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Diffstat (limited to 'src/fig/FIG2.h')
-rw-r--r-- | src/fig/FIG2.h | 163 |
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diff --git a/src/fig/FIG2.h b/src/fig/FIG2.h new file mode 100644 index 0000000..6fad658 --- /dev/null +++ b/src/fig/FIG2.h @@ -0,0 +1,163 @@ +/* + Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, + 2011, 2012 Her Majesty the Queen in Right of Canada (Communications + Research Center Canada) + + Copyright (C) 2019 + Matthias P. Braendli, matthias.braendli@mpb.li + */ +/* + This file is part of ODR-DabMux. + + ODR-DabMux 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. + + ODR-DabMux 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 ODR-DabMux. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __FIG2_H_ +#define __FIG2_H_ + +#include <cstdint> +#include <map> + +#include "fig/FIG.h" + +namespace FIC { + +class FIG2_Segments { + public: + void clear(); + void load(const std::string& label); + + size_t segment_count() const; + std::vector<uint8_t> advance_segment(); + size_t current_segment_length() const; + size_t current_segment_index() const; + + bool ready() const; + bool complete() const; + int toggle_flag() const; + + private: + using vv = std::vector<std::vector<uint8_t> >; + vv segments; + vv::iterator current_segment_it; + + std::string label_on_last_load; + bool toggle = true; +}; + +// FIG type 2/0, Multiplex Configuration Info (MCI), +// Ensemble information +class FIG2_0 : public IFIG +{ + public: + FIG2_0(FIGRuntimeInformation* rti) : + m_rti(rti) {} + virtual FillStatus fill(uint8_t *buf, size_t max_size); + virtual FIG_rate repetition_rate() const { return FIG_rate::B; } + + virtual int figtype() const { return 2; } + virtual int figextension() const { return 0; } + + private: + FIGRuntimeInformation *m_rti; + FIG2_Segments m_segments; +}; + +// FIG type 2/1, programme service label and FIG type 2/5, data service label +// share this code. +class FIG2_1_and_5 : public IFIG +{ + public: + FIG2_1_and_5(FIGRuntimeInformation* rti, bool programme) : + m_rti(rti), + m_initialised(false), + m_programme(programme) {} + + virtual FillStatus fill(uint8_t *buf, size_t max_size); + virtual FIG_rate repetition_rate() const { return FIG_rate::B; } + + virtual int figtype() const { return 2;} + virtual int figextension() const { return m_programme ? 1 : 5; } + + private: + FIGRuntimeInformation *m_rti; + bool m_initialised; + bool m_programme; + vec_sp_service::iterator service; + std::map<uint32_t, FIG2_Segments> segment_per_service; +}; + +// FIG type 2/4, service component label +class FIG2_4 : public IFIG +{ + public: + FIG2_4(FIGRuntimeInformation* rti) : + m_rti(rti), m_initialised(false) {} + virtual FillStatus fill(uint8_t *buf, size_t max_size); + virtual FIG_rate repetition_rate() const { return FIG_rate::B; } + + virtual int figtype() const { return 2; } + virtual int figextension() const { return 4; } + + private: + FIGRuntimeInformation *m_rti; + bool m_initialised; + vec_sp_component::iterator component; + std::map<std::pair<uint32_t, uint8_t>, FIG2_Segments> segment_per_component; +}; + +#ifdef _WIN32 +# pragma pack(push) +#endif + +struct FIGtype2 { + uint8_t Length:5; + uint8_t FIGtypeNumber:3; + + uint8_t Extension:3; + uint8_t Rfu:1; + uint8_t SegmentIndex:3; + uint8_t ToggleFlag:1; +} PACKED; + +struct FIGtype2_4_Programme_Identifier { + uint8_t SCIdS:4; + uint8_t rfa:3; + uint8_t PD:1; + uint16_t SId; +} PACKED; + +struct FIGtype2_4_Data_Identifier { + uint8_t SCIdS:4; + uint8_t rfa:3; + uint8_t PD:1; + uint32_t SId; +} PACKED; + +struct FIG2_Extended_Label { + uint8_t Rfa:4; + uint8_t SegmentCount:3; + uint8_t EncodingFlag:1; + + uint16_t CharacterFlag; +} PACKED; + +#ifdef _WIN32 +# pragma pack(pop) +#endif + +} // namespace FIC + +#endif // __FIG2_H_ + |