[0] | 1 | //convert.c: |
---|
| 2 | |
---|
[690] | 3 | /* |
---|
| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
---|
| 5 | * |
---|
| 6 | * This file is part of libroar a part of RoarAudio, |
---|
| 7 | * a cross-platform sound system for both, home and professional use. |
---|
| 8 | * See README for details. |
---|
| 9 | * |
---|
| 10 | * This file is free software; you can redistribute it and/or modify |
---|
| 11 | * it under the terms of the GNU General Public License version 3 |
---|
| 12 | * as published by the Free Software Foundation. |
---|
| 13 | * |
---|
| 14 | * libroar is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this software; see the file COPYING. If not, write to |
---|
[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
| 22 | * Boston, MA 02110-1301, USA. |
---|
[690] | 23 | * |
---|
| 24 | * NOTE for everyone want's to change something and send patches: |
---|
| 25 | * read README and HACKING! There a addition information on |
---|
| 26 | * the license of this document you need to read before you send |
---|
| 27 | * any patches. |
---|
| 28 | * |
---|
| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
| 30 | * or libpulse*: |
---|
| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
| 32 | * and are therefore GPL. Because of this it may be illigal to use |
---|
| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
| 34 | */ |
---|
| 35 | |
---|
[1367] | 36 | #include "libroardsp.h" |
---|
[1064] | 37 | //#define free(p) {ROAR_WARN("free(%p) = ?", (p)); free((p)); ROAR_WARN("free(%p): OK", (p));} |
---|
[0] | 38 | |
---|
| 39 | int roar_conv_bits (void * out, void * in, int samples, int from, int to) { |
---|
[845] | 40 | int format; |
---|
| 41 | |
---|
[0] | 42 | if ( from == to ) { |
---|
| 43 | if ( in == out ) |
---|
| 44 | return 0; |
---|
| 45 | |
---|
| 46 | memcpy(out, in, samples * from / 8); |
---|
| 47 | return 0; |
---|
| 48 | } |
---|
| 49 | |
---|
[845] | 50 | format = ((from / 8) << 4) + (to / 8); |
---|
[0] | 51 | |
---|
[845] | 52 | switch (format) { |
---|
[849] | 53 | case 0x12: return roar_conv_bits_8to16( out, in, samples); |
---|
| 54 | case 0x14: return roar_conv_bits_8to32( out, in, samples); |
---|
| 55 | case 0x21: return roar_conv_bits_16to8( out, in, samples); |
---|
[845] | 56 | case 0x24: return roar_conv_bits_16to32(out, in, samples); |
---|
[2501] | 57 | case 0x34: return roar_conv_bits_24to32(out, in, samples); |
---|
[849] | 58 | case 0x41: return roar_conv_bits_32to8( out, in, samples); |
---|
[845] | 59 | case 0x42: return roar_conv_bits_32to16(out, in, samples); |
---|
| 60 | default: |
---|
| 61 | errno = ENOSYS; |
---|
| 62 | return -1; |
---|
| 63 | } |
---|
[0] | 64 | |
---|
| 65 | return -1; |
---|
| 66 | } |
---|
| 67 | |
---|
| 68 | int roar_conv_bits_8to16 (void * out, void * in, int samples) { |
---|
| 69 | char * ip = (char *)in; |
---|
| 70 | int16_t * op = (int16_t*)out; |
---|
| 71 | int i; |
---|
| 72 | |
---|
| 73 | for (i = samples - 1; i >= 0; i--) |
---|
| 74 | op[i] = ip[i] << 8; |
---|
| 75 | |
---|
| 76 | return 0; |
---|
| 77 | } |
---|
| 78 | |
---|
[845] | 79 | int roar_conv_bits_8to32 (void * out, void * in, int samples) { |
---|
| 80 | char * ip = (char *)in; |
---|
| 81 | int32_t * op = (int32_t*)out; |
---|
| 82 | int i; |
---|
| 83 | |
---|
| 84 | for (i = samples - 1; i >= 0; i--) |
---|
[1458] | 85 | op[i] = (int32_t) ip[i] << 24; |
---|
[845] | 86 | |
---|
| 87 | return 0; |
---|
| 88 | } |
---|
| 89 | |
---|
[0] | 90 | int roar_conv_bits_16to8 (void * out, void * in, int samples) { |
---|
| 91 | int16_t * ip = (int16_t*)in; |
---|
| 92 | char * op = (char *)out; |
---|
| 93 | int i; |
---|
| 94 | |
---|
[624] | 95 | ROAR_DBG("roar_conv_bits_16to8(out=%p, in=%p, samples=%i) = ?", out, in, samples); |
---|
| 96 | |
---|
[0] | 97 | for (i = 0; i < samples; i++) |
---|
| 98 | op[i] = ip[i] >> 8; |
---|
| 99 | |
---|
| 100 | return 0; |
---|
| 101 | } |
---|
| 102 | |
---|
[845] | 103 | int roar_conv_bits_16to32 (void * out, void * in, int samples) { |
---|
| 104 | int16_t * ip = (int16_t*)in; |
---|
| 105 | int32_t * op = (int32_t*)out; |
---|
| 106 | int i; |
---|
| 107 | |
---|
| 108 | for (i = samples - 1; i >= 0; i--) |
---|
[1458] | 109 | op[i] = (int32_t) ip[i] << 16; |
---|
[845] | 110 | |
---|
| 111 | return 0; |
---|
| 112 | } |
---|
| 113 | |
---|
[2501] | 114 | int roar_conv_bits_24to32 (void * out, void * in, int samples) { |
---|
| 115 | uint8_t * ip = (uint8_t*)in; |
---|
| 116 | int32_t * op = (int32_t*)out; |
---|
| 117 | int i; |
---|
| 118 | union { |
---|
| 119 | int32_t i; |
---|
| 120 | uint8_t c[4]; |
---|
| 121 | } t; |
---|
| 122 | |
---|
| 123 | ROAR_DBG("roar_conv_bits_24to32(out=%p, in=%p, samples=%i) = ?", out, in, samples); |
---|
| 124 | |
---|
| 125 | #if (BYTE_ORDER == BIG_ENDIAN) || (BYTE_ORDER == LITTLE_ENDIAN) |
---|
| 126 | t.i = 0; |
---|
| 127 | #else |
---|
| 128 | ROAR_DBG("roar_conv_bits_24to32(out=%p, in=%p, samples=%i) = -1", out, in, samples); |
---|
| 129 | return -1; |
---|
| 130 | #endif |
---|
| 131 | |
---|
| 132 | samples--; |
---|
| 133 | ip += 3 * samples; |
---|
| 134 | |
---|
| 135 | for (i = samples; i >= 0; i--) { |
---|
| 136 | #if BYTE_ORDER == BIG_ENDIAN |
---|
| 137 | t.c[0] = *(ip--); |
---|
| 138 | t.c[1] = *(ip--); |
---|
| 139 | t.c[2] = *(ip--); |
---|
| 140 | #elif BYTE_ORDER == LITTLE_ENDIAN |
---|
| 141 | t.c[2] = *(ip--); |
---|
| 142 | t.c[3] = *(ip--); |
---|
| 143 | t.c[1] = *(ip--); |
---|
| 144 | #endif |
---|
| 145 | ROAR_DBG("roar_conv_bits_24to32(*): i=%i, t.i=0x%.8X", i, t.i); |
---|
| 146 | op[i] = t.i; |
---|
| 147 | } |
---|
| 148 | |
---|
| 149 | ROAR_DBG("roar_conv_bits_24to32(out=%p, in=%p, samples=%i) = 0", out, in, samples); |
