/usr/include/gstreamermm-0.10/gstreamermm/interface.h is in libgstreamermm-0.10-dev 0.10.9-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Generated by gtkmmproc -- DO NOT MODIFY!
#ifndef _GSTREAMERMM_INTERFACE_H
#define _GSTREAMERMM_INTERFACE_H
#include <glibmm.h>
/* gstreamermm - a C++ wrapper for gstreamer
*
* Copyright 2008 The gstreamermm Development Team
*
* 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 library 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 library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <glibmm/interface.h>
#include <gstreamermm/element.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef struct _GstImplementsInterface GstImplementsInterface;
typedef struct _GstImplementsInterfaceClass GstImplementsInterfaceClass;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
namespace Gst
{ class Interface_Class; } // namespace Gst
namespace Gst
{
/** The core interface implemented by Gst::Element instances that allows
* runtime querying of interface availability.
* This provides interface functionality on a per-instance basis and not a
* per-class basis, which is the case for GObject.
* @ingroup GstInterfaces
*/
class Interface : public Glib::Interface
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
public:
typedef Interface CppObjectType;
typedef Interface_Class CppClassType;
typedef GstImplementsInterface BaseObjectType;
typedef GstImplementsInterfaceClass BaseClassType;
private:
friend class Interface_Class;
static CppClassType interface_class_;
// noncopyable
Interface(const Interface&);
Interface& operator=(const Interface&);
protected:
Interface(); // you must derive from this class
/** Called by constructors of derived classes. Provide the result of
* the Class init() function to ensure that it is properly
* initialized.
*
* @param interface_class The Class object for the derived type.
*/
explicit Interface(const Glib::Interface_Class& interface_class);
public:
// This is public so that C++ wrapper instances can be
// created for C instances of unwrapped types.
// For instance, if an unexpected C type implements the C interface.
explicit Interface(GstImplementsInterface* castitem);
protected:
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
public:
virtual ~Interface();
static void add_interface(GType gtype_implementer);
#ifndef DOXYGEN_SHOULD_SKIP_THIS
static GType get_type() G_GNUC_CONST;
static GType get_base_type() G_GNUC_CONST;
#endif
///Provides access to the underlying C GObject.
GstImplementsInterface* gobj() { return reinterpret_cast<GstImplementsInterface*>(gobject_); }
///Provides access to the underlying C GObject.
const GstImplementsInterface* gobj() const { return reinterpret_cast<GstImplementsInterface*>(gobject_); }
private:
public:
/** Test whether the given element implements a certain interface of type
* iface_type, and test whether it is supported for this specific instance.
* @param iface_type (final) type of the interface which we want to be implemented.
* @return Whether or not the element implements the interface.
*/
static bool element_implements(const Glib::RefPtr<const Gst::Element>&element, GType iface_type);
/** Casts an element to an interface that its underlying GObject implements.
* See Gst::ElementInterfaced for more details.
*/
template <class T_CastTo>
static Glib::RefPtr< Gst::ElementInterfaced<T_CastTo> >
cast(const Glib::RefPtr<Gst::Element>& element);
/** Virtual method to tell whether an interface is supported.
*/
virtual bool supported_vfunc(GType iface_type) const;
//For some reason, gmmproc thinks that all of the GstElement functions (and
//signals) are also members of GstImplementsInterface.
public:
public:
//C++ methods used to invoke GTK+ virtual functions:
protected:
//GTK+ Virtual Functions (override these to change behaviour):
//Default Signal Handlers::
};
#ifndef DOXYGEN_SHOULD_SKIP_THIS
template <class T_CastTo>
Glib::RefPtr< Gst::ElementInterfaced<T_CastTo> > Interface::cast(const Glib::RefPtr<Gst::Element>& element)
{
if(element && gst_element_implements_interface(Glib::unwrap(element), T_CastTo::get_type()))
{
void* result = gst_implements_interface_cast(Glib::unwrap(element),
T_CastTo::get_type());
Gst::ElementInterfaced<T_CastTo>* element_interfaced =
new ElementInterfaced<T_CastTo>((GstElement*) result);
return Glib::RefPtr< Gst::ElementInterfaced<T_CastTo> >(element_interfaced);
}
else
return Glib::RefPtr< Gst::ElementInterfaced<T_CastTo> >(0);
}
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
} //namespace Gst
namespace Glib
{
/** A Glib::wrap() method for this object.
*
* @param object The C instance.
* @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
* @result A C++ instance that wraps this C instance.
*
* @relates Gst::Interface
*/
Glib::RefPtr<Gst::Interface> wrap(GstImplementsInterface* object, bool take_copy = false);
} // namespace Glib
#endif /* _GSTREAMERMM_INTERFACE_H */
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