-
Notifications
You must be signed in to change notification settings - Fork 4
/
Copy pathlibunsf.c
3586 lines (3092 loc) · 145 KB
/
libunsf.c
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
/*
* libunsf is a library that can be used to break up sound fonts into
* GUS type patch files.
*
* license: cc0
*
* To the extent possible under law, the person who associated CC0 with
* unsf has waived all copyright and related or neighboring rights
* to unsf.
*
* You should have received a copy of the CC0 legal code along with this
* work. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*
*/
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#elif defined(__OS2__)
#define INCL_DOS
#define INCL_DOSERRORS
#include <os2.h>
#include <io.h>
#else
#include <unistd.h>
#endif
#include "libunsf.h"
#ifndef HAVE_STRTOK_R
#define strtok_r unsf_strtok_r
#include "strtok_r.h"
#endif
#ifdef _WIN32
#define strdup _strdup
#endif
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#undef MIN
#undef MAX
#undef MID
#define MIN(x, y) (((x) < (y)) ? (x) : (y))
#define MAX(x, y) (((x) > (y)) ? (x) : (y))
#define MID(x, y, z) MAX((x), MIN((y), (z)))
#define LINKED_SAMPLE 8
#define LEFT_SAMPLE 4
#define RIGHT_SAMPLE 2
#define MONO_SAMPLE 1
#define UNSF_RANGE 128
/* SoundFont parameters for the current sample */
typedef struct SF_Meta {
int mode;
int start, end;
int loop_start, loop_end;
int mod_env_to_pitch;
int sustain_mod_env;
int key, tune;
int pan;
int keyscale;
int keymin, keymax;
int velmin, velmax;
int delay_vol_env;
int attack_vol_env;
int hold_vol_env;
int decay_vol_env;
int release_vol_env;
int sustain_level;
int exclusiveClass;
int chorusEffectsSend;
int reverbEffectsSend;
int initialAttenuation;
int modLfoToPitch;
int vibLfoToPitch;
int velocity;
int keynum;
int keynumToModEnvHold;
int keynumToModEnvDecay;
int keynumToVolEnvHold;
int keynumToVolEnvDecay;
int modLfoToVolume;
int delayModLFO;
int freqModLFO;
int delayVibLFO;
int freqVibLFO;
int delayModEnv;
int attackModEnv;
int holdModEnv;
int decayModEnv;
int releaseModEnv;
int instrument_look_index;
int instrument_unused5;
int sample_look_index;
short initialFilterQ;
short initialFilterFc;
short modEnvToFilterFc;
short modLfoToFilterFc;
} SF_Meta;
typedef struct SP_Meta {
unsigned int volume;
int delayModLFO;
short resonance;
short modEnvToFilterFc;
short modLfoToFilterFc;
short modEnvToPitch;
short cutoff_freq;
int freq_center;
int vibrato_depth, vibrato_delay;
unsigned char vibrato_control_ratio, vibrato_sweep_increment;
int tremolo_depth;
unsigned char tremolo_phase_increment, tremolo_sweep_increment;
int lfo_depth;
short lfo_phase_increment; /* lfo_phase_increment is actually frequency */
} SP_Meta;
typedef struct VelocityRangeList {
int range_count;
unsigned char velmin[UNSF_RANGE];
unsigned char velmax[UNSF_RANGE];
unsigned char mono_patches[UNSF_RANGE];
unsigned char left_patches[UNSF_RANGE];
unsigned char right_patches[UNSF_RANGE];
unsigned char other_patches[UNSF_RANGE];
} VelocityRangeList;
typedef struct SampleBank {
int tonebank[UNSF_RANGE];
char *tonebank_name[UNSF_RANGE];
char *voice_name[UNSF_RANGE][UNSF_RANGE];
int voice_samples_mono[UNSF_RANGE][UNSF_RANGE];
int voice_samples_left[UNSF_RANGE][UNSF_RANGE];
int voice_samples_right[UNSF_RANGE][UNSF_RANGE];
VelocityRangeList *voice_velocity[UNSF_RANGE][UNSF_RANGE];
char *drumset_name[UNSF_RANGE];
char *drumset_short_name[UNSF_RANGE];
char *drum_name[UNSF_RANGE][UNSF_RANGE];
int drum_samples_mono[UNSF_RANGE][UNSF_RANGE];
int drum_samples_left[UNSF_RANGE][UNSF_RANGE];
int drum_samples_right[UNSF_RANGE][UNSF_RANGE];
VelocityRangeList *drum_velocity[UNSF_RANGE][UNSF_RANGE];
char cpyrt[256];
} SampleBank;
/* SoundFont chunk format and ID values */
typedef struct RIFF_CHUNK {
int size;
int id;
int type;
int end;
} RIFF_CHUNK;
/* SoundFont preset headers */
typedef struct sfPresetHeader {
char achPresetName[20];
unsigned short wPreset;
unsigned short wBank;
unsigned short wPresetBagNdx;
unsigned int dwLibrary;
unsigned int dwGenre;
unsigned int dwMorphology;
} sfPresetHeader;
