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revision 3015 by schoenebeck, Tue Oct 18 20:13:08 2016 UTC revision 3967 by schoenebeck, Sun Jun 20 11:09:30 2021 UTC
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1  Version SVN trunk (?)  Version SVN trunk (?)
2    
3      * GigaStudio/Gigasampler format engine:
4        - Use libgig's new IO-per-thread feature to avoid file I/O concurrency
5          issues with .gig file.
6        - Use libgig's new method gig::File::GetSample() with method
7          gig::File::CountSamples() instead of now deprecated
8          gig::File::GetFirstSample() / gig::File::GetNextSample() pair.
9        - Use libgig's new method gig::Instrument::GetRegionAt() with method
10          gig::Instrument:CountRegions() instead of now deprecated
11          gig::Instrument::GetFirstRegion() / gig::Instrument::GetNextRegion() pair.
12        - Use libgig's gig::File::GetInstrument() method with method
13          gig::File::CountInstruments() instead of now deprecated
14          gig::File::GetFirstInstrument() / gig::File::GetNextInstrument() pair.
15    
16    Version 2.2.0 (9 May 2021)
17    
18      * general changes:
19        - Fixed compiler error in Pool.h.
20        - Require C++14 compiler support.
21        - Autoconf: Added m4/ax_cxx_compile_stdcxx.m4 macro which is used
22          for checking in configure for C++14 support (as mandatory
23          requirement) and automatically adds compiler argument if required
24          (e.g. -std=C++14).
25        - RTMath: Implemented floating point comparison methods
26          fEqual32(float,float) and fEqual64(double,double) which take the
27          expected floating point tolerances into account.
28        - Added public API C++ class "LFO", which is a cluster class encapsulating
29          all the sampler's LFO implementations to be used by 3rd party applications
30          (e.g. by Gigedit).
31        - Added int math square LFO implementation.
32        - Added int math saw LFO implementation.
33        - Added numeric complex nr sine LFO implementation.
34        - Marked class LFOTriangleDiHarmonic as deprecated
35          (will be removed in future).
36        - Added LFOAll.h which includes all LFO implementation's header files.
37        - Refactored LFO class names and their file names (PulseLFO -> LFOPulse,
38          LFOSawIntMath -> LFOSawIntMathNew, SawLFO -> LFOSawIntMathOld,
39          SineLFO -> LFOSineBuiltinFn, LFOSine -> LFOSineNumericComplexNr,
40          SquareLFO -> LFOSquarePulse and separated the latter to its own header
41          file).
42        - Renamed type LFOSigned -> LFOTriangleSigned.
43        - Renamed type LFOUnsigned -> LFOTriangleUnsigned.
44        - Using now cubic interpolation as resampling algorithm by default; and
45          linear interpolation is deprecated now.
46        - Event:Init(): memset() entire Event::Param union to zero instead of trying
47          to do that for its individual members; the latter became error prone due
48          to the union's growing complexity meanwhile.
49        - EngineChannel: Overhaul of RPN/NRPN related methods: Added new
50          *Rpn*Parameter*() methods as replacement for previous *Rpn*Controller*()
51          methods and marked the old ones as deprecated; and likewise added new
52          *Nrpn*Parameter*() methods as replacement for previous *Nrpn*Controller*()
53          methods and marked those old ones deprecated as well.
54        - Added support for MIDI CC #38 (data entry LSB): this allows higher value
55          resolution for certain (e.g. hard coded) RPN and NRPN parameters.
56        - Implemented support for compressed RPN/NRPN message sequences (that is to
57          allow processing MIDI data entry messages without always having to be
58          preceded strictly by RPN/NRPN parameter selection messages on each value
59          change).
60        - Added support for MIDI CC #96 (data increment) and MIDI CC #97 (data
61          decrement).
62        - Added support for 'null function RPN/NRPN' (which is RPN/NRPN parameter
63          MSB=127 and LSB=127) and which is disabling subsequent data
64          entry/increment/decrement CC messages.
