/[svn]/libgig/trunk/src/gig.h
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revision 2639 by schoenebeck, Mon Jun 16 13:22:50 2014 UTC revision 3723 by schoenebeck, Wed Jan 22 15:48:32 2020 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   libgig - C++ cross-platform Gigasampler format file access library    *   *   libgig - C++ cross-platform Gigasampler format file access library    *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003-2014 by Christian Schoenebeck                      *   *   Copyright (C) 2003-2020 by Christian Schoenebeck                      *
6   *                              <cuse@users.sourceforge.net>               *   *                              <cuse@users.sourceforge.net>               *
7   *                                                                         *   *                                                                         *
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  *
# Line 27  Line 27 
27  #include "DLS.h"  #include "DLS.h"
28  #include <vector>  #include <vector>
29    
30    #ifndef __has_feature
31    # define __has_feature(x) 0
32    #endif
33    #ifndef HAVE_RTTI
34    # if __GXX_RTTI || __has_feature(cxx_rtti) || _CPPRTTI
35    #  define HAVE_RTTI 1
36    # else
37    #  define HAVE_RTTI 0
38    # endif
39    #endif
40    #if HAVE_RTTI
41    # include <typeinfo>
42    #else
43    # warning No RTTI available!
44    #endif
45    
46  #if WORDS_BIGENDIAN  #if WORDS_BIGENDIAN
47  # define LIST_TYPE_3PRG 0x33707267  # define LIST_TYPE_3PRG 0x33707267
48  # define LIST_TYPE_3EWL 0x3365776C  # define LIST_TYPE_3EWL 0x3365776C
# Line 34  Line 50 
50  # define LIST_TYPE_3GNL 0x33676E6C  # define LIST_TYPE_3GNL 0x33676E6C
51  # define LIST_TYPE_3LS  0x334c5320 // own gig format extension  # define LIST_TYPE_3LS  0x334c5320 // own gig format extension
52  # define LIST_TYPE_RTIS 0x52544953 // own gig format extension  # define LIST_TYPE_RTIS 0x52544953 // own gig format extension
53    # define LIST_TYPE_3DNM 0x33646e6d
54  # define CHUNK_ID_3GIX  0x33676978  # define CHUNK_ID_3GIX  0x33676978
55  # define CHUNK_ID_3EWA  0x33657761  # define CHUNK_ID_3EWA  0x33657761
56  # define CHUNK_ID_3LNK  0x336C6E6B  # define CHUNK_ID_3LNK  0x336C6E6B
# Line 45  Line 62 
62  # define CHUNK_ID_SCRI  0x53637269 // own gig format extension  # define CHUNK_ID_SCRI  0x53637269 // own gig format extension
63  # define CHUNK_ID_LSNM  0x4c534e4d // own gig format extension  # define CHUNK_ID_LSNM  0x4c534e4d // own gig format extension
64  # define CHUNK_ID_SCSL  0x5343534c // own gig format extension  # define CHUNK_ID_SCSL  0x5343534c // own gig format extension
65    # define CHUNK_ID_LSDE  0x4c534445 // own gig format extension
66    # define CHUNK_ID_3DDP  0x33646470
67  #else  // little endian  #else  // little endian
68  # define LIST_TYPE_3PRG 0x67727033  # define LIST_TYPE_3PRG 0x67727033
69  # define LIST_TYPE_3EWL 0x6C776533  # define LIST_TYPE_3EWL 0x6C776533
# Line 52  Line 71 
71  # define LIST_TYPE_3GNL 0x6C6E6733  # define LIST_TYPE_3GNL 0x6C6E6733
72  # define LIST_TYPE_3LS  0x20534c33 // own gig format extension  # define LIST_TYPE_3LS  0x20534c33 // own gig format extension
73  # define LIST_TYPE_RTIS 0x53495452 // own gig format extension  # define LIST_TYPE_RTIS 0x53495452 // own gig format extension
74    # define LIST_TYPE_3DNM 0x6d6e6433
75  # define CHUNK_ID_3GIX  0x78696733  # define CHUNK_ID_3GIX  0x78696733
76  # define CHUNK_ID_3EWA  0x61776533  # define CHUNK_ID_3EWA  0x61776533
77  # define CHUNK_ID_3LNK  0x6B6E6C33  # define CHUNK_ID_3LNK  0x6B6E6C33
# Line 63  Line 83 
83  # define CHUNK_ID_SCRI  0x69726353 // own gig format extension  # define CHUNK_ID_SCRI  0x69726353 // own gig format extension
84  # define CHUNK_ID_LSNM  0x4d4e534c // own gig format extension  # define CHUNK_ID_LSNM  0x4d4e534c // own gig format extension
85  # define CHUNK_ID_SCSL  0x4c534353 // own gig format extension  # define CHUNK_ID_SCSL  0x4c534353 // own gig format extension
86    # define CHUNK_ID_LSDE  0x4544534c // own gig format extension
87    # define CHUNK_ID_3DDP  0x70646433
88  #endif // WORDS_BIGENDIAN  #endif // WORDS_BIGENDIAN
89    
90  /** Gigasampler specific classes and definitions */  #ifndef GIG_DECLARE_ENUM
91    # define GIG_DECLARE_ENUM(type, ...) enum type { __VA_ARGS__ }
92    #endif
93    
94    // just symbol prototyping (since Serialization.h not included by default here)
95    namespace Serialization { class Archive; }
96    
97    /** Gigasampler/GigaStudio specific classes and definitions */
98  namespace gig {  namespace gig {
99    
100      typedef std::string String;      typedef std::string String;
101        typedef RIFF::progress_t progress_t;
102        typedef RIFF::file_offset_t file_offset_t;
103    
104      /** Lower and upper limit of a range. */      /** Lower and upper limit of a range. */
105      struct range_t {      struct range_t {
# Line 79  namespace gig { Line 110  namespace gig {
110      /** Pointer address and size of a buffer. */      /** Pointer address and size of a buffer. */
111      struct buffer_t {      struct buffer_t {
112          void*         pStart;            ///< Points to the beginning of the buffer.          void*         pStart;            ///< Points to the beginning of the buffer.
113          unsigned long Size;              ///< Size of the actual data in the buffer in bytes.          file_offset_t Size;              ///< Size of the actual data in the buffer in bytes.
114          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. :)          file_offset_t 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. :)
115          buffer_t() {          buffer_t() {
116              pStart            = NULL;              pStart            = NULL;
117              Size              = 0;              Size              = 0;
# Line 88  namespace gig { Line 119  namespace gig {
119          }          }
120      };      };
121    
122      /** Standard types of sample loops. */      /** Standard types of sample loops.
123      typedef enum {       *
124          loop_type_normal        = 0x00000000,  ///< Loop forward (normal)       * @see enumCount(), enumKey(), enumKeys(), enumValue()
125          loop_type_bidirectional = 0x00000001,  ///< Alternating loop (forward/backward, also known as Ping Pong)       */
126          loop_type_backward      = 0x00000002   ///< Loop backward (reverse)      GIG_DECLARE_ENUM(loop_type_t,
127      } loop_type_t;          loop_type_normal        = 0x00000000,  /**< Loop forward (normal) */
128            loop_type_bidirectional = 0x00000001,  /**< Alternating loop (forward/backward, also known as Ping Pong) */
129      /** Society of Motion Pictures and Television E time format. */          loop_type_backward      = 0x00000002   /**< Loop backward (reverse) */
130      typedef enum {      );
131          smpte_format_no_offset          = 0x00000000,  ///< no SMPTE offset  
132          smpte_format_24_frames          = 0x00000018,  ///< 24 frames per second      /** Society of Motion Pictures and Television E time format.
133          smpte_format_25_frames          = 0x00000019,  ///< 25 frames per second       *
134          smpte_format_30_frames_dropping = 0x0000001D,  ///< 30 frames per second with frame dropping (30 drop)       * @see enumCount(), enumKey(), enumKeys(), enumValue()
135          smpte_format_30_frames          = 0x0000001E   ///< 30 frames per second       */
136      } smpte_format_t;      GIG_DECLARE_ENUM(smpte_format_t,
137            smpte_format_no_offset          = 0x00000000,  /**< no SMPTE offset */
138      /** Defines the shape of a function graph. */          smpte_format_24_frames          = 0x00000018,  /**< 24 frames per second */
139      typedef enum {          smpte_format_25_frames          = 0x00000019,  /**< 25 frames per second */
140          curve_type_nonlinear = 0,          smpte_format_30_frames_dropping = 0x0000001D,  /**< 30 frames per second with frame dropping (30 drop) */
141          curve_type_linear    = 1,          smpte_format_30_frames          = 0x0000001E   /**< 30 frames per second */
142          curve_type_special   = 2,      );
143          curve_type_unknown   = 0xffffffff  
144      } curve_type_t;      /** Defines the shape of a function graph.
145         *
146      /** Dimensions allow to bypass one of the following controllers. */       * @see enumCount(), enumKey(), enumKeys(), enumValue()
147      typedef enum {       */
148          dim_bypass_ctrl_none,      GIG_DECLARE_ENUM(curve_type_t,
149          dim_bypass_ctrl_94,   ///< Effect 4 Depth (MIDI Controller 94)          curve_type_nonlinear = 0,          /**< Non-linear curve type. */
150          dim_bypass_ctrl_95    ///< Effect 5 Depth (MIDI Controller 95)          curve_type_linear    = 1,          /**< Linear curve type. */
151      } dim_bypass_ctrl_t;          curve_type_special   = 2,          /**< Special curve type. */
152            curve_type_unknown   = 0xffffffff  /**< Unknown curve type. */
153      /** Defines how LFO3 is controlled by. */      );
154      typedef enum {  
155          lfo3_ctrl_internal            = 0x00, ///< Only internally controlled.      /** Defines the wave form type used by an LFO (gig format extension).
156          lfo3_ctrl_modwheel            = 0x01, ///< Only controlled by external modulation wheel.       *
157          lfo3_ctrl_aftertouch          = 0x02, ///< Only controlled by aftertouch controller.       * This is a gig format extension. The original Gigasampler/GigaStudio
158          lfo3_ctrl_internal_modwheel   = 0x03, ///< Controlled internally and by external modulation wheel.       * software always used a sine (sinus) wave form for all its 3 LFOs, so this
159          lfo3_ctrl_internal_aftertouch = 0x04  ///< Controlled internally and by aftertouch controller.       * was not configurable in the original gig format. Accordingly setting any
160      } lfo3_ctrl_t;       * other wave form than sine (sinus) will be ignored by the original
161         * Gigasampler/GigaStudio software.
162      /** Defines how LFO2 is controlled by. */       *
163      typedef enum {       * @see enumCount(), enumKey(), enumKeys(), enumValue()
164          lfo2_ctrl_internal            = 0x00, ///< Only internally controlled.       */
165          lfo2_ctrl_modwheel            = 0x01, ///< Only controlled by external modulation wheel.      GIG_DECLARE_ENUM(lfo_wave_t,
166          lfo2_ctrl_foot                = 0x02, ///< Only controlled by external foot controller.          lfo_wave_sine     = 0,  /**< Sine (sinus) wave form (this is the default wave form). */
167          lfo2_ctrl_internal_modwheel   = 0x03, ///< Controlled internally and by external modulation wheel.          lfo_wave_triangle = 1,  /**< Triangle wave form. */
168          lfo2_ctrl_internal_foot       = 0x04  ///< Controlled internally and by external foot controller.          lfo_wave_saw      = 2,  /**< Saw (up) wave form (saw down wave form can be achieved by flipping the phase). */
169      } lfo2_ctrl_t;          lfo_wave_square   = 3,  /**< Square wave form. */
170        );
171      /** Defines how LFO1 is controlled by. */  
172      typedef enum {      /** Dimensions allow to bypass one of the following controllers.
