1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135
|
/*
* Diverse Bristol audio routines.
* Copyright (c) by Nick Copeland <nickycopeland@hotmail.com> 1996,2012
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
/*#define DEBUG */
#include <math.h>
#include "bristol.h"
#include "bristolmm.h"
extern void mapVelocityCurve(int, float []);
/*
* Use of these jupiter global buffers will be an issue with use of multiple
* audio threads, unless we ensure a single thread deals with any given algo
* type, since then they are only used sequentially.
*/
static float *freqbuf = (float *) NULL;
static float *adsr1buf = (float *) NULL;
static float *adsr2buf = (float *) NULL;
static float *filtbuf = (float *) NULL;
static float *dco1buf = (float *) NULL;
static float *dco2buf = (float *) NULL;
static float *zerobuf = (float *) NULL;
static float *outbuf = (float *) NULL;
static float *lfo1buf = (float *) NULL;
static float *lfo2buf = (float *) NULL;
static float *noisebuf = (float *) NULL;
static float *scratchbuf = (float *) NULL;
static float *pwmbuf = (float *) NULL;
static float *vcofmbuf = (float *) NULL;
static float *modbuf = (float *) NULL;
static float *syncbuf = (float *) NULL;
/*
* These need to go into some local structure for multiple instances
* of the jupiter - malloc()ed into the baudio->mixlocals.
*/
#define JUPITER_LOWER_LAYER 0x00000001
#define JUPITER_NOISE_UNI 0x00000002
#define JUPITER_LFO1_UNI 0x00000004
#define JUPITER_LFO1_MASK 0x000000F0
#define JUPITER_LFO1_TRI 0x00000010
#define JUPITER_LFO1_RAMP 0x00000020
#define JUPITER_LFO1_SQR 0x00000040
#define JUPITER_LFO1_SH 0x00000080
#define JUPITER_SYNC_2_2_1 0x00000100
#define JUPITER_ENV_INV 0x00000200
#define JUPITER_FM 0x00000400
#define JUPITER_NO_DCO1 0x00000800
#define FREQ_MOD_VCO1 0x00001000
#define FREQ_MOD_VCO2 0x00002000
#define JUPITER_PWM_LFO1 0x00004000
#define JUPITER_PWM_MAN 0x00008000
#define JUPITER_PWM_ENV1 0x00010000
#define JUPITER_VCF_ENV1 0x00020000
#define JUPITER_PWM_DCO1 0x00040000
#define JUPITER_PWM_DCO2 0x00080000
#define JUPITER_SYNC_1_2_2 0x00100000
#define JUPITER_XMOD_ENV 0x00200000
#define JUPITER_MOD_ENABLE 0x00400000
typedef struct bMods {
unsigned int flags;
float *lout;
float *rout;
int voicecount;
float lpan;
float rpan;
float gain;
float lmix;
float rmix;
float xmod;
float noisegain;
float dcoLFO1FM;
float dcoEnv1FM;
float pw;
float vcfEnv;
float vcfLFO;
float vcaEnv;
float vcaLFO;
float bendVco1;
float bendVco2;
float bendVcf;
float lfo2vco;
float lfo2vcf;
float *dco2buf[BRISTOL_VOICECOUNT];
} bmods;
int
jupiterController(Baudio *baudio, u_char operator,
u_char controller, float value)
{
int tval = value * CONTROLLER_RANGE;
#ifdef DEBUG
printf("bristolupiterControl(%i, %i, %f)\n", operator, controller, value);
#endif
if (operator != 126)
return(0);
switch (controller) {
case 0:
baudio->glide = value * value * baudio->glidemax;
break;
case 1:
baudio->gtune = 1.0
+ (baudio->note_diff - 1)
* (value * 2 - 1);
buildCurrentTable(baudio, baudio->gtune);
alterAllNotes(baudio);
break;
case 2:
/*
* When we go into Uni mode then configure 6 voices on this layer
* otherwise just three.
*/
if (tval == 2)
baudio->voicecount = 1;
else if (tval == 1)
baudio->voicecount = ((bmods *) baudio->mixlocals)->voicecount;
else if (((bmods *) baudio->mixlocals)->flags & JUPITER_LOWER_LAYER)
baudio->voicecount =
((bmods *) baudio->mixlocals)->voicecount >> 1;
else
baudio->voicecount = ((bmods *) baudio->mixlocals)->voicecount;
break;
case 3:
((bmods *) baudio->mixlocals)->gain = value * 0.01625;
break;
case 4:
((bmods *) baudio->mixlocals)->lpan = (1.0 - value);
((bmods *) baudio->mixlocals)->rpan = value;
/*
if (tval == 0)
value += 1.0f/CONTROLLER_RANGE;
else if (tval == CONTROLLER_RANGE)
value -= 1.0f/CONTROLLER_RANGE;
((bmods *) baudio->mixlocals)->lpan =
-log10f(sinf(M_PI/2.0f * value));
((bmods *) baudio->mixlocals)->rpan =
-log10f(cosf(M_PI/2.0f * value));
*/
break;
case 5:
((bmods *) baudio->mixlocals)->noisegain = value;
break;
case 6:
/*
* This is a correct midi paninng calculation roughly as taken from
* MMA corrective notes for stereo panning. It does not work
* too well for an L/R mix though as it applies a constant power
* algorithm and gets very unbalanced at full throws.
