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revision 2945 by schoenebeck, Thu Jul 14 00:22:26 2016 UTC revision 3697 by schoenebeck, Sat Jan 4 12:09:45 2020 UTC
# Line 1  Line 1 
1  Version SVN trunk (?)  Version SVN trunk (?)
2    
3      * general changes:
4        - Fixed compiler error in Pool.h.
5        - Require C++14 compiler support.
6        - Autoconf: Added m4/ax_cxx_compile_stdcxx.m4 macro which is used
7          for checking in configure for C++14 support (as mandatory
8          requirement) and automatically adds compiler argument if required
9          (e.g. -std=C++14).
10        - RTMath: Implemented floating point comparison methods
11          fEqual32(float,float) and fEqual64(double,double) which take the
12          expected floating point tolerances into account.
13        - Added public API C++ class "LFO", which is a cluster class encapsulating
14          all the sampler's LFO implementations to be used by 3rd party applications
15          (e.g. by Gigedit).
16        - Added int math square LFO implementation.
17        - Added int math saw LFO implementation.
18        - Added numeric complex nr sine LFO implementation.
19        - Marked class LFOTriangleDiHarmonic as deprecated
20          (will be removed in future).
21        - Added LFOAll.h which includes all LFO implementation's header files.
22        - Refactored LFO class names and their file names (PulseLFO -> LFOPulse,
23          LFOSawIntMath -> LFOSawIntMathNew, SawLFO -> LFOSawIntMathOld,
24          SineLFO -> LFOSineBuiltinFn, LFOSine -> LFOSineNumericComplexNr,
25          SquareLFO -> LFOSquarePulse and separated the latter to its own header
26          file).
27        - Renamed type LFOSigned -> LFOTriangleSigned.
28        - Renamed type LFOUnsigned -> LFOTriangleUnsigned.
29        - Using now cubic interpolation as resampling algorithm by default; and
30          linear interpolation is deprecated now.
31        - Event:Init(): memset() entire Event::Param union to zero instead of trying
32          to do that for its individual members; the latter became error prone due
33          to the union's growing complexity meanwhile.
34        - EngineChannel: Overhaul of RPN/NRPN related methods: Added new
35          *Rpn*Parameter*() methods as replacement for previous *Rpn*Controller*()
36          methods and marked the old ones as deprecated; and likewise added new
37          *Nrpn*Parameter*() methods as replacement for previous *Nrpn*Controller*()
38          methods and marked those old ones deprecated as well.
39        - Added support for MIDI CC #38 (data entry LSB): this allows higher value
40          resolution for certain (e.g. hard coded) RPN and NRPN parameters.
41        - Implemented support for compressed RPN/NRPN message sequences (that is to
42          allow processing MIDI data entry messages without always having to be
43          preceded strictly by RPN/NRPN parameter selection messages on each value
44          change).
45    
46      * Real-time instrument scripts:
47        - Added method ScriptVM::setExitResultEnabled() which allows to
48          explicitly enable the built-in exit() function to optionally accept
49          one function argument; the value of the passed exit() function
50          argument will then become available by calling
51          VMExecContext::exitResult() after script execution.
52        - 64 bit support for NKSP integer scripts variables (declare $foo).
53        - Variable names, function names and preprocessor condition names must start
54          with a regular character (a-z or A-Z); starting them with a digit or
55          underscore is not allowed.
56        - NKSP parser fix: equal comparison operator "=" and not equal comparison
57          operator "#" must only accept integer operands.
58        - NKSP language: Implemented support for standard units like Hertz, seconds,
59          Bel including support for metric unit prefixes; so one can now e.g.
60          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
61          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
62          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
63        - NKSP language: Introduced "final" operator "!" which is specifically
64          intended for synthesis parameter values to denote that the synthesis
65          parameter value is intended to be the "final" value for that synthesis
66          parameter that should explicitly be used by the engine and thus causing
67          the sampler engine to ignore all other modulation sources for the same
68          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
69          variable or formula with this new "!" operator the expression is marked as
70          being "final".
