Unified · Split
| @@ -75,6 +75,8 @@ void tDelayL_tapIn (tDelayL* const, float in, uint32_t tapDelay); · 74 unmodified lines | |||
| 75 | float tDelayL_tapOut (tDelayL* const, float tapDelay); | 75 | float tDelayL_tapOut (tDelayL* const, float tapDelay); |
| 76 | float tDelayL_addTo (tDelayL* const, float value, uint32_t tapDelay); | 76 | float tDelayL_addTo (tDelayL* const, float value, uint32_t tapDelay); |
| 77 | float tDelayL_tick (tDelayL* const, float sample); | 77 | float tDelayL_tick (tDelayL* const, float sample); |
| 78 | void tDelayL_tickIn (tDelayL* const d, float input); | ||
| 79 | float tDelayL_tickOut (tDelayL* const d); | ||
| 78 | float tDelayL_getLastOut (tDelayL* const); | 80 | float tDelayL_getLastOut (tDelayL* const); |
| 79 | float tDelayL_getLastIn (tDelayL* const); | 81 | float tDelayL_getLastIn (tDelayL* const); |
| 80 | 82 | ||
| @@ -49,15 +49,14 @@ extern const float shaper1[SHAPER1_TABLE_SIZE]; · 48 unmodified lines | |||
| 49 | #define MPOLY_NUM_MAX_VOICES 8 | 49 | #define MPOLY_NUM_MAX_VOICES 8 |
| 50 | #define NUM_OSC 4 | 50 | #define NUM_OSC 4 |
| 51 | #define INV_NUM_OSC (1.0f / NUM_OSC) | 51 | #define INV_NUM_OSC (1.0f / NUM_OSC) |
| 52 | #define PS_FRAME_SIZE 1024 // SNAC_FRAME_SIZE in LEAFCore.h should match (or be smaller than?) this | 52 | #define PS_FRAME_SIZE 1024 // SNAC_FRAME_SIZE in leaf-pitch.h should match (or be smaller than?) this |
| 53 | #define ENV_WINDOW_SIZE 1024 | 53 | #define ENV_WINDOW_SIZE 1024 |
| 54 | #define ENV_HOP_SIZE 256 | 54 | #define ENV_HOP_SIZE 256 |
| 55 | #define NUM_KNOBS 4 | ||
| 56 | 55 | ||
| 57 | #define DELAY_LENGTH 16000 // The maximum delay length of all Delay/DelayL/DelayA components. | 56 | #define DELAY_LENGTH 16000 // The maximum delay length of all Delay/DelayL/DelayA components. |
| 58 | // Feel free to change to suit memory constraints or desired delay max length / functionality. | 57 | // Feel free to change to suit memory constraints or desired delay max length / functionality. |
| 59 | 58 | ||
| 60 | #define TALKBOX_BUFFER_LENGTH 1600 // Every talkbox instance introduces 5 buffers of this size | 59 | |
| 61 | 60 | ||
| 62 | 61 | ||
| 63 | union unholy_t { /* a union between a float and an integer */ | 62 | union unholy_t { /* a union between a float and an integer */ |
| @@ -50,7 +50,9 @@ extern "C" { · 49 unmodified lines | |||
| 50 | 50 | ||
| 51 | //============================================================================== | 51 | //============================================================================== |
| 52 | 52 | ||
| 53 | |||
| 53 | #define MPOOL_POOL_SIZE 500000 | 54 | #define MPOOL_POOL_SIZE 500000 |
| 55 | |||
| 54 | #define MPOOL_ALIGN_SIZE (8) | 56 | #define MPOOL_ALIGN_SIZE (8) |
| 55 | 57 | ||
| 56 | //#define size_t unsigned long | 58 | //#define size_t unsigned long |
| @@ -0,0 +1,55 @@ | |||
| 1 | // | ||
| 2 | // leaf-oversampler.h | ||
| 3 | // LEAF | ||
| 4 | // | ||
| 5 | // Created by Matthew Wang and Joshua Becker on 2/28/19. | ||
| 6 | // Copyright © 2019 Princeton University. All rights reserved. | ||
| 7 | // | ||
| 8 | //============================================================================== | ||
| 9 | |||
| 10 | #ifndef LEAF_OVERSAMPLER_H_INCLUDED | ||
| 11 | #define LEAF_OVERSAMPLER_H_INCLUDED | ||
| 12 | |||
| 13 | #ifdef __cplusplus | ||
| 14 | extern "C" { | ||
| 15 | #endif | ||
| 16 | |||
| 17 | //============================================================================== | ||
| 18 | |||
| 19 | #include "leaf-globals.h" | ||
| 20 | #include "leaf-math.h" | ||
| 21 | #include "leaf-filter.h" | ||
| 22 | |||
| 23 | //============================================================================== | ||
| 24 | typedef struct _tOversamplerFilter | ||
| 25 | { | ||
| 26 | float cutoff, Q; | ||
| 27 | float ic1eq,ic2eq; | ||
| 28 | float g,k,a1,a2,a3; | ||
| 29 | } tOversamplerFilter; | ||
| 30 | |||
| 31 | typedef struct _tOversampler2x | ||
| 32 | { | ||
| 33 | tOversamplerFilter filters[2]; | ||
| 34 | } tOversampler2x; | ||
| 35 | |||
| 36 | void tOversampler2x_init(tOversampler2x* const); | ||
| 37 | float tOversampler2x_tick(tOversampler2x* const, float input, float (*nonLinearTick)(float)); | ||
| 38 | |||
| 39 | typedef struct _tOversampler4x | ||
| 40 | { | ||
| 41 | tOversamplerFilter filters[4]; | ||
| 42 | } tOversampler4x; | ||
| 43 | |||
| 44 | void tOversampler4x_init(tOversampler4x* const); | ||
| 45 | float tOversampler4x_tick(tOversampler4x* const, float input, float (*nonLinearTick)(float)); | ||
| 46 | |||
| 47 | //============================================================================== | ||
| 48 | |||
| 49 | #ifdef __cplusplus | ||
| 50 | } | ||
| 51 | #endif | ||
| 52 | |||
| 53 | #endif // LEAF_OVERSAMPLER_H_INCLUDED | ||
| 54 | |||
| 55 | //============================================================================== | ||
| @@ -1,24 +1,28 @@ | |||
| 1 | /*============================================================================== | 1 | /* |
| 2 | ============================================================================== | ||
| 2 | 3 | ||
| 3 | leaf-utilities.h | 4 | LEAFUtilities.h |
| 4 | Created: 20 Jan 2017 12:02:17pm | 5 | Created: 20 Jan 2017 12:02:17pm |
| 5 | Author: Michael R Mulshine | 6 | Author: Michael R Mulshine |
| 6 | 7 | ||
| 7 | ==============================================================================*/ | 8 | ============================================================================== |
| 9 | */ | ||
| 8 | 10 | ||
| 9 | #ifndef LEAF_UTILITIES_H_INCLUDED | 11 | #ifndef LEAFUTILITIES_H_INCLUDED |
| 10 | #define LEAF_UTILITIES_H_INCLUDED | 12 | #define LEAFUTILITIES_H_INCLUDED |
| 11 | 13 | ||
| 12 | #ifdef __cplusplus | 14 | #ifdef __cplusplus |
| 13 | extern "C" { | 15 | extern "C" { |
| 14 | #endif | 16 | #endif |
| 15 | 17 | ||
| 16 | //============================================================================== | 18 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 17 | 19 | ||
| 18 | #include "leaf-globals.h" | 20 | #include "leaf-globals.h" |
| 19 | #include "leaf-math.h" | 21 | #include "leaf-math.h" |
| 22 | #include "leaf-filter.h" | ||
| 23 | #include "leaf-delay.h" | ||
| 20 | 24 | ||
| 21 | //============================================================================== | 25 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 22 | 26 | ||
| 23 | // STACK implementation (fixed size) | 27 | // STACK implementation (fixed size) |
| 24 | #define STACK_SIZE 128 | 28 | #define STACK_SIZE 128 |
| @@ -46,7 +50,7 @@ int tStack_contains (tStack* const, uint16_t item); · 21 unmodified lines | |||
| 46 | int tStack_next (tStack* const); | 50 | int tStack_next (tStack* const); |