*
if (tval == 0)
value += 1.0f/CONTROLLER_RANGE;
else if (tval == CONTROLLER_RANGE)
value -= 1.0f/CONTROLLER_RANGE;
((bmods *) baudio->mixlocals)->lmix = 20 *
log10f(cosf(M_PI/2.0f * value));
((bmods *) baudio->mixlocals)->rmix = 20 *
log10f(sinf(M_PI/2.0f * value));
printf("mix now %f/%f\n",
((bmods *) baudio->mixlocals)->lmix,
((bmods *) baudio->mixlocals)->rmix);
*/
((bmods *) baudio->mixlocals)->lmix = (1.0 - value) * 5;
((bmods *) baudio->mixlocals)->rmix = value * 5;
break;
case 7:
if (value == 0)
baudio->mixflags &= ~BRISTOL_V_UNISON;
else
baudio->mixflags |= BRISTOL_V_UNISON;
break;
case 8:
((bmods *) baudio->mixlocals)->xmod = value * 0.4;
break;
case 9:
((bmods *) baudio->mixlocals)->dcoLFO1FM = value * 0.05;
break;
case 10:
((bmods *) baudio->mixlocals)->dcoEnv1FM = value;
break;
case 11:
switch (tval) {
case 0:
((bmods *) baudio->mixlocals)->flags &= ~FREQ_MOD_VCO1;
((bmods *) baudio->mixlocals)->flags |= FREQ_MOD_VCO2;
break;
case 2:
((bmods *) baudio->mixlocals)->flags |= FREQ_MOD_VCO1;
((bmods *) baudio->mixlocals)->flags &= ~FREQ_MOD_VCO2;
break;
default:
((bmods *) baudio->mixlocals)->flags |= FREQ_MOD_VCO1;
((bmods *) baudio->mixlocals)->flags |= FREQ_MOD_VCO2;
}
break;
case 12:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_TRI;
else {
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_MASK;
((bmods *) baudio->mixlocals)->flags |= JUPITER_LFO1_TRI;
}
break;
case 13:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_RAMP;
else {
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_MASK;
((bmods *) baudio->mixlocals)->flags |= JUPITER_LFO1_RAMP;
}
break;
case 14:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_SQR;
else {
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_MASK;
((bmods *) baudio->mixlocals)->flags |= JUPITER_LFO1_SQR;
}
break;
case 15:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_SH;
else {
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_MASK;
((bmods *) baudio->mixlocals)->flags |= JUPITER_LFO1_SH;
}
break;
case 16:
((bmods *) baudio->mixlocals)->pw = value * 100;
break;
case 17:
switch (tval) {
case 0:
((bmods *) baudio->mixlocals)->flags |= JUPITER_PWM_ENV1;
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_PWM_MAN;
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_PWM_LFO1;
break;
case 2:
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_PWM_ENV1;
((bmods *) baudio->mixlocals)->flags |= JUPITER_PWM_MAN;
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_PWM_LFO1;
break;
default:
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_PWM_ENV1;
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_PWM_MAN;
((bmods *) baudio->mixlocals)->flags |= JUPITER_PWM_LFO1;
}
break;
case 18:
((bmods *) baudio->mixlocals)->vcfEnv = value;
break;
case 19:
if (tval == 0)
((bmods *) baudio->mixlocals)->flags |= JUPITER_VCF_ENV1;
else
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_VCF_ENV1;
break;
case 20:
((bmods *) baudio->mixlocals)->vcfLFO = value * 0.7;
break;
case 21:
((bmods *) baudio->mixlocals)->vcaEnv = value;
break;
case 22:
((bmods *) baudio->mixlocals)->vcaLFO = value;
break;
case 23:
/* MODS: Bend to VCO1 */
((bmods *) baudio->mixlocals)->bendVco1 = value * 2;
break;
case 24:
/* MODS: Bend to VCO2 */
((bmods *) baudio->mixlocals)->bendVco2 = value * 2;
break;
case 25:
/* MODS: Bend to VCF */
((bmods *) baudio->mixlocals)->bendVcf = value * 2;
break;
case 26:
/* MODS: LFO-2 to VCO */
((bmods *) baudio->mixlocals)->lfo2vco = value * 0.1;
break;
case 27:
/* MODS: LFO-2 to VCF */
((bmods *) baudio->mixlocals)->lfo2vcf = value * 0.5;
break;
case 29:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_LFO1_UNI;
else
((bmods *) baudio->mixlocals)->flags |= JUPITER_LFO1_UNI;
break;
case 30:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_XMOD_ENV;
else
((bmods *) baudio->mixlocals)->flags |= JUPITER_XMOD_ENV;
break;
case 31:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_NOISE_UNI;
else
((bmods *) baudio->mixlocals)->flags |= JUPITER_NOISE_UNI;
break;
case 33:
if (value == 0)
((bmods *) baudio->mixlocals)->flags |= JUPITER_PWM_DCO1;
