*/
#define GST_PROTECTION_SYSTEM_ID_CAPS_FIELD "protection-system"
+/**
+ * GST_PROTECTION_UNSPECIFIED_SYSTEM_ID:
+ *
+ * The protection system value of the unspecified UUID.
+ * In some cases the system protection ID is not present in the contents or in their
+ * metadata, as encrypted WebM.
+ * This define is used to set the value of the "system_id" field in GstProtectionEvent,
+ * with this value, the application will use an external information to choose which
+ * protection system to use.
+ *
+ * Example: The matroskademux uses this value in the case of encrypted WebM,
+ * the application will choose the appropriate protection system based on the information
+ * received through EME API.
+ *
+ * Since: 1.16
+ */
+#define GST_PROTECTION_UNSPECIFIED_SYSTEM_ID "unspecified-system-id"
+
typedef struct _GstProtectionMeta GstProtectionMeta;
/**
* GstProtectionMeta:
GstStructure *info;
};
+GST_API
GType gst_protection_meta_api_get_type (void);
+
#define GST_PROTECTION_META_API_TYPE (gst_protection_meta_api_get_type())
#define gst_buffer_get_protection_meta(b) \
#define GST_PROTECTION_META_INFO (gst_protection_meta_get_info())
-const GstMetaInfo *gst_protection_meta_get_info (void);
+GST_API
+const GstMetaInfo * gst_protection_meta_get_info (void);
-GstProtectionMeta *gst_buffer_add_protection_meta (GstBuffer * buffer,
- GstStructure * info);
+GST_API
+GstProtectionMeta * gst_buffer_add_protection_meta (GstBuffer * buffer,
+ GstStructure * info);
+GST_API
+const gchar * gst_protection_select_system (const gchar ** system_identifiers);
-const gchar *gst_protection_select_system (const gchar ** system_identifiers);
+GST_API
+gchar ** gst_protection_filter_systems_by_available_decryptors (
+ const gchar ** system_identifiers);
G_END_DECLS
#endif /* __GST_PROTECTION_META_H__ */