diff options
Diffstat (limited to 'src/plugins/mediaservices/gstreamer/qgstreamerserviceplugin.cpp')
| -rw-r--r-- | src/plugins/mediaservices/gstreamer/qgstreamerserviceplugin.cpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/plugins/mediaservices/gstreamer/qgstreamerserviceplugin.cpp b/src/plugins/mediaservices/gstreamer/qgstreamerserviceplugin.cpp new file mode 100644 index 0000000..e892e45 --- /dev/null +++ b/src/plugins/mediaservices/gstreamer/qgstreamerserviceplugin.cpp @@ -0,0 +1,186 @@ +/**************************************************************************** +** +** 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 <QtCore/qstring.h> +#include <QtCore/qdebug.h> +#include <QtGui/QIcon> +#include <QtCore/QDir> +#include <QtCore/QDebug> + +#include "qgstreamerserviceplugin.h" + +#ifdef QMEDIA_GSTREAMER_PLAYER +#include "qgstreamerplayerservice.h" +#endif +#ifdef QMEDIA_GSTREAMER_CAPTURE +#include "qgstreamercaptureservice.h" +#endif + +#include <QtMultimedia/qmediaserviceprovider.h> + +#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> + + +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 + + qDebug() << "unsupported key:" << key; + return 0; +} + +void QGstreamerServicePlugin::release(QMediaService *service) +{ + delete service; +} + +QList<QByteArray> QGstreamerServicePlugin::devices(const QByteArray &service) const +{ + if (service == Q_MEDIASERVICE_CAMERA) { + if (m_cameraDevices.isEmpty()) + updateDevices(); + + return m_cameraDevices; + } + + return QList<QByteArray>(); +} + +QString QGstreamerServicePlugin::deviceDescription(const QByteArray &service, const QByteArray &device) +{ + 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]; + } + + return QString(); +} + +void QGstreamerServicePlugin::updateDevices() const +{ + 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); + } +} + +Q_EXPORT_PLUGIN2(gstengine, QGstreamerServicePlugin); + +QT_END_NAMESPACE |