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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/******************************************************
*
* espeak - implementation file
*
* (c) copyright 2011 IOhannes m zmölnig
* (c) copyright 2011 Matthias Kronlachner
* (c) copyright 2011 Marian Weger
*
* within the course: Künstlerisches Gestalten mit Klang 2010/2011
*
* institute of electronic music and acoustics (iem)
*
******************************************************
*
* license: GNU General Public License v.2
*
******************************************************/
#include "m_pd.h"
#include <espeak/speak_lib.h>
#include <string.h>
/* general */
static int espeak_rate=0;
#define ESPEAK_BUFFER 50000
typedef struct _espeak
{
t_object x_obj;
short*x_buffer; /* buffer of synth'ed samples */
unsigned int x_buflen; /* length of the buffer */
unsigned int x_position; /* playback position for perform-routine */
int x_ready; /* flag: if true, start playback */
t_outlet*x_infoout;
} t_espeak;
/* ------------------------ espeak~ ----------------------------- */
static t_class *espeak_class;
static t_int *espeak_perform(t_int *w){
t_espeak *x = (t_espeak *)(w[1]);
t_sample *out = (t_sample *)(w[2]);
int n = (int)(w[3]);
if(x->x_ready) {
// got data to play back
n=n/2;
short*in=x->x_buffer+x->x_position;
x->x_position+=n;
if(x->x_position>=x->x_buflen)
x->x_ready=0;
while(n--) {
t_sample f=(*in++)/32768.;
*out++ = f;
*out++ = f;
}
} else {
while(n--) {
*out++=0.f;
}
}
return (w+4);
}
static void espeak_dsp(t_espeak *x, t_signal **sp){
t_signal*sig=sp[0];
dsp_add(espeak_perform, 3,
x,
sp[0]->s_vec,
sp[0]->s_n);
}
static int espeak_callback(short *wav, int numsamples, espeak_EVENT *events) {
int i=0;
verbose(1, "get %d samples", numsamples);
if(numsamples) {
t_espeak*x = (t_espeak*)events[0].user_data;
if(NULL==x)
return 1;
memset(x->x_buffer, 0, x->x_buflen*sizeof(short));
memcpy(x->x_buffer, wav, numsamples*sizeof(short));
x->x_ready = 1;
x->x_position = 0;
}
return 0;
}
static void espeak_text(t_espeak *x, t_symbol*s, int argc, t_atom*argv) {
t_binbuf*bb=binbuf_new();
int size=0;
char*text=NULL;
binbuf_add(bb, argc, argv);
binbuf_gettext(bb, &text, &size);
binbuf_free(bb);
text[size]=0;
verbose(1, "speak '%s'", text);
espeak_Synth(text,
strlen(text),
0,
POS_CHARACTER,
0,
espeakCHARS_AUTO,
NULL,
x);
}
static void espeak_info(t_espeak*x){
const espeak_VOICE**voices=espeak_ListVoices(NULL);
int i=0;
while(voices[i]) {
t_atom ap[3];
SETSYMBOL(ap+0, gensym(voices[i]->name));
SETSYMBOL(ap+1, gensym(voices[i]->languages));
SETSYMBOL(ap+2, gensym(voices[i]->identifier));
outlet_anything(x->x_infoout, gensym("voice"), 3, ap);
i++;
}
}
static void espeak_voice(t_espeak*x, t_symbol*s){
espeak_ERROR err= espeak_SetVoiceByName(s->s_name);
}
static void espeak_free(t_espeak*x){
freebytes(x->x_buffer, x->x_buflen*sizeof(short));
if(x->x_infoout)
outlet_free(x->x_infoout);
}
static void *espeak_new(void){
t_espeak *x = (t_espeak *)pd_new(espeak_class);
x->x_buflen = espeak_rate*ESPEAK_BUFFER/1000;
x->x_buffer = (short*)getbytes(x->x_buflen*sizeof(short));
outlet_new(&x->x_obj, gensym("signal"));
x->x_infoout=outlet_new(&x->x_obj, NULL);
return (x);
}
void espeak_tilde_setup(void){
int result=espeak_Initialize(AUDIO_OUTPUT_RETRIEVAL,
ESPEAK_BUFFER,
NULL,
0);
if(result<0) {
error("couldn't initialize eSpeak");
return;
}
espeak_SetSynthCallback(espeak_callback);
espeak_rate=result;
post("eSpeak running at %d Hz", result);
espeak_class = class_new(gensym("espeak~"), (t_newmethod)espeak_new, 0, sizeof(t_espeak), 0, 0);
class_addmethod(espeak_class, (t_method)espeak_dsp, gensym("dsp"), 0);
class_addmethod(espeak_class, (t_method)espeak_text, gensym("speak"), A_GIMME, 0);
class_addmethod(espeak_class, (t_method)espeak_voice, gensym("voice"), A_SYMBOL, 0);
class_addbang(espeak_class, (t_method)espeak_info);
}
|
