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Diffstat (limited to 'src/plugins/directshow/player/videosurfacefilter.h')
| -rw-r--r-- | src/plugins/directshow/player/videosurfacefilter.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/plugins/directshow/player/videosurfacefilter.h b/src/plugins/directshow/player/videosurfacefilter.h new file mode 100644 index 000000000..a58971630 --- /dev/null +++ b/src/plugins/directshow/player/videosurfacefilter.h @@ -0,0 +1,176 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef VIDEOSURFACEFILTER_H +#define VIDEOSURFACEFILTER_H + +#include "directshowglobal.h" +#include "directshowmediatypelist.h" +#include "directshowsamplescheduler.h" +#include "directshowmediatype.h" + +#include <QtCore/qbasictimer.h> +#include <QtCore/qcoreevent.h> +#include <QtCore/qmutex.h> +#include <QtCore/qsemaphore.h> +#include <QtCore/qstring.h> +#include <QtCore/qwaitcondition.h> + +#include <dshow.h> + +QT_BEGIN_NAMESPACE +class QAbstractVideoSurface; +QT_END_NAMESPACE + +class DirectShowEventLoop; + +class VideoSurfaceFilter + : public QObject + , public DirectShowMediaTypeList + , public IBaseFilter + , public IAMFilterMiscFlags + , public IPin +{ + Q_OBJECT +public: + VideoSurfaceFilter( + QAbstractVideoSurface *surface, DirectShowEventLoop *loop, QObject *parent = 0); + ~VideoSurfaceFilter(); + + // 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); + + int currentMediaTypeToken(); + HRESULT nextMediaType( + int token, int *index, ULONG count, AM_MEDIA_TYPE **types, ULONG *fetchedCount); + HRESULT skipMediaType(int token, int *index, ULONG count); + HRESULT cloneMediaType(int token, int index, IEnumMediaTypes **enumeration); + +protected: + void customEvent(QEvent *event); + +private Q_SLOTS: + void supportedFormatsChanged(); + void sampleReady(); + +private: + HRESULT start(); + void stop(); + void flush(); + + enum + { + StartSurface = QEvent::User, + StopSurface, + FlushSurface + }; + + LONG m_ref; + FILTER_STATE m_state; + QAbstractVideoSurface *m_surface; + DirectShowEventLoop *m_loop; + IFilterGraph *m_graph; + IPin *m_peerPin; + int m_bytesPerLine; + HRESULT m_startResult; + QString m_name; + QString m_pinId; + DirectShowMediaType m_mediaType; + QVideoSurfaceFormat m_surfaceFormat; + QMutex m_mutex; + QWaitCondition m_wait; + DirectShowSampleScheduler m_sampleScheduler; +}; + +#endif |