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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (C) 2008-2012, OctaneSnail <os@v12pwr.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OUTPUT_PIN_H
#define OUTPUT_PIN_H
#include "List.h"
class CRARFileSource;
class CRFSFile;
class CRFSFilePart;
class SubRequest : public CRFSNode<SubRequest>
{
public:
SubRequest (void) : file (INVALID_HANDLE_VALUE), expected (0)
{ memset (&o, 0, sizeof (OVERLAPPED)); o.hEvent = INVALID_HANDLE_VALUE; }
~SubRequest (void) { if (o.hEvent != INVALID_HANDLE_VALUE) CloseHandle (o.hEvent); }
HANDLE file;
DWORD expected;
OVERLAPPED o;
};
class ReadRequest : public CRFSNode<ReadRequest>
{
public:
~ReadRequest (void) { subreqs.Clear (); }
DWORD_PTR dwUser;
IMediaSample *pSample;
DWORD count;
CRFSList<SubRequest> subreqs;
};
class CRFSOutputPin :
public CBasePin,
public IAsyncReader
{
public:
CRFSOutputPin (CRARFileSource *pFilter, CCritSec *pLock, HRESULT *phr);
~CRFSOutputPin (void);
DECLARE_IUNKNOWN;
// Reveals IAsyncReader
STDMETHODIMP NonDelegatingQueryInterface (REFIID riid, void **ppv);
// IPin interface
STDMETHODIMP Connect (IPin *pReceivePin, const AM_MEDIA_TYPE *pmt);
// CBasePin
HRESULT GetMediaType (int iPosition, CMediaType *pMediaType);
HRESULT CheckMediaType (const CMediaType* pType);
HRESULT CheckConnect (IPin *pPin);
HRESULT CompleteConnect (IPin *pReceivePin);
HRESULT BreakConnect ();
// IAsyncReader interface
STDMETHODIMP RequestAllocator (IMemAllocator *pPreferred, ALLOCATOR_PROPERTIES *pProps, IMemAllocator **ppActual);
STDMETHODIMP Request (IMediaSample* pSample, DWORD_PTR dwUser);
STDMETHODIMP WaitForNext (DWORD dwTimeout, IMediaSample **ppSample, DWORD_PTR *pdwUser);
STDMETHODIMP SyncReadAligned (IMediaSample *pSample);
STDMETHODIMP SyncRead (LONGLONG llPosition, LONG lLength, BYTE *pBuffer);
STDMETHODIMP Length (LONGLONG *pTotal, LONGLONG *pAvailable);
STDMETHODIMP BeginFlush (void);
STDMETHODIMP EndFlush (void);
void SetFile (CRFSFile *file) { m_file = file; }
private:
DWORD m_align;
BOOL m_asked_for_reader;
CRFSFile *m_file;
BOOL m_flush;
HANDLE m_event;
CRFSList<ReadRequest> m_requests;
CCritSec m_lock;
HRESULT ConvertSample (IMediaSample *sample, LONGLONG *pos, DWORD *length, BYTE **buffer);
HRESULT DoFlush (IMediaSample **ppSample, DWORD_PTR *pdwUser);
BOOL IsAligned (INT_PTR l) { return !(l & (m_align - 1)); }
};
#endif // OUTPUT_PIN_H
|