| 47 | int tStack_get (tStack* const, int which); | 51 | int tStack_get (tStack* const, int which); |
| 48 | 52 | ||
| 49 | //============================================================================== | 53 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 50 | 54 | ||
| 51 | /* Ramp */ | 55 | /* Ramp */ |
| 52 | typedef struct _tRamp { | 56 | typedef struct _tRamp { |
| @@ -68,7 +72,148 @@ int tRamp_setTime (tRamp* const, float time); · 15 unmodified lines | |||
| 68 | int tRamp_setDest (tRamp* const, float dest); | 72 | int tRamp_setDest (tRamp* const, float dest); |
| 69 | int tRamp_setVal (tRamp* const, float val); | 73 | int tRamp_setVal (tRamp* const, float val); |
| 70 | 74 | ||
| 71 | //============================================================================== | 75 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 76 | |||
| 77 | /* Exponential Smoother */ | ||
| 78 | typedef struct _tExpSmooth { | ||
| 79 | float factor, oneminusfactor; | ||
| 80 | float curr,dest; | ||
| 81 | |||
| 82 | } tExpSmooth; | ||
| 83 | |||
| 84 | void tExpSmooth_init (tExpSmooth* const, float val, float factor); | ||
| 85 | void tExpSmooth_free (tExpSmooth* const); | ||
| 86 | |||
| 87 | float tExpSmooth_tick (tExpSmooth* const); | ||
| 88 | float tExpSmooth_sample (tExpSmooth* const); | ||
| 89 | int tExpSmooth_setFactor (tExpSmooth* const, float factor); | ||
| 90 | int tExpSmooth_setDest (tExpSmooth* const, float dest); | ||
| 91 | int tExpSmooth_setVal (tExpSmooth* const, float val); | ||
| 92 | |||
| 93 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | ||
| 94 | |||
| 95 | /* PowerEnvelopeFollower */ | ||
| 96 | typedef struct _tPwrFollow { | ||
| 97 | float factor, oneminusfactor; | ||
| 98 | float curr; | ||
| 99 | |||
| 100 | } tPwrFollow; | ||
| 101 | |||
| 102 | void tPwrFollow_init (tPwrFollow* const, float factor); | ||
| 103 | void tPwrFollow_free (tPwrFollow* const); | ||
| 104 | float tPwrFollow_tick (tPwrFollow* const, float input); | ||
| 105 | float tPwrFollow_sample (tPwrFollow* const); | ||
| 106 | int tPwrFollow_setFactor (tPwrFollow* const, float factor); | ||
| 107 | |||
| 108 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | ||
| 109 | |||
| 110 | //Reed Table - borrowed from STK | ||
| 111 | typedef struct _tReedTable { | ||
| 112 | float offset, slope; | ||
| 113 | } tReedTable; | ||
| 114 | |||
| 115 | void tReedTable_init (tReedTable* const, float offset, float slope); | ||
| 116 | void tReedTable_free (tReedTable* const); | ||
| 117 | float tReedTable_tick (tReedTable* const, float input); | ||
| 118 | float tReedTable_tanh_tick (tReedTable* const p, float input); //tanh softclip version of reed table - replacing the hard clip in original stk code | ||
| 119 | void tReedTable_setOffset (tReedTable* const, float offset); | ||
| 120 | void tReedTable_setSlope (tReedTable* const, float slope); | ||
| 121 | |||
| 122 | |||
| 123 | |||
| 124 | /// | ||
| 125 | /* Feedback leveller */ | ||
| 126 | // An auto VCA that you put into a feedback circuit to make it stay at the same level. | ||
| 127 | // It can enforce level bidirectionally (amplifying and attenuating as needed) or | ||
| 128 | // just attenutating. The former option allows for infinite sustain strings, for example, while | ||
| 129 | // The latter option allows for decaying strings, which can never exceed | ||
| 130 | // a specific level. | ||
| 131 | |||
| 132 | typedef struct _tFBleveller { | ||
| 133 | float targetLevel; // target power level | ||
| 134 | float strength; // how strongly level difference affects the VCA | ||
| 135 | int mode; // 0 for upwards limiting only, 1 for biderctional limiting | ||
| 136 | float curr; | ||
| 137 | tPwrFollow pwrFlw; // internal power follower needed for level tracking | ||
| 138 | |||
| 139 | } tFBleveller; | ||
| 140 | |||
| 141 | void tFBleveller_init (tFBleveller* const, float targetLevel, float factor, float strength, int mode); | ||
| 142 | void tFBleveller_free (tFBleveller* const); | ||
| 143 | |||
| 144 | float tFBleveller_tick (tFBleveller* const, float input); | ||
| 145 | float tFBleveller_sample (tFBleveller* const); | ||
| 146 | int tFBleveller_setTargetLevel (tFBleveller* const, float TargetLevel); | ||
| 147 | int tFBleveller_setFactor (tFBleveller* const, float factor); | ||
| 148 | int tFBleveller_setMode (tFBleveller* const, int mode); // 0 for upwards limiting only, 1 for biderctional limiting | ||
| 149 | int tFBleveller_setStrength (tFBleveller* const, float strength); | ||
| 150 | |||
| 151 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | ||
| 152 | |||
| 153 | /* Simple Living String */ | ||
| 154 | typedef struct _tSimpleLivingString { | ||
| 155 | float freq, waveLengthInSamples; // the frequency of the string, determining delay length | ||
| 156 | float dampFreq; // frequency for the bridge LP filter, in Hz | ||
| 157 | float decay; // amplitude damping factor for the string (only active in mode 0) | ||
| 158 | float levMode; | ||
| 159 | float curr; | ||
| 160 | tDelayL delayLine; | ||
| 161 | tOnePole bridgeFilter; | ||
| 162 | tHighpass DCblocker; | ||
| 163 | tFBleveller fbLev; | ||
| 164 | tExpSmooth wlSmooth; | ||
| 165 | } tSimpleLivingString; | ||
| 166 | |||
| 167 | void tSimpleLivingString_init (tSimpleLivingString* const, float freq, float dampFreq, float decay, float targetLev, float levSmoothFactor, float levStrength, int levMode); | ||
| 168 | void tSimpleLivingString_free (tSimpleLivingString* const); | ||
| 169 | float tSimpleLivingString_tick (tSimpleLivingString* const, float input); | ||
| 170 | float tSimpleLivingString_sample (tSimpleLivingString* const); | ||
| 171 | int tSimpleLivingString_setFreq (tSimpleLivingString* const, float freq); | ||
| 172 | int tSimpleLivingString_setWaveLength (tSimpleLivingString* const, float waveLength); // in samples | ||
| 173 | int tSimpleLivingString_setDampFreq (tSimpleLivingString* const, float dampFreq); | ||
| 174 | int tSimpleLivingString_setDecay (tSimpleLivingString* const, float decay); // should be near 1.0 | ||
| 175 | int tSimpleLivingString_setTargetLev (tSimpleLivingString* const, float targetLev); | ||
| 176 | int tSimpleLivingString_setLevSmoothFactor (tSimpleLivingString* const, float levSmoothFactor); | ||
| 177 | int tSimpleLivingString_setLevStrength (tSimpleLivingString* const, float levStrength); | ||
| 178 | int tSimpleLivingString_setLevMode (tSimpleLivingString* const, int levMode); | ||
| 179 | |||
| 180 | |||
| 181 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | ||
| 182 | |||
| 183 | /* Living String */ | ||
| 184 | typedef struct _tLivingString { | ||
