2 |
* * |
* * |
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* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file loader library * |
4 |
* * |
* * |
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* Copyright (C) 2003 by Christian Schoenebeck * |
* Copyright (C) 2003-2005 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
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* * |
* * |
8 |
* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
9 |
* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
63 |
#define GIG_EG_CTR_ATTACK_INFLUENCE_EXTRACT(x) ((x >> 1) & 0x03) |
#define GIG_EG_CTR_ATTACK_INFLUENCE_EXTRACT(x) ((x >> 1) & 0x03) |
64 |
#define GIG_EG_CTR_DECAY_INFLUENCE_EXTRACT(x) ((x >> 3) & 0x03) |
#define GIG_EG_CTR_DECAY_INFLUENCE_EXTRACT(x) ((x >> 3) & 0x03) |
65 |
#define GIG_EG_CTR_RELEASE_INFLUENCE_EXTRACT(x) ((x >> 5) & 0x03) |
#define GIG_EG_CTR_RELEASE_INFLUENCE_EXTRACT(x) ((x >> 5) & 0x03) |
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//TODO: the transformation functions are not very accurate compared to the original ones |
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#define GIG_VELOCITY_TRANSFORM_NONLINEAR(x,dynamic,scale) ((1.0-1.0/pow(x,1.0/(129.0-x))) * (1.0+scale/20.0) + (5.0-dynamic)*pow(x/300.0* (1.0+2.0*scale/128.0),2)) |
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#define GIG_VELOCITY_TRANSFORM_LINEAR(x,dynamic,scale) ((1.0+scale*3.0/128.0)/110.0*x+(5.0-dynamic)/5.0+(5.0-dynamic)*scale) |
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#define GIG_VELOCITY_TRANSFORM_SPECIAL(x,dynamic,scale) ((1.0+9.0*scale/129.0)*(1.0-1.0/pow(x,1.0/(129.0-x))+pow(3.0*x/pow(129,2),2)+pow((5.0-dynamic)*x/500.0,2))) |
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67 |
/** Gigasampler specific classes and definitions */ |
/** Gigasampler specific classes and definitions */ |
68 |
namespace gig { |
namespace gig { |
80 |
void* pStart; ///< Points to the beginning of the buffer. |
void* pStart; ///< Points to the beginning of the buffer. |
81 |
unsigned long Size; ///< Size of the actual data in the buffer in bytes. |
unsigned long Size; ///< Size of the actual data in the buffer in bytes. |
82 |
unsigned long NullExtensionSize; ///< The buffer might be bigger than the actual data, if that's the case that unused space at the end of the buffer is filled with NULLs and NullExtensionSize reflects that unused buffer space in bytes. Those NULL extensions are mandatory for differential algorithms that have to take the following data words into account, thus have to access past the buffer's boundary. If you don't know what I'm talking about, just forget this variable. :) |
unsigned long NullExtensionSize; ///< The buffer might be bigger than the actual data, if that's the case that unused space at the end of the buffer is filled with NULLs and NullExtensionSize reflects that unused buffer space in bytes. Those NULL extensions are mandatory for differential algorithms that have to take the following data words into account, thus have to access past the buffer's boundary. If you don't know what I'm talking about, just forget this variable. :) |
83 |
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buffer_t() { |
84 |
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pStart = NULL; |
85 |
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Size = 0; |
86 |
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NullExtensionSize = 0; |
87 |
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} |
88 |
}; |
}; |
89 |
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90 |
/** Standard types of sample loops. */ |
/** Standard types of sample loops. */ |
169 |
vcf_res_ctrl_genpurpose6 = 3 ///< General Purpose Controller 6 (Button, MIDI Controller 81) |
vcf_res_ctrl_genpurpose6 = 3 ///< General Purpose Controller 6 (Button, MIDI Controller 81) |
170 |
} vcf_res_ctrl_t; |
} vcf_res_ctrl_t; |
171 |
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172 |
/** Defines how attenuation (=gain / VCA) is controlled by. */ |
/** |
173 |
typedef enum { |
* Defines a controller that has a certain contrained influence on a |
174 |
attenuation_ctrl_none = 0x00, |
* particular synthesis parameter (used to define attenuation controller, |
175 |
attenuation_ctrl_modwheel = 0x03, ///< Modulation Wheel (MIDI Controller 1) |
* EG1 controller and EG2 controller). |
176 |
attenuation_ctrl_breath = 0x05, ///< Breath Controller (Coarse, MIDI Controller 2) |
* |
177 |
attenuation_ctrl_foot = 0x07, ///< Foot Pedal (Coarse, MIDI Controller 4) |
* You should use the respective <i>typedef</i> (means either |
178 |
attenuation_ctrl_effect1 = 0x0d, ///< Effect Controller 1 (Coarse, MIDI Controller 12) |
* attenuation_ctrl_t, eg1_ctrl_t or eg2_ctrl_t) in your code! |
179 |
attenuation_ctrl_effect2 = 0x0f, ///< Effect Controller 2 (Coarse, MIDI Controller 13) |
*/ |
180 |
attenuation_ctrl_genpurpose1 = 0x11, ///< General Purpose Controller 1 (Slider, MIDI Controller 16) |
struct leverage_ctrl_t { |
181 |
attenuation_ctrl_genpurpose2 = 0x13, ///< General Purpose Controller 2 (Slider, MIDI Controller 17) |
typedef enum { |
182 |
attenuation_ctrl_genpurpose3 = 0x15, ///< General Purpose Controller 3 (Slider, MIDI Controller 18) |
type_none = 0x00, ///< No controller defined |
183 |
attenuation_ctrl_genpurpose4 = 0x17, ///< General Purpose Controller 4 (Slider, MIDI Controller 19) |
type_channelaftertouch = 0x2f, ///< Channel Key Pressure |
184 |
attenuation_ctrl_portamentotime = 0x0b, ///< Portamento Time (Coarse, MIDI Controller 5) |
type_velocity = 0xff, ///< Key Velocity |
185 |
attenuation_ctrl_sustainpedal = 0x01, ///< Sustain Pedal (MIDI Controller 64) |
type_controlchange = 0xfe ///< Ordinary MIDI control change controller, see field 'controller_number' |
186 |
attenuation_ctrl_portamento = 0x19, ///< Portamento (MIDI Controller 65) |
} type_t; |
187 |
attenuation_ctrl_sostenutopedal = 0x1b, ///< Sostenuto Pedal (MIDI Controller 66) |
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188 |
attenuation_ctrl_softpedal = 0x09, ///< Soft Pedal (MIDI Controller 67) |
type_t type; ///< Controller type |
189 |
