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/*
Copyright (C) 2009-2010 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_BIN_H
#define QGST_BIN_H
#include "element.h"
#include "childproxy.h"
namespace QGst {
class Bin : public Element, public ChildProxy
{
QGST_WRAPPER(Bin)
public:
static BinPtr create(const QGlib::String & name = QGlib::String());
bool add(const ElementPtr & element);
bool remove(const ElementPtr & element);
/** This enum is used with getElementByName() to specify where to look for
* elements if an element is not found as a direct child of this Bin.
*/
enum RecursionType { //codegen: skip=true
/** Recurse down into child bins (if any) */
RecurseDown,
/** Recurse down to child bins and if the element is not found there as well,
* recurse up the hierarchy to the parent bins (if any) and their children.
*/
RecurseUp
};
ElementPtr getElementByName(const QGlib::String & name, RecursionType = RecurseDown) const;
ElementPtr getElementByInterface(QGlib::Type interfaceType) const;
template <typename T> QGlib::RefPointer<T> getElementByInterface() const;
PadPtr findUnlinkedPad(PadDirection direction) const;
bool recalculateLatency();
};
template <typename T>
QGlib::RefPointer<T> Bin::getElementByInterface() const
{
ElementPtr p = getElementByInterface(QGlib::GetType<T>());
return p.staticCast<T>();
}
}
QGLIB_REGISTER_TYPE(QGst::Bin)
#endif
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