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revision 3228 by schoenebeck, Sun May 28 14:46:14 2017 UTC revision 3792 by schoenebeck, Mon Jun 15 15:26:10 2020 UTC
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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        - Added support for MIDI CC #96 (data increment) and MIDI CC #97 (data
46          decrement).
47        - Added support for 'null function RPN/NRPN' (which is RPN/NRPN parameter
48          MSB=127 and LSB=127) and which is disabling subsequent data
49          entry/increment/decrement CC messages.
50        - Fixed crash when editing key groups (a.k.a. exclusive groups) with an
51          instrument editor.
52        - Fixed playing noise at the end of a disk stream under certain conditions.
53        - Fixed potential crash with high pitch at end of RAM playback.
54        - Added configure checks whether C++ compiler supports so called
55          'designated initializers'.
56        - Added global backtraceAsString() function for debugging purposes
57          (POSIX systems only, no Windows implementation yet).
58        - Thread class: Added new methods pushCancelable(), popCancelable(), name(),
59          nameOfCaller() and setNameOfCaller().
60        - configure: Always check for availability of pthread_testcancel() and use
61          it if so (previously it was only used if explicitly enabled by configure
62          option).
63        - Thread class: raise compiler warning if pthread_testcancel() is not
64          available, because it can lead to deadlocks.
65        - Mutex class: Implemented optional bug detection and deadlock debugging
66          features.
67        - Ref<> class is now thread safe (as lock-free and wait-free
68          implementation).
69        - Fixed compilation error with Bison >= 3.6.0.
70    
71      * Real-time instrument scripts:
72        - Added method ScriptVM::setExitResultEnabled() which allows to
73          explicitly enable the built-in exit() function to optionally accept
74          one function argument; the value of the passed exit() function
75          argument will then become available by calling
76          VMExecContext::exitResult() after script execution.
77        - 64 bit support for NKSP integer scripts variables (declare $foo).
78        - Variable names, function names and preprocessor condition names must start
79          with a regular character (a-z or A-Z); starting them with a digit or
80          underscore is not allowed.
81        - NKSP parser fix: equal comparison operator "=" and not equal comparison
82          operator "#" must only accept integer operands.
83        - NKSP language: Implemented support for standard units like Hertz, seconds,
84          Bel including support for metric unit prefixes; so one can now e.g.
85          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
86          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
87          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
88        - NKSP language: Introduced "final" operator "!" which is specifically
89          intended for synthesis parameter values to denote that the synthesis
90          parameter value is intended to be the "final" value for that synthesis
91          parameter that should explicitly be used by the engine and thus causing
92          the sampler engine to ignore all other modulation sources for the same
93          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
94          variable or formula with this new "!" operator the expression is marked as
95          being "final".
96        - NKSP script editor API: Added support for detecting standard unit tokens
97          and their potential metric prefix token.
98        - NKSP language: Added support for NKSP real number literals and
99          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
100        - NKSP language: Added support for NKSP real number (floating point) script
101          variables (declare ~foo).
102        - NKSP language: Added support for NKSP real number (floating point) array
103          script variables (declare ?foo[]).
104        - Built-in script function "message()" accepts now real number argument as
105          well.
106        - Added built-in script function "real_to_int()" and its short hand form
107          "int()" for casting from real number to integer in NKSP scripts.
108        - Added built-in script function "int_to_real()" and its short hand form
109          "real()" for casting from integer to real number in NKSP scripts.
110        - Allow built-in exit() function to potentially accept real number type
111          argument as well.
112        - Built-in script functions may have a different return type depending on
113          the arguments passed to the function.
114        - Built-in script function "abs()" optionally accepts and returns real
115          number.
116        - Built-in script functions "min()" and "max()" optionally accept real
117          number arguments and return real number as result in that case.
118        - NKSP VM API: Allow units and 'final'ness to be returned as result from
119          built-in functions (added methods VMFunction::returnUnitType() and
120          VMFunction::returnsFinal() for that purpose which must be implemented by
121          built-in function implementations).
122        - NKSP language: Allow metric unit prefixes of numeric scalar and array
123          variables to be changed freely at runtime (unlike unit types like Hz etc.
124          which are still sticky, parse-time features of variables which cannot be
125          changed at runtime for the intentional sake of determinism).
126        - NKSP language: 'final' values are prohibited for array variables for now
127          (attempt causes a parsers error).
128        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
129          conditions of runtime control structures like if(), while(), select()
130          (attempt causes a parser error).
131        - NKSP VM API: Allow built-in functions to perform their own, individual
132          parse time checks of arguments going to be passed to the function at
133          runtime (added method VMFunction::checkArgs() for that purpose).
