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1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "ToneGenerator"
19 
20 #include <math.h>
21 #include <utils/Log.h>
22 #include <cutils/properties.h>
23 #include <media/AudioPolicyHelper.h>
24 #include "media/ToneGenerator.h"
25 
26 
27 namespace android {
28 
29 
30 // Descriptors for all available tones (See ToneGenerator::ToneDescriptor class declaration for details)
31 const ToneGenerator::ToneDescriptor ToneGenerator::sToneDescriptors[] = {
32         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1336, 941, 0 }, 0, 0},
33                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
34           .repeatCnt = ToneGenerator::TONEGEN_INF,
35           .repeatSegment = 0 },                              // TONE_DTMF_0
36         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1209, 697, 0 }, 0, 0 },
37                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
38           .repeatCnt = ToneGenerator::TONEGEN_INF,
39           .repeatSegment = 0 },                              // TONE_DTMF_1
40         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1336, 697, 0 }, 0, 0 },
41                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
42           .repeatCnt = ToneGenerator::TONEGEN_INF,
43           .repeatSegment = 0 },                              // TONE_DTMF_2
44         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1477, 697, 0 }, 0, 0 },
45                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
46           .repeatCnt = ToneGenerator::TONEGEN_INF,
47           .repeatSegment = 0 },                              // TONE_DTMF_3
48         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1209, 770, 0 }, 0, 0 },
49                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
50           .repeatCnt = ToneGenerator::TONEGEN_INF,
51           .repeatSegment = 0 },                              // TONE_DTMF_4
52         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1336, 770, 0 }, 0, 0 },
53                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
54           .repeatCnt = ToneGenerator::TONEGEN_INF,
55           .repeatSegment = 0 },                              // TONE_DTMF_5
56         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1477, 770, 0 }, 0, 0 },
57                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
58           .repeatCnt = ToneGenerator::TONEGEN_INF,
59           .repeatSegment = 0 },                              // TONE_DTMF_6
60         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1209, 852, 0 }, 0, 0 },
61                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
62           .repeatCnt = ToneGenerator::TONEGEN_INF,
63           .repeatSegment = 0 },                              // TONE_DTMF_7
64         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1336, 852, 0 }, 0, 0 },
65                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
66           .repeatCnt = ToneGenerator::TONEGEN_INF,
67           .repeatSegment = 0 },                              // TONE_DTMF_8
68         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1477, 852, 0 }, 0, 0 },
69                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
70           .repeatCnt = ToneGenerator::TONEGEN_INF,
71           .repeatSegment = 0 },                              // TONE_DTMF_9
72         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1209, 941, 0 }, 0, 0 },
73                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
74           .repeatCnt = ToneGenerator::TONEGEN_INF,
75           .repeatSegment = 0 },                              // TONE_DTMF_S
76         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1477, 941, 0 }, 0, 0 },
77                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
78           .repeatCnt = ToneGenerator::TONEGEN_INF,
79           .repeatSegment = 0 },                              // TONE_DTMF_P
80         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1633, 697, 0 }, 0, 0 },
81                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
82           .repeatCnt = ToneGenerator::TONEGEN_INF,
83           .repeatSegment = 0 },                              // TONE_DTMF_A
84         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1633, 770, 0 }, 0, 0 },
85                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
86           .repeatCnt = ToneGenerator::TONEGEN_INF,
87           .repeatSegment = 0 },                             // TONE_DTMF_B
88         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1633, 852, 0 }, 0, 0 },
89                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
90           .repeatCnt = ToneGenerator::TONEGEN_INF,
91           .repeatSegment = 0 },                              // TONE_DTMF_C
92         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 1633, 941, 0 }, 0, 0 },
93                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
94           .repeatCnt = ToneGenerator::TONEGEN_INF,
95           .repeatSegment = 0 },                              // TONE_DTMF_D
96         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 425, 0 }, 0, 0 },
97                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
98           .repeatCnt = ToneGenerator::TONEGEN_INF,
99           .repeatSegment = 0 },                              // TONE_SUP_DIAL
100         { .segments = { { .duration = 500 , .waveFreq = { 425, 0 }, 0, 0},
101                         { .duration = 500, .waveFreq = { 0 }, 0, 0},
102                            { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
103           .repeatCnt = ToneGenerator::TONEGEN_INF,
104           .repeatSegment = 0 },                              // TONE_SUP_BUSY
105         { .segments = { { .duration = 200, .waveFreq = { 425, 0 }, 0, 0 },
106                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
107                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
108           .repeatCnt = ToneGenerator::TONEGEN_INF,
109           .repeatSegment = 0 },                              // TONE_SUP_CONGESTION
110         { .segments = { { .duration = 200, .waveFreq = { 425, 0 }, 0, 0 },
111                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
112           .repeatCnt = 0,
113           .repeatSegment = 0 },                              // TONE_SUP_RADIO_ACK
114         { .segments = { { .duration = 200, .waveFreq = { 425, 0 }, 0, 0},
115                         { .duration = 200, .waveFreq = { 0 }, 0, 0},
116                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
117           .repeatCnt = 2,
118           .repeatSegment = 0 },                              // TONE_SUP_RADIO_NOTAVAIL
119         { .segments = { { .duration = 330, .waveFreq = { 950, 1400, 1800, 0 }, 0, 0},
120                         { .duration = 1000, .waveFreq = { 0 }, 0, 0},
121                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
122           .repeatCnt = ToneGenerator::TONEGEN_INF,
123           .repeatSegment = 0 },                              // TONE_SUP_ERROR
124         { .segments = { { .duration = 200, .waveFreq = { 425, 0 }, 0, 0 },
125                         { .duration = 600, .waveFreq = { 0 }, 0, 0 },
126                         { .duration = 200, .waveFreq = { 425, 0 }, 0, 0 },
127                         { .duration = 3000, .waveFreq = { 0 }, 0, 0 },
128                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
129           .repeatCnt = ToneGenerator::TONEGEN_INF,
130           .repeatSegment = 0 },                              // TONE_SUP_CALL_WAITING
131         { .segments = { { .duration = 1000, .waveFreq = { 425, 0 }, 0, 0 },
132                         { .duration = 4000, .waveFreq = { 0 }, 0, 0 },
133                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
134           .repeatCnt = ToneGenerator::TONEGEN_INF,
135           .repeatSegment = 0 },                              // TONE_SUP_RINGTONE
136         { .segments = { { .duration = 40, .waveFreq = { 400, 1200, 0 }, 0, 0 },
137                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
138           .repeatCnt = 0,
139           .repeatSegment = 0 },                              // TONE_PROP_BEEP
140         { .segments = { { .duration = 100, .waveFreq = { 1200, 0 }, 0, 0 },
141                         { .duration = 100, .waveFreq = { 0 }, 0, 0  },
142                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
143           .repeatCnt = 1,
144           .repeatSegment = 0 },                              // TONE_PROP_ACK
145         { .segments = { { .duration = 400, .waveFreq = { 300, 400, 500, 0 }, 0, 0 },
146                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
147           .repeatCnt = 0,
148           .repeatSegment = 0 },                              // TONE_PROP_NACK
149         { .segments = { { .duration = 200, .waveFreq = { 400, 1200, 0 }, 0, 0 },
150                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
151           .repeatCnt = 0,
152           .repeatSegment = 0 },                              // TONE_PROP_PROMPT
153         { .segments = { { .duration = 40, .waveFreq = { 400, 1200, 0 }, 0, 0 },
154                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
155                         { .duration = 40, .waveFreq = { 400, 1200, 0 }, 0, 0 },
156                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
157           .repeatCnt = 0,
158           .repeatSegment = 0 },                             // TONE_PROP_BEEP2
159         { .segments = { { .duration = 250, .waveFreq = { 440, 0 }, 0, 0 },
160                         { .duration = 250, .waveFreq = { 620, 0 }, 0, 0 },
161                         { .duration = 0 , .waveFreq = { 0 }, 0, 0 }},
162           .repeatCnt = ToneGenerator::TONEGEN_INF,
163           .repeatSegment = 0 },                              // TONE_SUP_INTERCEPT
164         { .segments = { { .duration = 250, .waveFreq = { 440, 0 }, 0, 0 },
165                         { .duration = 250, .waveFreq = { 620, 0 }, 0, 0 },
166                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
167           .repeatCnt = 7,
168           .repeatSegment = 0 },                             // TONE_SUP_INTERCEPT_ABBREV
169         { .segments = { { .duration = 250, .waveFreq = { 480, 620, 0 }, 0, 0 },
170                         { .duration = 250, .waveFreq = { 0 }, 0, 0 },
171                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
172           .repeatCnt = 7,
173           .repeatSegment = 0 },                             // TONE_SUP_CONGESTION_ABBREV
174         { .segments = { { .duration = 100, .waveFreq = { 350, 440, 0 }, 0, 0 },
175                         { .duration = 100, .waveFreq = { 0 }, 0, 0 },
176                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
177           .repeatCnt = 2,
178           .repeatSegment = 0 },                             // TONE_SUP_CONFIRM
179         { .segments = { { .duration = 100, .waveFreq = { 480, 0 }, 0, 0 },
180                         { .duration = 100, .waveFreq = { 0 }, 0, 0 },
181                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
182           .repeatCnt = 3,
183           .repeatSegment = 0 },                              // TONE_SUP_PIP
184         { .segments = {{ .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 425, 0 }, 0, 0},
185                        { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
186           .repeatCnt = ToneGenerator::TONEGEN_INF,
187           .repeatSegment = 0 },                              // TONE_CDMA_DIAL_TONE_LITE
188         { .segments = { { .duration = 2000, .waveFreq = { 440, 480, 0 }, 0, 0 },
189                         { .duration = 4000, .waveFreq = { 0 }, 0, 0 },
190                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
191           .repeatCnt = ToneGenerator::TONEGEN_INF,
192           .repeatSegment = 0 },                              // TONE_CDMA_NETWORK_USA_RINGBACK
193         { .segments = { { .duration = 250, .waveFreq = { 440, 0 }, 0, 0 },
194                         { .duration = 250, .waveFreq = { 620, 0 }, 0, 0 },
195                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
196           .repeatCnt =  ToneGenerator::TONEGEN_INF,
197           .repeatSegment = 0 },                             // TONE_CDMA_INTERCEPT
198         { .segments = { { .duration = 250, .waveFreq = { 440, 0 }, 0, 0 },
199                         { .duration = 250, .waveFreq = { 620, 0 }, 0, 0 },
200                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
201           .repeatCnt =  0,
202           .repeatSegment = 0 },                             // TONE_CDMA_ABBR_INTERCEPT
203         { .segments = { { .duration = 250, .waveFreq = { 480, 620, 0 }, 0, 0 },
204                         { .duration = 250, .waveFreq = { 0 }, 0, 0 },
205                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
206           .repeatCnt = ToneGenerator::TONEGEN_INF,
207           .repeatSegment = 0 },                              // TONE_CDMA_REORDER
208         { .segments = { { .duration = 250, .waveFreq = { 480, 620, 0 }, 0, 0 },
209                         { .duration = 250, .waveFreq = { 0 }, 0, 0 },
210                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
211           .repeatCnt = 7,
212           .repeatSegment = 0 },                              // TONE_CDMA_ABBR_REORDER
213         { .segments = { { .duration = 500, .waveFreq = { 480, 620, 0 }, 0, 0 },
214                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
215                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
216           .repeatCnt = ToneGenerator::TONEGEN_INF,
217           .repeatSegment = 0 },                              // TONE_CDMA_NETWORK_BUSY
218         { .segments = { { .duration = 100, .waveFreq = { 350, 440, 0 }, 0, 0 },
219                         { .duration = 100, .waveFreq = { 0 }, 0, 0 },
220                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
221           .repeatCnt = 2,
222           .repeatSegment = 0 },                              // TONE_CDMA_CONFIRM
223         { .segments = { { .duration = 500, .waveFreq = { 660, 1000, 0 }, 0, 0 },
224                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
225           .repeatCnt = 0,
226           .repeatSegment = 0 },                              // TONE_CDMA_ANSWER
227         { .segments = { { .duration = 300, .waveFreq = { 440, 0 }, 0, 0 },
