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-rw-r--r--lib/edi/ETIWriter.hpp119
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diff --git a/lib/edi/ETIWriter.hpp b/lib/edi/ETIWriter.hpp
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--- a/lib/edi/ETIWriter.hpp
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-/*
- Copyright (C) 2016
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://opendigitalradio.org
-
- 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 2 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, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-#pragma once
-
-#include <stdint.h>
-#include <string>
-#include <vector>
-#include <list>
-#include "eti.hpp"
-
-namespace EdiDecoder {
-
-// Information for Frame Characterisation available in
-// EDI.
-//
-// Number of streams is given separately, and frame length
-// is calculeted in the ETIWriter
-struct eti_fc_data {
- bool atstf;
- uint32_t tsta;
- bool ficf;
- uint16_t dflc;
- uint8_t mid;
- uint8_t fp;
-
- uint8_t fct(void) const { return dflc % 250; }
-};
-
-// Information for a subchannel available in EDI
-struct eti_stc_data {
- uint8_t scid;
- uint8_t sad;
- uint8_t tpl;
- std::vector<uint8_t> mst;
-
- // Return the length of the MST in multiples of 64 bits
- uint16_t stl(void) const { return mst.size() / 8; }
-};
-
-class ETIWriter {
- public:
- // Tell the ETIWriter what EDI protocol we receive in *ptr.
- // This is not part of the ETI data, but is used as check
- void update_protocol(
- const std::string& proto,
- uint16_t major,
- uint16_t minor);
-
- // Update the data for the frame characterisation
- void update_fc_data(const eti_fc_data& fc_data);
-
- void update_fic(const std::vector<uint8_t>& fic);
-
- void update_err(uint8_t err);
-
- // In addition to TSTA in ETI, EDI also transports more time
- // stamp information.
- void update_edi_time(
- uint32_t utco,
- uint32_t seconds);
-
- void update_mnsc(uint16_t mnsc);
-
- void update_rfu(uint16_t rfu);
-
- void add_subchannel(const eti_stc_data& stc);
-
- // Tell the ETIWriter that the AFPacket is complete
- void assemble(void);
-
- // Return the assembled ETI frame or an empty frame if not ready
- std::vector<uint8_t> getEtiFrame(void);
-
- private:
- void reinit(void);
-
- bool m_proto_valid = false;
-
- uint8_t m_err;
-
- bool m_fc_valid = false;
- eti_fc_data m_fc;
-
- // m_fic is valid if non-empty
- std::vector<uint8_t> m_fic;
-
- std::vector<uint8_t> m_etiFrame;
-
- std::list<eti_stc_data> m_subchannels;
-
- bool m_time_valid = false;
- uint32_t m_utco;
- uint32_t m_seconds;
-
- uint16_t m_mnsc = 0xffff;
-
- // 16 bits: RFU field in EOH
- uint16_t m_rfu = 0xffff;
-};
-
-}