173          lfo1_ctrl_internal            = 0x00, ///< Only internally controlled.       *
174          lfo1_ctrl_modwheel            = 0x01, ///< Only controlled by external modulation wheel.       * @see enumCount(), enumKey(), enumKeys(), enumValue()
175          lfo1_ctrl_breath              = 0x02, ///< Only controlled by external breath controller.       */
176          lfo1_ctrl_internal_modwheel   = 0x03, ///< Controlled internally and by external modulation wheel.      GIG_DECLARE_ENUM(dim_bypass_ctrl_t,
177          lfo1_ctrl_internal_breath     = 0x04  ///< Controlled internally and by external breath controller.          dim_bypass_ctrl_none, /**< No controller bypass. */
178      } lfo1_ctrl_t;          dim_bypass_ctrl_94,   /**< Effect 4 Depth (MIDI Controller 94) */
179            dim_bypass_ctrl_95    /**< Effect 5 Depth (MIDI Controller 95) */
180      /** Defines how the filter cutoff frequency is controlled by. */      );
181      typedef enum {  
182          vcf_cutoff_ctrl_none         = 0x00,      /** Defines how LFO3 is controlled by.
183          vcf_cutoff_ctrl_none2        = 0x01,  ///< The difference between none and none2 is unknown       *
184          vcf_cutoff_ctrl_modwheel     = 0x81,  ///< Modulation Wheel (MIDI Controller 1)       * @see enumCount(), enumKey(), enumKeys(), enumValue()
185          vcf_cutoff_ctrl_effect1      = 0x8c,  ///< Effect Controller 1 (Coarse, MIDI Controller 12)       */
186          vcf_cutoff_ctrl_effect2      = 0x8d,  ///< Effect Controller 2 (Coarse, MIDI Controller 13)      GIG_DECLARE_ENUM(lfo3_ctrl_t,
187          vcf_cutoff_ctrl_breath       = 0x82,  ///< Breath Controller (Coarse, MIDI Controller 2)          lfo3_ctrl_internal            = 0x00, /**< Only internally controlled. */
188          vcf_cutoff_ctrl_foot         = 0x84,  ///< Foot Pedal (Coarse, MIDI Controller 4)          lfo3_ctrl_modwheel            = 0x01, /**< Only controlled by external modulation wheel. */
189          vcf_cutoff_ctrl_sustainpedal = 0xc0,  ///< Sustain Pedal (MIDI Controller 64)          lfo3_ctrl_aftertouch          = 0x02, /**< Only controlled by aftertouch controller. */
190          vcf_cutoff_ctrl_softpedal    = 0xc3,  ///< Soft Pedal (MIDI Controller 67)          lfo3_ctrl_internal_modwheel   = 0x03, /**< Controlled internally and by external modulation wheel. */
191          vcf_cutoff_ctrl_genpurpose7  = 0xd2,  ///< General Purpose Controller 7 (Button, MIDI Controller 82)          lfo3_ctrl_internal_aftertouch = 0x04  /**< Controlled internally and by aftertouch controller. */
192          vcf_cutoff_ctrl_genpurpose8  = 0xd3,  ///< General Purpose Controller 8 (Button, MIDI Controller 83)      );
193          vcf_cutoff_ctrl_aftertouch   = 0x80   ///< Key Pressure  
194      } vcf_cutoff_ctrl_t;      /** Defines how LFO2 is controlled by.
195         *
196      /** Defines how the filter resonance is controlled by. */       * @see enumCount(), enumKey(), enumKeys(), enumValue()
197      typedef enum {       */
198          vcf_res_ctrl_none        = 0xffffffff,      GIG_DECLARE_ENUM(lfo2_ctrl_t,
199          vcf_res_ctrl_genpurpose3 = 0,           ///< General Purpose Controller 3 (Slider, MIDI Controller 18)          lfo2_ctrl_internal            = 0x00, /**< Only internally controlled. */
200          vcf_res_ctrl_genpurpose4 = 1,           ///< General Purpose Controller 4 (Slider, MIDI Controller 19)          lfo2_ctrl_modwheel            = 0x01, /**< Only controlled by external modulation wheel. */
201          vcf_res_ctrl_genpurpose5 = 2,           ///< General Purpose Controller 5 (Button, MIDI Controller 80)          lfo2_ctrl_foot                = 0x02, /**< Only controlled by external foot controller. */
202          vcf_res_ctrl_genpurpose6 = 3            ///< General Purpose Controller 6 (Button, MIDI Controller 81)          lfo2_ctrl_internal_modwheel   = 0x03, /**< Controlled internally and by external modulation wheel. */
203      } vcf_res_ctrl_t;          lfo2_ctrl_internal_foot       = 0x04  /**< Controlled internally and by external foot controller. */
204        );
205    
206        /** Defines how LFO1 is controlled by.
207         *
208         * @see enumCount(), enumKey(), enumKeys(), enumValue()
209         */
210        GIG_DECLARE_ENUM(lfo1_ctrl_t,
211            lfo1_ctrl_internal            = 0x00, /**< Only internally controlled. */
212            lfo1_ctrl_modwheel            = 0x01, /**< Only controlled by external modulation wheel. */
213            lfo1_ctrl_breath              = 0x02, /**< Only controlled by external breath controller. */
214            lfo1_ctrl_internal_modwheel   = 0x03, /**< Controlled internally and by external modulation wheel. */
215            lfo1_ctrl_internal_breath     = 0x04  /**< Controlled internally and by external breath controller. */
216        );
217    
218        /** Defines how the filter cutoff frequency is controlled by.
219         *
220         * @see enumCount(), enumKey(), enumKeys(), enumValue()
221         */
222        GIG_DECLARE_ENUM(vcf_cutoff_ctrl_t,
223            vcf_cutoff_ctrl_none         = 0x00,  /**< No MIDI controller assigned for filter cutoff frequency. */
224            vcf_cutoff_ctrl_none2        = 0x01,  /**< The difference between none and none2 is unknown */
225            vcf_cutoff_ctrl_modwheel     = 0x81,  /**< Modulation Wheel (MIDI Controller 1) */
226            vcf_cutoff_ctrl_effect1      = 0x8c,  /**< Effect Controller 1 (Coarse, MIDI Controller 12) */
227            vcf_cutoff_ctrl_effect2      = 0x8d,  /**< Effect Controller 2 (Coarse, MIDI Controller 13) */
228            vcf_cutoff_ctrl_breath       = 0x82,  /**< Breath Controller (Coarse, MIDI Controller 2) */
229            vcf_cutoff_ctrl_foot         = 0x84,  /**< Foot Pedal (Coarse, MIDI Controller 4) */
230            vcf_cutoff_ctrl_sustainpedal = 0xc0,  /**< Sustain Pedal (MIDI Controller 64) */
231            vcf_cutoff_ctrl_softpedal    = 0xc3,  /**< Soft Pedal (MIDI Controller 67) */
232            vcf_cutoff_ctrl_genpurpose7  = 0xd2,  /**< General Purpose Controller 7 (Button, MIDI Controller 82) */
233            vcf_cutoff_ctrl_genpurpose8  = 0xd3,  /**< General Purpose Controller 8 (Button, MIDI Controller 83) */
234            vcf_cutoff_ctrl_aftertouch   = 0x80   /**< Key Pressure */
235        );
236    
237        /** Defines how the filter resonance is controlled by.
238         *
239         * @see enumCount(), enumKey(), enumKeys(), enumValue()
240         */
241        GIG_DECLARE_ENUM(vcf_res_ctrl_t,
242            vcf_res_ctrl_none        = 0xffffffff,  /**< No MIDI controller assigned for filter resonance. */
243            vcf_res_ctrl_genpurpose3 = 0,           /**< General Purpose Controller 3 (Slider, MIDI Controller 18) */
244            vcf_res_ctrl_genpurpose4 = 1,           /**< General Purpose Controller 4 (Slider, MIDI Controller 19) */
245            vcf_res_ctrl_genpurpose5 = 2,           /**< General Purpose Controller 5 (Button, MIDI Controller 80) */
246            vcf_res_ctrl_genpurpose6 = 3            /**< General Purpose Controller 6 (Button, MIDI Controller 81) */
247        );
248    
249      /**      /**
250       * Defines a controller that has a certain contrained influence on a       * Defines a controller that has a certain contrained influence on a
# Line 180  namespace gig { Line 255  namespace gig {
255       * attenuation_ctrl_t, eg1_ctrl_t or eg2_ctrl_t) in your code!       * attenuation_ctrl_t, eg1_ctrl_t or eg2_ctrl_t) in your code!
256       */       */
257      struct leverage_ctrl_t {      struct leverage_ctrl_t {
258          typedef enum {          /** Defines possible controllers.
259              type_none              = 0x00, ///< No controller defined           *
260              type_channelaftertouch = 0x2f, ///< Channel Key Pressure           * @see enumCount(), enumKey(), enumKeys(), enumValue()
261              type_velocity          = 0xff, ///< Key Velocity           */
262              type_controlchange     = 0xfe  ///< Ordinary MIDI control change controller, see field 'controller_number'          GIG_DECLARE_ENUM(type_t,
263          } type_t;              type_none              = 0x00, /**< No controller defined */
264                type_channelaftertouch = 0x2f, /**< Channel Key Pressure */
265                type_velocity          = 0xff, /**< Key Velocity */
266                type_controlchange     = 0xfe  /**< Ordinary MIDI control change controller, see field 'controller_number' */
267            );
268    
269          type_t type;              ///< Controller type          type_t type;              ///< Controller type
270          uint   controller_number; ///< MIDI controller number if this controller is a control change controller, 0 otherwise          uint   controller_number; ///< MIDI controller number if this controller is a control change controller, 0 otherwise
271    
272            void serialize(Serialization::Archive* archive);
273      };      };
274    
275      /**      /**
# Line 218  namespace gig { Line 299  namespace gig {
299       * dimension zones is always a power of two. All dimensions can have up       * dimension zones is always a power of two. All dimensions can have up
300       * to 32 zones (except the layer dimension with only up to 8 zones and       * to 32 zones (except the layer dimension with only up to 8 zones and
301       * the samplechannel dimension which currently allows only 2 zones).       * the samplechannel dimension which currently allows only 2 zones).
