1 /* 2 * Copyright (c) 2013 - Andre Roth <neolynx@gmail.com> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License as published by 6 * the Free Software Foundation version 2.1 of the License. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU Lesser General Public License for more details. 12 * 13 * You should have received a copy of the GNU Lesser General Public License 14 * along with this program; if not, write to the Free Software 15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 16 * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html 17 * 18 * Described at ETSI EN 300 468 V1.11.1 (2010-04) 19 */ 20 21 /** 22 * @file desc_ca_identifier.h 23 * @ingroup descriptors 24 * @brief Provides the descriptors for the Conditional Access identifier 25 * @copyright GNU Lesser General Public License version 2.1 (LGPLv2.1) 26 * @author Andre Roth 27 * 28 * @par Relevant specs 29 * The descriptor described herein is defined at: 30 * - ETSI EN 300 468 V1.11.1 (2010-04) 31 * 32 * @par Bug Report 33 * Please submit bug reports and patches to linux-media@vger.kernel.org 34 */ 35 36 module libdvbv5_d.desc_ca_identifier; 37 38 import libdvbv5_d.descriptors: dvb_desc; 39 import libdvbv5_d.dvb_fe: dvb_v5_fe_parms; 40 41 extern (C): 42 43 /** 44 * @struct dvb_desc_ca_identifier 45 * @ingroup descriptors 46 * @brief Indicates if a particular bouquet, service or event is associated 47 * with a CA system 48 * 49 * @param type descriptor tag 50 * @param length descriptor length 51 * @param next pointer to struct dvb_desc 52 * @param caid_count Number of CA IDs 53 * @param caids CA Identifier IDs 54 */ 55 struct dvb_desc_ca_identifier 56 { 57 align (1): 58 59 ubyte type; 60 ubyte length; 61 dvb_desc* next; 62 63 ubyte caid_count; 64 ushort* caids; 65 } 66 67 // struct dvb_v5_fe_parms; 68 69 /** @brief initial descriptor field at dvb_desc_ca_identifier struct */ 70 // enum dvb_desc_ca_identifier_field_first = ca_id; 71 /** @brief last descriptor field at dvb_desc_ca_identifier struct */ 72 // enum dvb_desc_ca_identifier_field_last = privdata; 73 74 /** 75 * @brief Initializes and parses the CA identifier descriptor 76 * @ingroup descriptors 77 * 78 * @param parms struct dvb_v5_fe_parms pointer to the opened device 79 * @param buf buffer containing the descriptor's raw data 80 * @param desc pointer to struct dvb_desc to be allocated and filled 81 * 82 * This function allocates a the descriptor and fills the fields inside 83 * the struct. It also makes sure that all fields will follow the CPU 84 * endianness. Due to that, the content of the buffer may change. 85 * 86 * @return On success, it returns the size of the allocated struct. 87 * A negative value indicates an error. 88 */ 89 int dvb_desc_ca_identifier_init ( 90 dvb_v5_fe_parms* parms, 91 const(ubyte)* buf, 92 dvb_desc* desc); 93 94 /** 95 * @brief Prints the content of the CA identifier descriptor 96 * @ingroup descriptors 97 * 98 * @param parms struct dvb_v5_fe_parms pointer to the opened device 99 * @param desc pointer to struct dvb_desc 100 */ 101 void dvb_desc_ca_identifier_print ( 102 dvb_v5_fe_parms* parms, 103 const(dvb_desc)* desc); 104 105 /** 106 * @brief Frees all data allocated by the CA identifier descriptor 107 * @ingroup descriptors 108 * 109 * @param desc pointer to struct dvb_desc to be freed 110 */ 111 void dvb_desc_ca_identifier_free (dvb_desc* desc);