else
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_PWM_DCO1;
break;
case 34:
if (value == 0)
((bmods *) baudio->mixlocals)->flags |= JUPITER_PWM_DCO2;
else
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_PWM_DCO2;
break;
case 38:
((bmods *) baudio->mixlocals)->flags &=
~(JUPITER_SYNC_1_2_2|JUPITER_SYNC_2_2_1);
if (tval == 0)
((bmods *) baudio->mixlocals)->flags |= JUPITER_SYNC_1_2_2;
else if (tval == 2)
((bmods *) baudio->mixlocals)->flags |= JUPITER_SYNC_2_2_1;
break;
case 39:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_ENV_INV;
else
((bmods *) baudio->mixlocals)->flags |= JUPITER_ENV_INV;
break;
case 40:
if (value == 0)
((bmods *) baudio->mixlocals)->flags &= ~JUPITER_MOD_ENABLE;
else
((bmods *) baudio->mixlocals)->flags |= JUPITER_MOD_ENABLE;
break;
case 42:
{
/*
* This will only access the exponential maps, the others will not
* be available from this interface. See audiothread.c for code.
*
* This has moved into BRISTOL_NRP_VELOCITY.
*/
if (tval < 0)
tval = 0;
else if (tval > 25)
tval = 25;
mapVelocityCurve(tval + 500, &baudio->velocitymap[0]);
break;
}
case 101:
case 126:
/* This is the dummy entry */
break;
}
return(0);
}
/*
* Bristol preops are given a sometimes arbitrary voice selection, something
* that will affect the operation of the LFO-2 and LFO-1 when configured
* as UNI. Also, the LFO should only run once per pair of layers so that
* the same LFO is applied to both of them. This cannot only be run in the
* lower layer even though we do have a layer flag available for the simple
* reason that the lower layer may not actually undergo preops (if no keys
* from the lower layer are being played). For that reason we use the rather
* ugly lfo1exclusion flag. The semi arbitrary voice is actually the 1st one on
* the playlist for this emulation, typically the most recent key pressed except
* when seconding has been applied. This means we will mostly get the LFO to
* track the most recent velocity at the expense of envelope retriggers. At
* steady state the envelope should continue to open as expected.
*/
static int lfo1exclusion = 0;
int
jupiterPreops(audioMain *audiomain, Baudio *baudio,
bristolVoice *voice, register float *startbuf)
{
if (freqbuf == NULL)
return(0);
bristolbzero(((bmods *) baudio->mixlocals)->lout, audiomain->segmentsize);
bristolbzero(((bmods *) baudio->mixlocals)->rout, audiomain->segmentsize);
/*
* This will eventually manage LFO_MULTI options, separately per LFO.
*/
if (((bmods *) baudio->mixlocals)->flags & JUPITER_NOISE_UNI)
{
bristolbzero(noisebuf, audiomain->segmentsize);
audiomain->palette[4]->specs->io[0].buf = noisebuf;
(*baudio->sound[10]).operate(
(audiomain->palette)[4],
voice,
(*baudio->sound[10]).param,
voice->locals[voice->index][10]);
}
/*
* LFO. We need to review flags to decide where to place our buffers, kick
* off with a sine wave and take it from there (sine should be the default
* if all others are deselected?).
*/
if (((bmods *) baudio->mixlocals)->flags & JUPITER_LFO1_UNI)
{
bristolbzero(scratchbuf, audiomain->segmentsize);
bristolbzero(lfo1buf, audiomain->segmentsize);
audiomain->palette[16]->specs->io[0].buf = noisebuf;
audiomain->palette[16]->specs->io[1].buf = 0;
audiomain->palette[16]->specs->io[2].buf = 0;
audiomain->palette[16]->specs->io[3].buf = 0;
audiomain->palette[16]->specs->io[4].buf = 0;
audiomain->palette[16]->specs->io[5].buf = 0;
switch (((bmods *) baudio->mixlocals)->flags & JUPITER_LFO1_MASK) {
case JUPITER_LFO1_TRI:
audiomain->palette[16]->specs->io[1].buf = scratchbuf;
break;
case JUPITER_LFO1_RAMP:
audiomain->palette[16]->specs->io[5].buf = scratchbuf;
break;
case JUPITER_LFO1_SQR:
audiomain->palette[16]->specs->io[2].buf = scratchbuf;
break;
case JUPITER_LFO1_SH:
audiomain->palette[16]->specs->io[3].buf = scratchbuf;
break;
default:
audiomain->palette[16]->specs->io[4].buf = scratchbuf;
break;
}
(*baudio->sound[0]).operate(
(audiomain->palette)[16],
voice,
(*baudio->sound[0]).param,
baudio->locals[voice->index][0]);
/*
* We should now generate the ADSR and feed the LFO through it.
