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128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/* GStreamer Editing Services
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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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*
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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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/**
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* SECTION:ges-track-source
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* @short_description: Base Class for single-media sources
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*/
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#include "ges-internal.h"
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#include "ges-track-object.h"
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#include "ges-track-source.h"
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G_DEFINE_TYPE (GESTrackSource, ges_track_source, GES_TYPE_TRACK_OBJECT);
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struct _GESTrackSourcePrivate
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{
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/* Dummy variable */
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void *nothing;
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};
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static void
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ges_track_source_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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switch (property_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ges_track_source_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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switch (property_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ges_track_source_dispose (GObject * object)
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{
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G_OBJECT_CLASS (ges_track_source_parent_class)->dispose (object);
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}
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static void
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ges_track_source_finalize (GObject * object)
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{
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G_OBJECT_CLASS (ges_track_source_parent_class)->finalize (object);
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}
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static gboolean
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ges_track_source_create_gnl_object (GESTrackObject * object)
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{
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GESTrackSourceClass *klass = NULL;
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GESTrackSource *self = NULL;
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GstElement *child = NULL;
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GstElement *gnlobject;
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self = GES_TRACK_SOURCE (object);
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klass = GES_TRACK_SOURCE_GET_CLASS (self);
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gnlobject = gst_element_factory_make ("gnlsource", NULL);
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if (klass->create_element) {
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child = klass->create_element (self);
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if (G_UNLIKELY (!child)) {
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GST_ERROR ("create_element returned NULL");
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return TRUE;
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}
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gst_bin_add (GST_BIN (gnlobject), child);
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self->element = child;
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}
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object->gnlobject = gnlobject;
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return TRUE;
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}
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static void
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ges_track_source_class_init (GESTrackSourceClass * klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GESTrackObjectClass *track_class = GES_TRACK_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GESTrackSourcePrivate));
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object_class->get_property = ges_track_source_get_property;
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object_class->set_property = ges_track_source_set_property;
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object_class->dispose = ges_track_source_dispose;
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object_class->finalize = ges_track_source_finalize;
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track_class->create_gnl_object = ges_track_source_create_gnl_object;
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klass->create_element = NULL;
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}
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static void
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ges_track_source_init (GESTrackSource * self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
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GES_TYPE_TRACK_SOURCE, GESTrackSourcePrivate);
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}
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GESTrackSource *
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ges_track_source_new (void)
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{
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return g_object_new (GES_TYPE_TRACK_SOURCE, NULL);
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}
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