71        - NKSP script editor API: Added support for detecting standard unit tokens
72          and their potential metric prefix token.
73        - NKSP language: Added support for NKSP real number literals and
74          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
75        - NKSP language: Added support for NKSP real number (floating point) script
76          variables (declare ~foo).
77        - NKSP language: Added support for NKSP real number (floating point) array
78          script variables (declare ?foo[]).
79        - Built-in script function "message()" accepts now real number argument as
80          well.
81        - Added built-in script function "real_to_int()" and its short hand form
82          "int()" for casting from real number to integer in NKSP scripts.
83        - Added built-in script function "int_to_real()" and its short hand form
84          "real()" for casting from integer to real number in NKSP scripts.
85        - Allow built-in exit() function to potentially accept real number type
86          argument as well.
87        - Built-in script functions may have a different return type depending on
88          the arguments passed to the function.
89        - Built-in script function "abs()" optionally accepts and returns real
90          number.
91        - Built-in script functions "min()" and "max()" optionally accept real
92          number arguments and return real number as result in that case.
93        - NKSP VM API: Allow units and 'final'ness to be returned as result from
94          built-in functions (added methods VMFunction::returnUnitType() and
95          VMFunction::returnsFinal() for that purpose which must be implemented by
96          built-in function implementations).
97        - NKSP language: Allow metric unit prefixes of numeric scalar and array
98          variables to be changed freely at runtime (unlike unit types like Hz etc.
99          which are still sticky, parse-time features of variables which cannot be
100          changed at runtime for the intentional sake of determinism).
101        - NKSP language: 'final' values are prohibited for array variables for now
102          (attempt causes a parsers error).
103        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
104          conditions of runtime control structures like if(), while(), select()
105          (attempt causes a parser error).
106        - NKSP VM API: Allow built-in functions to perform their own, individual
107          parse time checks of arguments going to be passed to the function at
108          runtime (added method VMFunction::checkArgs() for that purpose).
109        - NKSP language: raise parser warning if only one operand of binary
110          operators (like logical 'or' comparison) contain a 'final' value (because
111          it would always yield in a 'final' result in such cases).
112        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
113          different metric unit prefixes, which will behave as expected (e.g.
114          result of expression '1000us < 2ms' is true).
115        - NKSP language: Allow adding values with different metric unit prefixes
116          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
117        - NKSP language: Allow subtracting values with different metric unit
118          prefixes (e.g. result of expression '1ms - 20us' is '980us').
119        - NKSP language: Allow multiplying with any metric unit prefixes
120          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
121          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
122          we don't have any considerable practical use for a term like '4s^2'
123          (hence any attempt multiplying two unit types still causes parser error).
124        - NKSP language: Allow dividing by any metric unit prefixes and allow
125          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
126          yields in unit free result '8'). So this is now a way to cast units away
127          e.g. for passing the result to other expressions, certain function calls
128          or variables which are not accepting any units (or that specific unit).
129        - NKSP language: integer arrays and real number arrays can now be converted
130          to strings (e.g. for dumping their content with message() calls for
131          script debugging purposes).
132        - NKSP language: expressions and variables with units are now correctly
133          casted to strings (e.g. with message() calls).
134        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
135          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
136          floating point tolerances into account.
137        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
138          VMScalarNumberExpr::evalCastReal().
139        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
140          'VMIntArrayExpr' and 'VMRealArrayExpr'.
141        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
142          unitFactor() (runtime) methods.
143        - Built-in function "exit()" supports now returning units and 'final'ness
144          for test cases.
145        - The following built-in functions support now units as well: "abs()",
146          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
147          "real_to_int()", "int()", "int_to_real()" and "real()".
148        - Built-in functions "array_equal()", "search()" and "sort()" support now
149          real number arrays (correctly) as well.
