src/3rdparty/phonon/ds9/qpin.h
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/ds9/qpin.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,120 @@
+/*  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/QMutex>
+
+#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 QMutex m_mutex;
+            QBaseFilter * const 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;
+            IMemAllocator *m_memAlloc;
+        };
+
+        //utility function
+        class QAMMediaType : public AM_MEDIA_TYPE
+        {
+        public:
+            ~QAMMediaType() 
+            {
+                QPin::freeMediaType(*this);
+            }
+
+        };
+
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif //PHONON_QPIN_H