*/
audiomain->palette[1]->specs->io[0].buf = adsr1buf;
(*baudio->sound[2]).operate(
(audiomain->palette)[1],
voice,
(*baudio->sound[2]).param,
voice->locals[voice->index][2]);
audiomain->palette[2]->specs->io[0].buf = scratchbuf;
audiomain->palette[2]->specs->io[1].buf = adsr1buf;
audiomain->palette[2]->specs->io[2].buf = lfo1buf;
(*baudio->sound[8]).operate(
(audiomain->palette)[2],
voice,
(*baudio->sound[8]).param,
baudio->locals[voice->index][8]);
}
if (lfo1exclusion)
return(0);
/*
* LFO2, from the mod panel, sine only.
*/
bristolbzero(scratchbuf, audiomain->segmentsize);
bristolbzero(lfo2buf, audiomain->segmentsize);
audiomain->palette[16]->specs->io[0].buf = noisebuf;
audiomain->palette[16]->specs->io[1].buf = 0;
audiomain->palette[16]->specs->io[2].buf = 0;
audiomain->palette[16]->specs->io[3].buf = 0;
audiomain->palette[16]->specs->io[4].buf = scratchbuf; /* Sine */
audiomain->palette[16]->specs->io[5].buf = 0;
audiomain->palette[16]->specs->io[6].buf = 0;
(*baudio->sound[1]).operate(
(audiomain->palette)[16],
voice,
(*baudio->sound[1]).param,
baudio->locals[voice->index][1]);
/*
* We should now generate the ADSR and feed the LFO through it.
*/
audiomain->palette[1]->specs->io[0].buf = adsr1buf;
(*baudio->sound[3]).operate(
(audiomain->palette)[1],
voice,
(*baudio->sound[3]).param,
voice->locals[voice->index][3]);
audiomain->palette[2]->specs->io[0].buf = scratchbuf;
audiomain->palette[2]->specs->io[1].buf = adsr1buf;
audiomain->palette[2]->specs->io[2].buf = lfo2buf;
(*baudio->sound[8]).operate(
(audiomain->palette)[2],
voice,
(*baudio->sound[8]).param,
baudio->locals[voice->index][8]);
lfo1exclusion = 1;
return(0);
}
int
operateOneJupiter(audioMain *audiomain, Baudio *baudio,
bristolVoice *voice, register float *startbuf)
{
bmods *mixlocal = (bmods *) baudio->mixlocals;
dco2buf = mixlocal->dco2buf[voice->index];
/*
* Kick this off with a single oscillator into an AMP with env. When this
* works with memories from the GUI and layers in the engine then we can
* extend the features.
*/
if (freqbuf == NULL)
return(0);
/* printf("operate %i, %x\n", voice->index, baudio); */
bristolbzero(dco1buf, audiomain->segmentsize);
bristolbzero(zerobuf, audiomain->segmentsize);
bristolbzero(outbuf, audiomain->segmentsize);
bristolbzero(filtbuf, audiomain->segmentsize);
if ((mixlocal->flags & JUPITER_NOISE_UNI) == 0)
{
bristolbzero(noisebuf, audiomain->segmentsize);
audiomain->palette[4]->specs->io[0].buf = noisebuf;
(*baudio->sound[10]).operate(
(audiomain->palette)[4],
voice,
(*baudio->sound[10]).param,
voice->locals[voice->index][10]);
}
/* One LFO MULTI */
/*
* LFO. We need to review flags to decide where to place our buffers, kick
* off with a sine wave and take it from there (sine should be the default
* if all others are deselected?).
*/
if ((mixlocal->flags & JUPITER_LFO1_UNI) == 0)
{
/* bristolbzero(scratchbuf, audiomain->segmentsize); */
bristolbzero(lfo1buf, audiomain->segmentsize);
audiomain->palette[16]->specs->io[0].buf = noisebuf;
audiomain->palette[16]->specs->io[1].buf = 0;
audiomain->palette[16]->specs->io[2].buf = 0;
audiomain->palette[16]->specs->io[3].buf = 0;
audiomain->palette[16]->specs->io[4].buf = 0;
audiomain->palette[16]->specs->io[5].buf = 0;
switch (mixlocal->flags & JUPITER_LFO1_MASK) {
case JUPITER_LFO1_TRI:
audiomain->palette[16]->specs->io[1].buf = scratchbuf;
break;
case JUPITER_LFO1_RAMP:
audiomain->palette[16]->specs->io[5].buf = scratchbuf;
break;
case JUPITER_LFO1_SQR:
audiomain->palette[16]->specs->io[2].buf = scratchbuf;
break;
case JUPITER_LFO1_SH:
audiomain->palette[16]->specs->io[3].buf = scratchbuf;
break;
default:
audiomain->palette[16]->specs->io[4].buf = scratchbuf;
break;
}
(*baudio->sound[0]).operate(
(audiomain->palette)[16],
voice,
(*baudio->sound[0]).param,
baudio->locals[voice->index][0]);
/*
* We should now generate the ADSR and feed the LFO through it.
