Asterisk - The Open Source Telephony Project GIT-master-f36a736
msgsm.h
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1/* Conversion routines derived from code by guido@sienanet.it */
2#ifndef ASTERISK_MSGSM_H
3#define ASTERISK_MSGSM_H
4
5#define GSM_MAGIC 0xD
6
7#ifndef GSM_H
8typedef unsigned char gsm_byte;
9#endif
10typedef unsigned char wav_byte;
11typedef unsigned int uword;
12
13#define readGSM_33(c1) { \
14 gsm_byte *__c = (c1); \
15 LARc[0] = (*__c++ & 0xF) << 2; /* 1 */ \
16 LARc[0] |= (*__c >> 6) & 0x3; \
17 LARc[1] = *__c++ & 0x3F; \
18 LARc[2] = (*__c >> 3) & 0x1F; \
19 LARc[3] = (*__c++ & 0x7) << 2; \
20 LARc[3] |= (*__c >> 6) & 0x3; \
21 LARc[4] = (*__c >> 2) & 0xF; \
22 LARc[5] = (*__c++ & 0x3) << 2; \
23 LARc[5] |= (*__c >> 6) & 0x3; \
24 LARc[6] = (*__c >> 3) & 0x7; \
25 LARc[7] = *__c++ & 0x7; \
26 Nc[0] = (*__c >> 1) & 0x7F; \
27 bc[0] = (*__c++ & 0x1) << 1; \
28 bc[0] |= (*__c >> 7) & 0x1; \
29 Mc[0] = (*__c >> 5) & 0x3; \
30 xmaxc[0] = (*__c++ & 0x1F) << 1; \
31 xmaxc[0] |= (*__c >> 7) & 0x1; \
32 xmc[0] = (*__c >> 4) & 0x7; \
33 xmc[1] = (*__c >> 1) & 0x7; \
34 xmc[2] = (*__c++ & 0x1) << 2; \
35 xmc[2] |= (*__c >> 6) & 0x3; \
36 xmc[3] = (*__c >> 3) & 0x7; \
37 xmc[4] = *__c++ & 0x7; \
38 xmc[5] = (*__c >> 5) & 0x7; \
39 xmc[6] = (*__c >> 2) & 0x7; \
40 xmc[7] = (*__c++ & 0x3) << 1; /* 10 */ \
41 xmc[7] |= (*__c >> 7) & 0x1; \
42 xmc[8] = (*__c >> 4) & 0x7; \
43 xmc[9] = (*__c >> 1) & 0x7; \
44 xmc[10] = (*__c++ & 0x1) << 2; \
45 xmc[10] |= (*__c >> 6) & 0x3; \
46 xmc[11] = (*__c >> 3) & 0x7; \
47 xmc[12] = *__c++ & 0x7; \
48 Nc[1] = (*__c >> 1) & 0x7F; \
49 bc[1] = (*__c++ & 0x1) << 1; \
50 bc[1] |= (*__c >> 7) & 0x1; \
51 Mc[1] = (*__c >> 5) & 0x3; \
52 xmaxc[1] = (*__c++ & 0x1F) << 1; \
53 xmaxc[1] |= (*__c >> 7) & 0x1; \
54 xmc[13] = (*__c >> 4) & 0x7; \
55 xmc[14] = (*__c >> 1) & 0x7; \
56 xmc[15] = (*__c++ & 0x1) << 2; \
57 xmc[15] |= (*__c >> 6) & 0x3; \
58 xmc[16] = (*__c >> 3) & 0x7; \
59 xmc[17] = *__c++ & 0x7; \
60 xmc[18] = (*__c >> 5) & 0x7; \
61 xmc[19] = (*__c >> 2) & 0x7; \
62 xmc[20] = (*__c++ & 0x3) << 1; \
63 xmc[20] |= (*__c >> 7) & 0x1; \
64 xmc[21] = (*__c >> 4) & 0x7; \
65 xmc[22] = (*__c >> 1) & 0x7; \
66 xmc[23] = (*__c++ & 0x1) << 2; \
67 xmc[23] |= (*__c >> 6) & 0x3; \
68 xmc[24] = (*__c >> 3) & 0x7; \
69 xmc[25] = *__c++ & 0x7; \
70 Nc[2] = (*__c >> 1) & 0x7F; \
71 bc[2] = (*__c++ & 0x1) << 1; /* 20 */ \
72 bc[2] |= (*__c >> 7) & 0x1; \
73 Mc[2] = (*__c >> 5) & 0x3; \
74 xmaxc[2] = (*__c++ & 0x1F) << 1; \
75 xmaxc[2] |= (*__c >> 7) & 0x1; \
76 xmc[26] = (*__c >> 4) & 0x7; \
77 xmc[27] = (*__c >> 1) & 0x7; \
78 xmc[28] = (*__c++ & 0x1) << 2; \
79 xmc[28] |= (*__c >> 6) & 0x3; \
80 xmc[29] = (*__c >> 3) & 0x7; \
81 xmc[30] = *__c++ & 0x7; \
82 xmc[31] = (*__c >> 5) & 0x7; \
83 xmc[32] = (*__c >> 2) & 0x7; \
84 xmc[33] = (*__c++ & 0x3) << 1; \
