Visual Servoing Platform version 3.6.0
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vpDirectShowDevice.cpp
1/****************************************************************************
2 *
3 * ViSP, open source Visual Servoing Platform software.
4 * Copyright (C) 2005 - 2023 by Inria. All rights reserved.
5 *
6 * This software is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
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.
12 *
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.
16 *
17 * See https://visp.inria.fr for more information.
18 *
19 * This software was developed at:
20 * Inria Rennes - Bretagne Atlantique
21 * Campus Universitaire de Beaulieu
22 * 35042 Rennes Cedex
23 * France
24 *
25 * If you have questions regarding the use of this file, please contact
26 * Inria at visp@inria.fr
27 *
28 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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
49bool 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
105bool vpDirectShowDevice::operator==(vpDirectShowDevice &dev)
106{
107 return name == dev.name && desc == dev.desc && devPath == dev.devPath;
108}
109
110VISP_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
118void dummy_vpDirectShowDevice(){};
119#endif
120#endif