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/*
Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
Copyright (C) 2019 Matthias P. Braendli (http://www.opendigitalradio.org)
Copyright (C) 2015 Data Path
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, either version 3 of the License, or
(at your option) any later version.
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, see <http://www.gnu.org/licenses/>.
Ensemble Database, gather data from the ensemble for the
statistics.
Authors:
Sergio Sagliocco <sergio.sagliocco@csp.it>
Matthias P. Braendli <matthias@mpb.li>
/ | |- ')|) |-|_ _ (|,_ .| _ ,_ \
Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/
*/
#pragma once
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <cstdint>
#include <stdexcept>
#include <string>
#include <list>
#include <vector>
#include <map>
namespace ensemble_database {
enum class charset_e {
COMPLETE_EBU_LATIN = 0,
UTF8 = 15, // encoding flag = 0
UCS2 = 6, // encoding flag = 1
UNDEFINED,
};
struct label_t {
// FIG 1 Label and shortlabel, in raw form
std::vector<uint8_t> label_bytes;
uint16_t shortlabel_flag;
charset_e charset = charset_e::COMPLETE_EBU_LATIN;
// Returns a utf-8 encoded shortlabel
std::string shortlabel() const;
std::string label() const;
// Extended Label from FIG 2
std::map<int, std::vector<uint8_t> > segments;
size_t segment_count = 0; // number if actual segments (not segment count as in spec)
charset_e extended_label_charset = charset_e::UNDEFINED;
uint8_t toggle_flag = 0;
// Assemble all segments into a UTF-8 string. Returns an
// empty string if not all segments received.
std::string assemble() const;
// Return a string that represents segment count and completeness
std::string assembly_state() const;
};
struct subchannel_t {
uint8_t id;
uint8_t start_addr;
enum class protection_type_t { UEP, EEP };
protection_type_t protection_type;
// Long form FIG0/1, i.e. EEP
enum class protection_eep_option_t { EEP_A, EEP_B };
protection_eep_option_t protection_option;
int protection_level;
int size;
// Short form FIG0/1, i.e. UEP
int table_switch;
int table_index;
// TODO type bitrate
};
struct component_t {
uint32_t service_id = 0;
uint8_t subchId;
uint8_t scids = 255; // 255 is invalid, as scids is only 4 bits wide
bool primary;
label_t label;
/* TODO
uint8_t type;
uaType for audio
*/
};
struct service_t {
uint32_t id;
label_t label;
bool programme_not_data;
std::list<component_t> components;
component_t& get_component_by_subchannel(uint32_t subchannel_id);
component_t& get_component_by_scids(uint8_t scids);
component_t& get_or_create_component(uint32_t subchannel_id);
// TODO PTy language announcement
};
class not_found : public std::runtime_error
{
public:
not_found(const std::string& msg) : std::runtime_error(msg) {}
};
struct ensemble_t {
uint16_t EId;
label_t label;
std::list<service_t> services;
std::list<subchannel_t> subchannels;
// TODO ecc
service_t& get_service(uint32_t service_id);
service_t& get_or_create_service(uint32_t service_id);
subchannel_t& get_subchannel(uint8_t subchannel_id);
subchannel_t& get_or_create_subchannel(uint8_t subchannel_id);
};
}
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