228                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
229           .repeatCnt = 0,
230           .repeatSegment = 0 },                              // TONE_CDMA_NETWORK_CALLWAITING
231         { .segments = { { .duration = 100, .waveFreq = { 480, 0 }, 0, 0 },
232                         { .duration = 100, .waveFreq = { 0 }, 0, 0 },
233                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
234           .repeatCnt = 3,
235           .repeatSegment = 0 },                              // TONE_CDMA_PIP
236 
237         { .segments = { { .duration = 32, .waveFreq = { 2091, 0}, 0, 0 },
238                         { .duration = 64, .waveFreq = { 2556, 0}, 19, 0},
239                         { .duration = 32, .waveFreq = { 2091, 0}, 0, 0},
240                         { .duration = 48, .waveFreq = { 2556, 0}, 0, 0},
241                         { .duration = 4000, .waveFreq = { 0 }, 0, 0},
242                         { .duration = 0,  .waveFreq = { 0 }, 0, 0}},
243           .repeatCnt = 0,
244           .repeatSegment = 0 },                             // TONE_CDMA_CALL_SIGNAL_ISDN_NORMAL
245         { .segments = { { .duration = 32, .waveFreq = { 2091, 0}, 0, 0 },
246                         { .duration = 64, .waveFreq = { 2556, 0}, 7, 0 },
247                         { .duration = 32, .waveFreq = { 2091, 0}, 0, 0 },
248                         { .duration = 400, .waveFreq = { 0 }, 0, 0 },
249                         { .duration = 32,  .waveFreq = { 2091, 0}, 0, 0 },
250                         { .duration = 64,  .waveFreq = { 2556, 0}, 7, 4 },
251                         { .duration = 32,  .waveFreq = { 2091, 0}, 0, 0 },
252                         { .duration = 4000, .waveFreq = { 0 }, 0, 0 },
253                         { .duration = 0,    .waveFreq = { 0 }, 0, 0 } },
254           .repeatCnt = 0,
255           .repeatSegment = 0 },                              // TONE_CDMA_CALL_SIGNAL_ISDN_INTERGROUP
256         { .segments = { { .duration = 32, .waveFreq = { 2091, 0}, 0, 0 },
257                         { .duration = 64, .waveFreq = { 2556, 0}, 3, 0 },
258                         { .duration = 16, .waveFreq = { 2091, 0}, 0, 0 },
259                         { .duration = 200, .waveFreq = { 0 },     0, 0 },
260                         { .duration = 32, .waveFreq = { 2091, 0}, 0, 0 },
261                         { .duration = 64, .waveFreq = { 2556, 0}, 3, 4 },
262                         { .duration = 16, .waveFreq = { 2091, 0}, 0, 0 },
263                         { .duration = 200, .waveFreq = { 0 },     0, 0 },
264                         { .duration = 0,   .waveFreq = { 0 },     0, 0 } },
265           .repeatCnt = 0,
266           .repeatSegment = 0 },                            // TONE_CDMA_CALL_SIGNAL_ISDN_SP_PRI
267         { .segments = { { .duration = 0,  .waveFreq = { 0 }, 0, 0} },
268           .repeatCnt = 0,
269           .repeatSegment = 0 },                            // TONE_CDMA_CALL_SIGNAL_ISDN_PAT3
270         { .segments = { { .duration = 32, .waveFreq = { 2091, 0 }, 0, 0 },
271                         { .duration = 64, .waveFreq = { 2556, 0 }, 4, 0 },
272                         { .duration = 20, .waveFreq = { 2091, 0 }, 0, 0 },
273                         { .duration = 0,  .waveFreq = { 0 }      , 0, 0 } },
274           .repeatCnt = 0,
275           .repeatSegment = 0 },                             // TONE_CDMA_CALL_SIGNAL_ISDN_PING_RING
276         { .segments = { { .duration = 0,  .waveFreq = { 0 }, 0, 0} },
277           .repeatCnt = 0,
278           .repeatSegment = 0 },                             // TONE_CDMA_CALL_SIGNAL_ISDN_PAT5
279         { .segments = { { .duration = 0,  .waveFreq = { 0 }, 0, 0} },
280           .repeatCnt = 0,
281           .repeatSegment = 0 },                             // TONE_CDMA_CALL_SIGNAL_ISDN_PAT6
282         { .segments = { { .duration = 0,  .waveFreq = { 0 }, 0, 0} },
283           .repeatCnt = 0,
284           .repeatSegment = 0 },                             // TONE_CDMA_CALL_SIGNAL_ISDN_PAT7
285 
286         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
287                         { .duration = 25, .waveFreq = { 4000, 0 }, 39, 0 },
288                         { .duration = 4000, .waveFreq = { 0 },     0, 0 },
289                         { .duration = 0,    .waveFreq = { 0 },     0, 0 } },
290           .repeatCnt = ToneGenerator::TONEGEN_INF,
291           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_L
292         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
293                         { .duration = 25, .waveFreq = { 2900, 0 }, 39, 0 },
294                         { .duration = 4000, .waveFreq = { 0 },     0, 0 },
295                         { .duration = 0,    .waveFreq = { 0 },     0, 0 } },
296           .repeatCnt = ToneGenerator::TONEGEN_INF,
297           .repeatSegment = 0 },                           // TONE_CDMA_MED_L
298         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
299                         { .duration = 25, .waveFreq = { 1450, 0 }, 39, 0 },
300                         { .duration = 4000, .waveFreq = { 0 },     0, 0 },
301                         { .duration = 0,    .waveFreq = { 0 },     0, 0 } },
302           .repeatCnt = ToneGenerator::TONEGEN_INF,
303           .repeatSegment = 0 },                           // TONE_CDMA_LOW_L
304         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
305                         { .duration = 25, .waveFreq = { 4000, 0 }, 15, 0 },
306                         { .duration = 400, .waveFreq = { 0 }, 0, 0 },
307                         { .duration = 0, .waveFreq = { 0 }, 0, 0 } },
308           .repeatCnt = ToneGenerator::TONEGEN_INF,
309           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_SS
310         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
311                         { .duration = 25, .waveFreq = { 2900, 0 }, 15, 0 },
312                         { .duration = 400, .waveFreq = { 0 }, 0, 0 },
313                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
314           .repeatCnt = ToneGenerator::TONEGEN_INF,
315           .repeatSegment = 0 },                           // TONE_CDMA_MED_SS
316         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
317                         { .duration = 25, .waveFreq = { 1450, 0 }, 15, 0 },
318                         { .duration = 400, .waveFreq = { 0 }, 0, 0 },
319                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
320           .repeatCnt = ToneGenerator::TONEGEN_INF,
321           .repeatSegment = 0 },                           // TONE_CDMA_LOW_SS
322         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
323                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 0 },
324                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
325                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
326                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 3 },
327                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
328                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
329                         { .duration = 25, .waveFreq = { 4000, 0 }, 15, 6 },
330                         { .duration = 4000, .waveFreq = { 0 }, 0, 0 },
331                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
332           .repeatCnt = ToneGenerator::TONEGEN_INF,
333           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_SSL
334         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
335                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 0 },
336                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
337                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
338                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 3 },
339                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
340                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
341                         { .duration = 25, .waveFreq = { 2900, 0 }, 15, 6 },
342                         { .duration = 4000, .waveFreq = { 0 }, 0, 0 },
343                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
344           .repeatCnt = ToneGenerator::TONEGEN_INF,
345           .repeatSegment = 0 },                           // TONE_CDMA_MED_SSL
346         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
347                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 0 },
348                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
349                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
350                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 3 },
351                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
352                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
353                         { .duration = 25, .waveFreq = { 1450, 0 }, 15, 6 },
354                         { .duration = 4000, .waveFreq = { 0 }, 0, 0 },
355                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
356           .repeatCnt = ToneGenerator::TONEGEN_INF,
357           .repeatSegment = 0 },                           // TONE_CDMA_LOW_SSL
358         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
359                           { .duration = 25, .waveFreq = { 4000, 0 }, 19, 0 },
360                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
361                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
362                         { .duration = 25, .waveFreq = { 4000, 0 }, 19, 3 },
363                         { .duration = 3000, .waveFreq = { 0 }, 0, 0 },
364                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
365           .repeatCnt = ToneGenerator::TONEGEN_INF,
366           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_SS_2
367         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
368                         { .duration = 25, .waveFreq = { 2900, 0 }, 19, 0 },
369                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
370                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
371                         { .duration = 25, .waveFreq = { 2900, 0 }, 19, 3 },
372                         { .duration = 3000, .waveFreq = { 0 }, 0, 0 },
373                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
374           .repeatCnt = ToneGenerator::TONEGEN_INF,
375           .repeatSegment = 0 },                           // TONE_CDMA_MED_SS_2
376         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
377                         { .duration = 25, .waveFreq = { 1450, 0 }, 19, 0 },
378                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
379                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
380                         { .duration = 25, .waveFreq = { 1450, 0 }, 19, 3 },
381                         { .duration = 3000, .waveFreq = { 0 }, 0, 0 },
382                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
383           .repeatCnt = ToneGenerator::TONEGEN_INF,
384           .repeatSegment = 0 },                           // TONE_CDMA_LOW_SS_2
385         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
386                         { .duration = 25, .waveFreq = { 4000, 0 }, 9, 0 },
387                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
388                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
389                         { .duration = 25, .waveFreq = { 4000, 0 }, 19, 3 },
390                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
391                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
392                         { .duration = 25, .waveFreq = { 4000, 0 }, 9, 6 },
393                         { .duration = 3000, .waveFreq = { 0 }, 0, 0 },
394                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
395           .repeatCnt = ToneGenerator::TONEGEN_INF,
396           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_SLS
397         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
398                         { .duration = 25, .waveFreq = { 2900, 0 }, 9, 0 },
399                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
400                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
401                         { .duration = 25, .waveFreq = { 2900, 0 }, 19, 3 },
402                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
403                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
404                         { .duration = 25, .waveFreq = { 2900, 0 }, 9, 6 },
405                         { .duration = 3000, .waveFreq = { 0 }, 0, 0 },
406                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
407           .repeatCnt = ToneGenerator::TONEGEN_INF,
408           .repeatSegment = 0 },                           // TONE_CDMA_MED_SLS
409         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
410                         { .duration = 25, .waveFreq = { 1450, 0 }, 9, 0 },
411                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
412                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
413                         { .duration = 25, .waveFreq = { 1450, 0 }, 19, 3 },
414                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
415                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
416                         { .duration = 25, .waveFreq = { 1450, 0 }, 9, 6 },
417                         { .duration = 3000, .waveFreq = { 0 }, 0, 0 },
418                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
419           .repeatCnt = ToneGenerator::TONEGEN_INF,
420           .repeatSegment = 0 },                           // TONE_CDMA_LOW_SLS
421         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
422                         { .duration = 25, .waveFreq = { 4000, 0 }, 9, 0 },
423                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
424                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
425                         { .duration = 25, .waveFreq = { 4000, 0 }, 9, 3 },
426                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
427                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
428                         { .duration = 25, .waveFreq = { 4000, 0 }, 9, 6 },
429                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
430                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
431                         { .duration = 25, .waveFreq = { 4000, 0 }, 9, 9 },