134        - NKSP language: raise parser warning if only one operand of binary
135          operators (like logical 'or' comparison) contain a 'final' value (because
136          it would always yield in a 'final' result in such cases).
137        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
138          different metric unit prefixes, which will behave as expected (e.g.
139          result of expression '1000us < 2ms' is true).
140        - NKSP language: Allow adding values with different metric unit prefixes
141          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
142        - NKSP language: Allow subtracting values with different metric unit
143          prefixes (e.g. result of expression '1ms - 20us' is '980us').
144        - NKSP language: Allow multiplying with any metric unit prefixes
145          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
146          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
147          we don't have any considerable practical use for a term like '4s^2'
148          (hence any attempt multiplying two unit types still causes parser error).
149        - NKSP language: Allow dividing by any metric unit prefixes and allow
150          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
151          yields in unit free result '8'). So this is now a way to cast units away
152          e.g. for passing the result to other expressions, certain function calls
153          or variables which are not accepting any units (or that specific unit).
154        - NKSP language: integer arrays and real number arrays can now be converted
155          to strings (e.g. for dumping their content with message() calls for
156          script debugging purposes).
157        - NKSP language: expressions and variables with units are now correctly
158          casted to strings (e.g. with message() calls).
159        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
160          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
161          floating point tolerances into account.
162        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
163          VMScalarNumberExpr::evalCastReal().
164        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
165          'VMIntArrayExpr' and 'VMRealArrayExpr'.
166        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
167          unitFactor() (runtime) methods.
168        - Built-in function "exit()" supports now returning units and 'final'ness
169          for test cases.
170        - The following built-in functions support now units as well: "abs()",
171          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
172          "real_to_int()", "int()", "int_to_real()" and "real()".
173        - Built-in functions "array_equal()", "search()" and "sort()" support now
174          real number arrays (correctly) as well.
175        - Added individual parse time checks of arguments to be passed to built-in
176          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
177          "array_equal()" and "search()" specific for their individual purposes.
178        - NKSP VM refactoring: Renamed all methods, functions and classes matching
179          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
180          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
181          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
182          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
183          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
184          isScalarNumber() -> isNumber()).
185        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
186          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
187          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
188          as convenient methods for automatically converting values to expected
189          metric value basis.
190        - Built-in function "wait()" accepts now both integers and real numbers as
191          argument.
192        - NKSP VM API cleanup: Get rid of legacy method
193          VMFunction::argType(vmint iArg) which was already superseded by its new
194          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
195        - NKSP parser: if wrong argument type was passed to a built-in function and
196          that built-in function accepts more than one data type for the argument,
197          then show all supported data types as parser error message.
198        - Built-in function "play_note()" accepts now real numbers and seconds as
199          unit type as well for its 3rd and 4th function arguments.
200        - The following built-in functions accept now real numbers as well for their
201          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
202          "change_attack()", "change_decay()", "change_release()",
203          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
204          "change_cutoff_sustain()", "change_cutoff_release()",
205          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
206          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
207          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
208        - Fixed built-in function "change_play_pos()" not having accepted metric
209          prefixes at all.
210        - Fixed the following built-in functions having misinterpreted values given
211          with unit type (for their 2nd argument) as if they were relative values
212          (that is as if they were passed without a unit type): "change_attack()",
213          "change_decay()", "change_release()", "change_cutoff_attack()",
214          "change_cutoff_decay()", "change_cutoff_release()".
215        - Fixed the following built-in functions having applied completely wrong
216          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
217          respective EGs being their modulation sink assume uint data type with
218          value range 0..1000 instead of 0.0..1.0.
219        - Added individual parse-time checks of function arguments for the following
220          built-in functions: "play_note()", "note_off()", "set_event_mark()",
221          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
222          "change_decay()", "change_release()", "change_cutoff_attack()",
223          "change_cutoff_decay()", "change_cutoff_release()",
224          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
225          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
226          "change_pan_time()".
227        - Don't abort function call if unit type was used and at the same time
228          'final' operator was omitted for the primary value argument of the
229          following built-in functions: "change_cutoff()", "change_attack()",
230          "change_decay()", "change_release()", "change_cutoff_attack()",
231          "change_cutoff_decay()", "change_cutoff_release()",
232          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
233          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
234          "change_pan_time()", instead imply 'final'ness at runtime and raise an
235          appropriate parser warning at parse time.
236        - Added built-in real number functions "round()", "ceil()", "floor()",
237          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
238          "cos()", "tan()", "asin()", "acos()", "atan()".