150        - Added individual parse time checks of arguments to be passed to built-in
151          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
152          "array_equal()" and "search()" specific for their individual purposes.
153        - NKSP VM refactoring: Renamed all methods, functions and classes matching
154          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
155          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
156          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
157          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
158          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
159          isScalarNumber() -> isNumber()).
160        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
161          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
162          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
163          as convenient methods for automatically converting values to expected
164          metric value basis.
165        - Built-in function "wait()" accepts now both integers and real numbers as
166          argument.
167        - NKSP VM API cleanup: Get rid of legacy method
168          VMFunction::argType(vmint iArg) which was already superseded by its new
169          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
170        - NKSP parser: if wrong argument type was passed to a built-in function and
171          that built-in function accepts more than one data type for the argument,
172          then show all supported data types as parser error message.
173        - Built-in function "play_note()" accepts now real numbers and seconds as
174          unit type as well for its 3rd and 4th function arguments.
175        - The following built-in functions accept now real numbers as well for their
176          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
177          "change_attack()", "change_decay()", "change_release()",
178          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
179          "change_cutoff_sustain()", "change_cutoff_release()",
180          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
181          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
182          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
183        - Fixed built-in function "change_play_pos()" not having accepted metric
184          prefixes at all.
185        - Fixed the following built-in functions having misinterpreted values given
186          with unit type (for their 2nd argument) as if they were relative values
187          (that is as if they were passed without a unit type): "change_attack()",
188          "change_decay()", "change_release()", "change_cutoff_attack()",
189          "change_cutoff_decay()", "change_cutoff_release()".
190        - Fixed the following built-in functions having applied completely wrong
191          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
192          respective EGs being their modulation sink assume uint data type with
193          value range 0..1000 instead of 0.0..1.0.
194        - Added individual parse-time checks of function arguments for the following
195          built-in functions: "play_note()", "note_off()", "set_event_mark()",
196          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
197          "change_decay()", "change_release()", "change_cutoff_attack()",
198          "change_cutoff_decay()", "change_cutoff_release()",
199          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
200          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
201          "change_pan_time()".
202        - Don't abort function call if unit type was used and at the same time
203          'final' operator was omitted for the primary value argument of the
204          following built-in functions: "change_cutoff()", "change_attack()",
205          "change_decay()", "change_release()", "change_cutoff_attack()",
206          "change_cutoff_decay()", "change_cutoff_release()",
207          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
208          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
209          "change_pan_time()", instead imply 'final'ness at runtime and raise an
210          appropriate parser warning at parse time.
211        - Added built-in real number functions "round()", "ceil()", "floor()",
212          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
213          "cos()", "tan()", "asin()", "acos()", "atan()".
214        - Added built-in script real number constant "~NI_MATH_PI".
215        - Added built-in script real number constant "~NI_MATH_E".
216        - NKSP language: Allow unary '+' operator.
217        - Added built-in script functions "msb()" and "lsb()".
218        - NKSP language: Added support for RPN event handler
219          ("on rpn ... end on" in instrument scripts).
220        - NKSP language: Added support for NRPN event handler
221          ("on nrpn ... end on" in instrument scripts).
222        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
223          may be read from the new RPN/NRPN script handlers to get the (N)RPN
224          parameter that had been changed and its new value.
225        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
226          which are identifying the new (N)RPN handlers as such at script runtime.
227        - Implemented built-in script function "set_rpn()".
228        - Implemented built-in script function "set_nrpn()".
229    
230      * test cases:
231        - Fixed compiler errors in test cases.
232        - Updated README for how to compile & run test cases.
233        - Updated test case
234          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
235          expected behaviour of the Mutex class implementation (recursive
236          mutex type).
237        - Added test cases for NKSP core language aspects and core built-in
238          functions.
239        - Fixed thread tests segfaulting on Linux.
240        - NKSP: Added real number test cases for built-in functions exit(),
241          int_to_real(), real(), real_to_int() and int(), as well as for the
242          plus, minus and negate language operators.