302         *
303         * @see enumCount(), enumKey(), enumKeys(), enumValue()
304       */       */
305      typedef enum {      GIG_DECLARE_ENUM(dimension_t,
306          dimension_none              = 0x00, ///< Dimension not in use.          dimension_none              = 0x00, /**< Dimension not in use. */
307          dimension_samplechannel     = 0x80, ///< If used sample has more than one channel (thus is not mono).          dimension_samplechannel     = 0x80, /**< If used sample has more than one channel (thus is not mono). */
308          dimension_layer             = 0x81, ///< For layering of up to 8 instruments (and eventually crossfading of 2 or 4 layers).          dimension_layer             = 0x81, /**< For layering of up to 8 instruments (and eventually crossfading of 2 or 4 layers). */
309          dimension_velocity          = 0x82, ///< Key Velocity (this is the only dimension in gig2 where the ranges can exactly be defined).          dimension_velocity          = 0x82, /**< Key Velocity (this is the only dimension in gig2 where the ranges can exactly be defined). */
310          dimension_channelaftertouch = 0x83, ///< Channel Key Pressure          dimension_channelaftertouch = 0x83, /**< Channel Key Pressure */
311          dimension_releasetrigger    = 0x84, ///< Special dimension for triggering samples on releasing a key.          dimension_releasetrigger    = 0x84, /**< Special dimension for triggering samples on releasing a key. */
312          dimension_keyboard          = 0x85, ///< Dimension for keyswitching          dimension_keyboard          = 0x85, /**< Dimension for keyswitching */
313          dimension_roundrobin        = 0x86, ///< Different samples triggered each time a note is played, dimension regions selected in sequence          dimension_roundrobin        = 0x86, /**< Different samples triggered each time a note is played, dimension regions selected in sequence */
314          dimension_random            = 0x87, ///< Different samples triggered each time a note is played, random order          dimension_random            = 0x87, /**< Different samples triggered each time a note is played, random order */
315          dimension_smartmidi         = 0x88, ///< For MIDI tools like legato and repetition mode          dimension_smartmidi         = 0x88, /**< For MIDI tools like legato and repetition mode */
316          dimension_roundrobinkeyboard = 0x89, ///< Different samples triggered each time a note is played, any key advances the counter          dimension_roundrobinkeyboard = 0x89, /**< Different samples triggered each time a note is played, any key advances the counter */
317          dimension_modwheel          = 0x01, ///< Modulation Wheel (MIDI Controller 1)          dimension_modwheel          = 0x01, /**< Modulation Wheel (MIDI Controller 1) */
318          dimension_breath            = 0x02, ///< Breath Controller (Coarse, MIDI Controller 2)          dimension_breath            = 0x02, /**< Breath Controller (Coarse, MIDI Controller 2) */
319          dimension_foot              = 0x04, ///< Foot Pedal (Coarse, MIDI Controller 4)          dimension_foot              = 0x04, /**< Foot Pedal (Coarse, MIDI Controller 4) */
320          dimension_portamentotime    = 0x05, ///< Portamento Time (Coarse, MIDI Controller 5)          dimension_portamentotime    = 0x05, /**< Portamento Time (Coarse, MIDI Controller 5) */
321          dimension_effect1           = 0x0c, ///< Effect Controller 1 (Coarse, MIDI Controller 12)          dimension_effect1           = 0x0c, /**< Effect Controller 1 (Coarse, MIDI Controller 12) */
322          dimension_effect2           = 0x0d, ///< Effect Controller 2 (Coarse, MIDI Controller 13)          dimension_effect2           = 0x0d, /**< Effect Controller 2 (Coarse, MIDI Controller 13) */
323          dimension_genpurpose1       = 0x10, ///< General Purpose Controller 1 (Slider, MIDI Controller 16)          dimension_genpurpose1       = 0x10, /**< General Purpose Controller 1 (Slider, MIDI Controller 16) */
324          dimension_genpurpose2       = 0x11, ///< General Purpose Controller 2 (Slider, MIDI Controller 17)          dimension_genpurpose2       = 0x11, /**< General Purpose Controller 2 (Slider, MIDI Controller 17) */
325          dimension_genpurpose3       = 0x12, ///< General Purpose Controller 3 (Slider, MIDI Controller 18)          dimension_genpurpose3       = 0x12, /**< General Purpose Controller 3 (Slider, MIDI Controller 18) */
326          dimension_genpurpose4       = 0x13, ///< General Purpose Controller 4 (Slider, MIDI Controller 19)          dimension_genpurpose4       = 0x13, /**< General Purpose Controller 4 (Slider, MIDI Controller 19) */
327          dimension_sustainpedal      = 0x40, ///< Sustain Pedal (MIDI Controller 64)          dimension_sustainpedal      = 0x40, /**< Sustain Pedal (MIDI Controller 64) */
328          dimension_portamento        = 0x41, ///< Portamento (MIDI Controller 65)          dimension_portamento        = 0x41, /**< Portamento (MIDI Controller 65) */
329          dimension_sostenutopedal    = 0x42, ///< Sostenuto Pedal (MIDI Controller 66)          dimension_sostenutopedal    = 0x42, /**< Sostenuto Pedal (MIDI Controller 66) */
330          dimension_softpedal         = 0x43, ///< Soft Pedal (MIDI Controller 67)          dimension_softpedal         = 0x43, /**< Soft Pedal (MIDI Controller 67) */
331          dimension_genpurpose5       = 0x30, ///< General Purpose Controller 5 (Button, MIDI Controller 80)          dimension_genpurpose5       = 0x30, /**< General Purpose Controller 5 (Button, MIDI Controller 80) */
332          dimension_genpurpose6       = 0x31, ///< General Purpose Controller 6 (Button, MIDI Controller 81)          dimension_genpurpose6       = 0x31, /**< General Purpose Controller 6 (Button, MIDI Controller 81) */
333          dimension_genpurpose7       = 0x32, ///< General Purpose Controller 7 (Button, MIDI Controller 82)          dimension_genpurpose7       = 0x32, /**< General Purpose Controller 7 (Button, MIDI Controller 82) */
334          dimension_genpurpose8       = 0x33, ///< General Purpose Controller 8 (Button, MIDI Controller 83)          dimension_genpurpose8       = 0x33, /**< General Purpose Controller 8 (Button, MIDI Controller 83) */
335          dimension_effect1depth      = 0x5b, ///< Effect 1 Depth (MIDI Controller 91)          dimension_effect1depth      = 0x5b, /**< Effect 1 Depth (MIDI Controller 91) */
336          dimension_effect2depth      = 0x5c, ///< Effect 2 Depth (MIDI Controller 92)          dimension_effect2depth      = 0x5c, /**< Effect 2 Depth (MIDI Controller 92) */
337          dimension_effect3depth      = 0x5d, ///< Effect 3 Depth (MIDI Controller 93)          dimension_effect3depth      = 0x5d, /**< Effect 3 Depth (MIDI Controller 93) */
338          dimension_effect4depth      = 0x5e, ///< Effect 4 Depth (MIDI Controller 94)          dimension_effect4depth      = 0x5e, /**< Effect 4 Depth (MIDI Controller 94) */
339          dimension_effect5depth      = 0x5f  ///< Effect 5 Depth (MIDI Controller 95)          dimension_effect5depth      = 0x5f  /**< Effect 5 Depth (MIDI Controller 95) */
340      } dimension_t;      );
341    
342      /**      /**
343       * Intended for internal usage: will be used to convert a dimension value       * Intended for internal usage: will be used to convert a dimension value
344       * into the corresponding dimension bit number.       * into the corresponding dimension bit number.
345         *
346         * @see enumCount(), enumKey(), enumKeys(), enumValue()
347       */       */
348      typedef enum {      GIG_DECLARE_ENUM(split_type_t,
349          split_type_normal,         ///< dimension value between 0-127          split_type_normal,         /**< dimension value between 0-127 */
350          split_type_bit             ///< dimension values are already the sought bit number          split_type_bit             /**< dimension values are already the sought bit number */
351      } split_type_t;      );
352    
353      /** General dimension definition. */      /** General dimension definition. */
354      struct dimension_def_t {      struct dimension_def_t {
# Line 274  namespace gig { Line 359  namespace gig {
359          float        zone_size;  ///< Intended for internal usage: reflects the size of each zone (128/zones) for normal split types only, 0 otherwise.          float        zone_size;  ///< Intended for internal usage: reflects the size of each zone (128/zones) for normal split types only, 0 otherwise.
360      };      };
361    
362      /** Defines which frequencies are filtered by the VCF. */      /** Audio filter types.
363      typedef enum {       *
364          vcf_type_lowpass      = 0x00,       * The first 5 filter types are the ones which exist in GigaStudio, and
365          vcf_type_lowpassturbo = 0xff, ///< More poles than normal lowpass       * which are very accurately modeled on LinuxSampler side such that they
366          vcf_type_bandpass     = 0x01,       * would sound with LinuxSampler exactly as with GigaStudio.
367          vcf_type_highpass     = 0x02,       *
368          vcf_type_bandreject   = 0x03       * The other filter types listed here are extensions to the gig format and
369      } vcf_type_t;       * are LinuxSampler specific filter type implementations. Note that none of
370         * these are duplicates of the GigaStudio filter types. For instance
371         * @c vcf_type_lowpass (GigaStudio) and @c vcf_type_lowpass_2p
372         * (LinuxSampler) are both lowpass filters with 2 poles, however they do
373         * sound differently.
374         *
375         * @see enumCount(), enumKey(), enumKeys(), enumValue()
376         */
377        GIG_DECLARE_ENUM(vcf_type_t,
378            vcf_type_lowpass       = 0x00, /**< Standard lowpass filter type (GigaStudio). */
379            vcf_type_lowpassturbo  = 0xff, /**< More poles than normal lowpass (GigaStudio). */
380            vcf_type_bandpass      = 0x01, /**< Bandpass filter type (GigaStudio). */
381            vcf_type_highpass      = 0x02, /**< Highpass filter type (GigaStudio). */
382            vcf_type_bandreject    = 0x03, /**< Band reject filter type (GigaStudio). */
383            vcf_type_lowpass_1p    = 0x11, /**< [gig extension]: 1-pole lowpass filter type (LinuxSampler). */
384            vcf_type_lowpass_2p    = 0x12, /**< [gig extension]: 2-pole lowpass filter type (LinuxSampler). */
385            vcf_type_lowpass_4p    = 0x14, /**< [gig extension]: 4-pole lowpass filter type (LinuxSampler). */
386            vcf_type_lowpass_6p    = 0x16, /**< [gig extension]: 6-pole lowpass filter type (LinuxSampler). */
387            vcf_type_highpass_1p   = 0x21, /**< [gig extension]: 1-pole highpass filter type (LinuxSampler). */
388            vcf_type_highpass_2p   = 0x22, /**< [gig extension]: 2-pole highpass filter type (LinuxSampler). */
389            vcf_type_highpass_4p   = 0x24, /**< [gig extension]: 4-pole highpass filter type (LinuxSampler). */
390            vcf_type_highpass_6p   = 0x26, /**< [gig extension]: 6-pole highpass filter type (LinuxSampler). */
391            vcf_type_bandpass_2p   = 0x32, /**< [gig extension]: 2-pole bandpass filter type (LinuxSampler). */
392            vcf_type_bandreject_2p = 0x42  /**< [gig extension]: 2-pole bandreject filter type (LinuxSampler). */
393        );
394    
395      /**      /**
396       * Defines the envelope of a crossfade.       * Defines the envelope of a crossfade.
# Line 302  namespace gig { Line 411  namespace gig {
411          uint8_t out_start;  ///< Start position of fade out.          uint8_t out_start;  ///< Start position of fade out.
412          uint8_t out_end;    ///< End postition of fade out.          uint8_t out_end;    ///< End postition of fade out.
413          #endif // WORDS_BIGENDIAN          #endif // WORDS_BIGENDIAN
414    
415            void serialize(Serialization::Archive* archive);
416      };      };
417    
418      /** Reflects the current playback state for a sample. */      /** Reflects the current playback state for a sample. */
419      struct playback_state_t {      struct playback_state_t {
420          unsigned long position;          ///< Current position within the sample.          file_offset_t position;          ///< Current position within the sample.
421          bool          reverse;           ///< If playback direction is currently backwards (in case there is a pingpong or reverse loop defined).          bool          reverse;           ///< If playback direction is currently backwards (in case there is a pingpong or reverse loop defined).
