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revision 2951 by schoenebeck, Fri Jul 15 20:07:47 2016 UTC revision 3615 by schoenebeck, Tue Oct 1 09:49:08 2019 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    
30      * Real-time instrument scripts:
31        - Added method ScriptVM::setExitResultEnabled() which allows to
32          explicitly enable the built-in exit() function to optionally accept
33          one function argument; the value of the passed exit() function
34          argument will then become available by calling
35          VMExecContext::exitResult() after script execution.
36        - 64 bit support for NKSP integer scripts variables (declare $foo).
37        - Variable names, function names and preprocessor condition names must start
38          with a regular character (a-z or A-Z); starting them with a digit or
39          underscore is not allowed.
40        - NKSP parser fix: equal comparison operator "=" and not equal comparison
41          operator "#" must only accept integer operands.
42        - NKSP language: Implemented support for standard units like Hertz, seconds,
43          Bel including support for metric unit prefixes; so one can now e.g.
44          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
45          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
46          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
47        - NKSP language: Introduced "final" operator "!" which is specifically
48          intended for synthesis parameter values to denote that the synthesis
49          parameter value is intended to be the "final" value for that synthesis
50          parameter that should explicitly be used by the engine and thus causing
51          the sampler engine to ignore all other modulation sources for the same
52          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
53          variable or formula with this new "!" operator the expression is marked as
54          being "final".
55        - NKSP script editor API: Added support for detecting standard unit tokens
56          and their potential metric prefix token.
57        - NKSP language: Added support for NKSP real number literals and
58          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
59        - NKSP language: Added support for NKSP real number (floating point) script
60          variables (declare ~foo).
61        - NKSP language: Added support for NKSP real number (floating point) array
62          script variables (declare ?foo[]).
63        - Built-in script function "message()" accepts now real number argument as
64          well.
65        - Added built-in script function "real_to_int()" and its short hand form
66          "int()" for casting from real number to integer in NKSP scripts.
67        - Added built-in script function "int_to_real()" and its short hand form
68          "real()" for casting from integer to real number in NKSP scripts.
69        - Allow built-in exit() function to potentially accept real number type
70          argument as well.
71        - Built-in script functions may have a different return type depending on
72          the arguments passed to the function.
73        - Built-in script function "abs()" optionally accepts and returns real
74          number.
75        - Built-in script functions "min()" and "max()" optionally accept real
76          number arguments and return real number as result in that case.
77        - NKSP VM API: Allow units and 'final'ness to be returned as result from
78          built-in functions (added methods VMFunction::returnUnitType() and
79          VMFunction::returnsFinal() for that purpose which must be implemented by
80          built-in function implementations).
81        - NKSP language: Allow metric unit prefixes of numeric scalar and array
82          variables to be changed freely at runtime (unlike unit types like Hz etc.
83          which are still sticky, parse-time features of variables which cannot be
84          changed at runtime for the intentional sake of determinism).
85        - NKSP language: 'final' values are prohibited for array variables for now
86          (attempt causes a parsers error).
87        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
88          conditions of runtime control structures like if(), while(), select()
89          (attempt causes a parser error).
90        - NKSP VM API: Allow built-in functions to perform their own, individual
91          parse time checks of arguments going to be passed to the function at
92          runtime (added method VMFunction::checkArgs() for that purpose).
93        - NKSP language: raise parser warning if only one operand of binary
94          operators (like logical 'or' comparison) contain a 'final' value (because
95          it would always yield in a 'final' result in such cases).
96        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
97          different metric unit prefixes, which will behave as expected (e.g.
98          result of expression '1000us < 2ms' is true).
99        - NKSP language: Allow adding values with different metric unit prefixes
100          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
101        - NKSP language: Allow subtracting values with different metric unit
102          prefixes (e.g. result of expression '1ms - 20us' is '980us').
103        - NKSP language: Allow multiplying with any metric unit prefixes
104          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
105          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
106          we don't have any considerable practical use for a term like '4s^2'
107          (hence any attempt multiplying two unit types still causes parser error).
108        - NKSP language: Allow dividing by any metric unit prefixes and allow
109          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
110          yields in unit free result '8'). So this is now a way to cast units away
111          e.g. for passing the result to other expressions, certain function calls
112          or variables which are not accepting any units (or that specific unit).
113        - NKSP language: integer arrays and real number arrays can now be converted
114          to strings (e.g. for dumping their content with message() calls for
115          script debugging purposes).
116        - NKSP language: expressions and variables with units are now correctly
117          casted to strings (e.g. with message() calls).
118        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
119          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
120          floating point tolerances into account.