| 185 | float freq, waveLengthInSamples; // the frequency of the whole string, determining delay length | ||
| 186 | float pickPos; // the pick position, dividing the string in two, in ratio | ||
| 187 | float prepIndex; // the amount of pressure on the pickpoint of the string (near 0=soft obj, near 1=hard obj) | ||
| 188 | float dampFreq; // frequency for the bridge LP filter, in Hz | ||
| 189 | float decay; // amplitude damping factor for the string (only active in mode 0) | ||
| 190 | float levMode; | ||
| 191 | float curr; | ||
| 192 | tDelayL delLF,delUF,delUB,delLB; // delay for lower/upper/forward/backward part of the waveguide model | ||
| 193 | tOnePole bridgeFilter, nutFilter, prepFilterU, prepFilterL; | ||
| 194 | tHighpass DCblockerL, DCblockerU; | ||
| 195 | tFBleveller fbLevU, fbLevL; | ||
| 196 | tExpSmooth wlSmooth, ppSmooth; | ||
| 197 | } tLivingString; | ||
| 198 | |||
| 199 | void tLivingString_init (tLivingString* const, float freq, float pickPos, float prepIndex, float dampFreq, float decay, | ||
| 200 | float targetLev, float levSmoothFactor, float levStrength, int levMode); | ||
| 201 | void tLivingString_free (tLivingString* const); | ||
| 202 | float tLivingString_tick (tLivingString* const, float input); | ||
| 203 | float tLivingString_sample (tLivingString* const); | ||
| 204 | int tLivingString_setFreq (tLivingString* const, float freq); | ||
| 205 | int tLivingString_setWaveLength (tLivingString* const, float waveLength); // in samples | ||
| 206 | int tLivingString_setPickPos (tLivingString* const, float pickPos); | ||
| 207 | int tLivingString_setPrepIndex (tLivingString* const, float prepIndex); | ||
| 208 | int tLivingString_setDampFreq (tLivingString* const, float dampFreq); | ||
| 209 | int tLivingString_setDecay (tLivingString* const, float decay); // should be near 1.0 | ||
| 210 | int tLivingString_setTargetLev (tLivingString* const, float targetLev); | ||
| 211 | int tLivingString_setLevSmoothFactor (tLivingString* const, float levSmoothFactor); | ||
| 212 | int tLivingString_setLevStrength (tLivingString* const, float levStrength); | ||
| 213 | int tLivingString_setLevMode (tLivingString* const, int levMode); | ||
| 214 | |||
| 215 | |||
| 216 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | ||
| 72 | 217 | ||
| 73 | /* Compressor */ | 218 | /* Compressor */ |
| 74 | typedef struct _tCompressor | 219 | typedef struct _tCompressor |
| @@ -86,7 +231,7 @@ void tCompressor_init (tCompressor* const); · 11 unmodified lines | |||
| 86 | void tCompressor_free (tCompressor* const); | 231 | void tCompressor_free (tCompressor* const); |
| 87 | float tCompressor_tick (tCompressor* const, float input); | 232 | float tCompressor_tick (tCompressor* const, float input); |
| 88 | 233 | ||
| 89 | //============================================================================== | 234 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 90 | 235 | ||
| 91 | /* Attack-Decay envelope */ | 236 | /* Attack-Decay envelope */ |
| 92 | typedef struct _tEnvelope { | 237 | typedef struct _tEnvelope { |
| @@ -118,7 +263,7 @@ int tEnvelope_setDecay (tEnvelope* const, float decay); · 25 unmodified lines | |||
| 118 | int tEnvelope_loop (tEnvelope* const, oBool loop); | 263 | int tEnvelope_loop (tEnvelope* const, oBool loop); |
| 119 | int tEnvelope_on (tEnvelope* const, float velocity); | 264 | int tEnvelope_on (tEnvelope* const, float velocity); |
| 120 | 265 | ||
| 121 | //============================================================================== | 266 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 122 | 267 | ||
| 123 | /* ADSR */ | 268 | /* ADSR */ |
| 124 | typedef struct _tADSR | 269 | typedef struct _tADSR |
| @@ -150,7 +295,7 @@ int tADSR_setRelease(tADSR* const, float release); · 25 unmodified lines | |||
| 150 | int tADSR_on (tADSR* const, float velocity); | 295 | int tADSR_on (tADSR* const, float velocity); |
| 151 | int tADSR_off (tADSR* const); | 296 | int tADSR_off (tADSR* const); |
| 152 | 297 | ||
| 153 | //============================================================================== | 298 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 154 | 299 | ||
| 155 | /* Envelope Follower */ | 300 | /* Envelope Follower */ |
| 156 | typedef struct _tEnvelopeFollower | 301 | typedef struct _tEnvelopeFollower |
| @@ -168,7 +313,7 @@ float tEnvelopeFollower_tick (tEnvelopeFollower* const, float x); · 11 unmodified lines | |||
| 168 | int tEnvelopeFollower_decayCoeff (tEnvelopeFollower* const, float decayCoeff); | 313 | int tEnvelopeFollower_decayCoeff (tEnvelopeFollower* const, float decayCoeff); |
| 169 | int tEnvelopeFollower_attackThresh (tEnvelopeFollower* const, float attackThresh); | 314 | int tEnvelopeFollower_attackThresh (tEnvelopeFollower* const, float attackThresh); |
| 170 | 315 | ||
| 171 | //============================================================================== | 316 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 172 | 317 | ||
| 173 | /* tAtkDtk */ | 318 | /* tAtkDtk */ |
| 174 | #define DEFBLOCKSIZE 1024 | 319 | #define DEFBLOCKSIZE 1024 |
| @@ -219,7 +364,7 @@ void tAtkDtk_setThreshold (tAtkDtk* const, float thres); · 44 unmodified lines | |||
| 219 | // find largest transient in input block, return index of attack | 364 | // find largest transient in input block, return index of attack |
| 220 | int tAtkDtk_detect (tAtkDtk* const, float *in); | 365 | int tAtkDtk_detect (tAtkDtk* const, float *in); |
| 221 | 366 | ||
| 222 | //============================================================================== | 367 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 223 | 368 | ||
| 224 | // ENV~ from PD, modified for LEAF | 369 | // ENV~ from PD, modified for LEAF |
| 225 | #define MAXOVERLAP 32 | 370 | #define MAXOVERLAP 32 |
| @@ -244,14 +389,12 @@ void tEnv_free (tEnv* const); · 18 unmodified lines | |||
| 244 | float tEnv_tick (tEnv* const); | 389 | float tEnv_tick (tEnv* const); |
| 245 | void tEnv_processBlock (tEnv* const, float* in); | 390 | void tEnv_processBlock (tEnv* const, float* in); |
| 246 | 391 | ||
| 247 | //============================================================================== | 392 | // ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
| 248 | 393 | ||
| 249 | #ifdef __cplusplus | 394 | #ifdef __cplusplus |
| 250 | } | 395 | } |
| 251 | #endif | 396 | #endif |
| 252 | 397 | ||
| 253 | #endif // LEAF_UTILITIES_H_INCLUDED | 398 | #endif // LEAFUTILITIES_H_INCLUDED |
| 254 | |||
| 255 | //============================================================================== | ||
| 256 | 399 | ||
| 257 | 400 | ||
| @@ -22,7 +22,7 @@ extern "C" { · 21 unmodified lines | |||
| 22 | 22 | ||
| 23 | /* tTalkbox */ | 23 | /* tTalkbox */ |
