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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgstreamervideoinputdevicecontrol_p.h"
+
+#include <QtCore/QDir>
+#include <QtCore/QDebug>
+
+#include <linux/types.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include <sys/poll.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <linux/videodev2.h>
+
+QGstreamerVideoInputDeviceControl::QGstreamerVideoInputDeviceControl(QObject *parent)
+ :QVideoDeviceControl(parent), m_selectedDevice(0)
+{
+ update();
+}
+
+QGstreamerVideoInputDeviceControl::~QGstreamerVideoInputDeviceControl()
+{
+}
+
+int QGstreamerVideoInputDeviceControl::deviceCount() const
+{
+ return m_names.size();
+}
+
+QString QGstreamerVideoInputDeviceControl::deviceName(int index) const
+{
+ return m_names[index];
+}
+
+QString QGstreamerVideoInputDeviceControl::deviceDescription(int index) const
+{
+ return m_descriptions[index];
+}
+
+int QGstreamerVideoInputDeviceControl::defaultDevice() const
+{
+ return 0;
+}
+
+int QGstreamerVideoInputDeviceControl::selectedDevice() const
+{
+ return m_selectedDevice;
+}
+
+
+void QGstreamerVideoInputDeviceControl::setSelectedDevice(int index)
+{
+ if (index != m_selectedDevice) {
+ m_selectedDevice = index;
+ emit selectedDeviceChanged(index);
+ emit selectedDeviceChanged(deviceName(index));
+ }
+}
+
+
+void QGstreamerVideoInputDeviceControl::update()
+{
+ m_names.clear();
+ m_descriptions.clear();
+
+#ifdef Q_WS_MAEMO_6
+ m_names << QLatin1String("primary") << QLatin1String("secondary");
+ m_descriptions << tr("Main camera") << tr("Front camera");
+#else
+ QDir devDir("/dev");
+ devDir.setFilter(QDir::System);
+
+ QFileInfoList entries = devDir.entryInfoList(QStringList() << "video*");
+
+ foreach( const QFileInfo &entryInfo, entries ) {
+ //qDebug() << "Try" << entryInfo.filePath();
+
+ int fd = ::open(entryInfo.filePath().toLatin1().constData(), O_RDWR );
+ if (fd == -1)
+ continue;
+
+ bool isCamera = false;
+
+ v4l2_input input;
+ memset(&input, 0, sizeof(input));
+ for (; ::ioctl(fd, VIDIOC_ENUMINPUT, &input) >= 0; ++input.index) {
+ if(input.type == V4L2_INPUT_TYPE_CAMERA || input.type == 0) {
+ isCamera = ::ioctl(fd, VIDIOC_S_INPUT, input.index) != 0;
+ break;
+ }
+ }
+
+ if (isCamera) {
+ // find out its driver "name"
+ QString name;
+ struct v4l2_capability vcap;
+ memset(&vcap, 0, sizeof(struct v4l2_capability));
+
+ if (ioctl(fd, VIDIOC_QUERYCAP, &vcap) != 0)
+ name = entryInfo.fileName();
+ else
+ name = QString((const char*)vcap.card);
+ //qDebug() << "found camera: " << name;
+
+ m_names.append(entryInfo.filePath());
+ m_descriptions.append(name);
+ }
+ ::close(fd);
+ }
+#endif
+}