121        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
122          VMScalarNumberExpr::evalCastReal().
123        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
124          'VMIntArrayExpr' and 'VMRealArrayExpr'.
125        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
126          unitFactor() (runtime) methods.
127        - Built-in function "exit()" supports now returning units and 'final'ness
128          for test cases.
129        - The following built-in functions support now units as well: "abs()",
130          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
131          "real_to_int()", "int()", "int_to_real()" and "real()".
132        - Built-in functions "array_equal()", "search()" and "sort()" support now
133          real number arrays (correctly) as well.
134        - Added individual parse time checks of arguments to be passed to built-in
135          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
136          "array_equal()" and "search()" specific for their individual purposes.
137        - NKSP VM refactoring: Renamed all methods, functions and classes matching
138          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
139          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
140          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
141          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
142          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
143          isScalarNumber() -> isNumber()).
144        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
145          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
146          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
147          as convenient methods for automatically converting values to expected
148          metric value basis.
149        - Built-in function "wait()" accepts now both integers and real numbers as
150          argument.
151        - NKSP VM API cleanup: Get rid of legacy method
152          VMFunction::argType(vmint iArg) which was already superseded by its new
153          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
154        - NKSP parser: if wrong argument type was passed to a built-in function and
155          that built-in function accepts more than one data type for the argument,
156          then show all supported data types as parser error message.
157        - Built-in function "play_note()" accepts now real numbers and seconds as
158          unit type as well for its 3rd and 4th function arguments.
159        - The following built-in functions accept now real numbers as well for their
160          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
161          "change_attack()", "change_decay()", "change_release()",
162          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
163          "change_cutoff_sustain()", "change_cutoff_release()",
164          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
165          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
166          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
167        - Fixed built-in function "change_play_pos()" not having accepted metric
168          prefixes at all.
169        - Fixed the following built-in functions having misinterpreted values given
170          with unit type (for their 2nd argument) as if they were relative values
171          (that is as if they were passed without a unit type): "change_attack()",
172          "change_decay()", "change_release()", "change_cutoff_attack()",
173          "change_cutoff_decay()", "change_cutoff_release()".
174        - Fixed the following built-in functions having applied completely wrong
175          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
176          respective EGs being their modulation sink assume uint data type with
177          value range 0..1000 instead of 0.0..1.0.
178        - Added individual parse-time checks of function arguments for the following
179          built-in functions: "play_note()", "note_off()", "set_event_mark()",
180          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
181          "change_decay()", "change_release()", "change_cutoff_attack()",
182          "change_cutoff_decay()", "change_cutoff_release()",
183          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
184          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
185          "change_pan_time()".
186        - Don't abort function call if unit type was used and at the same time
187          'final' operator was omitted for the primary value argument of the
188          following built-in functions: "change_cutoff()", "change_attack()",
189          "change_decay()", "change_release()", "change_cutoff_attack()",
190          "change_cutoff_decay()", "change_cutoff_release()",
191          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
192          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
193          "change_pan_time()", instead imply 'final'ness at runtime and raise an
194          appropriate parser warning at parse time.
195        - Added built-in real number functions "round()", "ceil()", "floor()",
196          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
197          "cos()", "tan()", "asin()", "acos()", "atan()".
198        - Added built-in script real number constant "~NI_MATH_PI".
199        - Added built-in script real number constant "~NI_MATH_E".
200        - NKSP language: Allow unary '+' operator.
201    
202      * test cases:
203        - Fixed compiler errors in test cases.
204        - Updated README for how to compile & run test cases.
205        - Updated test case
206          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
207          expected behaviour of the Mutex class implementation (recursive
208          mutex type).
209        - Added test cases for NKSP core language aspects and core built-in
210          functions.
211        - Fixed thread tests segfaulting on Linux.
212        - NKSP: Added real number test cases for built-in functions exit(),
213          int_to_real(), real(), real_to_int() and int(), as well as for the
214          plus, minus and negate language operators.
215        - Added massive amount of NKSP test cases for standard measuring units and
216          'final' operator usage cases.
217        - Added NKSP test cases for (floating point tolerance aware) real number
218          equalness / unequalness comparison.
219        - Added NKSP int array and real array tests for value assignment and
220          initialization of arrays.
221        - Added NKSP test cases for built-in functions "round()", "ceil()",
222          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
223          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
224        - Added NKSP test cases for unary '+' operator.
225    
226      * GigaStudio/Gigasampler format engine:
227        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
228          behaviour for start_level_mid.
229        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
230          level (see discussion "GigaStudio LFO compatibility" on mailing list
231          from 2019-09-26 for details).
