/*  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_QMEMINPUTPIN_H

#define PHONON_QMEMINPUTPIN_H

#include <QtCore/QList>

#include <QtCore/QMutex>

#include "qpin.h"

#include <dshow.h>

QT_BEGIN_NAMESPACE

namespace Phonon

{

    namespace DS9

    {

        class QBaseFilter;

        //this class will be used for our effects

        class QMemInputPin : public QPin, public IMemInputPin

        {

        public:

            QMemInputPin(QBaseFilter *, const QVector<AM_MEDIA_TYPE> &, bool transform, QPin *output);

            ~QMemInputPin();

            //reimplementation from IUnknown

            STDMETHODIMP QueryInterface(REFIID iid, void** out);

            STDMETHODIMP_(ULONG) AddRef();

            STDMETHODIMP_(ULONG) Release();

            //reimplementation from IPin

            STDMETHODIMP ReceiveConnection(IPin *,const AM_MEDIA_TYPE *);

            STDMETHODIMP BeginFlush();

            STDMETHODIMP EndFlush();

            STDMETHODIMP EndOfStream();

            STDMETHODIMP NewSegment(REFERENCE_TIME start, REFERENCE_TIME stop, double rate);

            //reimplementation from IMemAllocator

            STDMETHODIMP GetAllocator(IMemAllocator **);

            STDMETHODIMP NotifyAllocator(IMemAllocator *,BOOL);

            STDMETHODIMP GetAllocatorRequirements(ALLOCATOR_PROPERTIES *);

            STDMETHODIMP Receive(IMediaSample *);

            STDMETHODIMP ReceiveMultiple(IMediaSample **,long,long *);

            STDMETHODIMP ReceiveCanBlock();

        private:

            IMediaSample *duplicateSampleForOutput(IMediaSample *, IMemAllocator *);

            ALLOCATOR_PROPERTIES getDefaultAllocatorProperties() const;

            bool m_shouldDuplicateSamples;

            const bool m_transform; //defines if the pin is transforming the samples

            QPin* const m_output;

            QMutex m_mutexReceive;

        };

    }

}

QT_END_NAMESPACE

#endif