/* SoundFont preset indexes */
typedef struct sfPresetBag {
unsigned short wGenNdx;
unsigned short wModNdx;
} sfPresetBag;
/* SoundFont preset generators */
typedef struct rangesType {
#ifndef WORDS_BIGENDIAN
unsigned char byLo;
unsigned char byHi;
#else
unsigned char byHi;
unsigned char byLo;
#endif
} rangesType;
typedef union genAmountType {
rangesType ranges;
short shAmount;
unsigned short wAmount;
} genAmountType;
typedef struct sfGenList {
unsigned short sfGenOper;
genAmountType genAmount;
} sfGenList;
/* SoundFont instrument headers */
typedef struct sfInst {
char achInstName[20];
unsigned short wInstBagNdx;
} sfInst;
/* SoundFont instrument indexes */
typedef struct sfInstBag {
unsigned short wInstGenNdx;
unsigned short wInstModNdx;
} sfInstBag;
/* SoundFont sample headers */
typedef struct sfSample {
char achSampleName[20];
unsigned int dwStart;
unsigned int dwEnd;
unsigned int dwStartloop;
unsigned int dwEndloop;
unsigned int dwSampleRate;
unsigned char byOriginalKey;
signed char chCorrection;
unsigned short wSampleLink;
unsigned short sfSampleType; /* 1 mono,2 right,4 left,linked 8,0x8000=ROM */
} sfSample;
/* list of the layers waiting to be dealt with */
typedef struct EMPTY_WHITE_ROOM {
sfSample *sample;
sfGenList *igen;
sfGenList *pgen;
sfGenList *global_izone;
sfGenList *global_pzone;
int igen_count;
int pgen_count;
int global_izone_count;
int global_pzone_count;
float volume;
int stereo_mode;
} EMPTY_WHITE_ROOM;
#define MAX_WAITING 256
#define CID(a, b, c, d) (((d)<<24)+((c)<<16)+((b)<<8)+((a)))
#define CID_RIFF CID('R','I','F','F')
#define CID_LIST CID('L','I','S','T')
#define CID_INFO CID('I','N','F','O')
#define CID_sdta CID('s','d','t','a')
#define CID_snam CID('s','n','a','m')
#define CID_smpl CID('s','m','p','l')
#define CID_pdta CID('p','d','t','a')
#define CID_phdr CID('p','h','d','r')
#define CID_pbag CID('p','b','a','g')
#define CID_pmod CID('p','m','o','d')
#define CID_pgen CID('p','g','e','n')
#define CID_inst CID('i','n','s','t')
#define CID_ibag CID('i','b','a','g')
#define CID_imod CID('i','m','o','d')
#define CID_igen CID('i','g','e','n')
#define CID_shdr CID('s','h','d','r')
#define CID_ifil CID('i','f','i','l')
#define CID_isng CID('i','s','n','g')
#define CID_irom CID('i','r','o','m')
#define CID_iver CID('i','v','e','r')
#define CID_INAM CID('I','N','A','M')
#define CID_IPRD CID('I','P','R','D')
#define CID_ICOP CID('I','C','O','P')
#define CID_sfbk CID('s','f','b','k')
#define CID_ICRD CID('I','C','R','D')
#define CID_IENG CID('I','E','N','G')
#define CID_ICMT CID('I','C','M','T')
#define CID_ISFT CID('I','S','F','T')
/* SoundFont generator types */
#define SFGEN_startAddrsOffset 0
#define SFGEN_endAddrsOffset 1
#define SFGEN_startloopAddrsOffset 2
#define SFGEN_endloopAddrsOffset 3
#define SFGEN_startAddrsCoarseOffset 4
#define SFGEN_modLfoToPitch 5
#define SFGEN_vibLfoToPitch 6
#define SFGEN_modEnvToPitch 7
#define SFGEN_initialFilterFc 8
#define SFGEN_initialFilterQ 9
#define SFGEN_modLfoToFilterFc 10
#define SFGEN_modEnvToFilterFc 11
#define SFGEN_endAddrsCoarseOffset 12
#define SFGEN_modLfoToVolume 13
#define SFGEN_unused1 14
#define SFGEN_chorusEffectsSend 15
#define SFGEN_reverbEffectsSend 16
#define SFGEN_pan 17
#define SFGEN_unused2 18
#define SFGEN_unused3 19
#define SFGEN_unused4 20
#define SFGEN_delayModLFO 21
#define SFGEN_freqModLFO 22
#define SFGEN_delayVibLFO 23
#define SFGEN_freqVibLFO 24
#define SFGEN_delayModEnv 25
#define SFGEN_attackModEnv 26
#define SFGEN_holdModEnv 27
#define SFGEN_decayModEnv 28
#define SFGEN_sustainModEnv 29
#define SFGEN_releaseModEnv 30
#define SFGEN_keynumToModEnvHold 31
#define SFGEN_keynumToModEnvDecay 32
#define SFGEN_delayVolEnv 33
#define SFGEN_attackVolEnv 34
#define SFGEN_holdVolEnv 35
#define SFGEN_decayVolEnv 36
#define SFGEN_sustainVolEnv 37
#define SFGEN_releaseVolEnv 38
#define SFGEN_keynumToVolEnvHold 39
#define SFGEN_keynumToVolEnvDecay 40
#define SFGEN_instrument 41
#define SFGEN_reserved1 42
#define SFGEN_keyRange 43
#define SFGEN_velRange 44
#define SFGEN_startloopAddrsCoarse 45
