1 /*  This file is part of the KDE project.

     2 

     3 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 

     5 This library is free software: you can redistribute it and/or modify

     6 it under the terms of the GNU Lesser General Public License as published by

     7 the Free Software Foundation, either version 2.1 or 3 of the License.

     8 

     9 This library is distributed in the hope that it will be useful,

    10 but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 GNU Lesser General Public License for more details.

    13 

    14 You should have received a copy of the GNU Lesser General Public License

    15 along with this library.  If not, see <http://www.gnu.org/licenses/>.

    16 */

    17 

    18 #ifndef PHONON_QMEMINPUTPIN_H

    19 #define PHONON_QMEMINPUTPIN_H

    20 

    21 

    22 #include <QtCore/QList>

    23 #include <QtCore/QMutex>

    24 #include "qpin.h"

    25 

    26 #include <dshow.h>

    27 

    28 QT_BEGIN_NAMESPACE

    29 

    30 namespace Phonon

    31 {

    32     namespace DS9

    33     {

    34         class QBaseFilter;

    35 

    36         //this class will be used for our effects

    37         class QMemInputPin : public QPin, public IMemInputPin

    38         {

    39         public:

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

    41             ~QMemInputPin();

    42 

    43             //reimplementation from IUnknown

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

    45             STDMETHODIMP_(ULONG) AddRef();

    46             STDMETHODIMP_(ULONG) Release();

    47 

    48             //reimplementation from IPin

    49             STDMETHODIMP ReceiveConnection(IPin *,const AM_MEDIA_TYPE *);

    50             STDMETHODIMP BeginFlush();

    51             STDMETHODIMP EndFlush();

    52             STDMETHODIMP EndOfStream();

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

    54 

    55             //reimplementation from IMemAllocator

    56             STDMETHODIMP GetAllocator(IMemAllocator **);

    57             STDMETHODIMP NotifyAllocator(IMemAllocator *,BOOL);

    58             STDMETHODIMP GetAllocatorRequirements(ALLOCATOR_PROPERTIES *);

    59             STDMETHODIMP Receive(IMediaSample *);

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

    61             STDMETHODIMP ReceiveCanBlock();

    62 

    63         private:

    64             IMediaSample *duplicateSampleForOutput(IMediaSample *, IMemAllocator *);

    65             ALLOCATOR_PROPERTIES getDefaultAllocatorProperties() const;

    66 

    67             bool m_shouldDuplicateSamples;

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

    69             QPin* const m_output;

    70             QMutex m_mutexReceive;

    71         };

    72     }

    73 }

    74 

    75 QT_END_NAMESPACE

    76 

    77 #endif