432                         { .duration = 2500, .waveFreq = { 0 }, 0, 0 },
433                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
434           .repeatCnt = ToneGenerator::TONEGEN_INF,
435           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_S_X4
436         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
437                         { .duration = 25, .waveFreq = { 2900, 0 }, 9, 0 },
438                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
439                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
440                         { .duration = 25, .waveFreq = { 2900, 0 }, 9, 3 },
441                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
442                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
443                         { .duration = 25, .waveFreq = { 2900, 0 }, 9, 6 },
444                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
445                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
446                         { .duration = 25, .waveFreq = { 2900, 0 }, 9, 9 },
447                         { .duration = 2500, .waveFreq = { 0 }, 0, 0 },
448                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
449           .repeatCnt = ToneGenerator::TONEGEN_INF,
450           .repeatSegment = 0 },                           // TONE_CDMA_MED_S_X4
451         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
452                         { .duration = 25, .waveFreq = { 1450, 0 }, 9, 0 },
453                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
454                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
455                         { .duration = 25, .waveFreq = { 1450, 0 }, 9, 3 },
456                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
457                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
458                         { .duration = 25, .waveFreq = { 1450, 0 }, 9, 6 },
459                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
460                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
461                         { .duration = 25, .waveFreq = { 1450, 0 }, 9, 9 },
462                         { .duration = 2500, .waveFreq = { 0 }, 0, 0 },
463                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
464           .repeatCnt = ToneGenerator::TONEGEN_INF,
465           .repeatSegment = 0 },                           // TONE_CDMA_LOW_S_X4
466         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
467                         { .duration = 25, .waveFreq = { 4000, 0 }, 19, 0 },
468                         { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
469                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
470           .repeatCnt = ToneGenerator::TONEGEN_INF,
471           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_PBX_L
472         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
473                         { .duration = 25, .waveFreq = { 2900, 0 }, 19, 0 },
474                         { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
475                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
476           .repeatCnt = ToneGenerator::TONEGEN_INF,
477           .repeatSegment = 0 },                           // TONE_CDMA_MED_PBX_L
478         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
479                         { .duration = 25, .waveFreq = { 1450, 0 }, 19, 0 },
480                         { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
481                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
482           .repeatCnt = ToneGenerator::TONEGEN_INF,
483           .repeatSegment = 0 },                           // TONE_CDMA_LOW_PBX_L
484         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
485                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 0 },
486                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
487                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
488                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 3 },
489                         { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
490                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
491           .repeatCnt = ToneGenerator::TONEGEN_INF,
492           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_PBX_SS
493         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
494                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 0 },
495                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
496                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
497                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 3 },
498                         { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
499                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
500           .repeatCnt = ToneGenerator::TONEGEN_INF,
501           .repeatSegment = 0 },                           // TONE_CDMA_MED_PBX_SS
502         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
503                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 0 },
504                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
505                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
506                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 3 },
507                         { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
508                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
509           .repeatCnt = ToneGenerator::TONEGEN_INF,
510           .repeatSegment = 0 },                           // TONE_CDMA_LOW_PBX_SS
511         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
512                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 0 },
513                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
514                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
515                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 3 },
516                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
517                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
518                         { .duration = 25, .waveFreq = { 4000, 0 }, 15, 6 },
519                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
520                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
521           .repeatCnt = ToneGenerator::TONEGEN_INF,
522           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_PBX_SSL
523         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
524                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 0 },
525                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
526                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
527                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 3 },
528                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
529                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
530                         { .duration = 25, .waveFreq = { 2900, 0 }, 15, 6 },
531                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
532                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
533           .repeatCnt = ToneGenerator::TONEGEN_INF,
534           .repeatSegment = 0 },                           // TONE_CDMA_MED_PBX_SSL
535         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
536                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 0 },
537                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
538                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
539                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 3 },
540                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
541                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
542                         { .duration = 25, .waveFreq = { 1450, 0 }, 15, 6 },
543                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
544                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
545           .repeatCnt = ToneGenerator::TONEGEN_INF,
546           .repeatSegment = 0 },                           // TONE_CDMA_LOW_PBX_SSL
547         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
548                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 0 },
549                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
550                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
551                         { .duration = 25, .waveFreq = { 4000, 0 }, 15, 3 },
552                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
553                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
554                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 6 },
555                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
556                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
557           .repeatCnt = ToneGenerator::TONEGEN_INF,
558           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_PBX_SLS
559         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
560                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 0 },
561                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
562                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
563                         { .duration = 25, .waveFreq = { 2900, 0 }, 15, 3 },
564                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
565                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
566                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 6 },
567                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
568                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
569           .repeatCnt = ToneGenerator::TONEGEN_INF,
570           .repeatSegment = 0 },                           // TONE_CDMA_MED_PBX_SLS
571         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
572                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 0 },
573                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
574                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
575                         { .duration = 25, .waveFreq = { 1450, 0 }, 15, 3 },
576                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
577                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
578                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 6 },
579                         { .duration = 1000, .waveFreq = { 0 }, 0, 0 },
580                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
581            .repeatCnt = ToneGenerator::TONEGEN_INF,
582           .repeatSegment = 0 },                           // TONE_CDMA_LOW_PBX_SLS
583         { .segments = { { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
584                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 0 },
585                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
586                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
587                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 3 },
588                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
589                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
590                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 6 },
591                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
592                         { .duration = 25, .waveFreq = { 3700, 0 }, 0, 0 },
593                         { .duration = 25, .waveFreq = { 4000, 0 }, 7, 9 },
594                         { .duration = 800, .waveFreq = { 0 }, 0, 0 },
595                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
596           .repeatCnt = ToneGenerator::TONEGEN_INF,
597           .repeatSegment = 0 },                           // TONE_CDMA_HIGH_PBX_S_X4
598         { .segments = { { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
599                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 0 },
600                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
601                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
602                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 3 },
603                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
604                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
605                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 6 },
606                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
607                         { .duration = 25, .waveFreq = { 2600, 0 }, 0, 0 },
608                         { .duration = 25, .waveFreq = { 2900, 0 }, 7, 9 },
609                         { .duration = 800, .waveFreq = { 0 }, 0, 0 },
610                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
611           .repeatCnt = ToneGenerator::TONEGEN_INF,
612           .repeatSegment = 0 },                           // TONE_CDMA_MED_PBX_S_X4
613         { .segments = { { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
614                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 0 },
615                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
616                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
617                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 3 },
618                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
619                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
620                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 6 },
621                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
622                         { .duration = 25, .waveFreq = { 1300, 0 }, 0, 0 },
623                         { .duration = 25, .waveFreq = { 1450, 0 }, 7, 9 },
624                         { .duration = 800, .waveFreq = { 0 }, 0, 0 },
625                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
626           .repeatCnt = ToneGenerator::TONEGEN_INF,
627           .repeatSegment = 0 },                           // TONE_CDMA_LOW_PBX_S_X4
628 
629         { .segments = { { .duration = 62, .waveFreq = { 1109, 0 }, 0, 0 },
630                         { .duration = 62, .waveFreq = { 784, 0 },  0, 0 },
631                         { .duration = 62, .waveFreq = { 740, 0 },  0, 0 },