#define SFGEN_keynum 46
#define SFGEN_velocity 47
#define SFGEN_initialAttenuation 48
#define SFGEN_reserved2 49
#define SFGEN_endloopAddrsCoarse 50
#define SFGEN_coarseTune 51
#define SFGEN_fineTune 52
#define SFGEN_sampleID 53
#define SFGEN_sampleModes 54
#define SFGEN_reserved3 55
#define SFGEN_scaleTuning 56
#define SFGEN_exclusiveClass 57
#define SFGEN_overridingRootKey 58
#define SFGEN_unused5 59
#define SFGEN_endOper 60
/*================================================================
* SoundFont layer structure
*================================================================*/
enum {
SF_startAddrs, /* 0 sample start address -4 (0to*0xffffff)*/
SF_endAddrs, /* 1 */
SF_startloopAddrs, /* 2 loop start address -4 (0 to * 0xffffff) */
SF_endloopAddrs, /* 3 loop end address -3 (0 to * 0xffffff) */
SF_startAddrsHi, /* 4 high word of startAddrs */
SF_lfo1ToPitch, /* 5 main fm: lfo1-> pitch */
SF_lfo2ToPitch, /* 6 aux fm: lfo2-> pitch */
SF_env1ToPitch, /* 7 pitch env: env1(aux)-> pitch */
SF_initialFilterFc, /* 8 initial filter cutoff */
SF_initialFilterQ, /* 9 filter Q */
SF_lfo1ToFilterFc, /* 10 filter modulation: lfo1->filter*cutoff */
SF_env1ToFilterFc, /* 11 filter env: env1(aux)->filter * cutoff */
SF_endAddrsHi, /* 12 high word of endAddrs */
SF_lfo1ToVolume, /* 13 tremolo: lfo1-> volume */
SF_env2ToVolume, /* 14 Env2Depth: env2-> volume */
SF_chorusEffectsSend, /* 15 chorus */
SF_reverbEffectsSend, /* 16 reverb */
SF_panEffectsSend, /* 17 pan */
SF_auxEffectsSend, /* 18 pan auxdata (internal) */
SF_sampleVolume, /* 19 used internally */
SF_unused3, /* 20 */
SF_delayLfo1, /* 21 delay 0x8000-n*(725us) */
SF_freqLfo1, /* 22 frequency */
SF_delayLfo2, /* 23 delay 0x8000-n*(725us) */
SF_freqLfo2, /* 24 frequency */
SF_delayEnv1, /* 25 delay 0x8000 - n(725us) */
SF_attackEnv1, /* 26 attack */
SF_holdEnv1, /* 27 hold */
SF_decayEnv1, /* 28 decay */
SF_sustainEnv1, /* 29 sustain */
SF_releaseEnv1, /* 30 release */
SF_autoHoldEnv1, /* 31 */
SF_autoDecayEnv1, /* 32 */
SF_delayEnv2, /* 33 delay 0x8000 - n(725us) */
SF_attackEnv2, /* 34 attack */
SF_holdEnv2, /* 35 hold */
SF_decayEnv2, /* 36 decay */
SF_sustainEnv2, /* 37 sustain */
SF_releaseEnv2, /* 38 release */
SF_autoHoldEnv2, /* 39 */
SF_autoDecayEnv2, /* 40 */
SF_instrument, /* 41 */
SF_nop, /* 42 */
SF_keyRange, /* 43 */
SF_velRange, /* 44 */
SF_startloopAddrsHi, /* 45 high word of startloopAddrs */
SF_keynum, /* 46 */
SF_velocity, /* 47 */
SF_initAtten, /* 48 */
SF_keyTuning, /* 49 */
SF_endloopAddrsHi, /* 50 high word of endloopAddrs */
SF_coarseTune, /* 51 */
SF_fineTune, /* 52 */
SF_sampleId, /* 53 */
SF_sampleFlags, /* 54 */
SF_samplePitch, /* 55 SF1 only */
SF_scaleTuning, /* 56 */
SF_keyExclusiveClass, /* 57 */
SF_rootKey, /* 58 */
SF_EOF /* 59 */
};
/* error handling macro */
#define BAD_ALLOCATE() \
{ \
fprintf(stderr, "Error: cannot allocate memory\n"); \
exit(1); /* FIXME: library must NOT exit() */ \
}
#define TO_HZ(abscents) (int)(8.176 * pow(2.0,(double)(abscents)/1200.0))
#define TO_HZ20(abscents) (int)(20 * 8.176 * pow(2.0,(double)(abscents)/1200.0))
static const unsigned int freq_table[UNSF_RANGE] =
{
8176, 8662, 9177, 9723,
10301, 10913, 11562, 12250,
12978, 13750, 14568, 15434,
16352, 17324, 18354, 19445,
20602, 21827, 23125, 24500,
25957, 27500, 29135, 30868,
32703, 34648, 36708, 38891,
41203, 43654, 46249, 48999,
51913, 55000, 58270, 61735,
65406, 69296, 73416, 77782,
82407, 87307, 92499, 97999,
103826, 110000, 116541, 123471,
130813, 138591, 146832, 155563,
164814, 174614, 184997, 195998,
207652, 220000, 233082, 246942,
261626, 277183, 293665, 311127,
329628, 349228, 369994, 391995,
415305, 440000, 466164, 493883,
523251, 554365, 587330, 622254,
659255, 698456, 739989, 783991,
830609, 880000, 932328, 987767,
1046502, 1108731, 1174659, 1244508,
1318510, 1396913, 1479978, 1567982,
1661219, 1760000, 1864655, 1975533,
2093005, 2217461, 2349318, 2489016,
2637020, 2793826, 2959955, 3135963,
3322438, 3520000, 3729310, 3951066,
4186009, 4434922, 4698636, 4978032,
5274041, 5587652, 5919911, 6271927,
