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/* GStreamer Editing Services
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
* 2009 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include <glib-object.h>
#include <gst/gst.h>
#include <ges/ges-types.h>
#include <ges/ges-clip.h>
#include <ges/ges-track.h>
#include <gst/controller/gstdirectcontrolbinding.h>
#include <gst/controller/gstinterpolationcontrolsource.h>
G_BEGIN_DECLS
#define GES_TYPE_TRACK_ELEMENT ges_track_element_get_type()
GES_DECLARE_TYPE(TrackElement, track_element, TRACK_ELEMENT)
/**
* GES_TRACK_ELEMENT_CLASS_DEFAULT_HAS_INTERNAL_SOURCE:
* @klass: A #GESTrackElementClass
*
* What the default #GESTrackElement:has-internal-source value should be
* for new elements from this class.
*/
#define GES_TRACK_ELEMENT_CLASS_DEFAULT_HAS_INTERNAL_SOURCE(klass) \
((GES_TRACK_ELEMENT_CLASS (klass))->ABI.abi.default_has_internal_source)
/**
* GESTrackElement:
*
* The #GESTrackElement base class.
*/
struct _GESTrackElement {
GESTimelineElement parent;
/*< private >*/
gboolean active;
GESTrackElementPrivate *priv;
GESAsset *asset;
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING_LARGE];
};
/**
* GESTrackElementClass:
*/
struct _GESTrackElementClass {
/*< private >*/
GESTimelineElementClass parent_class;
/*< public >*/
/**
* GESTrackElementClass::nleobject_factorytype:
*
* The name of the #GstElementFactory to use to create the underlying
* nleobject of a track element
*/
const gchar *nleobject_factorytype;
/**
* GESTrackElementClass::create_gnl_object:
* @object: The #GESTrackElement
*
* Returns: (transfer floating): the #NLEObject to use in the #nlecomposition
*/
GstElement* (*create_gnl_object) (GESTrackElement * object);
/**
* GESTrackElementClass::create_element:
* @object: The #GESTrackElement
*
* Returns: (transfer floating): the #GstElement that the underlying nleobject
* controls.
*/
GstElement* (*create_element) (GESTrackElement * object);
/**
* GESTrackElementClass::active_changed:
* @object: A #GESTrackElement
* @active: Whether the element is active or not inside the #nlecomposition
*
* Notify when the #GESTrackElement:active property changes
*/
void (*active_changed) (GESTrackElement *object, gboolean active);
/*< private >*/
/* signals (currently unused) */
/**
* GESTrackElementClass::changed:
*
* Deprecated:
*/
void (*changed) (GESTrackElement * object);
/**
* GESTrackElementClass::list_children_properties:
*
* Listing children properties is handled by
* ges_timeline_element_list_children_properties() instead.
*
* Deprecated: 1.14: Use #GESTimelineElementClass::list_children_properties
* instead
*/
GParamSpec** (*list_children_properties) (GESTrackElement * object,
guint *n_properties);
/**
* GESTrackElementClass::lookup_child:
*
* Deprecated: 1.14: Use #GESTimelineElementClass::lookup_child
* instead
*/
gboolean (*lookup_child) (GESTrackElement *object,
const gchar *prop_name,
GstElement **element,
GParamSpec **pspec);
/*< protected >*/
union {
gpointer _ges_reserved[GES_PADDING_LARGE];
struct {
gboolean default_has_internal_source;
GESTrackType default_track_type;
} abi;
} ABI;
};
GES_API
GESTrack* ges_track_element_get_track (GESTrackElement * object);
GES_API
GESTrackType ges_track_element_get_track_type (GESTrackElement * object);
GES_API
void ges_track_element_set_track_type (GESTrackElement * object,
GESTrackType type);
GES_API
GstElement * ges_track_element_get_nleobject (GESTrackElement * object);
GES_API
GstElement * ges_track_element_get_element (GESTrackElement * object);
GES_API
gboolean ges_track_element_is_core (GESTrackElement * object);
GES_API
gboolean ges_track_element_set_active (GESTrackElement * object,
gboolean active);
GES_API
gboolean ges_track_element_is_active (GESTrackElement * object);
GES_API gboolean
ges_track_element_set_has_internal_source (GESTrackElement * object,
gboolean has_internal_source);
GES_API
gboolean ges_track_element_has_internal_source (GESTrackElement * object);
GES_API void
ges_track_element_get_child_property_by_pspec (GESTrackElement * object,
GParamSpec * pspec,
GValue * value);
GES_API gboolean
ges_track_element_set_control_source (GESTrackElement *object,
GstControlSource *source,
const gchar *property_name,
const gchar *binding_type);
GES_API void
ges_track_element_clamp_control_source (GESTrackElement * object,
const gchar * property_name);
GES_API void
ges_track_element_set_auto_clamp_control_sources (GESTrackElement * object,
gboolean auto_clamp);
GES_API gboolean
ges_track_element_get_auto_clamp_control_sources (GESTrackElement * object);
GES_API GstControlBinding *
ges_track_element_get_control_binding (GESTrackElement *object,
const gchar *property_name);
GES_API void
ges_track_element_add_children_props (GESTrackElement *self,
GstElement *element,
const gchar ** wanted_categories,
const gchar **blacklist,
const gchar **whitelist);
GES_API GHashTable *
ges_track_element_get_all_control_bindings (GESTrackElement * trackelement);
GES_API gboolean
ges_track_element_remove_control_binding (GESTrackElement * object,
const gchar * property_name);
#include "ges-track-element-deprecated.h"
G_END_DECLS
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