From ab959d7b4194715870128e616b8e29d4a101e488 Mon Sep 17 00:00:00 2001 From: etobi Date: Tue, 3 Sep 2013 09:48:41 +0200 Subject: Imported Upstream version 1.1.1+rev1207 --- .../dvb/multilingual_network_name_descriptor.h | 145 +++++++++++++++++++++ 1 file changed, 145 insertions(+) create mode 100644 lib/libucsi/dvb/multilingual_network_name_descriptor.h (limited to 'lib/libucsi/dvb/multilingual_network_name_descriptor.h') diff --git a/lib/libucsi/dvb/multilingual_network_name_descriptor.h b/lib/libucsi/dvb/multilingual_network_name_descriptor.h new file mode 100644 index 0000000..1a7b8c4 --- /dev/null +++ b/lib/libucsi/dvb/multilingual_network_name_descriptor.h @@ -0,0 +1,145 @@ +/* + * section and descriptor parser + * + * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org) + * Copyright (C) 2005 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 library 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifndef _UCSI_DVB_MULTILINGUAL_NETWORK_NAME_DESCRIPTOR +#define _UCSI_DVB_MULTILINGUAL_NETWORK_NAME_DESCRIPTOR 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include +#include +#include + +/** + * dvb_multilingual_network_name_descriptor structure. + */ +struct dvb_multilingual_network_name_descriptor { + struct descriptor d; + + /* struct dvb_multilingual_network_name names[] */ +} __ucsi_packed; + +/** + * An entry in the names field of a dvb_multilingual_network_name_descriptor. + */ +struct dvb_multilingual_network_name { + iso639lang_t language_code; + uint8_t network_name_length; + /* uint8_t name[] */ +} __ucsi_packed; + +/** + * Process a dvb_multilingual_network_name_descriptor. + * + * @param d Generic descriptor pointer. + * @return dvb_multilingual_network_name_descriptor pointer, or NULL on error. + */ +static inline struct dvb_multilingual_network_name_descriptor* + dvb_multilingual_network_name_descriptor_codec(struct descriptor* d) +{ + uint8_t* buf = (uint8_t*) d + 2; + uint32_t pos = 0; + uint32_t len = d->len; + + while(pos < len) { + struct dvb_multilingual_network_name *e = + (struct dvb_multilingual_network_name*) (buf + pos); + + pos += sizeof(struct dvb_multilingual_network_name); + + if (pos > len) + return NULL; + + pos += e->network_name_length; + + if (pos > len) + return NULL; + } + + return (struct dvb_multilingual_network_name_descriptor*) d; +} + +/** + * Iterator for entries in the names field of a dvb_multilingual_network_name_descriptor. + * + * @param d dvb_multilingual_network_name_descriptor pointer. + * @param pos Variable containing a pointer to the current dvb_multilingual_network_name. + */ +#define dvb_multilingual_network_name_descriptor_names_for_each(d, pos) \ + for ((pos) = dvb_multilingual_network_name_descriptor_names_first(d); \ + (pos); \ + (pos) = dvb_multilingual_network_name_descriptor_names_next(d, pos)) + +/** + * Accessor for the name field of a dvb_multilingual_network_name. + * + * @param e dvb_multilingual_network_name pointer. + * @return Pointer to the name field. + */ +static inline uint8_t * + dvb_multilingual_network_name_name(struct dvb_multilingual_network_name *e) +{ + return (uint8_t *) e + sizeof(struct dvb_multilingual_network_name); +} + + + + + + + + + + +/******************************** PRIVATE CODE ********************************/ +static inline struct dvb_multilingual_network_name* + dvb_multilingual_network_name_descriptor_names_first(struct dvb_multilingual_network_name_descriptor *d) +{ + if (d->d.len == 0) + return NULL; + + return (struct dvb_multilingual_network_name *) + ((uint8_t*) d + sizeof(struct dvb_multilingual_network_name_descriptor)); +} + +static inline struct dvb_multilingual_network_name* + dvb_multilingual_network_name_descriptor_names_next(struct dvb_multilingual_network_name_descriptor *d, + struct dvb_multilingual_network_name *pos) +{ + uint8_t *end = (uint8_t*) d + 2 + d->d.len; + uint8_t *next = (uint8_t *) pos + + sizeof(struct dvb_multilingual_network_name) + + pos->network_name_length; + + if (next >= end) + return NULL; + + return (struct dvb_multilingual_network_name *) next; +} + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.3