gstreamer/ges/ges-extractable.h
Thibault Saunier bc7a465fcd extractable: Make extractable_set_asset return a boolean
WARNING: This is a minor API breakage, it should be harmless
and allows us to let users know whether changing setting the
asset worked or no.
2014-11-10 16:22:39 +01:00

91 lines
3.1 KiB
C

/* GStreamer Editing Services
*
* Copyright (C) 2012 Thibault Saunier <thibault.saunier@collabora.com>
* Copyright (C) 2012 Volodymyr Rudyi <vladimir.rudoy@gmail.com>
*
* 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.
*/
#ifndef _GES_EXTRACTABLE_
#define _GES_EXTRACTABLE_
#include <glib-object.h>
#include <gio/gio.h>
#include <ges/ges-types.h>
#include <ges/ges-asset.h>
G_BEGIN_DECLS
/* GESExtractable interface declarations */
#define GES_TYPE_EXTRACTABLE (ges_extractable_get_type ())
#define GES_EXTRACTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_EXTRACTABLE, GESExtractable))
#define GES_IS_EXTRACTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_EXTRACTABLE))
#define GES_EXTRACTABLE_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GES_TYPE_EXTRACTABLE, GESExtractableInterface))
GType ges_extractable_get_type (void);
/**
* GESExtractableCheckId:
* @type: The #GType to check @id for:
* @id: The id to check
* @error: An error that can be set if needed
*
* Returns: The ID to use for the asset or %NULL if @id is not valid
*/
typedef gchar* (*GESExtractableCheckId) (GType type, const gchar *id,
GError **error);
/**
* GESExtractable:
*/
struct _GESExtractableInterface
{
GTypeInterface parent;
GType asset_type;
GESExtractableCheckId check_id;
gboolean can_update_asset;
void (*set_asset) (GESExtractable *self,
GESAsset *asset);
gboolean (*set_asset_full) (GESExtractable *self,
GESAsset *asset);
GParameter *(*get_parameters_from_id) (const gchar *id,
guint *n_params);
gchar * (*get_id) (GESExtractable *self);
GType (*get_real_extractable_type) (GType wanted_type,
const gchar *id);
gboolean (*register_metas) (GESExtractableInterface *self,
GObjectClass *klass,
GESAsset *asset);
gpointer _ges_reserved[GES_PADDING];
};
GESAsset* ges_extractable_get_asset (GESExtractable *self);
gboolean ges_extractable_set_asset (GESExtractable *self,
GESAsset *asset);
gchar * ges_extractable_get_id (GESExtractable *self);
G_END_DECLS
#endif /* _GES_EXTRACTABLE_ */