| 24 | #define NUM_TALKBOX_PARAM 4 | 24 | #define NUM_TALKBOX_PARAM 4 |
| 25 | #define TALKBOX_BUFFER_LENGTH 1024 //1600 | 25 | #define TALKBOX_BUFFER_LENGTH 1024 // Every talkbox instance introduces 5 buffers of this size - was originally 1600 |
| 26 | 26 | ||
| 27 | typedef struct _tTalkbox | 27 | typedef struct _tTalkbox |
| 28 | { | 28 | { |
| @@ -178,6 +178,30 @@ float tDelayL_tick (tDelayL* const d, float input) · 177 unmodified lines | |||
| 178 | return d->lastOut; | 178 | return d->lastOut; |
| 179 | } | 179 | } |
| 180 | 180 | ||
| 181 | void tDelayL_tickIn (tDelayL* const d, float input) | ||
| 182 | { | ||
| 183 | d->buff[d->inPoint] = input * d->gain; | ||
| 184 | |||
| 185 | // Increment input pointer modulo length. | ||
| 186 | if (++(d->inPoint) == d->maxDelay ) d->inPoint = 0; | ||
| 187 | } | ||
| 188 | |||
| 189 | float tDelayL_tickOut (tDelayL* const d) | ||
| 190 | { | ||
| 191 | uint32_t idx = (uint32_t) d->outPoint; | ||
| 192 | |||
| 193 | d->lastOut = LEAF_interpolate_hermite (d->buff[((idx - 1) + d->maxDelay) % d->maxDelay], | ||
| 194 | d->buff[idx], | ||
| 195 | d->buff[(idx + 1) % d->maxDelay], | ||
| 196 | d->buff[(idx + 2) % d->maxDelay], | ||
| 197 | d->alpha); | ||
| 198 | |||
| 199 | // Increment output pointer modulo length | ||
| 200 | if ( (++d->outPoint) >= d->maxDelay ) d->outPoint = 0; | ||
| 201 | |||
| 202 | return d->lastOut; | ||
| 203 | } | ||
| 204 | |||
| 181 | int tDelayL_setDelay (tDelayL* const d, float delay) | 205 | int tDelayL_setDelay (tDelayL* const d, float delay) |
| 182 | { | 206 | { |
| 183 | d->delay = LEAF_clip(0.0f, delay, d->maxDelay); | 207 | d->delay = LEAF_clip(0.0f, delay, d->maxDelay); |
| @@ -0,0 +1,124 @@ | |||
| 1 | // | ||
| 2 | // leaf-oversampler.c | ||
| 3 | // LEAF | ||
| 4 | // | ||
| 5 | // Created by Matthew Wang and Joshua Becker on 2/28/19. | ||
| 6 | // Copyright © 2019 Princeton University. All rights reserved. | ||
| 7 | // | ||
| 8 | |||
| 9 | #if _WIN32 || _WIN64 | ||
| 10 | |||
| 11 | #include "..\Inc\leaf-oversampler.h" | ||
| 12 | #else | ||
| 13 | |||
| 14 | #include "../Inc/leaf-oversampler.h" | ||
| 15 | |||
| 16 | #endif | ||
| 17 | |||
| 18 | // Currently just using a double sample rate version of SVF from leaf-filter.c, may want to implement better filter for oversampling. | ||
| 19 | // Quick testing seems to indicate that this filter sufficiently handles most aliasing. | ||
| 20 | void tOversamplerFilter_init(tOversamplerFilter* const lpf, float freq, float Q, float sampleRateMultiplier) | ||
| 21 | { | ||
| 22 | lpf->ic1eq = 0; | ||
| 23 | lpf->ic2eq = 0; | ||
| 24 | |||
| 25 | float a1,a2,a3,g,k; | ||
| 26 | float scaledInverseSampleRate = leaf.invSampleRate * (1 / sampleRateMultiplier); | ||
| 27 | |||
| 28 | g = tanf(PI * freq * scaledInverseSampleRate); | ||
| 29 | k = 1.0f/Q; | ||
| 30 | a1 = 1.0f/(1.0f+g*(g+k)); | ||
| 31 | a2 = g*a1; | ||
| 32 | a3 = g*a2; | ||
| 33 | |||
| 34 | lpf->g = g; | ||
| 35 | lpf->k = k; | ||
| 36 | lpf->a1 = a1; | ||
| 37 | lpf->a2 = a2; | ||
| 38 | lpf->a3 = a3; | ||
| 39 | } | ||
| 40 | |||
| 41 | float tOversamplerFilter_tick(tOversamplerFilter* const lpf, float v0) | ||
| 42 | { | ||
| 43 | float v1,v2,v3; | ||
| 44 | v3 = v0 - lpf->ic2eq; | ||
| 45 | v1 = (lpf->a1 * lpf->ic1eq) + (lpf->a2 * v3); | ||
| 46 | v2 = lpf->ic2eq + (lpf->a2 * lpf->ic1eq) + (lpf->a3 * v3); | ||
| 47 | lpf->ic1eq = (2.0f * v1) - lpf->ic1eq; | ||
| 48 | lpf->ic2eq = (2.0f * v2) - lpf->ic2eq; | ||
| 49 | |||
| 50 | return v2; | ||
| 51 | } | ||
| 52 | |||
| 53 | // 2X Oversampler | ||
| 54 | void tOversampler2x_init(tOversampler2x* const os) | ||
| 55 | { | ||
| 56 | tOversamplerFilter_init(&os->filters[0], leaf.sampleRate*0.5f, 0.1f, 2.f); | ||
| 57 | tOversamplerFilter_init(&os->filters[1], leaf.sampleRate*0.5f, 0.1f, 2.f); | ||
| 58 | } | ||
| 59 | |||
| 60 | float tOversampler2x_tick(tOversampler2x* const os, float input, float (*nonLinearTick)(float)) | ||
| 61 | { | ||
| 62 | float sample = input; | ||
| 63 | float oversample = 0.f; | ||
| 64 | |||
| 65 | sample = tOversamplerFilter_tick(&os->filters[0], sample); | ||
| 66 | oversample = tOversamplerFilter_tick(&os->filters[0], oversample); | ||
| 67 | |||
| 68 | sample = nonLinearTick(sample); | ||
| 69 | oversample = nonLinearTick(oversample); | ||
| 70 | |||
| 71 | sample = tOversamplerFilter_tick(&os->filters[1], sample); | ||
| 72 | oversample = tOversamplerFilter_tick(&os->filters[1], oversample); | ||
| 73 | |||
| 74 | return sample; | ||
| 75 | } | ||
| 76 | |||
| 77 | // 4X Oversampler | ||
| 78 | void tOversampler4x_init(tOversampler4x* const os) | ||
| 79 | { | ||
| 80 | tOversamplerFilter_init(&os->filters[0], leaf.sampleRate*0.25f, 0.1f, 2.f); //sample rate was *0.5 but I assume that was copypaste mistake (copied from 2X filter) - JS | ||
| 81 | tOversamplerFilter_init(&os->filters[1], leaf.sampleRate*0.25f, 0.1f, 4.f); | ||
| 82 | tOversamplerFilter_init(&os->filters[2], leaf.sampleRate*0.25f, 0.1f, 4.f); | ||
| 83 | tOversamplerFilter_init(&os->filters[3] , leaf.sampleRate*0.25f, 0.1f, 2.f); | ||
| 84 | } | ||
| 85 | |||
| 86 | float tOversampler4x_tick(tOversampler4x* const os, float input, float (*nonLinearTick)(float)) | ||
| 87 | { | ||
| 88 | float sample = input; | ||
| 89 | float oversample1 = 0.f; | ||
| 90 | float oversample2 = 0.f; | ||
| 91 | float oversample3 = 0.f; | ||
| 92 | // Phase 1: | ||
| 93 | // x = [sample, oversample2] | ||
| 94 | // lpf(x) | ||
| 95 | // Phase 2: | ||
| 96 | // x = [sample, oversample1, oversample2, oversample3] | ||
| 97 | // lpf(dist(lpf(x))) | ||
| 98 | // Phase 3: | ||
| 99 | // x = [sample, oversample2] | ||
| 100 | // lpf(x) | ||
| 101 | |||
| 102 | sample = tOversamplerFilter_tick(&os->filters[0], sample); | ||
| 103 | oversample2 = tOversamplerFilter_tick(&os->filters[0], oversample2); | ||
| 104 | |||
| 105 | sample = tOversamplerFilter_tick(&os->filters[1], sample); | ||
| 106 | oversample1 = tOversamplerFilter_tick(&os->filters[1], oversample1); | ||
| 107 | oversample2 = tOversamplerFilter_tick(&os->filters[1], oversample2); | ||
| 108 | oversample3 = tOversamplerFilter_tick(&os->filters[1], oversample3); | ||
| 109 | |||
| 110 | sample = nonLinearTick(sample); | ||
| 111 | oversample1 = nonLinearTick(oversample1); | ||
| 112 | oversample2 = nonLinearTick(oversample2); | ||
| 113 | oversample3 = nonLinearTick(oversample3); | ||
| 114 | |||
| 115 | sample = tOversamplerFilter_tick(&os->filters[2], sample); | ||
| 116 | oversample1 = tOversamplerFilter_tick(&os->filters[2], oversample1); | ||
| 117 | oversample2 = tOversamplerFilter_tick(&os->filters[2], oversample2); | ||