65        - Fixed crash when editing key groups (a.k.a. exclusive groups) with an
66          instrument editor.
67        - Fixed playing noise at the end of a disk stream under certain conditions.
68        - Fixed potential crash with high pitch at end of RAM playback.
69        - Added configure checks whether C++ compiler supports so called
70          'designated initializers'.
71        - Added global backtraceAsString() function for debugging purposes
72          (POSIX systems only, no Windows implementation yet).
73        - Thread class: Added new methods pushCancelable(), popCancelable(), name(),
74          nameOfCaller() and setNameOfCaller().
75        - configure: Always check for availability of pthread_testcancel() and use
76          it if so (previously it was only used if explicitly enabled by configure
77          option).
78        - Thread class: raise compiler warning if pthread_testcancel() is not
79          available, because it can lead to deadlocks.
80        - Mutex class: Implemented optional bug detection and deadlock debugging
81          features.
82        - Ref<> class is now thread safe (as lock-free and wait-free
83          implementation).
84        - Fixed compilation error with Bison >= 3.6.0.
85        - Fixed rare crash when switching between instruments that had instrument
86          scripts loaded.
87        - Allow EffectChain::InsertEffect() as alternative to
88          EffectChain::AppendEffect() (i.e. with index equal to current chain size).
89        - ConstCapacityArray class: Fixed bug in remove() method.
90        - Fixed crash on certain MIDI RPN and NRPN messages that occurred if no
91          real-time instrument script was loaded.
92    
93      * Real-time instrument scripts:
94        - Added method ScriptVM::setExitResultEnabled() which allows to
95          explicitly enable the built-in exit() function to optionally accept
96          one function argument; the value of the passed exit() function
97          argument will then become available by calling
98          VMExecContext::exitResult() after script execution.
99        - 64 bit support for NKSP integer scripts variables (declare $foo).
100        - Variable names, function names and preprocessor condition names must start
101          with a regular character (a-z or A-Z); starting them with a digit or
102          underscore is not allowed.
103        - NKSP parser fix: equal comparison operator "=" and not equal comparison
104          operator "#" must only accept integer operands.
105        - NKSP language: Implemented support for standard units like Hertz, seconds,
106          Bel including support for metric unit prefixes; so one can now e.g.
107          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
108          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
109          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
110        - NKSP language: Introduced "final" operator "!" which is specifically
111          intended for synthesis parameter values to denote that the synthesis
112          parameter value is intended to be the "final" value for that synthesis
113          parameter that should explicitly be used by the engine and thus causing
114          the sampler engine to ignore all other modulation sources for the same
115          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
116          variable or formula with this new "!" operator the expression is marked as
117          being "final".
118        - NKSP script editor API: Added support for detecting standard unit tokens
119          and their potential metric prefix token.
120        - NKSP language: Added support for NKSP real number literals and
121          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
122        - NKSP language: Added support for NKSP real number (floating point) script
123          variables (declare ~foo).
124        - NKSP language: Added support for NKSP real number (floating point) array
125          script variables (declare ?foo[]).
126        - Built-in script function "message()" accepts now real number argument as
127          well.
128        - Added built-in script function "real_to_int()" and its short hand form
129          "int()" for casting from real number to integer in NKSP scripts.
130        - Added built-in script function "int_to_real()" and its short hand form
131          "real()" for casting from integer to real number in NKSP scripts.
132        - Allow built-in exit() function to potentially accept real number type
133          argument as well.
134        - Built-in script functions may have a different return type depending on
135          the arguments passed to the function.
136        - Built-in script function "abs()" optionally accepts and returns real
137          number.
138        - Built-in script functions "min()" and "max()" optionally accept real
139          number arguments and return real number as result in that case.
140        - NKSP VM API: Allow units and 'final'ness to be returned as result from
141          built-in functions (added methods VMFunction::returnUnitType() and
142          VMFunction::returnsFinal() for that purpose which must be implemented by
143          built-in function implementations).
