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convert.hpp
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1 //
2 // Copyright 2011-2012 Ettus Research LLC
3 //
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
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8 //
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11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
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15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
16 //
17 
18 #ifndef INCLUDED_UHD_CONVERT_HPP
19 #define INCLUDED_UHD_CONVERT_HPP
20 
21 #include <uhd/config.hpp>
22 #include <uhd/types/ref_vector.hpp>
23 #include <boost/shared_ptr.hpp>
24 #include <boost/function.hpp>
25 #include <boost/operators.hpp>
26 #include <string>
27 
28 namespace uhd{ namespace convert{
29 
31  class converter{
32  public:
33  typedef boost::shared_ptr<converter> sptr;
36 
38  virtual void set_scalar(const double) = 0;
39 
41  UHD_INLINE void conv(const input_type &in, const output_type &out, const size_t num){
42  if (num != 0) (*this)(in, out, num);
43  }
44 
45  private:
47  virtual void operator()(const input_type&, const output_type&, const size_t) = 0;
48  };
49 
51  typedef boost::function<converter::sptr(void)> function_type;
52 
54  typedef int priority_type;
55 
57  struct id_type : boost::equality_comparable<id_type>{
58  std::string input_format;
59  size_t num_inputs;
60  std::string output_format;
61  size_t num_outputs;
62  std::string to_pp_string(void) const;
63  };
64 
66  UHD_API bool operator==(const id_type &, const id_type &);
67 
75  const id_type &id,
76  const function_type &fcn,
77  const priority_type prio
78  );
79 
87  const id_type &id,
88  const priority_type prio = -1
89  );
90 
97  const std::string &format, const size_t size
98  );
99 
101  UHD_API size_t get_bytes_per_item(const std::string &format);
102 
103 }} //namespace
104 
105 #endif /* INCLUDED_UHD_CONVERT_HPP */