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convert.hpp
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1 //
2 // Copyright 2011 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
7 // (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
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;
34 typedef uhd::ref_vector<void *> output_type;
35 typedef uhd::ref_vector<const void *> input_type;
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
74 UHD_API void register_converter(
75 const id_type &id,
76 const function_type &fcn,
77 const priority_type prio
78 );
79
85 UHD_API function_type get_converter(const id_type &id);
86
92 UHD_API void register_bytes_per_item(
93 const std::string &format, const size_t size
94 );
95
97 UHD_API size_t get_bytes_per_item(const std::string &format);
98
99 }} //namespace
100
101 #endif /* INCLUDED_UHD_CONVERT_HPP */