85 xmc[33] |= (*__c >> 7) & 0x1; \
86 xmc[34] = (*__c >> 4) & 0x7; \
87 xmc[35] = (*__c >> 1) & 0x7; \
88 xmc[36] = (*__c++ & 0x1) << 2; \
89 xmc[36] |= (*__c >> 6) & 0x3; \
90 xmc[37] = (*__c >> 3) & 0x7; \
91 xmc[38] = *__c++ & 0x7; \
92 Nc[3] = (*__c >> 1) & 0x7F; \
93 bc[3] = (*__c++ & 0x1) << 1; \
94 bc[3] |= (*__c >> 7) & 0x1; \
95 Mc[3] = (*__c >> 5) & 0x3; \
96 xmaxc[3] = (*__c++ & 0x1F) << 1; \
97 xmaxc[3] |= (*__c >> 7) & 0x1; \
98 xmc[39] = (*__c >> 4) & 0x7; \
99 xmc[40] = (*__c >> 1) & 0x7; \
100 xmc[41] = (*__c++ & 0x1) << 2; \
101 xmc[41] |= (*__c >> 6) & 0x3; \
102 xmc[42] = (*__c >> 3) & 0x7; \
103 xmc[43] = *__c++ & 0x7; /* 30 */ \
104 xmc[44] = (*__c >> 5) & 0x7; \
105 xmc[45] = (*__c >> 2) & 0x7; \
106 xmc[46] = (*__c++ & 0x3) << 1; \
107 xmc[46] |= (*__c >> 7) & 0x1; \
108 xmc[47] = (*__c >> 4) & 0x7; \
109 xmc[48] = (*__c >> 1) & 0x7; \
110 xmc[49] = (*__c++ & 0x1) << 2; \
111 xmc[49] |= (*__c >> 6) & 0x3; \
112 xmc[50] = (*__c >> 3) & 0x7; \
113 xmc[51] = *__c & 0x7; /* 33 */ \
114}
115
116static inline void conv66(gsm_byte * d, wav_byte * c) {
117 gsm_byte frame_chain;
118 unsigned int sr;
119 unsigned int LARc[8], Nc[4], Mc[4], bc[4], xmaxc[4], xmc[13*4];
120
121 readGSM_33(d);
122 sr = 0;
123 sr = (sr >> 6) | (LARc[0] << 10);
124 sr = (sr >> 6) | (LARc[1] << 10);
125 *c++ = sr >> 4;
126 sr = (sr >> 5) | (LARc[2] << 11);
127 *c++ = sr >> 7;
128 sr = (sr >> 5) | (LARc[3] << 11);
129 sr = (sr >> 4) | (LARc[4] << 12);
130 *c++ = sr >> 6;
131 sr = (sr >> 4) | (LARc[5] << 12);
132 sr = (sr >> 3) | (LARc[6] << 13);
133 *c++ = sr >> 7;
134 sr = (sr >> 3) | (LARc[7] << 13);
135 sr = (sr >> 7) | (Nc[0] << 9);
136 *c++ = sr >> 5;
137 sr = (sr >> 2) | (bc[0] << 14);
138 sr = (sr >> 2) | (Mc[0] << 14);
139 sr = (sr >> 6) | (xmaxc[0] << 10);
140 *c++ = sr >> 3;
141 sr = (sr >> 3 )|( xmc[0] << 13);
142 *c++ = sr >> 8;
143 sr = (sr >> 3 )|( xmc[1] << 13);
144 sr = (sr >> 3 )|( xmc[2] << 13);
145 sr = (sr >> 3 )|( xmc[3] << 13);
146 *c++ = sr >> 7;
147 sr = (sr >> 3 )|( xmc[4] << 13);
148 sr = (sr >> 3 )|( xmc[5] << 13);
149 sr = (sr >> 3 )|( xmc[6] << 13);
150 *c++ = sr >> 6;
151 sr = (sr >> 3 )|( xmc[7] << 13);
152 sr = (sr >> 3 )|( xmc[8] << 13);
153 *c++ = sr >> 8;
154 sr = (sr >> 3 )|( xmc[9] << 13);
155 sr = (sr >> 3 )|( xmc[10] << 13);
156 sr = (sr >> 3 )|( xmc[11] << 13);
157 *c++ = sr >> 7;
158 sr = (sr >> 3 )|( xmc[12] << 13);
159 sr = (sr >> 7 )|( Nc[1] << 9);
160 *c++ = sr >> 5;
161 sr = (sr >> 2 )|( bc[1] << 14);
162 sr = (sr >> 2 )|( Mc[1] << 14);
163 sr = (sr >> 6 )|( xmaxc[1] << 10);
164 *c++ = sr >> 3;
165 sr = (sr >> 3 )|( xmc[13] << 13);
166 *c++ = sr >> 8;
167 sr = (sr >> 3 )|( xmc[14] << 13);
168 sr = (sr >> 3 )|( xmc[15] << 13);
169 sr = (sr >> 3 )|( xmc[16] << 13);
170 *c++ = sr >> 7;
171 sr = (sr >> 3 )|( xmc[17] << 13);
172 sr = (sr >> 3 )|( xmc[18] << 13);
