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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
xsample - extended sample objects for Max/MSP and pd (pure data)
Copyright (c) 2001-2003 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#include "main.h"
#include <stdio.h>
#ifdef _MSC_VER
#pragma warning (disable:4244)
#endif
class xplay:
public xinter
{
FLEXT_HEADER_S(xplay,xinter,setup)
public:
xplay(I argc,const t_atom *argv);
virtual BL Init();
virtual V m_help();
virtual V m_print();
private:
static V setup(t_classid c);
virtual V m_signal(I n,S *const *in,S *const *out);
};
FLEXT_LIB_DSP_V("xplay~",xplay)
V xplay::setup(t_classid c)
{
DefineHelp(c,"xplay~");
}
xplay::xplay(I argc,const t_atom *argv)
{
I argi = 0;
#if FLEXT_SYS == FLEXT_SYS_MAX
if(argc > argi && CanbeInt(argv[argi])) {
outchns = GetAInt(argv[argi]);
argi++;
}
#endif
if(argc > argi && IsSymbol(argv[argi])) {
buf = new buffer(GetSymbol(argv[argi]),true);
argi++;
#if FLEXT_SYS == FLEXT_SYS_MAX
// oldstyle command line?
if(argi == 1 && argc == 2 && CanbeInt(argv[argi])) {
outchns = GetAInt(argv[argi]);
argi++;
post("%s: old style command line detected - please change to '%s [channels] [buffer]'",thisName(),thisName());
}
#endif
}
else
buf = new buffer(NULL,true);
AddInSignal("Messages and Signal of playing position"); // pos signal
for(I ci = 0; ci < outchns; ++ci) {
C tmp[30];
STD::sprintf(tmp,"Audio signal channel %i",ci+1);
AddOutSignal(tmp);
}
m_reset();
}
BL xplay::Init()
{
if(xinter::Init()) {
m_reset();
return true;
}
else
return false;
}
V xplay::m_signal(I n,S *const *in,S *const *out)
{
// check whether buffer is invalid or changed
if(bufchk()) {
// convert position units to frames
arrmul(n,in[0],out[0]);
// call resample routine
playfun(n,out,out);
}
else
zerofun(n,out,out);
}
V xplay::m_help()
{
post("%s - part of xsample objects, version " XSAMPLE_VERSION,thisName());
#ifdef FLEXT_DEBUG
post("compiled on " __DATE__ " " __TIME__);
#endif
post("(C) Thomas Grill, 2001-2003");
#if FLEXT_SYS == FLEXT_SYS_MAX
post("Arguments: %s [channels=1] [buffer]",thisName());
#else
post("Arguments: %s [buffer]",thisName());
#endif
post("Inlets: 1:Messages/Position signal");
post("Outlets: 1:Audio signal");
post("Methods:");
post("\thelp: shows this help");
post("\tset name: set buffer");
post("\tenable 0/1: turn dsp calculation off/on");
post("\tprint: print current settings");
post("\tbang/start: begin playing");
post("\tstop: stop playing");
post("\treset: checks buffer");
post("\trefresh: checks buffer and refreshes outlets");
post("\t@units 0/1/2/3: set units to samples/buffer size/ms/s");
post("\t@interp 0/1/2: set interpolation to off/4-point/linear");
post("");
}
V xplay::m_print()
{
const C *interp_txt[] = {"off","4-point","linear"};
// print all current settings
post("%s - current settings:",thisName());
post("bufname = '%s', length = %.3f, channels = %i",buf->Name(),(F)(buf->Frames()*s2u),buf->Channels());
post("out channels = %i, samples/unit = %.3f, interpolation = %s",outchns,(F)(1./s2u),interp_txt[interp >= xsi_none && interp <= xsi_lin?interp:xsi_none]);
post("");
}
|