| 118 | oversample3 = tOversamplerFilter_tick(&os->filters[2], oversample3); | ||
| 119 | |||
| 120 | sample = tOversamplerFilter_tick(&os->filters[3], sample); | ||
| 121 | oversample2 = tOversamplerFilter_tick(&os->filters[3], oversample2); | ||
| 122 | |||
| 123 | return sample; | ||
| 124 | } | ||
| @@ -1,10 +1,12 @@ | |||
| 1 | /*============================================================================== | 1 | /* |
| 2 | ============================================================================== | ||
| 2 | 3 | ||
| 3 | leaf-utilities.c | 4 | LEAFUtilities.c |
| 4 | Created: 20 Jan 2017 12:02:17pm | 5 | Created: 20 Jan 2017 12:02:17pm |
| 5 | Author: Michael R Mulshine | 6 | Author: Michael R Mulshine |
| 6 | 7 | ||
| 7 | ==============================================================================*/ | 8 | ============================================================================== |
| 9 | */ | ||
| 8 | 10 | ||
| 9 | 11 | ||
| 10 | #if _WIN32 || _WIN64 | 12 | #if _WIN32 || _WIN64 |
| @@ -29,12 +31,12 @@ float mtof(float f) · 18 unmodified lines | |||
| 29 | { | 31 | { |
| 30 | if (f <= -1500.0f) return(0); | 32 | if (f <= -1500.0f) return(0); |
| 31 | else if (f > 1499.0f) return(mtof(1499.0f)); | 33 | else if (f > 1499.0f) return(mtof(1499.0f)); |
| 32 | else return (8.17579891564f * exp(0.0577622650f * f)); | 34 | else return (8.17579891564f * expf(0.0577622650f * f)); |
| 33 | } | 35 | } |
| 34 | 36 | ||
| 35 | float ftom(float f) | 37 | float ftom(float f) |
| 36 | { | 38 | { |
| 37 | return (f > 0 ? 17.3123405046f * log(.12231220585f * f) : -1500.0f); | 39 | return (f > 0 ? 17.3123405046f * logf(.12231220585f * f) : -1500.0f); |
| 38 | } | 40 | } |
| 39 | 41 | ||
| 40 | float powtodb(float f) | 42 | float powtodb(float f) |
| @@ -42,7 +44,7 @@ float powtodb(float f) · 1 unmodified line | |||
| 42 | if (f <= 0) return (0); | 44 | if (f <= 0) return (0); |
| 43 | else | 45 | else |
| 44 | { | 46 | { |
| 45 | float val = 100 + 10.f/LOGTEN * log(f); | 47 | float val = 100 + 10.f/LOGTEN * logf(f); |
| 46 | return (val < 0 ? 0 : val); | 48 | return (val < 0 ? 0 : val); |
| 47 | } | 49 | } |
| 48 | } | 50 | } |
| @@ -65,7 +67,7 @@ float dbtopow(float f) · 16 unmodified lines | |||
| 65 | { | 67 | { |
| 66 | if (f > 870.0f) | 68 | if (f > 870.0f) |
| 67 | f = 870.0f; | 69 | f = 870.0f; |
| 68 | return (exp((LOGTEN * 0.1f) * (f-100.0f))); | 70 | return (expf((LOGTEN * 0.1f) * (f-100.0f))); |
| 69 | } | 71 | } |
| 70 | } | 72 | } |
| 71 | 73 | ||
| @@ -78,7 +80,7 @@ float dbtorms(float f) · 6 unmodified lines | |||
| 78 | if (f > 485.0f) | 80 | if (f > 485.0f) |
| 79 | f = 485.0f; | 81 | f = 485.0f; |
| 80 | } | 82 | } |
| 81 | return (exp((LOGTEN * 0.05f) * (f-100.0f))); | 83 | return (expf((LOGTEN * 0.05f) * (f-100.0f))); |
| 82 | } | 84 | } |
| 83 | 85 | ||
| 84 | /* ---------------- env~ - simple envelope follower. ----------------- */ | 86 | /* ---------------- env~ - simple envelope follower. ----------------- */ |
| @@ -103,7 +105,7 @@ void tEnv_init(tEnv* const x, int ws, int hs, int bs) · 18 unmodified lines | |||
| 103 | 105 | ||
| 104 | for (i = 0; i < MAXOVERLAP; i++) x->x_sumbuf[i] = 0; | 106 | for (i = 0; i < MAXOVERLAP; i++) x->x_sumbuf[i] = 0; |
| 105 | for (i = 0; i < npoints; i++) | 107 | for (i = 0; i < npoints; i++) |
| 106 | x->buf[i] = (1.0f - cos((2 * PI * i) / npoints))/npoints; | 108 | x->buf[i] = (1.0f - cosf((2 * PI * i) / npoints))/npoints; |
| 107 | for (; i < npoints+INITVSTAKEN; i++) x->buf[i] = 0; | 109 | for (; i < npoints+INITVSTAKEN; i++) x->buf[i] = 0; |
| 108 | 110 | ||
| 109 | x->x_f = 0; | 111 | x->x_f = 0; |
| @@ -761,6 +763,8 @@ float tRamp_tick(tRamp* const r) { · 651 unmodified lines | |||
| 761 | r->curr += r->inc; | 763 | r->curr += r->inc; |
| 762 | 764 | ||
| 763 | if (((r->curr >= r->dest) && (r->inc > 0.0f)) || ((r->curr <= r->dest) && (r->inc < 0.0f))) r->inc = 0.0f; | 765 | if (((r->curr >= r->dest) && (r->inc > 0.0f)) || ((r->curr <= r->dest) && (r->inc < 0.0f))) r->inc = 0.0f; |
| 766 | // Palle: There is a slight risk that you overshoot here and stay on dest+inc, which with a large inc value could be a real problem | ||
| 767 | // I suggest you add: r->curr=r->dest in the true if case | ||
| 764 | 768 | ||
| 765 | return r->curr; | 769 | return r->curr; |
| 766 | } | 770 | } |
| @@ -775,6 +779,417 @@ void tRampSampleRateChanged(tRamp* const r) · 8 unmodified lines | |||
| 775 | r->inv_sr_ms = 1.0f / (leaf.sampleRate * 0.001f); | 779 | r->inv_sr_ms = 1.0f / (leaf.sampleRate * 0.001f); |
| 776 | r->inc = ((r->dest-r->curr)/r->time * r->inv_sr_ms)*((float)r->samples_per_tick); | 780 | r->inc = ((r->dest-r->curr)/r->time * r->inv_sr_ms)*((float)r->samples_per_tick); |
| 777 | } | 781 | } |
| 782 | |||
| 783 | |||
| 784 | /* Exponential Smoother */ | ||
| 785 | void tExpSmooth_init(tExpSmooth* const smooth, float val, float factor) | ||
| 786 | { // factor is usually a value between 0 and 0.1. Lower value is slower. 0.01 for example gives you a smoothing time of about 10ms | ||
| 787 | smooth->curr=val; | ||
| 788 | smooth->dest=val; | ||
| 789 | if (factor<0) factor=0; | ||
| 790 | if (factor>1) factor=1; | ||
| 791 | smooth->factor=factor; | ||
| 792 | smooth->oneminusfactor=1.0f-factor; | ||
| 793 | } | ||
| 794 | |||
| 795 | int tExpSmooth_setFactor(tExpSmooth* const smooth, float factor) | ||
| 796 | { // factor is usually a value between 0 and 0.1. Lower value is slower. 0.01 for example gives you a smoothing time of about 10ms | ||
| 797 | if (factor<0) | ||
| 798 | factor=0; | ||
| 799 | else | ||
| 800 | if (factor>1) factor=1; | ||
| 801 | smooth->factor=factor; | ||
| 802 | smooth->oneminusfactor=1.0f-factor; | ||
| 803 | return 0; | ||
| 804 | } | ||
| 805 | |||
| 806 | int tExpSmooth_setDest(tExpSmooth* const smooth, float dest) | ||
| 807 | { | ||
| 808 | smooth->dest=dest; | ||
| 809 | return 0; | ||
| 810 | } | ||
| 811 | |||
| 812 | int tExpSmooth_setVal(tExpSmooth* const smooth, float val) | ||
| 813 | { | ||
| 814 | smooth->curr=val; | ||
| 815 | return 0; | ||
| 816 | } | ||
| 817 | |||
| 818 | float tExpSmooth_tick(tExpSmooth* const smooth) | ||
| 819 | { | ||
| 820 | smooth->curr = smooth->factor*smooth->dest+smooth->oneminusfactor*smooth->curr; | ||
| 821 | return smooth->curr; | ||
| 822 | } | ||
| 823 | |||
| 824 | float tExpSmooth_sample(tExpSmooth* const smooth) | ||
| 825 | { | ||
| 826 | return smooth->curr; | ||
| 827 | } | ||
| 828 | |||
| 829 | |||
| 830 | /* Power Follower */ | ||
| 831 | |||
| 832 | void tPwrFollow_init(tPwrFollow* const p, float factor) | ||
| 833 | { | ||
| 834 | p->curr=0.0f; | ||
| 835 | p->factor=factor; | ||
| 836 | p->oneminusfactor=1.0f-factor; | ||
| 837 | } | ||
| 838 | |||
