/usr/include/libdvbv5/desc_logical_channel.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) 2013 - Mauro Carvalho Chehab <m.chehab@samsung.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 on IEC/CENELEC DS/EN 62216-1:2011
*
* I couldn't find the original version, so I used what's there at:
* http://tdt.telecom.pt/recursos/apresentacoes/Signalling Specifications for DTT deployment in Portugal.pdf
*/
/**
* @file desc_logical_channel.h
* @ingroup descriptors
* @brief Provides the descriptors for the LCN - Logican Channel Number
* @copyright GNU General Public License version 2 (GPLv2)
* @author Mauro Carvalho Chehab
*
* @par Relevant specs
* The descriptor described herein is defined at:
* - IEC/CENELEC DS/EN 62216-1:2011
*
* @see http://tdt.telecom.pt/recursos/apresentacoes/Signalling Specifications for DTT deployment in Portugal.pdf
*
* @par Bug Report
* Please submit bug reports and patches to linux-media@vger.kernel.org
*/
#ifndef _LCN_DESC_H
#define _LCN_DESC_H
#include <libdvbv5/descriptors.h>
/**
* @struct dvb_desc_logical_channel_number
* @ingroup descriptors
* @brief Structure containing the logical channel number entires
*
* @param service_id service id
* @param visible_service_flag visible service flag
* @param logical_channel_number logical channel number
*/
struct dvb_desc_logical_channel_number {
uint16_t service_id;
union {
uint16_t bitfield;
struct {
uint16_t logical_channel_number:10;
uint16_t reserved:5;
uint16_t visible_service_flag:1;
} __attribute__((packed));
} __attribute__((packed));
} __attribute__((packed));
/**
* @struct dvb_desc_logical_channel
* @ingroup descriptors
* @brief Structure containing the logical channel number descriptor
*
* @param type descriptor tag
* @param length descriptor length
* @param next pointer to struct dvb_desc
* @param lcn pointer to struct dvb_desc_logical_channel_number
*/
struct dvb_desc_logical_channel {
uint8_t type;
uint8_t length;
struct dvb_desc *next;
struct dvb_desc_logical_channel_number *lcn;
} __attribute__((packed));
struct dvb_v5_fe_parms;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initializes and parses the logical channel number 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 allocates a the descriptor and fills the fields inside
* the struct. It also makes sure that all fields will follow the CPU
* endianness. Due to that, the content of the buffer may change.
*
* @return On success, it returns the size of the allocated struct.
* A negative value indicates an error.
*/
int dvb_desc_logical_channel_init(struct dvb_v5_fe_parms *parms,
const uint8_t *buf, struct dvb_desc *desc);
/**
* @brief Prints the content of the logical channel number 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_logical_channel_print(struct dvb_v5_fe_parms *parms,
const struct dvb_desc *desc);
/**
* @brief Frees all data allocated by the logical channel number descriptor
* @ingroup descriptors
*
* @param desc pointer to struct dvb_desc to be freed
*/
void dvb_desc_logical_channel_free(struct dvb_desc *desc);
#ifdef __cplusplus
}
#endif
#endif
|