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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/3rdparty/phonon/ds9/qpin.h
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Long live Qt!
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diff --git a/src/3rdparty/phonon/ds9/qpin.h b/src/3rdparty/phonon/ds9/qpin.h
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+/* This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PHONON_QPIN_H
+#define PHONON_QPIN_H
+
+#include "phononds9_namespace.h"
+
+#include <QtCore/QString>
+#include <QtCore/QVector>
+#include <QtCore/QReadWriteLock>
+
+#include <dshow.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+ namespace DS9
+ {
+ class QBaseFilter;
+
+ //this is the base class for our self-implemented Pins
+ class QPin : public IPin
+ {
+ public:
+ QPin(QBaseFilter *parent, PIN_DIRECTION dir, const QVector<AM_MEDIA_TYPE> &mt);
+ virtual ~QPin();
+
+ //reimplementation from IUnknown
+ STDMETHODIMP QueryInterface(REFIID iid, void** out);
+ STDMETHODIMP_(ULONG) AddRef();
+ STDMETHODIMP_(ULONG) Release();
+
+ //reimplementation from IPin
+ STDMETHODIMP Connect(IPin *,const AM_MEDIA_TYPE *);
+ STDMETHODIMP ReceiveConnection(IPin *,const AM_MEDIA_TYPE *);
+ STDMETHODIMP Disconnect();
+ STDMETHODIMP ConnectedTo(IPin **);
+ STDMETHODIMP ConnectionMediaType(AM_MEDIA_TYPE *);
+ STDMETHODIMP QueryPinInfo(PIN_INFO *);
+ STDMETHODIMP QueryDirection(PIN_DIRECTION *);
+ STDMETHODIMP QueryId(LPWSTR*);
+ STDMETHODIMP QueryAccept(const AM_MEDIA_TYPE*);
+ STDMETHODIMP EnumMediaTypes(IEnumMediaTypes **);
+ STDMETHODIMP QueryInternalConnections(IPin **, ULONG*);
+ STDMETHODIMP EndOfStream();
+ STDMETHODIMP BeginFlush();
+ STDMETHODIMP EndFlush();
+ STDMETHODIMP NewSegment(REFERENCE_TIME, REFERENCE_TIME, double);
+
+ QVector<AM_MEDIA_TYPE> mediaTypes() const;
+
+ HRESULT setAcceptedMediaType(const AM_MEDIA_TYPE &);
+
+ bool isFlushing() const;
+ void setConnectedType(const AM_MEDIA_TYPE &type);
+ const AM_MEDIA_TYPE &connectedType() const;
+ void setConnected(IPin *pin);
+ IPin *connected(bool = false) const;
+ void setMemoryAllocator(IMemAllocator *alloc);
+ IMemAllocator *memoryAllocator(bool = false) const;
+ void createDefaultMemoryAllocator(ALLOCATOR_PROPERTIES * = 0);
+ PIN_DIRECTION direction() const;
+
+ FILTER_STATE filterState() const;
+
+ static AM_MEDIA_TYPE copyMediaType(const AM_MEDIA_TYPE &type);
+ static void freeMediaType(AM_MEDIA_TYPE *type);
+ static void freeMediaType(const AM_MEDIA_TYPE &type);
+
+ protected:
+ //this can be used by sub-classes
+ mutable QReadWriteLock m_lock;
+ QBaseFilter *m_parent;
+ bool m_flushing;
+
+ private:
+ HRESULT checkOutputMediaTypesConnection(IPin *pin);
+ HRESULT checkOwnMediaTypesConnection(IPin *pin);
+
+ LONG m_refCount;
+ IPin *m_connected;
+ const PIN_DIRECTION m_direction;
+ QVector<AM_MEDIA_TYPE> m_mediaTypes; //accepted media types
+ AM_MEDIA_TYPE m_connectedType;
+ QString m_name;
+ IMemAllocator *m_memAlloc;
+ };
+
+ //utility function
+ class QAMMediaType : public AM_MEDIA_TYPE
+ {
+ public:
+ ~QAMMediaType()
+ {
+ QPin::freeMediaType(*this);
+ }
+
+ };
+
+ }
+}
+
+QT_END_NAMESPACE
+
+#endif //PHONON_QPIN_H