422          unsigned long loop_cycles_left;  ///< How many times the loop has still to be passed, this value will be decremented with each loop cycle.          file_offset_t loop_cycles_left;  ///< How many times the loop has still to be passed, this value will be decremented with each loop cycle.
423      };      };
424    
425      /**      /**
426       * @brief Used for indicating the progress of a certain task.       * Defines behavior options for envelope generators (gig format extension).
427         *
428         * These options allow to override the precise default behavior of the
429         * envelope generators' state machines.
430         *
431         * @b Note: These EG options are an extension to the original gig file
432         * format, so these options are not available with the original
433         * Gigasampler/GigaStudio software! Currently only LinuxSampler and gigedit
434         * support these EG options!
435       *       *
436       * The function pointer argument has to be supplied with a valid       * Adding these options to the original gig file format was necessary,
437       * function of the given signature which will then be called on       * because the precise state machine behavior of envelope generators of the
438       * progress changes. An equivalent progress_t structure will be passed       * gig format (and thus the default EG behavior if not explicitly overridden
439       * back as argument to the callback function on each progress change.       * here) deviates from common, expected behavior of envelope generators in
440       * The factor field of the supplied progress_t structure will then       * general, if i.e. compared with EGs of hardware synthesizers. For example
441       * reflect the current progress as value between 0.0 and 1.0. You might       * with the gig format, the attack and decay stages will be aborted as soon
442       * want to use the custom field for data needed in your callback       * as a note-off is received. Most other EG implementations in the industry
443       * function.       * however always run the attack and decay stages to their full duration,
444       */       * even if an early note-off arrives. The latter behavior is intentionally
445      struct progress_t {       * implemented in most other products, because it is required to resemble
446          void (*callback)(progress_t*); ///< Callback function pointer which has to be assigned to a function for progress notification.       * percussive sounds in a realistic manner.
447          float factor;                  ///< Reflects current progress as value between 0.0 and 1.0.       */
448          void* custom;                  ///< This pointer can be used for arbitrary data.      struct eg_opt_t {
449          float __range_min;             ///< Only for internal usage, do not modify!          bool AttackCancel;     ///< Whether the "attack" stage is cancelled when receiving a note-off (default: @c true).
450          float __range_max;             ///< Only for internal usage, do not modify!          bool AttackHoldCancel; ///< Whether the "attack hold" stage is cancelled when receiving a note-off (default: @c true).
451          progress_t();          bool Decay1Cancel;     ///< Whether the "decay 1" stage is cancelled when receiving a note-off (default: @c true).
452            bool Decay2Cancel;     ///< Whether the "decay 2" stage is cancelled when receiving a note-off (default: @c true).
453            bool ReleaseCancel;    ///< Whether the "release" stage is cancelled when receiving a note-on (default: @c true).
454    
455            eg_opt_t();
456            void serialize(Serialization::Archive* archive);
457      };      };
458    
459        /** @brief Defines behaviour of release triggered sample(s) on sustain pedal up event.
460         *
461         * This option defines whether a sustain pedal up event (CC#64) would cause
462         * release triggered samples to be played (if any).
463         *
464         * @b Note: This option is an extension to the original gig file format,
465         * so this option is not available with the original Gigasampler/GigaStudio
466         * software! Currently only LinuxSampler and gigedit support this option!
467         *
468         * By default (which equals the original Gigasampler/GigaStudio behaviour)
469         * no release triggered samples are played if the sustain pedal is released.
470         * So usually in the gig format release triggered samples are only played
471         * on MIDI note-off events.
472         *
473         * @see enumCount(), enumKey(), enumKeys(), enumValue()
474         */
475        GIG_DECLARE_ENUM(sust_rel_trg_t,
476            sust_rel_trg_none        = 0x00, /**< No release triggered sample(s) are played on sustain pedal up (default). */
477            sust_rel_trg_maxvelocity = 0x01, /**< Play release trigger sample(s) on sustain pedal up, and simply use 127 as MIDI velocity for playback. */
478            sust_rel_trg_keyvelocity = 0x02  /**< Play release trigger sample(s) on sustain pedal up, and use the key`s last MIDI note-on velocity for playback. */
479        );
480    
481      // just symbol prototyping      // just symbol prototyping
482      class File;      class File;
483      class Instrument;      class Instrument;
# Line 341  namespace gig { Line 487  namespace gig {
487      class Script;      class Script;
488      class ScriptGroup;      class ScriptGroup;
489    
490      /** @brief Encapsulates articulation information of a dimension region.      /** @brief Encapsulates articulation informations of a dimension region.
491         *
492         * This is the most important data object of the Gigasampler / GigaStudio
493         * format. A DimensionRegion provides the link to the sample to be played
494         * and all required articulation informations to be interpreted for playing
495         * back the sample and processing it appropriately by the sampler software.
496         * Every Region of a Gigasampler Instrument has at least one dimension
497         * region (exactly then when the Region has no dimension defined). Many
498         * Regions though provide more than one DimensionRegion, which reflect
499         * different playing "cases". For example a different sample might be played
500         * if a certain pedal is pressed down, or if the note was triggered with
501         * different velocity.
502       *       *
503       *  Every Gigasampler Instrument has at least one dimension region       * One instance of a DimensionRegion reflects exactly one particular case
504       *  (exactly then when it has no dimension defined).       * while playing an instrument (for instance "note between C3 and E3 was
505         * triggered AND note on velocity was between 20 and 42 AND modulation wheel
506         * controller is between 80 and 127). The DimensionRegion defines what to do
507         * under that one particular case, that is which sample to play back and how
508         * to play that sample back exactly and how to process it. So a
509         * DimensionRegion object is always linked to exactly one sample. It may
510         * however also link to no sample at all, for defining a "silence" case
511         * where nothing shall be played (for example when note on velocity was
512         * below 6).
513       *       *
514       *  Gigasampler provides three Envelope Generators and Low Frequency       * Note that a DimensionRegion object only defines "what to do", but it does
515       *  Oscillators:       * not define "when to do it". To actually resolve which DimensionRegion to
516         * pick under which situation, you need to refer to the DimensionRegions'
517         * parent Region object. The Region object contains the necessary
518         * "Dimension" definitions, which in turn define which DimensionRegion is
519         * associated with which playing case exactly.
520         *
521         * The Gigasampler/GigaStudio format defines 3 Envelope Generators and 3
522         * Low Frequency Oscillators:
523       *       *
524       *  - EG1 and LFO1, both controlling sample amplitude       *  - EG1 and LFO1, both controlling sample amplitude
525       *  - EG2 and LFO2, both controlling filter cutoff frequency       *  - EG2 and LFO2, both controlling filter cutoff frequency
526       *  - EG3 and LFO3, both controlling sample pitch       *  - EG3 and LFO3, both controlling sample pitch
527         *
528         * Since the gig format was designed as extension to the DLS file format,
529         * this class is derived from the DLS::Sampler class. So also refer to
530         * DLS::Sampler for additional informations, class attributes and methods.
531       */       */
532      class DimensionRegion : protected DLS::Sampler {      class DimensionRegion : protected DLS::Sampler {
533          public:          public:
# Line 371  namespace gig { Line 547  namespace gig {
547              uint8_t            EG1ControllerAttackInfluence;  ///< Amount EG1 Controller has influence on the EG1 Attack time (0 - 3, where 0 means off).              uint8_t            EG1ControllerAttackInfluence;  ///< Amount EG1 Controller has influence on the EG1 Attack time (0 - 3, where 0 means off).
548              uint8_t            EG1ControllerDecayInfluence;   ///< Amount EG1 Controller has influence on the EG1 Decay time (0 - 3, where 0 means off).              uint8_t            EG1ControllerDecayInfluence;   ///< Amount EG1 Controller has influence on the EG1 Decay time (0 - 3, where 0 means off).
549              uint8_t            EG1ControllerReleaseInfluence; ///< Amount EG1 Controller has influence on the EG1 Release time (0 - 3, where 0 means off).              uint8_t            EG1ControllerReleaseInfluence; ///< Amount EG1 Controller has influence on the EG1 Release time (0 - 3, where 0 means off).
550                lfo_wave_t         LFO1WaveForm;                  ///< [gig extension]: The fundamental wave form to be used by the amplitude LFO, e.g. sine, triangle, saw, square (default: sine).
551              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).
552                double             LFO1Phase;                     ///< [gig extension]: Phase displacement of the amplitude LFO's wave form (0.0° - 360.0°).
553              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).
554              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).
555              lfo1_ctrl_t        LFO1Controller;                ///< MIDI Controller which controls sample amplitude LFO.              lfo1_ctrl_t        LFO1Controller;                ///< MIDI Controller which controls sample amplitude LFO.
556              bool               LFO1FlipPhase;                 ///< Inverts phase of the sample amplitude LFO wave.              bool               LFO1FlipPhase;                 ///< Inverts the polarity of the sample amplitude LFO wave, so it flips the wave form vertically.
557              bool               LFO1Sync;                      ///< If set to <i>true</i> only one LFO should be used for all voices.              bool               LFO1Sync;                      ///< If set to <i>true</i> only one LFO should be used for all voices.
558              // Filter Cutoff Frequency EG/LFO              // Filter Cutoff Frequency EG/LFO
559              uint16_t           EG2PreAttack;                  ///< Preattack value of the filter cutoff EG (0 - 1000 permille).              uint16_t           EG2PreAttack;                  ///< Preattack value of the filter cutoff EG (0 - 1000 permille).
# Line 390  namespace gig { Line 568  namespace gig {
568              uint8_t            EG2ControllerAttackInfluence;  ///< Amount EG2 Controller has influence on the EG2 Attack time (0 - 3, where 0 means off).              uint8_t            EG2ControllerAttackInfluence;  ///< Amount EG2 Controller has influence on the EG2 Attack time (0 - 3, where 0 means off).
569              uint8_t            EG2ControllerDecayInfluence;   ///< Amount EG2 Controller has influence on the EG2 Decay time (0 - 3, where 0 means off).              uint8_t            EG2ControllerDecayInfluence;   ///< Amount EG2 Controller has influence on the EG2 Decay time (0 - 3, where 0 means off).
570              uint8_t            EG2ControllerReleaseInfluence; ///< Amount EG2 Controller has influence on the EG2 Release time (0 - 3, where 0 means off).              uint8_t            EG2ControllerReleaseInfluence; ///< Amount EG2 Controller has influence on the EG2 Release time (0 - 3, where 0 means off).
571                lfo_wave_t         LFO2WaveForm;                  ///< [gig extension]: The fundamental wave form to be used by the filter cutoff LFO, e.g. sine, triangle, saw, square (default: sine).
572              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).
573                double             LFO2Phase;                     ///< [gig extension]: Phase displacement of the filter cutoff LFO's wave form (0.0° - 360.0°).
574              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).
575              uint16_t           LFO2ControlDepth;              ///< Controller depth influencing filter cutoff LFO pitch (0 - 1200).              uint16_t           LFO2ControlDepth;              ///< Controller depth influencing filter cutoff LFO pitch (0 - 1200).
576              lfo2_ctrl_t        LFO2Controller;                ///< MIDI Controlle which controls the filter cutoff LFO.              lfo2_ctrl_t        LFO2Controller;                ///< MIDI Controlle which controls the filter cutoff LFO.
577              bool               LFO2FlipPhase;                 ///< Inverts phase of the filter cutoff LFO wave.              bool               LFO2FlipPhase;                 ///< Inverts the polarity of the filter cutoff LFO wave, so it flips the wave form vertically.
