desc_t2_delivery.h

Go to the documentation of this file.

/*
 * Copyright (c) 2013-2014 - Mauro Carvalho Chehab <mchehab@kernel.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation version 2.1 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser 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)
 */
 
#ifndef _T2_DELIVERY_H
#define _T2_DELIVERY_H
 
#include <libdvbv5/descriptors.h>
 
struct dvb_desc_t2_delivery_subcell_old {
        uint8_t cell_id_extension;
        uint16_t transposer_frequency;          // Should be 32 bits, instead
} __attribute__((packed));
 
 
struct dvb_desc_t2_delivery_subcell {
        uint8_t cell_id_extension;
        uint32_t transposer_frequency;
} __attribute__((packed));
 
 
struct dvb_desc_t2_delivery_cell {
        uint16_t cell_id;
        int num_freqs;
        uint32_t *centre_frequency;
        uint8_t subcel_length;
        struct dvb_desc_t2_delivery_subcell *subcel;
} __attribute__((packed));
 
struct dvb_desc_t2_delivery {
        /* extended descriptor */
 
        uint8_t plp_id;
        uint16_t system_id;
        union {
                uint16_t bitfield;
                struct {
                        uint16_t tfs_flag:1;
                        uint16_t other_frequency_flag:1;
                        uint16_t transmission_mode:3;
                        uint16_t guard_interval:3;
                        uint16_t reserved:2;
                        uint16_t bandwidth:4;
                        uint16_t SISO_MISO:2;
                } __attribute__((packed));
        } __attribute__((packed));
 
        uint32_t *centre_frequency;
        uint8_t frequency_loop_length;
 
        /* Unused, as the definitions here are incomplete. */
        uint8_t subcel_info_loop_length;
        struct dvb_desc_t2_delivery_subcell_old *subcell;
 
        /* Since version 1.13 */
        unsigned int num_cell;
        struct dvb_desc_t2_delivery_cell *cell;
 
} __attribute__((packed));
 
struct dvb_v5_fe_parms;
 
#ifdef __cplusplus
extern "C" {
#endif
 
int dvb_desc_t2_delivery_init(struct dvb_v5_fe_parms *parms,
                               const uint8_t *buf,
                               struct dvb_extension_descriptor *ext,
                               void *desc);
 
void dvb_desc_t2_delivery_print(struct dvb_v5_fe_parms *parms,
                                const struct dvb_extension_descriptor *ext,
                                const void *desc);
 
void dvb_desc_t2_delivery_free(const void *desc);
 
extern const unsigned dvbt2_bw[];
 
extern const uint32_t dvbt2_interval[];
 
extern const unsigned dvbt2_transmission_mode[];
 
extern const char *siso_miso[4];
 
#ifdef __cplusplus
}
#endif
 
#endif