1 /*
2     Copyright (C) 2009-2010 Fons Adriaensen <fons@kokkinizita.net>
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 2 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, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18 
19 
20 #ifndef __AMBISONIC0_H
21 #define __AMBISONIC0_H
22 
23 
24 #include "ladspaplugin.h"
25 #include "virtmic.h"
26 #include "allpass.h"
27 
28 
29 
30 class Ladspa_Tricard2amb : public LadspaPlugin
31 {
32 public:
33 
34     enum { INP_L, INP_R, INP_B, OUT_W, OUT_X, OUT_Y, OUT_Z, NPORT  };
35 
Ladspa_Tricard2amb(unsigned long fsam)36     Ladspa_Tricard2amb (unsigned long fsam) : LadspaPlugin (fsam) {}
37     virtual void setport (unsigned long port, LADSPA_Data *data);
38     virtual void active  (bool act);
39     virtual void runproc (unsigned long len, bool add);
~Ladspa_Tricard2amb(void)40     virtual ~Ladspa_Tricard2amb (void) {}
41 
42 private:
43 
44     float     *_port [NPORT];
45 };
46 
47 
48 
49 class Ladspa_Virtualmic : public LadspaPlugin
50 {
51 public:
52 
53     enum { INP_W, INP_X, INP_Y, INP_Z, OUT_L, OUT_R,
54            CTL_ELEV, CTL_AZIM, CTL_ANGLE, CTL_POLAR, NPORT };
55 
Ladspa_Virtualmic(unsigned long fsam)56     Ladspa_Virtualmic (unsigned long fsam) : LadspaPlugin (fsam) {}
57     virtual void setport (unsigned long port, LADSPA_Data *data);
58     virtual void active  (bool act);
59     virtual void runproc (unsigned long len, bool add);
~Ladspa_Virtualmic(void)60     virtual ~Ladspa_Virtualmic (void) {}
61 
62 private:
63 
64     float     *_port [NPORT];
65     Virtmic    _vmic;
66 };
67 
68 
69 
70 class Ladspa_UHJ_encoder : public LadspaPlugin
71 {
72 public:
73 
74     enum { INP_W, INP_X, INP_Y, INP_Z, OUT_L, OUT_R, NPORT  };
75 
76     Ladspa_UHJ_encoder (unsigned long fsam);
77     virtual void setport (unsigned long port, LADSPA_Data *data);
78     virtual void active  (bool act);
79     virtual void runproc (unsigned long len, bool add);
~Ladspa_UHJ_encoder(void)80     virtual ~Ladspa_UHJ_encoder (void) {}
81 
82 private:
83 
84     float     *_port [NPORT];
85     bool       _err;
86     Allpass22  _Wfilt_r, _Wfilt_i;
87     Allpass22  _Xfilt_r, _Xfilt_i;
88     Allpass22  _Yfilt_r;
89 };
90 
91 
92 
93 class Ladspa_UHJ_decoder : public LadspaPlugin
94 {
95 public:
96 
97     enum { INP_L, INP_R, OUT_W, OUT_X, OUT_Y, OUT_Z, NPORT  };
98 
99     Ladspa_UHJ_decoder (unsigned long fsam);
100     virtual void setport (unsigned long port, LADSPA_Data *data);
101     virtual void active  (bool act);
102     virtual void runproc (unsigned long len, bool add);
~Ladspa_UHJ_decoder(void)103     virtual ~Ladspa_UHJ_decoder (void) {}
104 
105 private:
106 
107     float     *_port [NPORT];
108     bool       _err;
109     Allpass22  _Lfilt_r, _Lfilt_i;
110     Allpass22  _Rfilt_r, _Rfilt_i;
111 };
112 
113 
114 #endif
115