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
|
/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <glib.h>
#include <string.h>
#include "debug.h"
#include "item.h"
#include "speech.h"
#include "plugin.h"
#include "xmlconfig.h"
struct speech {
NAVIT_OBJECT;
struct speech_priv *priv;
struct speech_methods meth;
};
struct speech *
speech_new(struct attr *parent, struct attr **attrs) {
struct speech *this_;
struct speech_priv *(*speech_new)(struct speech_methods *meth, struct attr **attrs, struct attr *parent);
struct attr *attr;
attr=attr_search(attrs, attr_type);
if (! attr) {
dbg(lvl_error,"type missing");
return NULL;
}
dbg(lvl_debug,"type='%s'", attr->u.str);
speech_new=plugin_get_category_speech(attr->u.str);
dbg(lvl_debug,"new=%p", speech_new);
if (! speech_new) {
dbg(lvl_error,"wrong type '%s'", attr->u.str);
return NULL;
}
this_=(struct speech *)navit_object_new(attrs, &speech_func, sizeof(struct speech));
this_->priv=speech_new(&this_->meth, this_->attrs, parent);
dbg(lvl_debug, "say=%p", this_->meth.say);
dbg(lvl_debug,"priv=%p", this_->priv);
if (! this_->priv) {
speech_destroy(this_);
return NULL;
}
dbg(lvl_debug,"return %p", this_);
return this_;
}
void speech_destroy(struct speech *this_) {
if (this_->priv)
this_->meth.destroy(this_->priv);
navit_object_destroy((struct navit_object *)this_);
}
int speech_say(struct speech *this_, const char *text) {
dbg(lvl_debug, "this_=%p text='%s' calling %p", this_, text, this_->meth.say);
return (this_->meth.say)(this_->priv, text);
}
struct attr active=ATTR_INT(active, 1);
struct attr *speech_default_attrs[]= {
&active,
NULL,
};
/**
* @brief Gets an attribute from a speech plugin
*
* @param this_ The speech plugin the attribute should be read from
* @param type The type of the attribute to be read
* @param attr Pointer to an attrib-structure where the attribute should be written to
* @param iter (NOT IMPLEMENTED) Used to iterate through all attributes of a type. Set this to NULL to get the first attribute, set this to an attr_iter to get the next attribute
* @return True if the attribute type was found, false if not
*/
int speech_get_attr(struct speech *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter) {
return attr_generic_get_attr(this_->attrs, speech_default_attrs, type, attr, iter);
}
/**
* @brief Tries to estimate how long it will take to speak a certain string
*
* This function tries to estimate how long it will take to speak a certain string
* passed in str. It relies on the "characters per second"-value passed from the
* configuration.
*
* @param this_ The speech whose speed should be used
* @param str The string that should be estimated
* @return Time in tenth of seconds or -1 on error
*/
int speech_estimate_duration(struct speech *this_, char *str) {
int count;
struct attr cps_attr;
if (!speech_get_attr(this_,attr_cps,&cps_attr,NULL)) {
return -1;
}
count = strlen(str);
return (count * 10) / cps_attr.u.num;
}
/**
* @brief Sets an attribute from an speech plugin
*
* This sets an attribute of a speech plugin, overwriting an attribute of the same type if it
* already exists. This function also calls all the callbacks that are registred
* to be called when attributes change.
*
* @param this_ The speech plugin to set the attribute of
* @param attr The attribute to set
* @return True if the attr could be set, false otherwise
*/
int speech_set_attr(struct speech *this_, struct attr *attr) {
this_->attrs=attr_generic_set_attr(this_->attrs, attr);
//callback_list_call_attr_2(this_->attr_cbl, attr->type, this_, attr);
return 1;
}
struct object_func speech_func = {
attr_speech,
(object_func_new)speech_new,
(object_func_get_attr)speech_get_attr,
(object_func_iter_new)navit_object_attr_iter_new,
(object_func_iter_destroy)navit_object_attr_iter_destroy,
(object_func_set_attr)speech_set_attr,
(object_func_add_attr)navit_object_add_attr,
(object_func_remove_attr)navit_object_remove_attr,
(object_func_init)NULL,
(object_func_destroy)speech_destroy,
(object_func_dup)NULL,
(object_func_ref)navit_object_ref,
(object_func_unref)navit_object_unref,
};
|