*/
audiomain->palette[1]->specs->io[0].buf = adsr1buf;
(*baudio->sound[2]).operate(
(audiomain->palette)[1],
voice,
(*baudio->sound[2]).param,
voice->locals[voice->index][2]);
audiomain->palette[2]->specs->io[0].buf = scratchbuf;
audiomain->palette[2]->specs->io[1].buf = adsr1buf;
audiomain->palette[2]->specs->io[2].buf = lfo1buf;
(*baudio->sound[8]).operate(
(audiomain->palette)[2],
voice,
(*baudio->sound[8]).param,
baudio->locals[voice->index][8]);
}
/* ADSR Processing */
/*
* Run the AMP ADSR - this should actually happen after the filter ADSR
* to ensure the flags don't get mangled, but either way we need this
* before the DCO since we may be applying PWM with them.
*/
audiomain->palette[1]->specs->io[0].buf = adsr1buf;
(*baudio->sound[7]).operate(
(audiomain->palette)[1],
voice,
(*baudio->sound[7]).param,
voice->locals[voice->index][7]);
audiomain->palette[1]->specs->io[0].buf = adsr2buf;
(*baudio->sound[9]).operate(
(audiomain->palette)[1],
voice,
(*baudio->sound[9]).param,
voice->locals[voice->index][9]);
if (mixlocal->flags & JUPITER_ENV_INV)
{
int i, s = audiomain->samplecount;
for (i = 0; i < s; i++)
adsr1buf[i] = -adsr1buf[i];
}
/* End of ADSR Processing */
/* DCO MOD processing */
fillFreqTable(baudio, voice, freqbuf, audiomain->samplecount, 1);
/*
* Put in LFO1 and ENV1 into vcofmbuf at specified levels
*/
if (mixlocal->dcoLFO1FM != 0.0) {
bufmerge(lfo1buf, mixlocal->dcoLFO1FM,
vcofmbuf, 0.0, audiomain->samplecount);
if (mixlocal->dcoEnv1FM != 0.0)
bufmerge(adsr1buf, mixlocal->dcoEnv1FM,
vcofmbuf, 1.0, audiomain->samplecount);
} else {
if (mixlocal->dcoEnv1FM != 0.0)
bufmerge(adsr1buf, mixlocal->dcoEnv1FM,
vcofmbuf, 0.0, audiomain->samplecount);
else
bristolbzero(vcofmbuf, audiomain->segmentsize);
}
if (mixlocal->pw != 0.0) {
if (mixlocal->flags & JUPITER_PWM_ENV1)
bufmerge(adsr1buf, mixlocal->pw,
pwmbuf, 0.0, audiomain->samplecount);
else if (mixlocal->flags & JUPITER_PWM_LFO1) {
bufmerge(lfo1buf, mixlocal->pw,
pwmbuf, 0.0, audiomain->samplecount);
} else /* Fix a single value */ {
register int i, s = audiomain->samplecount;
register float pw = mixlocal->pw;
register float *pwmb = pwmbuf;
for (i = 0; i < s; i++) *pwmb++ = pw;
}
} else
bristolbzero(pwmbuf, audiomain->segmentsize);
/* End DCO-1 MOD processing */
/* DCO-1 processing */
/*
* Run DCO-1.