attenuation_ctrl_genpurpose5 = 0x1d, ///< General Purpose Controller 5 (Button, MIDI Controller 80) |
uint controller_number; ///< MIDI controller number if this controller is a control change controller, 0 otherwise |
190 |
attenuation_ctrl_genpurpose6 = 0x1f, ///< General Purpose Controller 6 (Button, MIDI Controller 81) |
}; |
191 |
attenuation_ctrl_genpurpose7 = 0x21, ///< General Purpose Controller 7 (Button, MIDI Controller 82) |
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192 |
attenuation_ctrl_genpurpose8 = 0x23, ///< General Purpose Controller 8 (Button, MIDI Controller 83) |
/** |
193 |
attenuation_ctrl_effect1depth = 0x25, ///< Effect 1 Depth (MIDI Controller 91) |
* Defines controller influencing attenuation. |
194 |
attenuation_ctrl_effect2depth = 0x27, ///< Effect 2 Depth (MIDI Controller 92) |
* |
195 |
attenuation_ctrl_effect3depth = 0x29, ///< Effect 3 Depth (MIDI Controller 93) |
* @see leverage_ctrl_t |
196 |
attenuation_ctrl_effect4depth = 0x2b, ///< Effect 4 Depth (MIDI Controller 94) |
*/ |
197 |
attenuation_ctrl_effect5depth = 0x2d, ///< Effect 5 Depth (MIDI Controller 95) |
typedef leverage_ctrl_t attenuation_ctrl_t; |
198 |
attenuation_ctrl_channelaftertouch = 0x2f, ///< Channel Key Pressure |
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199 |
attenuation_ctrl_velocity = 0xff ///< Key Velocity |
/** |
200 |
} attenuation_ctrl_t, eg1_ctrl_t, eg2_ctrl_t; |
* Defines controller influencing envelope generator 1. |
201 |
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* |
202 |
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* @see leverage_ctrl_t |
203 |
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*/ |
204 |
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typedef leverage_ctrl_t eg1_ctrl_t; |
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/** |
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* Defines controller influencing envelope generator 2. |
208 |
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* |
209 |
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* @see leverage_ctrl_t |
210 |
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*/ |
211 |
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typedef leverage_ctrl_t eg2_ctrl_t; |
212 |
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213 |
/** |
/** |
214 |
* Defines the type of dimension, that is how the dimension zones (and |
* Defines the type of dimension, that is how the dimension zones (and |
224 |
dimension_velocity = 0x82, ///< Key Velocity (this is the only dimension where the ranges can exactly be defined). |
dimension_velocity = 0x82, ///< Key Velocity (this is the only dimension where the ranges can exactly be defined). |
225 |
dimension_channelaftertouch = 0x83, ///< Channel Key Pressure |
dimension_channelaftertouch = 0x83, ///< Channel Key Pressure |
226 |
dimension_releasetrigger = 0x84, ///< Special dimension for triggering samples on releasing a key. |
dimension_releasetrigger = 0x84, ///< Special dimension for triggering samples on releasing a key. |
227 |
dimension_keyboard = 0x85, ///< Key Position |
dimension_keyboard = 0x85, ///< Dimension for keyswitching |
228 |
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dimension_roundrobin = 0x86, ///< Different samples triggered each time a note is played, dimension regions selected in sequence |
229 |
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dimension_random = 0x87, ///< Different samples triggered each time a note is played, random order |
230 |
dimension_modwheel = 0x01, ///< Modulation Wheel (MIDI Controller 1) |
dimension_modwheel = 0x01, ///< Modulation Wheel (MIDI Controller 1) |
231 |
dimension_breath = 0x02, ///< Breath Controller (Coarse, MIDI Controller 2) |
dimension_breath = 0x02, ///< Breath Controller (Coarse, MIDI Controller 2) |
232 |
dimension_foot = 0x04, ///< Foot Pedal (Coarse, MIDI Controller 4) |
dimension_foot = 0x04, ///< Foot Pedal (Coarse, MIDI Controller 4) |
281 |
vcf_type_bandreject = 0x03 |
vcf_type_bandreject = 0x03 |
282 |
} vcf_type_t; |
} vcf_type_t; |
283 |
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284 |
/** Defines the envelope of a crossfade. */ |
/** |
285 |
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* Defines the envelope of a crossfade. |
286 |
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* |
287 |
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* Note: The default value for crossfade points is 0,0,0,0. Layers with |
288 |
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* such a default value should be treated as if they would not have a |
289 |
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* crossfade. |
290 |
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*/ |
291 |
struct crossfade_t { |
struct crossfade_t { |
292 |
#if WORDS_BIGENDIAN |
#if WORDS_BIGENDIAN |
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uint8_t in_start; ///< Start position of fade in. |
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uint8_t in_end; ///< End position of fade in. |
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uint8_t out_start; ///< Start position of fade out. |
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uint8_t out_end; ///< End postition of fade out. |
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#else // little endian |
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293 |
uint8_t out_end; ///< End postition of fade out. |
uint8_t out_end; ///< End postition of fade out. |
294 |
uint8_t out_start; ///< Start position of fade out. |
uint8_t out_start; ///< Start position of fade out. |
295 |
uint8_t in_end; ///< End position of fade in. |
uint8_t in_end; ///< End position of fade in. |
296 |
uint8_t in_start; ///< Start position of fade in. |
uint8_t in_start; ///< Start position of fade in. |
297 |
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#else // little endian |
298 |
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uint8_t in_start; ///< Start position of fade in. |
299 |
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uint8_t in_end; ///< End position of fade in. |
300 |