173 sr = (sr >> 3 )|( xmc[19] << 13);
174 *c++ = sr >> 6;
175 sr = (sr >> 3 )|( xmc[20] << 13);
176 sr = (sr >> 3 )|( xmc[21] << 13);
177 *c++ = sr >> 8;
178 sr = (sr >> 3 )|( xmc[22] << 13);
179 sr = (sr >> 3 )|( xmc[23] << 13);
180 sr = (sr >> 3 )|( xmc[24] << 13);
181 *c++ = sr >> 7;
182 sr = (sr >> 3 )|( xmc[25] << 13);
183 sr = (sr >> 7 )|( Nc[2] << 9);
184 *c++ = sr >> 5;
185 sr = (sr >> 2 )|( bc[2] << 14);
186 sr = (sr >> 2 )|( Mc[2] << 14);
187 sr = (sr >> 6 )|( xmaxc[2] << 10);
188 *c++ = sr >> 3;
189 sr = (sr >> 3 )|( xmc[26] << 13);
190 *c++ = sr >> 8;
191 sr = (sr >> 3 )|( xmc[27] << 13);
192 sr = (sr >> 3 )|( xmc[28] << 13);
193 sr = (sr >> 3 )|( xmc[29] << 13);
194 *c++ = sr >> 7;
195 sr = (sr >> 3 )|( xmc[30] << 13);
196 sr = (sr >> 3 )|( xmc[31] << 13);
197 sr = (sr >> 3 )|( xmc[32] << 13);
198 *c++ = sr >> 6;
199 sr = (sr >> 3 )|( xmc[33] << 13);
200 sr = (sr >> 3 )|( xmc[34] << 13);
201 *c++ = sr >> 8;
202 sr = (sr >> 3 )|( xmc[35] << 13);
203 sr = (sr >> 3 )|( xmc[36] << 13);
204 sr = (sr >> 3 )|( xmc[37] << 13);
205 *c++ = sr >> 7;
206 sr = (sr >> 3 )|( xmc[38] << 13);
207 sr = (sr >> 7 )|( Nc[3] << 9);
208 *c++ = sr >> 5;
209 sr = (sr >> 2 )|( bc[3] << 14);
210 sr = (sr >> 2 )|( Mc[3] << 14);
211 sr = (sr >> 6 )|( xmaxc[3] << 10);
212 *c++ = sr >> 3;
213 sr = (sr >> 3 )|( xmc[39] << 13);
214 *c++ = sr >> 8;
215 sr = (sr >> 3 )|( xmc[40] << 13);
216 sr = (sr >> 3 )|( xmc[41] << 13);
217 sr = (sr >> 3 )|( xmc[42] << 13);
218 *c++ = sr >> 7;
219 sr = (sr >> 3 )|( xmc[43] << 13);
220 sr = (sr >> 3 )|( xmc[44] << 13);
221 sr = (sr >> 3 )|( xmc[45] << 13);
222 *c++ = sr >> 6;
223 sr = (sr >> 3 )|( xmc[46] << 13);
224 sr = (sr >> 3 )|( xmc[47] << 13);
225 *c++ = sr >> 8;
226 sr = (sr >> 3 )|( xmc[48] << 13);
227 sr = (sr >> 3 )|( xmc[49] << 13);
228 sr = (sr >> 3 )|( xmc[50] << 13);
229 *c++ = sr >> 7;
230 sr = (sr >> 3 )|( xmc[51] << 13);
231 sr = sr >> 4;
232 *c = sr >> 8;
233 frame_chain = *c;
234 readGSM_33(d+33); /* puts all the parameters into LARc etc. */
235
236
237 sr = 0;
238/* sr = (sr >> 4 )|( s->frame_chain << 12); */
239 sr = (sr >> 4 )|( frame_chain << 12);
240
241 sr = (sr >> 6 )|( LARc[0] << 10);
242 *c++ = sr >> 6;
243 sr = (sr >> 6 )|( LARc[1] << 10);
244 *c++ = sr >> 8;
245 sr = (sr >> 5 )|( LARc[2] << 11);
246 sr = (sr >> 5 )|( LARc[3] << 11);
247 *c++ = sr >> 6;
248 sr = (sr >> 4 )|( LARc[4] << 12);
249 sr = (sr >> 4 )|( LARc[5] << 12);
250 *c++ = sr >> 6;
251 sr = (sr >> 3 )|( LARc[6] << 13);
252 sr = (sr >> 3 )|( LARc[7] << 13);
253 *c++ = sr >> 8;
254 sr = (sr >> 7 )|( Nc[0] << 9);
255 sr = (sr >> 2 )|( bc[0] << 14);
256 *c++ = sr >> 7;
257 sr = (sr >> 2 )|( Mc[0] << 14);
258 sr = (sr >> 6 )|( xmaxc[0] << 10);
259 *c++ = sr >> 7;
260 sr = (sr >> 3 )|( xmc[0] << 13);
261 sr = (sr >> 3 )|( xmc[1] << 13);
262 sr = (sr >> 3 )|( xmc[2] << 13);
