1 | //convert.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2013 |
---|
5 | * Copyright (C) Hans-Kristian 'maister' Arntzen - 2010 |
---|
6 | * |
---|
7 | * This file is part of libroar a part of RoarAudio, |
---|
8 | * a cross-platform sound system for both, home and professional use. |
---|
9 | * See README for details. |
---|
10 | * |
---|
11 | * This file is free software; you can redistribute it and/or modify |
---|
12 | * it under the terms of the GNU General Public License version 3 |
---|
13 | * as published by the Free Software Foundation. |
---|
14 | * |
---|
15 | * libroar is distributed in the hope that it will be useful, |
---|
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
18 | * GNU General Public License for more details. |
---|
19 | * |
---|
20 | * You should have received a copy of the GNU General Public License |
---|
21 | * along with this software; see the file COPYING. If not, write to |
---|
22 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
23 | * Boston, MA 02110-1301, USA. |
---|
24 | * |
---|
25 | * NOTE for everyone want's to change something and send patches: |
---|
26 | * read README and HACKING! There a addition information on |
---|
27 | * the license of this document you need to read before you send |
---|
28 | * any patches. |
---|
29 | * |
---|
30 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
31 | * or libpulse*: |
---|
32 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
33 | * and are therefore GPL. Because of this it may be illigal to use |
---|
34 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
35 | */ |
---|
36 | |
---|
37 | #include "libroardsp.h" |
---|
38 | //#define free(p) {ROAR_WARN("free(%p) = ?", (p)); free((p)); ROAR_WARN("free(%p): OK", (p));} |
---|
39 | |
---|
40 | int roar_conv_bits (void * out, void * in, int samples, int from, int to) { |
---|
41 | int format; |
---|
42 | |
---|
43 | if ( from == to ) { |
---|
44 | if ( in == out ) |
---|
45 | return 0; |
---|
46 | |
---|
47 | memcpy(out, in, samples * from / 8); |
---|
48 | return 0; |
---|
49 | } |
---|
50 | |
---|
51 | format = ((from / 8) << 4) + (to / 8); |
---|
52 | |
---|
53 | switch (format) { |
---|
54 | case 0x12: return roar_conv_bits_8to16( out, in, samples); |
---|
55 | case 0x14: return roar_conv_bits_8to32( out, in, samples); |
---|
56 | case 0x21: return roar_conv_bits_16to8( out, in, samples); |
---|
57 | case 0x24: return roar_conv_bits_16to32(out, in, samples); |
---|
58 | case 0x34: return roar_conv_bits_24to32(out, in, samples); |
---|
59 | case 0x41: return roar_conv_bits_32to8( out, in, samples); |
---|
60 | case 0x42: return roar_conv_bits_32to16(out, in, samples); |
---|
61 | default: |
---|
62 | errno = ENOSYS; |
---|
63 | return -1; |
---|
64 | } |
---|
65 | |
---|
66 | return -1; |
---|
67 | } |
---|
68 | |
---|
69 | int roar_conv_bits_8to16 (void * out, void * in, int samples) { |
---|
70 | char * ip = (char *)in; |
---|
71 | int16_t * op = (int16_t*)out; |
---|
72 | int i; |
---|
73 | |
---|
74 | for (i = samples - 1; i >= 0; i--) |
---|
75 | op[i] = ip[i] << 8; |
---|
76 | |
---|
77 | return 0; |
---|
78 | } |
---|
79 | |
---|
80 | int roar_conv_bits_8to32 (void * out, void * in, int samples) { |
---|
81 | char * ip = (char *)in; |
---|
82 | int32_t * op = (int32_t*)out; |
---|
83 | int i; |
---|
84 | |
---|
85 | for (i = samples - 1; i >= 0; i--) |
---|
86 | op[i] = (int32_t) ip[i] << 24; |
---|
87 | |
---|
88 | return 0; |
---|
89 | } |
---|
90 | |
---|
91 | int roar_conv_bits_16to8 (void * out, void * in, int samples) { |
---|
92 | int16_t * ip = (int16_t*)in; |
---|
93 | char * op = (char *)out; |
---|
94 | int i; |
---|
95 | |
---|
96 | ROAR_DBG("roar_conv_bits_16to8(out=%p, in=%p, samples=%i) = ?", out, in, samples); |
---|
97 | |
---|
98 | for (i = 0; i < samples; i++) |
---|
99 | op[i] = ip[i] >> 8; |
---|
100 | |
---|
101 | return 0; |
---|
102 | } |
---|
103 | |
---|
104 | int roar_conv_bits_16to32 (void * out, void * in, int samples) { |
---|
105 | int16_t * ip = (int16_t*)in; |
---|
106 | int32_t * op = (int32_t*)out; |
---|
107 | int i; |
---|
108 | |
---|
109 | for (i = samples - 1; i >= 0; i--) |
---|
110 | op[i] = (int32_t) ip[i] << 16; |
---|
111 | |
---|
112 | return 0; |
---|
113 | } |
---|
114 | |
---|
115 | int roar_conv_bits_24to32 (void * out, void * in, int samples) { |
---|
116 | uint8_t * ip = (uint8_t*)in; |
---|
117 | int32_t * op = (int32_t*)out; |
---|
118 | int i; |
---|
119 | union { |
---|
120 | int32_t i; |
---|
121 | uint8_t c[4]; |
---|
122 | } t; |
---|
123 | |
---|
124 | ROAR_DBG("roar_conv_bits_24to32(out=%p, in=%p, samples=%i) = ?", out, in, samples); |
---|
125 | |
---|
126 | #if (BYTE_ORDER == BIG_ENDIAN) || (BYTE_ORDER == LITTLE_ENDIAN) |
---|
127 | t.i = 0; |
---|
128 | #else |
---|
129 | ROAR_DBG("roar_conv_bits_24to32(out=%p, in=%p, samples=%i) = -1", out, in, samples); |
---|
130 | return -1; |
---|
131 | #endif |
---|
132 | |
---|
133 | samples--; |
---|
134 | ip += 3 * samples; |
---|
135 | |
---|
136 | for (i = samples; i >= 0; i--) { |
---|
137 | #if BYTE_ORDER == BIG_ENDIAN |
---|
138 | t.c[0] = *(ip--); |
---|
139 | t.c[1] = *(ip--); |
---|
140 | t.c[2] = *(ip--); |
---|
141 | #elif BYTE_ORDER == LITTLE_ENDIAN |
---|
142 | t.c[2] = *(ip--); |
---|
143 | t.c[3] = *(ip--); |
---|
144 | t.c[1] = *(ip--); |
---|
145 | #endif |
---|
146 | ROAR_DBG("roar_conv_bits_24to32(*): i=%i, t.i=0x%.8X", i, t.i); |
---|
147 | op[i] = t.i; |
---|
148 | } |
---|
149 | |
---|
150 | ROAR_DBG("roar_conv_bits_24to32(out=%p, in=%p, samples=%i) = 0", out, in, samples); |
---|
151 | return 0; |
---|
152 | } |
---|
153 | |
---|