6644875, 7040000, 7458620, 7902133,
8372018, 8869844, 9397273, 9956063,
10548082, 11175303, 11839822, 12543854
};
static const double bend_fine[256] = {
1, 1.0002256593050698, 1.0004513695322617, 1.0006771306930664,
1.0009029427989777, 1.0011288058614922, 1.0013547198921082, 1.0015806849023274,
1.0018067009036538, 1.002032767907594, 1.0022588859256572, 1.0024850549693551,
1.0027112750502025, 1.0029375461797159, 1.0031638683694153, 1.0033902416308227,
1.0036166659754628, 1.0038431414148634, 1.0040696679605541, 1.0042962456240678,
1.0045228744169397, 1.0047495543507072, 1.0049762854369111, 1.0052030676870944,
1.0054299011128027, 1.0056567857255843, 1.00588372153699, 1.006110708558573,
1.0063377468018897, 1.0065648362784985, 1.0067919769999607, 1.0070191689778405,
1.0072464122237039, 1.0074737067491204, 1.0077010525656616, 1.0079284496849015,
1.0081558981184175, 1.008383397877789, 1.008610948974598, 1.0088385514204294,
1.0090662052268706, 1.0092939104055114, 1.0095216669679448, 1.0097494749257656,
1.009977334290572, 1.0102052450739643, 1.0104332072875455, 1.0106612209429215,
1.0108892860517005, 1.0111174026254934, 1.0113455706759138, 1.0115737902145781,
1.0118020612531047, 1.0120303838031153, 1.0122587578762337, 1.012487183484087,
1.0127156606383041, 1.0129441893505169, 1.0131727696323602, 1.0134014014954713,
1.0136300849514894, 1.0138588200120575, 1.0140876066888203, 1.0143164449934257,
1.0145453349375237, 1.0147742765327674, 1.0150032697908125, 1.0152323147233171,
1.015461411341942, 1.0156905596583505, 1.0159197596842091, 1.0161490114311862,
1.0163783149109531, 1.0166076701351838, 1.0168370771155553, 1.0170665358637463,
1.0172960463914391, 1.0175256087103179, 1.0177552228320703, 1.0179848887683858,
1.0182146065309567, 1.0184443761314785, 1.0186741975816487, 1.0189040708931674,
1.0191339960777379, 1.0193639731470658, 1.0195940021128593, 1.0198240829868295,
1.0200542157806898, 1.0202844005061564, 1.0205146371749483, 1.0207449257987866,
1.0209752663893958, 1.0212056589585028, 1.0214361035178368, 1.0216666000791297,
1.0218971486541166, 1.0221277492545349, 1.0223584018921241, 1.0225891065786274,
1.0228198633257899, 1.0230506721453596, 1.023281533049087, 1.0235124460487257,
1.0237434111560313, 1.0239744283827625, 1.0242054977406807, 1.0244366192415495,
1.0246677928971357, 1.0248990187192082, 1.025130296719539, 1.0253616269099028,
1.0255930093020766, 1.0258244439078401, 1.0260559307389761, 1.0262874698072693,
1.0265190611245079, 1.0267507047024822, 1.0269824005529853, 1.027214148687813,
1.0274459491187637, 1.0276778018576387, 1.0279097069162415, 1.0281416643063788,
1.0283736740398595, 1.0286057361284953, 1.0288378505841009, 1.0290700174184932,
1.0293022366434921, 1.0295345082709197, 1.0297668323126017, 1.0299992087803651,
1.030231637686041, 1.0304641190414621, 1.0306966528584645, 1.0309292391488862,
1.0311618779245688, 1.0313945691973556, 1.0316273129790936, 1.0318601092816313,
1.0320929581168212, 1.0323258594965172, 1.0325588134325767, 1.0327918199368598,
1.0330248790212284, 1.0332579906975481, 1.0334911549776868, 1.033724371873515,
1.0339576413969056, 1.0341909635597348, 1.0344243383738811, 1.0346577658512259,
1.034891246003653, 1.0351247788430489, 1.0353583643813031, 1.0355920026303078,
1.0358256936019572, 1.0360594373081489, 1.0362932337607829, 1.0365270829717617,
1.0367609849529913, 1.0369949397163791, 1.0372289472738365, 1.0374630076372766,
1.0376971208186156, 1.0379312868297725, 1.0381655056826686, 1.0383997773892284,
1.0386341019613787, 1.0388684794110492, 1.0391029097501721, 1.0393373929906822,
1.0395719291445176, 1.0398065182236185, 1.0400411602399278, 1.0402758552053915,
1.0405106031319582, 1.0407454040315787, 1.0409802579162071, 1.0412151647977996,
1.0414501246883161, 1.0416851375997183, 1.0419202035439705, 1.0421553225330404,
1.042390494578898, 1.042625719693516, 1.0428609978888699, 1.043096329176938,
1.0433317135697009, 1.0435671510791424, 1.0438026417172486, 1.0440381854960086,
1.0442737824274138, 1.044509432523459, 1.044745135796141, 1.0449808922574599,