263 *c++ = sr >> 6;
264 sr = (sr >> 3 )|( xmc[3] << 13);
265 sr = (sr >> 3 )|( xmc[4] << 13);
266 *c++ = sr >> 8;
267 sr = (sr >> 3 )|( xmc[5] << 13);
268 sr = (sr >> 3 )|( xmc[6] << 13);
269 sr = (sr >> 3 )|( xmc[7] << 13);
270 *c++ = sr >> 7;
271 sr = (sr >> 3 )|( xmc[8] << 13);
272 sr = (sr >> 3 )|( xmc[9] << 13);
273 sr = (sr >> 3 )|( xmc[10] << 13);
274 *c++ = sr >> 6;
275 sr = (sr >> 3 )|( xmc[11] << 13);
276 sr = (sr >> 3 )|( xmc[12] << 13);
277 *c++ = sr >> 8;
278 sr = (sr >> 7 )|( Nc[1] << 9);
279 sr = (sr >> 2 )|( bc[1] << 14);
280 *c++ = sr >> 7;
281 sr = (sr >> 2 )|( Mc[1] << 14);
282 sr = (sr >> 6 )|( xmaxc[1] << 10);
283 *c++ = sr >> 7;
284 sr = (sr >> 3 )|( xmc[13] << 13);
285 sr = (sr >> 3 )|( xmc[14] << 13);
286 sr = (sr >> 3 )|( xmc[15] << 13);
287 *c++ = sr >> 6;
288 sr = (sr >> 3 )|( xmc[16] << 13);
289 sr = (sr >> 3 )|( xmc[17] << 13);
290 *c++ = sr >> 8;
291 sr = (sr >> 3 )|( xmc[18] << 13);
292 sr = (sr >> 3 )|( xmc[19] << 13);
293 sr = (sr >> 3 )|( xmc[20] << 13);
294 *c++ = sr >> 7;
295 sr = (sr >> 3 )|( xmc[21] << 13);
296 sr = (sr >> 3 )|( xmc[22] << 13);
297 sr = (sr >> 3 )|( xmc[23] << 13);
298 *c++ = sr >> 6;
299 sr = (sr >> 3 )|( xmc[24] << 13);
300 sr = (sr >> 3 )|( xmc[25] << 13);
301 *c++ = sr >> 8;
302 sr = (sr >> 7 )|( Nc[2] << 9);
303 sr = (sr >> 2 )|( bc[2] << 14);
304 *c++ = sr >> 7;
305 sr = (sr >> 2 )|( Mc[2] << 14);
306 sr = (sr >> 6 )|( xmaxc[2] << 10);
307 *c++ = sr >> 7;
308 sr = (sr >> 3 )|( xmc[26] << 13);
309 sr = (sr >> 3 )|( xmc[27] << 13);
310 sr = (sr >> 3 )|( xmc[28] << 13);
311 *c++ = sr >> 6;
312 sr = (sr >> 3 )|( xmc[29] << 13);
313 sr = (sr >> 3 )|( xmc[30] << 13);
314 *c++ = sr >> 8;
315 sr = (sr >> 3 )|( xmc[31] << 13);
316 sr = (sr >> 3 )|( xmc[32] << 13);
317 sr = (sr >> 3 )|( xmc[33] << 13);
318 *c++ = sr >> 7;
319 sr = (sr >> 3 )|( xmc[34] << 13);
320 sr = (sr >> 3 )|( xmc[35] << 13);
321 sr = (sr >> 3 )|( xmc[36] << 13);
322 *c++ = sr >> 6;
323 sr = (sr >> 3 )|( xmc[37] << 13);
324 sr = (sr >> 3 )|( xmc[38] << 13);
325 *c++ = sr >> 8;
326 sr = (sr >> 7 )|( Nc[3] << 9);
327 sr = (sr >> 2 )|( bc[3] << 14);
328 *c++ = sr >> 7;
329 sr = (sr >> 2 )|( Mc[3] << 14);
330 sr = (sr >> 6 )|( xmaxc[3] << 10);
331 *c++ = sr >> 7;
332 sr = (sr >> 3 )|( xmc[39] << 13);
333 sr = (sr >> 3 )|( xmc[40] << 13);
334 sr = (sr >> 3 )|( xmc[41] << 13);
335 *c++ = sr >> 6;
336 sr = (sr >> 3 )|( xmc[42] << 13);
337 sr = (sr >> 3 )|( xmc[43] << 13);
338 *c++ = sr >> 8;
339 sr = (sr >> 3 )|( xmc[44] << 13);
340 sr = (sr >> 3 )|( xmc[45] << 13);
341 sr = (sr >> 3 )|( xmc[46] << 13);
342 *c++ = sr >> 7;
343 sr = (sr >> 3 )|( xmc[47] << 13);
344 sr = (sr >> 3 )|( xmc[48] << 13);
345 sr = (sr >> 3 )|( xmc[49] << 13);
346 *c++ = sr >> 6;
347 sr = (sr >> 3 )|( xmc[50] << 13);
348 sr = (sr >> 3 )|( xmc[51] << 13);
349 *c++ = sr >> 8;
350
351}
352
353#define writeGSM_33(c1) { \