*/
bufmerge(freqbuf, 1.0, scratchbuf, 0.0, audiomain->samplecount);
/*
* Freq mods can be two LFO, oscB and Env1
*/
if (mixlocal->xmod != 0.0) {
if (mixlocal->flags & JUPITER_XMOD_ENV) {
bufmerge(dco2buf, 0.05, dco2buf, 0.0, audiomain->samplecount);
audiomain->palette[2]->specs->io[0].buf = dco2buf;
audiomain->palette[2]->specs->io[1].buf = adsr1buf;
audiomain->palette[2]->specs->io[2].buf = scratchbuf;
(*baudio->sound[8]).operate(
(audiomain->palette)[2],
voice,
(*baudio->sound[8]).param,
baudio->locals[voice->index][8]);
} else
bufmerge(dco2buf, mixlocal->xmod,
scratchbuf, 1.0, audiomain->samplecount);
}
if (mixlocal->flags & FREQ_MOD_VCO1)
bufmerge(vcofmbuf, 1.0, scratchbuf, 1.0, audiomain->samplecount);
if ((mixlocal->lfo2vco != 0)
&& (((bmods *) baudio->mixlocals)->flags & JUPITER_MOD_ENABLE))
bufmerge(lfo2buf, mixlocal->lfo2vco,
scratchbuf, 1.0, audiomain->samplecount);
if ((mixlocal->bendVco1 != 0) &&
(((bmods *) baudio->mixlocals)->flags & JUPITER_MOD_ENABLE))
{
register int i;
register float j;
/*
* We need to normalise the controller value, scale it by the depth
* of bend then add into the filter cutoff
*/
j = (baudio->contcontroller[1] - 0.5) * 2 * mixlocal->bendVco1;
for (i = 0; i < audiomain->samplecount; i++)
scratchbuf[i] += j;
}
audiomain->palette[30]->specs->io[0].buf = scratchbuf;
audiomain->palette[30]->specs->io[1].buf = dco1buf;
audiomain->palette[30]->specs->io[2].buf = pwmbuf; /* PWM buff */
if (mixlocal->flags & JUPITER_SYNC_2_2_1) {
audiomain->palette[30]->specs->io[3].buf = syncbuf; /* Sync buff */
audiomain->palette[30]->specs->io[4].buf = NULL; /* Sync out buff */
} else {
audiomain->palette[30]->specs->io[3].buf = zerobuf;
audiomain->palette[30]->specs->io[4].buf = syncbuf; /* Sync out buff */
}
(*baudio->sound[4]).operate(
(audiomain->palette)[30],
voice,
(*baudio->sound[4]).param,
voice->locals[voice->index][4]);
/* End of DCO-1 processing */
/* DCO-2 processing */
bristolbzero(dco2buf, audiomain->segmentsize);
/*
* Then DCO-2 and its mods.
*/
bufmerge(freqbuf, 1.0, scratchbuf, 0.0, audiomain->samplecount);
/*
* Freq mods can be two LFO, oscB and Env1
*/
if (mixlocal->flags & FREQ_MOD_VCO2)
bufmerge(vcofmbuf, 1.0, scratchbuf, 1.0, audiomain->samplecount);
if ((mixlocal->lfo2vco != 0)
&& (((bmods *) baudio->mixlocals)->flags & JUPITER_MOD_ENABLE))
bufmerge(lfo2buf, mixlocal->lfo2vco,
scratchbuf, 1.0, audiomain->samplecount);
if ((mixlocal->bendVco2 != 0)
&& (((bmods *) baudio->mixlocals)->flags & JUPITER_MOD_ENABLE))
{
register int i;
register float j;
/*
* We need to normalise the controller value, scale it by the depth
* of bend then add into the filter cutoff
*/
j = (baudio->contcontroller[1] - 0.5) * 2 * mixlocal->bendVco2;
for (i = 0; i < audiomain->samplecount; i++)
scratchbuf[i] += j;
}
audiomain->palette[30]->specs->io[0].buf = scratchbuf;
audiomain->palette[30]->specs->io[1].buf = dco2buf;
audiomain->palette[30]->specs->io[2].buf = pwmbuf; /* PWM buff */
if (mixlocal->flags & JUPITER_SYNC_1_2_2) {
audiomain->palette[30]->specs->io[3].buf = syncbuf; /* Sync buff */
audiomain->palette[30]->specs->io[4].buf = NULL; /* Sync buff */
} else {
audiomain->palette[30]->specs->io[3].buf = zerobuf;
audiomain->palette[30]->specs->io[4].buf = syncbuf;
}
(*baudio->sound[5]).operate(
(audiomain->palette)[30],
voice,
(*baudio->sound[5]).param,
voice->locals[voice->index][5]);
/* DCO-2 processing */
/* Add in the noise */
if (mixlocal->noisegain != 0.0)
bufmerge(noisebuf, mixlocal->noisegain,
dco2buf, 1.0, audiomain->samplecount);
/* Add in DCO-1 */
bufmerge(dco2buf, mixlocal->rmix * 512.0,
dco1buf, mixlocal->lmix * 512.0,
audiomain->samplecount);
/*
* Put the HPF filter in.
*/
audiomain->palette[10]->specs->io[0].buf = dco1buf;
audiomain->palette[10]->specs->io[1].buf = dco1buf;
(*baudio->sound[11]).operate(
(audiomain->palette)[10],
voice,
(*baudio->sound[11]).param,
voice->locals[voice->index][11]);
/* Filter processing */
/*
* Filter mods may be Env1 or 2, LFO-1 or LFO-2. Dump them into scratch.
