1 files changed, 168 insertions, 0 deletions
diff --git a/src/plugins/directshow/camera/dsvideodevicecontrol.cpp b/src/plugins/directshow/camera/dsvideodevicecontrol.cpp
new file mode 100644
index 000000000..8c9b03000
--- /dev/null
+++ b/src/plugins/directshow/camera/dsvideodevicecontrol.cpp
@@ -0,0 +1,168 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QDebug>
+#include <QFile>
+#include <QtGui/QIcon>
+
+#include "dsvideodevicecontrol.h"
+#include "dscamerasession.h"
+
+#include <tchar.h>
+#include <dshow.h>
+#include <objbase.h>
+#include <initguid.h>
+#include <Ocidl.h>
+#include <string.h>
+
+extern const CLSID CLSID_VideoInputDeviceCategory;
+
+QT_BEGIN_NAMESPACE
+
+DSVideoDeviceControl::DSVideoDeviceControl(QObject *parent)
+    : QVideoDeviceControl(parent)
+{
+    m_session = qobject_cast<DSCameraSession*>(parent);
+
+    devices.clear();
+    descriptions.clear();
+
+    CoInitialize(NULL);
+    ICreateDevEnum* pDevEnum = NULL;
+    IEnumMoniker* pEnum = NULL;
+    // Create the System device enumerator
+    HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
+            CLSCTX_INPROC_SERVER, IID_ICreateDevEnum,
+            reinterpret_cast<void**>(&pDevEnum));
+    if(SUCCEEDED(hr)) {
+        // Create the enumerator for the video capture category
+        hr = pDevEnum->CreateClassEnumerator(
+                CLSID_VideoInputDeviceCategory, &pEnum, 0);
+        if (S_OK == hr) {
+            pEnum->Reset();
+            // go through and find all video capture devices
+            IMoniker* pMoniker = NULL;
+            while(pEnum->Next(1, &pMoniker, NULL) == S_OK) {
+                IPropertyBag *pPropBag;
+                hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag,
+                        (void**)(&pPropBag));
+                if(FAILED(hr)) {
+                    pMoniker->Release();
+                    continue; // skip this one
+                }
+                // Find the description
+                WCHAR str[120];
+                VARIANT varName;
+                varName.vt = VT_BSTR;
+                hr = pPropBag->Read(L"FriendlyName", &varName, 0);
+                if(SUCCEEDED(hr)) {
+                    wcsncpy(str, varName.bstrVal, sizeof(str)/sizeof(str[0]));
+                    QString temp(QString::fromUtf16((unsigned short*)str));
+                    devices.append(QString("ds:%1").arg(temp).toLocal8Bit().constData());
+                    hr = pPropBag->Read(L"Description", &varName, 0);
+                    wcsncpy(str, varName.bstrVal, sizeof(str)/sizeof(str[0]));
+                    QString temp2(QString::fromUtf16((unsigned short*)str));
+                    descriptions.append(temp2.toLocal8Bit().constData());
+                }
+                pPropBag->Release();
+                pMoniker->Release();
+            }
+            pEnum->Release();
+        }
+        pDevEnum->Release();
+    }
+    CoUninitialize();
+
+    selected = 0;
+}
+
+int DSVideoDeviceControl::deviceCount() const
+{
+    return devices.count();
+}
+
+QString DSVideoDeviceControl::deviceName(int index) const
+{
+    if(index >= 0 && index <= devices.count())
+        return devices.at(index);
+
+    return QString();
+}
+
+QString DSVideoDeviceControl::deviceDescription(int index) const
+{
+    if(index >= 0 && index <= descriptions.count())
+        return descriptions.at(index);
+
+    return QString();
+}
+
+QIcon DSVideoDeviceControl::deviceIcon(int index) const
+{
+    Q_UNUSED(index)
+
+    return QIcon();
+}
+
+int DSVideoDeviceControl::defaultDevice() const
+{
+    return 0;
+}
+
+int DSVideoDeviceControl::selectedDevice() const
+{
+    return selected;
+}
+
+void DSVideoDeviceControl::setSelectedDevice(int index)
+{
+    if(index >= 0 && index <= devices.count()) {
+        if (m_session) {
+            QString device = devices.at(index);
+            if (device.startsWith("ds:"))
+                device.remove(0,3);
+            m_session->setDevice(device);
+        }
+        selected = index;
+    }
+}
+
+QT_END_NAMESPACE