354 gsm_byte *__c = (c1); \
355 *__c++ = ((GSM_MAGIC & 0xF) << 4) /* 1 */ \
356 | ((LARc[0] >> 2) & 0xF); \
357 *__c++ = ((LARc[0] & 0x3) << 6) \
358 | (LARc[1] & 0x3F); \
359 *__c++ = ((LARc[2] & 0x1F) << 3) \
360 | ((LARc[3] >> 2) & 0x7); \
361 *__c++ = ((LARc[3] & 0x3) << 6) \
362 | ((LARc[4] & 0xF) << 2) \
363 | ((LARc[5] >> 2) & 0x3); \
364 *__c++ = ((LARc[5] & 0x3) << 6) \
365 | ((LARc[6] & 0x7) << 3) \
366 | (LARc[7] & 0x7); \
367 *__c++ = ((Nc[0] & 0x7F) << 1) \
368 | ((bc[0] >> 1) & 0x1); \
369 *__c++ = ((bc[0] & 0x1) << 7) \
370 | ((Mc[0] & 0x3) << 5) \
371 | ((xmaxc[0] >> 1) & 0x1F); \
372 *__c++ = ((xmaxc[0] & 0x1) << 7) \
373 | ((xmc[0] & 0x7) << 4) \
374 | ((xmc[1] & 0x7) << 1) \
375 | ((xmc[2] >> 2) & 0x1); \
376 *__c++ = ((xmc[2] & 0x3) << 6) \
377 | ((xmc[3] & 0x7) << 3) \
378 | (xmc[4] & 0x7); \
379 *__c++ = ((xmc[5] & 0x7) << 5) /* 10 */ \
380 | ((xmc[6] & 0x7) << 2) \
381 | ((xmc[7] >> 1) & 0x3); \
382 *__c++ = ((xmc[7] & 0x1) << 7) \
383 | ((xmc[8] & 0x7) << 4) \
384 | ((xmc[9] & 0x7) << 1) \
385 | ((xmc[10] >> 2) & 0x1); \
386 *__c++ = ((xmc[10] & 0x3) << 6) \
387 | ((xmc[11] & 0x7) << 3) \
388 | (xmc[12] & 0x7); \
389 *__c++ = ((Nc[1] & 0x7F) << 1) \
390 | ((bc[1] >> 1) & 0x1); \
391 *__c++ = ((bc[1] & 0x1) << 7) \
392 | ((Mc[1] & 0x3) << 5) \
393 | ((xmaxc[1] >> 1) & 0x1F); \
394 *__c++ = ((xmaxc[1] & 0x1) << 7) \
395 | ((xmc[13] & 0x7) << 4) \
396 | ((xmc[14] & 0x7) << 1) \
397 | ((xmc[15] >> 2) & 0x1); \
398 *__c++ = ((xmc[15] & 0x3) << 6) \
399 | ((xmc[16] & 0x7) << 3) \
400 | (xmc[17] & 0x7); \
401 *__c++ = ((xmc[18] & 0x7) << 5) \
402 | ((xmc[19] & 0x7) << 2) \
403 | ((xmc[20] >> 1) & 0x3); \
404 *__c++ = ((xmc[20] & 0x1) << 7) \
405 | ((xmc[21] & 0x7) << 4) \
406 | ((xmc[22] & 0x7) << 1) \
407 | ((xmc[23] >> 2) & 0x1); \
408 *__c++ = ((xmc[23] & 0x3) << 6) \
409 | ((xmc[24] & 0x7) << 3) \
410 | (xmc[25] & 0x7); \
411 *__c++ = ((Nc[2] & 0x7F) << 1) /* 20 */ \
412 | ((bc[2] >> 1) & 0x1); \
413 *__c++ = ((bc[2] & 0x1) << 7) \
414 | ((Mc[2] & 0x3) << 5) \
415 | ((xmaxc[2] >> 1) & 0x1F); \
416 *__c++ = ((xmaxc[2] & 0x1) << 7) \
417 | ((xmc[26] & 0x7) << 4) \
418 | ((xmc[27] & 0x7) << 1) \
419 | ((xmc[28] >> 2) & 0x1); \
420 *__c++ = ((xmc[28] & 0x3) << 6) \
421 | ((xmc[29] & 0x7) << 3) \
422 | (xmc[30] & 0x7); \
423 *__c++ = ((xmc[31] & 0x7) << 5) \
424 | ((xmc[32] & 0x7) << 2) \
425 | ((xmc[33] >> 1) & 0x3); \
426 *__c++ = ((xmc[33] & 0x1) << 7) \
427 | ((xmc[34] & 0x7) << 4) \
428 | ((xmc[35] & 0x7) << 1) \
429 | ((xmc[36] >> 2) & 0x1); \
430 *__c++ = ((xmc[36] & 0x3) << 6) \
431 | ((xmc[37] & 0x7) << 3) \
432 | (xmc[38] & 0x7); \
433 *__c++ = ((Nc[3] & 0x7F) << 1) \
434 | ((bc[3] >> 1) & 0x1); \
435 *__c++ = ((bc[3] & 0x1) << 7) \
436 | ((Mc[3] & 0x3) << 5) \
437 | ((xmaxc[3] >> 1) & 0x1F); \
438 *__c++ = ((xmaxc[3] & 0x1) << 7) \
439 | ((xmc[39] & 0x7) << 4) \