*/
if (mixlocal->vcfEnv != 0.0) {
if (mixlocal->flags & JUPITER_VCF_ENV1)
bufmerge(adsr1buf, mixlocal->vcfEnv,
scratchbuf, 0.0, audiomain->samplecount);
else
bufmerge(adsr2buf, mixlocal->vcfEnv,
scratchbuf, 0.0, audiomain->samplecount);
if (mixlocal->vcfLFO != 0.0)
bufmerge(lfo1buf, mixlocal->vcfLFO,
scratchbuf, 1.0, audiomain->samplecount);
} else {
if (mixlocal->vcfLFO != 0.0)
bufmerge(lfo1buf, mixlocal->vcfLFO,
scratchbuf, 0.0, audiomain->samplecount);
else
bristolbzero(scratchbuf, audiomain->segmentsize);
}
if ((mixlocal->lfo2vcf != 0)
&& (((bmods *) baudio->mixlocals)->flags & JUPITER_MOD_ENABLE))
bufmerge(lfo2buf, mixlocal->lfo2vcf,
scratchbuf, 1.0, audiomain->samplecount);
if ((mixlocal->bendVcf != 0)
&& (((bmods *) baudio->mixlocals)->flags & JUPITER_MOD_ENABLE))
{
register int i;
register float j;
/*
* We need to normalise the controller value, scale it by the depth
* of bend then add into the filter cutoff
*/
j = (baudio->contcontroller[1] - 0.5) * 2 * mixlocal->bendVcf;
for (i = 0; i < audiomain->samplecount; i++)
scratchbuf[i] += j;
}
/*
* Run the DCO output through the filter using the first ADSR
*/
audiomain->palette[3]->specs->io[0].buf = dco1buf;
audiomain->palette[3]->specs->io[1].buf = scratchbuf;
audiomain->palette[3]->specs->io[2].buf = filtbuf;
(*baudio->sound[6]).operate(
(audiomain->palette)[3],
voice,
(*baudio->sound[6]).param,
baudio->locals[voice->index][6]);
/* End of Filter processing */
/* VCA processing */
/*
* Env mods are Env-2 and two LFO.
*/
bufmerge(lfo1buf, mixlocal->vcaLFO,
adsr2buf, mixlocal->vcaEnv,
audiomain->samplecount);
/*
* Run filter output through the AMP using the second ADSR
*/
audiomain->palette[2]->specs->io[0].buf = filtbuf;
audiomain->palette[2]->specs->io[1].buf = adsr2buf;
audiomain->palette[2]->specs->io[2].buf = outbuf;
(*baudio->sound[8]).operate(
(audiomain->palette)[2],
voice,
(*baudio->sound[8]).param,
baudio->locals[voice->index][8]);
/* VCA processing */
/* Panning */
bufmerge(outbuf, mixlocal->lpan,
mixlocal->lout, 1.0,
audiomain->samplecount);
bufmerge(outbuf, mixlocal->rpan,
mixlocal->rout, 1.0,
audiomain->samplecount);
/* Panning */
return(0);
}
int
jupiterPostops(audioMain *audiomain, Baudio *baudio,
bristolVoice *voice, register float *startbuf)
{
if (freqbuf == NULL)
return(0);
bufmerge(((bmods *) baudio->mixlocals)->lout,
((bmods *) baudio->mixlocals)->gain,
baudio->leftbuf, 1.0,
audiomain->samplecount);
bufmerge(((bmods *) baudio->mixlocals)->rout,
((bmods *) baudio->mixlocals)->gain,
baudio->rightbuf, 1.0,
audiomain->samplecount);
lfo1exclusion = 0;
return(0);
}
int
static bristolJupiterDestroy(audioMain *audiomain, Baudio *baudio)
{
int i;
printf("removing one jupiter\n");
for (i = 0; i < BRISTOL_VOICECOUNT; i++)
bristolfree(((bmods *) baudio->mixlocals)->dco2buf[i]);
bristolfree(((bmods *) baudio->mixlocals)->lout);
bristolfree(((bmods *) baudio->mixlocals)->rout);
/*
* The following can be left up to the library. If we free this here then
* we do need to NULL the pointer otherwise glibc may get picky.
*/
bristolfree(baudio->mixlocals);
baudio->mixlocals = NULL;
/*
* We need to leave these, we may have multiple invocations running
*/
return(0);
if (freqbuf != NULL)
bristolfree(freqbuf);
if (adsr1buf != NULL)
bristolfree(adsr1buf);
if (adsr2buf != NULL)
bristolfree(adsr2buf);
if (filtbuf != NULL)
bristolfree(filtbuf);
if (dco1buf != NULL)
bristolfree(dco1buf);
if (zerobuf != NULL)
bristolfree(zerobuf);
if (outbuf != NULL)
bristolfree(outbuf);
if (lfo2buf != NULL)
bristolfree(lfo2buf);
if (lfo1buf != NULL)
bristolfree(lfo1buf);
if (noisebuf != NULL)
bristolfree(noisebuf);
if (scratchbuf != NULL)
bristolfree(scratchbuf);
if (vcofmbuf != NULL)
bristolfree(vcofmbuf);
if (modbuf != NULL)
bristolfree(modbuf);
if (syncbuf != NULL)
bristolfree(syncbuf);
freqbuf = NULL;
adsr1buf = NULL;
adsr2buf = NULL;
filtbuf = NULL;
dco2buf = NULL;
dco1buf = NULL;
zerobuf = NULL;
outbuf = NULL;
lfo1buf = NULL;
lfo2buf = NULL;
noisebuf = NULL;
scratchbuf = NULL;
pwmbuf = NULL;
modbuf = NULL;
syncbuf = NULL;
vcofmbuf = NULL;
return(0);
}
int
bristolJupiterInit(audioMain *audiomain, Baudio *baudio)
{
int i;
printf("initialising jupiter: %i voices\n", baudio->voicecount);
/*
* Two LFO possibly with one envelope each.
