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
|
#include "qedit.h"
#include "Streams.h"
#include <control.h>
#include <assert.h>
#pragma comment(lib, "strmiids")
void DisplayDeviceInformation(IEnumMoniker* pEnum)
{
IMoniker* pMoniker = NULL;
while (pEnum->Next(1, &pMoniker, NULL) == S_OK)
{
IPropertyBag* pPropBag;
IMediaEventEx* pEvent = NULL;
HRESULT hr = pMoniker->BindToStorage(0, 0, IID_PPV_ARGS(&pPropBag));
if (FAILED(hr))
{
pMoniker->Release();
continue;
}
VARIANT var;
VariantInit(&var);
// Get description or friendly name.
hr = pPropBag->Read(L"Description", &var, 0);
if (FAILED(hr))
{
hr = pPropBag->Read(L"FriendlyName", &var, 0);
}
if (SUCCEEDED(hr))
{
VariantClear(&var);
}
hr = pPropBag->Write(L"FriendlyName", &var);
// WaveInID applies only to audio capture devices.
hr = pPropBag->Read(L"WaveInID", &var, 0);
if (SUCCEEDED(hr))
{
VariantClear(&var);
}
hr = pPropBag->Read(L"DevicePath", &var, 0);
if (SUCCEEDED(hr))
{
// The device path is not intended for display.
VariantClear(&var);
}
IGraphBuilder* m_pGraph = NULL; //Filter Graph
ICaptureGraphBuilder2* pBuild = NULL; //Capture graph
IBaseFilter* pSampleGrabberFilter = NULL; //Sample Grabber filter
ISampleGrabber* pSampleGrabber = NULL; //Sample Grabber
IBaseFilter* pCap = NULL; //Capture filter
IBaseFilter* pMux = NULL; //Mux filter
IMediaControl* pControl; //Media control
IEnumPins* pEnumPins = NULL;
IPin* pPin = NULL;
REFERENCE_TIME rtStart = 0, rtStop = 500000000; //Stop start values
const WORD wStartCookie = 1, wStopCookie = 2;
hr = InitCaptureGraphBuilder(&m_pGraph, &pBuild); //Build Filter graph and capture graph
hr = m_pGraph->QueryInterface(IID_PPV_ARGS(&pEvent)); //Query the Media Event
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pCap); //Create capture filter
hr = m_pGraph->AddFilter(pCap, L"Capture Filter"); //Add capture filter to filter graph
hr = CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pSampleGrabberFilter)); //Create sample grabber filter
hr = pSampleGrabberFilter->QueryInterface(IID_PPV_ARGS(&pSampleGrabber));
hr = m_pGraph->AddFilter(pSampleGrabberFilter, L"Sample Grabber"); //Add the sample grabber filter
AM_MEDIA_TYPE mt;
ZeroMemory(&mt, sizeof(mt));
mt.majortype = MEDIATYPE_Video;
mt.subtype = MEDIASUBTYPE_RGB24;
hr = pSampleGrabber->SetMediaType(&mt);
if (FAILED(hr))
{
return;
}
hr = pCap->EnumPins(&pEnumPins);
while (S_OK == pEnumPins->Next(1, &pPin, NULL))
{
hr = ConnectFilters(m_pGraph, pPin, pSampleGrabberFilter);
SafeRelease(&pPin);
if (SUCCEEDED(hr))
{
break;
}
}
//kapcsold össze a sample grabbert a capture filterrel + rakj be egy render streamet
hr = pBuild->SetOutputFileName(&MEDIASUBTYPE_Avi, L"C:\\sdfd.avi", &pMux, NULL); //Set capture graph output file name
hr = pBuild->ControlStream(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, pCap, &rtStart, &rtStop, wStartCookie, wStopCookie); //Control stream assembly
hr = m_pGraph->QueryInterface(IID_IMediaControl, (LPVOID*)&pControl); // Query control interface
hr = pBuild->RenderStream(&PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video, pCap,
NULL, NULL);
hr = pBuild->RenderStream(&PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, pCap,
NULL, pMux);
hr = pControl->Run(); // run stream
long cbBuffer;
hr = pSampleGrabber->GetCurrentBuffer(&cbBuffer, NULL);
char a;
Sleep(8000);
// Release the mux filter.
pMux->Release();
pPropBag->Release();
}
pMoniker->Release();
}
void main()
{
HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
if (SUCCEEDED(hr))
{
IEnumMoniker* pEnum;
hr = EnumerateDevices(CLSID_VideoInputDeviceCategory, &pEnum);
if (SUCCEEDED(hr))
{
DisplayDeviceInformation(pEnum);
pEnum->Release();
}
CoUninitialize();
}
}
| |