632                         { .duration = 62, .waveFreq = { 622, 0 },  0, 0 },
633                         { .duration = 62, .waveFreq = { 1109, 0 }, 0, 0 },
634                         { .duration = 0,  .waveFreq = { 0 },       0, 0 } },
635           .repeatCnt = 0,
636           .repeatSegment = 0 },                            // TONE_CDMA_ALERT_NETWORK_LITE
637         { .segments = { { .duration = 62, .waveFreq = { 1245, 0 }, 0, 0 },
638                         { .duration = 62, .waveFreq = { 659, 0 },  2, 0 },
639                         { .duration = 62, .waveFreq = { 1245, 0 }, 0, 0 },
640                         { .duration = 0,  .waveFreq = { 0 },       0, 0 } },
641           .repeatCnt = 0,
642           .repeatSegment = 0 },                            // TONE_CDMA_ALERT_AUTOREDIAL_LITE
643         { .segments = { { .duration = 400, .waveFreq = { 1150, 770, 0 }, 0, 0 },
644                         { .duration = 0,   .waveFreq = { 0 },            0, 0 } },
645           .repeatCnt = 0,
646           .repeatSegment = 0 },                            // TONE_CDMA_ONE_MIN_BEEP
647         { .segments = { { .duration = 120, .waveFreq = { 941, 1477, 0 }, 0, 0 },
648                         { .duration = 0,   .waveFreq = { 0 },            0, 0 } },
649           .repeatCnt = 0,
650           .repeatSegment = 0 },                            // TONE_CDMA_KEYPAD_VOLUME_KEY_LITE
651         { .segments = { { .duration = 375, .waveFreq = { 587, 0 }, 0, 0 },
652                         { .duration = 125, .waveFreq = { 1175, 0 }, 0, 0 },
653                         { .duration = 0,   .waveFreq = { 0 },       0, 0 } },
654           .repeatCnt = 0,
655           .repeatSegment = 0 },                            // TONE_CDMA_PRESSHOLDKEY_LITE
656         { .segments = { { .duration = 62, .waveFreq = { 587, 0 }, 0, 0 },
657                         { .duration = 62, .waveFreq = { 784, 0 }, 0, 0 },
658                         { .duration = 62, .waveFreq = { 831, 0 }, 0, 0 },
659                         { .duration = 62, .waveFreq = { 784, 0 }, 0, 0 },
660                         { .duration = 62, .waveFreq = { 1109, 0 }, 0, 0 },
661                         { .duration = 62, .waveFreq = { 784, 0 }, 0, 0 },
662                         { .duration = 62, .waveFreq = { 831, 0 }, 0, 0 },
663                         { .duration = 62, .waveFreq = { 784, 0 }, 0, 0 },
664                         { .duration = 0,  .waveFreq = { 0 },      0, 0 } },
665           .repeatCnt = 0,
666           .repeatSegment = 0 },                             // TONE_CDMA_ALERT_INCALL_LITE
667         { .segments = { { .duration = 125, .waveFreq = { 941, 0 }, 0, 0 },
668                         { .duration = 10,  .waveFreq = { 0 },      2, 0 },
669                         { .duration = 4990, .waveFreq = { 0 },     0, 0 },
670                         { .duration = 0,    .waveFreq = { 0 },     0, 0 } },
671           .repeatCnt = ToneGenerator::TONEGEN_INF,
672           .repeatSegment = 0 },                            // TONE_CDMA_EMERGENCY_RINGBACK
673         { .segments = { { .duration = 125, .waveFreq = { 1319, 0 }, 0, 0 },
674                         { .duration = 125, .waveFreq = { 0 },       0, 0 },
675                         { .duration = 0,   .waveFreq = { 0 },       0, 0 } },
676           .repeatCnt = 2,
677           .repeatSegment = 0 },                            // TONE_CDMA_ALERT_CALL_GUARD
678         { .segments = { { .duration = 125, .waveFreq = { 1047, 0 }, 0, 0 },
679                         { .duration = 125, .waveFreq = { 370,  0 }, 0, 0 },
680                         { .duration = 0,   .waveFreq = { 0 },       0, 0 } },
681           .repeatCnt = 0,
682           .repeatSegment = 0 },                            // TONE_CDMA_SOFT_ERROR_LITE
683         { .segments = { { .duration = 125, .waveFreq = { 1480, 0 }, 0, 0 },
684                         { .duration = 125, .waveFreq = { 1397, 0 }, 0, 0 },
685                         { .duration = 125, .waveFreq = { 784, 0 },  0, 0 },
686                         { .duration = 0,   .waveFreq = { 0 },       0, 0 } },
687           .repeatCnt = 0,
688           .repeatSegment = 0 },                            // TONE_CDMA_CALLDROP_LITE
689 
690         { .segments = { { .duration = 500, .waveFreq = { 425, 0 }, 0, 0 },
691                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
692                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
693           .repeatCnt = 0,
694           .repeatSegment = 0 },                           // TONE_CDMA_NETWORK_BUSY_ONE_SHOT
695         { .segments = { { .duration = 400, .waveFreq = { 1150, 770 }, 0, 0 },
696                         { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
697           .repeatCnt = 0,
698           .repeatSegment = 0 },                           // TONE_CDMA_ABBR_ALERT
699           { .segments = { { .duration = 0, .waveFreq = { 0 }, 0, 0 }},
700           .repeatCnt = 0,
701           .repeatSegment = 0 },                            // TONE_CDMA_SIGNAL_OFF
702 
703         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 350, 440, 0 }, 0, 0 },
704                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
705           .repeatCnt = ToneGenerator::TONEGEN_INF,
706           .repeatSegment = 0 },                              // TONE_ANSI_DIAL
707         { .segments = { { .duration = 500, .waveFreq = { 480, 620, 0 }, 0, 0 },
708                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
709                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
710           .repeatCnt = ToneGenerator::TONEGEN_INF,
711           .repeatSegment = 0 },                              // TONE_ANSI_BUSY
712         { .segments = { { .duration = 250, .waveFreq = { 480, 620, 0 }, 0, 0 },
713                         { .duration = 250, .waveFreq = { 0 }, 0, 0 },
714                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
715           .repeatCnt = ToneGenerator::TONEGEN_INF,
716           .repeatSegment = 0 },                              // TONE_ANSI_CONGESTION
717         { .segments = { { .duration = 300, .waveFreq = { 440, 0 }, 0, 0 },
718                         { .duration = 9700, .waveFreq = { 0 }, 0, 0 },
719                         { .duration = 100, .waveFreq = { 440, 0 }, 0, 0 },
720                         { .duration = 100, .waveFreq = { 0 }, 0, 0 },
721                         { .duration = 100, .waveFreq = { 440, 0 }, 0, 0 },
722                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
723           .repeatCnt = ToneGenerator::TONEGEN_INF,
724           .repeatSegment = 1 },                              // TONE_ANSI_CALL_WAITING
725         { .segments = { { .duration = 2000, .waveFreq = { 440, 480, 0 }, 0, 0 },
726                         { .duration = 4000, .waveFreq = { 0 }, 0, 0 },
727                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
728           .repeatCnt = ToneGenerator::TONEGEN_INF,
729           .repeatSegment = 0 },                              // TONE_ANSI_RINGTONE
730         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 400, 0 }, 0, 0 },
731                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
732           .repeatCnt = ToneGenerator::TONEGEN_INF,
733           .repeatSegment = 0 },                              // TONE_JAPAN_DIAL
734         { .segments = { { .duration = 500, .waveFreq = { 400, 0 }, 0, 0 },
735                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
736                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
737           .repeatCnt = ToneGenerator::TONEGEN_INF,
738           .repeatSegment = 0 },                              // TONE_JAPAN_BUSY
739         { .segments = { { .duration = 1000, .waveFreq = { 400, 0 }, 0, 0 },
740                         { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
741                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
742           .repeatCnt = ToneGenerator::TONEGEN_INF,
743           .repeatSegment = 0 },                              // TONE_JAPAN_RADIO_ACK
744         { .segments = { { .duration = 375, .waveFreq = { 400, 0 }, 0, 0 },
745                         { .duration = 375, .waveFreq = { 0 }, 0, 0 },
746                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
747           .repeatCnt = ToneGenerator::TONEGEN_INF,
748           .repeatSegment = 0 },                              // TONE_GB_BUSY
749         { .segments = { { .duration = 400, .waveFreq = { 400, 0 }, 0, 0 },
750                         { .duration = 350, .waveFreq = { 0 }, 0, 0 },
751                         { .duration = 225, .waveFreq = { 400, 0 }, 0, 0 },
752                         { .duration = 525, .waveFreq = { 0 }, 0, 0 },
753                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
754           .repeatCnt = ToneGenerator::TONEGEN_INF,
755           .repeatSegment = 0 },                              // TONE_GB_CONGESTION
756         { .segments = { { .duration = 400, .waveFreq = { 400, 450, 0 }, 0, 0 },
757                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
758                         { .duration = 400, .waveFreq = { 400, 450, 0 }, 0, 0 },
759                         { .duration = 2000, .waveFreq = { 0 }, 0, 0},
760                         { .duration = 0, .waveFreq = { 0 }, 0, 0}},
761           .repeatCnt = ToneGenerator::TONEGEN_INF,
762           .repeatSegment = 0 },                              // TONE_GB_RINGTONE
763         { .segments = { { .duration = ToneGenerator::TONEGEN_INF, .waveFreq = { 400, 425, 450, 0 }, 0, 0 },
764                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
765           .repeatCnt = ToneGenerator::TONEGEN_INF,
766           .repeatSegment = 0 },                              // TONE_AUSTRALIA_DIAL
767         { .segments = { { .duration = 400, .waveFreq = { 400, 450, 0 }, 0, 0 },
768                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
769                         { .duration = 400, .waveFreq = { 400, 450, 0 }, 0, 0 },
770                         { .duration = 2000, .waveFreq = { 0 }, 0, 0},
771                         { .duration = 0, .waveFreq = { 0 }, 0, 0}},
772           .repeatCnt = ToneGenerator::TONEGEN_INF,
773           .repeatSegment = 0 },                              // TONE_AUSTRALIA_RINGTONE
774         { .segments = { { .duration = 375, .waveFreq = { 425, 0 }, 0, 0 },
775                         { .duration = 375, .waveFreq = { 0 }, 0, 0 },
776                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
777           .repeatCnt = ToneGenerator::TONEGEN_INF,
778           .repeatSegment = 0 },                              // TONE_AUSTRALIA_BUSY
779         { .segments = { { .duration = 200, .waveFreq = { 425, 0 }, 0, 0 },
780                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
781                         { .duration = 200, .waveFreq = { 425, 0 }, 0, 0 },
782                         { .duration = 4400, .waveFreq = { 0 }, 0, 0 },
783                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
784           .repeatCnt = ToneGenerator::TONEGEN_INF,
785           .repeatSegment = 0 },                              // TONE_AUSTRALIA_CALL_WAITING
786         { .segments = { { .duration = 375, .waveFreq = { 425, 0 }, 0, 0 },
787                         { .duration = 375, .waveFreq = { 0 }, 0, 0 },
788                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
789           .repeatCnt = ToneGenerator::TONEGEN_INF,
790           .repeatSegment = 0 },                              // TONE_AUSTRALIA_CONGESTION
791         { .segments = { { .duration = 750, .waveFreq = { 425, 0 }, 0, 0 },
792                         { .duration = 750, .waveFreq = { 0 }, 0, 0 },
793                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
794           .repeatCnt = ToneGenerator::TONEGEN_INF,
795           .repeatSegment = 0 },                              // TONE_SG_BUSY
796         { .segments = { { .duration = 400, .waveFreq = { 401, 425, 449, 0 }, 0, 0 },
797                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
798                         { .duration = 400, .waveFreq = { 401, 425, 449, 0 }, 0, 0 },
799                         { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
800                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
801           .repeatCnt = ToneGenerator::TONEGEN_INF,
802           .repeatSegment = 0 },                              // TONE_SG_RINGTONE
803         { .segments = { { .duration = 500, .waveFreq = { 480, 620, 0 }, 0, 0 },
804                         { .duration = 500, .waveFreq = { 0 }, 0, 0 },
805                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
806           .repeatCnt = ToneGenerator::TONEGEN_INF,
807           .repeatSegment = 0 },                              // TONE_HK_BUSY
808         { .segments = { { .duration = 400, .waveFreq = { 440, 480, 0 }, 0, 0 },
809                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
810                         { .duration = 400, .waveFreq = { 440, 480, 0 }, 0, 0 },
811                         { .duration = 3000, .waveFreq = { 0 }, 0, 0 },
812                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
813           .repeatCnt = ToneGenerator::TONEGEN_INF,
814           .repeatSegment = 0 },                              // TONE_HK_RINGTONE
815         { .segments = { { .duration = 400, .waveFreq = { 400, 450, 0 }, 0, 0 },
816                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
817                         { .duration = 400, .waveFreq = { 400, 450, 0 }, 0, 0 },
818                         { .duration = 2000, .waveFreq = { 0 }, 0, 0},
819                         { .duration = 0, .waveFreq = { 0 }, 0, 0}},
820           .repeatCnt = ToneGenerator::TONEGEN_INF,
821           .repeatSegment = 0 },                              // TONE_IE_RINGTONE
822         { .segments = { { .duration = 180, .waveFreq = { 425, 0 }, 0, 0 },
823                         { .duration = 200, .waveFreq = { 0 }, 0, 0 },
824                         { .duration = 200, .waveFreq = { 425, 0 }, 0, 0 },
825                         { .duration = 4500, .waveFreq = { 0 }, 0, 0 },
826                         { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
827           .repeatCnt = ToneGenerator::TONEGEN_INF,
828           .repeatSegment = 0 },                              // TONE_IE_CALL_WAITING
829 };
830 
831 // Used by ToneGenerator::getToneForRegion() to convert user specified supervisory tone type
832 // to actual tone for current region.
