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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 Lesser 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_CAPS_H
#define QGST_CAPS_H
#include "global.h"
#include "../QGlib/value.h"
#include "../QGlib/refpointer.h"
#include "../QGlib/type.h"
namespace QGst {
/*! \headerfile caps.h <QGst/Caps>
* \brief Wrapper class for GstCaps
*/
class QTGSTREAMER_EXPORT Caps : public QGlib::RefCountedObject
{
QGST_WRAPPER(Caps)
public:
static CapsPtr createSimple(const char *mediaType);
static CapsPtr createAny();
static CapsPtr createEmpty();
static CapsPtr fromString(const char *string);
static inline CapsPtr fromString(const QString & string);
QString toString() const;
void append(const CapsPtr & caps2);
void merge(const CapsPtr & caps2);
template <typename T>
inline void setValue(const char *field, const T & value);
void setValue(const char *field, const QGlib::Value & value);
bool simplify();
void truncate();
StructurePtr internalStructure(uint index);
void appendStructure(const Structure & structure);
void mergeStructure(const Structure & structure);
void removeStructure(uint index);
uint size() const;
bool isSimple() const;
bool isAny() const;
bool isEmpty() const;
bool isFixed() const;
bool equals(const CapsPtr & caps2) const;
bool isAlwaysCompatibleWith(const CapsPtr & caps2) const;
bool isSubsetOf(const CapsPtr & superset) const;
bool canIntersect(const CapsPtr & caps2) const;
CapsPtr getIntersection(const CapsPtr & caps2) const;
CapsPtr getUnion(const CapsPtr & caps2) const;
CapsPtr getNormal() const;
CapsPtr subtract(const CapsPtr & subtrahend) const;
CapsPtr copy() const;
CapsPtr copyNth(uint index) const;
bool isWritable() const;
CapsPtr makeWritable() const;
protected:
virtual void ref(bool increaseRef);
virtual void unref();
};
template <typename T>
inline void Caps::setValue(const char *field, const T & value)
{
setValue(field, QGlib::Value::create(value));
}
//static
inline CapsPtr Caps::fromString(const QString & string)
{
return fromString(string.toUtf8().constData());
}
/*! \relates QGst::Caps */
QTGSTREAMER_EXPORT QDebug operator<<(QDebug debug, const CapsPtr & caps);
namespace Private {
QTGSTREAMER_EXPORT QGlib::RefCountedObject *wrapCaps(void *caps);
} //namespace Private
} //namespace QGst
QGST_REGISTER_TYPE(QGst::Caps)
QGLIB_REGISTER_WRAPIMPL_FOR_SUBCLASSES_OF(QGst::Caps, QGst::Private::wrapCaps)
#endif
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