Visual Servoing Platform  version 3.6.1 under development (2024-12-12)
vpDirectShowDevice.cpp
1 /****************************************************************************
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3  * ViSP, open source Visual Servoing Platform software.
4  * Copyright (C) 2005 - 2023 by Inria. All rights reserved.
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6  * This software is free software; you can redistribute it and/or modify
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9  * (at your option) any later version.
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
14  * GPL, please contact Inria about acquiring a ViSP Professional
15  * Edition License.
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19  * This software was developed at:
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 
44 BEGIN_VISP_NAMESPACE
50 bool vpDirectShowDevice::init(const CComPtr<IMoniker> &pMoniker)
51 {
52  HRESULT hr;
53 
54  // Get the properties
55  CComPtr<IPropertyBag> pPropBag;
56  pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)(&pPropBag));
57 
58  // get the name of the input
59  VARIANT varName;
60  VARIANT varDesc;
61  VARIANT varDevPath;
62  VariantInit(&varName);
63  VariantInit(&varDesc);
64  VariantInit(&varDevPath);
65  char tmp[FILENAME_MAX];
66 
67  hr = pPropBag->Read(L"FriendlyName", &varName, 0);
68 
69  // successfully got the name
70  if (SUCCEEDED(hr)) {
71  snprintf(tmp, FILENAME_MAX, "%S", varName.bstrVal);
72  name = tmp;
73  }
74 
75  VariantClear(&varName);
76 
77  hr = pPropBag->Read(L"Description", &varDesc, 0);
78 
79  // successfully got the description
80  if (SUCCEEDED(hr)) {
81  snprintf(tmp, FILENAME_MAX, "%S", varDesc.bstrVal);
82  desc = tmp;
83  }
84 
85  VariantClear(&varDesc);
86 
87  hr = pPropBag->Read(L"DevicePath", &varDevPath, 0);
88 
89  // successfully got the device path
90  if (SUCCEEDED(hr)) {
91  snprintf(tmp, FILENAME_MAX, "%S", varDevPath.bstrVal);
92  devPath = tmp;
93  }
94 
95  VariantClear(&varDevPath);
96 
97  inUse = false;
98 
99  return true;
100 }
101 
106 bool vpDirectShowDevice::operator==(vpDirectShowDevice &dev)
107 {
108  return name == dev.name && desc == dev.desc && devPath == dev.devPath;
109 }
110 
111 VISP_EXPORT std::ostream &operator<<(std::ostream &os, vpDirectShowDevice &dev)
112 {
113  return os << dev.name << std::endl << dev.desc << std::endl << dev.devPath;
114 }
115 END_VISP_NAMESPACE
116 #elif !defined(VISP_BUILD_SHARED_LIBS)
117 // Work around to avoid warning: libvisp_sensor.a(vpDirectShowDevice.cpp.o)
118 // has no symbols
119 void dummy_vpDirectShowDevice() { };
120 #endif
121 #endif
friend std::ostream & operator<<(std::ostream &s, const vpArray2D< Type > &A)
Definition: vpArray2D.h:614