* Two DCO
* Filter with Env
* Amp with Env
* Noise source
*/
baudio->soundCount = 12; /* Number of operators in this voice */
/*
* Assign an array of sound pointers.
*/
baudio->sound = (bristolSound **)
bristolmalloc0(sizeof(bristolOP *) * baudio->soundCount);
baudio->effect = (bristolSound **)
bristolmalloc0(sizeof(bristolOP *) * baudio->soundCount);
/* Two LFO with ADSR (for delay) */
initSoundAlgo(16, 0, baudio, audiomain, baudio->sound);
initSoundAlgo(16, 1, baudio, audiomain, baudio->sound);
initSoundAlgo( 1, 2, baudio, audiomain, baudio->sound);
initSoundAlgo( 1, 3, baudio, audiomain, baudio->sound);
/* Two oscillator - these still need harmonic mods */
initSoundAlgo(30, 4, baudio, audiomain, baudio->sound);
initSoundAlgo(30, 5, baudio, audiomain, baudio->sound);
/* A filter with ADSR */
initSoundAlgo( 3, 6, baudio, audiomain, baudio->sound);
initSoundAlgo( 1, 7, baudio, audiomain, baudio->sound);
/* An amplifier with ADSR */
initSoundAlgo( 2, 8, baudio, audiomain, baudio->sound);
initSoundAlgo( 1, 9, baudio, audiomain, baudio->sound);
/* An noise source */
initSoundAlgo( 4, 10, baudio, audiomain, baudio->sound);
/* HPF */
initSoundAlgo(10, 11, baudio, audiomain, baudio->sound);
baudio->param = jupiterController;
baudio->destroy = bristolJupiterDestroy;
baudio->operate = operateOneJupiter;
baudio->preops = jupiterPreops;
baudio->postops = jupiterPostops;
/*
* Put in integrated effects here.
initSoundAlgo(12, 0, baudio, audiomain, baudio->effect);
*/
baudio->mixlocals = (float *) bristolmalloc0(sizeof(bmods));
for (i = 0; i < BRISTOL_VOICECOUNT; i++)
((bmods *) baudio->mixlocals)->dco2buf[i] =
(float *) bristolmalloc0(audiomain->segmentsize);
/*
* If we were the first requested emulation then this is the lower layer
* and needs to be flagged here to ensure correct 'stereo' panning.
*/
if (freqbuf == NULL)
((bmods *) baudio->mixlocals)->flags |= JUPITER_LOWER_LAYER;
((bmods *) baudio->mixlocals)->lout =
(float *) bristolmalloc0(audiomain->segmentsize);
((bmods *) baudio->mixlocals)->rout =
(float *) bristolmalloc0(audiomain->segmentsize);
((bmods *) baudio->mixlocals)->voicecount = baudio->voicecount;
/*
* And request any buffer space we want
*/
if (freqbuf == NULL)
freqbuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (adsr1buf == NULL)
adsr1buf = (float *) bristolmalloc0(audiomain->segmentsize);
if (adsr2buf == NULL)
adsr2buf = (float *) bristolmalloc0(audiomain->segmentsize);
if (filtbuf == NULL)
filtbuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (dco1buf == NULL)
dco1buf = (float *) bristolmalloc0(audiomain->segmentsize);
if (zerobuf == NULL)
zerobuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (outbuf == NULL)
outbuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (noisebuf == NULL)
noisebuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (lfo2buf == NULL)
lfo2buf = (float *) bristolmalloc0(audiomain->segmentsize);
if (lfo1buf == NULL)
lfo1buf = (float *) bristolmalloc0(audiomain->segmentsize);
if (scratchbuf == NULL)
scratchbuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (pwmbuf == NULL)
pwmbuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (vcofmbuf == NULL)
vcofmbuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (modbuf == NULL)
modbuf = (float *) bristolmalloc0(audiomain->segmentsize);
if (syncbuf == NULL)
syncbuf = (float *) bristolmalloc0(audiomain->segmentsize);
baudio->mixflags |= BRISTOL_STEREO;
return(0);
}
|