144        - NKSP language: Allow metric unit prefixes of numeric scalar and array
145          variables to be changed freely at runtime (unlike unit types like Hz etc.
146          which are still sticky, parse-time features of variables which cannot be
147          changed at runtime for the intentional sake of determinism).
148        - NKSP language: 'final' values are prohibited for array variables for now
149          (attempt causes a parsers error).
150        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
151          conditions of runtime control structures like if(), while(), select()
152          (attempt causes a parser error).
153        - NKSP VM API: Allow built-in functions to perform their own, individual
154          parse time checks of arguments going to be passed to the function at
155          runtime (added method VMFunction::checkArgs() for that purpose).
156        - NKSP language: raise parser warning if only one operand of binary
157          operators (like logical 'or' comparison) contain a 'final' value (because
158          it would always yield in a 'final' result in such cases).
159        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
160          different metric unit prefixes, which will behave as expected (e.g.
161          result of expression '1000us < 2ms' is true).
162        - NKSP language: Allow adding values with different metric unit prefixes
163          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
164        - NKSP language: Allow subtracting values with different metric unit
165          prefixes (e.g. result of expression '1ms - 20us' is '980us').
166        - NKSP language: Allow multiplying with any metric unit prefixes
167          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
168          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
169          we don't have any considerable practical use for a term like '4s^2'
170          (hence any attempt multiplying two unit types still causes parser error).
171        - NKSP language: Allow dividing by any metric unit prefixes and allow
172          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
173          yields in unit free result '8'). So this is now a way to cast units away
174          e.g. for passing the result to other expressions, certain function calls
175          or variables which are not accepting any units (or that specific unit).
176        - NKSP language: integer arrays and real number arrays can now be converted
177          to strings (e.g. for dumping their content with message() calls for
178          script debugging purposes).
179        - NKSP language: expressions and variables with units are now correctly
180          casted to strings (e.g. with message() calls).
181        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
182          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
183          floating point tolerances into account.
184        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
185          VMScalarNumberExpr::evalCastReal().
186        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
187          'VMIntArrayExpr' and 'VMRealArrayExpr'.
188        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
189          unitFactor() (runtime) methods.
190        - Built-in function "exit()" supports now returning units and 'final'ness
191          for test cases.
192        - The following built-in functions support now units as well: "abs()",
193          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
194          "real_to_int()", "int()", "int_to_real()" and "real()".
195        - Built-in functions "array_equal()", "search()" and "sort()" support now
196          real number arrays (correctly) as well.
197        - Added individual parse time checks of arguments to be passed to built-in
198          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
199          "array_equal()" and "search()" specific for their individual purposes.
200        - NKSP VM refactoring: Renamed all methods, functions and classes matching
201          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
202          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
203          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
204          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
205          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
206          isScalarNumber() -> isNumber()).
207        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
208          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
209          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
210          as convenient methods for automatically converting values to expected
211          metric value basis.
212        - Built-in function "wait()" accepts now both integers and real numbers as
213          argument.
214        - NKSP VM API cleanup: Get rid of legacy method
215          VMFunction::argType(vmint iArg) which was already superseded by its new
216          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
217        - NKSP parser: if wrong argument type was passed to a built-in function and
218          that built-in function accepts more than one data type for the argument,
219          then show all supported data types as parser error message.
220        - Built-in function "play_note()" accepts now real numbers and seconds as
221          unit type as well for its 3rd and 4th function arguments.
222        - The following built-in functions accept now real numbers as well for their
223          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
224          "change_attack()", "change_decay()", "change_release()",
225          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
226          "change_cutoff_sustain()", "change_cutoff_release()",
227          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
228          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
229          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
230        - Fixed built-in function "change_play_pos()" not having accepted metric
231          prefixes at all.
