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120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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* 2009 Nokia Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _GES_CONTAINER
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#define _GES_CONTAINER
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#include <glib-object.h>
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#include <gst/gst.h>
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#include <ges/ges-timeline-element.h>
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#include <ges/ges-types.h>
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#include <ges/ges-track.h>
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G_BEGIN_DECLS
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#define GES_TYPE_CONTAINER ges_container_get_type()
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#define GES_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_CONTAINER, GESContainer))
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#define GES_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_CONTAINER, GESContainerClass))
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#define GES_IS_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_CONTAINER))
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#define GES_IS_CONTAINER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_CONTAINER))
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#define GES_CONTAINER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_CONTAINER, GESContainerClass))
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typedef struct _GESContainerPrivate GESContainerPrivate;
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/**
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* GES_CONTAINER_HEIGHT:
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* @obj: a #GESContainer
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*
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* The span of priorities this object occupies.
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*/
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#define GES_CONTAINER_HEIGHT(obj) (((GESContainer*)obj)->height)
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/**
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* GES_CONTAINER_CHILDREN:
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* @obj: a #GESContainer
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*
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* A #GList containing the children of @object
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*/
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#define GES_CONTAINER_CHILDREN(obj) (((GESContainer*)obj)->children)
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/**
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* GESContainer:
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* @children: (element-type GES.TimelineElement): A list of TimelineElement
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* controlled by this Container. NOTE: Do not modify.
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* @height: The span of priorities this container occupies
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*
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*
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* The #GESContainer base class.
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*/
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struct _GESContainer
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{
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GESTimelineElement parent;
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/*< public > */
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/*< readonly >*/
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GList *children;
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/* We don't add those properties to the priv struct for optimization and code
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* readability purposes */
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guint32 height; /* the span of priorities this object needs */
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/*< private >*/
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GESContainerPrivate *priv;
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING_LARGE];
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};
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/**
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* GESContainerClass:
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* @child_added: Virtual method that is called right after a #GESTimelineElement is added
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* @child_removed: Virtual method that is called right after a #GESTimelineElement is removed
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* @remove_child: Virtual method to remove a child
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* @add_child: Virtual method to add a child
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* @get_priorty_range: Returns the range of possible priority in which the children can be in.
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*/
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struct _GESContainerClass
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{
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/*< private > */
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GESTimelineElementClass parent_class;
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/*< public > */
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/* signals */
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void (*child_added) (GESContainer *container, GESTimelineElement *element);
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void (*child_removed) (GESContainer *container, GESTimelineElement *element);
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gboolean (*add_child) (GESContainer *container, GESTimelineElement *element);
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gboolean (*remove_child) (GESContainer *container, GESTimelineElement *element);
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void (*get_priorty_range) (GESContainer *container, guint32 *min_prio, guint32 *max_prio);
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/*< private >*/
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING_LARGE];
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};
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GType ges_container_get_type (void);
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/* Children handling */
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GList* ges_container_get_children (GESContainer *container);
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gboolean ges_container_add (GESContainer *container, GESTimelineElement *child);
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gboolean ges_container_remove (GESContainer *container, GESTimelineElement *child);
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G_END_DECLS
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#endif /* _GES_CONTAINER */
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