GNU Radio 3.6.5.1 C++ API
gr_float_to_short.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2012 Free Software Foundation, Inc.
4  *
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22 
23 #ifndef INCLUDED_GR_FLOAT_TO_SHORT_H
24 #define INCLUDED_GR_FLOAT_TO_SHORT_H
25 
26 #include <gr_core_api.h>
27 #include <gr_sync_block.h>
28 
29 class gr_float_to_short;
31 
33 gr_make_float_to_short (size_t vlen=1, float scale=1);
34 
35 /*!
36  * \brief Convert stream of float to a stream of short
37  *
38  * \param vlen vector length of data streams.
39  * \param scale a scalar multiplier to change the output signal scale.
40  */
41 
43 {
44  friend GR_CORE_API
45  gr_float_to_short_sptr gr_make_float_to_short (size_t vlen, float scale);
46  gr_float_to_short (size_t vlen, float scale);
47 
48  size_t d_vlen;
49  float d_scale;
50 
51  public:
52  /*!
53  * Get the scalar multiplier value.
54  */
55  float scale() const;
56 
57  /*!
58  * Set the scalar multiplier value.
59  */
60  void set_scale(float scale);
61 
62  virtual int work (int noutput_items,
63  gr_vector_const_void_star &input_items,
64  gr_vector_void_star &output_items);
65 };
66 
67 
68 #endif /* INCLUDED_GR_FLOAT_TO_SHORT_H */