232        - Fixed the following built-in functions having misinterpreted values given
233          with unit type (for their 2nd argument) as if they were relative values
234          (that is as if they were passed without a unit type): "change_attack()",
235          "change_decay()", "change_release()", "change_cutoff_attack()",
236          "change_cutoff_decay()", "change_cutoff_release()".
237        - Fixed the following built-in functions having applied completely wrong
238          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
239          respective EGs being their modulation sink assume uint data type with
240          value range 0..1000 instead of 0.0..1.0.
241        - Added individual parse-time checks of function arguments for the following
242          built-in functions: "play_note()", "note_off()", "set_event_mark()",
243          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
244          "change_decay()", "change_release()", "change_cutoff_attack()",
245          "change_cutoff_decay()", "change_cutoff_release()",
246          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
247          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
248          "change_pan_time()".
249        - Don't abort function call if unit type was used and at the same time
250          'final' operator was omitted for the primary value argument of the
251          following built-in functions: "change_cutoff()", "change_attack()",
252          "change_decay()", "change_release()", "change_cutoff_attack()",
253          "change_cutoff_decay()", "change_cutoff_release()",
254          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
255          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
256          "change_pan_time()", instead imply 'final'ness at runtime and raise an
257          appropriate parser warning at parse time.
258        - Added built-in real number functions "round()", "ceil()", "floor()",
259          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
260          "cos()", "tan()", "asin()", "acos()", "atan()".
261        - Added built-in script real number constant "~NI_MATH_PI".
262        - Added built-in script real number constant "~NI_MATH_E".
263        - NKSP language: Allow unary '+' operator.
264        - Added built-in script functions "msb()" and "lsb()".
265        - NKSP language: Added support for RPN event handler
266          ("on rpn ... end on" in instrument scripts).
267        - NKSP language: Added support for NRPN event handler
268          ("on nrpn ... end on" in instrument scripts).
269        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
270          may be read from the new RPN/NRPN script handlers to get the (N)RPN
271          parameter that had been changed and its new value.
272        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
273          which are identifying the new (N)RPN handlers as such at script runtime.
274        - Implemented built-in script function "set_rpn()".
275        - Implemented built-in script function "set_nrpn()".
276        - Fix: built-in functions returning an array type were broken and caused a
277          crash when the built-in function's (supposed to be array) result value was
278          used by the script VM.
279        - Removed upper value constraint for 2nd argument of built-in functions
280          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
281          "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
282          "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
283          "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
284          the LFO frequency / resonance / cutoff frequency.
285        - Reduced code involved for parsing NKSP variable declarations by using 2
286          generalized grammar rules with optional components (i.e. optional value
287          assignment and optional variable qualifiers) instead of previous linear
288          combinations of grammar rules, which also fixes some edge case.
289        - NKSP language parser: track code block locations also by a) raw byte
290          position in NKSP source code string and b) length of that code block in
291          bytes (along to the already existing code block tracking by line/column);
292          and added appropriate new members to public C++ API classes like
293          'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
294        - NKSP language: Added support for 'patch' variable qualifier (capture their
295          locations and allow replacement of their assignment expression via VM C++
296          API).
297        - Fixed incorrect EG times if standard measuring unit was passed to built-in
298          functions "change_attack()", "change_decay()" or "change_release()".
299        - Fixed intermediate function result values never having reflected any
300          standard measuring unit type.
301        - Fixed re-entrant issue with function calls which caused wrong result
302          values if the same function was called multiple times in a term
303          (specifically if metric prefixes were used).
304        - NKSP language: Just throw a warning, not an error if an array variable of
305          size zero was declared.
306        - NKSP language: Allow omitting explicit array size on array variable
307          declaration if combined with immediate value assignment
308          (e.g. declare %foo[] := ( 1, 2, 3 ) ).
309        - NKSP language: emit warning if an array variable was declared with bigger
310          array size than amount of initial values been assigned, and initialize the
311          missing array elements with zero in this case.
312        - Fixed built-in NKSP exit() function to behave as return statement.
313        - NKSP parser: Fixed crash if unary '-' operator was used on a non-number
314          data type.
