2 * Copyright (C) <2015> YouView TV Ltd.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
20 #ifndef __GST_PROTECTION_H__
21 #define __GST_PROTECTION_H__
27 /* @PROTECTION_SYSTEM_ID_CAPS_FIELD: The field name in a GstCaps that is
28 * used to signal the UUID of the protection system
30 #define PROTECTION_SYSTEM_ID_CAPS_FIELD "protection-system"
32 typedef struct _GstProtectionMeta GstProtectionMeta;
35 * @meta: the parent #GstMeta.
36 * @info: the cryptographic information needed to decrypt the sample.
38 * Metadata type that holds information about a sample from a protection-protected
39 * track, including the information needed to decrypt it (if it is encrypted).
41 struct _GstProtectionMeta
48 GType gst_protection_meta_api_get_type (void);
49 #define GST_PROTECTION_META_API_TYPE (gst_protection_meta_api_get_type())
51 #define gst_buffer_get_protection_meta(b) \
52 ((GstProtectionMeta*)gst_buffer_get_meta ((b), GST_PROTECTION_META_API_TYPE))
54 #define GST_PROTECTION_META_INFO (gst_protection_meta_get_info())
56 const GstMetaInfo *gst_protection_meta_get_info (void);
58 GstProtectionMeta *gst_buffer_add_protection_meta (GstBuffer * buffer,
61 const gchar *gst_protection_select_system (const gchar ** system_identifiers);
64 #endif /* __GST_PROTECTION_META_H__ */