---|
| 150 | return 0; |
---|
| 151 | } |
---|
| 152 | |
---|
[845] | 153 | int roar_conv_bits_32to8 (void * out, void * in, int samples) { |
---|
| 154 | int32_t * ip = (int32_t*)in; |
---|
| 155 | char * op = (char *)out; |
---|
| 156 | int i; |
---|
| 157 | |
---|
| 158 | for (i = 0; i < samples; i++) |
---|
| 159 | op[i] = ip[i] >> 24; |
---|
| 160 | |
---|
| 161 | return 0; |
---|
| 162 | } |
---|
| 163 | |
---|
| 164 | int roar_conv_bits_32to16 (void * out, void * in, int samples) { |
---|
| 165 | int32_t * ip = (int32_t*)in; |
---|
| 166 | int16_t * op = (int16_t*)out; |
---|
| 167 | int i; |
---|
| 168 | |
---|
| 169 | for (i = 0; i < samples; i++) |
---|
| 170 | op[i] = ip[i] >> 16; |
---|
| 171 | |
---|
| 172 | return 0; |
---|
| 173 | } |
---|
[0] | 174 | |
---|
| 175 | int roar_conv_chans (void * out, void * in, int samples, int from, int to, int bits) { |
---|
[850] | 176 | if ( from == to ) { |
---|
| 177 | if ( in == out ) |
---|
| 178 | return 0; |
---|
| 179 | |
---|
| 180 | memcpy(out, in, samples * from * bits / 8); |
---|
| 181 | return 0; |
---|
| 182 | } |
---|
| 183 | |
---|
| 184 | switch (bits) { |
---|
| 185 | case 8: |
---|
| 186 | switch (from) { |
---|
| 187 | case 1: |
---|
| 188 | switch (to) { |
---|
| 189 | case 2: return roar_conv_chans_1to28(out, in, samples); |
---|
| 190 | default: return roar_conv_chans_1ton8(out, in, samples, to); |
---|
| 191 | } |
---|
| 192 | break; |
---|
| 193 | case 2: |
---|
| 194 | switch (to) { |
---|
| 195 | case 1: return roar_conv_chans_2to18(out, in, samples); |
---|
| 196 | default: return -1; |
---|
| 197 | } |
---|
| 198 | break; |
---|
| 199 | default: |
---|
| 200 | switch (to) { |
---|
| 201 | case 1: return roar_conv_chans_nto18(out, in, samples, from); |
---|
| 202 | default: return -1; |
---|
| 203 | } |
---|
| 204 | } |
---|
| 205 | break; |
---|
| 206 | case 16: |
---|
| 207 | switch (from) { |
---|
| 208 | case 1: |
---|
| 209 | switch (to) { |
---|
| 210 | case 2: return roar_conv_chans_1to216(out, in, samples); |
---|
| 211 | default: return roar_conv_chans_1ton16(out, in, samples, to); |
---|
| 212 | } |
---|
| 213 | break; |
---|
| 214 | case 2: |
---|
| 215 | switch (to) { |
---|
| 216 | case 1: return roar_conv_chans_2to116(out, in, samples); |
---|
[2741] | 217 | case 3: return roar_conv_chans_2to316(out, in, samples); |
---|
[2742] | 218 | case 4: return roar_conv_chans_2to416(out, in, samples); |
---|
| 219 | case 5: return roar_conv_chans_2to516(out, in, samples); |
---|
| 220 | case 6: return roar_conv_chans_2to616(out, in, samples); |
---|
[850] | 221 | default: return -1; |
---|
| 222 | } |
---|
| 223 | break; |
---|
[2750] | 224 | case 4: |
---|
| 225 | switch (to) { |
---|
| 226 | case 1: return roar_conv_chans_nto116(out, in, samples, 4); |
---|
| 227 | case 2: return roar_conv_chans_4to216(out, in, samples); |
---|
| 228 | default: return -1; |
---|
| 229 | } |
---|
| 230 | break; |
---|
[850] | 231 | default: |
---|
| 232 | switch (to) { |
---|
| 233 | case 1: return roar_conv_chans_nto116(out, in, samples, from); |
---|
| 234 | default: return -1; |
---|
| 235 | } |
---|
| 236 | } |
---|
| 237 | break; |
---|
| 238 | default: return -1; |
---|
[0] | 239 | } |
---|
| 240 | |
---|
| 241 | return -1; |
---|
| 242 | } |
---|
| 243 | |
---|
| 244 | int roar_conv_chans_1ton8 (void * out, void * in, int samples, int to) { |
---|
| 245 | char * ip = (char*) in, * op = (char*) out; |
---|
| 246 | int i; |
---|
| 247 | int c; |
---|
| 248 | |
---|
| 249 | for (i = samples - 1; i >= 0; i--) |
---|
| 250 | for (c = to - 1; c >= 0; c--) |
---|
| 251 | op[i*to + c] = ip[i]; |
---|
| 252 | |
---|
| 253 | return 0; |
---|
| 254 | } |
---|
| 255 | |
---|
[850] | 256 | int roar_conv_chans_1to28 (void * out, void * in, int samples) { |
---|
| 257 | char * ip = (char*) in, * op = (char*) out; |
---|
[852] | 258 | int i, h; |
---|
[850] | 259 | |
---|
[852] | 260 | samples--; |
---|
[850] | 261 | |
---|
[852] | 262 | for (i = (h = samples) * 2; i >= 0; i -= 2, h--) { |
---|
| 263 | op[i + 0] = ip[h]; |
---|
| 264 | op[i + 1] = ip[h]; |
---|
[850] | 265 | } |
---|
| 266 | |
---|
| 267 | return 0; |
---|
| 268 | } |
---|
| 269 | |
---|
[0] | 270 | int roar_conv_chans_1ton16 (void * out, void * in, int samples, int to) { |
---|
| 271 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
| 272 | int i; |
---|
| 273 | int c; |
---|
| 274 | |
---|
| 275 | for (i = samples - 1; i >= 0; i--) |
---|
| 276 | for (c = to - 1; c >= 0; c--) |
---|
| 277 | op[i*to + c] = ip[i]; |
---|
| 278 | |
---|
| 279 | return 0; |
---|
| 280 | } |
---|
| 281 | |
---|
[850] | 282 | int roar_conv_chans_1to216 (void * out, void * in, int samples) { |
---|
| 283 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
[852] | 284 | int i, h; |
---|
[850] | 285 | |
---|
[852] | 286 | samples--; |
---|
[850] | 287 | |
---|
[852] | 288 | for (i = (h = samples) * 2; i >= 0; i -= 2, h--) { |
---|
| 289 | op[i + 0] = ip[h]; |
---|
| 290 | op[i + 1] = ip[h]; |
---|
[850] | 291 | } |
---|
| 292 | |
---|
| 293 | return 0; |
---|
| 294 | } |
---|
| 295 | |
---|
[626] | 296 | int roar_conv_chans_nto18 (void * out, void * in, int samples, int from) { |
---|
| 297 | int8_t * ip = (int8_t*) in, * op = (int8_t*) out; |
---|
| 298 | int i; |
---|
| 299 | int c; |
---|
| 300 | register int s; |
---|
| 301 | |
---|
| 302 | samples /= from; |
---|
| 303 | |
---|
| 304 | for (i = samples - 1; i >= 0; i--) { |
---|
| 305 | s = 0; |
---|
| 306 | |
---|
| 307 | for (c = 0; c < from; c++) |
---|
| 308 | s += ip[i*from + c]; |
---|
| 309 | |
---|
| 310 | s /= from; |
---|
| 311 | op[i] = s; |
---|
| 312 | } |
---|