154 | int roar_conv_bits_32to8 (void * out, void * in, int samples) { |
---|
155 | int32_t * ip = (int32_t*)in; |
---|
156 | char * op = (char *)out; |
---|
157 | int i; |
---|
158 | |
---|
159 | for (i = 0; i < samples; i++) |
---|
160 | op[i] = ip[i] >> 24; |
---|
161 | |
---|
162 | return 0; |
---|
163 | } |
---|
164 | |
---|
165 | int roar_conv_bits_32to16 (void * out, void * in, int samples) { |
---|
166 | int32_t * ip = (int32_t*)in; |
---|
167 | int16_t * op = (int16_t*)out; |
---|
168 | int i; |
---|
169 | |
---|
170 | for (i = 0; i < samples; i++) |
---|
171 | op[i] = ip[i] >> 16; |
---|
172 | |
---|
173 | return 0; |
---|
174 | } |
---|
175 | |
---|
176 | int roar_conv_chans (void * out, void * in, int samples, int from, int to, int bits) { |
---|
177 | if ( from == to ) { |
---|
178 | if ( in == out ) |
---|
179 | return 0; |
---|
180 | |
---|
181 | memcpy(out, in, samples * from * bits / 8); |
---|
182 | return 0; |
---|
183 | } |
---|
184 | |
---|
185 | switch (bits) { |
---|
186 | case 8: |
---|
187 | switch (from) { |
---|
188 | case 1: |
---|
189 | switch (to) { |
---|
190 | case 2: return roar_conv_chans_1to28(out, in, samples); |
---|
191 | default: return roar_conv_chans_1ton8(out, in, samples, to); |
---|
192 | } |
---|
193 | break; |
---|
194 | case 2: |
---|
195 | switch (to) { |
---|
196 | case 1: return roar_conv_chans_2to18(out, in, samples); |
---|
197 | default: return -1; |
---|
198 | } |
---|
199 | break; |
---|
200 | default: |
---|
201 | switch (to) { |
---|
202 | case 1: return roar_conv_chans_nto18(out, in, samples, from); |
---|
203 | default: return -1; |
---|
204 | } |
---|
205 | } |
---|
206 | break; |
---|
207 | case 16: |
---|
208 | switch (from) { |
---|
209 | case 1: |
---|
210 | switch (to) { |
---|
211 | case 2: return roar_conv_chans_1to216(out, in, samples); |
---|
212 | default: return roar_conv_chans_1ton16(out, in, samples, to); |
---|
213 | } |
---|
214 | break; |
---|
215 | case 2: |
---|
216 | switch (to) { |
---|
217 | case 1: return roar_conv_chans_2to116(out, in, samples); |
---|
218 | case 3: return roar_conv_chans_2to316(out, in, samples); |
---|
219 | case 4: return roar_conv_chans_2to416(out, in, samples); |
---|
220 | case 5: return roar_conv_chans_2to516(out, in, samples); |
---|
221 | case 6: return roar_conv_chans_2to616(out, in, samples); |
---|
222 | default: return -1; |
---|
223 | } |
---|
224 | break; |
---|
225 | case 4: |
---|
226 | switch (to) { |
---|
227 | case 1: return roar_conv_chans_nto116(out, in, samples, 4); |
---|
228 | case 2: return roar_conv_chans_4to216(out, in, samples); |
---|
229 | default: return -1; |
---|
230 | } |
---|
231 | break; |
---|
232 | default: |
---|
233 | switch (to) { |
---|
234 | case 1: return roar_conv_chans_nto116(out, in, samples, from); |
---|
235 | default: return -1; |
---|
236 | } |
---|
237 | } |
---|
238 | break; |
---|
239 | case 32: |
---|
240 | switch (from) { |
---|
241 | case 1: |
---|
242 | switch (to) { |
---|
243 | default: return roar_conv_chans_1ton32(out, in, samples, to); |
---|
244 | } |
---|
245 | break; |
---|
246 | default: |
---|
247 | switch (to) { |
---|
248 | case 1: return roar_conv_chans_nto132(out, in, samples, from); |
---|
249 | default: return -1; |
---|
250 | } |
---|
251 | } |
---|
252 | break; |
---|
253 | default: return -1; |
---|
254 | } |
---|
255 | |
---|
256 | return -1; |
---|
257 | } |
---|
258 | |
---|
259 | int roar_conv_chans_1ton8 (void * out, void * in, int samples, int to) { |
---|
260 | char * ip = (char*) in, * op = (char*) out; |
---|
261 | int i; |
---|
262 | int c; |
---|
263 | |
---|
264 | for (i = samples - 1; i >= 0; i--) |
---|
265 | for (c = to - 1; c >= 0; c--) |
---|
266 | op[i*to + c] = ip[i]; |
---|
267 | |
---|
268 | return 0; |
---|
269 | } |
---|
270 | |
---|
271 | int roar_conv_chans_1to28 (void * out, void * in, int samples) { |
---|
272 | char * ip = (char*) in, * op = (char*) out; |
---|
273 | int i, h; |
---|
274 | |
---|
275 | samples--; |
---|
276 | |
---|
277 | for (i = (h = samples) * 2; i >= 0; i -= 2, h--) { |
---|
278 | op[i + 0] = ip[h]; |
---|
279 | op[i + 1] = ip[h]; |
---|
280 | } |
---|
281 | |
---|
282 | return 0; |
---|
283 | } |
---|
284 | |
---|
285 | int roar_conv_chans_1ton16 (void * out, void * in, int samples, int to) { |
---|
286 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
287 | int i; |
---|
288 | int c; |
---|
289 | |
---|
290 | for (i = samples - 1; i >= 0; i--) |
---|
291 | for (c = to - 1; c >= 0; c--) |
---|
292 | op[i*to + c] = ip[i]; |
---|
293 | |
---|
294 | return 0; |
---|
295 | } |
---|
296 | |
---|
297 | int roar_conv_chans_1ton32 (void * out, void * in, int samples, int to) { |
---|
298 | int32_t * ip = (int32_t*) in, * op = (int32_t*) out; |
---|
299 | int i; |
---|
300 | int c; |
---|
301 | |
---|
302 | for (i = samples - 1; i >= 0; i--) |
---|
303 | for (c = to - 1; c >= 0; c--) |
---|
304 | op[i*to + c] = ip[i]; |
---|
305 | |
---|
306 | return 0; |
---|
307 | } |
---|
308 | |
---|
309 | int roar_conv_chans_1to216 (void * out, void * in, int samples) { |
---|
310 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
311 | int i, h; |
---|
312 | |
---|
313 | samples--; |
---|
314 | |
---|
315 | for (i = (h = samples) * 2; i >= 0; i -= 2, h--) { |
---|
316 | op[i + 0] = ip[h]; |
---|
317 | op[i + 1] = ip[h]; |
---|
318 | } |
---|
319 | |
---|
320 | return 0; |
---|
321 | } |
---|
322 | |
---|
323 | int roar_conv_chans_nto18 (void * out, void * in, int samples, int from) { |
---|
324 | int8_t * ip = (int8_t*) in, * op = (int8_t*) out; |
---|
325 | int i; |
---|
326 | int c; |
---|
327 | register int s; |
---|
328 | |
---|
