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-rw-r--r--lib/libdvben50221/en50221_app_utils.c38
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diff --git a/lib/libdvben50221/en50221_app_utils.c b/lib/libdvben50221/en50221_app_utils.c
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+/*
+ en50221 encoder An implementation for libdvb
+ an implementation for the en50221 transport layer
+
+ Copyright (C) 2004, 2005 Manu Abraham <abraham.manu@gmail.com>
+ Copyright (C) 2005 Julian Scheel (julian at jusst dot de)
+ Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
+
+ This library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ This program 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser 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
+*/
+
+#include "en50221_app_utils.h"
+
+struct en50221_app_public_resource_id
+ *en50221_app_decode_public_resource_id(struct en50221_app_public_resource_id *idf,
+ uint32_t resource_id)
+{
+ // reject private resources
+ if ((resource_id & 0xc0000000) == 0xc0000000)
+ return NULL;
+
+ idf->resource_class = (resource_id >> 16) & 0xffff; // use the resource_id as the MSBs of class
+ idf->resource_type = (resource_id >> 6) & 0x3ff;
+ idf->resource_version = resource_id & 0x3f;
+ return idf;
+}