232    
233      * SFZ format engine:
234        - Fixed support for regions with loccN/hiccN conditions on more than one
235          MIDI controller.
236    
237      * Benchmarks:
238        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
239          algorithm (since result of 2nd run was not accumulated).
240        - Added benchmark for saw wave (benchmarks/saw.cpp).
241        - Added benchmark for sine wave (benchmarks/sine.cpp).
242        - Added benchmark for square wave (benchmarks/square.cpp).
243        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
244          which are large enough on modern systems.
245    
246    Version 2.1.1 (27 Jul 2019)
247    
248      * Real-time instrument scripts:
249        - Fixed behavior of built-in NKSP functions change_sustain(),
250          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
251          and change_cutoff_release().
252    
253      * general changes:
254        - Only play release trigger samples on sustain pedal up if this behaviour
255          was explicitly requested by the instrument (otherwise only on note-off).
256        - Fixed compiler warnings.
257        - Fixed compilation error when cross-compiling to Mac.
258        - FX Sends: Provide more useful error messages on routing problems
259          (see bug #169).
260        - LSCP doc: Be more clear describing the two distinct approaches
261          of using external vs. internal effects (see bug #169).
262        - "optional" class: Fixed comparison operators.
263    
264      * Gigasampler/GigaStudio format engine:
265        - Format extension: If requested by instrument then don't play release
266          trigger sample on note-off events.
267    
268      * SFZ format engine:
269        - Fixed memory leak when releasing samples
270          (fixes bug #307, patch by Jacek Roszkowski)
271        - Fixed potential crash when a sample is shared by more than one region
272          (fixes bug #308, patch by Jacek Roszkowski).
273        - Opcode 'sample': Added support for built-in sample '*silence'
274          (fixes bug #310, patch by Jacek Roszkowski).
275    
276    Version 2.1.0 (25 Nov 2017)
277    
278    * SFZ format engine:    * SFZ format engine:
279      - added support for <global>, <master> and #define (patch by Alby M)      - added support for <global>, <master> and #define (patch by Alby M)
280        - Removed code duplication in SFZ file loading code.
281        - Added support for sfz extension opcode 'script' which may be used to
282          load real-time instrument script file (NKSP script language).
283        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
284        - Fixed unintended volume fade-in of voices under certain conditions.
285        - sfz parser: allow missing space between header and opcode
286    
287      * Gigasampler/GigaStudio format engine:
288        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
289          cutoff settings.
290        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
291          all if an up-pitch of more than 40 semi tones was requested (I don't
292          think there is any stock gig sound that requires this behavior to
293          resemble its original sound).
294        - Added support for controlling whether the individual EGADSR stages may
295          be aborted (as LinuxSampler extension to the original GigaStudio 4
296          format).
297    
298    * general changes:    * general changes:
299      - fixed printf type errors (mostly in debug messages)      - fixed printf type errors (mostly in debug messages)
# Line 24  Version SVN trunk (?) Line 316  Version SVN trunk (?)
316        (CC #64) events.        (CC #64) events.
317      - Fix: Release trigger voices can now also distinguish correctly between      - Fix: Release trigger voices can now also distinguish correctly between
318        note-off and sustain pedal up events.        note-off and sustain pedal up events.
319        - All engines: Increased ramp speed of volume smoother and pan smoother
320          (while slow rate of crossfade smoother is preserved) to allow quick
321          volume and pan changes by instrument scripts for instance.
322        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
323          properly and thus were ignored for certain uses.
324        - Added new C++ API method
325          VirtualMidiDevice::SendChannelPressureToSampler().
326        - windows, 32-bit: fixed potential crashes by making sure the stack in
327          sub threads is 16-byte aligned
328        - fixed numerous compiler warnings
329        - Fixed invalid (note-on) event ID being assigned to new Note objects.
330        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
331          fixes potential undefined behavior.
332        - Fixed Note object leak when triggering notes on keys which did not
333          have a valid sample mapped (fixes bug #252).
334        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
335        - linuxsampler binary fix: option --create-instruments-db ignored
336          subsequent optional argument due to glibc's implementation oddity
337          which expects a "=" sign, but no space between them.
338    
339    * packaging changes:    * packaging changes:
340      - removed unnecessary dependency to libuuid      - removed unnecessary dependency to libuuid
341        (originated by libgig's usage of it)        (originated by libgig's usage of it)
342      - Automake: set environment variable GCC_COLORS=auto to allow GCC to      - Automake: set environment variable GCC_COLORS=auto to allow GCC to
343        auto detect whether it (sh/c)ould output its messages in color.        auto detect whether it (sh/c)ould output its messages in color.