440 | ((xmc[40] & 0x7) << 1) \
441 | ((xmc[41] >> 2) & 0x1); \
442 *__c++ = ((xmc[41] & 0x3) << 6) /* 30 */ \
443 | ((xmc[42] & 0x7) << 3) \
444 | (xmc[43] & 0x7); \
445 *__c++ = ((xmc[44] & 0x7) << 5) \
446 | ((xmc[45] & 0x7) << 2) \
447 | ((xmc[46] >> 1) & 0x3); \
448 *__c++ = ((xmc[46] & 0x1) << 7) \
449 | ((xmc[47] & 0x7) << 4) \
450 | ((xmc[48] & 0x7) << 1) \
451 | ((xmc[49] >> 2) & 0x1); \
452 *__c++ = ((xmc[49] & 0x3) << 6) \
453 | ((xmc[50] & 0x7) << 3) \
454 | (xmc[51] & 0x7); \
455}
456
457static inline void conv65( wav_byte * c, gsm_byte * d){
458
459 unsigned int sr = 0;
460 unsigned int frame_chain;
461 unsigned int LARc[8], Nc[4], Mc[4], bc[4], xmaxc[4];
462 /* silence bogus compiler warning */
463 unsigned int xmc[13*4] = { 0, };
464
465 sr = *c++;
466 LARc[0] = sr & 0x3f; sr >>= 6;
467 sr |= (uword)*c++ << 2;
468 LARc[1] = sr & 0x3f; sr >>= 6;
469 sr |= (uword)*c++ << 4;
470 LARc[2] = sr & 0x1f; sr >>= 5;
471 LARc[3] = sr & 0x1f; sr >>= 5;
472 sr |= (uword)*c++ << 2;
473 LARc[4] = sr & 0xf; sr >>= 4;
474 LARc[5] = sr & 0xf; sr >>= 4;
475 sr |= (uword)*c++ << 2; /* 5 */
476 LARc[6] = sr & 0x7; sr >>= 3;
477 LARc[7] = sr & 0x7; sr >>= 3;
478 sr |= (uword)*c++ << 4;
479 Nc[0] = sr & 0x7f; sr >>= 7;
480 bc[0] = sr & 0x3; sr >>= 2;
481 Mc[0] = sr & 0x3; sr >>= 2;
482 sr |= (uword)*c++ << 1;
483 xmaxc[0] = sr & 0x3f; sr >>= 6;
484 xmc[0] = sr & 0x7; sr >>= 3;
485 sr = *c++;
486 xmc[1] = sr & 0x7; sr >>= 3;
487 xmc[2] = sr & 0x7; sr >>= 3;
488 sr |= (uword)*c++ << 2;
489 xmc[3] = sr & 0x7; sr >>= 3;
490 xmc[4] = sr & 0x7; sr >>= 3;
491 xmc[5] = sr & 0x7; sr >>= 3;
492 sr |= (uword)*c++ << 1; /* 10 */
493 xmc[6] = sr & 0x7; sr >>= 3;
494 xmc[7] = sr & 0x7; sr >>= 3;
495 xmc[8] = sr & 0x7; sr >>= 3;
496 sr = *c++;
497 xmc[9] = sr & 0x7; sr >>= 3;
498 xmc[10] = sr & 0x7; sr >>= 3;
499 sr |= (uword)*c++ << 2;
500 xmc[11] = sr & 0x7; sr >>= 3;
501 xmc[12] = sr & 0x7; sr >>= 3;
502 sr |= (uword)*c++ << 4;
503 Nc[1] = sr & 0x7f; sr >>= 7;
504 bc[1] = sr & 0x3; sr >>= 2;
505 Mc[1] = sr & 0x3; sr >>= 2;
506 sr |= (uword)*c++ << 1;
507 xmaxc[1] = sr & 0x3f; sr >>= 6;
508 xmc[13] = sr & 0x7; sr >>= 3;
509 sr = *c++; /* 15 */
510 xmc[14] = sr & 0x7; sr >>= 3;
511 xmc[15] = sr & 0x7; sr >>= 3;
512 sr |= (uword)*c++ << 2;
513 xmc[16] = sr & 0x7; sr >>= 3;
514 xmc[17] = sr & 0x7; sr >>= 3;
515 xmc[18] = sr & 0x7; sr >>= 3;
516 sr |= (uword)*c++ << 1;
517 xmc[19] = sr & 0x7; sr >>= 3;
518 xmc[20] = sr & 0x7; sr >>= 3;
519 xmc[21] = sr & 0x7; sr >>= 3;
520 sr = *c++;
521 xmc[22] = sr & 0x7; sr >>= 3;
522 xmc[23] = sr & 0x7; sr >>= 3;
523 sr |= (uword)*c++ << 2;
524 xmc[24] = sr & 0x7; sr >>= 3;
525 xmc[25] = sr & 0x7; sr >>= 3;
526 sr |= (uword)*c++ << 4; /* 20 */
527 Nc[2] = sr & 0x7f; sr >>= 7;
528 bc[2] = sr & 0x3; sr >>= 2;
529 Mc[2] = sr & 0x3; sr >>= 2;
530 sr |= (uword)*c++ << 1;
