1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* 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
|
