/* 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 <gstreamermm/pad.h>
#include <gstreamermm/bufferlist.h>

_PINCLUDE(gstreamermm/private/element_p.h)

namespace Gst
{

bool BaseSink::query_latency(bool& live, bool& upstream_live, ClockTime& min_latency, ClockTime& max_latency) const
{
  gboolean gst_live = 0;
  gboolean gst_upstream_live = 0;

  const bool result =
    gst_base_sink_query_latency(const_cast<GstBaseSink*>(gobj()),
    &gst_live, &gst_upstream_live, static_cast<GstClockTime*>(&min_latency),
    static_cast<GstClockTime*>(&max_latency));

  live = gst_live;
  upstream_live = gst_upstream_live;

  return result;
}

ClockReturn BaseSink::wait_clock(ClockTime time)
{
  return static_cast<ClockReturn>(gst_base_sink_wait_clock(const_cast<GstBaseSink*>(gobj()), static_cast<GstClockTime>(time), 0));
}

FlowReturn BaseSink::wait(ClockTime time)
{
  return static_cast<FlowReturn>(gst_base_sink_wait(const_cast<GstBaseSink*>(gobj()), static_cast<GstClockTime>(time), 0));
}

gboolean BaseSink_Class::set_caps_vfunc_callback(GstBaseSink* self, GstCaps* caps)
{
  Glib::ObjectBase *const obj_base = static_cast<Glib::ObjectBase*>(
      Glib::ObjectBase::_get_current_wrapper((GObject*)self));

  // Non-gtkmmproc-generated custom classes implicitly call the default
  // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
  // generated classes can use this optimisation, which avoids the unnecessary
  // parameter conversions if there is no possibility of the virtual function
  // being overridden:
  if(obj_base && obj_base->is_derived_())
  {
    CppObjectType *const obj = dynamic_cast<CppObjectType* const>(obj_base);
    if(obj) // This can be NULL during destruction.
    {
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      try // Trap C++ exceptions which would normally be lost because this is a C callback.
      {
      #endif //GLIBMM_EXCEPTIONS_ENABLED
        // Call the virtual member method, which derived classes might override.
        return static_cast<int>(obj->set_caps_vfunc(Glib::wrap(caps, true)
));
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      }
      catch(...)
      {
        Glib::exception_handlers_invoke();
      }
      #endif //GLIBMM_EXCEPTIONS_ENABLED
    }
  }
  
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
  );

  // Call the original underlying C function:
  if(base && base->set_caps)
    return (*base->set_caps)(self, caps);

  return true;
}
bool Gst::BaseSink::set_caps_vfunc(const Glib::RefPtr<Gst::Caps>& caps) 
{
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
  );

  if(base && base->set_caps)
    return (*base->set_caps)(gobj(),Glib::unwrap(caps));

  return true;
}
gboolean BaseSink_Class::start_vfunc_callback(GstBaseSink* self)
{
  Glib::ObjectBase *const obj_base = static_cast<Glib::ObjectBase*>(
      Glib::ObjectBase::_get_current_wrapper((GObject*)self));

  // Non-gtkmmproc-generated custom classes implicitly call the default
  // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
  // generated classes can use this optimisation, which avoids the unnecessary
  // parameter conversions if there is no possibility of the virtual function
  // being overridden:
  if(obj_base && obj_base->is_derived_())
  {
    CppObjectType *const obj = dynamic_cast<CppObjectType* const>(obj_base);
    if(obj) // This can be NULL during destruction.
    {
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      try // Trap C++ exceptions which would normally be lost because this is a C callback.
      {
      #endif //GLIBMM_EXCEPTIONS_ENABLED
        // Call the virtual member method, which derived classes might override.
        return static_cast<int>(obj->start_vfunc());
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      }
      catch(...)
      {
        Glib::exception_handlers_invoke();
      }
      #endif //GLIBMM_EXCEPTIONS_ENABLED
    }
  }
  