| 313 | |
---|
| 314 | return 0; |
---|
| 315 | } |
---|
| 316 | |
---|
[850] | 317 | int roar_conv_chans_2to18 (void * out, void * in, int samples) { |
---|
| 318 | int8_t * ip = (int8_t*) in, * op = (int8_t*) out; |
---|
[852] | 319 | int i, h; |
---|
[850] | 320 | |
---|
| 321 | samples -= 2; |
---|
| 322 | |
---|
[852] | 323 | for (h = (i = samples) / 2; i >= 0; i -= 2, h--) |
---|
| 324 | op[h] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
[850] | 325 | |
---|
| 326 | return 0; |
---|
| 327 | } |
---|
| 328 | |
---|
[624] | 329 | int roar_conv_chans_nto116 (void * out, void * in, int samples, int from) { |
---|
| 330 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
| 331 | int i; |
---|
| 332 | int c; |
---|
| 333 | register int s; |
---|
| 334 | |
---|
| 335 | samples /= from; |
---|
| 336 | |
---|
| 337 | for (i = samples - 1; i >= 0; i--) { |
---|
| 338 | s = 0; |
---|
| 339 | |
---|
| 340 | for (c = 0; c < from; c++) |
---|
| 341 | s += ip[i*from + c]; |
---|
| 342 | |
---|
| 343 | s /= from; |
---|
| 344 | op[i] = s; |
---|
| 345 | } |
---|
| 346 | |
---|
| 347 | return 0; |
---|
| 348 | } |
---|
| 349 | |
---|
[850] | 350 | int roar_conv_chans_2to116 (void * out, void * in, int samples) { |
---|
| 351 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
[852] | 352 | int i, h; |
---|
[850] | 353 | |
---|
[1064] | 354 | ROAR_DBG("roar_conv_chans_2to116(out=%p, in=%p, samples=%i) = ?", out, in, samples); |
---|
| 355 | |
---|
[850] | 356 | samples -= 2; |
---|
| 357 | |
---|
[1064] | 358 | for (h = (i = samples) / 2; i >= 0; i -= 2, h--) { |
---|
| 359 | 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); |
---|
[852] | 360 | op[h] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
[1064] | 361 | } |
---|
[850] | 362 | |
---|
| 363 | return 0; |
---|
| 364 | } |
---|
| 365 | |
---|
[2741] | 366 | int roar_conv_chans_2to38 (void * out, void * in, int samples); |
---|
| 367 | int roar_conv_chans_2to316 (void * out, void * in, int samples) { |
---|
| 368 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
| 369 | int i, h; |
---|
| 370 | |
---|
| 371 | samples -= 2; |
---|
| 372 | |
---|
| 373 | i = samples; |
---|
| 374 | h = (samples / 2) * 3; |
---|
| 375 | |
---|
| 376 | for (; i >= 0; i -= 2, h -= 3) { |
---|
| 377 | op[h+0] = ip[i+0]; |
---|
| 378 | op[h+1] = ip[i+1]; |
---|
| 379 | op[h+2] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
| 380 | } |
---|
| 381 | |
---|
| 382 | return 0; |
---|
| 383 | } |
---|
| 384 | |
---|
| 385 | int roar_conv_chans_2to48 (void * out, void * in, int samples); |
---|
[2742] | 386 | int roar_conv_chans_2to416 (void * out, void * in, int samples) { |
---|
| 387 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
| 388 | int i, h; |
---|
| 389 | |
---|
| 390 | samples -= 2; |
---|
| 391 | |
---|
| 392 | i = samples; |
---|
| 393 | h = (samples / 2) * 4; |
---|
| 394 | |
---|
[2743] | 395 | for (; i >= 0; i -= 2, h -= 4) { |
---|
[2742] | 396 | op[h+0] = ip[i+0]; |
---|
| 397 | op[h+1] = ip[i+1]; |
---|
| 398 | op[h+2] = ip[i+0]; |
---|
| 399 | op[h+3] = ip[i+1]; |
---|
| 400 | } |
---|
| 401 | |
---|
| 402 | return 0; |
---|
| 403 | } |
---|
| 404 | |
---|
[2741] | 405 | int roar_conv_chans_2to58 (void * out, void * in, int samples); |
---|
[2742] | 406 | int roar_conv_chans_2to516 (void * out, void * in, int samples) { |
---|
| 407 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
| 408 | int i, h; |
---|
| 409 | |
---|
| 410 | samples -= 2; |
---|
| 411 | |
---|
| 412 | i = samples; |
---|
| 413 | h = (samples / 2) * 5; |
---|
| 414 | |
---|
[2743] | 415 | for (; i >= 0; i -= 2, h -= 5) { |
---|
[2742] | 416 | op[h+0] = ip[i+0]; |
---|
| 417 | op[h+1] = ip[i+1]; |
---|
| 418 | op[h+2] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
| 419 | op[h+3] = ip[i+0]; |
---|
| 420 | op[h+4] = ip[i+1]; |
---|
| 421 | } |
---|
| 422 | |
---|
| 423 | return 0; |
---|
| 424 | } |
---|
[2741] | 425 | int roar_conv_chans_2to68 (void * out, void * in, int samples); |
---|
[2742] | 426 | int roar_conv_chans_2to616 (void * out, void * in, int samples) { |
---|
| 427 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
| 428 | int i, h; |
---|
| 429 | |
---|
| 430 | samples -= 2; |
---|
| 431 | |
---|
| 432 | i = samples; |
---|
[2743] | 433 | h = (samples / 2) * 6; |
---|
[2742] | 434 | |
---|
[2743] | 435 | for (; i >= 0; i -= 2, h -= 6) { |
---|
[2742] | 436 | op[h+0] = ip[i+0]; |
---|
| 437 | op[h+1] = ip[i+1]; |
---|
| 438 | op[h+2] = ((int)ip[i + 0] + (int)ip[i + 1]) / 2; |
---|
| 439 | op[h+3] = op[h+2]; |
---|
| 440 | op[h+4] = ip[i+0]; |
---|
| 441 | op[h+5] = ip[i+1]; |
---|
| 442 | } |
---|
| 443 | |
---|
| 444 | return 0; |
---|
| 445 | } |
---|
[2741] | 446 | |
---|
[2749] | 447 | int roar_conv_chans_3to28 (void * out, void * in, int samples); |
---|
| 448 | int roar_conv_chans_3to216 (void * out, void * in, int samples); |
---|
| 449 | int roar_conv_chans_4to28 (void * out, void * in, int samples); |
---|
[2750] | 450 | int roar_conv_chans_4to216 (void * out, void * in, int samples) { |
---|
| 451 | int16_t * ip = (int16_t*) in, * op = (int16_t*) out; |
---|
| 452 | int i, h; |
---|
| 453 | |
---|
| 454 | samples -= 4; |
---|
| 455 | |
---|
| 456 | for (i = h = 0; i < samples; i += 4, h += 2) { |
---|
| 457 | op[h+0] = ((int)ip[i + 0] + (int)ip[i + 2]) / 2; |
---|
| 458 | op[h+1] = ((int)ip[i + 1] + (int)ip[i + 3]) / 2; |
---|
| 459 | } |
---|
| 460 | |
---|
| 461 | return 0; |
---|
| 462 | } |
---|
| 463 | |
---|
[2749] | 464 | int roar_conv_chans_5to28 (void * out, void * in, int samples); |
---|
| 465 | int roar_conv_chans_5to216 (void * out, void * in, int samples); |
---|
