1 /* GStreamer Editing Services
2 * Copyright (C) 2009 Edward Hervey <bilboed@bilboed.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #include "ges-internal.h"
21 #include "ges-track.h"
22 #include "ges-track-object.h"
27 * Corresponds to one output format (i.e. audio OR video)
29 * Contains the compatible TrackObject(s)
32 G_DEFINE_TYPE (GESTrack, ges_track, GST_TYPE_BIN);
35 ges_track_get_property (GObject * object, guint property_id,
36 GValue * value, GParamSpec * pspec)
38 switch (property_id) {
40 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
45 ges_track_set_property (GObject * object, guint property_id,
46 const GValue * value, GParamSpec * pspec)
48 switch (property_id) {
50 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
55 ges_track_dispose (GObject * object)
57 GESTrack *track = (GESTrack *) object;
59 /* FIXME : Remove all TrackObjects ! */
61 if (track->composition) {
62 g_object_unref (track->composition);
63 track->composition = NULL;
66 G_OBJECT_CLASS (ges_track_parent_class)->dispose (object);
70 ges_track_finalize (GObject * object)
72 G_OBJECT_CLASS (ges_track_parent_class)->finalize (object);
76 ges_track_class_init (GESTrackClass * klass)
78 GObjectClass *object_class = G_OBJECT_CLASS (klass);
80 object_class->get_property = ges_track_get_property;
81 object_class->set_property = ges_track_set_property;
82 object_class->dispose = ges_track_dispose;
83 object_class->finalize = ges_track_finalize;
87 ges_track_init (GESTrack * self)
89 self->composition = gst_element_factory_make ("gnlcomposition", NULL);
95 return g_object_new (GES_TYPE_TRACK, NULL);
99 ges_track_set_timeline (GESTrack * track, GESTimeline * timeline)
101 GST_DEBUG ("track:%p, timeline:%p", track, timeline);
103 track->timeline = timeline;
107 ges_track_add_object (GESTrack * track, GESTrackObject * object)
109 GST_DEBUG ("track:%p, object:%p", track, object);
111 if (G_UNLIKELY (object->track != NULL)) {
112 GST_WARNING ("Object already belongs to another track");
116 if (G_UNLIKELY (object->gnlobject != NULL)) {
117 GST_ERROR ("TrackObject doesn't have a gnlobject !");
121 if (G_UNLIKELY (!ges_track_object_set_track (object, track))) {
122 GST_ERROR ("Couldn't properly add the object to the Track");
126 GST_DEBUG ("Adding object to ourself");
128 /* make sure the object has a valid gnlobject ! */
129 if (G_UNLIKELY (!gst_bin_add (GST_BIN (track->composition),
130 object->gnlobject))) {
131 GST_WARNING ("Couldn't add object to the GnlComposition");
139 ges_track_remove_object (GESTrack * track, GESTrackObject * object)
141 GST_DEBUG ("track:%p, object:%p", track, object);
143 if (G_UNLIKELY (object->track != track)) {
144 GST_WARNING ("Object belongs to another track");
148 if (G_LIKELY (object->gnlobject != NULL)) {
149 GST_DEBUG ("Removing GnlObject from composition");
150 if (!gst_bin_remove (GST_BIN (track->composition), object->gnlobject)) {
151 GST_WARNING ("Failed to remove gnlobject from composition");
156 ges_track_object_set_track (object, NULL);