1.0452167019194181, 1.0454525647940205, 1.0456884808932754, 1.0459244502291931,
1.0461604728137874, 1.0463965486590741, 1.046632677777072, 1.0468688601798024,
1.0471050958792898, 1.047341384887561, 1.0475777272166455, 1.047814122878576,
1.048050571885387, 1.0482870742491166, 1.0485236299818055, 1.0487602390954964,
1.0489969016022356, 1.0492336175140715, 1.0494703868430555, 1.0497072096012419,
1.0499440858006872, 1.0501810154534512, 1.050417998571596, 1.0506550351671864,
1.0508921252522903, 1.0511292688389782, 1.0513664659393229, 1.0516037165654004,
1.0518410207292894, 1.0520783784430709, 1.0523157897188296, 1.0525532545686513,
1.0527907730046264, 1.0530283450388465, 1.0532659706834067, 1.0535036499504049,
1.0537413828519411, 1.0539791694001188, 1.0542170096070436, 1.0544549034848243,
1.0546928510455722, 1.0549308523014012, 1.0551689072644284, 1.0554070159467728,
1.0556451783605572, 1.0558833945179062, 1.0561216644309479, 1.0563599881118126,
1.0565983655726334, 1.0568367968255465, 1.0570752818826903, 1.0573138207562065,
1.057552413458239, 1.0577910600009348, 1.0580297603964437, 1.058268514656918,
1.0585073227945128, 1.0587461848213857, 1.058985100749698, 1.0592240705916123
};
static const double bend_coarse[UNSF_RANGE] = {
1, 1.0594630943592953, 1.122462048309373, 1.189207115002721,
1.2599210498948732, 1.3348398541700344, 1.4142135623730951, 1.4983070768766815,
1.5874010519681994, 1.681792830507429, 1.7817974362806785, 1.8877486253633868,
2, 2.1189261887185906, 2.244924096618746, 2.3784142300054421,
2.5198420997897464, 2.6696797083400687, 2.8284271247461903, 2.996614153753363,
3.1748021039363992, 3.363585661014858, 3.5635948725613571, 3.7754972507267741,
4, 4.2378523774371812, 4.4898481932374912, 4.7568284600108841,
5.0396841995794928, 5.3393594166801366, 5.6568542494923806, 5.993228307506727,
6.3496042078727974, 6.727171322029716, 7.1271897451227151, 7.5509945014535473,
8, 8.4757047548743625, 8.9796963864749824, 9.5136569200217682,
10.079368399158986, 10.678718833360273, 11.313708498984761, 11.986456615013454,
12.699208415745595, 13.454342644059432, 14.25437949024543, 15.101989002907095,
16, 16.951409509748721, 17.959392772949972, 19.027313840043536,
20.158736798317967, 21.357437666720553, 22.627416997969522, 23.972913230026901,
25.398416831491197, 26.908685288118864, 28.508758980490853, 30.203978005814196,
32, 33.902819019497443, 35.918785545899944, 38.054627680087073,
40.317473596635935, 42.714875333441107, 45.254833995939045, 47.945826460053802,
50.796833662982394, 53.817370576237728, 57.017517960981706, 60.407956011628393,
64, 67.805638038994886, 71.837571091799887, 76.109255360174146,
80.63494719327187, 85.429750666882214, 90.509667991878089, 95.891652920107603,
101.59366732596479, 107.63474115247546, 114.03503592196341, 120.81591202325679,
128, 135.61127607798977, 143.67514218359977, 152.21851072034829,
161.26989438654374, 170.85950133376443, 181.01933598375618, 191.78330584021521,
203.18733465192958, 215.26948230495091, 228.07007184392683, 241.63182404651357,
256, 271.22255215597971, 287.35028436719938, 304.43702144069658,
322.53978877308765, 341.71900266752868, 362.03867196751236, 383.56661168043064,
406.37466930385892, 430.53896460990183, 456.14014368785394, 483.26364809302686,
512, 542.44510431195943, 574.70056873439876, 608.87404288139317,
645.0795775461753, 683.43800533505737, 724.07734393502471, 767.13322336086128,
812.74933860771785, 861.07792921980365, 912.28028737570787, 966.52729618605372,
1024, 1084.8902086239189, 1149.4011374687975, 1217.7480857627863,
1290.1591550923506, 1366.8760106701147, 1448.1546878700494, 1534.2664467217226
};
/* reads a byte from the input file */
static int get8(FILE *f) {
return getc(f);
}
/* reads a word from the input file (little endian) */
static int get16(FILE *f) {
int b1, b2;
b1 = get8(f);
b2 = get8(f);
return ((b2 << 8) | b1);
}
/* reads a int from the input file (little endian) */
static int get32(FILE *f) {
int b1, b2, b3, b4;
b1 = get8(f);
b2 = get8(f);
b3 = get8(f);
b4 = get8(f);
return ((b4 << 24) | (b3 << 16) | (b2 << 8) | b1);
