/usr/include/libdvbv5/desc_frequency_list.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.
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* 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
*
*/
#ifndef _DESC_FREQUENCY_LIST_H
#define _DESC_FREQUENCY_LIST_H
#include <libdvbv5/descriptors.h>
/**
* @file desc_frequency_list.h
* @ingroup descriptors
* @brief Provides the descriptors for the frequency list descriptor.
* This descriptor lists the additional frequencies used in transmission
* of a multiplex on other frequencies.
* @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
*
* @par Bug Report
* Please submit bug reports and patches to linux-media@vger.kernel.org
*/
/**
* @struct dvb_desc_frequency_list
* @ingroup descriptors
* @brief Struct containing the frequency list descriptor
*
* @param type descriptor tag
* @param length descriptor length
* @param next pointer to struct dvb_desc
* @param frequencies number of frequencies in the frequency vector
* @param frequency vector with the centre frequency
* @param freq_type freq type, being: 0 = undefined,
* 1 = satelite, 2 = cable or 3 = terrestrial.
*/
struct dvb_desc_frequency_list {
uint8_t type;
uint8_t length;
struct dvb_desc *next;
uint8_t frequencies;
uint32_t *frequency;
union {
uint8_t bitfield;
struct {
uint8_t freq_type:2;
uint8_t reserved:6;
} __attribute__((packed));
} __attribute__((packed));
} __attribute__((packed));
struct dvb_v5_fe_parms;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initializes and parses the frequency list 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_frequency_list_init(struct dvb_v5_fe_parms *parms,
const uint8_t *buf, struct dvb_desc *desc);
/**
* @brief Prints the content of the frequency list 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_frequency_list_print(struct dvb_v5_fe_parms *parms,
const struct dvb_desc *desc);
#ifdef __cplusplus
}
#endif
#endif
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