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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_GLOBAL_H
#define QGST_GLOBAL_H
#include "enums.h"
#include <QtCore/QtGlobal>
#include <QtCore/QSharedPointer>
#define QGST_WRAPPER_GSTCLASS_DECLARATION(Class) \
typedef struct _Gst##Class Gst##Class;
#define QGST_WRAPPER_REFPOINTER_DECLARATION(Class) \
namespace QGst { \
class Class; \
typedef QGlib::RefPointer<Class> Class##Ptr; \
}
#define QGST_WRAPPER_DECLARATION(Class) \
QGST_WRAPPER_GSTCLASS_DECLARATION(Class) \
QGST_WRAPPER_REFPOINTER_DECLARATION(Class)
#define QGST_SUBCLASS_REGISTER_CONVERTERS(BASECLASS, TYPE) \
namespace QGlib { \
namespace Private { \
template <> \
struct CanConvertTo<QGst::TYPE##BASECLASS> \
{ \
static inline bool from(void *instance) \
{ \
return (Type::fromInstance(instance).isA<QGst::BASECLASS>() && \
QGst::BASECLASS##Ptr::wrap(static_cast<Gst##BASECLASS *>(instance))->type() \
== QGst::BASECLASS##TYPE); \
} \
}; \
} /* namespace Private */ \
} /* namespace QGlib */
#define QGST_SUBCLASS_REGISTER_VALUEIMPL(BASECLASS, TYPE) \
namespace QGlib { \
template<> \
struct ValueImpl<QGst::TYPE##BASECLASS##Ptr> \
{ \
static void set(Value & value, const QGst::TYPE##BASECLASS##Ptr & data) { \
ValueImpl<QGst::BASECLASS##Ptr>::set(value, data); \
} \
}; \
} /* namespace QGlib */
#define QGST_REGISTER_SUBCLASS(BASECLASS, TYPE) \
QGST_SUBCLASS_REGISTER_CONVERTERS(BASECLASS, TYPE) \
QGST_SUBCLASS_REGISTER_VALUEIMPL(BASECLASS, TYPE)
QGST_WRAPPER_DECLARATION(Bin)
QGST_WRAPPER_DECLARATION(Bus)
QGST_WRAPPER_DECLARATION(Caps)
QGST_WRAPPER_DECLARATION(ChildProxy)
QGST_WRAPPER_DECLARATION(Clock)
QGST_WRAPPER_DECLARATION(ColorBalanceChannel)
QGST_WRAPPER_DECLARATION(ColorBalance)
QGST_WRAPPER_DECLARATION(Element)
QGST_WRAPPER_DECLARATION(ElementFactory)
QGST_WRAPPER_DECLARATION(GhostPad)
QGST_WRAPPER_DECLARATION(Message)
QGST_WRAPPER_REFPOINTER_DECLARATION(EosMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(ErrorMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(WarningMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(InfoMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(BufferingMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(StateChangedMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(StepDoneMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(StreamStatusMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(ApplicationMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(ElementMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(SegmentDoneMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(DurationMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(LatencyMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(AsyncDoneMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(RequestStateMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(StepStartMessage)
QGST_WRAPPER_REFPOINTER_DECLARATION(QosMessage)
QGST_WRAPPER_DECLARATION(MiniObject)
QGST_WRAPPER_DECLARATION(Object)
QGST_WRAPPER_DECLARATION(Pad)
QGST_WRAPPER_DECLARATION(Pipeline)
QGST_WRAPPER_DECLARATION(PluginFeature)
QGST_WRAPPER_DECLARATION(PropertyProbe)
QGST_WRAPPER_DECLARATION(Query)
QGST_WRAPPER_REFPOINTER_DECLARATION(PositionQuery)
QGST_WRAPPER_REFPOINTER_DECLARATION(DurationQuery)
QGST_WRAPPER_REFPOINTER_DECLARATION(LatencyQuery)
QGST_WRAPPER_REFPOINTER_DECLARATION(SeekingQuery)
QGST_WRAPPER_REFPOINTER_DECLARATION(SegmentQuery)
QGST_WRAPPER_REFPOINTER_DECLARATION(ConvertQuery)
QGST_WRAPPER_REFPOINTER_DECLARATION(FormatsQuery)
QGST_WRAPPER_REFPOINTER_DECLARATION(BufferingQuery)
QGST_WRAPPER_REFPOINTER_DECLARATION(UriQuery)
QGST_WRAPPER_DECLARATION(Buffer)
QGST_WRAPPER_DECLARATION(Event)
QGST_WRAPPER_REFPOINTER_DECLARATION(FlushStartEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(FlushStopEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(EosEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(NewSegmentEvent)
//TODO QGST_REGISTER_EVENT_SUBCLASS(TagEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(BufferSizeEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(SinkMessageEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(QosEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(SeekEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(NavigationEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(LatencyEvent)
QGST_WRAPPER_REFPOINTER_DECLARATION(StepEvent)
QGST_WRAPPER_DECLARATION(StreamVolume)
QGST_WRAPPER_GSTCLASS_DECLARATION(Structure)
namespace QGst {
class Structure;
class SharedStructure;
typedef QSharedPointer<SharedStructure> StructurePtr;
}
QGST_WRAPPER_GSTCLASS_DECLARATION(URIHandler)
QGST_WRAPPER_REFPOINTER_DECLARATION(UriHandler)
QGST_WRAPPER_DECLARATION(VideoOrientation)
QGST_WRAPPER_DECLARATION(XOverlay)
#undef QGST_WRAPPER_DECLARATION
#undef QGST_WRAPPER_REFPOINTER_DECLARATION
#undef QGST_WRAPPER_GSTCLASS_DECLARATION
#define QGST_WRAPPER(Class) \
QGLIB_WRAPPER_DECLARATION_MACRO(Class, Class, Gst, Class)
#define QGST_WRAPPER_DIFFERENT_C_CLASS(Class, CClass) \
QGLIB_WRAPPER_DECLARATION_MACRO(Class, CClass, Gst, Class)
#define QGST_WRAPPER_FAKE_SUBCLASS(Sub, Class) \
QGLIB_WRAPPER_DECLARATION_MACRO(Sub##Class, Class, Gst, Class)
namespace QGst {
/*! A datatype to hold a time, measured in nanoseconds */
typedef quint64 ClockTime;
/*! A datatype to hold a time difference, measured in nanoseconds */
typedef qint64 ClockTimeDiff;
}
namespace QGst {
/*! \overload */
void init();
/*! Initializes the GStreamer library, setting up internal path lists,
* registering built-in elements, and loading standard plugins.
* \param argc pointer to the application's argc
* \param argv pointer to the application's argv
* \throws QGlib::Error when initialization fails
*/
void init(int *argc, char **argv[]);
/*! Clean up any resources created by GStreamer in init().
*
* It is normally not needed to call this function in a normal application as the resources
* will automatically be freed when the program terminates. This function is therefore mostly
* used by testsuites and other memory profiling tools.
*
* After this call GStreamer (including this method) should not be used anymore.
*/
void cleanup();
}
#endif
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