315        - NKSP VM: Fixed the "release" handler being executed too often under
316          certain situations if polyphonic data was passed from "note" handler to
317          "release" handler.
318        - Fixed memory leak in NKSP parser: string tokens were allocated as C
319          strings and never freed.
320        - Fixed incorrect polyphonic data transfer from wrong note handler to
321          release handler; which also fixes no release handler being executed
322          sometimes, and due to the latter it also fixes potential crashes as some
323          polyphonic script events were never released and the engine hence was
324          running out of free script events.
325        - Fixed crash when handling array results of built-in functions
326          (e.g. "num_elements(by_marks($MARK_1)").
327        - NKSP VM: Fixed dead note events not been removed from user's event groups
328          (i.e. causing incorrect behaviour of built-in NKSP functions by_marks()
329          and set_event_mark() after max. size of event group list was exhausted).
330    
331      * test cases:
332        - Fixed compiler errors in test cases.
333        - Updated README for how to compile & run test cases.
334        - Updated test case
335          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
336          expected behaviour of the Mutex class implementation (recursive
337          mutex type).
338        - Added test cases for NKSP core language aspects and core built-in
339          functions.
340        - Fixed thread tests segfaulting on Linux.
341        - NKSP: Added real number test cases for built-in functions exit(),
342          int_to_real(), real(), real_to_int() and int(), as well as for the
343          plus, minus and negate language operators.
344        - Added massive amount of NKSP test cases for standard measuring units and
345          'final' operator usage cases.
346        - Added NKSP test cases for (floating point tolerance aware) real number
347          equalness / unequalness comparison.
348        - Added NKSP int array and real array tests for value assignment and
349          initialization of arrays.
350        - Added NKSP test cases for built-in functions "round()", "ceil()",
351          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
352          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
353        - Added NKSP test cases for unary '+' operator.
354        - Added NKSP test cases for core built-in variables.
355        - Added thorough NKSP test cases for variable declarations.
356    
357      * GigaStudio/Gigasampler format engine:
358        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
359          behaviour for start_level_mid.
360        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
361          level (see discussion "GigaStudio LFO compatibility" on mailing list
362          from 2019-09-26 for details).
363        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
364          see discussion "GigaStudio LFO compatibility" on mailing list from
365          2019-09-26 for details).
366        - Format extension: Added support for different LFO wave forms (currently
367          either sine [default], triangle, saw or square).
368        - Format extension: Added support for LFO phase displacement (0°..360°).
369        - Format extension: Added support for flipping LFO polarity on LFO 3
370          (in the original gig format this was only available for LFO 1 and LFO 2).
371        - Format extension: Support for additional filter types:
372          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
373          bandreject 2-pole.
374        - Fixd potential crash with polynomial interpolator and max. pitch.
375        - If minimum cutoff is defined, remap cutoff controller CC values to really
376          span the entire possible cutoff range (and avoiding a dead controller
377          zone).
378        - Implemented support for loading instrument scripts with 'patch' variables
379          (by patching these script variables with potentially overridden ones by
380          gig Instrument).
381    
382      * SFZ format engine:
383        - Fixed support for regions with loccN/hiccN conditions on more than one
384          MIDI controller.
385        - Fixed internal opcode 'xfin_hivel' falsely being set by user opcode
386          'xfin_lovel' (patch by Christian Czezatke).
387    
388      * Benchmarks:
389        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
390          algorithm (since result of 2nd run was not accumulated).
391        - Added benchmark for saw wave (benchmarks/saw.cpp).
392        - Added benchmark for sine wave (benchmarks/sine.cpp).
393        - Added benchmark for square wave (benchmarks/square.cpp).
394        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
395          which are large enough on modern systems.
396    
397    Version 2.1.1 (27 Jul 2019)
398    
399      * Real-time instrument scripts:
400        - Fixed behavior of built-in NKSP functions change_sustain(),
401          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
402          and change_cutoff_release().
