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__
28 * GST_PROTECTION_SYSTEM_ID_CAPS_FIELD:
30 * The field name in a GstCaps that is used to signal the UUID of the protection
35 #define GST_PROTECTION_SYSTEM_ID_CAPS_FIELD "protection-system"
37 typedef struct _GstProtectionMeta GstProtectionMeta;
40 * @meta: the parent #GstMeta.
41 * @info: the cryptographic information needed to decrypt the sample.
43 * Metadata type that holds information about a sample from a protection-protected
44 * track, including the information needed to decrypt it (if it is encrypted).
48 struct _GstProtectionMeta
55 GType gst_protection_meta_api_get_type (void);
56 #define GST_PROTECTION_META_API_TYPE (gst_protection_meta_api_get_type())
58 #define gst_buffer_get_protection_meta(b) \
59 ((GstProtectionMeta*)gst_buffer_get_meta ((b), GST_PROTECTION_META_API_TYPE))
61 #define GST_PROTECTION_META_INFO (gst_protection_meta_get_info())
63 const GstMetaInfo *gst_protection_meta_get_info (void);
65 GstProtectionMeta *gst_buffer_add_protection_meta (GstBuffer * buffer,
68 const gchar *gst_protection_select_system (const gchar ** system_identifiers);
71 #endif /* __GST_PROTECTION_META_H__ */