/[svn]/libgig/trunk/src/gig.h
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Mon Sep 19 21:41:34 2011 UTC (12 years, 6 months ago) by schoenebeck
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* src/DLS.cpp, src/DLS.h: added new method File::GetFileName()
* bumped version to 3.3.0.svn2

1 schoenebeck 2 /***************************************************************************
2     * *
3 schoenebeck 933 * libgig - C++ cross-platform Gigasampler format file access library *
4 schoenebeck 2 * *
5 persson 2044 * Copyright (C) 2003-2010 by Christian Schoenebeck *
6 schoenebeck 384 * <cuse@users.sourceforge.net> *
7 schoenebeck 2 * *
8     * 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 *
10     * the Free Software Foundation; either version 2 of the License, or *
11     * (at your option) any later version. *
12     * *
13     * This library is distributed in the hope that it will be useful, *
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16     * GNU General Public License for more details. *
17     * *
18     * You should have received a copy of the GNU General Public License *
19     * along with this library; if not, write to the Free Software *
20     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21     * MA 02111-1307 USA *
22     ***************************************************************************/
23    
24     #ifndef __GIG_H__
25     #define __GIG_H__
26    
27     #include "DLS.h"
28    
29 schoenebeck 11 #if WORDS_BIGENDIAN
30 schoenebeck 2 # define LIST_TYPE_3PRG 0x33707267
31     # define LIST_TYPE_3EWL 0x3365776C
32 schoenebeck 929 # define LIST_TYPE_3GRI 0x33677269
33     # define LIST_TYPE_3GNL 0x33676E6C
34 schoenebeck 2 # define CHUNK_ID_3GIX 0x33676978
35     # define CHUNK_ID_3EWA 0x33657761
36     # define CHUNK_ID_3LNK 0x336C6E6B
37     # define CHUNK_ID_3EWG 0x33657767
38     # define CHUNK_ID_EWAV 0x65776176
39 schoenebeck 929 # define CHUNK_ID_3GNM 0x33676E6D
40 persson 1199 # define CHUNK_ID_EINF 0x65696E66
41     # define CHUNK_ID_3CRC 0x33637263
42 schoenebeck 2 #else // little endian
43     # define LIST_TYPE_3PRG 0x67727033
44     # define LIST_TYPE_3EWL 0x6C776533
45 schoenebeck 929 # define LIST_TYPE_3GRI 0x69726733
46     # define LIST_TYPE_3GNL 0x6C6E6733
47 schoenebeck 2 # define CHUNK_ID_3GIX 0x78696733
48     # define CHUNK_ID_3EWA 0x61776533
49     # define CHUNK_ID_3LNK 0x6B6E6C33
50     # define CHUNK_ID_3EWG 0x67776533
51     # define CHUNK_ID_EWAV 0x76617765
52 schoenebeck 929 # define CHUNK_ID_3GNM 0x6D6E6733
53 persson 1199 # define CHUNK_ID_EINF 0x666E6965
54     # define CHUNK_ID_3CRC 0x63726333
55 schoenebeck 2 #endif // WORDS_BIGENDIAN
56    
57     /** Gigasampler specific classes and definitions */
58     namespace gig {
59    
60     typedef std::string String;
61    
62     /** Lower and upper limit of a range. */
63     struct range_t {
64     uint8_t low; ///< Low value of range.
65     uint8_t high; ///< High value of range.
66     };
67    
68     /** Pointer address and size of a buffer. */
69     struct buffer_t {
70     void* pStart; ///< Points to the beginning of the buffer.
71     unsigned long Size; ///< Size of the actual data in the buffer in bytes.
72     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. :)
73 schoenebeck 384 buffer_t() {
74     pStart = NULL;
75     Size = 0;
76     NullExtensionSize = 0;
77     }
78 schoenebeck 2 };
79    
80     /** Standard types of sample loops. */
81     typedef enum {
82     loop_type_normal = 0x00000000, ///< Loop forward (normal)
83     loop_type_bidirectional = 0x00000001, ///< Alternating loop (forward/backward, also known as Ping Pong)
84     loop_type_backward = 0x00000002 ///< Loop backward (reverse)
85     } loop_type_t;
86    
87     /** Society of Motion Pictures and Television E time format. */
88     typedef enum {
89     smpte_format_no_offset = 0x00000000, ///< no SMPTE offset
90     smpte_format_24_frames = 0x00000018, ///< 24 frames per second
91     smpte_format_25_frames = 0x00000019, ///< 25 frames per second
92     smpte_format_30_frames_dropping = 0x0000001D, ///< 30 frames per second with frame dropping (30 drop)
93     smpte_format_30_frames = 0x0000001E ///< 30 frames per second
94     } smpte_format_t;
95    
96     /** Defines the shape of a function graph. */
97     typedef enum {
98     curve_type_nonlinear = 0,
99     curve_type_linear = 1,
100     curve_type_special = 2,
101     curve_type_unknown = 0xffffffff
102     } curve_type_t;
103    
104     /** Dimensions allow to bypass one of the following controllers. */
105     typedef enum {
106     dim_bypass_ctrl_none,
107     dim_bypass_ctrl_94, ///< Effect 4 Depth (MIDI Controller 94)
108     dim_bypass_ctrl_95 ///< Effect 5 Depth (MIDI Controller 95)
109     } dim_bypass_ctrl_t;
110    
111     /** Defines how LFO3 is controlled by. */
112     typedef enum {
113     lfo3_ctrl_internal = 0x00, ///< Only internally controlled.
114     lfo3_ctrl_modwheel = 0x01, ///< Only controlled by external modulation wheel.
115     lfo3_ctrl_aftertouch = 0x02, ///< Only controlled by aftertouch controller.
116     lfo3_ctrl_internal_modwheel = 0x03, ///< Controlled internally and by external modulation wheel.
117     lfo3_ctrl_internal_aftertouch = 0x04 ///< Controlled internally and by aftertouch controller.
118     } lfo3_ctrl_t;
119    
120     /** Defines how LFO2 is controlled by. */
121     typedef enum {
122     lfo2_ctrl_internal = 0x00, ///< Only internally controlled.
123     lfo2_ctrl_modwheel = 0x01, ///< Only controlled by external modulation wheel.
124     lfo2_ctrl_foot = 0x02, ///< Only controlled by external foot controller.
125     lfo2_ctrl_internal_modwheel = 0x03, ///< Controlled internally and by external modulation wheel.
126     lfo2_ctrl_internal_foot = 0x04 ///< Controlled internally and by external foot controller.
127     } lfo2_ctrl_t;
128    
129     /** Defines how LFO1 is controlled by. */
130     typedef enum {
131     lfo1_ctrl_internal = 0x00, ///< Only internally controlled.
132     lfo1_ctrl_modwheel = 0x01, ///< Only controlled by external modulation wheel.
133     lfo1_ctrl_breath = 0x02, ///< Only controlled by external breath controller.