403    
404      * general changes:
405        - Only play release trigger samples on sustain pedal up if this behaviour
406          was explicitly requested by the instrument (otherwise only on note-off).
407        - Fixed compiler warnings.
408        - Fixed compilation error when cross-compiling to Mac.
409        - FX Sends: Provide more useful error messages on routing problems
410          (see bug #169).
411        - LSCP doc: Be more clear describing the two distinct approaches
412          of using external vs. internal effects (see bug #169).
413        - "optional" class: Fixed comparison operators.
414    
415      * Gigasampler/GigaStudio format engine:
416        - Format extension: If requested by instrument then don't play release
417          trigger sample on note-off events.
418    
419      * SFZ format engine:
420        - Fixed memory leak when releasing samples
421          (fixes bug #307, patch by Jacek Roszkowski)
422        - Fixed potential crash when a sample is shared by more than one region
423          (fixes bug #308, patch by Jacek Roszkowski).
424        - Opcode 'sample': Added support for built-in sample '*silence'
425          (fixes bug #310, patch by Jacek Roszkowski).
426    
427    Version 2.1.0 (25 Nov 2017)
428    
429    * SFZ format engine:    * SFZ format engine:
430      - added support for <global>, <master> and #define (patch by Alby M)      - added support for <global>, <master> and #define (patch by Alby M)
431        - Removed code duplication in SFZ file loading code.
432        - Added support for sfz extension opcode 'script' which may be used to
433          load real-time instrument script file (NKSP script language).
434        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
435        - Fixed unintended volume fade-in of voices under certain conditions.
436        - sfz parser: allow missing space between header and opcode
437    
438      * Gigasampler/GigaStudio format engine:
439        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
440          cutoff settings.
441        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
442          all if an up-pitch of more than 40 semi tones was requested (I don't
443          think there is any stock gig sound that requires this behavior to
444          resemble its original sound).
445        - Added support for controlling whether the individual EGADSR stages may
446          be aborted (as LinuxSampler extension to the original GigaStudio 4
447          format).
448    
449    * general changes:    * general changes:
450      - fixed printf type errors (mostly in debug messages)      - fixed printf type errors (mostly in debug messages)
# Line 29  Version SVN trunk (?) Line 472  Version SVN trunk (?)
472        volume and pan changes by instrument scripts for instance.        volume and pan changes by instrument scripts for instance.
473      - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed      - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
474        properly and thus were ignored for certain uses.        properly and thus were ignored for certain uses.
475        - Added new C++ API method
476          VirtualMidiDevice::SendChannelPressureToSampler().
477        - windows, 32-bit: fixed potential crashes by making sure the stack in
478          sub threads is 16-byte aligned
479        - fixed numerous compiler warnings
480        - Fixed invalid (note-on) event ID being assigned to new Note objects.
481        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
482          fixes potential undefined behavior.
483        - Fixed Note object leak when triggering notes on keys which did not
484          have a valid sample mapped (fixes bug #252).
485        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
486        - linuxsampler binary fix: option --create-instruments-db ignored
487          subsequent optional argument due to glibc's implementation oddity
488          which expects a "=" sign, but no space between them.
489    
490    * packaging changes:    * packaging changes:
491      - removed unnecessary dependency to libuuid      - removed unnecessary dependency to libuuid
492        (originated by libgig's usage of it)        (originated by libgig's usage of it)
493      - Automake: set environment variable GCC_COLORS=auto to allow GCC to      - Automake: set environment variable GCC_COLORS=auto to allow GCC to
494        auto detect whether it (sh/c)ould output its messages in color.        auto detect whether it (sh/c)ould output its messages in color.
495        - Debian: Fixed packaging error about invalid "Source-Version"
496          substitution variable.
497        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
498        - Debian: Added build dependency to libsqlite3-dev for building
499          linuxsampler with instruments DB support.