| 839 | int tPwrFollow_setFactor(tPwrFollow* const p, float factor) | ||
| 840 | { | ||
| 841 | if (factor<0) factor=0; | ||
| 842 | if (factor>1) factor=1; | ||
| 843 | p->factor=factor; | ||
| 844 | p->oneminusfactor=1.0f-factor; | ||
| 845 | return 0; | ||
| 846 | } | ||
| 847 | |||
| 848 | float tPwrFollow_tick(tPwrFollow* const p, float input) | ||
| 849 | { | ||
| 850 | p->curr = p->factor*input*input+p->oneminusfactor*p->curr; | ||
| 851 | return p->curr; | ||
| 852 | } | ||
| 853 | |||
| 854 | float tPwrFollow_sample(tPwrFollow* const p) | ||
| 855 | { | ||
| 856 | return p->curr; | ||
| 857 | } | ||
| 858 | |||
| 859 | /* Feedback Leveler */ | ||
| 860 | |||
| 861 | void tFBleveller_init(tFBleveller* const p, float targetLevel, float factor, float strength, int mode) | ||
| 862 | { | ||
| 863 | p->curr=0.0f; | ||
| 864 | p->targetLevel=targetLevel; | ||
| 865 | tPwrFollow_init(&p->pwrFlw,factor); | ||
| 866 | p->mode=mode; | ||
| 867 | p->strength=strength; | ||
| 868 | } | ||
| 869 | |||
| 870 | int tFBleveller_setStrength(tFBleveller* const p, float strength) | ||
| 871 | { // strength is how strongly level diff is affecting the amp ratio | ||
| 872 | // try 0.125 for a start | ||
| 873 | p->strength=strength; | ||
| 874 | return 0; | ||
| 875 | } | ||
| 876 | |||
| 877 | int tFBleveller_setFactor(tFBleveller* const p, float factor) | ||
| 878 | { | ||
| 879 | tPwrFollow_setFactor(&p->pwrFlw,factor); | ||
| 880 | return 0; | ||
| 881 | } | ||
| 882 | |||
| 883 | int tFBleveller_setMode(tFBleveller* const p, int mode) | ||
| 884 | { // 0 for decaying with upwards lev limiting, 1 for constrained absolute level (also downwards limiting) | ||
| 885 | p->mode=mode; | ||
| 886 | return 0; | ||
| 887 | } | ||
| 888 | |||
| 889 | float tFBleveller_tick(tFBleveller* const p, float input) | ||
| 890 | { | ||
| 891 | float levdiff=(tPwrFollow_tick(&p->pwrFlw, input)-p->targetLevel); | ||
| 892 | if (p->mode==0 && levdiff<0) levdiff=0; | ||
| 893 | p->curr=input*(1-p->strength*levdiff); | ||
| 894 | return p->curr; | ||
| 895 | } | ||
| 896 | |||
| 897 | float tFBleveller_sample(tFBleveller* const p) | ||
| 898 | { | ||
| 899 | return p->curr; | ||
| 900 | } | ||
| 901 | |||
| 902 | |||
| 903 | int tFBleveller_setTargetLevel (tFBleveller* const p, float TargetLevel) | ||
| 904 | { | ||
| 905 | p->targetLevel=TargetLevel; | ||
| 906 | } | ||
| 907 | |||
| 908 | ///Reed Table model | ||
| 909 | //default values from STK are 0.6 offset and -0.8 slope | ||
| 910 | |||
| 911 | void tReedTable_init (tReedTable* const p, float offset, float slope) | ||
| 912 | { | ||
| 913 | p->offset = offset; | ||
| 914 | p->slope = slope; | ||
| 915 | } | ||
| 916 | |||
| 917 | void tReedTable_free (tReedTable* const p) | ||
| 918 | { | ||
| 919 | ; | ||
| 920 | } | ||
| 921 | |||
| 922 | float tReedTable_tick (tReedTable* const p, float input) | ||
| 923 | { | ||
| 924 | // The input is differential pressure across the reed. | ||
| 925 | float output = p->offset + (p->slope * input); | ||
| 926 | |||
| 927 | // If output is > 1, the reed has slammed shut and the | ||
| 928 | // reflection function value saturates at 1.0. | ||
| 929 | if ( output > 1.0f) output = 1.0f; | ||
| 930 | |||
| 931 | // This is nearly impossible in a physical system, but | ||
| 932 | // a reflection function value of -1.0 corresponds to | ||
| 933 | // an open end (and no discontinuity in bore profile). | ||
| 934 | if ( output < -1.0f) output = -1.0f; | ||
| 935 | |||
| 936 | return output; | ||
| 937 | } | ||
| 938 | |||
| 939 | float tReedTable_tanh_tick (tReedTable* const p, float input) | ||
| 940 | { | ||
| 941 | // The input is differential pressure across the reed. | ||
| 942 | float output = p->offset + (p->slope * input); | ||
| 943 | |||
| 944 | // If output is > 1, the reed has slammed shut and the | ||
| 945 | // reflection function value saturates at 1.0. | ||
| 946 | return tanhf(output); | ||
| 947 | } | ||
| 948 | |||
| 949 | void tReedTable_setOffset (tReedTable* const p, float offset) | ||
| 950 | { | ||
| 951 | p->offset = offset; | ||
| 952 | } | ||
| 953 | |||
| 954 | void tReedTable_setSlope (tReedTable* const p, float slope) | ||
| 955 | { | ||
| 956 | p->slope = slope; | ||
| 957 | } | ||
| 958 | |||
| 959 | |||
| 960 | |||
| 961 | /* Simple Living String*/ | ||
| 962 | |||
| 963 | void tSimpleLivingString_init(tSimpleLivingString* const p, float freq, float dampFreq, float decay, float targetLev, float levSmoothFactor, float levStrength, int levMode) | ||
| 964 | { | ||
| 965 | p->curr=0.0f; | ||
| 966 | tExpSmooth_init(&p->wlSmooth, leaf.sampleRate/freq, 0.01); // smoother for string wavelength (not freq, to avoid expensive divisions) | ||
| 967 | tSimpleLivingString_setFreq(p, freq); | ||
| 968 | tDelayL_init(&p->delayLine,p->waveLengthInSamples, 2400); | ||
| 969 | tOnePole_init(&p->bridgeFilter, dampFreq); | ||
| 970 | tHighpass_init(&p->DCblocker,13); | ||
| 971 | p->decay=decay; | ||
| 972 | tFBleveller_init(&p->fbLev, targetLev, levSmoothFactor, levStrength, levMode); | ||
| 973 | p->levMode=levMode; | ||
| 974 | } | ||
| 975 | |||
| 976 | int tSimpleLivingString_setFreq(tSimpleLivingString* const p, float freq) | ||
| 977 | { | ||
| 978 | if (freq<20) freq=20; | ||
| 979 | else if (freq>10000) freq=10000; | ||
| 980 | p->waveLengthInSamples = leaf.sampleRate/freq; | ||
| 981 | tExpSmooth_setDest(&p->wlSmooth, p->waveLengthInSamples); | ||
| 982 | return 0; | ||
| 983 | } | ||
| 984 | |||
| 985 | int tSimpleLivingString_setWaveLength(tSimpleLivingString* const p, float waveLength) | ||
| 986 | { | ||
| 987 | if (waveLength<4.8) waveLength=4.8; | ||
| 988 | else if (waveLength>2400) waveLength=2400; | ||
| 989 | p->waveLengthInSamples = waveLength; | ||
| 990 | tExpSmooth_setDest(&p->wlSmooth, p->waveLengthInSamples); | ||
| 991 | return 0; | ||
| 992 | } | ||
| 993 | |||
| 994 | int tSimpleLivingString_setDampFreq(tSimpleLivingString* const p, float dampFreq) | ||
| 995 | { | ||
| 996 | tOnePole_setFreq(&p->bridgeFilter, dampFreq); | ||
| 997 | return 0; | ||
| 998 | } | ||
| 999 | |||
| 1000 | int tSimpleLivingString_setDecay(tSimpleLivingString* const p, float decay) | ||
| 1001 | { | ||
| 1002 | p->decay=decay; | ||
| 1003 | return 0; | ||
| 1004 | } | ||
| 1005 | |||
| 1006 | int tSimpleLivingString_setTargetLev(tSimpleLivingString* const p, float targetLev) | ||
| 1007 | { | ||
| 1008 | tFBleveller_setTargetLevel(&p->fbLev, targetLev); | ||
| 1009 | return 0; | ||
| 1010 | } | ||
| 1011 | |||
| 1012 | int tSimpleLivingString_setLevSmoothFactor(tSimpleLivingString* const p, float levSmoothFactor) | ||
| 1013 | { | ||
| 1014 | tFBleveller_setFactor(&p->fbLev, levSmoothFactor); | ||