134     lfo1_ctrl_internal_modwheel = 0x03, ///< Controlled internally and by external modulation wheel.
135     lfo1_ctrl_internal_breath = 0x04 ///< Controlled internally and by external breath controller.
136     } lfo1_ctrl_t;
137    
138     /** Defines how the filter cutoff frequency is controlled by. */
139     typedef enum {
140     vcf_cutoff_ctrl_none = 0x00,
141 persson 834 vcf_cutoff_ctrl_none2 = 0x01, ///< The difference between none and none2 is unknown
142 schoenebeck 2 vcf_cutoff_ctrl_modwheel = 0x81, ///< Modulation Wheel (MIDI Controller 1)
143     vcf_cutoff_ctrl_effect1 = 0x8c, ///< Effect Controller 1 (Coarse, MIDI Controller 12)
144     vcf_cutoff_ctrl_effect2 = 0x8d, ///< Effect Controller 2 (Coarse, MIDI Controller 13)
145     vcf_cutoff_ctrl_breath = 0x82, ///< Breath Controller (Coarse, MIDI Controller 2)
146     vcf_cutoff_ctrl_foot = 0x84, ///< Foot Pedal (Coarse, MIDI Controller 4)
147     vcf_cutoff_ctrl_sustainpedal = 0xc0, ///< Sustain Pedal (MIDI Controller 64)
148     vcf_cutoff_ctrl_softpedal = 0xc3, ///< Soft Pedal (MIDI Controller 67)
149     vcf_cutoff_ctrl_genpurpose7 = 0xd2, ///< General Purpose Controller 7 (Button, MIDI Controller 82)
150     vcf_cutoff_ctrl_genpurpose8 = 0xd3, ///< General Purpose Controller 8 (Button, MIDI Controller 83)
151     vcf_cutoff_ctrl_aftertouch = 0x80 ///< Key Pressure
152     } vcf_cutoff_ctrl_t;
153    
154     /** Defines how the filter resonance is controlled by. */
155     typedef enum {
156     vcf_res_ctrl_none = 0xffffffff,
157     vcf_res_ctrl_genpurpose3 = 0, ///< General Purpose Controller 3 (Slider, MIDI Controller 18)
158     vcf_res_ctrl_genpurpose4 = 1, ///< General Purpose Controller 4 (Slider, MIDI Controller 19)
159     vcf_res_ctrl_genpurpose5 = 2, ///< General Purpose Controller 5 (Button, MIDI Controller 80)
160     vcf_res_ctrl_genpurpose6 = 3 ///< General Purpose Controller 6 (Button, MIDI Controller 81)
161     } vcf_res_ctrl_t;
162 schoenebeck 55
163 schoenebeck 36 /**
164     * Defines a controller that has a certain contrained influence on a
165     * particular synthesis parameter (used to define attenuation controller,
166     * EG1 controller and EG2 controller).
167     *
168     * You should use the respective <i>typedef</i> (means either
169     * attenuation_ctrl_t, eg1_ctrl_t or eg2_ctrl_t) in your code!
170     */
171     struct leverage_ctrl_t {
172     typedef enum {
173     type_none = 0x00, ///< No controller defined
174     type_channelaftertouch = 0x2f, ///< Channel Key Pressure
175     type_velocity = 0xff, ///< Key Velocity
176     type_controlchange = 0xfe ///< Ordinary MIDI control change controller, see field 'controller_number'
177     } type_t;
178 schoenebeck 55
179 schoenebeck 36 type_t type; ///< Controller type
180     uint controller_number; ///< MIDI controller number if this controller is a control change controller, 0 otherwise
181     };
182 schoenebeck 55
183 schoenebeck 36 /**
184     * Defines controller influencing attenuation.
185     *
186     * @see leverage_ctrl_t
187     */
188     typedef leverage_ctrl_t attenuation_ctrl_t;
189 schoenebeck 55
190 schoenebeck 36 /**
191     * Defines controller influencing envelope generator 1.
192     *
193     * @see leverage_ctrl_t
194     */
195     typedef leverage_ctrl_t eg1_ctrl_t;
196 schoenebeck 55
197 schoenebeck 36 /**
198     * Defines controller influencing envelope generator 2.
199     *
200     * @see leverage_ctrl_t
201     */
202     typedef leverage_ctrl_t eg2_ctrl_t;
203 schoenebeck 2
204     /**
205     * Defines the type of dimension, that is how the dimension zones (and
206     * thus how the dimension regions are selected by. The number of
207     * dimension zones is always a power of two. All dimensions can have up
208     * to 32 zones (except the layer dimension with only up to 8 zones and
209     * the samplechannel dimension which currently allows only 2 zones).
210     */
211     typedef enum {
212     dimension_none = 0x00, ///< Dimension not in use.
213     dimension_samplechannel = 0x80, ///< If used sample has more than one channel (thus is not mono).
214     dimension_layer = 0x81, ///< For layering of up to 8 instruments (and eventually crossfading of 2 or 4 layers).
215 persson 1076 dimension_velocity = 0x82, ///< Key Velocity (this is the only dimension in gig2 where the ranges can exactly be defined).
216 schoenebeck 2 dimension_channelaftertouch = 0x83, ///< Channel Key Pressure
217     dimension_releasetrigger = 0x84, ///< Special dimension for triggering samples on releasing a key.
