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/* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:gessourceclip
* @title: GESSourceClip
* @short_description: Base Class for sources of a #GESLayer
*
* #GESSourceClip-s are clips whose core elements are #GESSource-s.
*
* ## Effects
*
* #GESSourceClip-s can also have #GESBaseEffect-s added as non-core
* elements. These effects are applied to the core sources of the clip
* that they share a #GESTrack with. See #GESClip for how to add and move
* these effects from the clip.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ges-internal.h"
#include "ges-clip.h"
#include "ges-source-clip.h"
#include "ges-source.h"
struct _GESSourceClipPrivate
{
/* dummy variable */
void *nothing;
};
enum
{
PROP_0,
};
static GESExtractableInterface *parent_extractable_iface = NULL;
static gchar *
extractable_check_id (GType type, const gchar * id, GError ** error)
{
if (type == GES_TYPE_SOURCE_CLIP) {
g_set_error (error, GES_ERROR, GES_ERROR_ASSET_WRONG_ID,
"Only `time-overlay` is supported as an ID for type: `GESSourceClip`,"
" got: '%s'", id);
return NULL;
}
return parent_extractable_iface->check_id (type, id, error);
}
static GType
extractable_get_real_extractable_type (GType wanted_type, const gchar * id)
{
GstStructure *structure;
if (!id || (wanted_type != GES_TYPE_SOURCE_CLIP
&& wanted_type != GES_TYPE_TEST_CLIP))
return wanted_type;
structure = gst_structure_new_from_string (id);
if (!structure)
return wanted_type;
if (gst_structure_has_name (structure, "time-overlay"))
/* Just reusing TestClip to create a GESTimeOverlayClip
* as it already does the job! */
wanted_type = GES_TYPE_TEST_CLIP;
gst_structure_free (structure);
return wanted_type;
}
static void
extractable_interface_init (GESExtractableInterface * iface)
{
iface->asset_type = GES_TYPE_SOURCE_CLIP_ASSET;
iface->get_real_extractable_type = extractable_get_real_extractable_type;
iface->check_id = extractable_check_id;
parent_extractable_iface = g_type_interface_peek_parent (iface);
}
G_DEFINE_TYPE_WITH_CODE (GESSourceClip, ges_source_clip,
GES_TYPE_CLIP, G_ADD_PRIVATE (GESSourceClip)
G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE, extractable_interface_init));
static void
ges_source_clip_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_source_clip_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_source_clip_finalize (GObject * object)
{
G_OBJECT_CLASS (ges_source_clip_parent_class)->finalize (object);
}
static void
ges_source_clip_class_init (GESSourceClipClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = ges_source_clip_get_property;
object_class->set_property = ges_source_clip_set_property;
object_class->finalize = ges_source_clip_finalize;
GES_CLIP_CLASS_CAN_ADD_EFFECTS (klass) = TRUE;
}
static void
ges_source_clip_init (GESSourceClip * self)
{
self->priv = ges_source_clip_get_instance_private (self);
}
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