329 | samples /= from; |
---|
330 | |
---|
331 | for (i = 0; i < samples; i++) { |
---|
332 | s = 0; |
---|
333 | |
---|
334 | for (c = 0; c < from; c++) |
---|
335 | s += ip[i*from + c]; |
---|
336 | |
---|
337 | s /= from; |
---|
338 | op[i] = s; |
---|
339 | } |
---|
340 | |
---|
341 | return 0; |
---|
342 | } |
---|
343 | |
---|
344 | int roar_conv_chans_2to18 (void * out, void * in, int samples) { |
---|
345 | int8_t * ip = (int8_t*) in, * op = (int8_t*) out; |
---|
346 | int i, h; |
---|
347 | |
---|
348 | for (h = i = 0; i < samples; i += 2, h++) |
---|
349 | op[h] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
350 | |
---|
351 | return 0; |
---|
352 | } |
---|
353 | |
---|
354 | int roar_conv_chans_nto116 (void * out, void * in, int samples, int from) { |
---|
355 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
356 | int i; |
---|
357 | int c; |
---|
358 | register int s; |
---|
359 | |
---|
360 | samples /= from; |
---|
361 | |
---|
362 | for (i = 0; i < samples; i++) { |
---|
363 | s = 0; |
---|
364 | |
---|
365 | for (c = 0; c < from; c++) |
---|
366 | s += ip[i*from + c]; |
---|
367 | |
---|
368 | s /= from; |
---|
369 | op[i] = s; |
---|
370 | } |
---|
371 | |
---|
372 | return 0; |
---|
373 | } |
---|
374 | |
---|
375 | int roar_conv_chans_nto132 (void * out, void * in, int samples, int from) { |
---|
376 | int32_t * ip = (int32_t*) in, * op = (int32_t*) out; |
---|
377 | int i; |
---|
378 | int c; |
---|
379 | register int s; |
---|
380 | |
---|
381 | samples /= from; |
---|
382 | |
---|
383 | for (i = 0; i < samples; i++) { |
---|
384 | s = 0; |
---|
385 | |
---|
386 | for (c = 0; c < from; c++) |
---|
387 | s += ip[i*from + c]; |
---|
388 | |
---|
389 | s /= from; |
---|
390 | op[i] = s; |
---|
391 | } |
---|
392 | |
---|
393 | return 0; |
---|
394 | } |
---|
395 | |
---|
396 | int roar_conv_chans_2to116 (void * out, void * in, int samples) { |
---|
397 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
398 | int i, h; |
---|
399 | |
---|
400 | ROAR_DBG("roar_conv_chans_2to116(out=%p, in=%p, samples=%i) = ?", out, in, samples); |
---|
401 | |
---|
402 | for (h = i = 0; i < samples; i += 2, h++) { |
---|
403 | ROAR_DBG("roar_conv_chans_2to116(out=%p, in=%p, samples=%i): op[%i] = (ip[%i] + ip[%i])/2", out, in, samples, h, i, i+1); |
---|
404 | op[h] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
405 | } |
---|
406 | |
---|
407 | return 0; |
---|
408 | } |
---|
409 | |
---|
410 | int roar_conv_chans_2to38 (void * out, void * in, int samples); |
---|
411 | int roar_conv_chans_2to316 (void * out, void * in, int samples) { |
---|
412 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
413 | int i, h; |
---|
414 | |
---|
415 | samples -= 2; |
---|
416 | |
---|
417 | i = samples; |
---|
418 | h = (samples / 2) * 3; |
---|
419 | |
---|
420 | for (; i >= 0; i -= 2, h -= 3) { |
---|
421 | op[h+0] = ip[i+0]; |
---|
422 | op[h+1] = ip[i+1]; |
---|
423 | op[h+2] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
424 | } |
---|
425 | |
---|
426 | return 0; |
---|
427 | } |
---|
428 | |
---|
429 | int roar_conv_chans_2to48 (void * out, void * in, int samples); |
---|
430 | int roar_conv_chans_2to416 (void * out, void * in, int samples) { |
---|
431 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
432 | int i, h; |
---|
433 | |
---|
434 | samples -= 2; |
---|
435 | |
---|
436 | i = samples; |
---|
437 | h = (samples / 2) * 4; |
---|
438 | |
---|
439 | for (; i >= 0; i -= 2, h -= 4) { |
---|
440 | op[h+0] = ip[i+0]; |
---|
441 | op[h+1] = ip[i+1]; |
---|
442 | op[h+2] = ip[i+0]; |
---|
443 | op[h+3] = ip[i+1]; |
---|
444 | } |
---|
445 | |
---|
446 | return 0; |
---|
447 | } |
---|
448 | |
---|
449 | int roar_conv_chans_2to58 (void * out, void * in, int samples); |
---|
450 | int roar_conv_chans_2to516 (void * out, void * in, int samples) { |
---|
451 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
452 | int i, h; |
---|
453 | |
---|
454 | samples -= 2; |
---|
455 | |
---|
456 | i = samples; |
---|
457 | h = (samples / 2) * 5; |
---|
458 | |
---|
459 | for (; i >= 0; i -= 2, h -= 5) { |
---|
460 | op[h+0] = ip[i+0]; |
---|
461 | op[h+1] = ip[i+1]; |
---|
462 | op[h+2] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
463 | op[h+3] = ip[i+0]; |
---|
464 | op[h+4] = ip[i+1]; |
---|
465 | } |
---|
466 | |
---|
467 | return 0; |
---|
468 | } |
---|
469 | int roar_conv_chans_2to68 (void * out, void * in, int samples); |
---|
470 | int roar_conv_chans_2to616 (void * out, void * in, int samples) { |
---|
471 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
472 | int i, h; |
---|
473 | |
---|
474 | samples -= 2; |
---|
475 | |
---|
476 | i = samples; |
---|
477 | h = (samples / 2) * 6; |
---|
478 | |
---|
479 | for (; i >= 0; i -= 2, h -= 6) { |
---|
480 | op[h+0] = ip[i+0]; |
---|
481 | op[h+1] = ip[i+1]; |
---|
482 | op[h+2] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
483 | op[h+3] = op[h+2]; |
---|
484 | op[h+4] = ip[i+0]; |
---|
485 | op[h+5] = ip[i+1]; |
---|
486 | } |
---|
487 | |
---|
488 | return 0; |
---|
489 | } |
---|
490 | |
---|
491 | int roar_conv_chans_3to28 (void * out, void * in, int samples); |
---|
492 | int roar_conv_chans_3to216 (void * out, void * in, int samples); |
---|
493 | int roar_conv_chans_4to28 (void * out, void * in, int samples); |
---|
494 | int roar_conv_chans_4to216 (void * out, void * in, int samples) { |
---|
495 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
496 | int i, h; |
---|
497 | |
---|
498 | samples -= 4; |
---|
499 | |
---|
500 | for (i = h = 0; i < samples; i += 4, h += 2) { |
---|
501 | op[h+0] = ((int)ip[i + 0] + (int)ip[i + 2]) / 2; |