218 schoenebeck 353 dimension_keyboard = 0x85, ///< Dimension for keyswitching
219 persson 437 dimension_roundrobin = 0x86, ///< Different samples triggered each time a note is played, dimension regions selected in sequence
220     dimension_random = 0x87, ///< Different samples triggered each time a note is played, random order
221 persson 1076 dimension_smartmidi = 0x88, ///< For MIDI tools like legato and repetition mode
222     dimension_roundrobinkeyboard = 0x89, ///< Different samples triggered each time a note is played, any key advances the counter
223 schoenebeck 2 dimension_modwheel = 0x01, ///< Modulation Wheel (MIDI Controller 1)
224     dimension_breath = 0x02, ///< Breath Controller (Coarse, MIDI Controller 2)
225     dimension_foot = 0x04, ///< Foot Pedal (Coarse, MIDI Controller 4)
226     dimension_portamentotime = 0x05, ///< Portamento Time (Coarse, MIDI Controller 5)
227     dimension_effect1 = 0x0c, ///< Effect Controller 1 (Coarse, MIDI Controller 12)
228     dimension_effect2 = 0x0d, ///< Effect Controller 2 (Coarse, MIDI Controller 13)
229     dimension_genpurpose1 = 0x10, ///< General Purpose Controller 1 (Slider, MIDI Controller 16)
230     dimension_genpurpose2 = 0x11, ///< General Purpose Controller 2 (Slider, MIDI Controller 17)
231     dimension_genpurpose3 = 0x12, ///< General Purpose Controller 3 (Slider, MIDI Controller 18)
232     dimension_genpurpose4 = 0x13, ///< General Purpose Controller 4 (Slider, MIDI Controller 19)
233     dimension_sustainpedal = 0x40, ///< Sustain Pedal (MIDI Controller 64)
234     dimension_portamento = 0x41, ///< Portamento (MIDI Controller 65)
235     dimension_sostenutopedal = 0x42, ///< Sostenuto Pedal (MIDI Controller 66)
236     dimension_softpedal = 0x43, ///< Soft Pedal (MIDI Controller 67)
237     dimension_genpurpose5 = 0x30, ///< General Purpose Controller 5 (Button, MIDI Controller 80)
238     dimension_genpurpose6 = 0x31, ///< General Purpose Controller 6 (Button, MIDI Controller 81)
239     dimension_genpurpose7 = 0x32, ///< General Purpose Controller 7 (Button, MIDI Controller 82)
240     dimension_genpurpose8 = 0x33, ///< General Purpose Controller 8 (Button, MIDI Controller 83)
241     dimension_effect1depth = 0x5b, ///< Effect 1 Depth (MIDI Controller 91)
242     dimension_effect2depth = 0x5c, ///< Effect 2 Depth (MIDI Controller 92)
243     dimension_effect3depth = 0x5d, ///< Effect 3 Depth (MIDI Controller 93)
244     dimension_effect4depth = 0x5e, ///< Effect 4 Depth (MIDI Controller 94)
245     dimension_effect5depth = 0x5f ///< Effect 5 Depth (MIDI Controller 95)
246     } dimension_t;
247    
248     /**
249     * Intended for internal usage: will be used to convert a dimension value
250     * into the corresponding dimension bit number.
251     */
252     typedef enum {
253 persson 858 split_type_normal, ///< dimension value between 0-127
254 schoenebeck 2 split_type_bit ///< dimension values are already the sought bit number
255     } split_type_t;
256    
257     /** General dimension definition. */
258     struct dimension_def_t {
259     dimension_t dimension; ///< Specifies which source (usually a MIDI controller) is associated with the dimension.
260     uint8_t bits; ///< Number of "bits" (1 bit = 2 splits/zones, 2 bit = 4 splits/zones, 3 bit = 8 splits/zones,...).
261     uint8_t zones; ///< Number of zones the dimension has.
262     split_type_t split_type; ///< Intended for internal usage: will be used to convert a dimension value into the corresponding dimension bit number.
263 persson 774 float zone_size; ///< Intended for internal usage: reflects the size of each zone (128/zones) for normal split types only, 0 otherwise.
264 schoenebeck 2 };
265    
266     /** Defines which frequencies are filtered by the VCF. */
267     typedef enum {
268     vcf_type_lowpass = 0x00,
269     vcf_type_lowpassturbo = 0xff, ///< More poles than normal lowpass
270     vcf_type_bandpass = 0x01,
271     vcf_type_highpass = 0x02,
272     vcf_type_bandreject = 0x03
273     } vcf_type_t;
274    
275 schoenebeck 345 /**
276     * Defines the envelope of a crossfade.
277     *
278     * Note: The default value for crossfade points is 0,0,0,0. Layers with
279     * such a default value should be treated as if they would not have a
280 schoenebeck 353 * crossfade.
281 schoenebeck 345 */
282 schoenebeck 2 struct crossfade_t {
283     #if WORDS_BIGENDIAN
284 schoenebeck 345 uint8_t out_end; ///< End postition of fade out.
285     uint8_t out_start; ///< Start position of fade out.
286     uint8_t in_end; ///< End position of fade in.
287 schoenebeck 2 uint8_t in_start; ///< Start position of fade in.
288 schoenebeck 345 #else // little endian
289     uint8_t in_start; ///< Start position of fade in.
290 schoenebeck 2 uint8_t in_end; ///< End position of fade in.
291     uint8_t out_start; ///< Start position of fade out.
292     uint8_t out_end; ///< End postition of fade out.
293     #endif // WORDS_BIGENDIAN
294     };
295    
296 schoenebeck 24 /** Reflects the current playback state for a sample. */
297     struct playback_state_t {
298     unsigned long position; ///< Current position within the sample.
299     bool reverse; ///< If playback direction is currently backwards (in case there is a pingpong or reverse loop defined).
300     unsigned long loop_cycles_left; ///< How many times the loop has still to be passed, this value will be decremented with each loop cycle.
301     };
302    
303 schoenebeck 515 /**
304     * @brief Used for indicating the progress of a certain task.
305     *
306     * The function pointer argument has to be supplied with a valid
307     * function of the given signature which will then be called on
308 schoenebeck 516 * progress changes. An equivalent progress_t structure will be passed
309     * back as argument to the callback function on each progress change.
310     * The factor field of the supplied progress_t structure will then
311     * reflect the current progress as value between 0.0 and 1.0. You might
312     * want to use the custom field for data needed in your callback
313     * function.
314 schoenebeck 515 */
315     struct progress_t {
316 schoenebeck 516 void (*callback)(progress_t*); ///< Callback function pointer which has to be assigned to a function for progress notification.
317     float factor; ///< Reflects current progress as value between 0.0 and 1.0.
318     void* custom; ///< This pointer can be used for arbitrary data.
319     float __range_min; ///< Only for internal usage, do not modify!
320     float __range_max; ///< Only for internal usage, do not modify!
321 schoenebeck 515 progress_t();
322     };
323    
324 schoenebeck 2 // just symbol prototyping
325     class File;
326     class Instrument;
327     class Sample;
328 capela 310 class Region;
329 schoenebeck 929 class Group;
330 schoenebeck 2
331 schoenebeck 1093 /** @brief Encapsulates articulation information of a dimension region.
332 schoenebeck 2 *
333     * Every Gigasampler Instrument has at least one dimension region
334     * (exactly then when it has no dimension defined).
335     *
336     * Gigasampler provides three Envelope Generators and Low Frequency
337     * Oscillators:
338     *
339     * - EG1 and LFO1, both controlling sample amplitude
340     * - EG2 and LFO2, both controlling filter cutoff frequency
341     * - EG3 and LFO3, both controlling sample pitch
342     */
343     class DimensionRegion : protected DLS::Sampler {
344     public:
345 persson 1070 uint8_t VelocityUpperLimit; ///< Defines the upper velocity value limit of a velocity split (only if an user defined limit was set, thus a value not equal to 128/NumberOfSplits, else this value is 0). Only for gig2, otherwise the DimensionUpperLimts are used instead.
346 schoenebeck 2 Sample* pSample; ///< Points to the Sample which is assigned to the dimension region.
347     // Sample Amplitude EG/LFO
348     uint16_t EG1PreAttack; ///< Preattack value of the sample amplitude EG (0 - 1000 permille).
349     double EG1Attack; ///< Attack time of the sample amplitude EG (0.000 - 60.000s).
350     double EG1Decay1; ///< Decay time of the sample amplitude EG (0.000 - 60.000s).