| 466 | int roar_conv_chans_6to28 (void * out, void * in, int samples); |
---|
| 467 | int roar_conv_chans_6to216 (void * out, void * in, int samples); |
---|
| 468 | |
---|
| 469 | |
---|
[2741] | 470 | |
---|
[0] | 471 | int roar_conv_rate (void * out, void * in, int samples, int from, int to, int bits, int channels) { |
---|
[2386] | 472 | #ifdef ROAR_HAVE_LIBSAMPLERATE |
---|
| 473 | return roar_conv_rate_SRC(out, in, samples, from, to, bits, channels); |
---|
| 474 | #else |
---|
[0] | 475 | if ( bits == 8 ) |
---|
| 476 | return roar_conv_rate_8(out, in, samples, from, to, channels); |
---|
| 477 | |
---|
| 478 | if ( bits == 16 ) |
---|
| 479 | return roar_conv_rate_16(out, in, samples, from, to, channels); |
---|
| 480 | |
---|
| 481 | return -1; |
---|
[2386] | 482 | #endif |
---|
[0] | 483 | } |
---|
| 484 | |
---|
| 485 | int roar_conv_rate_8 (void * out, void * in, int samples, int from, int to, int channels) { |
---|
| 486 | return -1; |
---|
| 487 | } |
---|
[33] | 488 | |
---|
[0] | 489 | int roar_conv_rate_16 (void * out, void * in, int samples, int from, int to, int channels) { |
---|
[1061] | 490 | if ( from > to ) { |
---|
| 491 | switch (channels) { |
---|
| 492 | case 1: |
---|
| 493 | return roar_conv_rate_161zoh(out, in, samples, from, to); |
---|
| 494 | case 2: |
---|
[1064] | 495 | return roar_conv_rate_162zoh(out, in, samples, from, to); |
---|
[1061] | 496 | default: |
---|
| 497 | return -1; |
---|
| 498 | } |
---|
| 499 | } else { |
---|
| 500 | if ( channels == 1 ) { |
---|
| 501 | printf("roar_conv_rate_16(): samples=%i -> %i, rate=%i -> %i\n", samples*from/to, samples, from, to); |
---|
| 502 | return roar_conv_poly4_16s((int16_t*) out, (int16_t*) in, samples, samples*from/to, (float)from/to); |
---|
| 503 | // return roar_conv_poly4_16((int16_t*) out, (int16_t*) in, samples*to/from, samples); |
---|
| 504 | } |
---|
[386] | 505 | } |
---|
| 506 | |
---|
[0] | 507 | return -1; |
---|
| 508 | } |
---|
| 509 | |
---|
[1061] | 510 | int roar_conv_rate_161zoh(void * out, void * in, int samples, int from, int to) { |
---|
| 511 | int16_t * ip = in; |
---|
| 512 | int16_t * op = out; |
---|
| 513 | float t = 0; |
---|
| 514 | float step = (float)to/from; |
---|
| 515 | int i; |
---|
| 516 | |
---|
| 517 | for (i= 0; i < samples; i++) { |
---|
| 518 | op[(int)t] = ip[i]; |
---|
| 519 | t += step; |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | return 0; |
---|
| 523 | } |
---|
| 524 | |
---|
[1064] | 525 | int roar_conv_rate_162zoh(void * out, void * in, int samples, int from, int to) { |
---|
| 526 | int16_t * ip = in; |
---|
| 527 | int16_t * op = out; |
---|
| 528 | float t = 0; |
---|
| 529 | float step = (float)to/from; |
---|
| 530 | int i; |
---|
| 531 | |
---|
| 532 | ROAR_DBG("roar_conv_rate_162zoh(*): samples=%i", samples); |
---|
| 533 | samples /= 2; |
---|
[2386] | 534 | // samples -= 1; |
---|
[1064] | 535 | ROAR_DBG("roar_conv_rate_162zoh(*): samples=%i", samples); |
---|
| 536 | |
---|
| 537 | for (i= 0; i < samples; i++) { |
---|
| 538 | ROAR_DBG("roar_conv_rate_162zoh(*): t=%f, i=%i // op[%i] = ip[%i]", t, i, 2*(int)t, 2*i); |
---|
| 539 | op[2*(int)t ] = ip[2*i ]; |
---|
| 540 | op[2*(int)t + 1] = ip[2*i + 1]; |
---|
| 541 | t += step; |
---|
| 542 | } |
---|
| 543 | |
---|
| 544 | return 0; |
---|
| 545 | } |
---|
| 546 | |
---|
[2386] | 547 | int roar_conv_rate_SRC (void * out, void * in, int samples, int from, int to, int bits, int channels) { |
---|
| 548 | #ifdef ROAR_HAVE_LIBSAMPLERATE |
---|
| 549 | double radio = (double) to / (double) from; |
---|
| 550 | int outsamples = radio * samples; |
---|
[3063] | 551 | float * inf = roar_mm_malloc(samples*sizeof(float)); |
---|
| 552 | float * outf = roar_mm_malloc(outsamples*sizeof(float)); |
---|
[2386] | 553 | int i; |
---|
| 554 | SRC_DATA srcdata; |
---|
| 555 | |
---|
| 556 | ROAR_DBG("roar_conv_rate_SRC(*): radio=%lf, samples=%i, outsamples=%i", radio, samples, outsamples); |
---|
| 557 | |
---|
| 558 | if ( inf == NULL ) { |
---|
| 559 | if ( outf != NULL ) |
---|
[3063] | 560 | roar_mm_free(outf); |
---|
[2386] | 561 | |
---|
| 562 | return -1; |
---|
| 563 | } |
---|
| 564 | |
---|
| 565 | if ( outf == NULL ) { |
---|
| 566 | if ( inf != NULL ) |
---|
[3063] | 567 | roar_mm_free(inf); |
---|
[2386] | 568 | |
---|
| 569 | return -1; |
---|
| 570 | } |
---|
| 571 | |
---|
| 572 | switch (bits) { |
---|
| 573 | case 8: |
---|
| 574 | for (i = 0; i < samples; i++) |
---|
| 575 | inf[i] = *(((int8_t *)in)+i) / 128.0; |
---|
| 576 | break; |
---|
| 577 | case 16: |
---|
| 578 | for (i = 0; i < samples; i++) |
---|
| 579 | inf[i] = *(((int16_t*)in)+i) / 32768.0; |
---|
| 580 | break; |
---|
| 581 | case 32: |
---|
| 582 | for (i = 0; i < samples; i++) |
---|
| 583 | inf[i] = *(((int32_t*)in)+i) / 2147483648.0; |
---|
| 584 | break; |
---|
| 585 | default: |
---|
[3063] | 586 | roar_mm_free(outf); |
---|
| 587 | roar_mm_free(inf); |
---|
[2386] | 588 | return -1; |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | srcdata.data_in = inf; |
---|
| 592 | srcdata.data_out = outf; |
---|
| 593 | srcdata.input_frames = samples/channels; |
---|
| 594 | srcdata.output_frames = outsamples/channels; |
---|
| 595 | srcdata.src_ratio = radio; |
---|
| 596 | |
---|
[2388] | 597 | if ( src_simple(&srcdata, SRC_ZERO_ORDER_HOLD, channels) != 0 ) { |
---|
[3063] | 598 | roar_mm_free(outf); |
---|
| 599 | roar_mm_free(inf); |
---|
[2386] | 600 | return -1; |
---|
| 601 | } |
---|
| 602 | |
---|
| 603 | switch (bits) { |
---|
| 604 | case 8: |
---|
[2388] | 605 | for (i = 0; i < outsamples; i++) |
---|
[2386] | 606 | *(((int8_t *)out)+i) = outf[i] * 128.0; |
---|
| 607 | break; |
---|
| 608 | case 16: |
---|