239        - Added built-in script real number constant "~NI_MATH_PI".
240        - Added built-in script real number constant "~NI_MATH_E".
241        - NKSP language: Allow unary '+' operator.
242        - Added built-in script functions "msb()" and "lsb()".
243        - NKSP language: Added support for RPN event handler
244          ("on rpn ... end on" in instrument scripts).
245        - NKSP language: Added support for NRPN event handler
246          ("on nrpn ... end on" in instrument scripts).
247        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
248          may be read from the new RPN/NRPN script handlers to get the (N)RPN
249          parameter that had been changed and its new value.
250        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
251          which are identifying the new (N)RPN handlers as such at script runtime.
252        - Implemented built-in script function "set_rpn()".
253        - Implemented built-in script function "set_nrpn()".
254        - Fix: built-in functions returning an array type were broken and caused a
255          crash when the built-in function's (supposed to be array) result value was
256          used by the script VM.
257        - Removed upper value constraint for 2nd argument of built-in functions
258          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
259          "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
260          "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
261          "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
262          the LFO frequency / resonance / cutoff frequency.
263        - Reduced code involved for parsing NKSP variable declarations by using 2
264          generalized grammar rules with optional components (i.e. optional value
265          assignment and optional variable qualifiers) instead of previous linear
266          combinations of grammar rules, which also fixes some edge case.
267        - NKSP language parser: track code block locations also by a) raw byte
268          position in NKSP source code string and b) length of that code block in
269          bytes (along to the already existing code block tracking by line/column);
270          and added appropriate new members to public C++ API classes like
271          'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
272        - NKSP language: Added support for 'patch' variable qualifier (capture their
273          locations and allow replacement of their assignment expression via VM C++
274          API).
275        - Fixed incorrect EG times if standard measuring unit was passed to built-in
276          functions "change_attack()", "change_decay()" or "change_release()".
277        - Fixed intermediate function result values never having reflected any
278          standard measuring unit type.
279        - Fixed re-entrant issue with function calls which caused wrong result
280          values if the same function was called multiple times in a term
281          (specifically if metric prefixes were used).
282        - NKSP language: Just throw a warning, not an error if an array variable of
283          size zero was declared.
284        - NKSP language: Allow omitting explicit array size on array variable
285          declaration if combined with immediate value assignment
286          (e.g. declare %foo[] := ( 1, 2, 3 ) ).
287        - NKSP language: emit warning if an array variable was declared with bigger
288          array size than amount of initial values been assigned, and initialize the
289          missing array elements with zero in this case.
290    
291      * test cases:
292        - Fixed compiler errors in test cases.
293        - Updated README for how to compile & run test cases.
294        - Updated test case
295          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
296          expected behaviour of the Mutex class implementation (recursive
297          mutex type).
298        - Added test cases for NKSP core language aspects and core built-in
299          functions.
300        - Fixed thread tests segfaulting on Linux.
301        - NKSP: Added real number test cases for built-in functions exit(),
302          int_to_real(), real(), real_to_int() and int(), as well as for the
303          plus, minus and negate language operators.
304        - Added massive amount of NKSP test cases for standard measuring units and
305          'final' operator usage cases.
306        - Added NKSP test cases for (floating point tolerance aware) real number
307          equalness / unequalness comparison.
308        - Added NKSP int array and real array tests for value assignment and
309          initialization of arrays.
310        - Added NKSP test cases for built-in functions "round()", "ceil()",
311          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
312          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
313        - Added NKSP test cases for unary '+' operator.
314        - Added NKSP test cases for core built-in variables.
315        - Added thorough NKSP test cases for variable declarations.
316    
317      * GigaStudio/Gigasampler format engine:
318        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
319          behaviour for start_level_mid.
320        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
321          level (see discussion "GigaStudio LFO compatibility" on mailing list
322          from 2019-09-26 for details).
323        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
324          see discussion "GigaStudio LFO compatibility" on mailing list from
325          2019-09-26 for details).
326        - Format extension: Added support for different LFO wave forms (currently
327          either sine [default], triangle, saw or square).
328        - Format extension: Added support for LFO phase displacement (0°..360°).
329        - Format extension: Added support for flipping LFO polarity on LFO 3
330          (in the original gig format this was only available for LFO 1 and LFO 2).
331        - Format extension: Support for additional filter types:
332          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
333          bandreject 2-pole.
334        - Fixd potential crash with polynomial interpolator and max. pitch.
335        - If minimum cutoff is defined, remap cutoff controller CC values to really
336          span the entire possible cutoff range (and avoiding a dead controller
337          zone).
