mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-20 16:51:10 +00:00
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/* GStreamer Editing Services
|
|
* Copyright (C) 2010 Brandon Lewis <brandon@collabora.co.uk>
|
|
* 2010 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-transition
|
|
* @short_description: base class for audio and video transitions
|
|
*
|
|
*/
|
|
|
|
#include "ges-internal.h"
|
|
#include "ges-track-object.h"
|
|
#include "ges-track-transition.h"
|
|
#include "ges-timeline-transition.h"
|
|
|
|
G_DEFINE_TYPE (GESTrackTransition, ges_track_transition, GES_TYPE_TRACK_OBJECT);
|
|
|
|
GstElement *ges_track_transition_create_element (GESTrackTransition * self);
|
|
|
|
static void
|
|
ges_track_transition_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_transition_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_transition_dispose (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (ges_track_transition_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
ges_track_transition_finalize (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (ges_track_transition_parent_class)->finalize (object);
|
|
}
|
|
|
|
static gboolean
|
|
ges_track_transition_create_gnl_object (GESTrackObject * object)
|
|
{
|
|
GESTrackTransition *self;
|
|
GESTrackTransitionClass *klass;
|
|
GstElement *element;
|
|
gchar *name;
|
|
static gint tnum = 0;
|
|
|
|
self = GES_TRACK_TRANSITION (object);
|
|
klass = GES_TRACK_TRANSITION_GET_CLASS (object);
|
|
|
|
name = g_strdup_printf ("transition-operation%d", tnum++);
|
|
object->gnlobject = gst_element_factory_make ("gnloperation", name);
|
|
g_free (name);
|
|
|
|
g_object_set (object->gnlobject, "priority", 0, NULL);
|
|
|
|
element = klass->create_element (self);
|
|
if (!GST_IS_ELEMENT (element))
|
|
return FALSE;
|
|
|
|
gst_bin_add (GST_BIN (object->gnlobject), element);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GstElement *
|
|
ges_track_transition_create_element (GESTrackTransition * self)
|
|
{
|
|
GST_WARNING ("transitions don't handle this track type!");
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
ges_track_transition_class_init (GESTrackTransitionClass * klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GESTrackObjectClass *track_class = GES_TRACK_OBJECT_CLASS (klass);
|
|
|
|
object_class->get_property = ges_track_transition_get_property;
|
|
object_class->set_property = ges_track_transition_set_property;
|
|
object_class->dispose = ges_track_transition_dispose;
|
|
object_class->finalize = ges_track_transition_finalize;
|
|
|
|
track_class->create_gnl_object = ges_track_transition_create_gnl_object;
|
|
klass->create_element = ges_track_transition_create_element;
|
|
}
|
|
|
|
static void
|
|
ges_track_transition_init (GESTrackTransition * self)
|
|
{
|
|
}
|