578              bool               LFO2Sync;                      ///< If set to <i>true</i> only one LFO should be used for all voices.              bool               LFO2Sync;                      ///< If set to <i>true</i> only one LFO should be used for all voices.
579              // Sample Pitch EG/LFO              // Sample Pitch EG/LFO
580              double             EG3Attack;                     ///< Attack time of the sample pitch EG (0.000 - 10.000s).              double             EG3Attack;                     ///< Attack time of the sample pitch EG (0.000 - 10.000s).
581              int16_t            EG3Depth;                      ///< Depth of the sample pitch EG (-1200 - +1200).              int16_t            EG3Depth;                      ///< Depth of the sample pitch EG (-1200 - +1200).
582                lfo_wave_t         LFO3WaveForm;                  ///< [gig extension]: The fundamental wave form to be used by the pitch LFO, e.g. sine, triangle, saw, square (default: sine).
583              double             LFO3Frequency;                 ///< Frequency of the sample pitch LFO (0.10 - 10.00 Hz).              double             LFO3Frequency;                 ///< Frequency of the sample pitch LFO (0.10 - 10.00 Hz).
584                double             LFO3Phase;                     ///< [gig extension]: Phase displacement of the pitch LFO's wave form (0.0° - 360.0°).
585              int16_t            LFO3InternalDepth;             ///< Firm depth of the sample pitch LFO (-1200 - +1200 cents).              int16_t            LFO3InternalDepth;             ///< Firm depth of the sample pitch LFO (-1200 - +1200 cents).
586              int16_t            LFO3ControlDepth;              ///< Controller depth of the sample pitch LFO (-1200 - +1200 cents).              int16_t            LFO3ControlDepth;              ///< Controller depth of the sample pitch LFO (-1200 - +1200 cents).
587              lfo3_ctrl_t        LFO3Controller;                ///< MIDI Controller which controls the sample pitch LFO.              lfo3_ctrl_t        LFO3Controller;                ///< MIDI Controller which controls the sample pitch LFO.
588                bool               LFO3FlipPhase;                 ///< [gig extension]: Inverts the polarity of the pitch LFO wave, so it flips the wave form vertically (@b NOTE: this setting for LFO3 is a gig format extension; flipping the polarity was only available for LFO1 and LFO2 in the original Gigasampler/GigaStudio software).
589              bool               LFO3Sync;                      ///< If set to <i>true</i> only one LFO should be used for all voices.              bool               LFO3Sync;                      ///< If set to <i>true</i> only one LFO should be used for all voices.
590              // Filter              // Filter
591              bool               VCFEnabled;                    ///< If filter should be used.              bool               VCFEnabled;                    ///< If filter should be used.
# Line 440  namespace gig { Line 623  namespace gig {
623              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).
624              double             SampleAttenuation;             ///< Sample volume (calculated from DLS::Sampler::Gain)              double             SampleAttenuation;             ///< Sample volume (calculated from DLS::Sampler::Gain)
625              uint8_t            DimensionUpperLimits[8];       ///< gig3: defines the upper limit of the dimension values for this dimension region. In case you wondered why this is defined on DimensionRegion level and not on Region level: the zone sizes (upper limits) of the velocity dimension can indeed differ in the individual dimension regions, depending on which zones of the other dimension types are currently selected. So this is exceptional for the velocity dimension only. All other dimension types have the same dimension zone sizes for every single DimensionRegion (of the sample Region).              uint8_t            DimensionUpperLimits[8];       ///< gig3: defines the upper limit of the dimension values for this dimension region. In case you wondered why this is defined on DimensionRegion level and not on Region level: the zone sizes (upper limits) of the velocity dimension can indeed differ in the individual dimension regions, depending on which zones of the other dimension types are currently selected. So this is exceptional for the velocity dimension only. All other dimension types have the same dimension zone sizes for every single DimensionRegion (of the sample Region).
626                eg_opt_t           EG1Options;                    ///< [gig extension]: Behavior options which should be used for envelope generator 1 (volume amplitude EG).
627                eg_opt_t           EG2Options;                    ///< [gig extension]: Behavior options which should be used for envelope generator 2 (filter cutoff EG).
628                sust_rel_trg_t     SustainReleaseTrigger;         ///< [gig extension]: Whether a sustain pedal up event shall play release trigger sample.
629                bool               NoNoteOffReleaseTrigger;       ///< [gig extension]: If @c true then don't play a release trigger sample on MIDI note-off events.
630    
631              // derived attributes from DLS::Sampler              // derived attributes from DLS::Sampler
632              using DLS::Sampler::UnityNote;              using DLS::Sampler::UnityNote;
# Line 466  namespace gig { Line 653  namespace gig {
653              using DLS::Sampler::AddSampleLoop;              using DLS::Sampler::AddSampleLoop;
654              using DLS::Sampler::DeleteSampleLoop;              using DLS::Sampler::DeleteSampleLoop;
655              // overridden methods              // overridden methods
656              virtual void SetGain(int32_t gain);              virtual void SetGain(int32_t gain) OVERRIDE;
657              virtual void UpdateChunks();              virtual void UpdateChunks(progress_t* pProgress) OVERRIDE;
658              virtual void CopyAssign(const DimensionRegion* orig);              virtual void CopyAssign(const DimensionRegion* orig);
659          protected:          protected:
660              uint8_t* VelocityTable; ///< For velocity dimensions with custom defined zone ranges only: used for fast converting from velocity MIDI value to dimension bit number.              uint8_t* VelocityTable; ///< For velocity dimensions with custom defined zone ranges only: used for fast converting from velocity MIDI value to dimension bit number.
# Line 475  namespace gig { Line 662  namespace gig {
662              DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src);              DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src);
663             ~DimensionRegion();             ~DimensionRegion();
664              void CopyAssign(const DimensionRegion* orig, const std::map<Sample*,Sample*>* mSamples);              void CopyAssign(const DimensionRegion* orig, const std::map<Sample*,Sample*>* mSamples);
665                void serialize(Serialization::Archive* archive);
666              friend class Region;              friend class Region;
667                friend class Serialization::Archive;
668          private:          private:
669              typedef enum { ///< Used to decode attenuation, EG1 and EG2 controller              typedef enum { ///< Used to decode attenuation, EG1 and EG2 controller
670                  // official leverage controllers as they were defined in the original Gigasampler/GigaStudio format:                  // official leverage controllers as they were defined in the original Gigasampler/GigaStudio format:
# Line 578  namespace gig { Line 767  namespace gig {
767              } _lev_ctrl_t;              } _lev_ctrl_t;
768              typedef std::map<uint32_t, double*> VelocityTableMap;              typedef std::map<uint32_t, double*> VelocityTableMap;
769    
770              static uint              Instances;                  ///< Number of DimensionRegion instances.              static size_t            Instances;                  ///< Number of DimensionRegion instances.
771              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).
772              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.
773              double*                  pVelocityReleaseTable;      ///< Points to the velocity table corresponding to the release velocity parameters of this DimensionRegion              double*                  pVelocityReleaseTable;      ///< Points to the velocity table corresponding to the release velocity parameters of this DimensionRegion
# Line 591  namespace gig { Line 780  namespace gig {
780              double* GetCutoffVelocityTable(curve_type_t vcfVelocityCurve, uint8_t vcfVelocityDynamicRange, uint8_t vcfVelocityScale, vcf_cutoff_ctrl_t vcfCutoffController);              double* GetCutoffVelocityTable(curve_type_t vcfVelocityCurve, uint8_t vcfVelocityDynamicRange, uint8_t vcfVelocityScale, vcf_cutoff_ctrl_t vcfCutoffController);
781              double* GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling);              double* GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling);
782              double* CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling);              double* CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling);
783                bool UsesAnyGigFormatExtension() const;
784      };      };
785    
786      /** @brief Encapsulates sample waves used for playback.      /** @brief Encapsulates sample waves of Gigasampler/GigaStudio files used for playback.
787         *
788         * This class provides access to the actual audio sample data of a
789         * Gigasampler/GigaStudio file. Along to the actual sample data, it also
790         * provides access to the sample's meta informations like bit depth,
791         * sample rate, encoding type, but also loop informations. The latter may be
792         * used by instruments for resembling sounds with arbitary note lengths.
793       *       *
794       * In case you created a new sample with File::AddSample(), you should       * In case you created a new sample with File::AddSample(), you should
795       * first update all attributes with the desired meta informations       * first update all attributes with the desired meta informations
# Line 607  namespace gig { Line 803  namespace gig {
803       * retrieved from the respective DimensionRegon instead from the Sample       * retrieved from the respective DimensionRegon instead from the Sample
804       * itself. This was made for allowing different loop definitions for the       * itself. This was made for allowing different loop definitions for the
805       * same sample under different conditions.       * same sample under different conditions.
806         *
807         * Since the gig format was designed as extension to the DLS file format,
808         * this class is derived from the DLS::Sample class. So also refer to
809         * DLS::Sample for additional informations, class attributes and methods.
810       */       */
811      class Sample : public DLS::Sample {      class Sample : public DLS::Sample {
812          public:          public:
# Line 631  namespace gig { Line 831  namespace gig {
831    
832              // own methods              // own methods
833              buffer_t      LoadSampleData();              buffer_t      LoadSampleData();
834              buffer_t      LoadSampleData(unsigned long SampleCount);              buffer_t      LoadSampleData(file_offset_t SampleCount);
835              buffer_t      LoadSampleDataWithNullSamplesExtension(uint NullSamplesCount);              buffer_t      LoadSampleDataWithNullSamplesExtension(uint NullSamplesCount);
836              buffer_t      LoadSampleDataWithNullSamplesExtension(unsigned long SampleCount, uint NullSamplesCount);              buffer_t      LoadSampleDataWithNullSamplesExtension(file_offset_t SampleCount, uint NullSamplesCount);
837              buffer_t      GetCache();              buffer_t      GetCache();
838              // own static methods              // own static methods
839              static buffer_t CreateDecompressionBuffer(unsigned long MaxReadSize);              static buffer_t CreateDecompressionBuffer(file_offset_t MaxReadSize);
840              static void     DestroyDecompressionBuffer(buffer_t& DecompressionBuffer);              static void     DestroyDecompressionBuffer(buffer_t& DecompressionBuffer);
841              // overridden methods              // overridden methods
842              void          ReleaseSampleData();              void          ReleaseSampleData();
843              void          Resize(int iNewSize);              void          Resize(file_offset_t NewSize);
844              unsigned long SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start);              file_offset_t SetPos(file_offset_t SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start);
845              unsigned long GetPos() const;              file_offset_t GetPos() const;
846              unsigned long Read(void* pBuffer, unsigned long SampleCount, buffer_t* pExternalDecompressionBuffer = NULL);              file_offset_t Read(void* pBuffer, file_offset_t SampleCount, buffer_t* pExternalDecompressionBuffer = NULL);
847              unsigned long ReadAndLoop(void* pBuffer, unsigned long SampleCount, playback_state_t* pPlaybackState, DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer = NULL);              file_offset_t ReadAndLoop(void* pBuffer, file_offset_t SampleCount, playback_state_t* pPlaybackState, DimensionRegion* pDimRgn, buffer_t* pExternalDecompressionBuffer = NULL);
848              unsigned long Write(void* pBuffer, unsigned long SampleCount);              file_offset_t Write(void* pBuffer, file_offset_t SampleCount);
849              Group*        GetGroup() const;              Group*        GetGroup() const;
850              virtual void  UpdateChunks();              virtual void  UpdateChunks(progress_t* pProgress) OVERRIDE;
851              void CopyAssignMeta(const Sample* orig);              void CopyAssignMeta(const Sample* orig);
852              void CopyAssignWave(const Sample* orig);              void CopyAssignWave(const Sample* orig);
853                uint32_t GetWaveDataCRC32Checksum();
854                bool VerifyWaveData(uint32_t* pActually = NULL);
855          protected:          protected:
856              static unsigned int  Instances;               ///< Number of instances of class Sample.              static size_t        Instances;               ///< Number of instances of class Sample.