833 const unsigned char /*tone_type*/ ToneGenerator::sToneMappingTable[NUM_REGIONS-1][NUM_SUP_TONES] = {
834         {   // ANSI
835             TONE_ANSI_DIAL,             // TONE_SUP_DIAL
836             TONE_ANSI_BUSY,             // TONE_SUP_BUSY
837             TONE_ANSI_CONGESTION,       // TONE_SUP_CONGESTION
838             TONE_SUP_RADIO_ACK,         // TONE_SUP_RADIO_ACK
839             TONE_SUP_RADIO_NOTAVAIL,    // TONE_SUP_RADIO_NOTAVAIL
840             TONE_SUP_ERROR,             // TONE_SUP_ERROR
841             TONE_ANSI_CALL_WAITING,     // TONE_SUP_CALL_WAITING
842             TONE_ANSI_RINGTONE          // TONE_SUP_RINGTONE
843         },
844         {   // JAPAN
845             TONE_JAPAN_DIAL,             // TONE_SUP_DIAL
846             TONE_JAPAN_BUSY,             // TONE_SUP_BUSY
847             TONE_SUP_CONGESTION,         // TONE_SUP_CONGESTION
848             TONE_JAPAN_RADIO_ACK,        // TONE_SUP_RADIO_ACK
849             TONE_SUP_RADIO_NOTAVAIL,     // TONE_SUP_RADIO_NOTAVAIL
850             TONE_SUP_ERROR,              // TONE_SUP_ERROR
851             TONE_SUP_CALL_WAITING,       // TONE_SUP_CALL_WAITING
852             TONE_SUP_RINGTONE            // TONE_SUP_RINGTONE
853         },
854         {   // GB
855             TONE_ANSI_DIAL,              // TONE_SUP_DIAL
856             TONE_GB_BUSY,                // TONE_SUP_BUSY
857             TONE_GB_CONGESTION,          // TONE_SUP_CONGESTION
858             TONE_SUP_RADIO_ACK,          // TONE_SUP_RADIO_ACK
859             TONE_SUP_RADIO_NOTAVAIL,     // TONE_SUP_RADIO_NOTAVAIL
860             TONE_SUP_ERROR,              // TONE_SUP_ERROR
861             TONE_SUP_CALL_WAITING,       // TONE_SUP_CALL_WAITING
862             TONE_GB_RINGTONE             // TONE_SUP_RINGTONE
863         },
864         {   // AUSTRALIA
865             TONE_AUSTRALIA_DIAL,        // TONE_SUP_DIAL
866             TONE_AUSTRALIA_BUSY,        // TONE_SUP_BUSY
867             TONE_AUSTRALIA_CONGESTION,  // TONE_SUP_CONGESTION
868             TONE_SUP_RADIO_ACK,         // TONE_SUP_RADIO_ACK
869             TONE_SUP_RADIO_NOTAVAIL,    // TONE_SUP_RADIO_NOTAVAIL
870             TONE_SUP_ERROR,             // TONE_SUP_ERROR
871             TONE_AUSTRALIA_CALL_WAITING,// TONE_SUP_CALL_WAITING
872             TONE_AUSTRALIA_RINGTONE     // TONE_SUP_RINGTONE
873         },
874         {   // SINGAPORE
875             TONE_SUP_DIAL,               // TONE_SUP_DIAL
876             TONE_SG_BUSY,                // TONE_SUP_BUSY
877             TONE_SUP_CONGESTION,         // TONE_SUP_CONGESTION
878             TONE_SUP_RADIO_ACK,          // TONE_SUP_RADIO_ACK
879             TONE_SUP_RADIO_NOTAVAIL,     // TONE_SUP_RADIO_NOTAVAIL
880             TONE_SUP_ERROR,              // TONE_SUP_ERROR
881             TONE_SUP_CALL_WAITING,       // TONE_SUP_CALL_WAITING
882             TONE_SG_RINGTONE             // TONE_SUP_RINGTONE
883         },
884         {   // HONGKONG
885             TONE_SUP_DIAL,               // TONE_SUP_DIAL
886             TONE_HK_BUSY,                // TONE_SUP_BUSY
887             TONE_SUP_CONGESTION,         // TONE_SUP_CONGESTION
888             TONE_SUP_RADIO_ACK,          // TONE_SUP_RADIO_ACK
889             TONE_SUP_RADIO_NOTAVAIL,     // TONE_SUP_RADIO_NOTAVAIL
890             TONE_SUP_ERROR,              // TONE_SUP_ERROR
891             TONE_SUP_CALL_WAITING,       // TONE_SUP_CALL_WAITING
892             TONE_HK_RINGTONE             // TONE_SUP_RINGTONE
893         },
894         {   // IRELAND
895             TONE_SUP_DIAL,               // TONE_SUP_DIAL
896             TONE_SUP_BUSY,               // TONE_SUP_BUSY
897             TONE_SUP_CONGESTION,         // TONE_SUP_CONGESTION
898             TONE_SUP_RADIO_ACK,          // TONE_SUP_RADIO_ACK
899             TONE_SUP_RADIO_NOTAVAIL,     // TONE_SUP_RADIO_NOTAVAIL
900             TONE_SUP_ERROR,              // TONE_SUP_ERROR
901             TONE_IE_CALL_WAITING,        // TONE_SUP_CALL_WAITING
902             TONE_IE_RINGTONE             // TONE_SUP_RINGTONE
903         }
904 };
905 
906 
907 ////////////////////////////////////////////////////////////////////////////////
908 //                           ToneGenerator class Implementation
909 ////////////////////////////////////////////////////////////////////////////////
910 
911 
912 //---------------------------------- public methods ----------------------------
913 
914 
915 ////////////////////////////////////////////////////////////////////////////////
916 //
917 //    Method:        ToneGenerator::ToneGenerator()
918 //
919 //    Description:    Constructor. Initializes the tone sequencer, intantiates required sine wave
920 //        generators, instantiates output audio track.
921 //
922 //    Input:
923 //        streamType:        Type of stream used for tone playback
924 //        volume:            volume applied to tone (0.0 to 1.0)
925 //
926 //    Output:
927 //        none
928 //
929 ////////////////////////////////////////////////////////////////////////////////
ToneGenerator(audio_stream_type_t streamType,float volume,bool threadCanCallJava)930 ToneGenerator::ToneGenerator(audio_stream_type_t streamType, float volume, bool threadCanCallJava) {
931 
932     ALOGV("ToneGenerator constructor: streamType=%d, volume=%f", streamType, volume);
933 
934     mState = TONE_IDLE;
935 
936     if (AudioSystem::getOutputSamplingRate(&mSamplingRate, streamType) != NO_ERROR) {
937         ALOGE("Unable to marshal AudioFlinger");
938         return;
939     }
940     mThreadCanCallJava = threadCanCallJava;
941     mStreamType = streamType;
942     mVolume = volume;
943     mpToneDesc = NULL;
944     mpNewToneDesc = NULL;
945     // Generate tone by chunks of 20 ms to keep cadencing precision
946     mProcessSize = (mSamplingRate * 20) / 1000;
947 
948     char value[PROPERTY_VALUE_MAX];
949     if (property_get("gsm.operator.iso-country", value, "") == 0) {
950         property_get("gsm.sim.operator.iso-country", value, "");
951     }
952     // If dual sim device has two SIM cards inserted and is not registerd to any network,
953     // "," is set to "gsm.operator.iso-country" prop.
954     // In this case, "gsm.sim.operator.iso-country" prop should be used.
955     if (strlen(value) == 1 && strstr(value, ",") != NULL) {
956         property_get("gsm.sim.operator.iso-country", value, "");
957     }
958 
959     if (strstr(value, "us") != NULL ||
960         strstr(value, "ca") != NULL) {
961         mRegion = ANSI;
962     } else if (strstr(value, "jp") != NULL) {
963         mRegion = JAPAN;
964     } else if (strstr(value, "gb") != NULL) {
965         mRegion = GB;
966     } else if (strstr(value, "au") != NULL) {
967         mRegion = AUSTRALIA;
968     } else if (strstr(value, "sg") != NULL) {
969         mRegion = SINGAPORE;
970     } else if (strstr(value, "hk") != NULL) {
971         mRegion = HONGKONG;
972     } else if (strstr(value, "ie") != NULL) {
973         mRegion = IRELAND;
974     } else {
975         mRegion = CEPT;
976     }
977 
978     if (initAudioTrack()) {
979         ALOGV("ToneGenerator INIT OK, time: %d", (unsigned int)(systemTime()/1000000));
980     } else {
981         ALOGV("!!!ToneGenerator INIT FAILED!!!");
982     }
983 }
984 
985 
986 
987 
988 ////////////////////////////////////////////////////////////////////////////////
989 //
990 //    Method:        ToneGenerator::~ToneGenerator()
991 //
992 //    Description:    Destructor. Stop sound playback and delete audio track if
993 //      needed and delete sine wave generators.
