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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowfakesrc.cpp:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshowfakesrc.h"
const GUID CLSID_DecodeFakeSrc =
{ 0x039527db, 0x6b48, 0x45a7, { 0xab, 0xcf, 0x21, 0xab, 0xc5, 0x44, 0xbb, 0xb6} };
static CCritSec g_pCriticSec;
/* output pin*/
FakeOutputPin::FakeOutputPin (CBaseFilter *pFilter, CCritSec *sec):
CBaseOutputPin("FakeOutputPin", pFilter, sec, &m_hres, L"output")
{
}
FakeOutputPin::~FakeOutputPin()
{
}
HRESULT FakeOutputPin::GetMediaType(int iPosition,
CMediaType *pMediaType)
{
if(iPosition == 0) {
*pMediaType = m_MediaType;
return S_OK;
}
return VFW_S_NO_MORE_ITEMS;
}
HRESULT FakeOutputPin::CheckMediaType(const CMediaType *pmt)
{
if (m_MediaType == *pmt) {
return S_OK;
}
return S_FALSE;
}
HRESULT FakeOutputPin::DecideBufferSize (IMemAllocator *pAlloc,
ALLOCATOR_PROPERTIES *ppropInputRequest)
{
ALLOCATOR_PROPERTIES properties;
ppropInputRequest->cbBuffer = m_SampleSize;
ppropInputRequest->cBuffers = 1;
HRESULT hres = pAlloc->SetProperties(ppropInputRequest, &properties);
pAlloc->Commit();
return S_OK;
}
STDMETHODIMP FakeOutputPin::SetMediaType (AM_MEDIA_TYPE *pmt)
{
m_MediaType.Set (*pmt);
m_SampleSize = m_MediaType.GetSampleSize();
return S_OK;
}
STDMETHODIMP FakeOutputPin::PushBuffer(byte *buffer,
__int64 start, __int64 stop,
unsigned int size, bool discont)
{
IMediaSample *pSample = NULL;
if (start != -1) {
start /= 100;
stop /= 100;
}
HRESULT hres = GetDeliveryBuffer(&pSample, NULL, NULL, 0);
if (hres == S_OK && pSample)
{
BYTE *sample_buffer;
pSample->GetPointer(&sample_buffer);
if(sample_buffer)
{
memcpy (sample_buffer, buffer, size);
pSample->SetActualDataLength(size);
}
pSample->SetDiscontinuity(discont);
pSample->SetSyncPoint(TRUE);
pSample->SetPreroll(FALSE);
if (start != -1)
pSample->SetTime(&start, &stop);
hres = Deliver(pSample);
pSample->Release();
}
return S_OK;
}
STDMETHODIMP FakeOutputPin::Flush ()
{
DeliverBeginFlush();
DeliverEndFlush();
return S_OK;
}
STDMETHODIMP FakeOutputPin::SetSampleSize (unsigned int size)
{
m_SampleSize = size;
return S_OK;
}
/* filter */
FakeSrc::FakeSrc() :
CBaseFilter("DshowFakeSink", NULL, &g_pCriticSec, CLSID_DecodeFakeSrc)
{
m_pOutputPin = new FakeOutputPin((CSource *)this, m_pLock);
}
FakeSrc::~FakeSrc()
{
if (m_pOutputPin)
delete m_pOutputPin;
}
int FakeSrc::GetPinCount()
{
return 1;
}
CBasePin *FakeSrc::GetPin(int n)
{
return (CBasePin *)m_pOutputPin;
}
FakeOutputPin *FakeSrc::GetOutputPin()
{
return m_pOutputPin;
}
|