857              static buffer_t      InternalDecompressionBuffer; ///< Buffer used for decompression as well as for truncation of 24 Bit -> 16 Bit samples.              static buffer_t      InternalDecompressionBuffer; ///< Buffer used for decompression as well as for truncation of 24 Bit -> 16 Bit samples.
858              Group*               pGroup;                  ///< pointer to the Group this sample belongs to (always not-NULL)              Group*               pGroup;                  ///< pointer to the Group this sample belongs to (always not-NULL)
859              unsigned long        FrameOffset;             ///< Current offset (sample points) in current sample frame (for decompression only).              file_offset_t        FrameOffset;             ///< Current offset (sample points) in current sample frame (for decompression only).
860              unsigned long*       FrameTable;              ///< For positioning within compressed samples only: stores the offset values for each frame.              file_offset_t*       FrameTable;              ///< For positioning within compressed samples only: stores the offset values for each frame.
861              unsigned long        SamplePos;               ///< For compressed samples only: stores the current position (in sample points).              file_offset_t        SamplePos;               ///< For compressed samples only: stores the current position (in sample points).
862              unsigned long        SamplesInLastFrame;      ///< For compressed samples only: length of the last sample frame.              file_offset_t        SamplesInLastFrame;      ///< For compressed samples only: length of the last sample frame.
863              unsigned long        WorstCaseFrameSize;      ///< For compressed samples only: size (in bytes) of the largest possible sample frame.              file_offset_t        WorstCaseFrameSize;      ///< For compressed samples only: size (in bytes) of the largest possible sample frame.
864              unsigned long        SamplesPerFrame;         ///< For compressed samples only: number of samples in a full sample frame.              file_offset_t        SamplesPerFrame;         ///< For compressed samples only: number of samples in a full sample frame.
865              buffer_t             RAMCache;                ///< Buffers samples (already uncompressed) in RAM.              buffer_t             RAMCache;                ///< Buffers samples (already uncompressed) in RAM.
866              unsigned long        FileNo;                  ///< File number (> 0 when sample is stored in an extension file, 0 when it's in the gig)              unsigned long        FileNo;                  ///< File number (> 0 when sample is stored in an extension file, 0 when it's in the gig)
867              RIFF::Chunk*         pCk3gix;              RIFF::Chunk*         pCk3gix;
868              RIFF::Chunk*         pCkSmpl;              RIFF::Chunk*         pCkSmpl;
869              uint32_t             crc;                     ///< CRC-32 checksum of the raw sample data              uint32_t             crc;                     ///< Reflects CRC-32 checksum of the raw sample data at the last time when the sample's raw wave form data has been modified consciously by the user by calling Write().
870    
871              Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo = 0);              Sample(File* pFile, RIFF::List* waveList, file_offset_t WavePoolOffset, unsigned long fileNo = 0, int index = -1);
872             ~Sample();             ~Sample();
873                uint32_t CalculateWaveDataChecksum();
874    
875              // Guess size (in bytes) of a compressed sample              // Guess size (in bytes) of a compressed sample
876              inline unsigned long GuessSize(unsigned long samples) {              inline file_offset_t GuessSize(file_offset_t samples) {
877                  // 16 bit: assume all frames are compressed - 1 byte                  // 16 bit: assume all frames are compressed - 1 byte
878                  // per sample and 5 bytes header per 2048 samples                  // per sample and 5 bytes header per 2048 samples
879    
880                  // 24 bit: assume next best compression rate - 1.5                  // 24 bit: assume next best compression rate - 1.5
881                  // bytes per sample and 13 bytes header per 256                  // bytes per sample and 13 bytes header per 256
882                  // samples                  // samples
883                  const unsigned long size =                  const file_offset_t size =
884                      BitDepth == 24 ? samples + (samples >> 1) + (samples >> 8) * 13                      BitDepth == 24 ? samples + (samples >> 1) + (samples >> 8) * 13
885                                     : samples + (samples >> 10) * 5;                                     : samples + (samples >> 10) * 5;
886                  // Double for stereo and add one worst case sample                  // Double for stereo and add one worst case sample
# Line 687  namespace gig { Line 890  namespace gig {
890    
891              // Worst case amount of sample points that can be read with the              // Worst case amount of sample points that can be read with the
892              // given decompression buffer.              // given decompression buffer.
893              inline unsigned long WorstCaseMaxSamples(buffer_t* pDecompressionBuffer) {              inline file_offset_t WorstCaseMaxSamples(buffer_t* pDecompressionBuffer) {
894                  return (unsigned long) ((float)pDecompressionBuffer->Size / (float)WorstCaseFrameSize * (float)SamplesPerFrame);                  return (file_offset_t) ((float)pDecompressionBuffer->Size / (float)WorstCaseFrameSize * (float)SamplesPerFrame);
895              }              }
896          private:          private:
897              void ScanCompressedSample();              void ScanCompressedSample();
# Line 698  namespace gig { Line 901  namespace gig {
901      };      };
902    
903      // TODO: <3dnl> list not used yet - not important though (just contains optional descriptions for the dimensions)      // TODO: <3dnl> list not used yet - not important though (just contains optional descriptions for the dimensions)
904      /** @brief Defines Region information of an Instrument.      /** @brief Defines Region information of a Gigasampler/GigaStudio instrument.
905       *       *
906       * A Region reflects a consecutive area on the keyboard. The individual       * A Region reflects a consecutive area (key range) on the keyboard. The
907       * regions in the gig format may not overlap with other regions (of the same       * individual regions in the gig format may not overlap with other regions
908       * instrument). Further, in the gig format a Region is merely a container       * (of the same instrument that is). Further, in the gig format a Region is
909       * for DimensionRegions (a.k.a. "Cases"). The Region itself does not provide       * merely a container for DimensionRegions (a.k.a. "Cases"). The Region
910       * the sample mapping or articulation informations used, even though the       * itself does not provide the sample mapping or articulation informations
911       * data structures indeed provide such informations. The latter is however       * used, even though the data structures of regions indeed provide such
912       * just of historical nature, because the gig format was derived from the       * informations. The latter is however just of historical nature, because
913       * DLS format.       * the gig file format was derived from the DLS file format.
914       *       *
915       * Each Region consists of at least one or more DimensionRegions. The actual       * Each Region consists of at least one or more DimensionRegions. The actual
916       * amount of DimensionRegions depends on which kind of "dimensions" are       * amount of DimensionRegions depends on which kind of "dimensions" are
917       * defined for this region, and on the split / zone amount for each of those       * defined for this region, and on the split / zone amount for each of those
918       * dimensions.       * dimensions.
919         *
920         * Since the gig format was designed as extension to the DLS file format,
921         * this class is derived from the DLS::Region class. So also refer to
922         * DLS::Region for additional informations, class attributes and methods.
923       */       */
924      class Region : public DLS::Region {      class Region : public DLS::Region {
925          public:          public:
# Line 734  namespace gig { Line 941  namespace gig {
941              void             SplitDimensionZone(dimension_t type, int zone);              void             SplitDimensionZone(dimension_t type, int zone);
942              void             SetDimensionType(dimension_t oldType, dimension_t newType);              void             SetDimensionType(dimension_t oldType, dimension_t newType);
943              // overridden methods              // overridden methods
944              virtual void     SetKeyRange(uint16_t Low, uint16_t High);              virtual void     SetKeyRange(uint16_t Low, uint16_t High) OVERRIDE;
945              virtual void     UpdateChunks();              virtual void     UpdateChunks(progress_t* pProgress) OVERRIDE;
946              virtual void     CopyAssign(const Region* orig);              virtual void     CopyAssign(const Region* orig);
947          protected:          protected:
948              Region(Instrument* pInstrument, RIFF::List* rgnList);              Region(Instrument* pInstrument, RIFF::List* rgnList);
# Line 746  namespace gig { Line 953  namespace gig {
953              DimensionRegion* GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase);              DimensionRegion* GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase);
954             ~Region();             ~Region();
955              friend class Instrument;              friend class Instrument;
956            private:
957                bool UsesAnyGigFormatExtension() const;
958      };      };
959    
960      /** Abstract base class for all MIDI rules. */      /** @brief Abstract base class for all MIDI rules.
961         *
962         * Note: Instead of using MIDI rules, we recommend you using real-time
963         * instrument scripts instead. Read about the reasons below.
964         *
965         * MIDI Rules (also called "iMIDI rules" or "intelligent MIDI rules") were
966         * introduced with GigaStudio 4 as an attempt to increase the power of
967         * potential user controls over sounds. At that point other samplers already
968         * supported certain powerful user control features, which were not possible
969         * with GigaStudio yet. For example triggering new notes by MIDI CC
970         * controller.
971         *
972         * Such extended features however were usually implemented by other samplers
973         * by requiring the sound designer to write an instrument script which the
974         * designer would then bundle with the respective instrument file. Such
975         * scripts are essentially text files, using a very specific programming
976         * language for the purpose of controlling the sampler in real-time. Since
977         * however musicians are not typically keen to writing such cumbersome
978         * script files, the GigaStudio designers decided to implement such extended
979         * features completely without instrument scripts. Instead they created a
980         * set of rules, which could be defined and altered conveniently by mouse
981         * clicks in GSt's instrument editor application. The downside of this
982         * overall approach however, was that those MIDI rules were very limited in
983         * practice. As sound designer you easily came across the possiblities such
984         * MIDI rules were able to offer.
985         *
986         * Due to such severe use case constraints, support for MIDI rules is quite
987         * limited in libgig. At the moment only the "Control Trigger", "Alternator"
988         * and the "Legato" MIDI rules are supported by libgig. Consequently the
989         * graphical instrument editor application gigedit just supports the
990         * "Control Trigger" and "Legato" MIDI rules, and LinuxSampler even does not
991         * support any MIDI rule type at all and LinuxSampler probably will not
992         * support MIDI rules in future either.
993         *
994         * Instead of using MIDI rules, we introduced real-time instrument scripts
995         * as extension to the original GigaStudio file format. This script based
996         * solution is much more powerful than MIDI rules and is already supported
997         * by libgig, gigedit and LinuxSampler.
998         *
999         * @deprecated Just provided for backward compatiblity, use Script for new
1000         *             instruments instead.
1001         */
1002      class MidiRule {      class MidiRule {
1003          public:          public:
1004              virtual ~MidiRule() { }              virtual ~MidiRule() { }
# Line 757  namespace gig { Line 1007  namespace gig {
1007              friend class Instrument;              friend class Instrument;
1008      };      };
1009    
1010      /** MIDI rule for triggering notes by control change events. */      /** @brief MIDI rule for triggering notes by control change events.
1011         *
1012         * A "Control Trigger MIDI rule" allows to trigger new notes by sending MIDI
1013         * control change events to the sampler.
