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/*
Copyright (C) 2010 George Kiagiadakis <kiagiadakis.george@gmail.com>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QGST_ELEMENT_H
#define QGST_ELEMENT_H
#include "object.h"
#include "caps.h"
#include "clocktime.h"
namespace QGst {
/*! \headerfile element.h <QGst/Element>
* \brief Wrapper class for GstElement
*/
class QTGSTREAMER_EXPORT Element : public Object
{
QGST_WRAPPER(Element)
public:
StateChangeReturn getState(State *state, State *pending, ClockTime timeout);
StateChangeReturn setState(State state);
bool syncStateWithParent();
bool stateIsLocked() const;
bool setStateLocked(bool locked); //### is the return value ever needed?
bool addPad(const PadPtr & pad);
PadPtr getStaticPad(const char *name);
PadPtr getRequestPad(const char *name);
void releaseRequestPad(const PadPtr & pad);
ClockPtr clock() const;
bool setClock(const ClockPtr & clock);
bool link(const char *srcPadName, const ElementPtr & dest,
const char *sinkPadName, const CapsPtr & filter = CapsPtr());
bool link(const char *srcPadName, const ElementPtr & dest,
const CapsPtr & filter = CapsPtr());
bool link(const ElementPtr & dest, const char *sinkPadName,
const CapsPtr & filter = CapsPtr());
bool link(const ElementPtr & dest, const CapsPtr & filter = CapsPtr());
void unlink(const char *srcPadName, const ElementPtr & dest,
const char *sinkPadName = NULL);
void unlink(const ElementPtr & dest, const char *sinkPadName = NULL);
void query(const QueryPtr & query);
bool sendEvent(const EventPtr & event);
bool seek(Format format, SeekFlags flags, quint64 position);
};
}
QGST_REGISTER_TYPE(QGst::Element)
#endif // QGST_ELEMENT_H
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