994 //
995 //    Input:
996 //        none
997 //
998 //    Output:
999 //        none
1000 //
1001 ////////////////////////////////////////////////////////////////////////////////
~ToneGenerator()1002 ToneGenerator::~ToneGenerator() {
1003     ALOGV("ToneGenerator destructor");
1004 
1005     if (mpAudioTrack != 0) {
1006         stopTone();
1007         ALOGV("Delete Track: %p", mpAudioTrack.get());
1008         mpAudioTrack.clear();
1009     }
1010     clearWaveGens();
1011 }
1012 
1013 ////////////////////////////////////////////////////////////////////////////////
1014 //
1015 //    Method:        ToneGenerator::startTone()
1016 //
1017 //    Description:    Starts tone playback.
1018 //
1019 //    Input:
1020 //        toneType:        Type of tone generated (values in enum tone_type)
1021 //        durationMs:      The tone duration in milliseconds. If the tone is limited in time by definition,
1022 //              the actual duration will be the minimum of durationMs and the defined tone duration.
1023 //              Ommiting or setting durationMs to -1 does not limit tone duration.
1024 //
1025 //    Output:
1026 //        none
1027 //
1028 ////////////////////////////////////////////////////////////////////////////////
startTone(tone_type toneType,int durationMs)1029 bool ToneGenerator::startTone(tone_type toneType, int durationMs) {
1030     bool lResult = false;
1031     status_t lStatus;
1032 
1033     if (toneType >= NUM_TONES)
1034         return lResult;
1035 
1036     toneType = getToneForRegion(toneType);
1037     if (toneType == TONE_CDMA_SIGNAL_OFF) {
1038         return true;
1039     }
1040 
1041     if (mState == TONE_IDLE) {
1042         ALOGV("startTone: try to re-init AudioTrack");
1043         if (!initAudioTrack()) {
1044             return lResult;
1045         }
1046     }
1047 
1048     ALOGV("startTone toneType %d", toneType);
1049 
1050     mLock.lock();
1051 
1052     // Get descriptor for requested tone
1053     mpNewToneDesc = &sToneDescriptors[toneType];
1054 
1055     mDurationMs = durationMs;
1056 
1057     if (mState == TONE_STOPPED) {
1058         ALOGV("Start waiting for previous tone to stop");
1059         lStatus = mWaitCbkCond.waitRelative(mLock, seconds(3));
1060         if (lStatus != NO_ERROR) {
1061             ALOGE("--- start wait for stop timed out, status %d", lStatus);
1062             mState = TONE_IDLE;
1063             mLock.unlock();
1064             return lResult;
1065         }
1066     }
1067 
1068     if (mState == TONE_INIT) {
1069         if (prepareWave()) {
1070             ALOGV("Immediate start, time %d", (unsigned int)(systemTime()/1000000));
1071             lResult = true;
1072             mState = TONE_STARTING;
1073             if (clock_gettime(CLOCK_MONOTONIC, &mStartTime) != 0) {
1074                 mStartTime.tv_sec = 0;
1075             }
1076             mLock.unlock();
1077             mpAudioTrack->start();
1078             mLock.lock();
1079             if (mState == TONE_STARTING) {
1080                 ALOGV("Wait for start callback");
1081                 lStatus = mWaitCbkCond.waitRelative(mLock, seconds(3));
1082                 if (lStatus != NO_ERROR) {
1083                     ALOGE("--- Immediate start timed out, status %d", lStatus);
1084                     mState = TONE_IDLE;
1085                     lResult = false;
1086                 }
1087             }
1088         } else {
1089             mState = TONE_IDLE;
1090         }
1091     } else {
1092         ALOGV("Delayed start");
1093         mState = TONE_RESTARTING;
1094         mStartTime.tv_sec = 0;
1095         lStatus = mWaitCbkCond.waitRelative(mLock, seconds(3));
1096         if (lStatus == NO_ERROR) {
1097             if (mState != TONE_IDLE) {
1098                 lResult = true;
1099             }
1100             ALOGV("cond received");
1101         } else {
1102             ALOGE("--- Delayed start timed out, status %d", lStatus);
1103             mState = TONE_IDLE;
1104         }
1105     }
1106     mLock.unlock();
1107 
1108     ALOGV_IF(lResult, "Tone started, time %d", (unsigned int)(systemTime()/1000000));
1109     ALOGW_IF(!lResult, "Tone start failed!!!, time %d", (unsigned int)(systemTime()/1000000));
1110 
1111     return lResult;
1112 }
1113 
1114 ////////////////////////////////////////////////////////////////////////////////
1115 //
1116 //    Method:        ToneGenerator::stopTone()
1117 //
1118 //    Description:    Stops tone playback.
1119 //
1120 //    Input:
1121 //        none
1122 //
1123 //    Output:
1124 //        none
1125 //
1126 ////////////////////////////////////////////////////////////////////////////////
stopTone()1127 void ToneGenerator::stopTone() {
1128     ALOGV("stopTone");
1129 
1130     mLock.lock();
1131     if (mState != TONE_IDLE && mState != TONE_INIT) {
1132         if (mState == TONE_PLAYING || mState == TONE_STARTING || mState == TONE_RESTARTING) {
1133             struct timespec stopTime;
1134             // If the start time is valid, make sure that the number of audio samples produced
1135             // corresponds at least to the time between the start and stop commands.
1136             // This is needed in case of cold start of the output stream.
1137             if ((mStartTime.tv_sec != 0) && (clock_gettime(CLOCK_MONOTONIC, &stopTime) == 0)) {
1138                 time_t sec = stopTime.tv_sec - mStartTime.tv_sec;
1139                 long nsec = stopTime.tv_nsec - mStartTime.tv_nsec;
1140                 if (nsec < 0) {
1141                     --sec;
1142                     nsec += 1000000000;
1143                 }
1144 
1145                 if ((sec + 1) > ((long)(INT_MAX / mSamplingRate))) {
1146                     mMaxSmp = sec * mSamplingRate;
1147                 } else {
1148                     // mSamplingRate is always > 1000
1149                     sec = sec * 1000 + nsec / 1000000; // duration in milliseconds
1150                     mMaxSmp = (unsigned int)(((int64_t)sec * mSamplingRate) / 1000);
1151                 }
1152                 ALOGV("stopTone() forcing mMaxSmp to %d, total for far %d", mMaxSmp,  mTotalSmp);
1153             } else {
1154                 mState = TONE_STOPPING;
1155             }
1156         }
1157         ALOGV("waiting cond");
1158         status_t lStatus = mWaitCbkCond.waitRelative(mLock, seconds(3));
1159         if (lStatus == NO_ERROR) {
1160             // If the tone was restarted exit now before calling clearWaveGens();
1161             if (mState != TONE_INIT) {
1162                 mLock.unlock();
1163                 return;
1164             }
1165             ALOGV("track stop complete, time %d", (unsigned int)(systemTime()/1000000));
1166         } else {
1167             ALOGE("--- Stop timed out");
1168             mState = TONE_IDLE;
1169             mpAudioTrack->stop();
1170         }
1171         clearWaveGens();
1172     }
1173 
1174     mLock.unlock();
1175 }
1176 
1177 //---------------------------------- private methods ---------------------------
1178 
1179 
1180 
1181 
1182 ////////////////////////////////////////////////////////////////////////////////
1183 //
1184 //    Method:        ToneGenerator::initAudioTrack()
1185 //
1186 //    Description:    Allocates and configures AudioTrack used for PCM output.
1187 //
1188 //    Input:
1189 //        none
1190 //
1191 //    Output:
1192 //        none
1193 //
1194 ////////////////////////////////////////////////////////////////////////////////
initAudioTrack()1195 bool ToneGenerator::initAudioTrack() {
1196     // Open audio track in mono, PCM 16bit, default sampling rate.
1197     mpAudioTrack = new AudioTrack();
1198     ALOGV("AudioTrack(%p) created", mpAudioTrack.get());
1199 
1200     audio_attributes_t attr;
1201     audio_stream_type_t streamType = mStreamType;
1202     if (mStreamType == AUDIO_STREAM_VOICE_CALL) {
1203         streamType = AUDIO_STREAM_DTMF;
1204     }
1205     stream_type_to_audio_attributes(streamType, &attr);
1206 
1207     const size_t frameCount = mProcessSize;
1208     status_t status = mpAudioTrack->set(
1209             AUDIO_STREAM_DEFAULT,
1210             0,    // sampleRate
1211             AUDIO_FORMAT_PCM_16_BIT,
1212             AUDIO_CHANNEL_OUT_MONO,
1213             frameCount,
1214             AUDIO_OUTPUT_FLAG_FAST,
1215             audioCallback,
1216             this, // user
1217             0,    // notificationFrames
1218             0,    // sharedBuffer
1219             mThreadCanCallJava,
1220             AUDIO_SESSION_ALLOCATE,
1221             AudioTrack::TRANSFER_CALLBACK,
1222             nullptr,
1223             AUDIO_UID_INVALID,
1224             -1,
1225             &attr);
1226 
1227     if (status != NO_ERROR) {
1228         ALOGE("AudioTrack(%p) set failed with error %d", mpAudioTrack.get(), status);
1229         mpAudioTrack.clear();
1230         return false;
1231     }
1232 
1233     mpAudioTrack->setVolume(mVolume);
1234     mState = TONE_INIT;
1235     return true;
1236 }
1237 
1238 ////////////////////////////////////////////////////////////////////////////////
1239 //
1240 //    Method:        ToneGenerator::audioCallback()
1241 //
1242 //    Description:    AudioTrack callback implementation. Generates a block of
1243 //        PCM samples
1244 //        and manages tone generator sequencer: tones pulses, tone duration...
1245 //
1246 //    Input:
1247 //        user    reference (pointer to our ToneGenerator)
1248 //        info    audio buffer descriptor
1249 //
1250 //    Output:
1251 //        returned value: always true.
