Nsound  0.9.4
FilterDelay.h
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1 //-----------------------------------------------------------------------------
2 //
3 // $Id: FilterDelay.h 874 2014-09-08 02:21:29Z weegreenblobbie $
4 //
5 // Nsound is a C++ library and Python module for audio synthesis featuring
6 // dynamic digital filters. Nsound lets you easily shape waveforms and write
7 // to disk or plot them. Nsound aims to be as powerful as Csound but easy to
8 // use.
9 //
10 // Copyright (c) 2007 Nick Hilton
11 //
12 // weegreenblobbie_yahoo_com (replace '_' with '@' and '.')
13 //
14 //-----------------------------------------------------------------------------
15 
16 //-----------------------------------------------------------------------------
17 //
18 // This program is free software; you can redistribute it and/or modify
19 // it under the terms of the GNU General Public License as published by
20 // the Free Software Foundation; either version 2 of the License, or
21 // (at your option) any later version.
22 //
23 // This program is distributed in the hope that it will be useful,
24 // but WITHOUT ANY WARRANTY; without even the implied warranty of
25 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 // GNU Library General Public License for more details.
27 //
28 // You should have received a copy of the GNU General Public License
29 // along with this program; if not, write to the Free Software
30 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31 //
32 //-----------------------------------------------------------------------------
33 #ifndef _NSOUND_FILTER_DELAY_H_
34 #define _NSOUND_FILTER_DELAY_H_
35 
36 #include <Nsound/Filter.h>
37 
38 namespace Nsound
39 {
40 
41 // Forward class declarations
42 class AudioStream;
43 class Buffer;
44 
45 //-----------------------------------------------------------------------------
47 class FilterDelay : public Filter
48 {
49  public:
50 
52  const float64 & sample_rate,
53  const float64 & max_delay_time_seconds);
54 
55  FilterDelay(const FilterDelay & copy);
56 
57  ~FilterDelay();
58 
60  filter(const AudioStream & x);
61 
63  filter(const AudioStream & x, const float64 & delay_in_seconds);
64 
66  filter(const AudioStream & x, const Buffer & delay_in_seconds);
67 
68  Buffer
69  filter(const Buffer & x);
70 
71  Buffer
72  filter(const Buffer & x, const float64 & delay_in_seconds);
73 
74  Buffer
75  filter(const Buffer & x, const Buffer & delay_in_seconds);
76 
77  float64
78  filter(const float64 & x);
79 
80  float64
81  filter(const float64 & x, const float64 & delay_in_seconds);
82 
83  FilterDelay &
84  operator=(const FilterDelay & rhs);
85 
86  void
87  reset();
88 
89  protected:
90 
95 
97 
99 
100 };
101 
102 };
103 
104 // :mode=c++: jEdit modeline
105 #endif
unsigned int uint32
Definition: Nsound.h:153
FilterDelay & operator=(const FilterDelay &rhs)
Definition: FilterDelay.cc:184
float64 * write_ptr_
Definition: FilterDelay.h:94
double float64
Definition: Nsound.h:146
AudioStream filter(const AudioStream &x)
Definition: FilterDelay.cc:98
float64 * buffer_end_ptr_
Definition: FilterDelay.h:92
Base class for IIR Filters, defines the interface.
Definition: Filter.h:49
FilterDelay(const float64 &sample_rate, const float64 &max_delay_time_seconds)
Definition: FilterDelay.cc:45
A Buffer for storing audio samples.
Definition: Buffer.h:60
A class for filtering audio in the frequecy domain.
Definition: FilterDelay.h:47
float64 * read_ptr_
Definition: FilterDelay.h:93