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uint8_t out_start; ///< Start position of fade out. |
301 |
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uint8_t out_end; ///< End postition of fade out. |
302 |
#endif // WORDS_BIGENDIAN |
#endif // WORDS_BIGENDIAN |
303 |
}; |
}; |
304 |
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305 |
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/** Reflects the current playback state for a sample. */ |
306 |
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struct playback_state_t { |
307 |
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unsigned long position; ///< Current position within the sample. |
308 |
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bool reverse; ///< If playback direction is currently backwards (in case there is a pingpong or reverse loop defined). |
309 |
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unsigned long loop_cycles_left; ///< How many times the loop has still to be passed, this value will be decremented with each loop cycle. |
310 |
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}; |
311 |
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312 |
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/** |
313 |
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* @brief Used for indicating the progress of a certain task. |
314 |
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* |
315 |
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* The function pointer argument has to be supplied with a valid |
316 |
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* function of the given signature which will then be called on |
317 |
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* progress changes. An equivalent progress_t structure will be passed |
318 |
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* back as argument to the callback function on each progress change. |
319 |
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* The factor field of the supplied progress_t structure will then |
320 |
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* reflect the current progress as value between 0.0 and 1.0. You might |
321 |
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* want to use the custom field for data needed in your callback |
322 |
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* function. |
323 |
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*/ |
324 |
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struct progress_t { |
325 |
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void (*callback)(progress_t*); ///< Callback function pointer which has to be assigned to a function for progress notification. |
326 |
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float factor; ///< Reflects current progress as value between 0.0 and 1.0. |
327 |
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void* custom; ///< This pointer can be used for arbitrary data. |
328 |
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float __range_min; ///< Only for internal usage, do not modify! |
329 |
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float __range_max; ///< Only for internal usage, do not modify! |
330 |
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progress_t(); |
331 |
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}; |
332 |
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333 |
// just symbol prototyping |
// just symbol prototyping |
334 |
class File; |
class File; |
335 |
class Instrument; |
class Instrument; |
336 |
class Sample; |
class Sample; |
337 |
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class Region; |
338 |
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339 |
/** Encapsulates articulation information of a dimension region. |
/** Encapsulates articulation information of a dimension region. |
340 |
* |
* |
363 |
bool EG1Hold; ///< If <i>true</i>, Decay1 stage should be postponed until the sample reached the sample loop start. |
bool EG1Hold; ///< If <i>true</i>, Decay1 stage should be postponed until the sample reached the sample loop start. |
364 |
eg1_ctrl_t EG1Controller; ///< MIDI Controller which has influence on sample amplitude EG parameters (attack, decay, release). |
eg1_ctrl_t EG1Controller; ///< MIDI Controller which has influence on sample amplitude EG parameters (attack, decay, release). |
365 |
bool EG1ControllerInvert; ///< Invert values coming from defined EG1 controller. |
bool EG1ControllerInvert; ///< Invert values coming from defined EG1 controller. |
366 |
uint8_t EG1ControllerAttackInfluence; ///< Amount EG1 Controller has influence on the EG1 Attack time. |
uint8_t EG1ControllerAttackInfluence; ///< Amount EG1 Controller has influence on the EG1 Attack time (0 - 3, where 0 means off). |
367 |
uint8_t EG1ControllerDecayInfluence; ///< Amount EG1 Controller has influence on the EG1 Decay time. |
uint8_t EG1ControllerDecayInfluence; ///< Amount EG1 Controller has influence on the EG1 Decay time (0 - 3, where 0 means off). |
368 |
uint8_t EG1ControllerReleaseInfluence; ///< Amount EG1 Controller has influence on the EG1 Release time. |
uint8_t EG1ControllerReleaseInfluence; ///< Amount EG1 Controller has influence on the EG1 Release time (0 - 3, where 0 means off). |
369 |
double LFO1Frequency; ///< Frequency of the sample amplitude LFO (0.10 - 10.00 Hz). |
double LFO1Frequency; ///< Frequency of the sample amplitude LFO (0.10 - 10.00 Hz). |
370 |
uint16_t LFO1InternalDepth; ///< Firm pitch of the sample amplitude LFO (0 - 1200 cents). |
uint16_t LFO1InternalDepth; ///< Firm pitch of the sample amplitude LFO (0 - 1200 cents). |
371 |
uint16_t LFO1ControlDepth; ///< Controller depth influencing sample amplitude LFO pitch (0 - 1200 cents). |
uint16_t LFO1ControlDepth; ///< Controller depth influencing sample amplitude LFO pitch (0 - 1200 cents). |
382 |
double EG2Release; ///< Release time of the filter cutoff EG (0.000 - 60.000s). |
double EG2Release; ///< Release time of the filter cutoff EG (0.000 - 60.000s). |
383 |
eg2_ctrl_t EG2Controller; ///< MIDI Controller which has influence on filter cutoff EG parameters (attack, decay, release). |