1252 //
1253 ////////////////////////////////////////////////////////////////////////////////
audioCallback(int event,void * user,void * info)1254 void ToneGenerator::audioCallback(int event, void* user, void *info) {
1255 
1256     if (event != AudioTrack::EVENT_MORE_DATA) return;
1257 
1258     AudioTrack::Buffer *buffer = static_cast<AudioTrack::Buffer *>(info);
1259     ToneGenerator *lpToneGen = static_cast<ToneGenerator *>(user);
1260     short *lpOut = buffer->i16;
1261     unsigned int lNumSmp = buffer->size/sizeof(short);
1262     const ToneDescriptor *lpToneDesc = lpToneGen->mpToneDesc;
1263 
1264     if (buffer->size == 0) return;
1265 
1266 
1267     // Clear output buffer: WaveGenerator accumulates into lpOut buffer
1268     memset(lpOut, 0, buffer->size);
1269 
1270     while (lNumSmp) {
1271         unsigned int lReqSmp = lNumSmp < lpToneGen->mProcessSize*2 ? lNumSmp : lpToneGen->mProcessSize;
1272         unsigned int lGenSmp;
1273         unsigned int lWaveCmd = WaveGenerator::WAVEGEN_CONT;
1274         bool lSignal = false;
1275 
1276         lpToneGen->mLock.lock();
1277 
1278 
1279         // Update pcm frame count and end time (current time at the end of this process)
1280         lpToneGen->mTotalSmp += lReqSmp;
1281 
1282         // Update tone gen state machine and select wave gen command
1283         switch (lpToneGen->mState) {
1284         case TONE_PLAYING:
1285             lWaveCmd = WaveGenerator::WAVEGEN_CONT;
1286             break;
1287         case TONE_STARTING:
1288             ALOGV("Starting Cbk");
1289 
1290             lWaveCmd = WaveGenerator::WAVEGEN_START;
1291             break;
1292         case TONE_STOPPING:
1293         case TONE_RESTARTING:
1294             ALOGV("Stop/restart Cbk");
1295 
1296             lWaveCmd = WaveGenerator::WAVEGEN_STOP;
1297             lpToneGen->mNextSegSmp = TONEGEN_INF; // forced to skip state machine management below
1298             break;
1299         case TONE_STOPPED:
1300             ALOGV("Stopped Cbk");
1301             goto audioCallback_EndLoop;
1302         default:
1303             ALOGV("Extra Cbk");
1304             goto audioCallback_EndLoop;
1305         }
1306 
1307         // Exit if tone sequence is over
1308         if (lpToneDesc->segments[lpToneGen->mCurSegment].duration == 0 ||
1309             lpToneGen->mTotalSmp > lpToneGen->mMaxSmp) {
1310             if (lpToneGen->mState == TONE_PLAYING) {
1311                 lpToneGen->mState = TONE_STOPPING;
1312             }
1313             if (lpToneDesc->segments[lpToneGen->mCurSegment].duration == 0) {
1314                 goto audioCallback_EndLoop;
1315             }
1316             // fade out before stopping if maximum duration reached
1317             lWaveCmd = WaveGenerator::WAVEGEN_STOP;
1318             lpToneGen->mNextSegSmp = TONEGEN_INF; // forced to skip state machine management below
1319         }
1320 
1321         if (lpToneGen->mTotalSmp > lpToneGen->mNextSegSmp) {
1322             // Time to go to next sequence segment
1323 
1324             ALOGV("End Segment, time: %d", (unsigned int)(systemTime()/1000000));
1325 
1326             lGenSmp = lReqSmp;
1327 
1328             // If segment,  ON -> OFF transition : ramp volume down
1329             if (lpToneDesc->segments[lpToneGen->mCurSegment].waveFreq[0] != 0) {
1330                 lWaveCmd = WaveGenerator::WAVEGEN_STOP;
1331                 unsigned int lFreqIdx = 0;
1332                 unsigned short lFrequency = lpToneDesc->segments[lpToneGen->mCurSegment].waveFreq[lFreqIdx];
1333 
1334                 while (lFrequency != 0) {
1335                     WaveGenerator *lpWaveGen = lpToneGen->mWaveGens.valueFor(lFrequency);
1336                     lpWaveGen->getSamples(lpOut, lGenSmp, lWaveCmd);
1337                     lFrequency = lpToneDesc->segments[lpToneGen->mCurSegment].waveFreq[++lFreqIdx];
1338                 }
1339                 ALOGV("ON->OFF, lGenSmp: %d, lReqSmp: %d", lGenSmp, lReqSmp);
1340             }
1341 
1342             // check if we need to loop and loop for the reqd times
1343             if (lpToneDesc->segments[lpToneGen->mCurSegment].loopCnt) {
1344                 if (lpToneGen->mLoopCounter < lpToneDesc->segments[lpToneGen->mCurSegment].loopCnt) {
1345                     ALOGV ("in if loop loopCnt(%d) loopctr(%d), CurSeg(%d)",
1346                           lpToneDesc->segments[lpToneGen->mCurSegment].loopCnt,
1347                           lpToneGen->mLoopCounter,
1348                           lpToneGen->mCurSegment);
1349                     lpToneGen->mCurSegment = lpToneDesc->segments[lpToneGen->mCurSegment].loopIndx;
1350                     ++lpToneGen->mLoopCounter;
1351                 } else {
1352                     // completed loop. go to next segment
1353                     lpToneGen->mLoopCounter = 0;
1354                     lpToneGen->mCurSegment++;
1355                     ALOGV ("in else loop loopCnt(%d) loopctr(%d), CurSeg(%d)",
1356                           lpToneDesc->segments[lpToneGen->mCurSegment].loopCnt,
1357                           lpToneGen->mLoopCounter,
1358                           lpToneGen->mCurSegment);
1359                 }
1360             } else {
1361                 lpToneGen->mCurSegment++;
1362                 ALOGV ("Goto next seg loopCnt(%d) loopctr(%d), CurSeg(%d)",
1363                       lpToneDesc->segments[lpToneGen->mCurSegment].loopCnt,
1364                       lpToneGen->mLoopCounter,
1365                       lpToneGen->mCurSegment);
1366 
1367             }
1368 
1369             // Handle loop if last segment reached
1370             if (lpToneDesc->segments[lpToneGen->mCurSegment].duration == 0) {
1371                 ALOGV("Last Seg: %d", lpToneGen->mCurSegment);
1372 
1373                 // Pre increment loop count and restart if total count not reached. Stop sequence otherwise
1374                 if (++lpToneGen->mCurCount <= lpToneDesc->repeatCnt) {
1375                     ALOGV("Repeating Count: %d", lpToneGen->mCurCount);
1376 
1377                     lpToneGen->mCurSegment = lpToneDesc->repeatSegment;
1378                     if (lpToneDesc->segments[lpToneDesc->repeatSegment].waveFreq[0] != 0) {
1379                         lWaveCmd = WaveGenerator::WAVEGEN_START;
1380                     }
1381 
1382                     ALOGV("New segment %d, Next Time: %d", lpToneGen->mCurSegment,
1383                             (lpToneGen->mNextSegSmp*1000)/lpToneGen->mSamplingRate);
1384 
1385                 } else {
1386                     lGenSmp = 0;
1387                     ALOGV("End repeat, time: %d", (unsigned int)(systemTime()/1000000));
1388                 }
1389             } else {
1390                 ALOGV("New segment %d, Next Time: %d", lpToneGen->mCurSegment,
1391                         (lpToneGen->mNextSegSmp*1000)/lpToneGen->mSamplingRate);
1392                 if (lpToneDesc->segments[lpToneGen->mCurSegment].waveFreq[0] != 0) {
1393                     // If next segment is not silent,  OFF -> ON transition : reset wave generator
1394                     lWaveCmd = WaveGenerator::WAVEGEN_START;
1395 
1396                     ALOGV("OFF->ON, lGenSmp: %d, lReqSmp: %d", lGenSmp, lReqSmp);
1397                 } else {
1398                     lGenSmp = 0;
1399                 }
1400             }
1401 
1402             // Update next segment transition position. No harm to do it also for last segment as lpToneGen->mNextSegSmp won't be used any more
1403             lpToneGen->mNextSegSmp
1404                     += (lpToneDesc->segments[lpToneGen->mCurSegment].duration * lpToneGen->mSamplingRate) / 1000;
1405 
1406         } else {
1407             // Inside a segment keep tone ON or OFF
1408             if (lpToneDesc->segments[lpToneGen->mCurSegment].waveFreq[0] == 0) {
1409                 lGenSmp = 0;  // If odd segment, tone is currently OFF
1410             } else {
1411                 lGenSmp = lReqSmp;  // If event segment, tone is currently ON
1412             }
1413         }
1414 
1415         if (lGenSmp) {
1416             // If samples must be generated, call all active wave generators and acumulate waves in lpOut
1417             unsigned int lFreqIdx = 0;
1418             unsigned short lFrequency = lpToneDesc->segments[lpToneGen->mCurSegment].waveFreq[lFreqIdx];
1419 
1420             while (lFrequency != 0) {
1421                 WaveGenerator *lpWaveGen = lpToneGen->mWaveGens.valueFor(lFrequency);
1422                 lpWaveGen->getSamples(lpOut, lGenSmp, lWaveCmd);
1423                 lFrequency = lpToneDesc->segments[lpToneGen->mCurSegment].waveFreq[++lFreqIdx];
1424             }
1425         }
1426 
1427         lNumSmp -= lReqSmp;
1428         lpOut += lReqSmp;
1429 
1430 audioCallback_EndLoop:
1431 
1432         switch (lpToneGen->mState) {
1433         case TONE_RESTARTING:
1434             ALOGV("Cbk restarting track");
1435             if (lpToneGen->prepareWave()) {
1436                 lpToneGen->mState = TONE_STARTING;
1437                 if (clock_gettime(CLOCK_MONOTONIC, &lpToneGen->mStartTime) != 0) {
1438                     lpToneGen->mStartTime.tv_sec = 0;
1439                 }
1440                 // must reload lpToneDesc as prepareWave() may change mpToneDesc
1441                 lpToneDesc = lpToneGen->mpToneDesc;
1442             } else {
1443                 ALOGW("Cbk restarting prepareWave() failed");
1444                 lpToneGen->mState = TONE_IDLE;
1445                 lpToneGen->mpAudioTrack->stop();
1446                 // Force loop exit
1447                 lNumSmp = 0;
1448             }
1449             lSignal = true;
1450             break;
1451         case TONE_STOPPING:
1452             ALOGV("Cbk Stopping");
1453             lpToneGen->mState = TONE_STOPPED;
1454             // Force loop exit
1455             lNumSmp = 0;
1456             break;
1457         case TONE_STOPPED:
1458             lpToneGen->mState = TONE_INIT;
1459             ALOGV("Cbk Stopped track");
1460             lpToneGen->mpAudioTrack->stop();
1461             // Force loop exit
1462             lNumSmp = 0;
1463             buffer->size = 0;
1464             lSignal = true;
1465             break;
1466         case TONE_STARTING:
1467             ALOGV("Cbk starting track");
1468             lpToneGen->mState = TONE_PLAYING;
1469             lSignal = true;
1470             break;
1471         case TONE_PLAYING:
1472             break;
1473         default:
1474             // Force loop exit
1475             lNumSmp = 0;
1476             buffer->size = 0;
1477             break;
1478         }
1479 
1480         if (lSignal)
1481             lpToneGen->mWaitCbkCond.broadcast();
1482         lpToneGen->mLock.unlock();
1483     }
1484 }
1485 
1486 
1487 ////////////////////////////////////////////////////////////////////////////////
1488 //
1489 //    Method:        ToneGenerator::prepareWave()
1490 //
1491 //    Description:    Prepare wave generators and reset tone sequencer state machine.
