gstreamer/ges/ges-track-object.h
2009-08-07 18:18:42 +02:00

90 lines
3.2 KiB
C

/* GStreamer Editing Services
* Copyright (C) 2009 Edward Hervey <bilboed@bilboed.com>
*
* 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_TRACK_OBJECT
#define _GES_TRACK_OBJECT
#include <glib-object.h>
#include <gst/gst.h>
#include <ges/ges-types.h>
#include <ges/ges-timeline-object.h>
#include <ges/ges-track.h>
G_BEGIN_DECLS
#define GES_TYPE_TRACK_OBJECT ges_track_object_get_type()
#define GES_TRACK_OBJECT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK_OBJECT, GESTrackObject))
#define GES_TRACK_OBJECT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK_OBJECT, GESTrackObjectClass))
#define GES_IS_TRACK_OBJECT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK_OBJECT))
#define GES_IS_TRACK_OBJECT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK_OBJECT))
#define GES_TRACK_OBJECT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK_OBJECT, GESTrackObjectClass))
struct _GESTrackObject {
GObject parent;
GESTimelineObject *timelineobj; /* The associated timeline object */
GESTrack *track; /* The associated Track */
gboolean valid; /* TRUE if the contents of gnlobject are valid/usable */
/* Cached values of the gnlobject properties */
guint64 start; /* position (in time) of the object in the layer */
guint64 inpoint; /* in-point */
guint64 duration; /* duration of the object used in the layer */
guint32 priority; /* priority of the object in the layer (0:top priority) */
GstElement *gnlobject; /* The associated GnlObject */
};
struct _GESTrackObjectClass {
GObjectClass parent_class;
/* signal callbacks */
void (*changed) (GESTrackObject * object);
/* virtual methods */
gboolean (*create_gnl_object) (GESTrackObject * object);
};
GType ges_track_object_get_type (void);
GESTrackObject* ges_track_object_new (GESTimelineObject *timelineobj, GESTrack *track);
gboolean ges_track_object_set_track (GESTrackObject * object, GESTrack * track);
void ges_track_object_set_timeline_object (GESTrackObject * object, GESTimelineObject * tlobject);
/* Private methods for GESTimelineObject's usage only */
gboolean ges_track_object_set_start_internal (GESTrackObject * object, guint64 start);
gboolean ges_track_object_set_inpoint_internal (GESTrackObject * object, guint64 inpoint);
gboolean ges_track_object_set_duration_internal (GESTrackObject * object, guint64 duration);
gboolean ges_track_object_set_priority_internal (GESTrackObject * object, guint32 priority);
G_END_DECLS
#endif /* _GES_TRACK_OBJECT */