344        - Debian: Fixed packaging error about invalid "Source-Version"
345          substitution variable.
346        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
347        - Debian: Added build dependency to libsqlite3-dev for building
348          linuxsampler with instruments DB support.
349    
350    * Real-time instrument scripts:    * Real-time instrument scripts:
351      - Implemented scheduler for delayed MIDI events and for suspended scripts.      - Implemented scheduler for delayed MIDI events and for suspended scripts.
# Line 98  Version SVN trunk (?) Line 414  Version SVN trunk (?)
414      - Added built-in script constant "$NI_CB_TYPE_RELEASE".      - Added built-in script constant "$NI_CB_TYPE_RELEASE".
415      - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".      - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
416      - NKSP Language: Added support for user defined script functions.      - NKSP Language: Added support for user defined script functions.
417        - Implemented built-in script function "change_attack()".
418        - Implemented built-in script function "change_decay()".
419        - Implemented built-in script function "change_release()".
420        - Fixed all change_*() built-in script functions to apply their
421          synthesis parameter changes immediately in case the respective note
422          was triggered at the same time, instead of scheduling the parameter
423          change, especially because it would cause some parameter types's
424          changes either to be ramped (i.e. change_vol()) or other types even
425          to have not effect at all (i.e. change_attack()).
426        - Implemented built-in script function "sh_left()".
427        - Implemented built-in script function "sh_right()".
428        - Implemented built-in script function "min()".
429        - Implemented built-in script function "max()".
430        - NKSP Fix: "init" event handler was not always executed when a script
431          was loaded.
432        - NKSP built-in wait() script function: abort script execution if
433          a negative or zero wait time was passed as argument (since this is
434          a common indication of a bug either of the script or even of the
435          engine, which could lead to RT instability or even worse).
436        - ScriptVM: Implemented automatic suspension of RT safety
437          threatening scripts.
438        - Provide more user friendly error messages on syntax errors.
439        - Fixed NKSP parser warning "Not a statement" when assigning an
440          initializer list to an array variable.
441        - Implemented built-in script array variable "%ALL_EVENTS".
442        - Implemented built-in script function "in_range()".
443        - Implemented built-in script function "change_amp_lfo_depth()".
444        - Implemented built-in script function "change_amp_lfo_freq()".
445        - Implemented built-in script function "change_pitch_lfo_depth()".
446        - Implemented built-in script function "change_pitch_lfo_freq()".
447        - Implemented built-in script function "change_vol_time()".
448        - Implemented built-in script function "change_tune_time()".
449        - Implemented built-in script function "fade_in()".
450        - Implemented built-in script function "fade_out()".
451        - Fixed acceptance of wrong data type of parameters passed to built-in
452          script functions "change_vol()", "change_tune()", "change_pan()",
453          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
454          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
455          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
456        - Added built-in script function "get_event_par()" and implemented some
457          of its possible parameter selections.
458        - Added built-in script function "set_event_par()" and implemented some
459          of its possible parameter selections.
460        - Fixed a bunch of scheduler time related bugs.
461        - Fixed polyphonic variables not being reset to zero after usage.
462        - Built-in "ignore_event()" function: argument is now optional, like with
463          built-in function "ignore_controller()".
464        - Implemented built-in script function "change_velo()".
465        - Implemented built-in script function "change_note()".
466        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
467          intuitive behavior if used in combination with "change_vol_time()" or
468          "change_tune_time()" respectively: now tuning/volume changes are only
469          assigned (without delay) immediately to a new note if the respective
470          timing function has not been called before, otherwise the volume/tuning
471          changes are automatically faded (before, only the event's time stamp was
472          relevant).
473         - Implemented built-in script function "array_equal()".
474         - Implemented built-in script function "search()".
475         - Implemented built-in script function "sort()".
476         - NKSP Fix: Never suspend "init" event handlers.
477         - Implemented built-in script function "same_region()" (currently only
478           available for gig format engine).
479         - Added built-in script constant "$NKSP_LINEAR".
480         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
481         - Implemented built-in script function "change_vol_curve()".
482         - Implemented built-in script function "change_tune_curve()".
483         - built-in "play_note()" function now supports a sample playback start
484           offset with argument 3, where special value -1 means to use the regular
485           sample offset as defined by the instrument file.
486         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
487         - Built-in variable $EVENT_NOTE is now a read-only variable.
488         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
489         - built-in "play_note()" function now accepts -2 for its fourth argument
490           (note duration) which means the life time of the note shall be sticked
491           to the requested note number of argument 1.
492         - Fix: built-in "play_note()" function now returns 0 as result value if
493           -1 was passed for its fourth argument (note duration) and the respective
494           parent note is already gone.