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
  );

  // Call the original underlying C function:
  if(base && base->start)
    return (*base->start)(self);

  return true;
}
bool Gst::BaseSink::start_vfunc() 
{
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
  );

  if(base && base->start)
    return (*base->start)(gobj());

  return true;
}
gboolean BaseSink_Class::stop_vfunc_callback(GstBaseSink* self)
{
  Glib::ObjectBase *const obj_base = static_cast<Glib::ObjectBase*>(
      Glib::ObjectBase::_get_current_wrapper((GObject*)self));

  // Non-gtkmmproc-generated custom classes implicitly call the default
  // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
  // generated classes can use this optimisation, which avoids the unnecessary
  // parameter conversions if there is no possibility of the virtual function
  // being overridden:
  if(obj_base && obj_base->is_derived_())
  {
    CppObjectType *const obj = dynamic_cast<CppObjectType* const>(obj_base);
    if(obj) // This can be NULL during destruction.
    {
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      try // Trap C++ exceptions which would normally be lost because this is a C callback.
      {
      #endif //GLIBMM_EXCEPTIONS_ENABLED
        // Call the virtual member method, which derived classes might override.
        return static_cast<int>(obj->stop_vfunc());
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      }
      catch(...)
      {
        Glib::exception_handlers_invoke();
      }
      #endif //GLIBMM_EXCEPTIONS_ENABLED
    }
  }
  
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
  );

  // Call the original underlying C function:
  if(base && base->stop)
    return (*base->stop)(self);

  return true;
}
bool Gst::BaseSink::stop_vfunc() 
{
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
  );

  if(base && base->stop)
    return (*base->stop)(gobj());

  return true;
}
gboolean BaseSink_Class::unlock_vfunc_callback(GstBaseSink* self)
{
  Glib::ObjectBase *const obj_base = static_cast<Glib::ObjectBase*>(
      Glib::ObjectBase::_get_current_wrapper((GObject*)self));

  // Non-gtkmmproc-generated custom classes implicitly call the default
  // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
  // generated classes can use this optimisation, which avoids the unnecessary
  // parameter conversions if there is no possibility of the virtual function
  // being overridden:
  if(obj_base && obj_base->is_derived_())
  {
    CppObjectType *const obj = dynamic_cast<CppObjectType* const>(obj_base);
    if(obj) // This can be NULL during destruction.
    {
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      try // Trap C++ exceptions which would normally be lost because this is a C callback.
      {
      #endif //GLIBMM_EXCEPTIONS_ENABLED
        // Call the virtual member method, which derived classes might override.
        return static_cast<int>(obj->unlock_vfunc());
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      }
      catch(...)
      {
        Glib::exception_handlers_invoke();
      }
      #endif //GLIBMM_EXCEPTIONS_ENABLED
    }
  }
  
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
  );

  // Call the original underlying C function:
  if(base && base->unlock)
    return (*base->unlock)(self);

  return true;
}
bool Gst::BaseSink::unlock_vfunc() 
{
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
  );

  if(base && base->unlock)
    return (*base->unlock)(gobj());

  return true;
}
gboolean BaseSink_Class::event_vfunc_callback(GstBaseSink* self, GstEvent* event)
{
  Glib::ObjectBase *const obj_base = static_cast<Glib::ObjectBase*>(
      Glib::ObjectBase::_get_current_wrapper((GObject*)self));

  // Non-gtkmmproc-generated custom classes implicitly call the default
  // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
  // generated classes can use this optimisation, which avoids the unnecessary
  // parameter conversions if there is no possibility of the virtual function
  // being overridden:
  if(obj_base && obj_base->is_derived_())
  {
    CppObjectType *const obj = dynamic_cast<CppObjectType* const>(obj_base);
    if(obj) // This can be NULL during destruction.
    {
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      try // Trap C++ exceptions which would normally be lost because this is a C callback.
      {
      #endif //GLIBMM_EXCEPTIONS_ENABLED
        // Call the virtual member method, which derived classes might override.
        return static_cast<int>(obj->event_vfunc(Glib::wrap(event, true)
));
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      }
      catch(...)
      {
        Glib::exception_handlers_invoke();
      }
      #endif //GLIBMM_EXCEPTIONS_ENABLED
    }
  }
  
