diff options
Diffstat (limited to 'lib/libucsi/dvb/telephone_descriptor.h')
| -rw-r--r-- | lib/libucsi/dvb/telephone_descriptor.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/telephone_descriptor.h b/lib/libucsi/dvb/telephone_descriptor.h new file mode 100644 index 0000000..3dc43a1 --- /dev/null +++ b/lib/libucsi/dvb/telephone_descriptor.h @@ -0,0 +1,150 @@ +/* + * 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_TELEPHONE_DESCRIPTOR +#define _UCSI_DVB_TELEPHONE_DESCRIPTOR 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <libucsi/descriptor.h> +#include <libucsi/endianops.h> + +/** + * dvb_telephone_descriptor stucture. + */ +struct dvb_telephone_descriptor { + struct descriptor d; + + EBIT3(uint8_t reserved_1 : 2; , + uint8_t foreign_availability : 1; , + uint8_t connection_type : 5; ); + EBIT4(uint8_t reserved_2 : 1; , + uint8_t country_prefix_length : 2; , + uint8_t international_area_code_length : 3; , + uint8_t operator_code_length : 2; ); + EBIT3(uint8_t reserved_3 : 1; , + uint8_t national_area_code_length : 3; , + uint8_t core_number_length : 4; ); + /* uint8_t country_prefix[] */ + /* uint8_t international_area_code[] */ + /* uint8_t operator_code[] */ + /* uint8_t national_area_code[] */ + /* uint8_t core_number[] */ +} __ucsi_packed; + + +/** + * Process a dvb_telephone_descriptor. + * + * @param d Generic descriptor. + * @return dvb_telephone_descriptor pointer, or NULL on error. + */ +static inline struct dvb_telephone_descriptor* + dvb_telephone_descriptor_codec(struct descriptor* d) +{ + struct dvb_telephone_descriptor* p = + (struct dvb_telephone_descriptor*) d; + uint32_t pos = sizeof(struct dvb_telephone_descriptor) - 2; + uint32_t len = d->len; + + if (pos > len) + return NULL; + + pos += p->country_prefix_length + + p->international_area_code_length + + p->operator_code_length + + p->national_area_code_length + + p->core_number_length; + + if (pos != len) + return NULL; + + return p; +} + +/** + * Retrieve pointer to country_prefix field of a dvb_telephone_descriptor. + * + * @param d dvb_telephone_descriptor pointer. + * @return Pointer to the field. + */ +static inline uint8_t* + dvb_telephone_descriptor_country_prefix(struct dvb_telephone_descriptor* d) +{ + return (uint8_t*) d + sizeof(struct dvb_telephone_descriptor); +} + +/** + * Retrieve pointer to international_area_code field of a dvb_telephone_descriptor. + * + * @param d dvb_telephone_descriptor pointer. + * @return Pointer to the field. + */ +static inline uint8_t* + dvb_telephone_descriptor_international_area_code(struct dvb_telephone_descriptor* d) +{ + return dvb_telephone_descriptor_country_prefix(d) + d->country_prefix_length; +} + +/** + * Retrieve pointer to operator_code field of a dvb_telephone_descriptor. + * + * @param d dvb_telephone_descriptor pointer. + * @return Pointer to the field. + */ +static inline uint8_t* + dvb_telephone_descriptor_operator_code(struct dvb_telephone_descriptor* d) +{ + return dvb_telephone_descriptor_international_area_code(d) + d->international_area_code_length; +} + +/** + * Retrieve pointer to national_area_code field of a dvb_telephone_descriptor. + * + * @param d dvb_telephone_descriptor pointer. + * @return Pointer to the field. + */ +static inline uint8_t* + dvb_telephone_descriptor_national_area_code(struct dvb_telephone_descriptor* d) +{ + return dvb_telephone_descriptor_operator_code(d) + d->operator_code_length; +} + +/** + * Retrieve pointer to core_number field of a dvb_telephone_descriptor. + * + * @param d dvb_telephone_descriptor pointer. + * @return Pointer to the field. + */ +static inline uint8_t* + dvb_telephone_descriptor_core_number(struct dvb_telephone_descriptor* d) +{ + return dvb_telephone_descriptor_national_area_code(d) + d->national_area_code_length; +} + +#ifdef __cplusplus +} +#endif + +#endif |