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
|
/*
Main speaking functions for the Festival Lite (Flite) Plug in
-------------------
Copyright:
(C) 2004 by Gary Cramblitt <[email protected]>
-------------------
Original author: Gary Cramblitt <[email protected]>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#ifndef _FLITEPROC_H_
#define _FLITEPROC_H_
// TQt includes.
#include <tqstringlist.h>
#include <tqmutex.h>
// KTTS includes.
#include <pluginproc.h>
class TDEProcess;
class FliteProc : public PlugInProc{
TQ_OBJECT
public:
/**
* Constructor
*/
FliteProc( TQObject* parent = 0, const char* name = 0, const TQStringList &args = TQStringList());
/**
* Destructor
*/
virtual ~FliteProc();
/**
* Initializate the speech engine.
* @param config Settings object.
* @param configGroup Settings Group.
*/
virtual bool init(TDEConfig *config, const TQString &configGroup);
/**
* Say a text string.
* @param text The text to speak.
*/
virtual void sayText(const TQString &text);
/**
* Synthesize text into an audio file, but do not send to the audio device.
* @param text The text to be synthesized.
* @param suggestedFilename Full pathname of file to create. The plugin
* may ignore this parameter and choose its own
* filename. KTTSD will query the generated
* filename using getFilename().
*
* If the plugin supports asynchronous operation, it should return immediately.
*/
virtual void synthText(const TQString& text, const TQString& suggestedFilename);
/**
* Get the generated audio filename from synthText.
* @return Name of the audio file the plugin generated.
* Null if no such file.
*
* The plugin must not re-use the filename.
*/
virtual TQString getFilename();
/**
* Stop current operation (saying or synthesizing text).
* Important: This function may be called from a thread different from the
* one that called sayText or synthText.
* If the plugin cannot stop an in-progress @ref sayText or
* @ref synthText operation, it must not block waiting for it to complete.
* Instead, return immediately.
*
* If a plugin returns before the operation has actually been stopped,
* the plugin must emit the @ref stopped signal when the operation has
* actually stopped.
*
* The plugin should change to the psIdle state after stopping the
* operation.
*/
virtual void stopText();
/**
* Return the current state of the plugin.
* This function only makes sense in asynchronous mode.
* @return The pluginState of the plugin.
*
* @see pluginState
*/
virtual pluginState getState();
/**
* Acknowledges a finished state and resets the plugin state to psIdle.
*
* If the plugin is not in state psFinished, nothing happens.
* The plugin may use this call to do any post-processing cleanup,
* for example, blanking the stored filename (but do not delete the file).
* Calling program should call getFilename prior to ackFinished.
*/
virtual void ackFinished();
/**
* Returns True if the plugin supports asynchronous processing,
* i.e., returns immediately from sayText or synthText.
* @return True if this plugin supports asynchronous processing.
*
* If the plugin returns True, it must also implement @ref getState .
* It must also emit @ref sayFinished or @ref synthFinished signals when
* saying or synthesis is completed.
*/
virtual bool supportsAsync();
/**
* Returns True if the plugin supports synthText method,
* i.e., is able to synthesize text to a sound file without
* audibilizing the text.
* @return True if this plugin supports synthText method.
*/
virtual bool supportsSynth();
/**
* Say or Synthesize text.
* @param text The text to be synthesized.
* @param synthFilename If not Null, synthesize only to this filename, otherwise
* synthesize and audibilize the text.
* @param fliteExePath Path to the flite executable.
*/
void synth(
const TQString &text,
const TQString &synthFilename,
const TQString &fliteExePath);
private slots:
void slotProcessExited(TDEProcess* proc);
void slotReceivedStdout(TDEProcess* proc, char* buffer, int buflen);
void slotReceivedStderr(TDEProcess* proc, char* buffer, int buflen);
void slotWroteStdin(TDEProcess* proc);
private:
/**
* Path to flite executable (from config).
*/
TQString m_fliteExePath;
/**
* Flite process
*/
TDEProcess* m_fliteProc;
/**
* Synthesis filename.
*/
TQString m_synthFilename;
/**
* Plugin state.
*/
pluginState m_state;
/**
* True when stopText has been called. Used to force transition to psIdle when
* Flite exits.
*/
bool m_waitingStop;
};
#endif // _FLITEPROC_H_
|