243        - Added massive amount of NKSP test cases for standard measuring units and
244          'final' operator usage cases.
245        - Added NKSP test cases for (floating point tolerance aware) real number
246          equalness / unequalness comparison.
247        - Added NKSP int array and real array tests for value assignment and
248          initialization of arrays.
249        - Added NKSP test cases for built-in functions "round()", "ceil()",
250          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
251          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
252        - Added NKSP test cases for unary '+' operator.
253        - Added NKSP test cases for core built-in variables.
254    
255      * GigaStudio/Gigasampler format engine:
256        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
257          behaviour for start_level_mid.
258        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
259          level (see discussion "GigaStudio LFO compatibility" on mailing list
260          from 2019-09-26 for details).
261        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
262          see discussion "GigaStudio LFO compatibility" on mailing list from
263          2019-09-26 for details).
264        - Format extension: Added support for different LFO wave forms (currently
265          either sine [default], triangle, saw or square).
266        - Format extension: Added support for LFO phase displacement (0°..360°).
267        - Format extension: Added support for flipping LFO polarity on LFO 3
268          (in the original gig format this was only available for LFO 1 and LFO 2).
269        - Format extension: Support for additional filter types:
270          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
271          bandreject 2-pole.
272    
273      * SFZ format engine:
274        - Fixed support for regions with loccN/hiccN conditions on more than one
275          MIDI controller.
276    
277      * Benchmarks:
278        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
279          algorithm (since result of 2nd run was not accumulated).
280        - Added benchmark for saw wave (benchmarks/saw.cpp).
281        - Added benchmark for sine wave (benchmarks/sine.cpp).
282        - Added benchmark for square wave (benchmarks/square.cpp).
283        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
284          which are large enough on modern systems.
285    
286    Version 2.1.1 (27 Jul 2019)
287    
288      * Real-time instrument scripts:
289        - Fixed behavior of built-in NKSP functions change_sustain(),
290          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
291          and change_cutoff_release().
292    
293      * general changes:
294        - Only play release trigger samples on sustain pedal up if this behaviour
295          was explicitly requested by the instrument (otherwise only on note-off).
296        - Fixed compiler warnings.
297        - Fixed compilation error when cross-compiling to Mac.
298        - FX Sends: Provide more useful error messages on routing problems
299          (see bug #169).
300        - LSCP doc: Be more clear describing the two distinct approaches
301          of using external vs. internal effects (see bug #169).
302        - "optional" class: Fixed comparison operators.
303    
304      * Gigasampler/GigaStudio format engine:
305        - Format extension: If requested by instrument then don't play release
306          trigger sample on note-off events.
307    
308      * SFZ format engine:
309        - Fixed memory leak when releasing samples
310          (fixes bug #307, patch by Jacek Roszkowski)
311        - Fixed potential crash when a sample is shared by more than one region
312          (fixes bug #308, patch by Jacek Roszkowski).
313        - Opcode 'sample': Added support for built-in sample '*silence'
314          (fixes bug #310, patch by Jacek Roszkowski).
315    
316    Version 2.1.0 (25 Nov 2017)
317    
318    * SFZ format engine:    * SFZ format engine:
319      - added support for <global>, <master> and #define (patch by Alby M)      - added support for <global>, <master> and #define (patch by Alby M)
320        - Removed code duplication in SFZ file loading code.
321        - Added support for sfz extension opcode 'script' which may be used to
322          load real-time instrument script file (NKSP script language).
323        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
324        - Fixed unintended volume fade-in of voices under certain conditions.
325        - sfz parser: allow missing space between header and opcode
326    
327      * Gigasampler/GigaStudio format engine:
328        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
329          cutoff settings.
330        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
331          all if an up-pitch of more than 40 semi tones was requested (I don't
332          think there is any stock gig sound that requires this behavior to
333          resemble its original sound).
334        - Added support for controlling whether the individual EGADSR stages may
335          be aborted (as LinuxSampler extension to the original GigaStudio 4
336          format).