---|
502 | op[h+1] = ((int)ip[i + 1] + (int)ip[i + 3]) / 2; |
---|
503 | } |
---|
504 | |
---|
505 | return 0; |
---|
506 | } |
---|
507 | |
---|
508 | int roar_conv_chans_5to28 (void * out, void * in, int samples); |
---|
509 | int roar_conv_chans_5to216 (void * out, void * in, int samples); |
---|
510 | int roar_conv_chans_6to28 (void * out, void * in, int samples); |
---|
511 | int roar_conv_chans_6to216 (void * out, void * in, int samples); |
---|
512 | |
---|
513 | |
---|
514 | |
---|
515 | int roar_conv_rate (void * out, void * in, int samples, int from, int to, int bits, int channels) { |
---|
516 | #ifdef ROAR_HAVE_LIBSAMPLERATE |
---|
517 | return roar_conv_rate_SRC(out, in, samples, from, to, bits, channels); |
---|
518 | #else |
---|
519 | if ( bits == 8 ) |
---|
520 | return roar_conv_rate_8(out, in, samples, from, to, channels); |
---|
521 | |
---|
522 | if ( bits == 16 ) |
---|
523 | return roar_conv_rate_16(out, in, samples, from, to, channels); |
---|
524 | |
---|
525 | return -1; |
---|
526 | #endif |
---|
527 | } |
---|
528 | |
---|
529 | int roar_conv_rate_8 (void * out, void * in, int samples, int from, int to, int channels) { |
---|
530 | return -1; |
---|
531 | } |
---|
532 | |
---|
533 | int roar_conv_rate_16 (void * out, void * in, int samples, int from, int to, int channels) { |
---|
534 | if ( from > to ) { |
---|
535 | switch (channels) { |
---|
536 | case 1: |
---|
537 | return roar_conv_rate_161zoh(out, in, samples, from, to); |
---|
538 | case 2: |
---|
539 | return roar_conv_rate_162zoh(out, in, samples, from, to); |
---|
540 | default: |
---|
541 | return -1; |
---|
542 | } |
---|
543 | } else { |
---|
544 | if ( channels == 1 ) { |
---|
545 | printf("roar_conv_rate_16(): samples=%i -> %i, rate=%i -> %i\n", samples*from/to, samples, from, to); |
---|
546 | return roar_conv_poly4_16s((int16_t*) out, (int16_t*) in, samples, samples*from/to, (float)from/to); |
---|
547 | // return roar_conv_poly4_16((int16_t*) out, (int16_t*) in, samples*to/from, samples); |
---|
548 | } |
---|
549 | } |
---|
550 | |
---|
551 | return -1; |
---|
552 | } |
---|
553 | |
---|
554 | int roar_conv_rate_161zoh(void * out, void * in, int samples, int from, int to) { |
---|
555 | int16_t * ip = in; |
---|
556 | int16_t * op = out; |
---|
557 | float t = 0; |
---|
558 | float step = (float)to/from; |
---|
559 | int i; |
---|
560 | |
---|
561 | for (i= 0; i < samples; i++) { |
---|
562 | op[(int)t] = ip[i]; |
---|
563 | t += step; |
---|
564 | } |
---|
565 | |
---|
566 | return 0; |
---|
567 | } |
---|
568 | |
---|
569 | int roar_conv_rate_162zoh(void * out, void * in, int samples, int from, int to) { |
---|
570 | int16_t * ip = in; |
---|
571 | int16_t * op = out; |
---|
572 | float t = 0; |
---|
573 | float step = (float)to/from; |
---|
574 | int i; |
---|
575 | |
---|
576 | ROAR_DBG("roar_conv_rate_162zoh(*): samples=%i", samples); |
---|
577 | samples /= 2; |
---|
578 | // samples -= 1; |
---|
579 | ROAR_DBG("roar_conv_rate_162zoh(*): samples=%i", samples); |
---|
580 | |
---|
581 | for (i= 0; i < samples; i++) { |
---|
582 | ROAR_DBG("roar_conv_rate_162zoh(*): t=%f, i=%i // op[%i] = ip[%i]", t, i, 2*(int)t, 2*i); |
---|
583 | op[2*(int)t ] = ip[2*i ]; |
---|
584 | op[2*(int)t + 1] = ip[2*i + 1]; |
---|
585 | t += step; |
---|
586 | } |
---|
587 | |
---|
588 | return 0; |
---|
589 | } |
---|
590 | |
---|
591 | int roar_conv_rate_SRC (void * out, void * in, int samples, int from, int to, int bits, int channels) { |
---|
592 | #ifdef ROAR_HAVE_LIBSAMPLERATE |
---|
593 | double radio = (double) to / (double) from; |
---|
594 | int outsamples = radio * samples; |
---|
595 | float * inf = roar_mm_malloc(samples*sizeof(float)); |
---|
596 | float * outf = roar_mm_malloc(outsamples*sizeof(float)); |
---|
597 | int i; |
---|
598 | SRC_DATA srcdata; |
---|
599 | |
---|
600 | ROAR_DBG("roar_conv_rate_SRC(*): radio=%lf, samples=%i, outsamples=%i", radio, samples, outsamples); |
---|
601 | |
---|
602 | if ( inf == NULL ) { |
---|
603 | if ( outf != NULL ) |
---|
604 | roar_mm_free(outf); |
---|
605 | |
---|
606 | return -1; |
---|
607 | } |
---|
608 | |
---|
609 | if ( outf == NULL ) { |
---|
610 | if ( inf != NULL ) |
---|
611 | roar_mm_free(inf); |
---|
612 | |
---|
613 | return -1; |
---|
614 | } |
---|
615 | |
---|
616 | switch (bits) { |
---|
617 | case 8: |
---|
618 | for (i = 0; i < samples; i++) |
---|
619 | inf[i] = *(((int8_t *)in)+i) / 128.0; |
---|
620 | break; |
---|
621 | case 16: |
---|
622 | for (i = 0; i < samples; i++) |
---|
623 | inf[i] = *(((int16_t*)in)+i) / 32768.0; |
---|
624 | break; |
---|
625 | case 32: |
---|
626 | for (i = 0; i < samples; i++) |
---|
627 | inf[i] = *(((int32_t*)in)+i) / 2147483648.0; |
---|
628 | break; |
---|
629 | default: |
---|
630 | roar_mm_free(outf); |
---|
631 | roar_mm_free(inf); |
---|
632 | return -1; |
---|
633 | } |
---|
634 | |
---|
635 | srcdata.data_in = inf; |
---|
636 | srcdata.data_out = outf; |
---|
637 | srcdata.input_frames = samples/channels; |
---|
638 | srcdata.output_frames = outsamples/channels; |
---|
639 | srcdata.src_ratio = radio; |
---|
640 | |
---|
641 | if ( src_simple(&srcdata, SRC_ZERO_ORDER_HOLD, channels) != 0 ) { |
---|
642 | roar_mm_free(outf); |
---|
643 | roar_mm_free(inf); |
---|
644 | return -1; |
---|
645 | } |
---|
646 | |
---|
647 | switch (bits) { |
---|
648 | case 8: |
---|
649 | for (i = 0; i < outsamples; i++) |
---|
650 | *(((int8_t *)out)+i) = outf[i] * 128.0; |
---|
651 | break; |
---|
652 | case 16: |
---|
653 | for (i = 0; i < outsamples; i++) |
---|
654 | *(((int16_t*)out)+i) = outf[i] * 32768.0; |
---|
655 | break; |
---|
656 | case 32: |