351     double EG1Decay2; ///< Only if <i>EG1InfiniteSustain == false</i>: 2nd decay stage time of the sample amplitude EG (0.000 - 60.000s).
352     bool EG1InfiniteSustain; ///< If <i>true</i>, instead of going into Decay2 phase, Decay1 level will be hold until note will be released.
353     uint16_t EG1Sustain; ///< Sustain value of the sample amplitude EG (0 - 1000 permille).
354     double EG1Release; ///< Release time of the sample amplitude EG (0.000 - 60.000s).
355     bool EG1Hold; ///< If <i>true</i>, Decay1 stage should be postponed until the sample reached the sample loop start.
356     eg1_ctrl_t EG1Controller; ///< MIDI Controller which has influence on sample amplitude EG parameters (attack, decay, release).
357     bool EG1ControllerInvert; ///< Invert values coming from defined EG1 controller.
358 schoenebeck 36 uint8_t EG1ControllerAttackInfluence; ///< Amount EG1 Controller has influence on the EG1 Attack time (0 - 3, where 0 means off).
359     uint8_t EG1ControllerDecayInfluence; ///< Amount EG1 Controller has influence on the EG1 Decay time (0 - 3, where 0 means off).
360     uint8_t EG1ControllerReleaseInfluence; ///< Amount EG1 Controller has influence on the EG1 Release time (0 - 3, where 0 means off).
361 schoenebeck 2 double LFO1Frequency; ///< Frequency of the sample amplitude LFO (0.10 - 10.00 Hz).
362     uint16_t LFO1InternalDepth; ///< Firm pitch of the sample amplitude LFO (0 - 1200 cents).
363     uint16_t LFO1ControlDepth; ///< Controller depth influencing sample amplitude LFO pitch (0 - 1200 cents).
364     lfo1_ctrl_t LFO1Controller; ///< MIDI Controller which controls sample amplitude LFO.
365     bool LFO1FlipPhase; ///< Inverts phase of the sample amplitude LFO wave.
366     bool LFO1Sync; ///< If set to <i>true</i> only one LFO should be used for all voices.
367     // Filter Cutoff Frequency EG/LFO
368     uint16_t EG2PreAttack; ///< Preattack value of the filter cutoff EG (0 - 1000 permille).
369     double EG2Attack; ///< Attack time of the filter cutoff EG (0.000 - 60.000s).
370     double EG2Decay1; ///< Decay time of the filter cutoff EG (0.000 - 60.000s).
371     double EG2Decay2; ///< Only if <i>EG2InfiniteSustain == false</i>: 2nd stage decay time of the filter cutoff EG (0.000 - 60.000s).
372     bool EG2InfiniteSustain; ///< If <i>true</i>, instead of going into Decay2 phase, Decay1 level will be hold until note will be released.
373     uint16_t EG2Sustain; ///< Sustain value of the filter cutoff EG (0 - 1000 permille).
374     double EG2Release; ///< Release time of the filter cutoff EG (0.000 - 60.000s).
375     eg2_ctrl_t EG2Controller; ///< MIDI Controller which has influence on filter cutoff EG parameters (attack, decay, release).
376     bool EG2ControllerInvert; ///< Invert values coming from defined EG2 controller.
377 schoenebeck 36 uint8_t EG2ControllerAttackInfluence; ///< Amount EG2 Controller has influence on the EG2 Attack time (0 - 3, where 0 means off).
378     uint8_t EG2ControllerDecayInfluence; ///< Amount EG2 Controller has influence on the EG2 Decay time (0 - 3, where 0 means off).
379     uint8_t EG2ControllerReleaseInfluence; ///< Amount EG2 Controller has influence on the EG2 Release time (0 - 3, where 0 means off).
380 schoenebeck 2 double LFO2Frequency; ///< Frequency of the filter cutoff LFO (0.10 - 10.00 Hz).
381     uint16_t LFO2InternalDepth; ///< Firm pitch of the filter cutoff LFO (0 - 1200 cents).
382     uint16_t LFO2ControlDepth; ///< Controller depth influencing filter cutoff LFO pitch (0 - 1200).
383     lfo2_ctrl_t LFO2Controller; ///< MIDI Controlle which controls the filter cutoff LFO.
384     bool LFO2FlipPhase; ///< Inverts phase of the filter cutoff LFO wave.
385     bool LFO2Sync; ///< If set to <i>true</i> only one LFO should be used for all voices.
386     // Sample Pitch EG/LFO
387     double EG3Attack; ///< Attack time of the sample pitch EG (0.000 - 10.000s).
388     int16_t EG3Depth; ///< Depth of the sample pitch EG (-1200 - +1200).
389     double LFO3Frequency; ///< Frequency of the sample pitch LFO (0.10 - 10.00 Hz).
390     int16_t LFO3InternalDepth; ///< Firm depth of the sample pitch LFO (-1200 - +1200 cents).
391     int16_t LFO3ControlDepth; ///< Controller depth of the sample pitch LFO (-1200 - +1200 cents).
392     lfo3_ctrl_t LFO3Controller; ///< MIDI Controller which controls the sample pitch LFO.
393     bool LFO3Sync; ///< If set to <i>true</i> only one LFO should be used for all voices.
394     // Filter
395     bool VCFEnabled; ///< If filter should be used.
396     vcf_type_t VCFType; ///< Defines the general filter characteristic (lowpass, highpass, bandpass, etc.).
397 schoenebeck 1358 vcf_cutoff_ctrl_t VCFCutoffController; ///< Specifies which external controller has influence on the filter cutoff frequency. @deprecated Don't alter directly, use SetVCFCutoffController() instead!
398 persson 728 bool VCFCutoffControllerInvert; ///< Inverts values coming from the defined cutoff controller
399 schoenebeck 2 uint8_t VCFCutoff; ///< Max. cutoff frequency.
400 schoenebeck 1358 curve_type_t VCFVelocityCurve; ///< Defines a transformation curve for the incoming velocity values, affecting the VCF. @deprecated Don't alter directly, use SetVCFVelocityCurve() instead!
401     uint8_t VCFVelocityScale; ///< (0-127) Amount velocity controls VCF cutoff frequency (only if no other VCF cutoff controller is defined, otherwise this is the minimum cutoff). @deprecated Don't alter directly, use SetVCFVelocityScale() instead!
402     uint8_t VCFVelocityDynamicRange; ///< 0x04 = lowest, 0x00 = highest . @deprecated Don't alter directly, use SetVCFVelocityDynamicRange() instead!
403 schoenebeck 2 uint8_t VCFResonance; ///< Firm internal filter resonance weight.
404     bool VCFResonanceDynamic; ///< If <i>true</i>: Increases the resonance Q according to changes of controllers that actually control the VCF cutoff frequency (EG2, ext. VCF MIDI controller).
405     vcf_res_ctrl_t VCFResonanceController; ///< Specifies which external controller has influence on the filter resonance Q.
