/usr/include/gstreamer-1.0/ges/ges-track-element.h is in libges-1.0-dev 1.14.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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.
*/
#ifndef _GES_TRACK_ELEMENT
#define _GES_TRACK_ELEMENT
#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()
#define GES_TRACK_ELEMENT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK_ELEMENT, GESTrackElement))
#define GES_TRACK_ELEMENT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK_ELEMENT, GESTrackElementClass))
#define GES_IS_TRACK_ELEMENT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK_ELEMENT))
#define GES_IS_TRACK_ELEMENT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK_ELEMENT))
#define GES_TRACK_ELEMENT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK_ELEMENT, GESTrackElementClass))
typedef struct _GESTrackElementPrivate GESTrackElementPrivate;
/**
* 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:
* @nleobject_factorytype: name of the GNonLin GStElementFactory type to use.
* @create_gnl_object: method to create the GNonLin container object.
* @create_element: method to return the GstElement to put in the nleobject.
* @active_changed: active property of nleobject has changed
* @list_children_properties: method to get children properties that user could
* like to configure.
* The default implementation will create an object
* of type @nleobject_factorytype and call
* @create_element.
* DeprecatedUse: GESTimelineElement.list_children_properties instead
* @lookup_child: method letting subclasses look for a child, overriding the
* simple standard behaviour. This vmethod can be used for example
* in the case where you want the name of a child property to be
* 'overriden'. A good example of where it is usefull is the
* GESTitleSource where we have a videotestsrc which has a
* 'foreground-color' property that is used in the TitleSource to
* set the background color of the title, in that case, this method
* has been overriden so that we tweak the name passed has parametter
* to rename "background" to "foreground-backend" making our API
* understandable.
* Deprecated: use GESTimelineElement.lookup_child instead
*
* Subclasses can override the @create_gnl_object method to override what type
* of GNonLin object will be created.
*/
struct _GESTrackElementClass {
/*< private >*/
GESTimelineElementClass parent_class;
/*< public >*/
/* virtual methods for subclasses */
const gchar *nleobject_factorytype;
GstElement* (*create_gnl_object) (GESTrackElement * object);
GstElement* (*create_element) (GESTrackElement * object);
void (*active_changed) (GESTrackElement *object, gboolean active);
/*< private >*/
/* signals (currently unused) */
void (*changed) (GESTrackElement * object);
/*< public >*/
/* virtual methods for subclasses */
GParamSpec** (*list_children_properties) (GESTrackElement * object,
guint *n_properties);
gboolean (*lookup_child) (GESTrackElement *object,
const gchar *prop_name,
GstElement **element,
GParamSpec **pspec);
/*< private >*/
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING_LARGE];
};
GES_API
GType ges_track_element_get_type (void);
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_gnlobject (GESTrackElement * object);
GES_API
GstElement * ges_track_element_get_element (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 GParamSpec **
ges_track_element_list_children_properties (GESTrackElement *object,
guint *n_properties);
GES_API
gboolean ges_track_element_lookup_child (GESTrackElement *object,
const gchar *prop_name,
GstElement **element,
GParamSpec **pspec);
GES_API void
ges_track_element_get_child_property_by_pspec (GESTrackElement * object,
GParamSpec * pspec,
GValue * value);
GES_API void
ges_track_element_get_child_property_valist (GESTrackElement * object,
const gchar * first_property_name,
va_list var_args);
GES_API
void ges_track_element_get_child_properties (GESTrackElement *object,
const gchar * first_property_name,
...) G_GNUC_NULL_TERMINATED;
GES_API void
ges_track_element_set_child_property_valist (GESTrackElement * object,
const gchar * first_property_name,
va_list var_args);
GES_API void
ges_track_element_set_child_property_by_pspec (GESTrackElement * object,
GParamSpec * pspec,
GValue * value);
GES_API
void ges_track_element_set_child_properties (GESTrackElement * object,
const gchar * first_property_name,
...) G_GNUC_NULL_TERMINATED;
GES_API
gboolean ges_track_element_set_child_property (GESTrackElement *object,
const gchar *property_name,
GValue * value);
GES_API
gboolean ges_track_element_get_child_property (GESTrackElement *object,
const gchar *property_name,
GValue * value);
GES_API gboolean
ges_track_element_edit (GESTrackElement * object,
GList *layers, GESEditMode mode,
GESEdge edge, guint64 position);
GES_API gboolean
ges_track_element_set_control_source (GESTrackElement *object,
GstControlSource *source,
const gchar *property_name,
const gchar *binding_type);
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);
G_END_DECLS
#endif /* _GES_TRACK_ELEMENT */
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