mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-11 20:01:35 +00:00
129 lines
3.8 KiB
C
129 lines
3.8 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-timeline-source
|
|
* @short_description: Base Class for sources of a #GESTimelineLayer
|
|
*/
|
|
|
|
#include "ges-internal.h"
|
|
#include "ges-timeline-object.h"
|
|
#include "ges-timeline-source.h"
|
|
#include "ges-track-source.h"
|
|
|
|
G_DEFINE_TYPE (GESTimelineSource, ges_timeline_source,
|
|
GES_TYPE_TIMELINE_OBJECT);
|
|
|
|
static GESTrackObject
|
|
* ges_timeline_source_create_track_object (GESTimelineObject * obj,
|
|
GESTrack * track);
|
|
|
|
static gboolean
|
|
ges_timeline_source_create_track_objects (GESTimelineObject * obj,
|
|
GESTrack * track);
|
|
|
|
static void
|
|
ges_timeline_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_timeline_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_timeline_source_dispose (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (ges_timeline_source_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
ges_timeline_source_finalize (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (ges_timeline_source_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
ges_timeline_source_class_init (GESTimelineSourceClass * klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GESTimelineObjectClass *timobj_class = GES_TIMELINE_OBJECT_CLASS (klass);
|
|
|
|
object_class->get_property = ges_timeline_source_get_property;
|
|
object_class->set_property = ges_timeline_source_set_property;
|
|
object_class->dispose = ges_timeline_source_dispose;
|
|
object_class->finalize = ges_timeline_source_finalize;
|
|
|
|
timobj_class->create_track_object = ges_timeline_source_create_track_object;
|
|
|
|
timobj_class->create_track_objects = ges_timeline_source_create_track_objects;
|
|
}
|
|
|
|
static void
|
|
ges_timeline_source_init (GESTimelineSource * self)
|
|
{
|
|
}
|
|
|
|
GESTimelineSource *
|
|
ges_timeline_source_new (void)
|
|
{
|
|
return g_object_new (GES_TYPE_TIMELINE_SOURCE, NULL);
|
|
}
|
|
|
|
static GESTrackObject *
|
|
ges_timeline_source_create_track_object (GESTimelineObject * obj,
|
|
GESTrack * track)
|
|
{
|
|
GST_DEBUG ("Creating a GESTrackSource");
|
|
/* FIXME : Implement properly ! */
|
|
return (GESTrackObject *) ges_track_source_new ();
|
|
}
|
|
|
|
static gboolean
|
|
ges_timeline_source_create_track_objects (GESTimelineObject * obj,
|
|
GESTrack * track)
|
|
{
|
|
GESTrackObject *primary;
|
|
|
|
/* calls add_track_object() for us. we already own this reference */
|
|
primary = ges_timeline_object_create_track_object (obj, track);
|
|
if (!primary) {
|
|
GST_WARNING ("couldn't create primary track object");
|
|
return FALSE;
|
|
}
|
|
|
|
/* create priority space for the text overlay. do this regardless of
|
|
* wthether we create an overlay so that track objects have a consistent
|
|
* priority between tracks. */
|
|
g_object_set (primary, "priority-offset", (guint) 1, NULL);
|
|
|
|
return ges_track_add_object (track, primary);
|
|
}
|