eg2_ctrl_t EG2Controller; ///< MIDI Controller which has influence on filter cutoff EG parameters (attack, decay, release). |
384 |
bool EG2ControllerInvert; ///< Invert values coming from defined EG2 controller. |
bool EG2ControllerInvert; ///< Invert values coming from defined EG2 controller. |
385 |
uint8_t EG2ControllerAttackInfluence; ///< Amount EG2 Controller has influence on the EG2 Attack time. |
uint8_t EG2ControllerAttackInfluence; ///< Amount EG2 Controller has influence on the EG2 Attack time (0 - 3, where 0 means off). |
386 |
uint8_t EG2ControllerDecayInfluence; ///< Amount EG2 Controller has influence on the EG2 Decay time. |
uint8_t EG2ControllerDecayInfluence; ///< Amount EG2 Controller has influence on the EG2 Decay time (0 - 3, where 0 means off). |
387 |
uint8_t EG2ControllerReleaseInfluence; ///< Amount EG2 Controller has influence on the EG2 Release time. |
uint8_t EG2ControllerReleaseInfluence; ///< Amount EG2 Controller has influence on the EG2 Release time (0 - 3, where 0 means off). |
388 |
double LFO2Frequency; ///< Frequency of the filter cutoff LFO (0.10 - 10.00 Hz). |
double LFO2Frequency; ///< Frequency of the filter cutoff LFO (0.10 - 10.00 Hz). |
389 |
uint16_t LFO2InternalDepth; ///< Firm pitch of the filter cutoff LFO (0 - 1200 cents). |
uint16_t LFO2InternalDepth; ///< Firm pitch of the filter cutoff LFO (0 - 1200 cents). |
390 |
uint16_t LFO2ControlDepth; ///< Controller depth influencing filter cutoff LFO pitch (0 - 1200). |
uint16_t LFO2ControlDepth; ///< Controller depth influencing filter cutoff LFO pitch (0 - 1200). |
413 |
bool VCFKeyboardTracking; ///< If <i>true</i>: VCF cutoff frequence will be dependend to the note key position relative to the defined breakpoint value. |
bool VCFKeyboardTracking; ///< If <i>true</i>: VCF cutoff frequence will be dependend to the note key position relative to the defined breakpoint value. |
414 |
uint8_t VCFKeyboardTrackingBreakpoint; ///< See VCFKeyboardTracking (0 - 127). |
uint8_t VCFKeyboardTrackingBreakpoint; ///< See VCFKeyboardTracking (0 - 127). |
415 |
// Key Velocity Transformations |
// Key Velocity Transformations |
416 |
curve_type_t VelocityResponseCurve; ///< Defines a transformation curve to the incoming velocity values affecting amplitude. |
curve_type_t VelocityResponseCurve; ///< Defines a transformation curve to the incoming velocity values affecting amplitude (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). |
417 |
uint8_t VelocityResponseDepth; ///< Dynamic range of velocity affecting amplitude (0 - 4). |
uint8_t VelocityResponseDepth; ///< Dynamic range of velocity affecting amplitude (0 - 4) (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). |
418 |
uint8_t VelocityResponseCurveScaling; ///< 0 - 127 |
uint8_t VelocityResponseCurveScaling; ///< 0 - 127 (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead) |
419 |
curve_type_t ReleaseVelocityResponseCurve; ///< Defines a transformation curve to the incoming release veloctiy values affecting envelope times. |
curve_type_t ReleaseVelocityResponseCurve; ///< Defines a transformation curve to the incoming release veloctiy values affecting envelope times. |
420 |
uint8_t ReleaseVelocityResponseDepth; ///< Dynamic range of release velocity affecting envelope time (0 - 4). |
uint8_t ReleaseVelocityResponseDepth; ///< Dynamic range of release velocity affecting envelope time (0 - 4). |
421 |
uint8_t ReleaseTriggerDecay; ///< 0 - 8 |
uint8_t ReleaseTriggerDecay; ///< 0 - 8 |
425 |
dim_bypass_ctrl_t DimensionBypass; ///< If defined, the MIDI controller can switch on/off the dimension in realtime. |
dim_bypass_ctrl_t DimensionBypass; ///< If defined, the MIDI controller can switch on/off the dimension in realtime. |
426 |
int8_t Pan; ///< Panorama / Balance (-64..0..63 <-> left..middle..right) |
int8_t Pan; ///< Panorama / Balance (-64..0..63 <-> left..middle..right) |
427 |
bool SelfMask; ///< If <i>true</i>: high velocity notes will stop low velocity notes at the same note, with that you can save voices that wouldn't be audible anyway. |
bool SelfMask; ///< If <i>true</i>: high velocity notes will stop low velocity notes at the same note, with that you can save voices that wouldn't be audible anyway. |
428 |
attenuation_ctrl_t AttenuationControl; ///< MIDI Controller which has influence on the volume level of the sample (or entire sample group). |
attenuation_ctrl_t AttenuationController; ///< MIDI Controller which has influence on the volume level of the sample (or entire sample group). |
429 |
bool InvertAttenuationControl; ///< Inverts the values coming from the defined Attenuation Controller. |
bool InvertAttenuationController; ///< Inverts the values coming from the defined Attenuation Controller. |
430 |
uint8_t AttenuationControlTreshold; ///< 0-127 |
uint8_t AttenuationControllerThreshold;///< 0-127 |
431 |
uint8_t ChannelOffset; ///< Audio output where the audio signal of the dimension region should be routed to (0 - 9). |
uint8_t ChannelOffset; ///< Audio output where the audio signal of the dimension region should be routed to (0 - 9). |
432 |
bool SustainDefeat; ///< If <i>true</i>: Sustain pedal will not hold a note. |
bool SustainDefeat; ///< If <i>true</i>: Sustain pedal will not hold a note. |
433 |
bool MSDecode; ///< Gigastudio flag: defines if Mid Side Recordings should be decoded. |
bool MSDecode; ///< Gigastudio flag: defines if Mid Side Recordings should be decoded. |
434 |
uint16_t SampleStartOffset; ///< Number of samples the sample start should be moved (0 - 2000). |
uint16_t SampleStartOffset; ///< Number of samples the sample start should be moved (0 - 2000). |
435 |
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double SampleAttenuation; ///< Sample volume (calculated from DLS::Sampler::Gain) |
436 |
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437 |
// derived attributes from DLS::Sampler |
// derived attributes from DLS::Sampler |
438 |
DLS::Sampler::UnityNote; |
DLS::Sampler::UnityNote; |
439 |
DLS::Sampler::FineTune; |
DLS::Sampler::FineTune; |
443 |
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444 |
// Methods |
// Methods |
445 |