---|
657 | for (i = 0; i < outsamples; i++) |
---|
658 | *(((int32_t*)out)+i) = outf[i] * 2147483648.0; |
---|
659 | break; |
---|
660 | // no errors here, they are handled above |
---|
661 | } |
---|
662 | |
---|
663 | roar_mm_free(outf); |
---|
664 | roar_mm_free(inf); |
---|
665 | |
---|
666 | return 0; |
---|
667 | #else |
---|
668 | return -1; |
---|
669 | #endif |
---|
670 | } |
---|
671 | |
---|
672 | int roar_conv_rate2 (void * out, void * in, int outsamples, int samples, int bits, int channels) { |
---|
673 | ROAR_DBG("roar_conv_rate2(out=%p, in=%p, samples=%i, outsamples=%i, bits=%i, channels=%i) = ?", out, in, samples, outsamples, bits, channels); |
---|
674 | switch (bits) { |
---|
675 | case 8: |
---|
676 | return roar_conv_poly3_8(out, in, outsamples, samples, channels); |
---|
677 | break; |
---|
678 | case 16: |
---|
679 | return roar_conv_poly3_16(out, in, outsamples, samples, channels); |
---|
680 | break; |
---|
681 | case 32: |
---|
682 | return roar_conv_poly3_32(out, in, outsamples, samples, channels); |
---|
683 | break; |
---|
684 | } |
---|
685 | return -1; |
---|
686 | } |
---|
687 | |
---|
688 | int roar_conv_signedness (void * out, void * in, int samples, int from, int to, int bits) { |
---|
689 | |
---|
690 | if ( from != to ) { |
---|
691 | if ( from && !to ) { |
---|
692 | switch (bits) { |
---|
693 | case 8: roar_conv_codec_s2u8( out, in, samples); break; |
---|
694 | case 16: roar_conv_codec_s2u16(out, in, samples); break; |
---|
695 | case 32: roar_conv_codec_s2u32(out, in, samples); break; |
---|
696 | default: |
---|
697 | errno = ENOSYS; |
---|
698 | return -1; |
---|
699 | } |
---|
700 | } else if ( !from && to ) { |
---|
701 | switch (bits) { |
---|
702 | case 8: roar_conv_codec_u2s8( out, in, samples); break; |
---|
703 | case 16: roar_conv_codec_u2s16(out, in, samples); break; |
---|
704 | case 32: roar_conv_codec_u2s32(out, in, samples); break; |
---|
705 | default: |
---|
706 | errno = ENOSYS; |
---|
707 | return -1; |
---|
708 | } |
---|
709 | } else { |
---|
710 | return -1; |
---|
711 | } |
---|
712 | } else { |
---|
713 | if ( out == in ) |
---|
714 | return 0; |
---|
715 | |
---|
716 | memcpy(out, in, samples * bits / 8); |
---|
717 | return 0; |
---|
718 | } |
---|
719 | |
---|
720 | return 0; |
---|
721 | } |
---|
722 | |
---|
723 | int roar_conv_codec (void * out, void * in, int samples, int from, int to, int bits) { |
---|
724 | int inbo = ROAR_CODEC_BYTE_ORDER(from), outbo = ROAR_CODEC_BYTE_ORDER(to); |
---|
725 | int ins = ROAR_CODEC_IS_SIGNED(from), outs = ROAR_CODEC_IS_SIGNED(to); |
---|
726 | void * nin = in; |
---|
727 | |
---|
728 | |
---|
729 | ROAR_DBG("roar_conv_codec(out=%p, in=%p, samples=%i, from=%i(%s), to=%i(%s), bits=%i) = ?", |
---|
730 | out, in, samples, from, roar_codec2str(from), to, roar_codec2str(to), bits); |
---|
731 | |
---|
732 | roar_conv_endian(out, in, samples, inbo, outbo, bits); |
---|
733 | nin = out; |
---|
734 | |
---|
735 | return roar_conv_signedness(out, in, samples, ins, outs, bits); |
---|
736 | } |
---|
737 | |
---|
738 | int roar_conv_codec_s2u8 (void * out, void * in, int samples) { |
---|
739 | char * ip = in; |
---|
740 | unsigned char * op = out; |
---|
741 | int i; |
---|
742 | |
---|
743 | for(i = 0; i < samples; i++) |
---|
744 | op[i] = ip[i] + 128; |
---|
745 | |
---|
746 | return 0; |
---|
747 | } |
---|
748 | |
---|
749 | int roar_conv_codec_s2u16 (void * out, void * in, int samples) { |
---|
750 | int16_t * ip = in; |
---|
751 | uint16_t * op = out; |
---|
752 | int i; |
---|
753 | |
---|
754 | for(i = 0; i < samples; i++) |
---|
755 | op[i] = ip[i] + 32768; |
---|
756 | |
---|
757 | return 0; |
---|
758 | } |
---|
759 | |
---|
760 | int roar_conv_codec_s2u32 (void * out, void * in, int samples) { |
---|
761 | int32_t * ip = in; |
---|
762 | uint32_t * op = out; |
---|
763 | int i; |
---|
764 | |
---|
765 | for(i = 0; i < samples; i++) |
---|
766 | op[i] = ip[i] + 2147483648U; |
---|
767 | |
---|
768 | return 0; |
---|
769 | } |
---|
770 | |
---|
771 | int roar_conv_codec_u2s8 (void * out, void * in, int samples) { |
---|
772 | unsigned char * ip = in; |
---|
773 | char * op = out; |
---|
774 | int i; |
---|
775 | |
---|
776 | for(i = 0; i < samples; i++) |
---|
777 | op[i] = ip[i] - 128; |
---|
778 | |
---|
779 | return 0; |
---|
780 | } |
---|
781 | |
---|
782 | int roar_conv_codec_u2s16 (void * out, void * in, int samples) { |
---|
783 | uint16_t * ip = in; |
---|
784 | int16_t * op = out; |
---|
785 | int i; |
---|
786 | |
---|
787 | for(i = 0; i < samples; i++) |
---|
788 | op[i] = ip[i] - 32768; |
---|
789 | |
---|
790 | return 0; |
---|
791 | } |
---|
792 | |
---|
793 | int roar_conv_codec_u2s32 (void * out, void * in, int samples) { |
---|
794 | uint32_t * ip = in; |
---|
795 | int32_t * op = out; |
---|
796 | int i; |
---|
797 | |
---|
798 | for(i = 0; i < samples; i++) |
---|
799 | op[i] = ip[i] - 2147483648U; |
---|
800 | |
---|
801 | return 0; |
---|
802 | } |
---|
803 | |
---|
804 | |
---|
805 | int roar_conv_endian (void * out, void * in, int samples, int from, int to, int bits) { |
---|
806 | |
---|
807 | if ( bits == 8 ) { |
---|
808 | from = to = ROAR_CODEC_NATIVE_ENDIAN; |
---|
809 | |
---|
810 | } else if ( bits == 16 ) { |
---|
811 | if ( from == ROAR_CODEC_PDP ) |
---|
812 | from = ROAR_CODEC_LE; |
---|
813 | if ( to == ROAR_CODEC_PDP ) |
---|
814 | to = ROAR_CODEC_LE; |
---|
815 | } |
---|
816 | |
---|
817 | ROAR_DBG("roar_conv_endian(out=%p, in=%p, samples=%i, from=%i, to=%i, bits=%i) = ?", out, in, samples, from, to, bits); |
---|
818 | |
---|
819 | if ( from == to ) { |
---|
820 | if ( in != out ) { |
