Ardour  9.0-pre0-582-g084a23a80d
vmresampler.h
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1 // ----------------------------------------------------------------------------
2 //
3 // Copyright (C) 2006-2012 Fons Adriaensen <fons@linuxaudio.org>
4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 3 of the License, or
8 // (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program. If not, see <http://www.gnu.org/licenses/>.
17 //
18 // ----------------------------------------------------------------------------
19 
20 
21 #ifndef _ZITA_VMRESAMPLER_H_
22 #define _ZITA_VMRESAMPLER_H_
23 
26 
27 namespace ArdourZita {
28 
30 {
31 public:
32  VMResampler (void);
33  ~VMResampler (void);
34 
35  int setup (unsigned int hlen);
36  int setup (unsigned int hlen, double frel);
37 
38  void clear (void);
39  int reset (void);
40  int inpsize (void) const;
41  double inpdist (void) const;
42  int process (void);
43 
44  void set_phase (double p);
45  void set_rrfilt (double t);
46  double set_rratio (double r);
47 
48  unsigned int inp_count;
49  unsigned int out_count;
50  float *inp_data;
51  float *out_data;
52  void *inp_list;
53  void *out_list;
54 
55 private:
56  enum { NPHASE = 256 };
57 
59  unsigned int _inmax;
60  unsigned int _index;
61  unsigned int _nread;
62  double _phase;
63  double _pstep;
64  double _qstep;
65  double _wstep;
66  float *_buff;
67  float *_c1;
68  float *_c2;
69  bool _reset;
70 };
71 
72 };
73 
74 #endif
double set_rratio(double r)
void set_rrfilt(double t)
int inpsize(void) const
int setup(unsigned int hlen, double frel)
Resampler_table * _table
Definition: vmresampler.h:58
double inpdist(void) const
unsigned int out_count
Definition: vmresampler.h:49
unsigned int inp_count
Definition: vmresampler.h:48
int setup(unsigned int hlen)
void set_phase(double p)
#define LIBZRESAMPLER_API