1 /* GStreamer Editing Services
2 * Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
3 * 2009 Nokia Corporation
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
24 #include <glib-object.h>
25 #include <ges/ges-types.h>
29 #define GES_TYPE_LAYER ges_layer_get_type()
31 #define GES_LAYER(obj) \
32 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_LAYER, GESLayer))
34 #define GES_LAYER_CLASS(klass) \
35 (G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_LAYER, GESLayerClass))
37 #define GES_IS_LAYER(obj) \
38 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_LAYER))
40 #define GES_IS_LAYER_CLASS(klass) \
41 (G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_LAYER))
43 #define GES_LAYER_GET_CLASS(obj) \
44 (G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_LAYER, GESLayerClass))
46 typedef struct _GESLayerPrivate GESLayerPrivate;
50 * @timeline: the #GESTimeline where this layer is being used.
53 GInitiallyUnowned parent;
57 GESTimeline *timeline;
60 guint32 min_nle_priority, max_nle_priority;
62 GESLayerPrivate *priv;
64 /* Padding for API extension */
65 gpointer _ges_reserved[GES_PADDING];
70 * @get_objects: method to get the objects contained in the layer
72 * Subclasses can override the @get_objects if they can provide a more
73 * efficient way of providing the list of contained #GESClip(s).
75 struct _GESLayerClass {
77 GInitiallyUnownedClass parent_class;
80 /* virtual methods for subclasses */
81 GList *(*get_objects) (GESLayer * layer);
85 void (*object_added) (GESLayer * layer, GESClip * object);
86 void (*object_removed) (GESLayer * layer, GESClip * object);
88 /* Padding for API extension */
89 gpointer _ges_reserved[GES_PADDING];
92 GType ges_layer_get_type (void);
94 GESLayer* ges_layer_new (void);
96 void ges_layer_set_timeline (GESLayer * layer,
97 GESTimeline * timeline);
100 ges_layer_get_timeline (GESLayer * layer);
102 gboolean ges_layer_add_clip (GESLayer * layer,
104 GESClip * ges_layer_add_asset (GESLayer *layer,
107 GstClockTime inpoint,
108 GstClockTime duration,
109 GESTrackType track_types);
111 gboolean ges_layer_remove_clip (GESLayer * layer,
114 void ges_layer_set_priority (GESLayer * layer,
117 gboolean ges_layer_is_empty (GESLayer * layer);
119 GList* ges_layer_get_clips_in_interval (GESLayer * layer, GstClockTime start, GstClockTime end);
121 guint ges_layer_get_priority (GESLayer * layer);
123 gboolean ges_layer_get_auto_transition (GESLayer * layer);
125 void ges_layer_set_auto_transition (GESLayer * layer,
126 gboolean auto_transition);
128 GList* ges_layer_get_clips (GESLayer * layer);
129 GstClockTime ges_layer_get_duration (GESLayer *layer);
133 #endif /* _GES_LAYER */