---|
821 | memcpy(out, in, samples * bits / 8); |
---|
822 | } |
---|
823 | return 0; |
---|
824 | } else { |
---|
825 | switch (bits) { |
---|
826 | case 16: |
---|
827 | // in this case we can only have LE vs. BE, so, only need to swap: |
---|
828 | ROAR_DBG("roar_conv_endian(*): Doing 16 bit byteswap"); |
---|
829 | return roar_conv_endian_16(out, in, samples); |
---|
830 | break; |
---|
831 | case 24: |
---|
832 | if ( (from == ROAR_CODEC_LE || from == ROAR_CODEC_BE) && (to == ROAR_CODEC_LE || to == ROAR_CODEC_BE) ) { |
---|
833 | return roar_conv_endian_24(out, in, samples); |
---|
834 | } else { // what the hell is PDP eddines in 24 bit mode? |
---|
835 | return -1; |
---|
836 | } |
---|
837 | break; |
---|
838 | case 32: |
---|
839 | if ( (from == ROAR_CODEC_LE || from == ROAR_CODEC_BE) && (to == ROAR_CODEC_LE || to == ROAR_CODEC_BE) ) { |
---|
840 | return roar_conv_endian_32(out, in, samples); |
---|
841 | } else { // need to handle 32 PDP eddines here? |
---|
842 | if ( from == ROAR_CODEC_BE ) |
---|
843 | if ( roar_conv_endian_32(out, in, samples) == -1 ) |
---|
844 | return -1; |
---|
845 | |
---|
846 | if ( roar_conv_endian_16(out, in, samples*2) == -1 ) |
---|
847 | return -1; |
---|
848 | |
---|
849 | if ( to == ROAR_CODEC_BE ) |
---|
850 | if ( roar_conv_endian_32(out, in, samples) == -1 ) |
---|
851 | return -1; |
---|
852 | |
---|
853 | return 0; |
---|
854 | } |
---|
855 | break; |
---|
856 | default: |
---|
857 | return -1; |
---|
858 | break; |
---|
859 | } |
---|
860 | } |
---|
861 | |
---|
862 | return -1; |
---|
863 | } |
---|
864 | |
---|
865 | |
---|
866 | int roar_conv_endian_16 (void * out, void * in, int samples) { |
---|
867 | char * ip = in; |
---|
868 | char * op = out; |
---|
869 | register char c; |
---|
870 | int i; |
---|
871 | |
---|
872 | samples *= 2; |
---|
873 | |
---|
874 | if ( out != in ) { |
---|
875 | // printf("out != in\n"); |
---|
876 | for(i = 0; i < samples; i += 2) { |
---|
877 | // printf("op[%i] = ip[%i]\nop[%i] = ip[%i]\n", i, i+1, i+1, i); |
---|
878 | op[i ] = ip[i+1]; |
---|
879 | op[i+1] = ip[i ]; |
---|
880 | } |
---|
881 | } else { |
---|
882 | // printf("out == in\n"); |
---|
883 | for(i = 0; i < samples; i += 2) { |
---|
884 | c = ip[i+1]; |
---|
885 | op[i+1] = ip[i ]; |
---|
886 | op[i ] = c; |
---|
887 | } |
---|
888 | } |
---|
889 | |
---|
890 | return 0; |
---|
891 | } |
---|
892 | |
---|
893 | int roar_conv_endian_24 (void * out, void * in, int samples) { |
---|
894 | char * ip = in; |
---|
895 | char * op = out; |
---|
896 | register char c; |
---|
897 | int i; |
---|
898 | |
---|
899 | samples *= 3; |
---|
900 | |
---|
901 | if ( out != in ) { |
---|
902 | // printf("out != in\n"); |
---|
903 | for(i = 0; i < samples; i += 3) { |
---|
904 | // printf("op[%i] = ip[%i]\nop[%i] = ip[%i]\n", i, i+1, i+1, i); |
---|
905 | op[i ] = ip[i+2]; |
---|
906 | op[i+2] = ip[i ]; |
---|
907 | } |
---|
908 | } else { |
---|
909 | // printf("out == in\n"); |
---|
910 | for(i = 0; i < samples; i += 3) { |
---|
911 | c = ip[i+2]; |
---|
912 | op[i+2] = ip[i ]; |
---|
913 | op[i ] = c; |
---|
914 | } |
---|
915 | } |
---|
916 | |
---|
917 | return 0; |
---|
918 | } |
---|
919 | |
---|
920 | int roar_conv_endian_32 (void * out, void * in, int samples) { |
---|
921 | int32_t * ip = in; |
---|
922 | int32_t * op = out; |
---|
923 | union { |
---|
924 | int32_t val; |
---|
925 | char data[4]; |
---|
926 | } c, h; |
---|
927 | int i; |
---|
928 | |
---|
929 | // may the holly optimizer save our souls! |
---|
930 | |
---|
931 | ROAR_DBG("roar_conv_endian_32(out=%p, in=%p, samples=%i) = ?", out, in, samples); |
---|
932 | |
---|
933 | for (i = 0; i < samples; i++) { |
---|
934 | c.val = ip[i]; |
---|
935 | h.data[0] = c.data[3]; |
---|
936 | h.data[1] = c.data[2]; |
---|
937 | h.data[2] = c.data[1]; |
---|
938 | h.data[3] = c.data[0]; |
---|
939 | op[i] = h.val; |
---|
940 | } |
---|
941 | |
---|
942 | return 0; |
---|
943 | } |
---|
944 | |
---|
945 | int roar_conv (void * out, void * in, int samples, struct roar_audio_info * from, struct roar_audio_info * to) { |
---|
946 | void * ip = in; |
---|
947 | void * real_out = NULL; |
---|
948 | size_t from_size, to_size; |
---|
949 | |
---|
950 | // TODO: decide how to work around both in and out beeing to small to hold all |
---|
951 | // data between the steps. |
---|
952 | // for the moment: guess out >= in |
---|
953 | |
---|
954 | from_size = (from->bits * samples) / 8; |
---|
955 | to_size = ( to->bits * samples * to->rate * to->channels) / (8 * from->rate * from->channels); |
---|
956 | |
---|
957 | ROAR_DBG("roar_conv(*): size: %i->%i", from_size, to_size); |
---|
958 | |
---|
959 | if ( to_size < from_size ) { |
---|
960 | real_out = out; |
---|
961 | |
---|
962 | if ( (out = roar_mm_malloc(from_size)) == NULL ) |
---|
963 | return -1; |
---|
964 | |
---|
965 | ROAR_DBG("roar_conv(*): roar_mm_malloc(%i)=%p", (int)from_size, out); |
---|
966 | } |
---|
967 | |
---|
968 | ROAR_DBG("roar_conv(*): bo conv: %i->%i(native)", ROAR_CODEC_BYTE_ORDER(from->codec), ROAR_CODEC_NATIVE_ENDIAN); |
---|
969 | |
---|
970 | if ( ROAR_CODEC_BYTE_ORDER(from->codec) != ROAR_CODEC_NATIVE_ENDIAN ) { |
---|
971 | ROAR_DBG("roar_conv(*): doing bo input conv"); |
---|
972 | if ( roar_conv_endian(out, ip, samples, ROAR_CODEC_BYTE_ORDER(from->codec), ROAR_CODEC_NATIVE_ENDIAN, from->bits) == -1 ) { |
---|
973 | if ( to_size < from_size ) |
---|
974 | roar_mm_free(out); |
---|
975 | return -1; |
---|
976 | } else { |
---|
977 | ip = out; |
---|
978 | } |
---|
979 | } |
---|
980 | |
---|
981 | if ( from->bits != to->bits ) { |
---|