double GetVelocityAttenuation(uint8_t MIDIKeyVelocity); |
double GetVelocityAttenuation(uint8_t MIDIKeyVelocity); |
446 |
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double GetVelocityRelease(uint8_t MIDIKeyVelocity); |
447 |
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448 |
protected: |
protected: |
449 |
DimensionRegion(RIFF::List* _3ewl); |
DimensionRegion(RIFF::List* _3ewl); |
450 |
~DimensionRegion(); |
~DimensionRegion(); |
451 |
friend class Region; |
friend class Region; |
452 |
private: |
private: |
453 |
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typedef enum { ///< Used to decode attenuation, EG1 and EG2 controller |
454 |
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_lev_ctrl_none = 0x00, |
455 |
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_lev_ctrl_modwheel = 0x03, ///< Modulation Wheel (MIDI Controller 1) |
456 |
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_lev_ctrl_breath = 0x05, ///< Breath Controller (Coarse, MIDI Controller 2) |
457 |
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_lev_ctrl_foot = 0x07, ///< Foot Pedal (Coarse, MIDI Controller 4) |
458 |
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_lev_ctrl_effect1 = 0x0d, ///< Effect Controller 1 (Coarse, MIDI Controller 12) |
459 |
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_lev_ctrl_effect2 = 0x0f, ///< Effect Controller 2 (Coarse, MIDI Controller 13) |
460 |
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_lev_ctrl_genpurpose1 = 0x11, ///< General Purpose Controller 1 (Slider, MIDI Controller 16) |
461 |
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_lev_ctrl_genpurpose2 = 0x13, ///< General Purpose Controller 2 (Slider, MIDI Controller 17) |
462 |
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_lev_ctrl_genpurpose3 = 0x15, ///< General Purpose Controller 3 (Slider, MIDI Controller 18) |
463 |
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_lev_ctrl_genpurpose4 = 0x17, ///< General Purpose Controller 4 (Slider, MIDI Controller 19) |
464 |
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_lev_ctrl_portamentotime = 0x0b, ///< Portamento Time (Coarse, MIDI Controller 5) |
465 |
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_lev_ctrl_sustainpedal = 0x01, ///< Sustain Pedal (MIDI Controller 64) |
466 |
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_lev_ctrl_portamento = 0x19, ///< Portamento (MIDI Controller 65) |
467 |
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_lev_ctrl_sostenutopedal = 0x1b, ///< Sostenuto Pedal (MIDI Controller 66) |
468 |
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_lev_ctrl_softpedal = 0x09, ///< Soft Pedal (MIDI Controller 67) |
469 |
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_lev_ctrl_genpurpose5 = 0x1d, ///< General Purpose Controller 5 (Button, MIDI Controller 80) |
470 |
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_lev_ctrl_genpurpose6 = 0x1f, ///< General Purpose Controller 6 (Button, MIDI Controller 81) |
471 |
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_lev_ctrl_genpurpose7 = 0x21, ///< General Purpose Controller 7 (Button, MIDI Controller 82) |
472 |
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_lev_ctrl_genpurpose8 = 0x23, ///< General Purpose Controller 8 (Button, MIDI Controller 83) |
473 |
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_lev_ctrl_effect1depth = 0x25, ///< Effect 1 Depth (MIDI Controller 91) |
474 |
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_lev_ctrl_effect2depth = 0x27, ///< Effect 2 Depth (MIDI Controller 92) |
475 |
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_lev_ctrl_effect3depth = 0x29, ///< Effect 3 Depth (MIDI Controller 93) |
476 |
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_lev_ctrl_effect4depth = 0x2b, ///< Effect 4 Depth (MIDI Controller 94) |
477 |
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_lev_ctrl_effect5depth = 0x2d, ///< Effect 5 Depth (MIDI Controller 95) |
478 |
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_lev_ctrl_channelaftertouch = 0x2f, ///< Channel Key Pressure |
479 |
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_lev_ctrl_velocity = 0xff ///< Key Velocity |
480 |
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} _lev_ctrl_t; |
481 |
typedef std::map<uint32_t, double*> VelocityTableMap; |
typedef std::map<uint32_t, double*> VelocityTableMap; |
482 |
|
|
483 |
static uint Instances; ///< Number of DimensionRegion instances. |
static uint Instances; ///< Number of DimensionRegion instances. |
484 |
static VelocityTableMap* pVelocityTables; ///< Contains the tables corresponding to the various velocity parameters (VelocityResponseCurve and VelocityResponseDepth). |
static VelocityTableMap* pVelocityTables; ///< Contains the tables corresponding to the various velocity parameters (VelocityResponseCurve and VelocityResponseDepth). |
485 |
double* pVelocityAttenuationTable; ///< Points to the velocity table corresponding to the velocity parameters of this DimensionRegion. |
double* pVelocityAttenuationTable; ///< Points to the velocity table corresponding to the velocity parameters of this DimensionRegion. |
486 |
|
double* pVelocityReleaseTable; ///< Points to the velocity table corresponding to the release velocity parameters of this DimensionRegion |
487 |
|
|
488 |
|
leverage_ctrl_t DecodeLeverageController(_lev_ctrl_t EncodedController); |
489 |
|
double* GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling); |
490 |
|
double* CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling); |
491 |
}; |
}; |
492 |
|
|
493 |
/** Encapsulates sample waves used for playback. */ |
/** Encapsulates sample waves used for playback. */ |
498 |
uint32_t Product; ///< Specifies the MIDI model ID defined by the manufacturer corresponding to the Manufacturer field. If no particular manufacturer's product is to be specified, a value of 0 should be used. |
uint32_t Product; ///< Specifies the MIDI model ID defined by the manufacturer corresponding to the Manufacturer field. If no particular manufacturer's product is to be specified, a value of 0 should be used. |
499 |