500    
501    * Real-time instrument scripts:    * Real-time instrument scripts:
502      - Implemented scheduler for delayed MIDI events and for suspended scripts.      - Implemented scheduler for delayed MIDI events and for suspended scripts.
# Line 127  Version SVN trunk (?) Line 589  Version SVN trunk (?)
589      - Provide more user friendly error messages on syntax errors.      - Provide more user friendly error messages on syntax errors.
590      - Fixed NKSP parser warning "Not a statement" when assigning an      - Fixed NKSP parser warning "Not a statement" when assigning an
591        initializer list to an array variable.        initializer list to an array variable.
592        - Implemented built-in script array variable "%ALL_EVENTS".
593        - Implemented built-in script function "in_range()".
594        - Implemented built-in script function "change_amp_lfo_depth()".
595        - Implemented built-in script function "change_amp_lfo_freq()".
596        - Implemented built-in script function "change_pitch_lfo_depth()".
597        - Implemented built-in script function "change_pitch_lfo_freq()".
598        - Implemented built-in script function "change_vol_time()".
599        - Implemented built-in script function "change_tune_time()".
600        - Implemented built-in script function "fade_in()".
601        - Implemented built-in script function "fade_out()".
602        - Fixed acceptance of wrong data type of parameters passed to built-in
603          script functions "change_vol()", "change_tune()", "change_pan()",
604          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
605          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
606          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
607        - Added built-in script function "get_event_par()" and implemented some
608          of its possible parameter selections.
609        - Added built-in script function "set_event_par()" and implemented some
610          of its possible parameter selections.
611        - Fixed a bunch of scheduler time related bugs.
612        - Fixed polyphonic variables not being reset to zero after usage.
613        - Built-in "ignore_event()" function: argument is now optional, like with
614          built-in function "ignore_controller()".
615        - Implemented built-in script function "change_velo()".
616        - Implemented built-in script function "change_note()".
617        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
618          intuitive behavior if used in combination with "change_vol_time()" or
619          "change_tune_time()" respectively: now tuning/volume changes are only
620          assigned (without delay) immediately to a new note if the respective
621          timing function has not been called before, otherwise the volume/tuning
622          changes are automatically faded (before, only the event's time stamp was
623          relevant).
624         - Implemented built-in script function "array_equal()".
625         - Implemented built-in script function "search()".
626         - Implemented built-in script function "sort()".
627         - NKSP Fix: Never suspend "init" event handlers.
628         - Implemented built-in script function "same_region()" (currently only
629           available for gig format engine).
630         - Added built-in script constant "$NKSP_LINEAR".
631         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
632         - Implemented built-in script function "change_vol_curve()".
633         - Implemented built-in script function "change_tune_curve()".
634         - built-in "play_note()" function now supports a sample playback start
635           offset with argument 3, where special value -1 means to use the regular
636           sample offset as defined by the instrument file.
637         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
638         - Built-in variable $EVENT_NOTE is now a read-only variable.
639         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
640         - built-in "play_note()" function now accepts -2 for its fourth argument
641           (note duration) which means the life time of the note shall be sticked
642           to the requested note number of argument 1.
643         - Fix: built-in "play_note()" function now returns 0 as result value if
644           -1 was passed for its fourth argument (note duration) and the respective
645           parent note is already gone.
646        - Implemented built-in script function "change_play_pos()".
647        - NKSP language: Added support for user declared const array variables.
648        - NKSP language: Raise parser warning if array variable is accessed with
649          an index that exceeds the array's size.
650        - NKSP language fix: Unknown characters were not handled correctly.
651        - NKSP language: Added support for "synchronized .. end synchronized"
652          code blocks.
653        - Implemented built-in script function "abort()" which allows to abort
654          another script handler by passing its callback ID.
655        - Fixed potential memory access bug and potential undefined behavior of
656          "init" event handlers.
657        - Print a time stamp along to each call of built-in function "message()".
658        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
659          to retrieve all code blocks filtered out by the preprocessor.
660        - Added built-in script function "fork()".