338        - Implemented support for loading instrument scripts with 'patch' variables
339          (by patching these script variables with potentially overridden ones by
340          gig Instrument).
341    
342      * SFZ format engine:
343        - Fixed support for regions with loccN/hiccN conditions on more than one
344          MIDI controller.
345    
346      * Benchmarks:
347        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
348          algorithm (since result of 2nd run was not accumulated).
349        - Added benchmark for saw wave (benchmarks/saw.cpp).
350        - Added benchmark for sine wave (benchmarks/sine.cpp).
351        - Added benchmark for square wave (benchmarks/square.cpp).
352        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
353          which are large enough on modern systems.
354    
355    Version 2.1.1 (27 Jul 2019)
356    
357      * Real-time instrument scripts:
358        - Fixed behavior of built-in NKSP functions change_sustain(),
359          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
360          and change_cutoff_release().
361    
362      * general changes:
363        - Only play release trigger samples on sustain pedal up if this behaviour
364          was explicitly requested by the instrument (otherwise only on note-off).
365        - Fixed compiler warnings.
366        - Fixed compilation error when cross-compiling to Mac.
367        - FX Sends: Provide more useful error messages on routing problems
368          (see bug #169).
369        - LSCP doc: Be more clear describing the two distinct approaches
370          of using external vs. internal effects (see bug #169).
371        - "optional" class: Fixed comparison operators.
372    
373      * Gigasampler/GigaStudio format engine:
374        - Format extension: If requested by instrument then don't play release
375          trigger sample on note-off events.
376    
377      * SFZ format engine:
378        - Fixed memory leak when releasing samples
379          (fixes bug #307, patch by Jacek Roszkowski)
380        - Fixed potential crash when a sample is shared by more than one region
381          (fixes bug #308, patch by Jacek Roszkowski).
382        - Opcode 'sample': Added support for built-in sample '*silence'
383          (fixes bug #310, patch by Jacek Roszkowski).
384    
385    Version 2.1.0 (25 Nov 2017)
386    
387    * SFZ format engine:    * SFZ format engine:
388      - added support for <global>, <master> and #define (patch by Alby M)      - added support for <global>, <master> and #define (patch by Alby M)
389      - Removed code duplication in SFZ file loading code.      - Removed code duplication in SFZ file loading code.
# Line 7  Version SVN trunk (?) Line 391  Version SVN trunk (?)
391        load real-time instrument script file (NKSP script language).        load real-time instrument script file (NKSP script language).
392      - Implemented opcode set_ccN (initial patch by Giovanni Senatore).      - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
393      - Fixed unintended volume fade-in of voices under certain conditions.      - Fixed unintended volume fade-in of voices under certain conditions.
394        - sfz parser: allow missing space between header and opcode
395    
396    * Gigasampler/GigaStudio format engine:    * Gigasampler/GigaStudio format engine:
397      - Fixed clicks and pumping noise with Lowpass Turbo filter on very low      - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
398        cutoff settings.        cutoff settings.
399        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
400          all if an up-pitch of more than 40 semi tones was requested (I don't
401          think there is any stock gig sound that requires this behavior to
402          resemble its original sound).
403        - Added support for controlling whether the individual EGADSR stages may
404          be aborted (as LinuxSampler extension to the original GigaStudio 4
405          format).
406    
407    * general changes:    * general changes:
408      - fixed printf type errors (mostly in debug messages)      - fixed printf type errors (mostly in debug messages)
# Line 44  Version SVN trunk (?) Line 436  Version SVN trunk (?)
436        sub threads is 16-byte aligned        sub threads is 16-byte aligned
437      - fixed numerous compiler warnings      - fixed numerous compiler warnings
438      - Fixed invalid (note-on) event ID being assigned to new Note objects.      - Fixed invalid (note-on) event ID being assigned to new Note objects.
439        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
440          fixes potential undefined behavior.
441        - Fixed Note object leak when triggering notes on keys which did not
442          have a valid sample mapped (fixes bug #252).
443        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
444        - linuxsampler binary fix: option --create-instruments-db ignored
445          subsequent optional argument due to glibc's implementation oddity
446          which expects a "=" sign, but no space between them.
447    
448    * packaging changes:    * packaging changes:
449      - removed unnecessary dependency to libuuid      - removed unnecessary dependency to libuuid
450        (originated by libgig's usage of it)        (originated by libgig's usage of it)
451      - Automake: set environment variable GCC_COLORS=auto to allow GCC to      - Automake: set environment variable GCC_COLORS=auto to allow GCC to
452        auto detect whether it (sh/c)ould output its messages in color.        auto detect whether it (sh/c)ould output its messages in color.