337    
338    * general changes:    * general changes:
339      - fixed printf type errors (mostly in debug messages)      - fixed printf type errors (mostly in debug messages)
# Line 24  Version SVN trunk (?) Line 356  Version SVN trunk (?)
356        (CC #64) events.        (CC #64) events.
357      - Fix: Release trigger voices can now also distinguish correctly between      - Fix: Release trigger voices can now also distinguish correctly between
358        note-off and sustain pedal up events.        note-off and sustain pedal up events.
359        - All engines: Increased ramp speed of volume smoother and pan smoother
360          (while slow rate of crossfade smoother is preserved) to allow quick
361          volume and pan changes by instrument scripts for instance.
362        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
363          properly and thus were ignored for certain uses.
364        - Added new C++ API method
365          VirtualMidiDevice::SendChannelPressureToSampler().
366        - windows, 32-bit: fixed potential crashes by making sure the stack in
367          sub threads is 16-byte aligned
368        - fixed numerous compiler warnings
369        - Fixed invalid (note-on) event ID being assigned to new Note objects.
370        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
371          fixes potential undefined behavior.
372        - Fixed Note object leak when triggering notes on keys which did not
373          have a valid sample mapped (fixes bug #252).
374        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
375        - linuxsampler binary fix: option --create-instruments-db ignored
376          subsequent optional argument due to glibc's implementation oddity
377          which expects a "=" sign, but no space between them.
378    
379    * packaging changes:    * packaging changes:
380      - removed unnecessary dependency to libuuid      - removed unnecessary dependency to libuuid
381        (originated by libgig's usage of it)        (originated by libgig's usage of it)
382      - Automake: set environment variable GCC_COLORS=auto to allow GCC to      - Automake: set environment variable GCC_COLORS=auto to allow GCC to
383        auto detect whether it (sh/c)ould output its messages in color.        auto detect whether it (sh/c)ould output its messages in color.
384        - Debian: Fixed packaging error about invalid "Source-Version"
385          substitution variable.
386        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
387        - Debian: Added build dependency to libsqlite3-dev for building
388          linuxsampler with instruments DB support.
389    
390    * Real-time instrument scripts:    * Real-time instrument scripts:
391      - Implemented scheduler for delayed MIDI events and for suspended scripts.      - Implemented scheduler for delayed MIDI events and for suspended scripts.
# Line 85  Version SVN trunk (?) Line 441  Version SVN trunk (?)
441      - NKSP language fix: division expressions were evaluated too often.      - NKSP language fix: division expressions were evaluated too often.
442      - NKSP language fix: string concatenation operator was right      - NKSP language fix: string concatenation operator was right
443        associative instead of left (to right).        associative instead of left (to right).
444        - NKSP language correction: allow empty statements in entire language
445          (i.e. "if end if").
446        - Implemented built-in script function "stop_wait()".
447        - Implemented built-in script variable "$NI_CALLBACK_ID".
448        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
449        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
450        - Added support for read-only built-in variables (respectively
451          handled by the script parser).
452        - Added built-in script constant "$NI_CB_TYPE_INIT".
453        - Added built-in script constant "$NI_CB_TYPE_NOTE".
454        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
455        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
456        - NKSP Language: Added support for user defined script functions.
457        - Implemented built-in script function "change_attack()".
458        - Implemented built-in script function "change_decay()".
459        - Implemented built-in script function "change_release()".
460        - Fixed all change_*() built-in script functions to apply their
461          synthesis parameter changes immediately in case the respective note
462          was triggered at the same time, instead of scheduling the parameter
463          change, especially because it would cause some parameter types's
464          changes either to be ramped (i.e. change_vol()) or other types even
465          to have not effect at all (i.e. change_attack()).
466        - Implemented built-in script function "sh_left()".
467        - Implemented built-in script function "sh_right()".
468        - Implemented built-in script function "min()".