[2388] | 609 | for (i = 0; i < outsamples; i++) |
---|
[2386] | 610 | *(((int16_t*)out)+i) = outf[i] * 32768.0; |
---|
| 611 | break; |
---|
| 612 | case 32: |
---|
[2388] | 613 | for (i = 0; i < outsamples; i++) |
---|
[2386] | 614 | *(((int32_t*)out)+i) = outf[i] * 2147483648.0; |
---|
| 615 | break; |
---|
| 616 | // no errors here, they are handled above |
---|
| 617 | } |
---|
| 618 | |
---|
[3063] | 619 | roar_mm_free(outf); |
---|
| 620 | roar_mm_free(inf); |
---|
[2386] | 621 | |
---|
| 622 | return 0; |
---|
| 623 | #else |
---|
| 624 | return -1; |
---|
| 625 | #endif |
---|
| 626 | } |
---|
| 627 | |
---|
[875] | 628 | int roar_conv_signedness (void * out, void * in, int samples, int from, int to, int bits) { |
---|
| 629 | |
---|
| 630 | if ( from != to ) { |
---|
| 631 | if ( from && !to ) { |
---|
| 632 | switch (bits) { |
---|
| 633 | case 8: roar_conv_codec_s2u8( out, in, samples); break; |
---|
| 634 | case 16: roar_conv_codec_s2u16(out, in, samples); break; |
---|
| 635 | case 32: roar_conv_codec_s2u32(out, in, samples); break; |
---|
| 636 | default: |
---|
| 637 | errno = ENOSYS; |
---|
| 638 | return -1; |
---|
| 639 | } |
---|
| 640 | } else if ( !from && to ) { |
---|
| 641 | switch (bits) { |
---|
| 642 | case 8: roar_conv_codec_u2s8( out, in, samples); break; |
---|
| 643 | case 16: roar_conv_codec_u2s16(out, in, samples); break; |
---|
| 644 | case 32: roar_conv_codec_u2s32(out, in, samples); break; |
---|
| 645 | default: |
---|
| 646 | errno = ENOSYS; |
---|
| 647 | return -1; |
---|
| 648 | } |
---|
| 649 | } else { |
---|
[876] | 650 | return -1; |
---|
| 651 | } |
---|
| 652 | } else { |
---|
| 653 | if ( out == in ) |
---|
| 654 | return 0; |
---|
[875] | 655 | |
---|
[876] | 656 | memcpy(out, in, samples * bits / 8); |
---|
| 657 | return 0; |
---|
[875] | 658 | } |
---|
| 659 | |
---|
[876] | 660 | return 0; |
---|
[875] | 661 | } |
---|
| 662 | |
---|
[876] | 663 | int roar_conv_codec (void * out, void * in, int samples, int from, int to, int bits) { |
---|
[0] | 664 | int inbo = ROAR_CODEC_BYTE_ORDER(from), outbo = ROAR_CODEC_BYTE_ORDER(to); |
---|
| 665 | int ins = ROAR_CODEC_IS_SIGNED(from), outs = ROAR_CODEC_IS_SIGNED(to); |
---|
[858] | 666 | void * nin = in; |
---|
[0] | 667 | |
---|
[858] | 668 | |
---|
[876] | 669 | ROAR_DBG("roar_conv_codec(out=%p, in=%p, samples=%i, from=%i(%s), to=%i(%s), bits=%i) = ?", |
---|
[869] | 670 | out, in, samples, from, roar_codec2str(from), to, roar_codec2str(to), bits); |
---|
| 671 | |
---|
[875] | 672 | roar_conv_endian(out, in, samples, inbo, outbo, bits); |
---|
| 673 | nin = out; |
---|
[0] | 674 | |
---|
[875] | 675 | return roar_conv_signedness(out, in, samples, ins, outs, bits); |
---|
[0] | 676 | } |
---|
| 677 | |
---|
| 678 | int roar_conv_codec_s2u8 (void * out, void * in, int samples) { |
---|
| 679 | char * ip = in; |
---|
| 680 | unsigned char * op = out; |
---|
| 681 | int i; |
---|
| 682 | |
---|
| 683 | for(i = 0; i < samples; i++) |
---|
| 684 | op[i] = ip[i] + 128; |
---|
| 685 | |
---|
| 686 | return 0; |
---|
| 687 | } |
---|
| 688 | |
---|
[633] | 689 | int roar_conv_codec_s2u16 (void * out, void * in, int samples) { |
---|
| 690 | int16_t * ip = in; |
---|
| 691 | uint16_t * op = out; |
---|
| 692 | int i; |
---|
| 693 | |
---|
[2797] | 694 | for(i = 0; i < samples; i++) |
---|
| 695 | op[i] = ip[i] + 32768; |
---|
[633] | 696 | |
---|
| 697 | return 0; |
---|
| 698 | } |
---|
[0] | 699 | |
---|
[846] | 700 | int roar_conv_codec_s2u32 (void * out, void * in, int samples) { |
---|
| 701 | int32_t * ip = in; |
---|
| 702 | uint32_t * op = out; |
---|
| 703 | int i; |
---|
| 704 | |
---|
| 705 | for(i = 0; i < samples; i++) |
---|
| 706 | op[i] = ip[i] + 2147483648U; |
---|
| 707 | |
---|
| 708 | return 0; |
---|
| 709 | } |
---|
| 710 | |
---|
| 711 | int roar_conv_codec_u2s8 (void * out, void * in, int samples) { |
---|
| 712 | unsigned char * ip = in; |
---|
| 713 | char * op = out; |
---|
| 714 | int i; |
---|
| 715 | |
---|
| 716 | for(i = 0; i < samples; i++) |
---|
| 717 | op[i] = ip[i] - 128; |
---|
| 718 | |
---|
| 719 | return 0; |
---|
| 720 | } |
---|
| 721 | |
---|
| 722 | int roar_conv_codec_u2s16 (void * out, void * in, int samples) { |
---|
| 723 | uint16_t * ip = in; |
---|
| 724 | int16_t * op = out; |
---|
| 725 | int i; |
---|
| 726 | |
---|
| 727 | for(i = 0; i < samples; i++) |
---|
| 728 | op[i] = ip[i] - 32768; |
---|
| 729 | |
---|
| 730 | return 0; |
---|
| 731 | } |
---|
| 732 | |
---|
| 733 | int roar_conv_codec_u2s32 (void * out, void * in, int samples) { |
---|
| 734 | uint32_t * ip = in; |
---|
| 735 | int32_t * op = out; |
---|
| 736 | int i; |
---|
| 737 | |
---|
| 738 | for(i = 0; i < samples; i++) |
---|
| 739 | op[i] = ip[i] - 2147483648U; |
---|
| 740 | |
---|
| 741 | return 0; |
---|
| 742 | } |
---|
| 743 | |
---|
[875] | 744 | |
---|
| 745 | int roar_conv_endian (void * out, void * in, int samples, int from, int to, int bits) { |
---|
| 746 | |
---|
| 747 | if ( bits == 8 ) { |
---|
| 748 | from = to = ROAR_CODEC_NATIVE_ENDIAN; |
---|
| 749 | |
---|
| 750 | } else if ( bits == 16 ) { |
---|
| 751 | if ( from == ROAR_CODEC_PDP ) |
---|
| 752 | from = ROAR_CODEC_LE; |
---|
| 753 | if ( to == ROAR_CODEC_PDP ) |
---|
| 754 | to = ROAR_CODEC_LE; |
---|
| 755 | } |
---|
| 756 | |
---|
[876] | 757 | ROAR_DBG("roar_conv_endian(out=%p, in=%p, samples=%i, from=%i, to=%i, bits=%i) = ?", out, in, samples, from, to, bits); |
---|
| 758 | |
---|
[875] | 759 | if ( from == to ) { |
---|
| 760 | if ( in != out ) { |
---|
| 761 | memcpy(out, in, samples * bits / 8); |
---|
| 762 | } |
---|
[876] | 763 | return 0; |
---|
| 764 | } else { |
---|
[875] | 765 | if ( bits == 16 ) { |
