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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
#include "stdafx.h"
#include "SpeechApi51.h"
#include "SpeechApi51Lexicon.h"
#include <sapi.h>
#include <sphelper.h>
#include <sstream>
#include <memory>
namespace
{
//------------------------------------------------------------------------------
// Description : implement callback
//------------------------------------------------------------------------------
/*class Sapi51Callback : public ISpNotifyCallback
{
public:
Sapi51Callback();
virtual STDMETHODIMP NotifyCallback(WPARAM wParam, LPARAM lParam)
{
return S_OK;
}
};*/
}
//------------------------------------------------------------------------------
SpeechApi51::SpeechApi51() : m_sapi(nullptr), m_state(TextToSpeech::State_Unloaded), m_voice(L""), m_volume(50), m_pitch(50), m_rate(50)
{
}
//------------------------------------------------------------------------------
SpeechApi51::~SpeechApi51()
{
unload();
CoUninitialize();
}
//------------------------------------------------------------------------------
bool SpeechApi51::isAvailable()
{
CoInitialize(nullptr);
ISpVoice *sapi;
bool ret = true;
if (FAILED(CoCreateInstance(CLSID_SpVoice, nullptr, CLSCTX_ALL, IID_ISpVoice, reinterpret_cast<void **>(&sapi))))
{
ret = false;
}
else
{
sapi->Release();
}
return ret;
}
//------------------------------------------------------------------------------
bool SpeechApi51::load()
{
if (isLoaded())
{
return true;
}
CoInitialize(nullptr);
if (FAILED(CoCreateInstance(CLSID_SpVoice, nullptr, CLSCTX_ALL, IID_ISpVoice, reinterpret_cast<void **>(&m_sapi))))
{
return false;
}
m_state = TextToSpeech::State_Loaded;
// adjust the volume and rate settings
setVoice(m_voice);
setVolume(m_volume);
setRate(m_rate);
return true;
}
//------------------------------------------------------------------------------
bool SpeechApi51::unload()
{
if (isLoaded())
{
m_sapi->Release();
m_sapi = nullptr;
}
m_state = TextToSpeech::State_Unloaded;
return true;
}
//------------------------------------------------------------------------------
bool SpeechApi51::isLoaded() const
{
return (TextToSpeech::State_Loaded == m_state);
}
//------------------------------------------------------------------------------
bool SpeechApi51::say(const std::wstring &sentence)
{
if (!isLoaded())
{
return false;
}
// prepend the pitch setting
std::wstringstream output;
output << "<pitch middle='" << m_pitch << "'/> " << sentence;
const std::wstring& wstr = output.str(); // extends lifetime of temporary
const LPCWSTR p = wstr.c_str();
//std::auto_ptr<wchar_t> sapi_sentence(new wchar_t[output.str().size() + 1]);
//mbstowcs(sapi_sentence.get(), output.str().c_str(), output.str().size() + 1);
// speak the sentence
if (FAILED(m_sapi->Speak(p, SPF_IS_XML | SPF_ASYNC, nullptr)))
{
return false;
}
return true;
}
//------------------------------------------------------------------------------
bool SpeechApi51::setVolume(int volume)
{
m_volume = volume;
if (isLoaded() && FAILED(m_sapi->SetVolume(volume)))
{
return false;
}
return true;
}
//------------------------------------------------------------------------------
bool SpeechApi51::setPitch(int pitch)
{
m_pitch = (pitch / 5) - 10;
return true;
}
//------------------------------------------------------------------------------
bool SpeechApi51::setRate(int rate)
{
m_rate = rate;
// convert it to the range -10 to 10
if (isLoaded() && FAILED(m_sapi->SetRate((rate / 5.0) - 10)))
{
return false;
}
return true;
}
//------------------------------------------------------------------------------
bool SpeechApi51::setVoice(const std::wstring &voice)
{
m_voice = voice;
if (!isLoaded())
{
return true;
}
// get a voice enumerator
CComPtr<IEnumSpObjectTokens> cpEnum;
if (FAILED(SpEnumTokens(SPCAT_VOICES, nullptr, nullptr, &cpEnum)))
{
return false;
}
// iterate through the list till we find a matching voice
ISpObjectToken *voice_token;
while (S_OK == cpEnum->Next(1, &voice_token, nullptr))
{
CSpDynamicString voice_str;
if (SUCCEEDED(SpGetDescription(voice_token, &voice_str))
&& (voice == voice_str.Copy()))
{
m_sapi->SetVoice(voice_token);
return true;
}
}
return false;
}
//------------------------------------------------------------------------------
std::vector<std::wstring> SpeechApi51::getVoices() const
{
std::vector<std::wstring> ret;
CoInitialize(nullptr);
// get a voice enumerator
CComPtr<IEnumSpObjectTokens> cpEnum;
if (S_OK != SpEnumTokens(SPCAT_VOICES, nullptr, nullptr, &cpEnum))
{
return ret;
}
// iterate through the voices and add them to the string vector
ISpObjectToken *voice_token;
while (S_OK == cpEnum->Next(1, &voice_token, nullptr))
{
CSpDynamicString voice_str;
if (SUCCEEDED(SpGetDescription(voice_token, &voice_str)))
{
ret.push_back(voice_str.Copy());
}
}
return ret;
}
//------------------------------------------------------------------------------
bool SpeechApi51::lexiconDialog(HWND window)
{
// open the dialog
SpeechApi51Lexicon dialog(window);
if (!dialog.display())
{
return false;
}
return true;
}
//------------------------------------------------------------------------------
std::wstring SpeechApi51::getDescription()
{
return L"Microsoft SAPI v5.1";
}
//------------------------------------------------------------------------------
|
