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Diffstat (limited to '')
| -rw-r--r-- | lib/libdvben50221/en50221_app_utils.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/libdvben50221/en50221_app_utils.c b/lib/libdvben50221/en50221_app_utils.c new file mode 100644 index 0000000..df2632a --- /dev/null +++ b/lib/libdvben50221/en50221_app_utils.c @@ -0,0 +1,38 @@ +/* + 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; +} |