---|
| 766 | // in this case we can only have LE vs. BE, so, only need to swap: |
---|
[876] | 767 | ROAR_DBG("roar_conv_endian(*): Doing 16 bit byteswap"); |
---|
[875] | 768 | return roar_conv_endian_16(out, in, samples); |
---|
| 769 | } else if ( bits == 24 ) { |
---|
| 770 | if ( (from == ROAR_CODEC_LE || from == ROAR_CODEC_BE) && (to == ROAR_CODEC_LE || to == ROAR_CODEC_BE) ) { |
---|
| 771 | return roar_conv_endian_24(out, in, samples); |
---|
| 772 | } else { // what the hell is PDP eddines in 24 bit mode? |
---|
| 773 | return -1; |
---|
| 774 | } |
---|
| 775 | } else if ( bits == 32 ) { |
---|
| 776 | if ( (from == ROAR_CODEC_LE || from == ROAR_CODEC_BE) && (to == ROAR_CODEC_LE || to == ROAR_CODEC_BE) ) { |
---|
| 777 | return roar_conv_endian_32(out, in, samples); |
---|
| 778 | } else { // need to handle 32 PDP eddines here? |
---|
| 779 | return -1; |
---|
| 780 | } |
---|
| 781 | } else { |
---|
| 782 | return -1; |
---|
| 783 | } |
---|
| 784 | } |
---|
| 785 | |
---|
| 786 | return -1; |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | |
---|
[857] | 790 | int roar_conv_endian_16 (void * out, void * in, int samples) { |
---|
| 791 | char * ip = in; |
---|
| 792 | char * op = out; |
---|
| 793 | register char c; |
---|
| 794 | int i; |
---|
| 795 | |
---|
| 796 | samples *= 2; |
---|
| 797 | |
---|
| 798 | if ( out != in ) { |
---|
[858] | 799 | // printf("out != in\n"); |
---|
[857] | 800 | for(i = 0; i < samples; i += 2) { |
---|
[858] | 801 | // printf("op[%i] = ip[%i]\nop[%i] = ip[%i]\n", i, i+1, i+1, i); |
---|
[857] | 802 | op[i ] = ip[i+1]; |
---|
| 803 | op[i+1] = ip[i ]; |
---|
| 804 | } |
---|
| 805 | } else { |
---|
[858] | 806 | // printf("out == in\n"); |
---|
[857] | 807 | for(i = 0; i < samples; i += 2) { |
---|
| 808 | c = ip[i+1]; |
---|
| 809 | op[i+1] = ip[i ]; |
---|
| 810 | op[i ] = c; |
---|
| 811 | } |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | return 0; |
---|
| 815 | } |
---|
| 816 | |
---|
[859] | 817 | int roar_conv_endian_24 (void * out, void * in, int samples) { |
---|
| 818 | char * ip = in; |
---|
| 819 | char * op = out; |
---|
| 820 | register char c; |
---|
| 821 | int i; |
---|
| 822 | |
---|
| 823 | samples *= 3; |
---|
| 824 | |
---|
| 825 | if ( out != in ) { |
---|
| 826 | // printf("out != in\n"); |
---|
| 827 | for(i = 0; i < samples; i += 3) { |
---|
| 828 | // printf("op[%i] = ip[%i]\nop[%i] = ip[%i]\n", i, i+1, i+1, i); |
---|
| 829 | op[i ] = ip[i+2]; |
---|
| 830 | op[i+2] = ip[i ]; |
---|
| 831 | } |
---|
| 832 | } else { |
---|
| 833 | // printf("out == in\n"); |
---|
| 834 | for(i = 0; i < samples; i += 3) { |
---|
| 835 | c = ip[i+2]; |
---|
| 836 | op[i+2] = ip[i ]; |
---|
| 837 | op[i ] = c; |
---|
| 838 | } |
---|
| 839 | } |
---|
| 840 | |
---|
| 841 | return 0; |
---|
| 842 | } |
---|
| 843 | |
---|
[869] | 844 | int roar_conv_endian_32 (void * out, void * in, int samples) { |
---|
| 845 | int32_t * ip = in; |
---|
| 846 | int32_t * op = out; |
---|
| 847 | union { |
---|
| 848 | int32_t val; |
---|
| 849 | char data[4]; |
---|
| 850 | } c, h; |
---|
| 851 | int i; |
---|
| 852 | |
---|
| 853 | // may the holly optimizer save our souls! |
---|
| 854 | |
---|
| 855 | ROAR_DBG("roar_conv_endian_32(out=%p, in=%p, samples=%i) = ?", out, in, samples); |
---|
| 856 | |
---|
| 857 | for (i = 0; i < samples; i++) { |
---|
| 858 | c.val = ip[i]; |
---|
| 859 | h.data[0] = c.data[3]; |
---|
| 860 | h.data[1] = c.data[2]; |
---|
| 861 | h.data[2] = c.data[1]; |
---|
| 862 | h.data[3] = c.data[0]; |
---|
| 863 | op[i] = h.val; |
---|
| 864 | } |
---|
| 865 | |
---|
| 866 | return 0; |
---|
| 867 | } |
---|
| 868 | |
---|
[0] | 869 | int roar_conv (void * out, void * in, int samples, struct roar_audio_info * from, struct roar_audio_info * to) { |
---|
| 870 | void * ip = in; |
---|
[1060] | 871 | void * real_out = NULL; |
---|
[1059] | 872 | size_t from_size, to_size; |
---|
[0] | 873 | |
---|
| 874 | // TODO: decide how to work around both in and out beeing to small to hold all |
---|
| 875 | // data between the steps. |
---|
| 876 | // for the moment: guess out >= in |
---|
| 877 | |
---|
[1060] | 878 | from_size = (from->bits * samples) / 8; |
---|
[1064] | 879 | to_size = ( to->bits * samples * to->rate * to->channels) / (8 * from->rate * from->channels); |
---|
| 880 | |
---|
| 881 | ROAR_DBG("roar_conv(*): size: %i->%i", from_size, to_size); |
---|
[1059] | 882 | |
---|
| 883 | if ( to_size < from_size ) { |
---|
| 884 | real_out = out; |
---|
| 885 | |
---|
[3063] | 886 | if ( (out = roar_mm_malloc(from_size)) == NULL ) |
---|
[1059] | 887 | return -1; |
---|
[1060] | 888 | |
---|
[3063] | 889 | ROAR_DBG("roar_conv(*): roar_mm_malloc(%i)=%p", (int)from_size, out); |
---|
[1059] | 890 | } |
---|
| 891 | |
---|
[876] | 892 | ROAR_DBG("roar_conv(*): bo conv: %i->%i(native)", ROAR_CODEC_BYTE_ORDER(from->codec), ROAR_CODEC_NATIVE_ENDIAN); |
---|
| 893 | |
---|
[875] | 894 | if ( ROAR_CODEC_BYTE_ORDER(from->codec) != ROAR_CODEC_NATIVE_ENDIAN ) { |
---|
[876] | 895 | ROAR_DBG("roar_conv(*): doing bo input conv"); |
---|
[1059] | 896 | if ( roar_conv_endian(out, ip, samples, ROAR_CODEC_BYTE_ORDER(from->codec), ROAR_CODEC_NATIVE_ENDIAN, from->bits) == -1 ) { |
---|
| 897 | if ( to_size < from_size ) |
---|
[3063] | 898 | roar_mm_free(out); |
---|
[875] | 899 | return -1; |
---|
[1059] | 900 | } else { |
---|
[875] | 901 | ip = out; |
---|
[1059] | 902 | } |
---|
[875] | 903 | } |
---|
| 904 | |
---|
[0] | 905 | if ( from->bits != to->bits ) { |
---|
[1059] | 906 | if ( roar_conv_bits(out, ip, samples, from->bits, to->bits) == -1 ) { |
---|
| 907 | if ( to_size < from_size ) |
---|
[3063] | 908 | roar_mm_free(out); |