531 xmaxc[2] = sr & 0x3f; sr >>= 6;
532 xmc[26] = sr & 0x7; sr >>= 3;
533 sr = *c++;
534 xmc[27] = sr & 0x7; sr >>= 3;
535 xmc[28] = sr & 0x7; sr >>= 3;
536 sr |= (uword)*c++ << 2;
537 xmc[29] = sr & 0x7; sr >>= 3;
538 xmc[30] = sr & 0x7; sr >>= 3;
539 xmc[31] = sr & 0x7; sr >>= 3;
540 sr |= (uword)*c++ << 1;
541 xmc[32] = sr & 0x7; sr >>= 3;
542 xmc[33] = sr & 0x7; sr >>= 3;
543 xmc[34] = sr & 0x7; sr >>= 3;
544 sr = *c++; /* 25 */
545 xmc[35] = sr & 0x7; sr >>= 3;
546 xmc[36] = sr & 0x7; sr >>= 3;
547 sr |= (uword)*c++ << 2;
548 xmc[37] = sr & 0x7; sr >>= 3;
549 xmc[38] = sr & 0x7; sr >>= 3;
550 sr |= (uword)*c++ << 4;
551 Nc[3] = sr & 0x7f; sr >>= 7;
552 bc[3] = sr & 0x3; sr >>= 2;
553 Mc[3] = sr & 0x3; sr >>= 2;
554 sr |= (uword)*c++ << 1;
555 xmaxc[3] = sr & 0x3f; sr >>= 6;
556 xmc[39] = sr & 0x7; sr >>= 3;
557 sr = *c++;
558 xmc[40] = sr & 0x7; sr >>= 3;
559 xmc[41] = sr & 0x7; sr >>= 3;
560 sr |= (uword)*c++ << 2; /* 30 */
561 xmc[42] = sr & 0x7; sr >>= 3;
562 xmc[43] = sr & 0x7; sr >>= 3;
563 xmc[44] = sr & 0x7; sr >>= 3;
564 sr |= (uword)*c++ << 1;
565 xmc[45] = sr & 0x7; sr >>= 3;
566 xmc[46] = sr & 0x7; sr >>= 3;
567 xmc[47] = sr & 0x7; sr >>= 3;
568 sr = *c++;
569 xmc[49] = sr & 0x7; sr >>= 3;
570 sr |= (uword)*c++ << 2;
571 xmc[50] = sr & 0x7; sr >>= 3;
572 xmc[51] = sr & 0x7; sr >>= 3;
573
574 frame_chain = sr & 0xf;
575
576
577 writeGSM_33(d);/* LARc etc. -> array of 33 GSM bytes */
578
579
580 sr = frame_chain;
581 sr |= (uword)*c++ << 4; /* 1 */
582 LARc[0] = sr & 0x3f; sr >>= 6;
583 LARc[1] = sr & 0x3f; sr >>= 6;
584 sr = *c++;
585 LARc[2] = sr & 0x1f; sr >>= 5;
586 sr |= (uword)*c++ << 3;
587 LARc[3] = sr & 0x1f; sr >>= 5;
588 LARc[4] = sr & 0xf; sr >>= 4;
589 sr |= (uword)*c++ << 2;
590 LARc[5] = sr & 0xf; sr >>= 4;
591 LARc[6] = sr & 0x7; sr >>= 3;
592 LARc[7] = sr & 0x7; sr >>= 3;
593 sr = *c++; /* 5 */
594 Nc[0] = sr & 0x7f; sr >>= 7;
595 sr |= (uword)*c++ << 1;
596 bc[0] = sr & 0x3; sr >>= 2;
597 Mc[0] = sr & 0x3; sr >>= 2;
598 sr |= (uword)*c++ << 5;
599 xmaxc[0] = sr & 0x3f; sr >>= 6;
600 xmc[0] = sr & 0x7; sr >>= 3;
601 xmc[1] = sr & 0x7; sr >>= 3;
602 sr |= (uword)*c++ << 1;
603 xmc[2] = sr & 0x7; sr >>= 3;
604 xmc[3] = sr & 0x7; sr >>= 3;
605 xmc[4] = sr & 0x7; sr >>= 3;
606 sr = *c++;
607 xmc[5] = sr & 0x7; sr >>= 3;
608 xmc[6] = sr & 0x7; sr >>= 3;
609 sr |= (uword)*c++ << 2; /* 10 */
610 xmc[7] = sr & 0x7; sr >>= 3;
611 xmc[8] = sr & 0x7; sr >>= 3;
612 xmc[9] = sr & 0x7; sr >>= 3;
613 sr |= (uword)*c++ << 1;
614 xmc[10] = sr & 0x7; sr >>= 3;
615 xmc[11] = sr & 0x7; sr >>= 3;
616 xmc[12] = sr & 0x7; sr >>= 3;
617 sr = *c++;
618 Nc[1] = sr & 0x7f; sr >>= 7;
619 sr |= (uword)*c++ << 1;
620 bc[1] = sr & 0x3; sr >>= 2;
621 Mc[1] = sr & 0x3; sr >>= 2;
622 sr |= (uword)*c++ << 5;
623 xmaxc[1] = sr & 0x3f; sr >>= 6;
624 xmc[13] = sr & 0x7; sr >>= 3;