uint32_t SamplePeriod; ///< Specifies the duration of time that passes during the playback of one sample in nanoseconds (normally equal to 1 / Samplers Per Second, where Samples Per Second is the value found in the format chunk). |
uint32_t SamplePeriod; ///< Specifies the duration of time that passes during the playback of one sample in nanoseconds (normally equal to 1 / Samplers Per Second, where Samples Per Second is the value found in the format chunk). |
500 |
uint32_t MIDIUnityNote; ///< Specifies the musical note at which the sample will be played at it's original sample rate. |
uint32_t MIDIUnityNote; ///< Specifies the musical note at which the sample will be played at it's original sample rate. |
501 |
uint32_t MIDIPitchFraction; ///< Specifies the fraction of a semitone up from the specified MIDI unity note field. A value of 0x80000000 means 1/2 semitone (50 cents) and a value of 0x00000000 means no fine tuning between semitones. |
uint32_t FineTune; ///< Specifies the fraction of a semitone up from the specified MIDI unity note field. A value of 0x80000000 means 1/2 semitone (50 cents) and a value of 0x00000000 means no fine tuning between semitones. |
502 |
smpte_format_t SMPTEFormat; ///< Specifies the Society of Motion Pictures and Television E time format used in the following <i>SMPTEOffset</i> field. If a value of 0 is set, <i>SMPTEOffset</i> should also be set to 0. |
smpte_format_t SMPTEFormat; ///< Specifies the Society of Motion Pictures and Television E time format used in the following <i>SMPTEOffset</i> field. If a value of 0 is set, <i>SMPTEOffset</i> should also be set to 0. |
503 |
uint32_t SMPTEOffset; ///< The SMPTE Offset value specifies the time offset to be used for the synchronization / calibration to the first sample in the waveform. This value uses a format of 0xhhmmssff where hh is a signed value that specifies the number of hours (-23 to 23), mm is an unsigned value that specifies the number of minutes (0 to 59), ss is an unsigned value that specifies the number of seconds (0 to 59) and ff is an unsigned value that specifies the number of frames (0 to -1). |
uint32_t SMPTEOffset; ///< The SMPTE Offset value specifies the time offset to be used for the synchronization / calibration to the first sample in the waveform. This value uses a format of 0xhhmmssff where hh is a signed value that specifies the number of hours (-23 to 23), mm is an unsigned value that specifies the number of minutes (0 to 59), ss is an unsigned value that specifies the number of seconds (0 to 59) and ff is an unsigned value that specifies the number of frames (0 to -1). |
504 |
uint32_t Loops; ///< Number of defined sample loops (so far only seen single loops in gig files - please report me if you encounter more!). |
uint32_t Loops; ///< Number of defined sample loops (so far only seen single loops in gig files - please report me if you encounter more!). |
505 |
uint32_t LoopID; ///< Specifies the unique ID that corresponds to one of the defined cue points in the cue point list (only if Loops > 0). |
uint32_t LoopID; ///< Specifies the unique ID that corresponds to one of the defined cue points in the cue point list (only if Loops > 0), as the Gigasampler format only allows one loop definition at the moment, this attribute isn't really useful for anything. |
506 |
loop_type_t LoopType; ///< The type field defines how the waveform samples will be looped (only if Loops > 0). |
loop_type_t LoopType; ///< The type field defines how the waveform samples will be looped (only if Loops > 0). |
507 |
uint32_t LoopStart; ///< The start value specifies the byte offset into the waveform data of the first sample to be played in the loop (only if Loops > 0). |
uint32_t LoopStart; ///< The start value specifies the offset (in sample points) in the waveform data of the first sample to be played in the loop (only if Loops > 0). |
508 |
uint32_t LoopEnd; ///< The end value specifies the byte offset into the waveform data of the last sample to be played in the loop (only if Loops > 0). |
uint32_t LoopEnd; ///< The end value specifies the offset (in sample points) in the waveform data which represents the end of the loop (only if Loops > 0). |
509 |
|
uint32_t LoopSize; ///< Length of the looping area (in sample points) which is equivalent to <i>LoopEnd - LoopStart</i>. |
510 |
uint32_t LoopFraction; ///< The fractional value specifies a fraction of a sample at which to loop (only if Loops > 0). This allows a loop to be fine tuned at a resolution greater than one sample. A value of 0 means no fraction, a value of 0x80000000 means 1/2 of a sample length. 0xFFFFFFFF is the smallest fraction of a sample that can be represented. |
uint32_t LoopFraction; ///< The fractional value specifies a fraction of a sample at which to loop (only if Loops > 0). This allows a loop to be fine tuned at a resolution greater than one sample. A value of 0 means no fraction, a value of 0x80000000 means 1/2 of a sample length. 0xFFFFFFFF is the smallest fraction of a sample that can be represented. |
511 |
uint32_t LoopPlayCount; ///< Number of times the loop should be played (only if Loops > 0, a value of 0 = infinite). |
uint32_t LoopPlayCount; ///< Number of times the loop should be played (only if Loops > 0, a value of 0 = infinite). |
512 |
bool Compressed; ///< If the sample wave is compressed (probably just interesting for instrument and sample editors, as this library already handles the decompression in it's sample access methods anyway). |
bool Compressed; ///< If the sample wave is compressed (probably just interesting for instrument and sample editors, as this library already handles the decompression in it's sample access methods anyway). |
513 |
|
uint32_t TruncatedBits; ///< For 24-bit compressed samples only: number of bits truncated during compression (0, 4 or 6) |
514 |
|
bool Dithered; ///< For 24-bit compressed samples only: if dithering was used during compression with bit reduction |
515 |
|
|
516 |
// own methods |
// own methods |
517 |
buffer_t LoadSampleData(); |
buffer_t LoadSampleData(); |
519 |
buffer_t LoadSampleDataWithNullSamplesExtension(uint NullSamplesCount); |
buffer_t LoadSampleDataWithNullSamplesExtension(uint NullSamplesCount); |