---|
[0] | 909 | return -1; |
---|
[1059] | 910 | } else { |
---|
[0] | 911 | ip = out; |
---|
[1059] | 912 | } |
---|
[0] | 913 | } |
---|
| 914 | |
---|
[875] | 915 | if ( ROAR_CODEC_IS_SIGNED(from->codec) != ROAR_CODEC_IS_SIGNED(to->codec) ) { |
---|
[1059] | 916 | if ( roar_conv_signedness(out, ip, samples, ROAR_CODEC_IS_SIGNED(from->codec), ROAR_CODEC_IS_SIGNED(to->codec), to->bits) == -1 ) { |
---|
| 917 | if ( to_size < from_size ) |
---|
[3063] | 918 | roar_mm_free(out); |
---|
[875] | 919 | return -1; |
---|
[1059] | 920 | } else { |
---|
[875] | 921 | ip = out; |
---|
[1059] | 922 | } |
---|
[875] | 923 | } |
---|
| 924 | |
---|
| 925 | /* |
---|
[852] | 926 | if ( from->codec != to->codec ) { |
---|
[876] | 927 | if ( roar_conv_codec (out, ip, samples, from->codec, to->codec, to->bits) == -1 ) |
---|
[852] | 928 | return -1; |
---|
| 929 | else |
---|
| 930 | ip = out; |
---|
| 931 | } |
---|
[875] | 932 | */ |
---|
[852] | 933 | |
---|
[386] | 934 | if ( from->rate != to->rate ) { |
---|
[1059] | 935 | if ( roar_conv_rate(out, ip, samples, from->rate, to->rate, to->bits, from->channels) == -1 ) { |
---|
[1060] | 936 | ROAR_DBG("roar_conv(*): failed to convert rate %i->%i (%ich%ibits)", from->rate, to->rate, to->bits, from->channels); |
---|
[1064] | 937 | if ( to_size < from_size ) |
---|
[3063] | 938 | roar_mm_free(out); |
---|
[0] | 939 | return -1; |
---|
[1059] | 940 | } else { |
---|
[0] | 941 | ip = out; |
---|
[1064] | 942 | samples = (samples * to->rate) / from->rate; |
---|
[1059] | 943 | } |
---|
[0] | 944 | } |
---|
| 945 | |
---|
[386] | 946 | if ( from->channels != to->channels ) { |
---|
[1059] | 947 | if ( roar_conv_chans(out, ip, samples, from->channels, to->channels, to->bits) == -1 ) { |
---|
| 948 | if ( to_size < from_size ) |
---|
[3063] | 949 | roar_mm_free(out); |
---|
[0] | 950 | return -1; |
---|
[1059] | 951 | } else { |
---|
[0] | 952 | ip = out; |
---|
[1059] | 953 | } |
---|
[0] | 954 | } |
---|
| 955 | |
---|
[875] | 956 | if ( ROAR_CODEC_BYTE_ORDER(to->codec) != ROAR_CODEC_NATIVE_ENDIAN ) { |
---|
[1059] | 957 | if ( roar_conv_endian(out, ip, samples, ROAR_CODEC_NATIVE_ENDIAN, ROAR_CODEC_BYTE_ORDER(to->codec), to->bits) == -1 ) { |
---|
| 958 | if ( to_size < from_size ) |
---|
[3063] | 959 | roar_mm_free(out); |
---|
[875] | 960 | return -1; |
---|
[1059] | 961 | } else { |
---|
[875] | 962 | ip = out; |
---|
[1059] | 963 | } |
---|
| 964 | } |
---|
| 965 | |
---|
| 966 | if ( to_size < from_size ) { |
---|
[1060] | 967 | ROAR_DBG("roar_conv(*): memcpy(%p, %p, %i) = ?", real_out, out, (int)to_size); |
---|
[1059] | 968 | memcpy(real_out, out, to_size); |
---|
[3063] | 969 | roar_mm_free(out); |
---|
[1064] | 970 | ROAR_DBG("roar_conv(*): free(%p): OK!", out); |
---|
[875] | 971 | } |
---|
| 972 | |
---|
[0] | 973 | return 0; |
---|
| 974 | } |
---|
| 975 | |
---|
[2094] | 976 | int roar_conv2(void * out, void * in, |
---|
| 977 | size_t inlen, |
---|
| 978 | struct roar_audio_info * from, struct roar_audio_info * to, |
---|
| 979 | size_t bufsize) { |
---|
| 980 | size_t samples; |
---|
| 981 | size_t needed_buffer; |
---|
[2096] | 982 | void * cin = in; |
---|
| 983 | struct roar_audio_info cinfo; |
---|
[2098] | 984 | int need_signed = 0; |
---|
[2096] | 985 | |
---|
| 986 | memcpy(&cinfo, from, sizeof(cinfo)); |
---|
[383] | 987 | |
---|
[2388] | 988 | ROAR_DBG("roar_conv2(out=%p, in=%p, inlen=%lu, from=%p{...}, to=%p{...}, bufsize=%lu", out, in, inlen, from, to, bufsize); |
---|
| 989 | |
---|
[2386] | 990 | /* |
---|
| 991 | if ( in != out ) { |
---|
| 992 | memset(out, 0xA0, bufsize); |
---|
| 993 | } else { |
---|
| 994 | ROAR_WARN("roar_conv2(*): in==out!"); |
---|
[2388] | 995 | memset(out+inlen, 0xA0, bufsize-inlen); |
---|
[2386] | 996 | } |
---|
| 997 | */ |
---|
| 998 | |
---|
[2094] | 999 | // calcumate number of input samples: |
---|
[2099] | 1000 | samples = (inlen * 8) / (from->bits); |
---|
| 1001 | |
---|
[2100] | 1002 | ROAR_DBG("roar_conv2(*): input samples: %i", samples); |
---|
[2094] | 1003 | |
---|
| 1004 | // calculate size per frame |
---|
| 1005 | needed_buffer = ROAR_MAX(from->channels, to->channels) * ROAR_MAX(from->bits, to->bits) / 8; |
---|
| 1006 | |
---|
| 1007 | needed_buffer *= samples; |
---|
[2099] | 1008 | needed_buffer /= from->channels; |
---|
[2094] | 1009 | |
---|
| 1010 | if ( from->rate < to->rate ) |
---|
| 1011 | needed_buffer *= (float)to->rate/(float)from->rate; |
---|
| 1012 | |
---|
[2100] | 1013 | ROAR_DBG("roar_conv2(*): needed_buffer=%u, bufsize=%u", needed_buffer, bufsize); |
---|
[2098] | 1014 | |
---|
[2094] | 1015 | // chjeck if we have enogth RAM to convert |
---|
| 1016 | if ( needed_buffer > bufsize ) |
---|
| 1017 | return -1; |
---|
| 1018 | |
---|
[2098] | 1019 | if ( from->rate != to->rate || from->channels != to->channels ) |
---|
| 1020 | need_signed = 1; |
---|
| 1021 | |
---|
[2100] | 1022 | ROAR_DBG("roar_conv2(*): need_signed=%i", need_signed); |
---|
[2098] | 1023 | |
---|
[2096] | 1024 | if ( ROAR_CODEC_BYTE_ORDER(from->codec) != ROAR_CODEC_NATIVE_ENDIAN ) { |
---|
[2100] | 1025 | ROAR_DBG("roar_conv2(*): doing bo input conv"); |
---|
[2096] | 1026 | if ( roar_conv_endian(out, cin, samples, |
---|
| 1027 | ROAR_CODEC_BYTE_ORDER(from->codec), ROAR_CODEC_NATIVE_ENDIAN, from->bits) == -1 ) { |
---|
| 1028 | return -1; |
---|
| 1029 | } |
---|
| 1030 | cin = out; |
---|
| 1031 | } |
---|
| 1032 | |
---|
| 1033 | if ( to->bits > from->bits ) { |
---|
[2100] | 1034 | ROAR_DBG("roar_conv2(*): bits: %i->%i", from->bits, to->bits); |
---|
[2096] | 1035 | if ( roar_conv_bits(out, cin, samples, from->bits, to->bits) == -1 ) |
---|
| 1036 | return -1; |
---|
