Visual Servoing Platform  version 3.6.1 under development (2024-02-13)
vpDirectShowDevice.cpp
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3  * ViSP, open source Visual Servoing Platform software.
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10  * See the file LICENSE.txt at the root directory of this source
11  * distribution for additional information about the GNU GPL.
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13  * For using ViSP with software that can not be combined with the GNU
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20  * Inria Rennes - Bretagne Atlantique
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29  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30  *
31  * Description:
32  * DirectShow device description.
33  *
34 *****************************************************************************/
35 
36 #ifndef DOXYGEN_SHOULD_SKIP_THIS
37 
38 #include <stdio.h>
39 #include <visp3/core/vpConfig.h>
40 #if (defined(VISP_HAVE_DIRECTSHOW))
41 
42 #include <visp3/sensor/vpDirectShowDevice.h>
43 
49 bool vpDirectShowDevice::init(const CComPtr<IMoniker> &pMoniker)
50 {
51  HRESULT hr;
52 
53  // Get the properties
54  CComPtr<IPropertyBag> pPropBag;
55  pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)(&pPropBag));
56 
57  // get the name of the input
58  VARIANT varName;
59  VARIANT varDesc;
60  VARIANT varDevPath;
61  VariantInit(&varName);
62  VariantInit(&varDesc);
63  VariantInit(&varDevPath);
64  char tmp[FILENAME_MAX];
65 
66  hr = pPropBag->Read(L"FriendlyName", &varName, 0);
67 
68  // successfully got the name
69  if (SUCCEEDED(hr)) {
70  snprintf(tmp, FILENAME_MAX, "%S", varName.bstrVal);
71  name = tmp;
72  }
73 
74  VariantClear(&varName);
75 
76  hr = pPropBag->Read(L"Description", &varDesc, 0);
77 
78  // successfully got the description
79  if (SUCCEEDED(hr)) {
80  snprintf(tmp, FILENAME_MAX, "%S", varDesc.bstrVal);
81  desc = tmp;
82  }
83 
84  VariantClear(&varDesc);
85 
86  hr = pPropBag->Read(L"DevicePath", &varDevPath, 0);
87 
88  // successfully got the device path
89  if (SUCCEEDED(hr)) {
90  snprintf(tmp, FILENAME_MAX, "%S", varDevPath.bstrVal);
91  devPath = tmp;
92  }
93 
94  VariantClear(&varDevPath);
95 
96  inUse = false;
97 
98  return true;
99 }
100 
105 bool vpDirectShowDevice::operator==(vpDirectShowDevice &dev)
106 {
107  return name == dev.name && desc == dev.desc && devPath == dev.devPath;
108 }
109 
110 VISP_EXPORT std::ostream &operator<<(std::ostream &os, vpDirectShowDevice &dev)
111 {
112  return os << dev.name << std::endl << dev.desc << std::endl << dev.devPath;
113 }
114 
115 #elif !defined(VISP_BUILD_SHARED_LIBS)
116 // Work around to avoid warning: libvisp_sensor.a(vpDirectShowDevice.cpp.o)
117 // has no symbols
118 void dummy_vpDirectShowDevice(){};
119 #endif
120 #endif
friend std::ostream & operator<<(std::ostream &s, const vpArray2D< Type > &A)
Definition: vpArray2D.h:523