982 | if ( roar_conv_bits(out, ip, samples, from->bits, to->bits) == -1 ) { |
---|
983 | if ( to_size < from_size ) |
---|
984 | roar_mm_free(out); |
---|
985 | return -1; |
---|
986 | } else { |
---|
987 | ip = out; |
---|
988 | } |
---|
989 | } |
---|
990 | |
---|
991 | if ( ROAR_CODEC_IS_SIGNED(from->codec) != ROAR_CODEC_IS_SIGNED(to->codec) ) { |
---|
992 | if ( roar_conv_signedness(out, ip, samples, ROAR_CODEC_IS_SIGNED(from->codec), ROAR_CODEC_IS_SIGNED(to->codec), to->bits) == -1 ) { |
---|
993 | if ( to_size < from_size ) |
---|
994 | roar_mm_free(out); |
---|
995 | return -1; |
---|
996 | } else { |
---|
997 | ip = out; |
---|
998 | } |
---|
999 | } |
---|
1000 | |
---|
1001 | /* |
---|
1002 | if ( from->codec != to->codec ) { |
---|
1003 | if ( roar_conv_codec (out, ip, samples, from->codec, to->codec, to->bits) == -1 ) |
---|
1004 | return -1; |
---|
1005 | else |
---|
1006 | ip = out; |
---|
1007 | } |
---|
1008 | */ |
---|
1009 | |
---|
1010 | if ( from->rate != to->rate ) { |
---|
1011 | if ( roar_conv_rate(out, ip, samples, from->rate, to->rate, to->bits, from->channels) == -1 ) { |
---|
1012 | ROAR_DBG("roar_conv(*): failed to convert rate %i->%i (%ich%ibits)", from->rate, to->rate, to->bits, from->channels); |
---|
1013 | if ( to_size < from_size ) |
---|
1014 | roar_mm_free(out); |
---|
1015 | return -1; |
---|
1016 | } else { |
---|
1017 | ip = out; |
---|
1018 | samples = (samples * to->rate) / from->rate; |
---|
1019 | } |
---|
1020 | } |
---|
1021 | |
---|
1022 | if ( from->channels != to->channels ) { |
---|
1023 | if ( roar_conv_chans(out, ip, samples, from->channels, to->channels, to->bits) == -1 ) { |
---|
1024 | if ( to_size < from_size ) |
---|
1025 | roar_mm_free(out); |
---|
1026 | return -1; |
---|
1027 | } else { |
---|
1028 | ip = out; |
---|
1029 | } |
---|
1030 | } |
---|
1031 | |
---|
1032 | if ( ROAR_CODEC_BYTE_ORDER(to->codec) != ROAR_CODEC_NATIVE_ENDIAN ) { |
---|
1033 | if ( roar_conv_endian(out, ip, samples, ROAR_CODEC_NATIVE_ENDIAN, ROAR_CODEC_BYTE_ORDER(to->codec), to->bits) == -1 ) { |
---|
1034 | if ( to_size < from_size ) |
---|
1035 | roar_mm_free(out); |
---|
1036 | return -1; |
---|
1037 | } else { |
---|
1038 | ip = out; |
---|
1039 | } |
---|
1040 | } |
---|
1041 | |
---|
1042 | if ( to_size < from_size ) { |
---|
1043 | ROAR_DBG("roar_conv(*): memcpy(%p, %p, %i) = ?", real_out, out, (int)to_size); |
---|
1044 | memcpy(real_out, out, to_size); |
---|
1045 | roar_mm_free(out); |
---|
1046 | ROAR_DBG("roar_conv(*): free(%p): OK!", out); |
---|
1047 | } |
---|
1048 | |
---|
1049 | return 0; |
---|
1050 | } |
---|
1051 | |
---|
1052 | int roar_conv2(void * out, void * in, |
---|
1053 | size_t inlen, |
---|
1054 | struct roar_audio_info * from, struct roar_audio_info * to, |
---|
1055 | size_t bufsize) { |
---|
1056 | size_t samples; |
---|
1057 | // size_t needed_buffer; |
---|
1058 | void * cin = in; |
---|
1059 | struct roar_audio_info cinfo; |
---|
1060 | int need_signed = 0; |
---|
1061 | size_t outsamples; |
---|
1062 | |
---|
1063 | memcpy(&cinfo, from, sizeof(cinfo)); |
---|
1064 | |
---|
1065 | ROAR_DBG("roar_conv2(out=%p, in=%p, inlen=%lu, from=%p{...}, to=%p{...}, bufsize=%lu", out, in, (unsigned long int)inlen, from, to, (unsigned long int)bufsize); |
---|
1066 | |
---|
1067 | /* |
---|
1068 | if ( in != out ) { |
---|
1069 | memset(out, 0xA0, bufsize); |
---|
1070 | } else { |
---|
1071 | ROAR_WARN("roar_conv2(*): in==out!"); |
---|
1072 | memset(out+inlen, 0xA0, bufsize-inlen); |
---|
1073 | } |
---|
1074 | */ |
---|
1075 | |
---|
1076 | // calculate number of input samples: |
---|
1077 | samples = (inlen * 8) / (from->bits); |
---|
1078 | |
---|
1079 | ROAR_DBG("roar_conv2(*): input samples: %i", samples); |
---|
1080 | |
---|
1081 | #if 0 |
---|
1082 | // calculate size per frame |
---|
1083 | needed_buffer = ROAR_MAX(from->channels, to->channels) * ROAR_MAX(from->bits, to->bits) / 8; |
---|
1084 | |
---|
1085 | needed_buffer *= samples; |
---|
1086 | needed_buffer /= from->channels; |
---|
1087 | |
---|
1088 | if ( from->rate < to->rate ) |
---|
1089 | needed_buffer *= (float)to->rate/(float)from->rate; |
---|
1090 | |
---|
1091 | ROAR_DBG("roar_conv2(*): needed_buffer=%u, bufsize=%u", needed_buffer, bufsize); |
---|
1092 | |
---|
1093 | // check if we have enogth RAM to convert |
---|
1094 | if ( needed_buffer > bufsize ) |
---|
1095 | return -1; |
---|
1096 | #endif |
---|
1097 | |
---|
1098 | if ( from->rate != to->rate || from->channels != to->channels ) |
---|
1099 | need_signed = 1; |
---|
1100 | |
---|
1101 | ROAR_DBG("roar_conv2(*): need_signed=%i", need_signed); |
---|
1102 | |
---|
1103 | if ( ROAR_CODEC_BYTE_ORDER(from->codec) != ROAR_CODEC_NATIVE_ENDIAN ) { |
---|
1104 | ROAR_DBG("roar_conv2(*): doing bo input conv"); |
---|
1105 | if ( roar_conv_endian(out, cin, samples, |
---|
1106 | ROAR_CODEC_BYTE_ORDER(from->codec), ROAR_CODEC_NATIVE_ENDIAN, from->bits) == -1 ) { |
---|
1107 | return -1; |
---|
1108 | } |
---|
1109 | cin = out; |
---|
1110 | } |
---|
1111 | |
---|
1112 | if ( to->bits > from->bits ) { |
---|
1113 | ROAR_DBG("roar_conv2(*): bits: %i->%i", from->bits, to->bits); |
---|
1114 | if ( roar_conv_bits(out, cin, samples, from->bits, to->bits) == -1 ) |
---|
1115 | return -1; |
---|
1116 | |
---|
1117 | cin = out; |
---|
1118 | cinfo.bits = to->bits; |
---|
1119 | } |
---|
1120 | |
---|
1121 | if ( need_signed && ! ROAR_CODEC_IS_SIGNED(from->codec) ) { |
---|
1122 | ROAR_DBG("roar_conv2(*): sign: unsigned->signed"); |
---|
1123 | if ( roar_conv_signedness(out, cin, samples, |
---|
1124 | ROAR_CODEC_IS_SIGNED(from->codec), ROAR_CODEC_IS_SIGNED(to->codec), |
---|
1125 | cinfo.bits) == -1 ) |
