aboutsummaryrefslogtreecommitdiff
path: root/sc4pd/source/amclip.cpp
blob: 8bd2edf7d7fd7a53ea5b12a6b9db2df084d82400 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
/* sc4pd 
   amclip, amclip(~)

   Copyright (c) 2004 Tim Blechmann.

   This code is derived from:
	SuperCollider real time audio synthesis system
    Copyright (c) 2002 James McCartney. All rights reserved.
	http://www.audiosynth.com


   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

   Based on:
     PureData by Miller Puckette and others.
         http://www.crca.ucsd.edu/~msp/software.html
     FLEXT by Thomas Grill
         http://www.parasitaere-kapazitaeten.net/ext
     SuperCollider by James McCartney
         http://www.audiosynth.com
     
   Coded while listening to: Keith Rowe & Toshimaru Nakamura: Weather Sky
   
*/

#include "sc4pd.hpp"


/* ------------------------ amclip~ -----------------------------*/

class amclip_ar
    :public sc4pd_dsp
{
    FLEXT_HEADER(amclip_ar,sc4pd_dsp);

public:
    amclip_ar(int argc,t_atom * argv);

protected:
    virtual void m_signal(int n, t_sample *const *in, t_sample *const *out);

private:
    
};

FLEXT_LIB_DSP_V("amclip~",amclip_ar);

amclip_ar::amclip_ar(int argc,t_atom * argv)
{
    AddInSignal();
    AddInSignal();
    AddOutSignal();
}

void amclip_ar::m_signal(int n, t_sample *const *in, 
				t_sample *const *out)
{
    t_sample *nout = *out;
    t_sample *nin1 = *in;
    t_sample *nin2 = *(in+1);

    for (int i = 0; i!= n;++i)
    {
	if( *nin2 > 0)
	    (*(nout)++) = sc_amclip( (*(nin1)++), (*(nin2)++) );
    }
}



/* ------------------------ amclip ------------------------------*/

class amclip_kr
    :public flext_base
{
    FLEXT_HEADER(amclip_kr,flext_base);

public:
    amclip_kr(int argc,t_atom * argv);

protected:
    void m_perform(float f);
    void m_set(float f);
    
private:
    float b;
    FLEXT_CALLBACK_F(m_perform);
    FLEXT_CALLBACK_F(m_set);
};

FLEXT_LIB_V("amclip",amclip_kr);

amclip_kr::amclip_kr(int argc,t_atom * argv)
    :b(0)
{

    AddInFloat();
    AddInFloat();
    AddOutFloat();

    FLEXT_ADDMETHOD(0,m_perform);
    FLEXT_ADDMETHOD(1,m_set);
}

void amclip_kr::m_perform(float f)
{
    ToOutFloat(0,f*b);
}

void amclip_kr::m_set(float f)
{
    if (f>0)
	b=f;
    else 
	b=0;
}