406     bool VCFKeyboardTracking; ///< If <i>true</i>: VCF cutoff frequence will be dependend to the note key position relative to the defined breakpoint value.
407     uint8_t VCFKeyboardTrackingBreakpoint; ///< See VCFKeyboardTracking (0 - 127).
408     // Key Velocity Transformations
409 schoenebeck 1358 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). @deprecated Don't alter directly, use SetVelocityResponseCurve() instead!
410     uint8_t VelocityResponseDepth; ///< Dynamic range of velocity affecting amplitude (0 - 4) (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). @deprecated Don't alter directly, use SetVelocityResponseDepth() instead!
411     uint8_t VelocityResponseCurveScaling; ///< 0 - 127 (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). @deprecated Don't alter directly, use SetVelocityResponseCurveScaling() instead!
412     curve_type_t ReleaseVelocityResponseCurve; ///< Defines a transformation curve to the incoming release veloctiy values affecting envelope times. @deprecated Don't alter directly, use SetReleaseVelocityResponseCurve() instead!
413     uint8_t ReleaseVelocityResponseDepth; ///< Dynamic range of release velocity affecting envelope time (0 - 4). @deprecated Don't alter directly, use SetReleaseVelocityResponseDepth() instead!
414 schoenebeck 2 uint8_t ReleaseTriggerDecay; ///< 0 - 8
415     // Mix / Layer
416     crossfade_t Crossfade;
417     bool PitchTrack; ///< If <i>true</i>: sample will be pitched according to the key position (this will be disabled for drums for example).
418     dim_bypass_ctrl_t DimensionBypass; ///< If defined, the MIDI controller can switch on/off the dimension in realtime.
419     int8_t Pan; ///< Panorama / Balance (-64..0..63 <-> left..middle..right)
420     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.
421 schoenebeck 36 attenuation_ctrl_t AttenuationController; ///< MIDI Controller which has influence on the volume level of the sample (or entire sample group).
422     bool InvertAttenuationController; ///< Inverts the values coming from the defined Attenuation Controller.
423     uint8_t AttenuationControllerThreshold;///< 0-127
424 schoenebeck 2 uint8_t ChannelOffset; ///< Audio output where the audio signal of the dimension region should be routed to (0 - 9).
425     bool SustainDefeat; ///< If <i>true</i>: Sustain pedal will not hold a note.
426     bool MSDecode; ///< Gigastudio flag: defines if Mid Side Recordings should be decoded.
427     uint16_t SampleStartOffset; ///< Number of samples the sample start should be moved (0 - 2000).
428 persson 406 double SampleAttenuation; ///< Sample volume (calculated from DLS::Sampler::Gain)
429 persson 1070 uint8_t DimensionUpperLimits[8]; ///< gig3: defines the upper limit of the dimension values for this dimension region
430 persson 406
431 schoenebeck 2 // derived attributes from DLS::Sampler
432     DLS::Sampler::UnityNote;
433     DLS::Sampler::FineTune;
434     DLS::Sampler::Gain;
435     DLS::Sampler::SampleLoops;
436     DLS::Sampler::pSampleLoops;
437    
438 schoenebeck 809 // own methods
439 schoenebeck 16 double GetVelocityAttenuation(uint8_t MIDIKeyVelocity);
440 persson 613 double GetVelocityRelease(uint8_t MIDIKeyVelocity);
441 persson 728 double GetVelocityCutoff(uint8_t MIDIKeyVelocity);
442 schoenebeck 1358 void SetVelocityResponseCurve(curve_type_t curve);
443     void SetVelocityResponseDepth(uint8_t depth);
444     void SetVelocityResponseCurveScaling(uint8_t scaling);
445     void SetReleaseVelocityResponseCurve(curve_type_t curve);
446     void SetReleaseVelocityResponseDepth(uint8_t depth);
447     void SetVCFCutoffController(vcf_cutoff_ctrl_t controller);
448     void SetVCFVelocityCurve(curve_type_t curve);
449     void SetVCFVelocityDynamicRange(uint8_t range);
450     void SetVCFVelocityScale(uint8_t scaling);
451 schoenebeck 1316 Region* GetParent() const;
452 schoenebeck 1155 // derived methods
453     DLS::Sampler::AddSampleLoop;
454     DLS::Sampler::DeleteSampleLoop;
455 schoenebeck 809 // overridden methods
456 schoenebeck 1358 virtual void SetGain(int32_t gain);
457 schoenebeck 809 virtual void UpdateChunks();
458 schoenebeck 16 protected:
459 persson 858 uint8_t* VelocityTable; ///< For velocity dimensions with custom defined zone ranges only: used for fast converting from velocity MIDI value to dimension bit number.
460 schoenebeck 1316 DimensionRegion(Region* pParent, RIFF::List* _3ewl);
461 persson 1301 DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src);
462 schoenebeck 16 ~DimensionRegion();
463     friend class Region;
464     private:
465 schoenebeck 36 typedef enum { ///< Used to decode attenuation, EG1 and EG2 controller
466     _lev_ctrl_none = 0x00,
467     _lev_ctrl_modwheel = 0x03, ///< Modulation Wheel (MIDI Controller 1)
468     _lev_ctrl_breath = 0x05, ///< Breath Controller (Coarse, MIDI Controller 2)
469     _lev_ctrl_foot = 0x07, ///< Foot Pedal (Coarse, MIDI Controller 4)
470     _lev_ctrl_effect1 = 0x0d, ///< Effect Controller 1 (Coarse, MIDI Controller 12)
471     _lev_ctrl_effect2 = 0x0f, ///< Effect Controller 2 (Coarse, MIDI Controller 13)
472     _lev_ctrl_genpurpose1 = 0x11, ///< General Purpose Controller 1 (Slider, MIDI Controller 16)
473     _lev_ctrl_genpurpose2 = 0x13, ///< General Purpose Controller 2 (Slider, MIDI Controller 17)
474     _lev_ctrl_genpurpose3 = 0x15, ///< General Purpose Controller 3 (Slider, MIDI Controller 18)
475     _lev_ctrl_genpurpose4 = 0x17, ///< General Purpose Controller 4 (Slider, MIDI Controller 19)
476     _lev_ctrl_portamentotime = 0x0b, ///< Portamento Time (Coarse, MIDI Controller 5)
477     _lev_ctrl_sustainpedal = 0x01, ///< Sustain Pedal (MIDI Controller 64)
478     _lev_ctrl_portamento = 0x19, ///< Portamento (MIDI Controller 65)
479     _lev_ctrl_sostenutopedal = 0x1b, ///< Sostenuto Pedal (MIDI Controller 66)
480     _lev_ctrl_softpedal = 0x09, ///< Soft Pedal (MIDI Controller 67)
481     _lev_ctrl_genpurpose5 = 0x1d, ///< General Purpose Controller 5 (Button, MIDI Controller 80)
482     _lev_ctrl_genpurpose6 = 0x1f, ///< General Purpose Controller 6 (Button, MIDI Controller 81)
483     _lev_ctrl_genpurpose7 = 0x21, ///< General Purpose Controller 7 (Button, MIDI Controller 82)
484     _lev_ctrl_genpurpose8 = 0x23, ///< General Purpose Controller 8 (Button, MIDI Controller 83)
485     _lev_ctrl_effect1depth = 0x25, ///< Effect 1 Depth (MIDI Controller 91)
486     _lev_ctrl_effect2depth = 0x27, ///< Effect 2 Depth (MIDI Controller 92)
487     _lev_ctrl_effect3depth = 0x29, ///< Effect 3 Depth (MIDI Controller 93)
488     _lev_ctrl_effect4depth = 0x2b, ///< Effect 4 Depth (MIDI Controller 94)
489     _lev_ctrl_effect5depth = 0x2d, ///< Effect 5 Depth (MIDI Controller 95)
490     _lev_ctrl_channelaftertouch = 0x2f, ///< Channel Key Pressure
491     _lev_ctrl_velocity = 0xff ///< Key Velocity
492 schoenebeck 55 } _lev_ctrl_t;
493 schoenebeck 16 typedef std::map<uint32_t, double*> VelocityTableMap;
494    
495     static uint Instances; ///< Number of DimensionRegion instances.