1014         *
1015         * Note: "Control Trigger" MIDI rules are only supported by gigedit, but not
1016         * by LinuxSampler. We recommend you using real-time instrument scripts
1017         * instead. Read more about the details and reasons for this in the
1018         * description of the MidiRule base class.
1019         *
1020         * @deprecated Just provided for backward compatiblity, use Script for new
1021         *             instruments instead. See description of MidiRule for details.
1022         */
1023      class MidiRuleCtrlTrigger : public MidiRule {      class MidiRuleCtrlTrigger : public MidiRule {
1024          public:          public:
1025              uint8_t ControllerNumber;   ///< MIDI controller number.              uint8_t ControllerNumber;   ///< MIDI controller number.
# Line 775  namespace gig { Line 1037  namespace gig {
1037          protected:          protected:
1038              MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg);              MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg);
1039              MidiRuleCtrlTrigger();              MidiRuleCtrlTrigger();
1040              void UpdateChunks(uint8_t* pData) const;              void UpdateChunks(uint8_t* pData) const OVERRIDE;
1041              friend class Instrument;              friend class Instrument;
1042      };      };
1043    
1044      /** MIDI rule for instruments with legato samples. */      /** @brief MIDI rule for instruments with legato samples.
1045         *
1046         * A "Legato MIDI rule" allows playing instruments resembling the legato
1047         * playing technique. In the past such legato articulations were tried to be
1048         * simulated by pitching the samples of the instrument. However since
1049         * usually a high amount of pitch is needed for legatos, this always sounded
1050         * very artificial and unrealistic. The "Legato MIDI rule" thus uses another
1051         * approach. Instead of pitching the samples, it allows the sound designer
1052         * to bundle separate, additional samples for the individual legato
1053         * situations and the legato rules defined which samples to be played in
1054         * which situation.
1055         *
1056         * Note: "Legato MIDI rules" are only supported by gigedit, but not
1057         * by LinuxSampler. We recommend you using real-time instrument scripts
1058         * instead. Read more about the details and reasons for this in the
1059         * description of the MidiRule base class.
1060         *
1061         * @deprecated Just provided for backward compatiblity, use Script for new
1062         *             instruments instead. See description of MidiRule for details.
1063         */
1064      class MidiRuleLegato : public MidiRule {      class MidiRuleLegato : public MidiRule {
1065          public:          public:
1066              uint8_t LegatoSamples;     ///< Number of legato samples per key in each direction (always 12)              uint8_t LegatoSamples;     ///< Number of legato samples per key in each direction (always 12)
# Line 796  namespace gig { Line 1077  namespace gig {
1077          protected:          protected:
1078              MidiRuleLegato(RIFF::Chunk* _3ewg);              MidiRuleLegato(RIFF::Chunk* _3ewg);
1079              MidiRuleLegato();              MidiRuleLegato();
1080              void UpdateChunks(uint8_t* pData) const;              void UpdateChunks(uint8_t* pData) const OVERRIDE;
1081              friend class Instrument;              friend class Instrument;
1082      };      };
1083    
1084      /** MIDI rule to automatically cycle through specified sequences of different articulations. The instrument must be using the smartmidi dimension. */      /** @brief MIDI rule to automatically cycle through specified sequences of different articulations.
1085         *
1086         * The instrument must be using the smartmidi dimension.
1087         *
1088         * Note: "Alternator" MIDI rules are neither supported by gigedit nor by
1089         * LinuxSampler. We recommend you using real-time instrument scripts
1090         * instead. Read more about the details and reasons for this in the
1091         * description of the MidiRule base class.
1092         *
1093         * @deprecated Just provided for backward compatiblity, use Script for new
1094         *             instruments instead. See description of MidiRule for details.
1095         */
1096      class MidiRuleAlternator : public MidiRule {      class MidiRuleAlternator : public MidiRule {
1097          public:          public:
1098              uint8_t Articulations;     ///< Number of articulations in the instrument              uint8_t Articulations;     ///< Number of articulations in the instrument
# Line 837  namespace gig { Line 1129  namespace gig {
1129          protected:          protected:
1130              MidiRuleAlternator(RIFF::Chunk* _3ewg);              MidiRuleAlternator(RIFF::Chunk* _3ewg);
1131              MidiRuleAlternator();              MidiRuleAlternator();
1132              void UpdateChunks(uint8_t* pData) const;              void UpdateChunks(uint8_t* pData) const OVERRIDE;
1133              friend class Instrument;              friend class Instrument;
1134      };      };
1135    
1136      /** A MIDI rule not yet implemented by libgig. */      /** @brief A MIDI rule not yet implemented by libgig.
1137         *
1138         * This class is currently used as a place holder by libgig for MIDI rule
1139         * types which are not supported by libgig yet.
1140         *
1141         * Note: Support for missing MIDI rule types are probably never added to
1142         * libgig. We recommend you using real-time instrument scripts instead.
1143         * Read more about the details and reasons for this in the description of
1144         * the MidiRule base class.
1145         *
1146         * @deprecated Just provided for backward compatiblity, use Script for new
1147         *             instruments instead. See description of MidiRule for details.
1148         */
1149      class MidiRuleUnknown : public MidiRule {      class MidiRuleUnknown : public MidiRule {
1150          protected:          protected:
1151              MidiRuleUnknown() { }              MidiRuleUnknown() { }
1152              void UpdateChunks(uint8_t* pData) const { }              void UpdateChunks(uint8_t* pData) const OVERRIDE { }
1153              friend class Instrument;              friend class Instrument;
1154      };      };
1155    
# Line 858  namespace gig { Line 1162  namespace gig {
1162       *       *
1163       * This is an extension of the GigaStudio format, thus a feature which was       * This is an extension of the GigaStudio format, thus a feature which was
1164       * not available in the GigaStudio 4 software. It is currently only       * not available in the GigaStudio 4 software. It is currently only
1165       * supported by LinuxSampler and gigedit.       * supported by LinuxSampler and gigedit. Scripts will not load with the
1166         * original GigaStudio software.
1167         *
1168         * You find more informations about Instrument Scripts on the LinuxSampler
1169         * documentation site:
1170         *
1171         * - <a href="http://doc.linuxsampler.org/Instrument_Scripts/">About Instrument Scripts in General</a>
1172         * - <a href="http://doc.linuxsampler.org/Instrument_Scripts/NKSP_Language">Introduction to the NKSP Script Language</a>
1173         * - <a href="http://doc.linuxsampler.org/Instrument_Scripts/NKSP_Language/Reference/">NKSP Reference Manual</a>
1174         * - <a href="http://doc.linuxsampler.org/Gigedit/Managing_Scripts">Using Instrument Scripts with Gigedit</a>
1175       */       */
1176      class Script {      class Script : protected DLS::Storage {
1177          public:          public:
1178              enum Encoding_t {              enum Encoding_t {
1179                  ENCODING_ASCII = 0 ///< Standard 8 bit US ASCII character encoding (default).                  ENCODING_ASCII = 0 ///< Standard 8 bit US ASCII character encoding (default).
# Line 869  namespace gig { Line 1182  namespace gig {
1182                  COMPRESSION_NONE = 0 ///< Is not compressed at all (default).                  COMPRESSION_NONE = 0 ///< Is not compressed at all (default).
1183              };              };
1184              enum Language_t {              enum Language_t {
1185                  LANGUAGE_NKSP = 0 ///< NKSP stands for "Is Not KSP" (default).                  LANGUAGE_NKSP = 0 ///< NKSP stands for "Is Not KSP" (default). Refer to the <a href="http://doc.linuxsampler.org/Instrument_Scripts/NKSP_Language/Reference/">NKSP Reference Manual</a> for details about this script language.
1186              };              };
1187    
1188              String         Name;        ///< Arbitrary name of the script, which may be displayed i.e. in an instrument editor.              String         Name;        ///< Arbitrary name of the script, which may be displayed i.e. in an instrument editor.
# Line 877  namespace gig { Line 1190  namespace gig {
1190              Encoding_t     Encoding;    ///< Format the script's source code text is encoded with.              Encoding_t     Encoding;    ///< Format the script's source code text is encoded with.
1191              Language_t     Language;    ///< Programming language and dialect the script is written in.              Language_t     Language;    ///< Programming language and dialect the script is written in.
1192              bool           Bypass;      ///< Global bypass: if enabled, this script shall not be executed by the sampler for any instrument.              bool           Bypass;      ///< Global bypass: if enabled, this script shall not be executed by the sampler for any instrument.
1193                uint8_t        Uuid[16];    ///< Persistent Universally Unique Identifier of this script, which remains identical after any changes to this script.
1194    
1195              String GetScriptAsText();              String GetScriptAsText();
1196              void   SetScriptAsText(const String& text);              void   SetScriptAsText(const String& text);
1197              void   SetGroup(ScriptGroup* pGroup);              void   SetGroup(ScriptGroup* pGroup);
1198              ScriptGroup* GetGroup() const;              ScriptGroup* GetGroup() const;
1199                void   CopyAssign(const Script* orig);
1200          protected:          protected:
1201              Script(ScriptGroup* group, RIFF::Chunk* ckScri);              Script(ScriptGroup* group, RIFF::Chunk* ckScri);
1202              virtual ~Script();              virtual ~Script();
1203              void UpdateChunks();              void UpdateChunks(progress_t* pProgress) OVERRIDE;
1204                void DeleteChunks() OVERRIDE;
1205              void RemoveAllScriptReferences();              void RemoveAllScriptReferences();
1206                void GenerateUuid();
1207              friend class ScriptGroup;              friend class ScriptGroup;
1208              friend class Instrument;              friend class Instrument;
1209          private:          private:
# Line 907  namespace gig { Line 1224  namespace gig {
1224       * not available in the GigaStudio 4 software. It is currently only       * not available in the GigaStudio 4 software. It is currently only
1225       * supported by LinuxSampler and gigedit.       * supported by LinuxSampler and gigedit.
1226       */       */
1227      class ScriptGroup {      class ScriptGroup : protected DLS::Storage {
1228          public:          public:
1229              String   Name; ///< Name of this script group. For example to be displayed in an instrument editor.              String   Name; ///< Name of this script group. For example to be displayed in an instrument editor.
1230    
# Line 918  namespace gig { Line 1235  namespace gig {
1235              ScriptGroup(File* file, RIFF::List* lstRTIS);              ScriptGroup(File* file, RIFF::List* lstRTIS);
1236              virtual ~ScriptGroup();              virtual ~ScriptGroup();
1237              void LoadScripts();              void LoadScripts();
1238              void UpdateChunks();              virtual void UpdateChunks(progress_t* pProgress) OVERRIDE;
1239                virtual void DeleteChunks() OVERRIDE;
1240              friend class Script;              friend class Script;
1241              friend class File;              friend class File;
1242          private:          private:
# Line 927  namespace gig { Line 1245  namespace gig {
1245              std::list<Script*>*  pScripts;              std::list<Script*>*  pScripts;
1246      };      };
1247    
1248      /** Provides all neccessary information for the synthesis of an <i>Instrument</i>. */      /** @brief Provides access to a Gigasampler/GigaStudio instrument.
1249         *
1250         * This class provides access to Gigasampler/GigaStudio instruments
1251         * contained in .gig files. A gig instrument is merely a set of keyboard
1252         * ranges (called Region), plus some additional global informations about
1253         * the instrument. The major part of the actual instrument definition used
1254         * for the synthesis of the instrument is contained in the respective Region
1255         * object (or actually in the respective DimensionRegion object being, see
1256         * description of Region for details).