469        - Implemented built-in script function "max()".
470        - NKSP Fix: "init" event handler was not always executed when a script
471          was loaded.
472        - NKSP built-in wait() script function: abort script execution if
473          a negative or zero wait time was passed as argument (since this is
474          a common indication of a bug either of the script or even of the
475          engine, which could lead to RT instability or even worse).
476        - ScriptVM: Implemented automatic suspension of RT safety
477          threatening scripts.
478        - Provide more user friendly error messages on syntax errors.
479        - Fixed NKSP parser warning "Not a statement" when assigning an
480          initializer list to an array variable.
481        - Implemented built-in script array variable "%ALL_EVENTS".
482        - Implemented built-in script function "in_range()".
483        - Implemented built-in script function "change_amp_lfo_depth()".
484        - Implemented built-in script function "change_amp_lfo_freq()".
485        - Implemented built-in script function "change_pitch_lfo_depth()".
486        - Implemented built-in script function "change_pitch_lfo_freq()".
487        - Implemented built-in script function "change_vol_time()".
488        - Implemented built-in script function "change_tune_time()".
489        - Implemented built-in script function "fade_in()".
490        - Implemented built-in script function "fade_out()".
491        - Fixed acceptance of wrong data type of parameters passed to built-in
492          script functions "change_vol()", "change_tune()", "change_pan()",
493          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
494          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
495          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
496        - Added built-in script function "get_event_par()" and implemented some
497          of its possible parameter selections.
498        - Added built-in script function "set_event_par()" and implemented some
499          of its possible parameter selections.
500        - Fixed a bunch of scheduler time related bugs.
501        - Fixed polyphonic variables not being reset to zero after usage.
502        - Built-in "ignore_event()" function: argument is now optional, like with
503          built-in function "ignore_controller()".
504        - Implemented built-in script function "change_velo()".
505        - Implemented built-in script function "change_note()".
506        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
507          intuitive behavior if used in combination with "change_vol_time()" or
508          "change_tune_time()" respectively: now tuning/volume changes are only
509          assigned (without delay) immediately to a new note if the respective
510          timing function has not been called before, otherwise the volume/tuning
511          changes are automatically faded (before, only the event's time stamp was
512          relevant).
513         - Implemented built-in script function "array_equal()".
514         - Implemented built-in script function "search()".
515         - Implemented built-in script function "sort()".
516         - NKSP Fix: Never suspend "init" event handlers.
517         - Implemented built-in script function "same_region()" (currently only
518           available for gig format engine).
519         - Added built-in script constant "$NKSP_LINEAR".
520         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
521         - Implemented built-in script function "change_vol_curve()".
522         - Implemented built-in script function "change_tune_curve()".
523         - built-in "play_note()" function now supports a sample playback start
524           offset with argument 3, where special value -1 means to use the regular
525           sample offset as defined by the instrument file.
526         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
527         - Built-in variable $EVENT_NOTE is now a read-only variable.
528         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
529         - built-in "play_note()" function now accepts -2 for its fourth argument
530           (note duration) which means the life time of the note shall be sticked
531           to the requested note number of argument 1.
532         - Fix: built-in "play_note()" function now returns 0 as result value if
533           -1 was passed for its fourth argument (note duration) and the respective
534           parent note is already gone.
535        - Implemented built-in script function "change_play_pos()".
536        - NKSP language: Added support for user declared const array variables.
537        - NKSP language: Raise parser warning if array variable is accessed with
538          an index that exceeds the array's size.
539        - NKSP language fix: Unknown characters were not handled correctly.
540        - NKSP language: Added support for "synchronized .. end synchronized"
541          code blocks.
542        - Implemented built-in script function "abort()" which allows to abort
543          another script handler by passing its callback ID.
544        - Fixed potential memory access bug and potential undefined behavior of
545          "init" event handlers.
546        - Print a time stamp along to each call of built-in function "message()".