661        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
662        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
663        - Fixed potential crash when accessing dynamic built-in array variables.
664        - Added built-in script function "callback_status()".
665        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
666        - Added built-in constant $CALLBACK_STATUS_QUEUE.
667        - Added built-in constant $CALLBACK_STATUS_RUNNING.
668        - Removed max. value limitation of built-in functions "change_attack()",
669          "change_decay()" and "change_release()" to i.e. allow passing 2000000
670          for doubling the respective time.
671        - NKSP script editor syntax highlighting API: Fixed app termination due
672          to a lexer start condition stack underrun.
673        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
674          USE_CODE_IF_NOT() preprocessor statements.
675        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
676          can be set to disable all subsequent built-in "message()" function calls
677          on preprocessor level.
678        - Implemented built-in script function "change_sustain()".
679        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
680          to avoid the editor app to crash on ill-formed text input.
681        - Added built-in script function "change_pan_time()".
682        - Added built-in script function "change_pan_curve()".
683        - Added built-in script function "change_cutoff_attack()".
684        - Added built-in script function "change_cutoff_decay()".
685        - Added built-in script function "change_cutoff_sustain()".
686        - Added built-in script function "change_cutoff_release()".
687        - Added built-in script function "change_cutoff_lfo_depth()".
688        - Added built-in script function "change_cutoff_lfo_freq()".
689    
690      * Instruments DB:
691        - Fixed memory access bug of general DB access code which lead to
692          undefined behavior.
693        - Cleanup of instruments DB file creation and opening code.
694        - The instrument DB path of linuxsampler's --create-instruments-db argument
695          is now optional, if it is missing, then a default location is used.
696        - Added support for scanning SFZ (.sfz) files.
697        - Added support for scanning Sound Font (.sf2) files.
698        - Fixed undefined DB transaction behavior.
699    
700  Version 2.0.0 (15 July 2015)  Version 2.0.0 (15 July 2015)
701    
# Line 551  Version 2.0.0 (15 July 2015) Line 1120  Version 2.0.0 (15 July 2015)
1120        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1121      - provide comprehensive error messages on LSCP syntax errors      - provide comprehensive error messages on LSCP syntax errors
1122        (suggesting expected next non-terminal symbols)        (suggesting expected next non-terminal symbols)
1123        - Fixed client connection not being closed after network errors.
1124    
1125    * LSCP shell:    * LSCP shell:
1126      - Added support for auto correction of obvious and trivial syntax mistakes.      - Added support for auto correction of obvious and trivial syntax mistakes.
# Line 600  Version 2.0.0 (15 July 2015) Line 1170  Version 2.0.0 (15 July 2015)
1170        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1171      - Giga format scripts: Implemented built-in script function      - Giga format scripts: Implemented built-in script function
1172        "gig_set_dim_zone(event_id, dimension, zone)".        "gig_set_dim_zone(event_id, dimension, zone)".
1173      - Implemented built-in script int array variable $KEY_DOWN.      - Implemented built-in script int array variable %KEY_DOWN.
1174      - Implemented built-in script function "abs()".      - Implemented built-in script function "abs()".
1175      - Implemented built-in script function "random()".      - Implemented built-in script function "random()".
1176      - Implemented built-in script function "num_elements()".      - Implemented built-in script function "num_elements()".
# Line 614  Version 2.0.0 (15 July 2015) Line 1184  Version 2.0.0 (15 July 2015)
1184        (i.e. return value of new script function "by_marks()").        (i.e. return value of new script function "by_marks()").
1185      - Pass/preserve polyphonic variable data from respective "note" event      - Pass/preserve polyphonic variable data from respective "note" event
1186        handler to "release" event handler.        handler to "release" event handler.
1187        - Fixed crash when using built-in script function "by_marks()".
1188    
1189    * Bug fixes:    * Bug fixes:
1190      - Fixed crash which may occur when MIDI key + transpose is out of range      - Fixed crash which may occur when MIDI key + transpose is out of range
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