}
/* calculates the file offset for the end of a chunk */
static void calc_end(RIFF_CHUNK *chunk, FILE *f) {
chunk->end = ftell(f) + chunk->size + (chunk->size & 1);
}
/* reads and displays a SoundFont text/copyright message */
static void print_sf_string(UnSF_Options *options, FILE *f, const char *title, int opt_no_write, SampleBank *samplebank) {
char buf[256];
char ch;
int i = 0;
do {
ch = get8(f);
buf[i++] = ch;
} while ((ch) && (i < 256));
if (i & 1)
get8(f);
if (!strncmp(title, "Made", 4)) {
strcpy(samplebank->cpyrt, "Made by ");
strcat(samplebank->cpyrt, buf);
}
if (!opt_no_write) fprintf(options->cfg_fd, "# %-12s%s\n", title, buf);
}
static char *getname(char *p) {
size_t i, j, e;
static char buf[21];
strncpy(buf, p, 20);
buf[20] = 0;
for (i = 19; i > 4 && buf[i] == ' '; i--) {
buf[i] = 0;
}
e = i + 1;
if (e < 5) return buf;
for (i = 0; i < e; i++) {
if (buf[i] == '/') {
if (i) buf[i] = '.';
else buf[i] = ' ';
}
else if (buf[i] == '\\') buf[i] = ' ';
else if (buf[i] == '#') buf[i] = ' ';
else if (buf[i] == '|') buf[i] = ' ';
else if (buf[i] == '&') buf[i] = ' ';
else if (buf[i] == '*') buf[i] = ' ';
else if (buf[i] == '!') buf[i] = ' ';
else if (buf[i] == '\'') buf[i] = ' ';
else if (buf[i] == '"') buf[i] = ' ';
else if (buf[i] == '?') buf[i] = ' ';
else if (buf[i] == '~') buf[i] = ' ';
else if (buf[i] == '[') buf[i] = '-';
else if (buf[i] == ']') buf[i] = ' ';
else if (buf[i] == '(') buf[i] = '-';
else if (buf[i] == ')') buf[i] = ' ';
else if (buf[i] == '/') buf[i] = '_';
else if (buf[i] == ':') buf[i] = '_';
else if (buf[i] == '<') buf[i] = '_';
else if (buf[i] == '>') buf[i] = ' ';
}
for (i = 0; i < e; i++) {
if (buf[i] == ' ') {
for (j = i; j < e; j++)
buf[j] = buf[j + 1];
e--;
}
}
for (i = 0; i < e; i++) {
if (buf[i] == ' ') {
for (j = i; j < e; j++)
buf[j] = buf[j + 1];
e--;
}
}
e = strlen(buf);
while (e > 3 && buf[e - 1] == ' ') {
buf[e - 1] = '\0';
e--;
}
return buf;
}
static void
record_velocity_range(UnSF_Options *options, SampleBank *sample_bank, int drum, int banknum, int program, int velmin,
int velmax, int type) {
int i, count;
VelocityRangeList *vlist;
char *name;
if (drum) {
vlist = sample_bank->drum_velocity[banknum][program];
name = sample_bank->drum_name[banknum][program];
} else {
vlist = sample_bank->voice_velocity[banknum][program];
name = sample_bank->voice_name[banknum][program];
}
if (!vlist) {
vlist = (VelocityRangeList *) malloc(sizeof(VelocityRangeList));
if (!vlist) BAD_ALLOCATE();
if (drum) sample_bank->drum_velocity[banknum][program] = vlist;
else sample_bank->voice_velocity[banknum][program] = vlist;
vlist->range_count = 0;
}
count = vlist->range_count;
for (i = 0; i < count; i++) {
if (vlist->velmin[i] == velmin && vlist->velmax[i] == velmax) break;
}
if (i >= UNSF_RANGE) return;
vlist->velmin[i] = velmin;
vlist->velmax[i] = velmax;
if (i == count) {
vlist->mono_patches[i] = 0;
vlist->left_patches[i] = 0;
vlist->right_patches[i] = 0;
vlist->other_patches[i] = 0;
vlist->range_count++;
}
if (type == RIGHT_SAMPLE) vlist->right_patches[i]++;
else if (type == LEFT_SAMPLE) vlist->left_patches[i]++;
else if (type == MONO_SAMPLE) vlist->mono_patches[i]++;
else {
vlist->mono_patches[i]++;
vlist->other_patches[i]++;
}
if (options->opt_veryverbose)
printf("%s#%d velocity range %d-%d for %s chan %s has %d patches\n", (i == count) ? "new " : "",
vlist->range_count, velmin, velmax,
name, (type == LEFT_SAMPLE) ? "left" : (type == RIGHT_SAMPLE) ? "right" : "mono",
(type == RIGHT_SAMPLE) ? vlist->right_patches[i] : (type == LEFT_SAMPLE) ? vlist->left_patches[i] :
vlist->mono_patches[i]);
}
/* gets facts and names */
static int grab_soundfont_banks(UnSF_Options *options, int sf_num_presets, sfPresetHeader *sf_presets,
sfPresetBag *sf_preset_indexes, sfGenList *sf_preset_generators,
sfInst *sf_instruments, sfInstBag *sf_instrument_indexes,
sfGenList *sf_instrument_generators, sfSample *sf_samples, SampleBank *sample_bank
) {
sfPresetBag *pindex;
sfGenList *pgen;
sfInst *iheader;
sfInstBag *iindex;
sfGenList *igen;
sfSample *sample;
