eit.h

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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 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
 *
 */
 
#ifndef _EIT_H
#define _EIT_H
 
#include <stdint.h>
#include <unistd.h> /* ssize_t */
#include <time.h>
 
#include <libdvbv5/header.h>
 
#define DVB_TABLE_EIT        0x4E
#define DVB_TABLE_EIT_OTHER  0x4F
#define DVB_TABLE_EIT_PID  0x12
 
#define DVB_TABLE_EIT_SCHEDULE 0x50
#define DVB_TABLE_EIT_SCHEDULE_OTHER 0x60
 
struct dvb_table_eit_event {
        uint16_t event_id;
        union {
                uint16_t bitfield1; /* first 2 bytes are MJD, they need to be bswapped */
                uint8_t dvbstart[5];
        } __attribute__((packed));
        uint8_t dvbduration[3];
        union {
                uint16_t bitfield2;
                struct {
                        uint16_t desc_length:12;
                        uint16_t free_CA_mode:1;
                        uint16_t running_status:3;
                } __attribute__((packed));
        } __attribute__((packed));
        struct dvb_desc *descriptor;
        struct dvb_table_eit_event *next;
        struct tm start;
        uint32_t duration;
        uint16_t service_id;
} __attribute__((packed));
 
struct dvb_table_eit {
        struct dvb_table_header header;
        uint16_t transport_id;
        uint16_t network_id;
        uint8_t  last_segment;
        uint8_t  last_table_id;
        struct dvb_table_eit_event *event;
} __attribute__((packed));
 
#define dvb_eit_event_foreach(_event, _eit) \
        if (_eit && _eit->event) \
                for( struct dvb_table_eit_event *_event = _eit->event; _event; _event = _event->next ) \
 
struct dvb_v5_fe_parms;
 
extern const char *dvb_eit_running_status_name[8];
 
#ifdef __cplusplus
extern "C" {
#endif
 
ssize_t dvb_table_eit_init (struct dvb_v5_fe_parms *parms, const uint8_t *buf,
                            ssize_t buflen, struct dvb_table_eit **table);
 
void dvb_table_eit_free(struct dvb_table_eit *table);
 
void dvb_table_eit_print(struct dvb_v5_fe_parms *parms,
                         struct dvb_table_eit *table);
 
void dvb_time(const uint8_t data[5], struct tm *tm);
 
#ifdef __cplusplus
}
#endif
 
#endif