496     static VelocityTableMap* pVelocityTables; ///< Contains the tables corresponding to the various velocity parameters (VelocityResponseCurve and VelocityResponseDepth).
497     double* pVelocityAttenuationTable; ///< Points to the velocity table corresponding to the velocity parameters of this DimensionRegion.
498 persson 613 double* pVelocityReleaseTable; ///< Points to the velocity table corresponding to the release velocity parameters of this DimensionRegion
499 persson 728 double* pVelocityCutoffTable; ///< Points to the velocity table corresponding to the filter velocity parameters of this DimensionRegion
500 schoenebeck 1316 Region* pRegion;
501 schoenebeck 55
502 schoenebeck 36 leverage_ctrl_t DecodeLeverageController(_lev_ctrl_t EncodedController);
503 schoenebeck 809 _lev_ctrl_t EncodeLeverageController(leverage_ctrl_t DecodedController);
504 schoenebeck 1358 double* GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth);
505     double* GetCutoffVelocityTable(curve_type_t vcfVelocityCurve, uint8_t vcfVelocityDynamicRange, uint8_t vcfVelocityScale, vcf_cutoff_ctrl_t vcfCutoffController);
506 persson 613 double* GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling);
507 schoenebeck 308 double* CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling);
508 schoenebeck 2 };
509    
510 schoenebeck 809 /** @brief Encapsulates sample waves used for playback.
511     *
512     * In case you created a new sample with File::AddSample(), you should
513     * first update all attributes with the desired meta informations
514     * (amount of channels, bit depth, sample rate, etc.), then call
515     * Resize() with the desired sample size, followed by File::Save(), this
516     * will create the mandatory RIFF chunk which will hold the sample wave
517     * data and / or resize the file so you will be able to Write() the
518     * sample data directly to disk.
519 schoenebeck 1154 *
520     * @e Caution: for gig synthesis, most looping relevant information are
521     * retrieved from the respective DimensionRegon instead from the Sample
522     * itself. This was made for allowing different loop definitions for the
523     * same sample under different conditions.
524 schoenebeck 809 */
525 schoenebeck 2 class Sample : public DLS::Sample {
526     public:
527     uint32_t Manufacturer; ///< Specifies the MIDI Manufacturer's Association (MMA) Manufacturer code for the sampler intended to receive this file's waveform. If no particular manufacturer is to be specified, a value of 0 should be used.
528     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.
529 schoenebeck 809 uint32_t SamplePeriod; ///< Specifies the duration of time that passes during the playback of one sample in nanoseconds (normally equal to 1 / Samples Per Second, where Samples Per Second is the value found in the format chunk), don't bother to update this attribute, it won't be saved.
530 schoenebeck 2 uint32_t MIDIUnityNote; ///< Specifies the musical note at which the sample will be played at it's original sample rate.
531 schoenebeck 21 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.
532 schoenebeck 2 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.
533     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).
534 schoenebeck 1154 uint32_t Loops; ///< @e Caution: Use the respective field in the DimensionRegion instead of this one! (Intended purpose: Number of defined sample loops. So far only seen single loops in gig files - please report if you encounter more!)
535 schoenebeck 21 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.
536 schoenebeck 1154 loop_type_t LoopType; ///< @e Caution: Use the respective field in the DimensionRegion instead of this one! (Intended purpose: The type field defines how the waveform samples will be looped.)
537     uint32_t LoopStart; ///< @e Caution: Use the respective field in the DimensionRegion instead of this one! (Intended purpose: 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].)
538     uint32_t LoopEnd; ///< @e Caution: Use the respective field in the DimensionRegion instead of this one! (Intended purpose: The end value specifies the offset [in sample points] in the waveform data which represents the end of the loop [only if Loops > 0].)
539     uint32_t LoopSize; ///< @e Caution: Use the respective fields in the DimensionRegion instead of this one! (Intended purpose: Length of the looping area [in sample points] which is equivalent to @code LoopEnd - LoopStart @endcode.)
540     uint32_t LoopFraction; ///< The fractional value specifies a fraction of a sample at which to loop. 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.
541     uint32_t LoopPlayCount; ///< Number of times the loop should be played (a value of 0 = infinite).
542 schoenebeck 2 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).
543 persson 437 uint32_t TruncatedBits; ///< For 24-bit compressed samples only: number of bits truncated during compression (0, 4 or 6)
544     bool Dithered; ///< For 24-bit compressed samples only: if dithering was used during compression with bit reduction
545 schoenebeck 2
546     // own methods
547     buffer_t LoadSampleData();
548     buffer_t LoadSampleData(unsigned long SampleCount);
549     buffer_t LoadSampleDataWithNullSamplesExtension(uint NullSamplesCount);
550     buffer_t LoadSampleDataWithNullSamplesExtension(unsigned long SampleCount, uint NullSamplesCount);
551     buffer_t GetCache();
552 schoenebeck 384 // own static methods
553     static buffer_t CreateDecompressionBuffer(unsigned long MaxReadSize);
554     static void DestroyDecompressionBuffer(buffer_t& DecompressionBuffer);
555 schoenebeck 2 // overridden methods
556     void ReleaseSampleData();
557 schoenebeck 809 void Resize(int iNewSize);
558 schoenebeck 2 unsigned long SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start);
559     unsigned long GetPos();
560 schoenebeck 384 unsigned long Read(void* pBuffer, unsigned long SampleCount, buffer_t* pExternalDecompressionBuffer = NULL);
561 persson 864 unsigned long ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer = NULL);
562 schoenebeck 809 unsigned long Write(void* pBuffer, unsigned long SampleCount);
563 schoenebeck 930 Group* GetGroup() const;
564 schoenebeck 809 virtual void UpdateChunks();
565 schoenebeck 2 protected:
566     static unsigned int Instances; ///< Number of instances of class Sample.