int pindex_count;
int pgen_count;
int iindex_count;
int igen_count;
int pnum, inum, jnum, lnum, drum;
int wanted_patch, wanted_bank;
int keymin, keymax, drumnum;
int velmin, velmax;
int i, j;
char *s;
char tmpname[80];
for (i = 0; i < UNSF_RANGE; i++) {
sample_bank->tonebank[i] = FALSE;
sample_bank->drumset_name[i] = NULL;
sample_bank->drumset_short_name[i] = NULL;
for (j = 0; j < UNSF_RANGE; j++) {
sample_bank->voice_name[i][j] = NULL;
sample_bank->voice_samples_mono[i][j] = 0;
sample_bank->voice_samples_left[i][j] = 0;
sample_bank->voice_samples_right[i][j] = 0;
sample_bank->voice_velocity[i][j] = NULL;
sample_bank->drum_name[i][j] = NULL;
sample_bank->drum_samples_mono[i][j] = 0;
sample_bank->drum_samples_left[i][j] = 0;
sample_bank->drum_samples_right[i][j] = 0;
sample_bank->drum_velocity[i][j] = NULL;
}
}
/* search for the desired preset */
for (pnum = 0; pnum < sf_num_presets; pnum++) {
int global_preset_layer, global_preset_velmin, global_preset_velmax, preset_velmin, preset_velmax;
int global_preset_keymin, global_preset_keymax, preset_keymin, preset_keymax;
wanted_patch = sf_presets[pnum].wPreset;
wanted_bank = sf_presets[pnum].wBank;
if (wanted_bank == UNSF_RANGE || options->opt_drum) {
drum = TRUE;
options->opt_drum_bank = wanted_patch;
} else {
drum = FALSE;
options->opt_bank = wanted_bank;
}
/* find what substructures it uses */
pindex = &sf_preset_indexes[sf_presets[pnum].wPresetBagNdx];
pindex_count = 0;
if (pnum < sf_num_presets - 1)
pindex_count = sf_presets[pnum + 1].wPresetBagNdx - sf_presets[pnum].wPresetBagNdx;
if (pindex_count < 1)
continue;
/* prettify the preset name */
s = getname(sf_presets[pnum].achPresetName);
if (drum) {
if (!sample_bank->drumset_name[options->opt_drum_bank]) {
sample_bank->drumset_short_name[options->opt_drum_bank] = strdup(s);
sprintf(tmpname, "%s-%s", options->basename, s);
sample_bank->drumset_name[options->opt_drum_bank] = strdup(tmpname);
if (options->opt_verbose) printf("drumset #%d %s\n", options->opt_drum_bank, s);
}
} else {
if (!sample_bank->voice_name[options->opt_bank][wanted_patch]) {
sample_bank->voice_name[options->opt_bank][wanted_patch] = strdup(s);
if (options->opt_verbose) printf("bank #%d voice #%d %s\n", options->opt_bank, wanted_patch, s);
sample_bank->tonebank[options->opt_bank] = TRUE;
}
}
global_preset_velmin = preset_velmin = -1;
global_preset_velmax = preset_velmax = -1;
global_preset_keymin = preset_keymin = -1;
global_preset_keymax = preset_keymax = -1;
/* for each layer in this preset */
for (inum = 0; inum < pindex_count; inum++) {
int global_instrument_layer, global_instrument_velmin, global_instrument_velmax,
instrument_velmin, instrument_velmax;
int global_instrument_keymin, global_instrument_keymax,
instrument_keymin, instrument_keymax;
pgen = &sf_preset_generators[pindex[inum].wGenNdx];
pgen_count = pindex[inum + 1].wGenNdx - pindex[inum].wGenNdx;
if (pgen_count > 0 && pgen[pgen_count - 1].sfGenOper != SFGEN_instrument)
global_preset_layer = TRUE;
else global_preset_layer = FALSE;
if (global_preset_velmin >= 0) preset_velmin = global_preset_velmin;
if (global_preset_velmax >= 0) preset_velmax = global_preset_velmax;
if (global_preset_keymin >= 0) preset_keymin = global_preset_keymin;
if (global_preset_keymax >= 0) preset_keymax = global_preset_keymax;
if (pgen_count < 0) break;
if (pgen[0].sfGenOper == SFGEN_keyRange) {
preset_keymin = pgen[0].genAmount.ranges.byLo;
preset_keymax = pgen[0].genAmount.ranges.byHi;
if (global_preset_layer) {
global_preset_keymin = preset_keymin;
global_preset_keymax = preset_keymax;
}
}
for (jnum = 0; jnum < pgen_count; jnum++) {
if (pgen[jnum].sfGenOper == SFGEN_velRange) {
preset_velmin = pgen[jnum].genAmount.ranges.byLo;
preset_velmax = pgen[jnum].genAmount.ranges.byHi;
if (global_preset_layer) {
global_preset_velmin = preset_velmin;
global_preset_velmax = preset_velmax;
}
}
}
/* find what instrument we should use */
if ((pgen_count > 0) &&
(pgen[pgen_count - 1].sfGenOper == SFGEN_instrument)) {
iheader = &sf_instruments[pgen[pgen_count - 1].genAmount.wAmount];
