gstreamer/ges/ges-track-source.c

118 lines
3.2 KiB
C

/* GStreamer Editing Services
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
* 2009 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:ges-track-source
* @short_description: Base Class for single-media sources
*/
#include "ges-internal.h"
#include "ges-track-object.h"
#include "ges-track-source.h"
G_DEFINE_TYPE (GESTrackSource, ges_track_source, GES_TYPE_TRACK_OBJECT);
static void
ges_track_source_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_track_source_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_track_source_dispose (GObject * object)
{
G_OBJECT_CLASS (ges_track_source_parent_class)->dispose (object);
}
static void
ges_track_source_finalize (GObject * object)
{
G_OBJECT_CLASS (ges_track_source_parent_class)->finalize (object);
}
static gboolean
ges_track_source_create_gnl_object (GESTrackObject * object)
{
GESTrackSourceClass *klass = NULL;
GESTrackSource *self = NULL;
GstElement *child = NULL;
GstElement *gnlobject;
self = GES_TRACK_SOURCE (object);
klass = GES_TRACK_SOURCE_GET_CLASS (self);
gnlobject = gst_element_factory_make ("gnlsource", NULL);
if (klass->create_element) {
child = klass->create_element (self);
if (G_UNLIKELY (!child)) {
GST_ERROR ("create_element returned NULL");
return TRUE;
}
gst_bin_add (GST_BIN (gnlobject), child);
self->element = child;
}
object->gnlobject = gnlobject;
return TRUE;
}
static void
ges_track_source_class_init (GESTrackSourceClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GESTrackObjectClass *track_class = GES_TRACK_OBJECT_CLASS (klass);
object_class->get_property = ges_track_source_get_property;
object_class->set_property = ges_track_source_set_property;
object_class->dispose = ges_track_source_dispose;
object_class->finalize = ges_track_source_finalize;
track_class->create_gnl_object = ges_track_source_create_gnl_object;
klass->create_element = NULL;
}
static void
ges_track_source_init (GESTrackSource * self)
{
}
GESTrackSource *
ges_track_source_new (void)
{
return g_object_new (GES_TYPE_TRACK_SOURCE, NULL);
}