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
  );

  // Call the original underlying C function:
  if(base && base->event)
    return (*base->event)(self, event);

  return true;
}
bool Gst::BaseSink::event_vfunc(const Glib::RefPtr<Gst::Event>& event) 
{
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
  );

  if(base && base->event)
    return (*base->event)(gobj(),Glib::unwrap(event));

  return true;
}
gboolean BaseSink_Class::activate_pull_vfunc_callback(GstBaseSink* self, gboolean active)
{
  Glib::ObjectBase *const obj_base = static_cast<Glib::ObjectBase*>(
      Glib::ObjectBase::_get_current_wrapper((GObject*)self));

  // Non-gtkmmproc-generated custom classes implicitly call the default
  // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
  // generated classes can use this optimisation, which avoids the unnecessary
  // parameter conversions if there is no possibility of the virtual function
  // being overridden:
  if(obj_base && obj_base->is_derived_())
  {
    CppObjectType *const obj = dynamic_cast<CppObjectType* const>(obj_base);
    if(obj) // This can be NULL during destruction.
    {
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      try // Trap C++ exceptions which would normally be lost because this is a C callback.
      {
      #endif //GLIBMM_EXCEPTIONS_ENABLED
        // Call the virtual member method, which derived classes might override.
        return static_cast<int>(obj->activate_pull_vfunc(active
));
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      }
      catch(...)
      {
        Glib::exception_handlers_invoke();
      }
      #endif //GLIBMM_EXCEPTIONS_ENABLED
    }
  }
  
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
  );

  // Call the original underlying C function:
  if(base && base->activate_pull)
    return (*base->activate_pull)(self, active);

  return true;
}
bool Gst::BaseSink::activate_pull_vfunc(bool active) 
{
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
  );

  if(base && base->activate_pull)
    return (*base->activate_pull)(gobj(),static_cast<int>(active));

  return true;
}
gboolean BaseSink_Class::unlock_stop_vfunc_callback(GstBaseSink* self)
{
  Glib::ObjectBase *const obj_base = static_cast<Glib::ObjectBase*>(
      Glib::ObjectBase::_get_current_wrapper((GObject*)self));

  // Non-gtkmmproc-generated custom classes implicitly call the default
  // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc-
  // generated classes can use this optimisation, which avoids the unnecessary
  // parameter conversions if there is no possibility of the virtual function
  // being overridden:
  if(obj_base && obj_base->is_derived_())
  {
    CppObjectType *const obj = dynamic_cast<CppObjectType* const>(obj_base);
    if(obj) // This can be NULL during destruction.
    {
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      try // Trap C++ exceptions which would normally be lost because this is a C callback.
      {
      #endif //GLIBMM_EXCEPTIONS_ENABLED
        // Call the virtual member method, which derived classes might override.
        return static_cast<int>(obj->unlock_stop_vfunc());
      #ifdef GLIBMM_EXCEPTIONS_ENABLED
      }
      catch(...)
      {
        Glib::exception_handlers_invoke();
      }
      #endif //GLIBMM_EXCEPTIONS_ENABLED
    }
  }
  
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
  );

  // Call the original underlying C function:
  if(base && base->unlock_stop)
    return (*base->unlock_stop)(self);

  return true;
}
bool Gst::BaseSink::unlock_stop_vfunc() 
{
  BaseClassType *const base = static_cast<BaseClassType*>(
      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
  );

  if(base && base->unlock_stop)
    return (*base->unlock_stop)(gobj());

  return true;
}

} // namespace Gst
