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111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <bilboed@bilboed.com>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _GES_TRACK_OBJECT
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#define _GES_TRACK_OBJECT
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#include <glib-object.h>
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#include <gst/gst.h>
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#include <ges/ges-types.h>
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#include <ges/ges-timeline-object.h>
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#include <ges/ges-track.h>
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G_BEGIN_DECLS
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#define GES_TYPE_TRACK_OBJECT ges_track_object_get_type()
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#define GES_TRACK_OBJECT(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK_OBJECT, GESTrackObject))
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#define GES_TRACK_OBJECT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK_OBJECT, GESTrackObjectClass))
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#define GES_IS_TRACK_OBJECT(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK_OBJECT))
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#define GES_IS_TRACK_OBJECT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK_OBJECT))
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#define GES_TRACK_OBJECT_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK_OBJECT, GESTrackObjectClass))
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/**
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* GESTrackObject:
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* @timelineobj: The #GESTimelineObject to which this object belongs.
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* @track: The #GESTrack in which this object is.
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* @valid: #TRUE if the content of the @gnlobject is valid.
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* @start: Position (in nanoseconds) of the object the track.
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* @inpoint: in-point (in nanoseconds) of the object in the track.
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* @duration: Duration of the object
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* @priority: Priority of the object in the track (0:top priority)
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* @gnlobject: The GNonLin object this object is controlling.
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*
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* The GESTrackObject base class. Only sub-classes can access these fields.
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*/
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struct _GESTrackObject {
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GObject parent;
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/*< public >*/
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GESTimelineObject *timelineobj;
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GESTrack *track;
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gboolean valid;
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/* Cached values of the gnlobject properties */
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guint64 start;
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guint64 inpoint;
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guint64 duration;
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guint32 priority;
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GstElement *gnlobject;
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};
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/**
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* GESTrackObjectClass:
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* @create_gnl_object: method to create the GNonLin container object.
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*
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* Subclasses can override the @create_gnl_object method to override what type
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* of GNonLin object will be created.
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*/
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struct _GESTrackObjectClass {
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GObjectClass parent_class;
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/*< private >*/
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/* signals */
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void (*changed) (GESTrackObject * object);
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/*< public >*/
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/* virtual methods for subclasses */
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gboolean (*create_gnl_object) (GESTrackObject * object);
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};
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GType ges_track_object_get_type (void);
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gboolean ges_track_object_set_track (GESTrackObject * object, GESTrack * track);
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void ges_track_object_set_timeline_object (GESTrackObject * object, GESTimelineObject * tlobject);
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/* Private methods for GESTimelineObject's usage only */
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gboolean ges_track_object_set_start_internal (GESTrackObject * object, guint64 start);
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gboolean ges_track_object_set_inpoint_internal (GESTrackObject * object, guint64 inpoint);
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gboolean ges_track_object_set_duration_internal (GESTrackObject * object, guint64 duration);
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gboolean ges_track_object_set_priority_internal (GESTrackObject * object, guint32 priority);
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G_END_DECLS
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#endif /* _GES_TRACK_OBJECT */
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