| 1015 | return 0; | ||
| 1016 | } | ||
| 1017 | |||
| 1018 | int tSimpleLivingString_setLevStrength(tSimpleLivingString* const p, float levStrength) | ||
| 1019 | { | ||
| 1020 | tFBleveller_setStrength(&p->fbLev, levStrength); | ||
| 1021 | return 0; | ||
| 1022 | } | ||
| 1023 | |||
| 1024 | int tSimpleLivingString_setLevMode(tSimpleLivingString* const p, int levMode) | ||
| 1025 | { | ||
| 1026 | tFBleveller_setMode(&p->fbLev, levMode); | ||
| 1027 | p->levMode=levMode; | ||
| 1028 | return 0; | ||
| 1029 | } | ||
| 1030 | |||
| 1031 | float tSimpleLivingString_tick(tSimpleLivingString* const p, float input) | ||
| 1032 | { | ||
| 1033 | float stringOut=tOnePole_tick(&p->bridgeFilter,tDelayL_tickOut(&p->delayLine)); | ||
| 1034 | float stringInput=tHighpass_tick(&p->DCblocker, tFBleveller_tick(&p->fbLev, (p->levMode==0?p->decay*stringOut:stringOut)+input)); | ||
| 1035 | tDelayL_tickIn(&p->delayLine, stringInput); | ||
| 1036 | tDelayL_setDelay(&p->delayLine, tExpSmooth_tick(&p->wlSmooth)); | ||
| 1037 | p->curr = stringOut; | ||
| 1038 | return p->curr; | ||
| 1039 | } | ||
| 1040 | |||
| 1041 | float tSimpleLivingString_sample(tSimpleLivingString* const p) | ||
| 1042 | { | ||
| 1043 | return p->curr; | ||
| 1044 | } | ||
| 1045 | |||
| 1046 | /* Living String*/ | ||
| 1047 | |||
| 1048 | void tLivingString_init(tLivingString* const p, float freq, float pickPos, float prepIndex, float dampFreq, float decay, float targetLev, float levSmoothFactor, float levStrength, int levMode) | ||
| 1049 | { | ||
| 1050 | p->curr=0.0f; | ||
| 1051 | tExpSmooth_init(&p->wlSmooth, leaf.sampleRate/freq, 0.01); // smoother for string wavelength (not freq, to avoid expensive divisions) | ||
| 1052 | tLivingString_setFreq(p, freq); | ||
| 1053 | tExpSmooth_init(&p->ppSmooth, pickPos, 0.01); // smoother for pick position | ||
| 1054 | tLivingString_setPickPos(p, pickPos); | ||
| 1055 | p->prepIndex=prepIndex; | ||
| 1056 | tDelayL_init(&p->delLF,p->waveLengthInSamples, 2400); | ||
| 1057 | tDelayL_init(&p->delUF,p->waveLengthInSamples, 2400); | ||
| 1058 | tDelayL_init(&p->delUB,p->waveLengthInSamples, 2400); | ||
| 1059 | tDelayL_init(&p->delLB,p->waveLengthInSamples, 2400); | ||
| 1060 | tOnePole_init(&p->bridgeFilter, dampFreq); | ||
| 1061 | tOnePole_init(&p->nutFilter, dampFreq); | ||
| 1062 | tOnePole_init(&p->prepFilterU, dampFreq); | ||
| 1063 | tOnePole_init(&p->prepFilterL, dampFreq); | ||
| 1064 | tHighpass_init(&p->DCblockerU,13); | ||
| 1065 | tHighpass_init(&p->DCblockerL,13); | ||
| 1066 | p->decay=decay; | ||
| 1067 | tFBleveller_init(&p->fbLevU, targetLev, levSmoothFactor, levStrength, levMode); | ||
| 1068 | tFBleveller_init(&p->fbLevL, targetLev, levSmoothFactor, levStrength, levMode); | ||
| 1069 | p->levMode=levMode; | ||
| 1070 | } | ||
| 1071 | |||
| 1072 | int tLivingString_setFreq(tLivingString* const p, float freq) | ||
| 1073 | { // NOTE: It is faster to set wavelength in samples directly | ||
| 1074 | if (freq<20) freq=20; | ||
| 1075 | else if (freq>10000) freq=10000; | ||
| 1076 | p->waveLengthInSamples = leaf.sampleRate/freq; | ||
| 1077 | tExpSmooth_setDest(&p->wlSmooth, p->waveLengthInSamples); | ||
| 1078 | return 0; | ||
| 1079 | } | ||
| 1080 | |||
| 1081 | int tLivingString_setWaveLength(tLivingString* const p, float waveLength) | ||
| 1082 | { | ||
| 1083 | if (waveLength<4.8) waveLength=4.8; | ||
| 1084 | else if (waveLength>2400) waveLength=2400; | ||
| 1085 | p->waveLengthInSamples = waveLength; | ||
| 1086 | tExpSmooth_setDest(&p->wlSmooth, p->waveLengthInSamples); | ||
| 1087 | return 0; | ||
| 1088 | } | ||
| 1089 | |||
| 1090 | int tLivingString_setPickPos(tLivingString* const p, float pickPos) | ||
| 1091 | { // between 0 and 1 | ||
| 1092 | if (pickPos<0.f) pickPos=0.f; | ||
| 1093 | else if (pickPos>1.f) pickPos=1.f; | ||
| 1094 | p->pickPos = pickPos; | ||
| 1095 | tExpSmooth_setDest(&p->ppSmooth, p->pickPos); | ||
| 1096 | return 0; | ||
| 1097 | } | ||
| 1098 | |||
| 1099 | int tLivingString_setPrepIndex(tLivingString* const p, float prepIndex) | ||
| 1100 | { // between 0 and 1 | ||
| 1101 | if (prepIndex<0.f) prepIndex=0.f; | ||
| 1102 | else if (prepIndex>1.f) prepIndex=1.f; | ||
| 1103 | p->prepIndex = prepIndex; | ||
| 1104 | return 0; | ||
| 1105 | } | ||
| 1106 | |||
| 1107 | int tLivingString_setDampFreq(tLivingString* const p, float dampFreq) | ||
| 1108 | { | ||
| 1109 | tOnePole_setFreq(&p->bridgeFilter, dampFreq); | ||
| 1110 | tOnePole_setFreq(&p->nutFilter, dampFreq); | ||
| 1111 | tOnePole_setFreq(&p->prepFilterU, dampFreq); | ||
| 1112 | tOnePole_setFreq(&p->prepFilterL, dampFreq); | ||
| 1113 | return 0; | ||
| 1114 | } | ||
| 1115 | |||
| 1116 | int tLivingString_setDecay(tLivingString* const p, float decay) | ||
| 1117 | { | ||
| 1118 | p->decay=decay; | ||
| 1119 | return 0; | ||
| 1120 | } | ||
| 1121 | |||
| 1122 | int tLivingString_setTargetLev(tLivingString* const p, float targetLev) | ||
| 1123 | { | ||
| 1124 | tFBleveller_setTargetLevel(&p->fbLevU, targetLev); | ||
| 1125 | tFBleveller_setTargetLevel(&p->fbLevL, targetLev); | ||
| 1126 | return 0; | ||
| 1127 | } | ||
| 1128 | |||
| 1129 | int tLivingString_setLevSmoothFactor(tLivingString* const p, float levSmoothFactor) | ||
| 1130 | { | ||
| 1131 | tFBleveller_setFactor(&p->fbLevU, levSmoothFactor); | ||
| 1132 | tFBleveller_setFactor(&p->fbLevL, levSmoothFactor); | ||
| 1133 | return 0; | ||
| 1134 | } | ||
| 1135 | |||
| 1136 | int tLivingString_setLevStrength(tLivingString* const p, float levStrength) | ||
| 1137 | { | ||
| 1138 | tFBleveller_setStrength(&p->fbLevU, levStrength); | ||
| 1139 | tFBleveller_setStrength(&p->fbLevL, levStrength); | ||
| 1140 | return 0; | ||
| 1141 | } | ||
| 1142 | |||
| 1143 | int tLivingString_setLevMode(tLivingString* const p, int levMode) | ||
| 1144 | { | ||
| 1145 | tFBleveller_setMode(&p->fbLevU, levMode); | ||
| 1146 | tFBleveller_setMode(&p->fbLevL, levMode); | ||
| 1147 | p->levMode=levMode; | ||
| 1148 | return 0; | ||
| 1149 | } | ||
| 1150 | |||
| 1151 | float tLivingString_tick(tLivingString* const p, float input) | ||
| 1152 | { | ||
| 1153 | // from pickPos upwards=forwards | ||
| 1154 | float fromLF=tDelayL_tickOut(&p->delLF); | ||
| 1155 | float fromUF=tDelayL_tickOut(&p->delUF); | ||
| 1156 | float fromUB=tDelayL_tickOut(&p->delUB); | ||
| 1157 | float fromLB=tDelayL_tickOut(&p->delLB); | ||
| 1158 | // into upper half of string, from nut, going backwards | ||
| 1159 | float fromNut=-tFBleveller_tick(&p->fbLevU, (p->levMode==0?p->decay:1)*tHighpass_tick(&p->DCblockerU, tOnePole_tick(&p->nutFilter, fromUF))); | ||
| 1160 | tDelayL_tickIn(&p->delUB, fromNut); | ||