---|
1126 | return -1; |
---|
1127 | |
---|
1128 | cin = out; |
---|
1129 | cinfo.codec = ROAR_CODEC_PCM_S_LE; // just a signed PCM, which is of no intrest |
---|
1130 | } |
---|
1131 | |
---|
1132 | if ( to->channels > from->channels ) { |
---|
1133 | ROAR_DBG("roar_conv2(*): channels: %i->%i", from->channels, to->channels); |
---|
1134 | if ( roar_conv_chans(out, cin, samples, from->channels, to->channels, cinfo.bits) == -1 ) |
---|
1135 | return -1; |
---|
1136 | |
---|
1137 | cin = out; |
---|
1138 | samples = (samples * to->channels) / cinfo.channels; |
---|
1139 | cinfo.channels = to->channels; |
---|
1140 | } |
---|
1141 | |
---|
1142 | //--// |
---|
1143 | if ( from->rate != to->rate ) { |
---|
1144 | outsamples = bufsize; |
---|
1145 | |
---|
1146 | ROAR_DBG("roar_conv2(*): outsamples=%llu", (long long unsigned int)outsamples); |
---|
1147 | |
---|
1148 | if ( cinfo.channels != to->channels ) { |
---|
1149 | outsamples *= cinfo.channels; |
---|
1150 | outsamples /= to->channels; |
---|
1151 | } |
---|
1152 | |
---|
1153 | if ( cinfo.bits != to->bits ) { |
---|
1154 | outsamples *= cinfo.bits; |
---|
1155 | outsamples /= to->bits; |
---|
1156 | } |
---|
1157 | |
---|
1158 | outsamples /= cinfo.bits/8; |
---|
1159 | |
---|
1160 | ROAR_DBG("roar_conv2(*): outsamples=%llu", (long long unsigned int)outsamples); |
---|
1161 | |
---|
1162 | if ( roar_conv_rate2(out, cin, outsamples, samples, cinfo.bits, cinfo.channels) == -1 ) |
---|
1163 | return -1; |
---|
1164 | |
---|
1165 | cin = out; |
---|
1166 | samples = outsamples; |
---|
1167 | cinfo.rate = to->rate; |
---|
1168 | } |
---|
1169 | |
---|
1170 | if ( cinfo.channels != to->channels ) { |
---|
1171 | ROAR_DBG("roar_conv2(*): channels: %i->%i", cinfo.channels, to->channels); |
---|
1172 | if ( roar_conv_chans(out, cin, samples, cinfo.channels, to->channels, cinfo.bits) == -1 ) |
---|
1173 | return -1; |
---|
1174 | |
---|
1175 | cin = out; |
---|
1176 | samples = (samples * to->channels) / cinfo.channels; |
---|
1177 | cinfo.channels = to->channels; |
---|
1178 | } |
---|
1179 | |
---|
1180 | if ( ROAR_CODEC_IS_SIGNED(cinfo.codec) != ROAR_CODEC_IS_SIGNED(to->codec) ) { |
---|
1181 | ROAR_DBG("roar_conv2(*): sign: ?(%i)->?(%i)", ROAR_CODEC_IS_SIGNED(cinfo.codec), ROAR_CODEC_IS_SIGNED(to->codec)); |
---|
1182 | if ( roar_conv_signedness(out, cin, samples, |
---|
1183 | ROAR_CODEC_IS_SIGNED(cinfo.codec), ROAR_CODEC_IS_SIGNED(to->codec), |
---|
1184 | cinfo.bits) == -1 ) |
---|
1185 | return -1; |
---|
1186 | |
---|
1187 | cin = out; |
---|
1188 | cinfo.codec = to->codec; |
---|
1189 | } |
---|
1190 | |
---|
1191 | if ( cinfo.bits != to->bits ) { |
---|
1192 | ROAR_DBG("roar_conv2(*): bits: %i->%i", cinfo.bits, to->bits); |
---|
1193 | if ( roar_conv_bits(out, cin, samples, cinfo.bits, to->bits) == -1 ) |
---|
1194 | return -1; |
---|
1195 | |
---|
1196 | cin = out; |
---|
1197 | cinfo.bits = to->bits; |
---|
1198 | } |
---|
1199 | |
---|
1200 | if ( ROAR_CODEC_BYTE_ORDER(to->codec) != ROAR_CODEC_NATIVE_ENDIAN ) { |
---|
1201 | ROAR_DBG("roar_conv2(*): doing bo output conv"); |
---|
1202 | if ( roar_conv_endian(out, cin, samples, |
---|
1203 | ROAR_CODEC_NATIVE_ENDIAN, ROAR_CODEC_BYTE_ORDER(to->codec), to->bits) == -1 ) { |
---|
1204 | return -1; |
---|
1205 | } |
---|
1206 | cin = out; |
---|
1207 | } |
---|
1208 | |
---|
1209 | ROAR_DBG("roar_conv2(*): samples=%llu", (long long unsigned int)samples); |
---|
1210 | |
---|
1211 | ROAR_DBG("roar_conv2(*) = 0"); |
---|
1212 | return 0; |
---|
1213 | } |
---|
1214 | |
---|
1215 | int roar_conv_poly4_16 (int16_t * out, int16_t * in, size_t olen, size_t ilen) { |
---|
1216 | return roar_conv_poly4_16s(out, in, olen, ilen, (float)ilen/olen); |
---|
1217 | } |
---|
1218 | |
---|
1219 | int roar_conv_poly4_16s (int16_t * out, int16_t * in, size_t olen, size_t ilen, float step) { |
---|
1220 | float poly[4]; |
---|
1221 | float data[4]; |
---|
1222 | float t = 0; |
---|
1223 | int16_t * ci = in; |
---|
1224 | int io, ii = 0; |
---|
1225 | int i; |
---|
1226 | |
---|
1227 | // printf("step=%f\n", step); |
---|
1228 | |
---|
1229 | // we can not make a poly4 with less than 4 points ;) |
---|
1230 | if ( ilen < 4 ) |
---|
1231 | return -1; |
---|
1232 | |
---|
1233 | for (i = 0; i < 4; i++) |
---|
1234 | data[i] = ci[i]; |
---|
1235 | roar_math_mkpoly_4x4(poly, data); |
---|
1236 | /* |
---|
1237 | printf("new poly: data[4] = {%f, %f, %f, %f}, poly[4] = {%f, %f, %f, %f}\n", |
---|
1238 | data[0], data[1], data[2], data[3], |
---|
1239 | poly[0], poly[1], poly[2], poly[3] |
---|
1240 | ); |
---|
1241 | */ |
---|
1242 | |
---|
1243 | //0 1 2 3 |
---|
1244 | |
---|
1245 | for (io = 0; io < olen; io++) { |
---|
1246 | // printf("t=%f\n", t); |
---|
1247 | out[io] = roar_math_cvpoly_4x4(poly, t); |
---|
1248 | t += step; |
---|
1249 | if ( t > 2 ) { // we need a new ploynome |
---|
1250 | // printf("t > 2, need new data\n"); |
---|
1251 | if ( (ii + 4) < ilen ) { // else: end of block. |
---|
1252 | t -= 1; |
---|
1253 | // printf("new data: ii=%i\n", ii); |
---|
1254 | ii++; |
---|
1255 | ci++; |
---|
1256 | for (i = 0; i < 4; i++) |
---|
1257 | data[i] = ci[i]; |
---|
1258 | roar_math_mkpoly_4x4(poly, data); |
---|
1259 | /* |
---|
1260 | printf("new poly: data[4] = {%f, %f, %f, %f}, poly[4] = {%f, %f, %f, %f}\n", |
---|
1261 | data[0], data[1], data[2], data[3], |
---|
1262 | poly[0], poly[1], poly[2], poly[3] |
---|
1263 | ); |
---|
1264 | */ |
---|
1265 | } |
---|
1266 | } |
---|
1267 | } |
---|
1268 | |
---|
1269 | // printf("io=%i\n", io); |
---|
1270 | |
---|
1271 | return 0; |
---|
1272 | } |
---|
1273 | |
---|
1274 | //ll |
---|