547        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
548          to retrieve all code blocks filtered out by the preprocessor.
549        - Added built-in script function "fork()".
550        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
551        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
552        - Fixed potential crash when accessing dynamic built-in array variables.
553        - Added built-in script function "callback_status()".
554        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
555        - Added built-in constant $CALLBACK_STATUS_QUEUE.
556        - Added built-in constant $CALLBACK_STATUS_RUNNING.
557        - Removed max. value limitation of built-in functions "change_attack()",
558          "change_decay()" and "change_release()" to i.e. allow passing 2000000
559          for doubling the respective time.
560        - NKSP script editor syntax highlighting API: Fixed app termination due
561          to a lexer start condition stack underrun.
562        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
563          USE_CODE_IF_NOT() preprocessor statements.
564        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
565          can be set to disable all subsequent built-in "message()" function calls
566          on preprocessor level.
567        - Implemented built-in script function "change_sustain()".
568        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
569          to avoid the editor app to crash on ill-formed text input.
570        - Added built-in script function "change_pan_time()".
571        - Added built-in script function "change_pan_curve()".
572        - Added built-in script function "change_cutoff_attack()".
573        - Added built-in script function "change_cutoff_decay()".
574        - Added built-in script function "change_cutoff_sustain()".
575        - Added built-in script function "change_cutoff_release()".
576        - Added built-in script function "change_cutoff_lfo_depth()".
577        - Added built-in script function "change_cutoff_lfo_freq()".
578    
579      * Instruments DB:
580        - Fixed memory access bug of general DB access code which lead to
581          undefined behavior.
582        - Cleanup of instruments DB file creation and opening code.
583        - The instrument DB path of linuxsampler's --create-instruments-db argument
584          is now optional, if it is missing, then a default location is used.
585        - Added support for scanning SFZ (.sfz) files.
586        - Added support for scanning Sound Font (.sf2) files.
587        - Fixed undefined DB transaction behavior.
588    
589  Version 2.0.0 (15 July 2015)  Version 2.0.0 (15 July 2015)
590    
# Line 509  Version 2.0.0 (15 July 2015) Line 1009  Version 2.0.0 (15 July 2015)
1009        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1010      - provide comprehensive error messages on LSCP syntax errors      - provide comprehensive error messages on LSCP syntax errors
1011        (suggesting expected next non-terminal symbols)        (suggesting expected next non-terminal symbols)
1012        - Fixed client connection not being closed after network errors.
1013    
1014    * LSCP shell:    * LSCP shell:
1015      - Added support for auto correction of obvious and trivial syntax mistakes.      - Added support for auto correction of obvious and trivial syntax mistakes.
# Line 558  Version 2.0.0 (15 July 2015) Line 1059  Version 2.0.0 (15 July 2015)
1059        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1060      - Giga format scripts: Implemented built-in script function      - Giga format scripts: Implemented built-in script function
1061        "gig_set_dim_zone(event_id, dimension, zone)".        "gig_set_dim_zone(event_id, dimension, zone)".
1062      - Implemented built-in script int array variable $KEY_DOWN.      - Implemented built-in script int array variable %KEY_DOWN.
1063      - Implemented built-in script function "abs()".      - Implemented built-in script function "abs()".
1064      - Implemented built-in script function "random()".      - Implemented built-in script function "random()".
1065      - Implemented built-in script function "num_elements()".      - Implemented built-in script function "num_elements()".
# Line 572  Version 2.0.0 (15 July 2015) Line 1073  Version 2.0.0 (15 July 2015)
1073        (i.e. return value of new script function "by_marks()").        (i.e. return value of new script function "by_marks()").
1074      - Pass/preserve polyphonic variable data from respective "note" event      - Pass/preserve polyphonic variable data from respective "note" event
1075        handler to "release" event handler.        handler to "release" event handler.
1076        - Fixed crash when using built-in script function "by_marks()".
1077    
1078    * Bug fixes:    * Bug fixes:
1079      - 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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