/usr/include/libdvbv5/desc_cable_delivery.h is in libdvbv5-dev 1.10.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | /*
* Copyright (c) 2011-2014 - Mauro Carvalho Chehab
* Copyright (c) 2012 - Andre Roth <neolynx@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation version 2
* of the License.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* Described at ETSI EN 300 468 V1.11.1 (2010-04)
*/
/**
* @file desc_cable_delivery.h
* @ingroup descriptors
* @brief Provides the descriptors for the cable delivery system descriptor
* @copyright GNU General Public License version 2 (GPLv2)
* @author Mauro Carvalho Chehab
* @author Andre Roth
*
* @par Relevant specs
* The descriptor described herein is defined at:
* - ETSI EN 300 468 V1.11.1 (2010-04)
*
* @par Bug Report
* Please submit bug reports and patches to linux-media@vger.kernel.org
*/
#ifndef _CABLE_DELIVERY_H
#define _CABLE_DELIVERY_H
#include <libdvbv5/descriptors.h>
/**
* @struct dvb_desc_cable_delivery
* @ingroup descriptors
* @brief Structure containing the cable delivery system descriptor
*
* @param type descriptor tag
* @param length descriptor length
* @param next pointer to struct dvb_desc
* @param frequency frequency, converted to Hz.
* @param fec_outer FEC outer (typically, Viterbi)
* @param modulation modulation
* @param fec_inner FEC inner (convolutional code)
* @param symbol_rate symbol rate, converted to symbols/sec (bauds)
*/
struct dvb_desc_cable_delivery {
uint8_t type;
uint8_t length;
struct dvb_desc *next;
uint32_t frequency;
union {
uint16_t bitfield1;
struct {
uint16_t fec_outer:4;
uint16_t reserved_future_use:12;
} __attribute__((packed));
} __attribute__((packed));
uint8_t modulation;
union {
uint32_t bitfield2;
struct {
uint32_t fec_inner:4;
uint32_t symbol_rate:28;
} __attribute__((packed));
} __attribute__((packed));
} __attribute__((packed));
struct dvb_v5_fe_parms;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initializes and parses the service location descriptor
* @ingroup descriptors
*
* @param parms struct dvb_v5_fe_parms pointer to the opened device
* @param buf buffer containing the descriptor's raw data
* @param desc pointer to struct dvb_desc to be allocated and filled
*
* This function initializes and makes sure that all fields will follow the CPU
* endianness. Due to that, the content of the buffer may change.
*
* Currently, no memory is allocated internally.
*
* @return On success, it returns the size of the allocated struct.
* A negative value indicates an error.
*/
int dvb_desc_cable_delivery_init(struct dvb_v5_fe_parms *parms,
const uint8_t *buf, struct dvb_desc *desc);
/**
* @brief Prints the content of the service location descriptor
* @ingroup descriptors
*
* @param parms struct dvb_v5_fe_parms pointer to the opened device
* @param desc pointer to struct dvb_desc
*/
void dvb_desc_cable_delivery_print(struct dvb_v5_fe_parms *parms,
const struct dvb_desc *desc);
/**
* @brief converts from the descriptor's modulation into enum fe_modulation,
* as defined by DVBv5 API.
*/
extern const unsigned dvbc_modulation_table[];
/**
* @brief converts from the descriptor's FEC into enum fe_code_rate,
* as defined by DVBv5 API.
*/
extern const unsigned dvbc_fec_table[];
#ifdef __cplusplus
}
#endif
#endif
|