| 1161 | // into lower half of string, from pickpoint, going backwards | ||
| 1162 | float fromLowerPrep=-tOnePole_tick(&p->prepFilterL, fromLF); | ||
| 1163 | float intoLower=p->prepIndex*fromLowerPrep+(1-p->prepIndex)*fromUB+input; | ||
| 1164 | tDelayL_tickIn(&p->delLB, intoLower); | ||
| 1165 | // into lower half of string, from bridge | ||
| 1166 | float fromBridge=-tFBleveller_tick(&p->fbLevL, (p->levMode==0?p->decay:1)*tHighpass_tick(&p->DCblockerL, tOnePole_tick(&p->bridgeFilter, fromLB))); | ||
| 1167 | tDelayL_tickIn(&p->delLF, fromBridge); | ||
| 1168 | // into upper half of string, from pickpoint, going forwards/upwards | ||
| 1169 | float fromUpperPrep=-tOnePole_tick(&p->prepFilterU, fromUB); | ||
| 1170 | float intoUpper=p->prepIndex*fromUpperPrep+(1-p->prepIndex)*fromLF+input; | ||
| 1171 | tDelayL_tickIn(&p->delUF, intoUpper); | ||
| 1172 | // update all delay lengths | ||
| 1173 | float pickP=tExpSmooth_tick(&p->ppSmooth); | ||
| 1174 | float wLen=tExpSmooth_tick(&p->wlSmooth); | ||
| 1175 | float lowLen=pickP*wLen; | ||
| 1176 | float upLen=(1-pickP)*wLen; | ||
| 1177 | tDelayL_setDelay(&p->delLF, lowLen); | ||
| 1178 | tDelayL_setDelay(&p->delLB, lowLen); | ||
| 1179 | tDelayL_setDelay(&p->delUF, upLen); | ||
| 1180 | tDelayL_setDelay(&p->delUB, upLen); | ||
| 1181 | p->curr = fromBridge; | ||
| 1182 | return p->curr; | ||
| 1183 | } | ||
| 1184 | |||
| 1185 | float tLivingString_sample(tLivingString* const p) | ||
| 1186 | { | ||
| 1187 | return p->curr; | ||
| 1188 | } | ||
| 1189 | |||
| 1190 | |||
| 1191 | /* Stack */ | ||
| 1192 | |||
| 778 | // If stack contains note, returns index. Else returns -1; | 1193 | // If stack contains note, returns index. Else returns -1; |
| 779 | int tStack_contains(tStack* const ns, uint16_t noteVal) | 1194 | int tStack_contains(tStack* const ns, uint16_t noteVal) |
| 780 | { | 1195 | { |
| @@ -16,7 +16,7 @@ · 15 unmodified lines | |||
| 16 | 16 | ||
| 17 | #endif | 17 | #endif |
| 18 | 18 | ||
| 19 | void tLockhartWavefolderInit(tLockhartWavefolder* const w) | 19 | void tLockhartWavefolder_init(tLockhartWavefolder* const w) |
| 20 | { | 20 | { |
| 21 | w->Ln1 = 0.0; | 21 | w->Ln1 = 0.0; |
| 22 | w->Fn1 = 0.0; | 22 | w->Fn1 = 0.0; |
| @@ -54,7 +54,7 @@ double tLockhartWavefolderLambert(double x, double ln) · 31 unmodified lines | |||
| 54 | return w; | 54 | return w; |
| 55 | } | 55 | } |
| 56 | 56 | ||
| 57 | float tLockhartWavefolderTick(tLockhartWavefolder* const w, float samp) | 57 | float tLockhartWavefolder_tick(tLockhartWavefolder* const w, float samp) |
| 58 | { | 58 | { |
| 59 | int l; | 59 | int l; |
| 60 | double u, Ln, Fn, xn; | 60 | double u, Ln, Fn, xn; |
| @@ -9,13 +9,13 @@ · 8 unmodified lines | |||
| 9 | */ | 9 | */ |
| 10 | 10 | ||
| 11 | #ifndef LEAF_H_INCLUDED | 11 | #ifndef LEAF_H_INCLUDED |
| 12 | #define LEAF_H_INCLUDED | 12 | #define LEAF_H_INCLUDED |
| 13 | 13 | ||
| 14 | #define LEAF_DEBUG 0 | 14 | #define LEAF_DEBUG 0 |
| 15 | 15 | ||
| 16 | #if LEAF_DEBUG | 16 | #if LEAF_DEBUG |
| 17 | #include "../LEAF_JUCEPlugin/JuceLibraryCode/JuceHeader.h" | 17 | #include "../LEAF_JUCEPlugin/JuceLibraryCode/JuceHeader.h" |
| 18 | #endif | 18 | #endif |
| 19 | 19 | ||
| 20 | #if _WIN32 || _WIN64 | 20 | #if _WIN32 || _WIN64 |
| 21 | 21 | ||
| @@ -25,14 +25,15 @@ · 3 unmodified lines | |||
| 25 | #include ".\Inc\leaf-delay.h" | 25 | #include ".\Inc\leaf-delay.h" |
| 26 | #include ".\Inc\leaf-filter.h" | 26 | #include ".\Inc\leaf-filter.h" |
| 27 | #include ".\Inc\leaf-oscillator.h" | 27 | #include ".\Inc\leaf-oscillator.h" |
| 28 | #include ".\Inc\leaf-oversampler.h" | ||
| 28 | #include ".\Inc\leaf-reverb.h" | 29 | #include ".\Inc\leaf-reverb.h" |
| 29 | #include ".\Inc\leaf-vocoder.h" | 30 | #include ".\Inc\leaf-vocoder.h" |
| 30 | #include ".\Inc\leaf-808.h" | 31 | #include ".\Inc\leaf-808.h" |
| 31 | #include ".\Inc\leaf-string.h" | 32 | #include ".\Inc\leaf-string.h" |
| 32 | #include ".\Inc\leaf-pitch.h" | 33 | #include ".\Inc\leaf-pitch.h" |
| 33 | #include ".\Inc\leaf-formant.h" | 34 | #include ".\Inc\leaf-formant.h" |
| 34 | #include ".\Inc\leaf-midi.h" | 35 | #include ".\Inc\leaf-midi.h" |
| 35 | #include ".\Inc\leaf-sample.h" | 36 | #include ".\Inc\leaf-sample.h" |
| 36 | #include ".\Inc\leaf-crusher.h" | 37 | #include ".\Inc\leaf-crusher.h" |
| 37 | #include ".\Inc\leaf-wavefolder.h" | 38 | #include ".\Inc\leaf-wavefolder.h" |
| 38 | #include ".\Inc\leaf-wavetables.h" | 39 | #include ".\Inc\leaf-wavetables.h" |
| @@ -46,31 +47,32 @@ · 7 unmodified lines | |||
| 46 | #include "./Inc/leaf-delay.h" | 47 | #include "./Inc/leaf-delay.h" |
| 47 | #include "./Inc/leaf-filter.h" | 48 | #include "./Inc/leaf-filter.h" |
| 48 | #include "./Inc/leaf-oscillator.h" | 49 | #include "./Inc/leaf-oscillator.h" |
| 50 | #include "./Inc/leaf-oversampler.h" | ||
| 49 | #include "./Inc/leaf-reverb.h" | 51 | #include "./Inc/leaf-reverb.h" |
| 50 | #include "./Inc/leaf-vocoder.h" | 52 | #include "./Inc/leaf-vocoder.h" |
| 51 | #include "./Inc/leaf-808.h" | 53 | #include "./Inc/leaf-808.h" |
| 52 | #include "./Inc/leaf-string.h" | 54 | #include "./Inc/leaf-string.h" |
| 53 | #include "./Inc/leaf-pitch.h" | 55 | #include "./Inc/leaf-pitch.h" |
| 54 | #include "./Inc/leaf-formant.h" | 56 | #include "./Inc/leaf-formant.h" |
| 55 | #include "./Inc/leaf-midi.h" | 57 | #include "./Inc/leaf-midi.h" |
| 56 | #include "./Inc/leaf-sample.h" | 58 | #include "./Inc/leaf-sample.h" |
| 57 | #include "./Inc/leaf-crusher.h" | 59 | #include "./Inc/leaf-crusher.h" |
| 58 | #include "./Inc/leaf-wavefolder.h" | 60 | #include "./Inc/leaf-wavefolder.h" |
| 59 | #include "./Inc/leaf-wavetables.h" | 61 | #include "./Inc/leaf-wavetables.h" |
| 60 | #include "./Inc/leaf-crusher.h" | 62 | #include "./Inc/leaf-crusher.h" |
| 61 | 63 | ||
| 62 | #endif | 64 | #endif |
| 63 | 65 | ||
| 64 | #ifdef __cplusplus | 66 | #ifdef __cplusplus |
| 65 | extern "C" { | 67 | extern "C" { |
| 66 | #endif | 68 | #endif |
| 67 | 69 | ||
| 68 | void LEAF_init (float sampleRate, int blocksize, float(*randomNumberFunction)(void)); | 70 | void LEAF_init (float sampleRate, int blocksize, float(*randomNumberFunction)(void)); |
| 69 | void LEAF_setSampleRate (float sampleRate); | 71 | void LEAF_setSampleRate (float sampleRate); |
| 70 | float LEAF_getSampleRate (void); | 72 | float LEAF_getSampleRate (void); |
| 71 | 73 | ||
| 72 | #ifdef __cplusplus | 74 | #ifdef __cplusplus |
| 73 | } | 75 | } |
| 74 | #endif | 76 | #endif |
| 75 | 77 | ||
| 76 | #endif // LEAF_H_INCLUDED | 78 | #endif // LEAF_H_INCLUDED |
| @@ -191,3 +191,4 @@ static void run_pool_test(void) · 190 unmodified lines | |||
| 191 | 191 | ||
| 192 | leaf_pool_dump(); | 192 | leaf_pool_dump(); |
| 193 | } | 193 | } |
| 194 | |||