cc708decoder.h

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// -*- Mode: c++ -*-
// Copyright (c) 2003-2005, Daniel Kristjansson
 
#ifndef CC708DECODER_H_
#define CC708DECODER_H_
 
#include <cstdint>
 
#include "libmythbase/compat.h"
#include "libmythbase/mythchrono.h"
 
using cc708_seen_flags = std::array<bool,64>;
using cc708_seen_times = std::array<SystemTime,64>;
 
struct CaptionPacket
{
    std::array<uint8_t,128+16> data {0};
    int size {0};
};
 
class CC708Reader;
 
class CC708Decoder
{
  public:
    explicit CC708Decoder(CC708Reader *ccr) : m_reader(ccr) {}
   ~CC708Decoder() = default;
 
    void decode_cc_data(uint cc_type, uint data1, uint data2);
 
    void services(std::chrono::seconds seconds, cc708_seen_flags & seen) const;
 
  private:
    CaptionPacket  m_partialPacket {};
    CC708Reader   *m_reader        {nullptr};
    cc708_seen_times m_lastSeen    {};
};
 
#endif // CC708DECODER_H_