iindex = &sf_instrument_indexes[iheader->wInstBagNdx];
iindex_count = iheader[1].wInstBagNdx - iheader[0].wInstBagNdx;
global_instrument_velmin = instrument_velmin = -1;
global_instrument_velmax = instrument_velmax = -1;
global_instrument_keymin = instrument_keymin = -1;
global_instrument_keymax = instrument_keymax = -1;
/* for each layer in this instrument */
for (lnum = 0; lnum < iindex_count; lnum++) {
igen = &sf_instrument_generators[iindex[lnum].wInstGenNdx];
igen_count = iindex[lnum + 1].wInstGenNdx - iindex[lnum].wInstGenNdx;
if (global_instrument_velmin >= 0) instrument_velmin = global_instrument_velmin;
if (global_instrument_velmax >= 0) instrument_velmax = global_instrument_velmax;
if (global_instrument_keymin >= 0) instrument_keymin = global_instrument_keymin;
if (global_instrument_keymax >= 0) instrument_keymax = global_instrument_keymax;
if ((igen_count > 0) &&
(igen[igen_count - 1].sfGenOper != SFGEN_sampleID))
global_instrument_layer = TRUE;
else global_instrument_layer = FALSE;
for (jnum = 0; jnum < igen_count; jnum++) {
if (igen[jnum].sfGenOper == SFGEN_velRange) {
instrument_velmax = igen[jnum].genAmount.ranges.byHi;
instrument_velmin = igen[jnum].genAmount.ranges.byLo;
if (global_instrument_layer) {
global_instrument_velmin = instrument_velmin;
global_instrument_velmax = instrument_velmax;
}
}
}
if (igen_count > 0 && igen[0].sfGenOper == SFGEN_keyRange) {
instrument_keymax = igen[0].genAmount.ranges.byHi;
instrument_keymin = igen[0].genAmount.ranges.byLo;
if (global_instrument_layer) {
global_instrument_keymin = instrument_keymin;
global_instrument_keymax = instrument_keymax;
}
}
if (instrument_velmin >= 0) velmin = instrument_velmin;
else velmin = 0;
if (instrument_velmax >= 0) velmax = instrument_velmax;
else velmax = 127;
if (preset_velmin >= 0 && preset_velmax >= 0) {
if (preset_velmin >= velmin && preset_velmax <= velmax) {
velmin = preset_velmin;
velmax = preset_velmax;
}
}
if (instrument_keymin >= 0) keymin = instrument_keymin;
else keymin = 0;
if (instrument_keymax >= 0) keymax = instrument_keymax;
else keymax = 127;
if (preset_keymin >= 0 && preset_keymax >= 0) {
if (preset_keymin >= keymin && preset_keymax <= keymax) {
keymin = preset_keymin;
keymax = preset_keymax;
}
}
/* find what sample we should use */
if ((igen_count > 0) &&
(igen[igen_count - 1].sfGenOper == SFGEN_sampleID)) {
int k;
sample = &sf_samples[igen[igen_count - 1].genAmount.wAmount];
/* sample->wSampleLink is the link?? */
/* lsample = &sf_samples[sample->wSampleLink] */
if (sample->sfSampleType & LINKED_SAMPLE && options->opt_verbose) {
printf("linked sample: link is %d\n", sample->wSampleLink);
}
if (sample->sfSampleType & LINKED_SAMPLE) continue; /* linked */
s = sample->achSampleName;
k = strlen(s) - 1;
if (s[k] == 'L') sample->sfSampleType = LEFT_SAMPLE;
if (s[k] == 'R') sample->sfSampleType = RIGHT_SAMPLE;
/* prettify the sample name */
s = getname(sample->achSampleName);
if (sample->sfSampleType & 0x8000 && options->opt_verbose) {
printf("This SoundFont uses AWE32 ROM data in sample %s\n", s);
if (options->opt_veryverbose)
printf("\n");
continue;
}
if (drum) {
int pool_num;
for (pool_num = keymin; pool_num <= keymax; pool_num++) {
drumnum = pool_num;
if (!sample_bank->drum_name[options->opt_drum_bank][drumnum]) {
sample_bank->drum_name[options->opt_drum_bank][drumnum] = strdup(s);
if (options->opt_verbose)
printf("drumset #%d drum #%d %s\n", options->opt_drum_bank, drumnum, s);
}
if (sample->sfSampleType == LEFT_SAMPLE)
sample_bank->drum_samples_left[options->opt_drum_bank][drumnum]++;
else if (sample->sfSampleType == RIGHT_SAMPLE)
sample_bank->drum_samples_right[options->opt_drum_bank][drumnum]++;
else sample_bank->drum_samples_mono[options->opt_drum_bank][drumnum]++;
record_velocity_range(options, sample_bank, drum, options->opt_drum_bank, drumnum,
velmin, velmax, sample->sfSampleType);
}
} else {
if (sample->sfSampleType == LEFT_SAMPLE)
sample_bank->voice_samples_left[options->opt_bank][wanted_patch]++;
else if (sample->sfSampleType == RIGHT_SAMPLE)