/usr/include/libdvbv5/desc_terrestrial_delivery.h is in libdvbv5-dev 1.10.0-1.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2011-2012 - 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
*
* Based on ETSI EN 300 468 V1.11.1 (2010-04)
*
*/
/**
* @file desc_terrestrial_delivery.h
* @ingroup descriptors
* @brief Provides the descriptors for the DVB-T terrestrial 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
*
* @par Bug Report
* Please submit bug reports and patches to linux-media@vger.kernel.org
*/
#ifndef _TERRESTRIAL_DELIVERY_H
#define _TERRESTRIAL_DELIVERY_H
#include <libdvbv5/descriptors.h>
/**
* @struct dvb_desc_terrestrial_delivery
* @ingroup descriptors
* @brief Structure containing the DVB-T terrestrial delivery system descriptor
*
* @param type descriptor tag
* @param length descriptor length
* @param next pointer to struct dvb_desc
* @param centre_frequency centre frequency, multiplied by 10 Hz
* @param bandwidth bandwidth
* @param priority priority (0 = LP, 1 = HP)
* @param time_slice_indicator time slicing indicator
* @param mpe_fec_indicator mpe fec indicator. If 1, MPE-FEC is not used.
* @param constellation constellation
* @param hierarchy_information hierarchy information
* @param code_rate_hp_stream code rate hp stream
* @param code_rate_lp_stream code rate lp stream
* @param guard_interval guard interval
* @param transmission_mode transmission mode
* @param other_frequency_flag other frequency flag
*/
struct dvb_desc_terrestrial_delivery {
uint8_t type;
uint8_t length;
struct dvb_desc *next;
uint32_t centre_frequency;
uint8_t reserved_future_use1:2;
uint8_t mpe_fec_indicator:1;
uint8_t time_slice_indicator:1;
uint8_t priority:1;
uint8_t bandwidth:3;
uint8_t code_rate_hp_stream:3;
uint8_t hierarchy_information:3;
uint8_t constellation:2;
uint8_t other_frequency_flag:1;
uint8_t transmission_mode:2;
uint8_t guard_interval:2;
uint8_t code_rate_lp_stream:3;
uint32_t reserved_future_use2;
} __attribute__((packed));
struct dvb_v5_fe_parms;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initializes and parses the DVB-T terrestrial delivery system descriptor
*
* @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_terrestrial_delivery_init(struct dvb_v5_fe_parms *parms,
const uint8_t *buf,
struct dvb_desc *desc);
/**
* @brief Prints the content of the DVB-T terrestrial delivery system 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_terrestrial_delivery_print(struct dvb_v5_fe_parms *parms,
const struct dvb_desc *desc);
/**
* @brief converts from internal representation into bandwidth in Hz
*/
extern const unsigned dvbt_bw[];
/**
* @brief converts from the descriptor's modulation into enum fe_modulation,
* as defined by DVBv5 API.
*/
extern const unsigned dvbt_modulation[];
/**
* @brief converts from the descriptor's hierarchy into enum fe_hierarchy,
* as defined by DVBv5 API.
*/
extern const unsigned dvbt_hierarchy[];
/**
* @brief converts from the descriptor's FEC into enum fe_code_rate,
* as defined by DVBv5 API.
*/
extern const unsigned dvbt_code_rate[];
/**
* @brief converts from internal representation into enum fe_guard_interval,
* as defined at DVBv5 API.
*/
extern const uint32_t dvbt_interval[];
/**
* @brief converts from the descriptor's transmission mode into
* enum fe_transmit_mode, as defined by DVBv5 API.
*/
extern const unsigned dvbt_transmission_mode[];
#ifdef __cplusplus
}
#endif
#endif
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