1257         *
1258         * Since the gig format was designed as extension to the DLS file format,
1259         * this class is derived from the DLS::Instrument class. So also refer to
1260         * DLS::Instrument for additional informations, class attributes and
1261         * methods.
1262         */
1263      class Instrument : protected DLS::Instrument {      class Instrument : protected DLS::Instrument {
1264          public:          public:
1265              // derived attributes from DLS::Resource              // derived attributes from DLS::Resource
# Line 956  namespace gig { Line 1288  namespace gig {
1288              Region*   GetNextRegion();              Region*   GetNextRegion();
1289              Region*   AddRegion();              Region*   AddRegion();
1290              void      DeleteRegion(Region* pRegion);              void      DeleteRegion(Region* pRegion);
1291              virtual void UpdateChunks();              void      MoveTo(Instrument* dst);
1292                virtual void UpdateChunks(progress_t* pProgress) OVERRIDE;
1293              virtual void CopyAssign(const Instrument* orig);              virtual void CopyAssign(const Instrument* orig);
1294              // own methods              // own methods
1295              Region*   GetRegion(unsigned int Key);              Region*   GetRegion(unsigned int Key);
# Line 997  namespace gig { Line 1330  namespace gig {
1330              MidiRule** pMidiRules;              MidiRule** pMidiRules;
1331              std::vector<_ScriptPooolEntry> scriptPoolFileOffsets;              std::vector<_ScriptPooolEntry> scriptPoolFileOffsets;
1332              std::vector<_ScriptPooolRef>* pScriptRefs;              std::vector<_ScriptPooolRef>* pScriptRefs;
1333    
1334                bool UsesAnyGigFormatExtension() const;
1335      };      };
1336    
1337      /** @brief Group of Gigasampler objects      /** @brief Group of Gigasampler samples
1338       *       *
1339       * Groups help to organize a huge collection of Gigasampler objects.       * Groups help to organize a huge collection of Gigasampler samples.
1340       * Groups are not concerned at all for the synthesis, but they help       * Groups are not concerned at all for the synthesis, but they help
1341       * sound library developers when working on complex instruments with an       * sound library developers when working on complex instruments with an
1342       * instrument editor (as long as that instrument editor supports it ;-).       * instrument editor (as long as that instrument editor supports it ;-).
1343       *       *
      * At the moment, it seems as only samples can be grouped together in  
      * the Gigasampler format yet. If this is false in the meantime, please  
      * tell us !  
      *  
1344       * A sample is always assigned to exactly one Group. This also means       * A sample is always assigned to exactly one Group. This also means
1345       * there is always at least one Group in a .gig file, no matter if you       * there is always at least one Group in a .gig file, no matter if you
1346       * created one yet or not.       * created one yet or not.
1347       */       */
1348      class Group {      class Group : public DLS::Storage {
1349          public:          public:
1350              String Name; ///< Stores the name of this Group.              String Name; ///< Stores the name of this Group.
1351    
# Line 1024  namespace gig { Line 1355  namespace gig {
1355          protected:          protected:
1356              Group(File* file, RIFF::Chunk* ck3gnm);              Group(File* file, RIFF::Chunk* ck3gnm);
1357              virtual ~Group();              virtual ~Group();
1358              virtual void UpdateChunks();              virtual void UpdateChunks(progress_t* pProgress) OVERRIDE;
1359                virtual void DeleteChunks() OVERRIDE;
1360              void MoveAll();              void MoveAll();
1361              friend class File;              friend class File;
1362          private:          private:
# Line 1032  namespace gig { Line 1364  namespace gig {
1364              RIFF::Chunk* pNameChunk; ///< '3gnm' chunk              RIFF::Chunk* pNameChunk; ///< '3gnm' chunk
1365      };      };
1366    
1367      /** Parses Gigasampler files and provides abstract access to the data. */      /** @brief Provides convenient access to Gigasampler/GigaStudio .gig files.
1368         *
1369         * This is the entry class for accesing a Gigasampler/GigaStudio (.gig) file
1370         * with libgig. It allows you to open existing .gig files, modifying them
1371         * and saving them persistently either under the same file name or under a
1372         * different location.
1373         *
1374         * A .gig file is merely a monolithic file. That means samples and the
1375         * defintion of the virtual instruments are contained in the same file. A
1376         * .gig file contains an arbitrary amount of samples, and an arbitrary
1377         * amount of instruments which are referencing those samples. It is also
1378         * possible to store samples in .gig files not being referenced by any
1379         * instrument. This is not an error from the file format's point of view and
1380         * it is actually often used in practice during the design phase of new gig
1381         * instruments.
1382         *
1383         * So on toplevel of the gig file format you have:
1384         *
1385         * - A set of samples (see Sample).
1386         * - A set of virtual instruments (see Instrument).
1387         *
1388         * And as extension to the original GigaStudio format, we added:
1389         *
1390         * - Real-time instrument scripts (see Script).
1391         *
1392         * Note that the latter however is only supported by libgig, gigedit and
1393         * LinuxSampler. Scripts are not supported by the original GigaStudio
1394         * software.
1395         *
1396         * All released Gigasampler/GigaStudio file format versions are supported
1397         * (so from first Gigasampler version up to including GigaStudio 4).
1398         *
1399         * Since the gig format was designed as extension to the DLS file format,
1400         * this class is derived from the DLS::File class. So also refer to
1401         * DLS::File for additional informations, class attributes and methods.
1402         */
1403      class File : protected DLS::File {      class File : protected DLS::File {
1404          public:          public:
1405              static const DLS::version_t VERSION_2;              static const DLS::version_t VERSION_2;
1406              static const DLS::version_t VERSION_3;              static const DLS::version_t VERSION_3;
1407                static const DLS::version_t VERSION_4;
1408    
1409              // derived attributes from DLS::Resource              // derived attributes from DLS::Resource
1410              using DLS::Resource::pInfo;              using DLS::Resource::pInfo;
# Line 1051  namespace gig { Line 1419  namespace gig {
1419              using DLS::File::Save;              using DLS::File::Save;
1420              using DLS::File::GetFileName;              using DLS::File::GetFileName;
1421              using DLS::File::SetFileName;              using DLS::File::SetFileName;
1422                using DLS::File::GetRiffFile;
1423              // overridden  methods              // overridden  methods
1424              File();              File();
1425              File(RIFF::File* pRIFF);              File(RIFF::File* pRIFF);
# Line 1058  namespace gig { Line 1427  namespace gig {
1427              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.
1428              Sample*     GetSample(uint index);              Sample*     GetSample(uint index);
1429              Sample*     AddSample();              Sample*     AddSample();
1430                size_t      CountSamples();
1431              void        DeleteSample(Sample* pSample);              void        DeleteSample(Sample* pSample);
1432              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.
1433              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.
1434              Instrument* GetInstrument(uint index, progress_t* pProgress = NULL);              Instrument* GetInstrument(uint index, progress_t* pProgress = NULL);
1435              Instrument* AddInstrument();              Instrument* AddInstrument();
1436              Instrument* AddDuplicateInstrument(const Instrument* orig);              Instrument* AddDuplicateInstrument(const Instrument* orig);
1437                size_t      CountInstruments();
1438              void        DeleteInstrument(Instrument* pInstrument);              void        DeleteInstrument(Instrument* pInstrument);
1439              Group*      GetFirstGroup(); ///< Returns a pointer to the first <i>Group</i> object of the file, <i>NULL</i> otherwise.              Group*      GetFirstGroup(); ///< Returns a pointer to the first <i>Group</i> object of the file, <i>NULL</i> otherwise.
1440              Group*      GetNextGroup();  ///< Returns a pointer to the next <i>Group</i> object of the file, <i>NULL</i> otherwise.              Group*      GetNextGroup();  ///< Returns a pointer to the next <i>Group</i> object of the file, <i>NULL</i> otherwise.
# Line 1080  namespace gig { Line 1451  namespace gig {
1451              ScriptGroup* AddScriptGroup();              ScriptGroup* AddScriptGroup();
1452              void        DeleteScriptGroup(ScriptGroup* pGroup);              void        DeleteScriptGroup(ScriptGroup* pGroup);
1453              virtual    ~File();              virtual    ~File();
1454              virtual void UpdateChunks();              virtual void UpdateChunks(progress_t* pProgress) OVERRIDE;
1455          protected:          protected:
1456              // overridden protected methods from DLS::File              // overridden protected methods from DLS::File
1457              virtual void LoadSamples();              virtual void LoadSamples() OVERRIDE;
1458              virtual void LoadInstruments();              virtual void LoadInstruments() OVERRIDE;
1459              virtual void LoadGroups();              virtual void LoadGroups();
1460              virtual void UpdateFileOffsets();              virtual void UpdateFileOffsets() OVERRIDE;
1461              // own protected methods              // own protected methods
1462              virtual void LoadSamples(progress_t* pProgress);              virtual void LoadSamples(progress_t* pProgress);
1463              virtual void LoadInstruments(progress_t* pProgress);              virtual void LoadInstruments(progress_t* pProgress);
1464              virtual void LoadScriptGroups();              virtual void LoadScriptGroups();
1465              void SetSampleChecksum(Sample* pSample, uint32_t crc);              void SetSampleChecksum(Sample* pSample, uint32_t crc);
1466                uint32_t GetSampleChecksum(Sample* pSample);
1467                uint32_t GetSampleChecksumByIndex(int index);
1468                bool VerifySampleChecksumTable();
1469                bool RebuildSampleChecksumTable();
1470                int  GetWaveTableIndexOf(gig::Sample* pSample);
1471              friend class Region;              friend class Region;
1472              friend class Sample;              friend class Sample;
1473                friend class Instrument;
1474              friend class Group; // so Group can access protected member pRIFF              friend class Group; // so Group can access protected member pRIFF
1475              friend class ScriptGroup; // so ScriptGroup can access protected member pRIFF              friend class ScriptGroup; // so ScriptGroup can access protected member pRIFF
1476          private:          private:
# Line 1101  namespace gig { Line 1478  namespace gig {
1478              std::list<Group*>::iterator GroupsIterator;              std::list<Group*>::iterator GroupsIterator;
1479              bool                        bAutoLoad;              bool                        bAutoLoad;
1480              std::list<ScriptGroup*>*    pScriptGroups;              std::list<ScriptGroup*>*    pScriptGroups;
1481    
1482                bool UsesAnyGigFormatExtension() const;
1483      };      };
1484    
1485      /**      /**
# Line 1113  namespace gig { Line 1492  namespace gig {
1492       */       */
1493      class Exception : public DLS::Exception {      class Exception : public DLS::Exception {
1494          public:          public:
1495              Exception(String Message);              Exception(String format, ...);
1496                Exception(String format, va_list arg);
1497              void PrintMessage();              void PrintMessage();
1498            protected:
1499                Exception();
1500      };      };
1501    
1502    #if HAVE_RTTI
1503        size_t enumCount(const std::type_info& type);
1504        const char* enumKey(const std::type_info& type, size_t value);
1505        bool        enumKey(const std::type_info& type, String key);
1506        const char** enumKeys(const std::type_info& type);
1507    #endif // HAVE_RTTI
1508        size_t enumCount(String typeName);
1509        const char* enumKey(String typeName, size_t value);
1510        bool        enumKey(String typeName, String key);
1511        const char** enumKeys(String typeName);
1512        size_t enumValue(String key);
1513    
1514      String libraryName();      String libraryName();
1515      String libraryVersion();      String libraryVersion();
1516    

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