| 1037 | |
---|
| 1038 | cin = out; |
---|
| 1039 | cinfo.bits = to->bits; |
---|
| 1040 | } |
---|
| 1041 | |
---|
[2098] | 1042 | if ( need_signed && ! ROAR_CODEC_IS_SIGNED(from->codec) ) { |
---|
[2100] | 1043 | ROAR_DBG("roar_conv2(*): sign: unsigned->signed"); |
---|
[2098] | 1044 | if ( roar_conv_signedness(out, cin, samples, |
---|
| 1045 | ROAR_CODEC_IS_SIGNED(from->codec), ROAR_CODEC_IS_SIGNED(to->codec), |
---|
| 1046 | cinfo.bits) == -1 ) |
---|
| 1047 | return -1; |
---|
| 1048 | |
---|
| 1049 | cin = out; |
---|
| 1050 | cinfo.codec = ROAR_CODEC_PCM_S_LE; // just a signed PCM, which is of no intrest |
---|
| 1051 | } |
---|
| 1052 | |
---|
[2096] | 1053 | if ( to->channels > from->channels ) { |
---|
[2100] | 1054 | ROAR_DBG("roar_conv2(*): channels: %i->%i", from->channels, to->channels); |
---|
[2748] | 1055 | if ( roar_conv_chans(out, cin, samples, from->channels, to->channels, cinfo.bits) == -1 ) |
---|
[2096] | 1056 | return -1; |
---|
| 1057 | |
---|
| 1058 | cin = out; |
---|
| 1059 | cinfo.channels = to->channels; |
---|
| 1060 | } |
---|
| 1061 | |
---|
[2103] | 1062 | //--// |
---|
| 1063 | if ( from->rate != to->rate ) { |
---|
| 1064 | if ( roar_conv_rate(out, cin, samples, from->rate, to->rate, cinfo.bits, cinfo.channels) == -1 ) |
---|
| 1065 | return -1; |
---|
| 1066 | |
---|
| 1067 | cin = out; |
---|
| 1068 | samples = (float)samples * (float)to->rate / (float)from->rate; |
---|
| 1069 | cinfo.rate = to->rate; |
---|
| 1070 | } |
---|
| 1071 | |
---|
[2098] | 1072 | if ( cinfo.channels != to->channels ) { |
---|
[2100] | 1073 | ROAR_DBG("roar_conv2(*): channels: %i->%i", cinfo.channels, to->channels); |
---|
[2098] | 1074 | if ( roar_conv_chans(out, cin, samples, cinfo.channels, to->channels, cinfo.bits) == -1 ) |
---|
| 1075 | return -1; |
---|
| 1076 | |
---|
| 1077 | cin = out; |
---|
| 1078 | cinfo.channels = to->channels; |
---|
| 1079 | } |
---|
| 1080 | |
---|
| 1081 | if ( ROAR_CODEC_IS_SIGNED(cinfo.codec) != ROAR_CODEC_IS_SIGNED(to->codec) ) { |
---|
[2100] | 1082 | ROAR_DBG("roar_conv2(*): sign: ?(%i)->?(%i)", ROAR_CODEC_IS_SIGNED(cinfo.codec), ROAR_CODEC_IS_SIGNED(to->codec)); |
---|
[2097] | 1083 | if ( roar_conv_signedness(out, cin, samples, |
---|
[2098] | 1084 | ROAR_CODEC_IS_SIGNED(cinfo.codec), ROAR_CODEC_IS_SIGNED(to->codec), |
---|
[2097] | 1085 | cinfo.bits) == -1 ) |
---|
| 1086 | return -1; |
---|
| 1087 | |
---|
| 1088 | cin = out; |
---|
| 1089 | cinfo.codec = to->codec; |
---|
| 1090 | } |
---|
[2096] | 1091 | |
---|
| 1092 | if ( cinfo.bits != to->bits ) { |
---|
[2100] | 1093 | ROAR_DBG("roar_conv2(*): bits: %i->%i", cinfo.bits, to->bits); |
---|
[2096] | 1094 | if ( roar_conv_bits(out, cin, samples, cinfo.bits, to->bits) == -1 ) |
---|
| 1095 | return -1; |
---|
| 1096 | |
---|
| 1097 | cin = out; |
---|
| 1098 | cinfo.bits = to->bits; |
---|
| 1099 | } |
---|
| 1100 | |
---|
| 1101 | if ( ROAR_CODEC_BYTE_ORDER(to->codec) != ROAR_CODEC_NATIVE_ENDIAN ) { |
---|
[2100] | 1102 | ROAR_DBG("roar_conv2(*): doing bo output conv"); |
---|
[2096] | 1103 | if ( roar_conv_endian(out, cin, samples, |
---|
| 1104 | ROAR_CODEC_NATIVE_ENDIAN, ROAR_CODEC_BYTE_ORDER(to->codec), to->bits) == -1 ) { |
---|
| 1105 | return -1; |
---|
| 1106 | } |
---|
| 1107 | cin = out; |
---|
| 1108 | } |
---|
| 1109 | |
---|
[2100] | 1110 | ROAR_DBG("roar_conv2(*) = 0"); |
---|
[2096] | 1111 | return 0; |
---|
[2094] | 1112 | } |
---|
[383] | 1113 | |
---|
| 1114 | int roar_conv_poly4_16 (int16_t * out, int16_t * in, size_t olen, size_t ilen) { |
---|
[386] | 1115 | return roar_conv_poly4_16s(out, in, olen, ilen, (float)ilen/olen); |
---|
| 1116 | } |
---|
| 1117 | |
---|
| 1118 | int roar_conv_poly4_16s (int16_t * out, int16_t * in, size_t olen, size_t ilen, float step) { |
---|
[383] | 1119 | float poly[4]; |
---|
| 1120 | float data[4]; |
---|
| 1121 | float t = 0; |
---|
| 1122 | int16_t * ci = in; |
---|
| 1123 | int io, ii = 0; |
---|
| 1124 | int i; |
---|
| 1125 | |
---|
[386] | 1126 | printf("step=%f\n", step); |
---|
| 1127 | |
---|
[383] | 1128 | // we can not make a poly4 with less than 4 points ;) |
---|
| 1129 | if ( ilen < 4 ) |
---|
| 1130 | return -1; |
---|
| 1131 | |
---|
| 1132 | for (i = 0; i < 4; i++) |
---|
| 1133 | data[i] = ci[i]; |
---|
| 1134 | roar_math_mkpoly_4x4(poly, data); |
---|
| 1135 | /* |
---|
| 1136 | printf("new poly: data[4] = {%f, %f, %f, %f}, poly[4] = {%f, %f, %f, %f}\n", |
---|
| 1137 | data[0], data[1], data[2], data[3], |
---|
| 1138 | poly[0], poly[1], poly[2], poly[3] |
---|
| 1139 | ); |
---|
| 1140 | */ |
---|
| 1141 | |
---|
| 1142 | //0 1 2 3 |
---|
| 1143 | |
---|
| 1144 | for (io = 0; io < olen; io++) { |
---|
| 1145 | // printf("t=%f\n", t); |
---|
| 1146 | out[io] = roar_math_cvpoly_4x4(poly, t); |
---|
| 1147 | t += step; |
---|
| 1148 | if ( t > 2 ) { // we need a new ploynome |
---|
| 1149 | // printf("t > 2, need new data\n"); |
---|
| 1150 | if ( (ii + 4) < ilen ) { // else: end of block. |
---|
| 1151 | t -= 1; |
---|
| 1152 | // printf("new data: ii=%i\n", ii); |
---|
| 1153 | ii++; |
---|
| 1154 | ci++; |
---|
| 1155 | for (i = 0; i < 4; i++) |
---|
| 1156 | data[i] = ci[i]; |
---|
| 1157 | roar_math_mkpoly_4x4(poly, data); |
---|
| 1158 | /* |
---|
| 1159 | printf("new poly: data[4] = {%f, %f, %f, %f}, poly[4] = {%f, %f, %f, %f}\n", |
---|
| 1160 | data[0], data[1], data[2], data[3], |
---|
| 1161 | poly[0], poly[1], poly[2], poly[3] |
---|
| 1162 | ); |
---|
| 1163 | */ |
---|
| 1164 | } |
---|
| 1165 | } |
---|
| 1166 | } |
---|
| 1167 | |
---|
[386] | 1168 | printf("io=%i\n", io); |
---|
| 1169 | |
---|
[383] | 1170 | return 0; |
---|
| 1171 | } |
---|
| 1172 | |
---|
[0] | 1173 | //ll |
---|