QtGStreamer 1.2.0
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elementfactory.h
1/*
2 Copyright (C) 2009-2010 George Kiagiadakis <kiagiadakis.george@gmail.com>
3
4 This library is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published
6 by the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
16*/
17#ifndef QGST_ELEMENTFACTORY_H
18#define QGST_ELEMENTFACTORY_H
19
20#include "pluginfeature.h"
21#include "element.h"
22
23namespace QGst {
24
28class QTGSTREAMER_EXPORT ElementFactory : public PluginFeature
29{
30 QGST_WRAPPER(ElementFactory)
31public:
32 static ElementFactoryPtr find(const char *factoryName);
33 static inline ElementFactoryPtr find(const QString & factoryName);
34
35 static ElementPtr make(const char *factoryName, const char *elementName = NULL);
36 static inline ElementPtr make(const QString & factoryName, const char *elementName = NULL);
37
38 QGlib::Type elementType() const;
39 QString metadata(const char *key) const;
40
41 uint padTemplatesCount() const;
42 int uriType() const;
43 bool hasInterface(const char *interfaceName) const;
44 bool canSinkAllCaps(const CapsPtr & caps) const;
45 bool canSrcAllCaps(const CapsPtr & caps) const;
46 bool canSinkAnyCaps(const CapsPtr & caps) const;
47 bool canSrcAnyCaps(const CapsPtr & caps) const;
48
49 ElementPtr create(const char *elementName = NULL) const;
50};
51
52//static
53inline ElementFactoryPtr ElementFactory::find(const QString & factoryName)
54{
55 return find(factoryName.toUtf8().constData());
56}
57
58//static
59inline ElementPtr ElementFactory::make(const QString & factoryName, const char *elementName)
60{
61 return make(factoryName.toUtf8().constData(), elementName);
62}
63
64} //namespace QGst
65
66QGST_REGISTER_TYPE(QGst::ElementFactory)
67
68#endif
Smart pointer class for working with wrapper classes that support reference counting.
Definition refpointer.h:91
Wrapper class for GType.
Definition type.h:64
Wrapper class for GstElementFactory.
Wrapper class for GstPluginFeature.
Wrappers for GStreamer classes.