QtGStreamer  0.10.2
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elementfactory.h
00001 /*
00002     Copyright (C) 2009-2010  George Kiagiadakis <kiagiadakis.george@gmail.com>
00003 
00004     This library is free software; you can redistribute it and/or modify
00005     it under the terms of the GNU Lesser General Public License as published
00006     by the Free Software Foundation; either version 2.1 of the License, or
00007     (at your option) any later version.
00008 
00009     This program is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012     GNU Lesser General Public License for more details.
00013 
00014     You should have received a copy of the GNU Lesser General Public License
00015     along with this program.  If not, see <http://www.gnu.org/licenses/>.
00016 */
00017 #ifndef QGST_ELEMENTFACTORY_H
00018 #define QGST_ELEMENTFACTORY_H
00019 
00020 #include "pluginfeature.h"
00021 #include "element.h"
00022 
00023 namespace QGst {
00024 
00028 class QTGSTREAMER_EXPORT ElementFactory : public PluginFeature
00029 {
00030     QGST_WRAPPER(ElementFactory)
00031 public:
00032     static ElementFactoryPtr find(const char *factoryName);
00033     static inline ElementFactoryPtr find(const QString & factoryName);
00034 
00035     static ElementPtr make(const char *factoryName, const char *elementName = NULL);
00036     static inline ElementPtr make(const QString & factoryName, const char *elementName = NULL);
00037 
00038     QGlib::Type elementType() const;
00039     QString longName() const;
00040     QString klass() const;
00041     QString description() const;
00042     QString author() const;
00043     QString documentationUri() const;
00044     QString iconName() const;
00045 
00046     uint padTemplatesCount() const;
00047     int uriType() const;
00048     bool hasInterface(const char *interfaceName) const;
00049     bool canSinkCaps(const CapsPtr & caps) const;
00050     bool canSrcCaps(const CapsPtr & caps) const;
00051 
00052     ElementPtr create(const char *elementName = NULL) const;
00053 };
00054 
00055 //static
00056 inline ElementFactoryPtr ElementFactory::find(const QString & factoryName)
00057 {
00058     return find(factoryName.toUtf8().constData());
00059 }
00060 
00061 //static
00062 inline ElementPtr ElementFactory::make(const QString & factoryName, const char *elementName)
00063 {
00064     return make(factoryName.toUtf8().constData(), elementName);
00065 }
00066 
00067 } //namespace QGst
00068 
00069 QGST_REGISTER_TYPE(QGst::ElementFactory)
00070 
00071 #endif