453        - Debian: Fixed packaging error about invalid "Source-Version"
454          substitution variable.
455        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
456        - Debian: Added build dependency to libsqlite3-dev for building
457          linuxsampler with instruments DB support.
458    
459    * Real-time instrument scripts:    * Real-time instrument scripts:
460      - Implemented scheduler for delayed MIDI events and for suspended scripts.      - Implemented scheduler for delayed MIDI events and for suspended scripts.
# Line 180  Version SVN trunk (?) Line 585  Version SVN trunk (?)
585       - NKSP Fix: Never suspend "init" event handlers.       - NKSP Fix: Never suspend "init" event handlers.
586       - Implemented built-in script function "same_region()" (currently only       - Implemented built-in script function "same_region()" (currently only
587         available for gig format engine).         available for gig format engine).
588         - Added built-in script constant "$NKSP_LINEAR".
589         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
590         - Implemented built-in script function "change_vol_curve()".
591         - Implemented built-in script function "change_tune_curve()".
592         - built-in "play_note()" function now supports a sample playback start
593           offset with argument 3, where special value -1 means to use the regular
594           sample offset as defined by the instrument file.
595         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
596         - Built-in variable $EVENT_NOTE is now a read-only variable.
597         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
598         - built-in "play_note()" function now accepts -2 for its fourth argument
599           (note duration) which means the life time of the note shall be sticked
600           to the requested note number of argument 1.
601         - Fix: built-in "play_note()" function now returns 0 as result value if
602           -1 was passed for its fourth argument (note duration) and the respective
603           parent note is already gone.
604        - Implemented built-in script function "change_play_pos()".
605        - NKSP language: Added support for user declared const array variables.
606        - NKSP language: Raise parser warning if array variable is accessed with
607          an index that exceeds the array's size.
608        - NKSP language fix: Unknown characters were not handled correctly.
609        - NKSP language: Added support for "synchronized .. end synchronized"
610          code blocks.
611        - Implemented built-in script function "abort()" which allows to abort
612          another script handler by passing its callback ID.
613        - Fixed potential memory access bug and potential undefined behavior of
614          "init" event handlers.
615        - Print a time stamp along to each call of built-in function "message()".
616        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
617          to retrieve all code blocks filtered out by the preprocessor.
618        - Added built-in script function "fork()".
619        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
620        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
621        - Fixed potential crash when accessing dynamic built-in array variables.
622        - Added built-in script function "callback_status()".
623        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
624        - Added built-in constant $CALLBACK_STATUS_QUEUE.
625        - Added built-in constant $CALLBACK_STATUS_RUNNING.
626        - Removed max. value limitation of built-in functions "change_attack()",
627          "change_decay()" and "change_release()" to i.e. allow passing 2000000
628          for doubling the respective time.
629        - NKSP script editor syntax highlighting API: Fixed app termination due
630          to a lexer start condition stack underrun.
631        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
632          USE_CODE_IF_NOT() preprocessor statements.
633        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
634          can be set to disable all subsequent built-in "message()" function calls
635          on preprocessor level.
636        - Implemented built-in script function "change_sustain()".
637        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
638          to avoid the editor app to crash on ill-formed text input.
639        - Added built-in script function "change_pan_time()".
640        - Added built-in script function "change_pan_curve()".
641        - Added built-in script function "change_cutoff_attack()".
642        - Added built-in script function "change_cutoff_decay()".
643        - Added built-in script function "change_cutoff_sustain()".
644        - Added built-in script function "change_cutoff_release()".
645        - Added built-in script function "change_cutoff_lfo_depth()".
646        - Added built-in script function "change_cutoff_lfo_freq()".
647    
648    * Instruments DB:    * Instruments DB:
649      - Fixed memory access bug of general DB access code which lead to      - Fixed memory access bug of general DB access code which lead to
# Line 664  Version 2.0.0 (15 July 2015) Line 1128  Version 2.0.0 (15 July 2015)
1128        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1129      - Giga format scripts: Implemented built-in script function      - Giga format scripts: Implemented built-in script function
1130        "gig_set_dim_zone(event_id, dimension, zone)".        "gig_set_dim_zone(event_id, dimension, zone)".
1131      - Implemented built-in script int array variable $KEY_DOWN.      - Implemented built-in script int array variable %KEY_DOWN.
1132      - Implemented built-in script function "abs()".      - Implemented built-in script function "abs()".
1133      - Implemented built-in script function "random()".      - Implemented built-in script function "random()".
1134      - Implemented built-in script function "num_elements()".      - Implemented built-in script function "num_elements()".
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