gstreamer/ges/ges-custom-timeline-source.h

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/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
* 2009 Nokia Corporation
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*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GES_CUST_TIMELINE_SRC
#define _GES_CUST_TIMELINE_SRC
#include <glib-object.h>
#include <ges/ges-types.h>
#include <ges/ges-timeline-source.h>
G_BEGIN_DECLS
#define GES_TYPE_CUSTOM_TIMELINE_SOURCE ges_cust_timeline_src_get_type()
#define GES_CUSTOM_TIMELINE_SOURCE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_CUSTOM_TIMELINE_SOURCE, GESCustomTimelineSource))
#define GES_CUSTOM_TIMELINE_SOURCE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_CUSTOM_TIMELINE_SOURCE, GESCustomTimelineSourceClass))
#define GES_IS_CUSTOM_TIMELINE_SOURCE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_CUSTOM_TIMELINE_SOURCE))
#define GES_IS_CUSTOM_TIMELINE_SOURCE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_CUSTOM_TIMELINE_SOURCE))
#define GES_CUSTOM_TIMELINE_SOURCE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_CUSTOM_TIMELINE_SOURCE, GESCustomTimelineSourceClass))
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/**
* FillTrackObjectUserFunc:
* @object: the #GESTimelineObject controlling the track object
* @trobject: the #GESTrackObject
* @gnlobj: the GNonLin object that needs to be filled.
* @user_data: the gpointer to optional user data
*
* A function that will be called when the GNonLin object of a corresponding
* track object needs to be filled.
*
* The implementer of this function shall add the proper #GstElement to @gnlobj
* using gst_bin_add().
*
* Returns: TRUE if the implementer succesfully filled the @gnlobj, else #FALSE.
*/
typedef gboolean (*FillTrackObjectUserFunc) (GESTimelineObject * object,
GESTrackObject * trobject,
GstElement * gnlobj,
gpointer user_data);
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struct _GESCustomTimelineSource {
GESTimelineSource parent;
FillTrackObjectUserFunc filltrackobjectfunc;
gpointer user_data;
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};
struct _GESCustomTimelineSourceClass {
GESTimelineSourceClass parent_class;
};
GType ges_cust_timeline_src_get_type (void);
GESCustomTimelineSource*
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ges_custom_timeline_source_new (FillTrackObjectUserFunc func,
gpointer user_data);
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G_END_DECLS
#endif /* _GES_CUST_TIMELINE_SRC */