d44a327da4
Our custom filter that streams the data into the pipeline was incorrectly negotiating the sample type with the downstream filter. This also fixes playback when passing a QIODevice to QMediaPlayer. Task-number: QTBUG-46899 Change-Id: Iea8b8731d5404c416c8ed0d59cb61958b13b61b0 Reviewed-by: Christian Stromme <christian.stromme@qt.io>
130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef DIRECTSHOWIOSOURCE_H
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#define DIRECTSHOWIOSOURCE_H
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#include "directshowglobal.h"
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#include "directshowioreader.h"
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#include "directshowmediatype.h"
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#include "directshowmediatypelist.h"
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#include <QtCore/qfile.h>
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class DirectShowIOSource
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: public DirectShowMediaTypeList
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, public IBaseFilter
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, public IAMFilterMiscFlags
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, public IPin
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{
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public:
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DirectShowIOSource(DirectShowEventLoop *loop);
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virtual ~DirectShowIOSource();
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void setDevice(QIODevice *device);
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void setAllocator(IMemAllocator *allocator);
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// IUnknown
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HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject);
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ULONG STDMETHODCALLTYPE AddRef();
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ULONG STDMETHODCALLTYPE Release();
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// IPersist
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HRESULT STDMETHODCALLTYPE GetClassID(CLSID *pClassID);
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// IMediaFilter
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HRESULT STDMETHODCALLTYPE Run(REFERENCE_TIME tStart);
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HRESULT STDMETHODCALLTYPE Pause();
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HRESULT STDMETHODCALLTYPE Stop();
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HRESULT STDMETHODCALLTYPE GetState(DWORD dwMilliSecsTimeout, FILTER_STATE *pState);
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HRESULT STDMETHODCALLTYPE SetSyncSource(IReferenceClock *pClock);
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HRESULT STDMETHODCALLTYPE GetSyncSource(IReferenceClock **ppClock);
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// IBaseFilter
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HRESULT STDMETHODCALLTYPE EnumPins(IEnumPins **ppEnum);
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HRESULT STDMETHODCALLTYPE FindPin(LPCWSTR Id, IPin **ppPin);
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HRESULT STDMETHODCALLTYPE JoinFilterGraph(IFilterGraph *pGraph, LPCWSTR pName);
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HRESULT STDMETHODCALLTYPE QueryFilterInfo(FILTER_INFO *pInfo);
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HRESULT STDMETHODCALLTYPE QueryVendorInfo(LPWSTR *pVendorInfo);
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// IAMFilterMiscFlags
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ULONG STDMETHODCALLTYPE GetMiscFlags();
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// IPin
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HRESULT STDMETHODCALLTYPE Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt);
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HRESULT STDMETHODCALLTYPE ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt);
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HRESULT STDMETHODCALLTYPE Disconnect();
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HRESULT STDMETHODCALLTYPE ConnectedTo(IPin **ppPin);
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HRESULT STDMETHODCALLTYPE ConnectionMediaType(AM_MEDIA_TYPE *pmt);
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HRESULT STDMETHODCALLTYPE QueryPinInfo(PIN_INFO *pInfo);
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HRESULT STDMETHODCALLTYPE QueryId(LPWSTR *Id);
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HRESULT STDMETHODCALLTYPE QueryAccept(const AM_MEDIA_TYPE *pmt);
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HRESULT STDMETHODCALLTYPE EnumMediaTypes(IEnumMediaTypes **ppEnum);
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HRESULT STDMETHODCALLTYPE QueryInternalConnections(IPin **apPin, ULONG *nPin);
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HRESULT STDMETHODCALLTYPE EndOfStream();
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HRESULT STDMETHODCALLTYPE BeginFlush();
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HRESULT STDMETHODCALLTYPE EndFlush();
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HRESULT STDMETHODCALLTYPE NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
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HRESULT STDMETHODCALLTYPE QueryDirection(PIN_DIRECTION *pPinDir);
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private:
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volatile LONG m_ref;
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FILTER_STATE m_state;
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DirectShowIOReader *m_reader;
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DirectShowEventLoop *m_loop;
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IFilterGraph *m_graph;
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IReferenceClock *m_clock;
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IMemAllocator *m_allocator;
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IPin *m_peerPin;
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DirectShowMediaType m_outputType;
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QString m_filterName;
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const QString m_pinId;
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bool m_queriedForAsyncReader;
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QMutex m_mutex;
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};
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#endif
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