495        - Implemented built-in script function "change_play_pos()".
496        - NKSP language: Added support for user declared const array variables.
497        - NKSP language: Raise parser warning if array variable is accessed with
498          an index that exceeds the array's size.
499        - NKSP language fix: Unknown characters were not handled correctly.
500        - NKSP language: Added support for "synchronized .. end synchronized"
501          code blocks.
502        - Implemented built-in script function "abort()" which allows to abort
503          another script handler by passing its callback ID.
504        - Fixed potential memory access bug and potential undefined behavior of
505          "init" event handlers.
506        - Print a time stamp along to each call of built-in function "message()".
507        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
508          to retrieve all code blocks filtered out by the preprocessor.
509        - Added built-in script function "fork()".
510        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
511        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
512        - Fixed potential crash when accessing dynamic built-in array variables.
513        - Added built-in script function "callback_status()".
514        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
515        - Added built-in constant $CALLBACK_STATUS_QUEUE.
516        - Added built-in constant $CALLBACK_STATUS_RUNNING.
517        - Removed max. value limitation of built-in functions "change_attack()",
518          "change_decay()" and "change_release()" to i.e. allow passing 2000000
519          for doubling the respective time.
520        - NKSP script editor syntax highlighting API: Fixed app termination due
521          to a lexer start condition stack underrun.
522        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
523          USE_CODE_IF_NOT() preprocessor statements.
524        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
525          can be set to disable all subsequent built-in "message()" function calls
526          on preprocessor level.
527        - Implemented built-in script function "change_sustain()".
528        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
529          to avoid the editor app to crash on ill-formed text input.
530        - Added built-in script function "change_pan_time()".
531        - Added built-in script function "change_pan_curve()".
532        - Added built-in script function "change_cutoff_attack()".
533        - Added built-in script function "change_cutoff_decay()".
534        - Added built-in script function "change_cutoff_sustain()".
535        - Added built-in script function "change_cutoff_release()".
536        - Added built-in script function "change_cutoff_lfo_depth()".
537        - Added built-in script function "change_cutoff_lfo_freq()".
538    
539      * Instruments DB:
540        - Fixed memory access bug of general DB access code which lead to
541          undefined behavior.
542        - Cleanup of instruments DB file creation and opening code.
543        - The instrument DB path of linuxsampler's --create-instruments-db argument
544          is now optional, if it is missing, then a default location is used.
545        - Added support for scanning SFZ (.sfz) files.
546        - Added support for scanning Sound Font (.sf2) files.
547        - Fixed undefined DB transaction behavior.
548    
549  Version 2.0.0 (15 July 2015)  Version 2.0.0 (15 July 2015)
550    
# Line 522  Version 2.0.0 (15 July 2015) Line 969  Version 2.0.0 (15 July 2015)
969        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
970      - provide comprehensive error messages on LSCP syntax errors      - provide comprehensive error messages on LSCP syntax errors
971        (suggesting expected next non-terminal symbols)        (suggesting expected next non-terminal symbols)
972        - Fixed client connection not being closed after network errors.
973    
974    * LSCP shell:    * LSCP shell:
975      - Added support for auto correction of obvious and trivial syntax mistakes.      - Added support for auto correction of obvious and trivial syntax mistakes.
# Line 571  Version 2.0.0 (15 July 2015) Line 1019  Version 2.0.0 (15 July 2015)
1019        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1020      - Giga format scripts: Implemented built-in script function      - Giga format scripts: Implemented built-in script function
1021        "gig_set_dim_zone(event_id, dimension, zone)".        "gig_set_dim_zone(event_id, dimension, zone)".
1022      - Implemented built-in script int array variable $KEY_DOWN.      - Implemented built-in script int array variable %KEY_DOWN.
1023      - Implemented built-in script function "abs()".      - Implemented built-in script function "abs()".
1024      - Implemented built-in script function "random()".      - Implemented built-in script function "random()".
1025      - Implemented built-in script function "num_elements()".      - Implemented built-in script function "num_elements()".
# Line 585  Version 2.0.0 (15 July 2015) Line 1033  Version 2.0.0 (15 July 2015)
1033        (i.e. return value of new script function "by_marks()").        (i.e. return value of new script function "by_marks()").
1034      - Pass/preserve polyphonic variable data from respective "note" event      - Pass/preserve polyphonic variable data from respective "note" event
1035        handler to "release" event handler.        handler to "release" event handler.
1036        - Fixed crash when using built-in script function "by_marks()".
1037    
1038    * Bug fixes:    * Bug fixes:
1039      - 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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