1 /* GStreamer Editing Services 2 * 3 * Copyright (C) 2012 Thibault Saunier <thibault.saunier@collabora.com> 4 * Copyright (C) 2012 Volodymyr Rudyi <vladimir.rudoy@gmail.com> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 19 * Boston, MA 02111-1307, USA. 20 */ 21 #ifndef _GES_EXTRACTABLE_ 22 #define _GES_EXTRACTABLE_ 23 24 typedef struct _GESExtractable GESExtractable; 25 26 #include <glib-object.h> 27 #include <gio/gio.h> 28 #include <gst/gst.h> 29 #include <ges/ges-types.h> 30 #include <ges/ges-asset.h> 31 32 G_BEGIN_DECLS 33 34 /* GESExtractable interface declarations */ 35 #define GES_TYPE_EXTRACTABLE (ges_extractable_get_type ()) 36 #define GES_EXTRACTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_EXTRACTABLE, GESExtractable)) 37 #define GES_IS_EXTRACTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_EXTRACTABLE)) 38 #define GES_EXTRACTABLE_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GES_TYPE_EXTRACTABLE, GESExtractableInterface)) 39 40 GES_API 41 GType ges_extractable_get_type (void); 42 43 /** 44 * GESExtractableCheckId: 45 * @type: The #GType to check @id for: 46 * @id: The id to check 47 * @error: An error that can be set if needed 48 * 49 * Returns: The ID to use for the asset or %NULL if @id is not valid 50 */ 51 52 typedef gchar* (*GESExtractableCheckId) (GType type, const gchar *id, 53 GError **error); 54 55 /** 56 * GESExtractable: 57 */ 58 struct _GESExtractableInterface 59 { 60 GTypeInterface parent; 61 62 GType asset_type; 63 64 GESExtractableCheckId check_id; 65 gboolean can_update_asset; 66 67 void (*set_asset) (GESExtractable *self, 68 GESAsset *asset); 69 70 gboolean (*set_asset_full) (GESExtractable *self, 71 GESAsset *asset); 72 73 GParameter *(*get_parameters_from_id) (const gchar *id, 74 guint *n_params); 75 76 gchar * (*get_id) (GESExtractable *self); 77 78 GType (*get_real_extractable_type) (GType wanted_type, 79 const gchar *id); 80 81 gboolean (*register_metas) (GESExtractableInterface *self, 82 GObjectClass *klass, 83 GESAsset *asset); 84 85 gpointer _ges_reserved[GES_PADDING]; 86 }; 87 88 GES_API 89 GESAsset* ges_extractable_get_asset (GESExtractable *self); 90 GES_API 91 gboolean ges_extractable_set_asset (GESExtractable *self, 92 GESAsset *asset); 93 94 GES_API 95 gchar * ges_extractable_get_id (GESExtractable *self); 96 97 G_END_DECLS 98 #endif /* _GES_EXTRACTABLE_ */ 99