567 schoenebeck 384 static buffer_t InternalDecompressionBuffer; ///< Buffer used for decompression as well as for truncation of 24 Bit -> 16 Bit samples.
568 schoenebeck 930 Group* pGroup; ///< pointer to the Group this sample belongs to (always not-NULL)
569 schoenebeck 2 unsigned long FrameOffset; ///< Current offset (sample points) in current sample frame (for decompression only).
570     unsigned long* FrameTable; ///< For positioning within compressed samples only: stores the offset values for each frame.
571     unsigned long SamplePos; ///< For compressed samples only: stores the current position (in sample points).
572 persson 365 unsigned long SamplesInLastFrame; ///< For compressed samples only: length of the last sample frame.
573     unsigned long WorstCaseFrameSize; ///< For compressed samples only: size (in bytes) of the largest possible sample frame.
574     unsigned long SamplesPerFrame; ///< For compressed samples only: number of samples in a full sample frame.
575 schoenebeck 2 buffer_t RAMCache; ///< Buffers samples (already uncompressed) in RAM.
576 persson 666 unsigned long FileNo; ///< File number (> 0 when sample is stored in an extension file, 0 when it's in the gig)
577 schoenebeck 809 RIFF::Chunk* pCk3gix;
578     RIFF::Chunk* pCkSmpl;
579 schoenebeck 1381 uint32_t crc; ///< CRC-32 checksum of the raw sample data
580 schoenebeck 2
581 persson 666 Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo = 0);
582 schoenebeck 2 ~Sample();
583 persson 365
584     // Guess size (in bytes) of a compressed sample
585     inline unsigned long GuessSize(unsigned long samples) {
586     // 16 bit: assume all frames are compressed - 1 byte
587     // per sample and 5 bytes header per 2048 samples
588    
589     // 24 bit: assume next best compression rate - 1.5
590     // bytes per sample and 13 bytes header per 256
591     // samples
592     const unsigned long size =
593     BitDepth == 24 ? samples + (samples >> 1) + (samples >> 8) * 13
594     : samples + (samples >> 10) * 5;
595     // Double for stereo and add one worst case sample
596     // frame
597     return (Channels == 2 ? size << 1 : size) + WorstCaseFrameSize;
598     }
599 schoenebeck 384
600     // Worst case amount of sample points that can be read with the
601     // given decompression buffer.
602     inline unsigned long WorstCaseMaxSamples(buffer_t* pDecompressionBuffer) {
603     return (unsigned long) ((float)pDecompressionBuffer->Size / (float)WorstCaseFrameSize * (float)SamplesPerFrame);
604     }
605 schoenebeck 2 private:
606     void ScanCompressedSample();
607     friend class File;
608     friend class Region;
609 schoenebeck 930 friend class Group; // allow to modify protected member pGroup
610 schoenebeck 2 };
611    
612     // TODO: <3dnl> list not used yet - not important though (just contains optional descriptions for the dimensions)
613     /** Defines <i>Region</i> information of an <i>Instrument</i>. */
614     class Region : public DLS::Region {
615     public:
616 schoenebeck 809 unsigned int Dimensions; ///< Number of defined dimensions, do not alter!
617 schoenebeck 926 dimension_def_t pDimensionDefinitions[8]; ///< Defines the five (gig2) or eight (gig3) possible dimensions (the dimension's controller and number of bits/splits). Use AddDimension() and DeleteDimension() to create a new dimension or delete an existing one.
618 schoenebeck 809 uint32_t DimensionRegions; ///< Total number of DimensionRegions this Region contains, do not alter!
619 schoenebeck 926 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). Use AddDimension() and DeleteDimension() to create a new dimension or delete an existing one (which will create or delete the respective dimension region(s) automatically).
620 schoenebeck 809 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. Do not alter this value!
621 schoenebeck 2
622 schoenebeck 1335 // own methods
623 schoenebeck 347 DimensionRegion* GetDimensionRegionByValue(const uint DimValues[8]);
624     DimensionRegion* GetDimensionRegionByBit(const uint8_t DimBits[8]);
625 schoenebeck 2 Sample* GetSample();
626 schoenebeck 809 void AddDimension(dimension_def_t* pDimDef);
627     void DeleteDimension(dimension_def_t* pDimDef);
628 schoenebeck 1335 // overridden methods
629     virtual void SetKeyRange(uint16_t Low, uint16_t High);
630 schoenebeck 809 virtual void UpdateChunks();
631 schoenebeck 2 protected:
632     Region(Instrument* pInstrument, RIFF::List* rgnList);
633     void LoadDimensionRegions(RIFF::List* rgn);
634 persson 858 void UpdateVelocityTable();
635 schoenebeck 515 Sample* GetSampleFromWavePool(unsigned int WavePoolTableIndex, progress_t* pProgress = NULL);
636 schoenebeck 2 ~Region();
637     friend class Instrument;
638     };
639    
640 persson 1627 /** Abstract base class for all MIDI rules. */
641     class MidiRule {
642     public:
643     virtual ~MidiRule() { }
644     };
645    
646     /** MIDI rule for triggering notes by control change events. */
647     class MidiRuleCtrlTrigger : public MidiRule {
648     public:
649     uint8_t ControllerNumber; ///< MIDI controller number.
650     uint8_t Triggers; ///< Number of triggers.
651     struct trigger_t {
652     uint8_t TriggerPoint; ///< The CC value to pass for the note to be triggered.
653     bool Descending; ///< If the change in CC value should be downwards.
654     uint8_t VelSensitivity; ///< How sensitive the velocity should be to the speed of the controller change.
655     uint8_t Key; ///< Key to trigger.
656     bool NoteOff; ///< If a note off should be triggered instead of a note on.
657     uint8_t Velocity; ///< Velocity of the note to trigger. 255 means that velocity should depend on the speed of the controller change.
658     bool OverridePedal; ///< If a note off should be triggered even if the sustain pedal is down.
659     } pTriggers[32];
660    
661     protected:
662     MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg);
663     friend class Instrument;
664     };
665    
666 schoenebeck 2 /** Provides all neccessary information for the synthesis of an <i>Instrument</i>. */
667     class Instrument : protected DLS::Instrument {
668     public:
669     // derived attributes from DLS::Resource
670     DLS::Resource::pInfo;
671     DLS::Resource::pDLSID;
672     // derived attributes from DLS::Instrument
673     DLS::Instrument::IsDrum;
674     DLS::Instrument::MIDIBank;
675     DLS::Instrument::MIDIBankCoarse;
676     DLS::Instrument::MIDIBankFine;
677     DLS::Instrument::MIDIProgram;
678     DLS::Instrument::Regions;
679     // own attributes
680     int32_t Attenuation; ///< in dB
681     uint16_t EffectSend;
682     int16_t FineTune; ///< in cents
683     uint16_t PitchbendRange; ///< Number of semitones pitchbend controller can pitch (default is 2).