1492 //      mpNewToneDesc must have been initialized before calling this function.
1493 //    Input:
1494 //        none
1495 //
1496 //    Output:
1497 //        returned value:   true if wave generators have been created, false otherwise
1498 //
1499 ////////////////////////////////////////////////////////////////////////////////
prepareWave()1500 bool ToneGenerator::prepareWave() {
1501     unsigned int segmentIdx = 0;
1502 
1503     if (mpNewToneDesc == NULL) {
1504         return false;
1505     }
1506 
1507     // Remove existing wave generators if any
1508     clearWaveGens();
1509 
1510     mpToneDesc = mpNewToneDesc;
1511 
1512     if (mDurationMs == -1) {
1513         mMaxSmp = TONEGEN_INF;
1514     } else {
1515         if (mDurationMs > (int)(TONEGEN_INF / mSamplingRate)) {
1516             mMaxSmp = (mDurationMs / 1000) * mSamplingRate;
1517         } else {
1518             mMaxSmp = (mDurationMs * mSamplingRate) / 1000;
1519         }
1520         ALOGV("prepareWave, duration limited to %d ms", mDurationMs);
1521     }
1522 
1523     while (mpToneDesc->segments[segmentIdx].duration) {
1524         // Get total number of sine waves: needed to adapt sine wave gain.
1525         unsigned int lNumWaves = numWaves(segmentIdx);
1526         unsigned int freqIdx = 0;
1527         unsigned int frequency = mpToneDesc->segments[segmentIdx].waveFreq[freqIdx];
1528         while (frequency) {
1529             // Instantiate a wave generator if  ot already done for this frequency
1530             if (mWaveGens.indexOfKey(frequency) == NAME_NOT_FOUND) {
1531                 ToneGenerator::WaveGenerator *lpWaveGen =
1532                         new ToneGenerator::WaveGenerator(mSamplingRate,
1533                                 frequency,
1534                                 TONEGEN_GAIN/lNumWaves);
1535                 mWaveGens.add(frequency, lpWaveGen);
1536             }
1537             frequency = mpNewToneDesc->segments[segmentIdx].waveFreq[++freqIdx];
1538         }
1539         segmentIdx++;
1540     }
1541 
1542     // Initialize tone sequencer
1543     mTotalSmp = 0;
1544     mCurSegment = 0;
1545     mCurCount = 0;
1546     mLoopCounter = 0;
1547     if (mpToneDesc->segments[0].duration == TONEGEN_INF) {
1548         mNextSegSmp = TONEGEN_INF;
1549     } else{
1550         mNextSegSmp = (mpToneDesc->segments[0].duration * mSamplingRate) / 1000;
1551     }
1552 
1553     return true;
1554 }
1555 
1556 
1557 ////////////////////////////////////////////////////////////////////////////////
1558 //
1559 //    Method:        ToneGenerator::numWaves()
1560 //
1561 //    Description:    Count number of sine waves needed to generate a tone segment (e.g 2 for DTMF).
1562 //
1563 //    Input:
1564 //        segmentIdx        tone segment index
1565 //
1566 //    Output:
1567 //        returned value:    nummber of sine waves
1568 //
1569 ////////////////////////////////////////////////////////////////////////////////
numWaves(unsigned int segmentIdx)1570 unsigned int ToneGenerator::numWaves(unsigned int segmentIdx) {
1571     unsigned int lCnt = 0;
1572 
1573     if (mpToneDesc->segments[segmentIdx].duration) {
1574         while (mpToneDesc->segments[segmentIdx].waveFreq[lCnt]) {
1575             lCnt++;
1576         }
1577         lCnt++;
1578     }
1579 
1580     return lCnt;
1581 }
1582 
1583 
1584 ////////////////////////////////////////////////////////////////////////////////
1585 //
1586 //    Method:        ToneGenerator::clearWaveGens()
1587 //
1588 //    Description:    Removes all wave generators.
1589 //
1590 //    Input:
1591 //        none
1592 //
1593 //    Output:
1594 //        none
1595 //
1596 ////////////////////////////////////////////////////////////////////////////////
clearWaveGens()1597 void ToneGenerator::clearWaveGens() {
1598     ALOGV("Clearing mWaveGens:");
1599 
1600     for (size_t lIdx = 0; lIdx < mWaveGens.size(); lIdx++) {
1601         delete mWaveGens.valueAt(lIdx);
1602     }
1603     mWaveGens.clear();
1604 }
1605 
1606 ////////////////////////////////////////////////////////////////////////////////
1607 //
1608 //    Method:       ToneGenerator::getToneForRegion()
1609 //
1610 //    Description:  Get correct ringtone type according to current region.
1611 //      The corrected ring tone type is the tone descriptor index in sToneDescriptors[].
1612 //
1613 //    Input:
1614 //        none
1615 //
1616 //    Output:
1617 //        none
1618 //
1619 ////////////////////////////////////////////////////////////////////////////////
getToneForRegion(tone_type toneType)1620 ToneGenerator::tone_type ToneGenerator::getToneForRegion(tone_type toneType) {
1621     tone_type regionTone;
1622 
1623     if (mRegion == CEPT || toneType < FIRST_SUP_TONE || toneType > LAST_SUP_TONE) {
1624         regionTone = toneType;
1625     } else {
1626         regionTone = (tone_type) sToneMappingTable[mRegion][toneType - FIRST_SUP_TONE];
1627     }
1628 
1629     ALOGV("getToneForRegion, tone %d, region %d, regionTone %d", toneType, mRegion, regionTone);
1630 
1631     return regionTone;
1632 }
1633 
1634 
1635 ////////////////////////////////////////////////////////////////////////////////
1636 //                WaveGenerator::WaveGenerator class    Implementation
1637 ////////////////////////////////////////////////////////////////////////////////
1638 
1639 //---------------------------------- public methods ----------------------------
1640 
1641 ////////////////////////////////////////////////////////////////////////////////
1642 //
1643 //    Method:        WaveGenerator::WaveGenerator()
1644 //
1645 //    Description:    Constructor.
1646 //
1647 //    Input:
1648 //        samplingRate:    Output sampling rate in Hz
1649 //        frequency:       Frequency of the sine wave to generate in Hz
1650 //        volume:          volume (0.0 to 1.0)
1651 //
1652 //    Output:
1653 //        none
1654 //
1655 ////////////////////////////////////////////////////////////////////////////////
WaveGenerator(uint32_t samplingRate,unsigned short frequency,float volume)1656 ToneGenerator::WaveGenerator::WaveGenerator(uint32_t samplingRate,
1657         unsigned short frequency, float volume) {
1658     double d0;
1659     double F_div_Fs;  // frequency / samplingRate
1660 
1661     F_div_Fs = frequency / (double)samplingRate;
1662     d0 = - (float)GEN_AMP * sin(2 * M_PI * F_div_Fs);
1663     mS2_0 = (short)d0;
1664     mS1 = 0;
1665     mS2 = mS2_0;
1666 
1667     mAmplitude_Q15 = (short)(32767. * 32767. * volume / GEN_AMP);
1668     // take some margin for amplitude fluctuation
1669     if (mAmplitude_Q15 > 32500)
1670         mAmplitude_Q15 = 32500;
1671 
1672     d0 = 32768.0 * cos(2 * M_PI * F_div_Fs);  // Q14*2*cos()
1673     if (d0 > 32767)
1674         d0 = 32767;
1675     mA1_Q14 = (short) d0;
1676 
1677     ALOGV("WaveGenerator init, mA1_Q14: %d, mS2_0: %d, mAmplitude_Q15: %d",
1678             mA1_Q14, mS2_0, mAmplitude_Q15);
1679 }
1680 
1681 ////////////////////////////////////////////////////////////////////////////////
1682 //
1683 //    Method:        WaveGenerator::~WaveGenerator()
1684 //
1685 //    Description:    Destructor.
1686 //
1687 //    Input:
1688 //        none
1689 //
1690 //    Output:
1691 //        none
1692 //
1693 ////////////////////////////////////////////////////////////////////////////////
~WaveGenerator()1694 ToneGenerator::WaveGenerator::~WaveGenerator() {
1695 }
1696 
1697 ////////////////////////////////////////////////////////////////////////////////
1698 //
1699 //    Method:        WaveGenerator::getSamples()
1700 //
1701 //    Description:    Generates count samples of a sine wave and accumulates
1702 //        result in outBuffer.
1703 //
1704 //    Input:
1705 //        outBuffer:      Output buffer where to accumulate samples.
1706 //        count:          number of samples to produce.
1707 //        command:        special action requested (see enum gen_command).
1708 //
1709 //    Output:
1710 //        none
1711 //
1712 ////////////////////////////////////////////////////////////////////////////////
getSamples(short * outBuffer,unsigned int count,unsigned int command)1713 void ToneGenerator::WaveGenerator::getSamples(short *outBuffer,
1714         unsigned int count, unsigned int command) {
1715     long lS1, lS2;
1716     long lA1, lAmplitude;
1717     long Sample;  // current sample
1718 
1719     // init local
1720     if (command == WAVEGEN_START) {
1721         lS1 = (long)0;
1722         lS2 = (long)mS2_0;
1723     } else {
1724         lS1 = mS1;
1725         lS2 = mS2;
1726     }
1727     lA1 = (long)mA1_Q14;
1728     lAmplitude = (long)mAmplitude_Q15;
1729 
1730     if (command == WAVEGEN_STOP) {
1731         lAmplitude <<= 16;
1732         if (count == 0) {
1733             return;
1734         }
1735         long dec = lAmplitude/count;
1736         // loop generation
1737         while (count) {
1738             count--;
1739             Sample = ((lA1 * lS1) >> S_Q14) - lS2;
1740             // shift delay
1741             lS2 = lS1;
1742             lS1 = Sample;
1743             Sample = ((lAmplitude>>16) * Sample) >> S_Q15;
1744             *(outBuffer++) += (short)Sample;  // put result in buffer
1745             lAmplitude -= dec;
1746         }
1747     } else {
1748         // loop generation
1749         while (count) {
1750             count--;
1751             Sample = ((lA1 * lS1) >> S_Q14) - lS2;
1752             // shift delay
1753             lS2 = lS1;
1754             lS1 = Sample;
1755             Sample = (lAmplitude * Sample) >> S_Q15;
1756             *(outBuffer++) += (short)Sample;  // put result in buffer
1757         }
1758     }
1759 
1760     // save status
1761     mS1 = lS1;
1762     mS2 = lS2;
1763 }
1764 
1765 }  // end namespace android
1766