520 |
buffer_t LoadSampleDataWithNullSamplesExtension(unsigned long SampleCount, uint NullSamplesCount); |
buffer_t LoadSampleDataWithNullSamplesExtension(unsigned long SampleCount, uint NullSamplesCount); |
521 |
buffer_t GetCache(); |
buffer_t GetCache(); |
522 |
|
// own static methods |
523 |
|
static buffer_t CreateDecompressionBuffer(unsigned long MaxReadSize); |
524 |
|
static void DestroyDecompressionBuffer(buffer_t& DecompressionBuffer); |
525 |
// overridden methods |
// overridden methods |
526 |
void ReleaseSampleData(); |
void ReleaseSampleData(); |
527 |
unsigned long SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start); |
unsigned long SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start); |
528 |
unsigned long GetPos(); |
unsigned long GetPos(); |
529 |
unsigned long Read(void* pBuffer, unsigned long SampleCount); |
unsigned long Read(void* pBuffer, unsigned long SampleCount, buffer_t* pExternalDecompressionBuffer = NULL); |
530 |
|
unsigned long ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, buffer_t* pExternalDecompressionBuffer = NULL); |
531 |
protected: |
protected: |
532 |
static unsigned int Instances; ///< Number of instances of class Sample. |
static unsigned int Instances; ///< Number of instances of class Sample. |
533 |
static unsigned long DecompressionBufferSize; ///< Current size of the decompression buffer. |
static buffer_t InternalDecompressionBuffer; ///< Buffer used for decompression as well as for truncation of 24 Bit -> 16 Bit samples. |
|
static void* pDecompressionBuffer; ///< Small buffer used for decompression only. |
|
534 |
unsigned long FrameOffset; ///< Current offset (sample points) in current sample frame (for decompression only). |
unsigned long FrameOffset; ///< Current offset (sample points) in current sample frame (for decompression only). |
535 |
unsigned long* FrameTable; ///< For positioning within compressed samples only: stores the offset values for each frame. |
unsigned long* FrameTable; ///< For positioning within compressed samples only: stores the offset values for each frame. |
536 |
unsigned long SamplePos; ///< For compressed samples only: stores the current position (in sample points). |
unsigned long SamplePos; ///< For compressed samples only: stores the current position (in sample points). |
537 |
|
unsigned long SamplesInLastFrame; ///< For compressed samples only: length of the last sample frame. |
538 |
|
unsigned long WorstCaseFrameSize; ///< For compressed samples only: size (in bytes) of the largest possible sample frame. |
539 |
|
unsigned long SamplesPerFrame; ///< For compressed samples only: number of samples in a full sample frame. |
540 |
buffer_t RAMCache; ///< Buffers samples (already uncompressed) in RAM. |
buffer_t RAMCache; ///< Buffers samples (already uncompressed) in RAM. |
541 |
|
unsigned long FileNo; ///< File number (> 0 when sample is stored in an extension file, 0 when it's in the gig) |
542 |
|
|
543 |
Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset); |
Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo = 0); |
544 |
~Sample(); |
~Sample(); |
545 |
|
/** |
546 |
|
* Swaps the order of the data words in the given memory area |
547 |
|
* with a granularity given by \a WordSize. |
548 |
|
* |
549 |
|
* @param pData - pointer to the memory area to be swapped |
550 |
|
* @param AreaSize - size of the memory area to be swapped (in bytes) |
551 |
|
* @param WordSize - size of the data words (in bytes) |
552 |
|
*/ |
553 |
|
inline void SwapMemoryArea(void* pData, unsigned long AreaSize, uint WordSize) { |
554 |
|
switch (WordSize) { // TODO: unefficient |
555 |
|
case 1: { |
556 |
|
uint8_t* pDst = (uint8_t*) pData; |
557 |
|
uint8_t cache; |
558 |
|
unsigned long lo = 0, hi = AreaSize - 1; |
559 |
|
for (; lo < hi; hi--, lo++) { |
560 |
|
cache = pDst[lo]; |
561 |
|
pDst[lo] = pDst[hi]; |
562 |
|
pDst[hi] = cache; |
563 |
|
} |
564 |
|
break; |
565 |
|
} |
566 |
|
case 2: { |
567 |
|
uint16_t* pDst = (uint16_t*) pData; |
568 |
|
uint16_t cache; |
569 |
|
unsigned long lo = 0, hi = (AreaSize >> 1) - 1; |
570 |
|
for (; lo < hi; hi--, lo++) { |
571 |
|
cache = pDst[lo]; |
572 |
|
pDst[lo] = pDst[hi]; |
573 |
|
pDst[hi] = cache; |
574 |
|
} |
575 |
|
break; |
576 |
|
} |
577 |
|
case 4: { |
578 |
|
uint32_t* pDst = (uint32_t*) pData; |
579 |
|
uint32_t cache; |
580 |
|
unsigned long lo = 0, hi = (AreaSize >> 2) - 1; |
581 |
|
for (; lo < hi; hi--, lo++) { |
582 |
|
cache = pDst[lo]; |
583 |
|
pDst[lo] = pDst[hi]; |
584 |
|
pDst[hi] = cache; |
585 |
|
} |
586 |
|
break; |
587 |
|
} |
588 |
|
default: { |
589 |
|
uint8_t* pCache = new uint8_t[WordSize]; // TODO: unefficient |
590 |
|
unsigned long lo = 0, hi = AreaSize - WordSize; |
591 |
|
for (; lo < hi; hi -= WordSize, lo += WordSize) { |
592 |
|
memcpy(pCache, (uint8_t*) pData + lo, WordSize); |
593 |
|
memcpy((uint8_t*) pData + lo, (uint8_t*) pData + hi, WordSize); |
594 |
|
memcpy((uint8_t*) pData + hi, pCache, WordSize); |
595 |
|
} |
596 |
|
delete[] pCache; |
597 |
|
break; |
598 |
|
} |
599 |
|
} |
600 |
|
} |
601 |
|
inline long Min(long A, long B) { |
602 |
|
return (A > B) ? B : A; |
603 |
|
} |
604 |
|
inline long Abs(long val) { return (val > 0) ? val : -val; } |
605 |
|
|
606 |
|
// Guess size (in bytes) of a compressed sample |
607 |
|
inline unsigned long GuessSize(unsigned long samples) { |
608 |
|
// 16 bit: assume all frames are compressed - 1 byte |
609 |
|
// per sample and 5 bytes header per 2048 samples |
610 |
|
|
611 |
|
// 24 bit: assume next best compression rate - 1.5 |
612 |
|
// bytes per sample and 13 bytes header per 256 |
613 |
|
// samples |
614 |
|
const unsigned long size = |
615 |
|
BitDepth == 24 ? samples + (samples >> 1) + (samples >> 8) * 13 |
616 |
|
: samples + (samples >> 10) * 5; |
617 |
|
// Double for stereo and add one worst case sample |
618 |
|
// frame |
619 |
|
return (Channels == 2 ? size << 1 : size) + WorstCaseFrameSize; |
620 |
|
} |
621 |
|
|
622 |
|
// Worst case amount of sample points that can be read with the |
623 |
|
// given decompression buffer. |
624 |
|
inline unsigned long WorstCaseMaxSamples(buffer_t* pDecompressionBuffer) { |
