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);
41 ges_track_get_property (GObject * object, guint property_id,
42 GValue * value, GParamSpec * pspec)
44 GESTrack *track = GES_TRACK (object);
46 switch (property_id) {
48 gst_value_set_caps (value, track->caps);
51 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
56 ges_track_set_property (GObject * object, guint property_id,
57 const GValue * value, GParamSpec * pspec)
59 GESTrack *track = GES_TRACK (object);
61 switch (property_id) {
63 ges_track_set_caps (track, gst_value_get_caps (value));
66 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
71 ges_track_dispose (GObject * object)
73 GESTrack *track = (GESTrack *) object;
75 /* FIXME : Remove all TrackObjects ! */
77 if (track->composition) {
78 gst_bin_remove (GST_BIN (object), track->composition);
79 track->composition = NULL;
82 G_OBJECT_CLASS (ges_track_parent_class)->dispose (object);
86 ges_track_finalize (GObject * object)
88 G_OBJECT_CLASS (ges_track_parent_class)->finalize (object);
92 ges_track_class_init (GESTrackClass * klass)
94 GObjectClass *object_class = G_OBJECT_CLASS (klass);
96 object_class->get_property = ges_track_get_property;
97 object_class->set_property = ges_track_set_property;
98 object_class->dispose = ges_track_dispose;
99 object_class->finalize = ges_track_finalize;
101 g_object_class_install_property (object_class, ARG_CAPS,
102 g_param_spec_boxed ("caps", "Caps",
103 "Caps used to filter/choose the output stream",
104 GST_TYPE_CAPS, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
108 ges_track_init (GESTrack * self)
110 self->composition = gst_element_factory_make ("gnlcomposition", NULL);
112 if (!gst_bin_add (GST_BIN (self), self->composition))
113 GST_ERROR ("Couldn't add composition to bin !");
117 ges_track_new (GstCaps * caps)
119 return g_object_new (GES_TYPE_TRACK, "caps", caps, NULL);
123 ges_track_video_raw_new ()
126 GstCaps *caps = gst_caps_from_string ("video/x-raw-yuv;video/x-raw-rgb");
128 track = ges_track_new (caps);
129 gst_caps_unref (caps);
135 ges_track_audio_raw_new ()
138 GstCaps *caps = gst_caps_from_string ("audio/x-raw-int;audio/x-raw-float");
140 track = ges_track_new (caps);
141 gst_caps_unref (caps);
147 ges_track_set_timeline (GESTrack * track, GESTimeline * timeline)
149 GST_DEBUG ("track:%p, timeline:%p", track, timeline);
151 track->timeline = timeline;
155 ges_track_set_caps (GESTrack * track, const GstCaps * caps)
157 GST_DEBUG ("track:%p, caps:%" GST_PTR_FORMAT, track, caps);
159 g_return_if_fail (GST_IS_CAPS (caps));
162 gst_caps_unref (track->caps);
163 track->caps = gst_caps_copy (caps);
165 /* FIXME : update all trackobjects ? */
169 ges_track_add_object (GESTrack * track, GESTrackObject * object)
171 GST_DEBUG ("track:%p, object:%p", track, object);
173 if (G_UNLIKELY (object->track != NULL)) {
174 GST_WARNING ("Object already belongs to another track");
178 if (G_UNLIKELY (object->gnlobject != NULL)) {
179 GST_ERROR ("TrackObject doesn't have a gnlobject !");
183 if (G_UNLIKELY (!ges_track_object_set_track (object, track))) {
184 GST_ERROR ("Couldn't properly add the object to the Track");
188 GST_DEBUG ("Adding object to ourself");
190 /* make sure the object has a valid gnlobject ! */
191 if (G_UNLIKELY (!gst_bin_add (GST_BIN (track->composition),
192 object->gnlobject))) {
193 GST_WARNING ("Couldn't add object to the GnlComposition");
201 ges_track_remove_object (GESTrack * track, GESTrackObject * object)
203 GST_DEBUG ("track:%p, object:%p", track, object);
205 if (G_UNLIKELY (object->track != track)) {
206 GST_WARNING ("Object belongs to another track");
210 if (G_LIKELY (object->gnlobject != NULL)) {
211 GST_DEBUG ("Removing GnlObject from composition");
212 if (!gst_bin_remove (GST_BIN (track->composition), object->gnlobject)) {
213 GST_WARNING ("Failed to remove gnlobject from composition");
218 ges_track_object_set_track (object, NULL);