDMETHODCALLTYPE EnumMediaTypes(IEnumMediaTypes **ppEnum);
HRESULT STDMETHODCALLTYPE QueryInternalConnections(IPin **apPin, ULONG *nPin);
HRESULT STDMETHODCALLTYPE EndOfStream();
HRESULT STDMETHODCALLTYPE BeginFlush();
HRESULT STDMETHODCALLTYPE EndFlush();
HRESULT STDMETHODCALLTYPE NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
HRESULT STDMETHODCALLTYPE QueryDirection(PIN_DIRECTION *pPinDir);
private:
HRESULT tryConnect(IPin *pin, const AM_MEDIA_TYPE *type);
volatile LONG m_ref;
FILTER_STATE m_state;
DirectShowIOReader *m_reader;
DirectShowEventLoop *m_loop;
IFilterGraph *m_graph;
IReferenceClock *m_clock;
IMemAllocator *m_allocator;
IPin *m_peerPin;
DirectShowMediaType m_mediaType;
QString m_filterName;
const QString m_pinId;
QMutex m_mutex;
};
#endif
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