2009-08-04 15:16:31 +00:00
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/* GStreamer Editing Services
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2009-11-30 14:14:25 +00:00
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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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2009-08-04 15:16:31 +00:00
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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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2009-08-06 15:38:43 +00:00
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#include <gst/gst.h>
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#include <ges/ges-types.h>
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2009-08-07 16:18:42 +00:00
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#include <ges/ges-timeline-object.h>
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#include <ges/ges-track.h>
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2009-08-04 15:16:31 +00:00
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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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2009-09-30 14:42:31 +00:00
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/**
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* GES_TRACK_OBJECT_START:
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* @obj: a #GESTrackObject
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*
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* The start position of the object (in nanoseconds).
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*/
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#define GES_TRACK_OBJECT_START(obj) (((GESTrackObject*)obj)->start)
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/**
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* GES_TRACK_OBJECT_INPOINT:
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* @obj: a #GESTrackObject
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*
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* The in-point of the object (in nanoseconds).
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*/
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#define GES_TRACK_OBJECT_INPOINT(obj) (((GESTrackObject*)obj)->inpoint)
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/**
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* GES_TRACK_OBJECT_DURATION:
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* @obj: a #GESTrackObject
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*
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* The duration position of the object (in nanoseconds).
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*/
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#define GES_TRACK_OBJECT_DURATION(obj) (((GESTrackObject*)obj)->duration)
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/**
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* GES_TRACK_OBJECT_PRIORITY:
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* @obj: a #GESTrackObject
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*
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2010-07-09 11:48:19 +00:00
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* The base priority of the object.
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2009-09-30 14:42:31 +00:00
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*/
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2010-07-08 16:51:38 +00:00
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#define GES_TRACK_OBJECT_PRIORITY(obj) (((GESTrackObject*)obj)->base_priority)
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2009-09-30 14:42:31 +00:00
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2010-07-09 11:48:19 +00:00
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/**
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* GES_TRACK_OBJECT_PRIORITY_OFFSET:
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* @obj: a #GESTrackObject
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*
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* The priority of the object relative to its parent timeline object.
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*/
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#define GES_TRACK_OBJECT_PRIORITY_OFFSET(obj)\
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(((GESTrackObject*)obj)->priority_offset)
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2009-09-14 14:33:25 +00:00
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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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* @base_priority: base priority of the object in the track (0:top priority)
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* @priority_offset: priority relative to its parent timeline object.
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2010-07-08 16:51:38 +00:00
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* @gnl_priority: the cached gnl priority (base + offset)
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2009-12-11 14:24:56 +00:00
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* @active: Whether the object is to be used or not.
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2009-09-14 14:33:25 +00:00
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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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2009-08-04 15:16:31 +00:00
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struct _GESTrackObject {
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GObject parent;
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2009-08-06 09:23:01 +00:00
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2009-09-14 14:33:25 +00:00
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/*< public >*/
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GESTimelineObject *timelineobj;
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GESTrack *track;
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2009-08-06 09:23:01 +00:00
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2009-09-14 14:33:25 +00:00
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gboolean valid;
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2009-08-07 14:43:01 +00:00
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2009-08-06 09:23:01 +00:00
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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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2010-07-08 16:51:38 +00:00
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guint32 gnl_priority;
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2009-09-30 14:40:59 +00:00
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gboolean active;
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2010-07-08 16:51:38 +00:00
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/* cache the base priority and offset */
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guint32 base_priority;
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guint32 priority_offset;
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2009-12-11 14:13:19 +00:00
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/*< private >*/
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/* These fields are only used before the gnlobject is available */
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guint64 pending_start;
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guint64 pending_inpoint;
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guint64 pending_duration;
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2010-07-08 16:51:38 +00:00
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guint32 pending_gnl_priority;
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2009-12-11 14:13:19 +00:00
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gboolean pending_active;
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2010-07-08 16:51:38 +00:00
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2009-09-14 14:33:25 +00:00
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GstElement *gnlobject;
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2009-08-04 15:16:31 +00:00
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};
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2009-09-14 14:33:25 +00:00
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/**
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* GESTrackObjectClass:
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2010-05-31 16:59:12 +00:00
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* @parent_class: parent class
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* @create_gnl_object: method to create the GNonLin container object.
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* @start_changed: start property of gnlobject has changed
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* @media_start_changed: media-start property of gnlobject has changed
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* @duration_changed: duration property glnobject has changed
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2010-07-08 16:51:38 +00:00
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* @gnl_priority_changed: duration property glnobject has changed
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2010-07-08 10:35:41 +00:00
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* @active_changed: active property of gnlobject has changed
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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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2009-08-04 15:16:31 +00:00
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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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2009-09-14 14:33:25 +00:00
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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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void (*start_changed) (GESTrackObject *object, guint64 start);
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void (*media_start_changed) (GESTrackObject *object, guint64 media_start);
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2010-07-08 16:51:38 +00:00
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void (*gnl_priority_changed) (GESTrackObject *object, guint priority);
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void (*duration_changed) (GESTrackObject *object, guint64 duration);
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void (*active_changed) (GESTrackObject *object, gboolean active);
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2009-08-04 15:16:31 +00:00
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};
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GType ges_track_object_get_type (void);
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2009-08-07 14:43:01 +00:00
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gboolean ges_track_object_set_track (GESTrackObject * object, GESTrack * track);
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2009-08-06 15:38:43 +00:00
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void ges_track_object_set_timeline_object (GESTrackObject * object, GESTimelineObject * tlobject);
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2009-08-06 09:23:01 +00:00
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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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2010-07-08 16:51:38 +00:00
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gboolean ges_track_object_set_priority_offset_internal(GESTrackObject *
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object, guint32 priority_offset);
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2009-09-30 14:40:59 +00:00
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gboolean ges_track_object_set_active (GESTrackObject * object, gboolean active);
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2009-08-04 15:16:31 +00:00
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G_END_DECLS
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#endif /* _GES_TRACK_OBJECT */
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