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