gstreamer/ges/ges-formatter.h
2010-11-27 18:08:20 +01:00

106 lines
3.4 KiB
C

/* GStreamer Editing Services
* Copyright (C) 2010 Brandon Lewis <brandon.lewis@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.
*/
#ifndef _GES_FORMATTER
#define _GES_FORMATTER
#include <glib-object.h>
#include <ges/ges-timeline.h>
#define GES_TYPE_FORMATTER ges_formatter_get_type()
#define GES_FORMATTER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_FORMATTER, GESFormatter))
#define GES_FORMATTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_FORMATTER, GESFormatterClass))
#define GES_IS_FORMATTER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_FORMATTER))
#define GES_IS_FORMATTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_FORMATTER))
#define GES_FORMATTER_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_FORMATTER, GESFormatterClass))
/**
* GESFormatter:
*
* Base class for timeline data serialization and deserialization.
*/
struct _GESFormatter {
GObject parent;
/*< private >*/
gchar *data;
gsize length;
};
/**
* GESFormatterClass:
* @parent_class: parent class
* @can_load_uri: class method which returns true if a #GESFormatterClass can read
* from a given URI.
* @can_save_uri: class method which rturns true of a #GEFormatterClass can
* write to a given URI.
* @load_from_uri: class method to deserialize data from a URI
* @save_to_uri: class method to serialize data to a URI
* @save: method to save timeline data
* @load: method to load timeline data
*
*/
struct _GESFormatterClass {
GObjectClass parent_class;
gboolean (*can_load_uri) (gchar * uri);
gboolean (*can_save_uri) (gchar * uri);
gboolean (*load_from_uri) (GESFormatter *, GESTimeline *, gchar * uri);
gboolean (*save_to_uri) (GESFormatter *, GESTimeline *, gchar * uri);
gboolean (*save) (GESFormatter * formatter, GESTimeline * timeline);
gboolean (*load) (GESFormatter * formatter, GESTimeline * timeline);
};
GType ges_formatter_get_type (void);
GESFormatter *ges_formatter_new_for_uri (gchar *uri);
GESFormatter *ges_default_formatter_new (void);
gboolean ges_formatter_can_load_uri (gchar * uri);
gboolean ges_formatter_can_save_uri (gchar * uri);
gboolean ges_formatter_load_from_uri (GESFormatter * formatter, GESTimeline
*timeline, gchar *uri);
gboolean ges_formatter_save_to_uri (GESFormatter * formatter, GESTimeline *timeline,
gchar *uri);
void ges_formatter_set_data (GESFormatter * formatter, void *data, gsize
length);
void *ges_formatter_get_data (GESFormatter *formatter, gsize *length);
void ges_formatter_clear_data (GESFormatter *formatter);
gboolean ges_formatter_load (GESFormatter * formatter, GESTimeline * timeline);
gboolean ges_formatter_save (GESFormatter * formatter, GESTimeline * timeline);
#endif /* _GES_FORMATTER */