625 |
|
return (unsigned long) ((float)pDecompressionBuffer->Size / (float)WorstCaseFrameSize * (float)SamplesPerFrame); |
626 |
|
} |
627 |
private: |
private: |
628 |
void ScanCompressedSample(); |
void ScanCompressedSample(); |
629 |
friend class File; |
friend class File; |
635 |
class Region : public DLS::Region { |
class Region : public DLS::Region { |
636 |
public: |
public: |
637 |
unsigned int Dimensions; ///< Number of defined dimensions. |
unsigned int Dimensions; ///< Number of defined dimensions. |
638 |
dimension_def_t pDimensionDefinitions[5]; ///< Defines the five possible dimensions (the dimension's controller and number of bits/splits). |
dimension_def_t pDimensionDefinitions[8]; ///< Defines the five (gig2) or eight (gig3) possible dimensions (the dimension's controller and number of bits/splits). |
639 |
uint32_t DimensionRegions; ///< Total number of DimensionRegions this Region contains. |
uint32_t DimensionRegions; ///< Total number of DimensionRegions this Region contains. |
640 |
DimensionRegion* pDimensionRegions[32]; ///< Pointer array to the 32 possible dimension regions (reflects NULL for dimension regions not in use). Avoid to access the array directly and better use GetDimensionRegionByValue() instead, but of course in some cases it makes sense to use the array (e.g. iterating through all DimensionRegions). |
DimensionRegion* pDimensionRegions[256]; ///< Pointer array to the 32 (gig2) or 256 (gig3) possible dimension regions (reflects NULL for dimension regions not in use). Avoid to access the array directly and better use GetDimensionRegionByValue() instead, but of course in some cases it makes sense to use the array (e.g. iterating through all DimensionRegions). |
641 |
|
unsigned int Layers; ///< Amount of defined layers (1 - 32). A value of 1 actually means no layering, a value > 1 means there is Layer dimension. The same information can of course also be obtained by accessing pDimensionDefinitions. |
642 |
|
|
643 |
DimensionRegion* GetDimensionRegionByValue(uint Dim4Val, uint Dim3Val, uint Dim2Val, uint Dim1Val, uint Dim0Val); |
DimensionRegion* GetDimensionRegionByValue(const uint DimValues[8]); |
644 |
DimensionRegion* GetDimensionRegionByBit(uint8_t Dim4Bit, uint8_t Dim3Bit, uint8_t Dim2Bit, uint8_t Dim1Bit, uint8_t Dim0Bit); |
DimensionRegion* GetDimensionRegionByBit(const uint8_t DimBits[8]); |
645 |
Sample* GetSample(); |
Sample* GetSample(); |
646 |
protected: |
protected: |
647 |
uint8_t VelocityTable[128]; ///< For velocity dimensions with custom defined zone ranges only: used for fast converting from velocity MIDI value to dimension bit number. |
uint8_t VelocityTable[128]; ///< For velocity dimensions with custom defined zone ranges only: used for fast converting from velocity MIDI value to dimension bit number. |
648 |
|
|
649 |
Region(Instrument* pInstrument, RIFF::List* rgnList); |
Region(Instrument* pInstrument, RIFF::List* rgnList); |
650 |
void LoadDimensionRegions(RIFF::List* rgn); |
void LoadDimensionRegions(RIFF::List* rgn); |
651 |
Sample* GetSampleFromWavePool(unsigned int WavePoolTableIndex); |
Sample* GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress = NULL); |
652 |
~Region(); |
~Region(); |
653 |
friend class Instrument; |
friend class Instrument; |
654 |
}; |
}; |
687 |
Region* RegionKeyTable[128]; ///< fast lookup for the corresponding Region of a MIDI key |
Region* RegionKeyTable[128]; ///< fast lookup for the corresponding Region of a MIDI key |
688 |
int RegionIndex; |
int RegionIndex; |
689 |
|
|
690 |
Instrument(File* pFile, RIFF::List* insList); |
Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress = NULL); |
691 |
~Instrument(); |
~Instrument(); |
692 |
friend class File; |
friend class File; |
693 |
}; |
}; |
707 |
DLS::Resource::GetParent; |
DLS::Resource::GetParent; |
708 |
// overridden methods |
// overridden methods |
709 |
File(RIFF::File* pRIFF); |
File(RIFF::File* pRIFF); |
710 |
Sample* GetFirstSample(); ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise. |
Sample* GetFirstSample(progress_t* pProgress = NULL); ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise. |
711 |
Sample* GetNextSample(); ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise. |
Sample* GetNextSample(); ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise. |
712 |
Instrument* GetFirstInstrument(); ///< Returns a pointer to the first <i>Instrument</i> object of the file, <i>NULL</i> otherwise. |
Instrument* GetFirstInstrument(); ///< Returns a pointer to the first <i>Instrument</i> object of the file, <i>NULL</i> otherwise. |
713 |
Instrument* GetNextInstrument(); ///< Returns a pointer to the next <i>Instrument</i> object of the file, <i>NULL</i> otherwise. |
Instrument* GetNextInstrument(); ///< Returns a pointer to the next <i>Instrument</i> object of the file, <i>NULL</i> otherwise. |
714 |
~File() {}; |
Instrument* GetInstrument(uint index, progress_t* pProgress = NULL); |
715 |
|
~File(); |
716 |
protected: |
protected: |
717 |
typedef std::list<Sample*> SampleList; |
typedef std::list<Sample*> SampleList; |
718 |
typedef std::list<Instrument*> InstrumentList; |
typedef std::list<Instrument*> InstrumentList; |
722 |
InstrumentList* pInstruments; |
InstrumentList* pInstruments; |
723 |
InstrumentList::iterator InstrumentsIterator; |
InstrumentList::iterator InstrumentsIterator; |
724 |
|
|
725 |
void LoadSamples(); |
void LoadSamples(progress_t* pProgress = NULL); |
726 |
void LoadInstruments(); |
void LoadInstruments(progress_t* pProgress = NULL); |
727 |
friend class Region; |
friend class Region; |
728 |
|
|
729 |
|
std::list<RIFF::File*> ExtensionFiles; |
730 |
}; |
}; |
731 |
|
|
732 |
/** Will be thrown whenever a gig specific error occurs while trying to access a Gigasampler File. */ |
/** Will be thrown whenever a gig specific error occurs while trying to access a Gigasampler File. */ |
736 |
void PrintMessage(); |
void PrintMessage(); |
737 |
}; |
}; |
738 |
|
|
739 |
|
String libraryName(); |
740 |
|
String libraryVersion(); |
741 |
|
|
742 |
} // namespace gig |
} // namespace gig |
743 |
|
|
744 |
#endif // __GIG_H__ |
#endif // __GIG_H__ |