625 xmc[14] = sr & 0x7; sr >>= 3;
626 sr |= (uword)*c++ << 1; /* 15 */
627 xmc[15] = sr & 0x7; sr >>= 3;
628 xmc[16] = sr & 0x7; sr >>= 3;
629 xmc[17] = sr & 0x7; sr >>= 3;
630 sr = *c++;
631 xmc[18] = sr & 0x7; sr >>= 3;
632 xmc[19] = sr & 0x7; sr >>= 3;
633 sr |= (uword)*c++ << 2;
634 xmc[20] = sr & 0x7; sr >>= 3;
635 xmc[21] = sr & 0x7; sr >>= 3;
636 xmc[22] = sr & 0x7; sr >>= 3;
637 sr |= (uword)*c++ << 1;
638 xmc[23] = sr & 0x7; sr >>= 3;
639 xmc[24] = sr & 0x7; sr >>= 3;
640 xmc[25] = sr & 0x7; sr >>= 3;
641 sr = *c++;
642 Nc[2] = sr & 0x7f; sr >>= 7;
643 sr |= (uword)*c++ << 1; /* 20 */
644 bc[2] = sr & 0x3; sr >>= 2;
645 Mc[2] = sr & 0x3; sr >>= 2;
646 sr |= (uword)*c++ << 5;
647 xmaxc[2] = sr & 0x3f; sr >>= 6;
648 xmc[26] = sr & 0x7; sr >>= 3;
649 xmc[27] = sr & 0x7; sr >>= 3;
650 sr |= (uword)*c++ << 1;
651 xmc[28] = sr & 0x7; sr >>= 3;
652 xmc[29] = sr & 0x7; sr >>= 3;
653 xmc[30] = sr & 0x7; sr >>= 3;
654 sr = *c++;
655 xmc[31] = sr & 0x7; sr >>= 3;
656 xmc[32] = sr & 0x7; sr >>= 3;
657 sr |= (uword)*c++ << 2;
658 xmc[33] = sr & 0x7; sr >>= 3;
659 xmc[34] = sr & 0x7; sr >>= 3;
660 xmc[35] = sr & 0x7; sr >>= 3;
661 sr |= (uword)*c++ << 1; /* 25 */
662 xmc[36] = sr & 0x7; sr >>= 3;
663 xmc[37] = sr & 0x7; sr >>= 3;
664 xmc[38] = sr & 0x7; sr >>= 3;
665 sr = *c++;
666 Nc[3] = sr & 0x7f; sr >>= 7;
667 sr |= (uword)*c++ << 1;
668 bc[3] = sr & 0x3; sr >>= 2;
669 Mc[3] = sr & 0x3; sr >>= 2;
670 sr |= (uword)*c++ << 5;
671 xmaxc[3] = sr & 0x3f; sr >>= 6;
672 xmc[39] = sr & 0x7; sr >>= 3;
673 xmc[40] = sr & 0x7; sr >>= 3;
674 sr |= (uword)*c++ << 1;
675 xmc[41] = sr & 0x7; sr >>= 3;
676 xmc[42] = sr & 0x7; sr >>= 3;
677 xmc[43] = sr & 0x7; sr >>= 3;
678 sr = *c++; /* 30 */
679 xmc[44] = sr & 0x7; sr >>= 3;
680 xmc[45] = sr & 0x7; sr >>= 3;
681 sr |= (uword)*c++ << 2;
682 xmc[46] = sr & 0x7; sr >>= 3;
683 xmc[47] = sr & 0x7; sr >>= 3;
684 xmc[48] = sr & 0x7; sr >>= 3;
685 sr |= (uword)*c++ << 1;
686 xmc[49] = sr & 0x7; sr >>= 3;
687 xmc[50] = sr & 0x7; sr >>= 3;
688 xmc[51] = sr & 0x7; sr >>= 3;
689 writeGSM_33(d+33);
690
691}
692
693#endif /* ASTERISK_MSGSM_H */
gsm_byte
unsigned char gsm_byte
Definition: gsm.h:41
Mc
#define Mc
LARc
#define LARc
xmc
#define xmc
xmaxc
#define xmaxc
bc
#define bc
Nc
#define Nc
wav_byte
unsigned char wav_byte
Definition: msgsm.h:10
writeGSM_33
#define writeGSM_33(c1)
Definition: msgsm.h:353
conv66
static void conv66(gsm_byte *d, wav_byte *c)
Definition: msgsm.h:116
conv65
static void conv65(wav_byte *c, gsm_byte *d)
Definition: msgsm.h:457
uword
unsigned int uword
Definition: msgsm.h:11
gsm_byte
unsigned char gsm_byte
Definition: msgsm.h:8
readGSM_33
#define readGSM_33(c1)
Definition: msgsm.h:13
d
static struct test_val d
Definition: test_linkedlists.c:49
c
static struct test_val c
Definition: test_linkedlists.c:48
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