684     bool PianoReleaseMode;
685     range_t DimensionKeyRange; ///< 0-127 (where 0 means C1 and 127 means G9)
686    
687    
688     // derived methods from DLS::Resource
689     DLS::Resource::GetParent;
690     // overridden methods
691     Region* GetFirstRegion();
692     Region* GetNextRegion();
693 schoenebeck 809 Region* AddRegion();
694     void DeleteRegion(Region* pRegion);
695     virtual void UpdateChunks();
696 schoenebeck 2 // own methods
697     Region* GetRegion(unsigned int Key);
698 persson 1678 MidiRule* GetMidiRule(int i);
699 schoenebeck 2 protected:
700     Region* RegionKeyTable[128]; ///< fast lookup for the corresponding Region of a MIDI key
701    
702 schoenebeck 515 Instrument(File* pFile, RIFF::List* insList, progress_t* pProgress = NULL);
703 schoenebeck 2 ~Instrument();
704 schoenebeck 809 void UpdateRegionKeyTable();
705 schoenebeck 2 friend class File;
706 schoenebeck 1335 friend class Region; // so Region can call UpdateRegionKeyTable()
707 persson 1627 private:
708 persson 1678 MidiRule** pMidiRules;
709 schoenebeck 2 };
710    
711 schoenebeck 929 /** @brief Group of Gigasampler objects
712     *
713     * Groups help to organize a huge collection of Gigasampler objects.
714     * Groups are not concerned at all for the synthesis, but they help
715     * sound library developers when working on complex instruments with an
716     * instrument editor (as long as that instrument editor supports it ;-).
717     *
718     * At the moment, it seems as only samples can be grouped together in
719     * the Gigasampler format yet. If this is false in the meantime, please
720     * tell us !
721 schoenebeck 930 *
722     * A sample is always assigned to exactly one Group. This also means
723     * there is always at least one Group in a .gig file, no matter if you
724     * created one yet or not.
725 schoenebeck 929 */
726     class Group {
727     public:
728     String Name; ///< Stores the name of this Group.
729 schoenebeck 930
730     Sample* GetFirstSample();
731     Sample* GetNextSample();
732     void AddSample(Sample* pSample);
733 schoenebeck 929 protected:
734 schoenebeck 930 Group(File* file, RIFF::Chunk* ck3gnm);
735 schoenebeck 929 virtual ~Group();
736     virtual void UpdateChunks();
737 schoenebeck 930 void MoveAll();
738 schoenebeck 929 friend class File;
739     private:
740 schoenebeck 930 File* pFile;
741 schoenebeck 929 RIFF::Chunk* pNameChunk;
742     };
743    
744 schoenebeck 2 /** Parses Gigasampler files and provides abstract access to the data. */
745     class File : protected DLS::File {
746     public:
747 persson 1199 static const DLS::version_t VERSION_2;
748     static const DLS::version_t VERSION_3;
749    
750 schoenebeck 2 // derived attributes from DLS::Resource
751     DLS::Resource::pInfo;
752     DLS::Resource::pDLSID;
753     // derived attributes from DLS::File
754     DLS::File::pVersion;
755     DLS::File::Instruments;
756    
757     // derived methods from DLS::Resource
758     DLS::Resource::GetParent;
759 schoenebeck 809 // derived methods from DLS::File
760     DLS::File::Save;
761 schoenebeck 2274 DLS::File::GetFileName;
762 schoenebeck 2 // overridden methods
763 schoenebeck 809 File();
764 schoenebeck 2 File(RIFF::File* pRIFF);
765 schoenebeck 515 Sample* GetFirstSample(progress_t* pProgress = NULL); ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise.
766 schoenebeck 2 Sample* GetNextSample(); ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise.
767 schoenebeck 809 Sample* AddSample();
768     void DeleteSample(Sample* pSample);
769 schoenebeck 929 Instrument* GetFirstInstrument(); ///< Returns a pointer to the first <i>Instrument</i> object of the file, <i>NULL</i> otherwise.
770 schoenebeck 2 Instrument* GetNextInstrument(); ///< Returns a pointer to the next <i>Instrument</i> object of the file, <i>NULL</i> otherwise.
771 schoenebeck 515 Instrument* GetInstrument(uint index, progress_t* pProgress = NULL);
772 schoenebeck 809 Instrument* AddInstrument();
773     void DeleteInstrument(Instrument* pInstrument);
774 schoenebeck 929 Group* GetFirstGroup(); ///< Returns a pointer to the first <i>Group</i> object of the file, <i>NULL</i> otherwise.
775     Group* GetNextGroup(); ///< Returns a pointer to the next <i>Group</i> object of the file, <i>NULL</i> otherwise.
776     Group* GetGroup(uint index);
777     Group* AddGroup();
778     void DeleteGroup(Group* pGroup);
779 schoenebeck 1081 void DeleteGroupOnly(Group* pGroup);
780 schoenebeck 1524 void SetAutoLoad(bool b);
781     bool GetAutoLoad();
782 schoenebeck 929 virtual ~File();
783 schoenebeck 1098 virtual void UpdateChunks();
784 schoenebeck 2 protected:
785 schoenebeck 823 // overridden protected methods from DLS::File
786     virtual void LoadSamples();
787     virtual void LoadInstruments();
788 schoenebeck 929 virtual void LoadGroups();
789 schoenebeck 823 // own protected methods
790     virtual void LoadSamples(progress_t* pProgress);
791     virtual void LoadInstruments(progress_t* pProgress);
792 persson 1199 void SetSampleChecksum(Sample* pSample, uint32_t crc);
793 schoenebeck 2 friend class Region;
794 schoenebeck 929 friend class Sample;
795 schoenebeck 930 friend class Group; // so Group can access protected member pRIFF
796 schoenebeck 929 private:
797     std::list<Group*>* pGroups;
798     std::list<Group*>::iterator GroupsIterator;
799 schoenebeck 1524 bool bAutoLoad;
800 schoenebeck 2 };
801    
802 schoenebeck 1093 /**
803     * Will be thrown whenever a gig specific error occurs while trying to
804     * access a Gigasampler File. Note: In your application you should
805     * better catch for RIFF::Exception rather than this one, except you
806     * explicitly want to catch and handle gig::Exception, DLS::Exception
807     * and RIFF::Exception independently, which usually shouldn't be
808     * necessary though.
809     */
810 schoenebeck 2 class Exception : public DLS::Exception {
811     public:
812     Exception(String Message);
813     void PrintMessage();
814     };
815    
816 schoenebeck 518 String libraryName();
817     String libraryVersion();
818    
819 schoenebeck 2 } // namespace gig
820    
821     #endif // __GIG_H__

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