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/****************************************************************************
**
** 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 plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 <QtCore/qstring.h>
#include <QtCore/qdebug.h>
#include <QtGui/QIcon>
#include <QtCore/QDir>
#include "qgstreamerserviceplugin.h"
#ifdef QMEDIA_GSTREAMER_PLAYER
#include "qgstreamerplayerservice.h"
#endif
#ifdef QMEDIA_GSTREAMER_CAPTURE
#include "qgstreamercaptureservice.h"
#endif
#include <QtMediaServices/qmediaserviceprovider.h>
#ifdef QMEDIA_GSTREAMER_CAPTURE
#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>
#endif
QT_BEGIN_NAMESPACE
QStringList QGstreamerServicePlugin::keys() const
{
return QStringList()
#ifdef QMEDIA_GSTREAMER_PLAYER
<< QLatin1String(Q_MEDIASERVICE_MEDIAPLAYER)
#endif
#ifdef QMEDIA_GSTREAMER_CAPTURE
<< QLatin1String(Q_MEDIASERVICE_AUDIOSOURCE)
<< QLatin1String(Q_MEDIASERVICE_CAMERA)
#endif
;
}
QMediaService* QGstreamerServicePlugin::create(const QString &key)
{
#ifdef QMEDIA_GSTREAMER_PLAYER
if (key == QLatin1String(Q_MEDIASERVICE_MEDIAPLAYER))
return new QGstreamerPlayerService;
#endif
#ifdef QMEDIA_GSTREAMER_CAPTURE
if (key == QLatin1String(Q_MEDIASERVICE_AUDIOSOURCE))
return new QGstreamerCaptureService(key);
if (key == QLatin1String(Q_MEDIASERVICE_CAMERA))
return new QGstreamerCaptureService(key);
#endif
qWarning() << "GStreamer service plugin: unsupported service -" << key;
return 0;
}
void QGstreamerServicePlugin::release(QMediaService *service)
{
delete service;
}
QList<QByteArray> QGstreamerServicePlugin::devices(const QByteArray &service) const
{
#ifdef QMEDIA_GSTREAMER_CAPTURE
if (service == Q_MEDIASERVICE_CAMERA) {
if (m_cameraDevices.isEmpty())
updateDevices();
return m_cameraDevices;
}
#endif
return QList<QByteArray>();
}
QString QGstreamerServicePlugin::deviceDescription(const QByteArray &service, const QByteArray &device)
{
#ifdef QMEDIA_GSTREAMER_CAPTURE
if (service == Q_MEDIASERVICE_CAMERA) {
if (m_cameraDevices.isEmpty())
updateDevices();
for (int i=0; i<m_cameraDevices.count(); i++)
if (m_cameraDevices[i] == device)
return m_cameraDescriptions[i];
}
#endif
return QString();
}
void QGstreamerServicePlugin::updateDevices() const
{
#ifdef QMEDIA_GSTREAMER_CAPTURE
m_cameraDevices.clear();
m_cameraDescriptions.clear();
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_cameraDevices.append(entryInfo.filePath().toLocal8Bit());
m_cameraDescriptions.append(name);
}
::close(fd);
}
#endif
}
Q_EXPORT_PLUGIN2(gstengine, QGstreamerServicePlugin);
QT_END_NAMESPACE
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