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revision 3050 by schoenebeck, Thu Dec 8 12:36:56 2016 UTC revision 3847 by schoenebeck, Thu Jan 7 12:25:59 2021 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        - Fixed rare crash when switching between instruments that had instrument
71          scripts loaded.
72        - Allow EffectChain::InsertEffect() as alternative to
73          EffectChain::AppendEffect() (i.e. with index equal to current chain size).
74        - ConstCapacityArray class: Fixed bug in remove() method.
75    
76      * Real-time instrument scripts:
77        - Added method ScriptVM::setExitResultEnabled() which allows to
78          explicitly enable the built-in exit() function to optionally accept
79          one function argument; the value of the passed exit() function
80          argument will then become available by calling
81          VMExecContext::exitResult() after script execution.
82        - 64 bit support for NKSP integer scripts variables (declare $foo).
83        - Variable names, function names and preprocessor condition names must start
84          with a regular character (a-z or A-Z); starting them with a digit or
85          underscore is not allowed.
86        - NKSP parser fix: equal comparison operator "=" and not equal comparison
87          operator "#" must only accept integer operands.
88        - NKSP language: Implemented support for standard units like Hertz, seconds,
89          Bel including support for metric unit prefixes; so one can now e.g.
90          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
91          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
92          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
93        - NKSP language: Introduced "final" operator "!" which is specifically
94          intended for synthesis parameter values to denote that the synthesis
95          parameter value is intended to be the "final" value for that synthesis
96          parameter that should explicitly be used by the engine and thus causing
97          the sampler engine to ignore all other modulation sources for the same
98          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
99          variable or formula with this new "!" operator the expression is marked as
100          being "final".
101        - NKSP script editor API: Added support for detecting standard unit tokens
102          and their potential metric prefix token.
103        - NKSP language: Added support for NKSP real number literals and
104          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
105        - NKSP language: Added support for NKSP real number (floating point) script
106          variables (declare ~foo).
107        - NKSP language: Added support for NKSP real number (floating point) array
108          script variables (declare ?foo[]).
109        - Built-in script function "message()" accepts now real number argument as
110          well.
111        - Added built-in script function "real_to_int()" and its short hand form
112          "int()" for casting from real number to integer in NKSP scripts.
113        - Added built-in script function "int_to_real()" and its short hand form
114          "real()" for casting from integer to real number in NKSP scripts.
115        - Allow built-in exit() function to potentially accept real number type
116          argument as well.
117        - Built-in script functions may have a different return type depending on
118          the arguments passed to the function.
119        - Built-in script function "abs()" optionally accepts and returns real
120          number.
121        - Built-in script functions "min()" and "max()" optionally accept real
122          number arguments and return real number as result in that case.
123        - NKSP VM API: Allow units and 'final'ness to be returned as result from
124          built-in functions (added methods VMFunction::returnUnitType() and
125          VMFunction::returnsFinal() for that purpose which must be implemented by
126          built-in function implementations).
127        - NKSP language: Allow metric unit prefixes of numeric scalar and array
128          variables to be changed freely at runtime (unlike unit types like Hz etc.
129          which are still sticky, parse-time features of variables which cannot be
130          changed at runtime for the intentional sake of determinism).
131        - NKSP language: 'final' values are prohibited for array variables for now
132          (attempt causes a parsers error).
133        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
134          conditions of runtime control structures like if(), while(), select()
135          (attempt causes a parser error).
136        - NKSP VM API: Allow built-in functions to perform their own, individual
137          parse time checks of arguments going to be passed to the function at
138          runtime (added method VMFunction::checkArgs() for that purpose).
139        - NKSP language: raise parser warning if only one operand of binary
140          operators (like logical 'or' comparison) contain a 'final' value (because
141          it would always yield in a 'final' result in such cases).
142        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
143          different metric unit prefixes, which will behave as expected (e.g.
144          result of expression '1000us < 2ms' is true).
145        - NKSP language: Allow adding values with different metric unit prefixes
146          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
147        - NKSP language: Allow subtracting values with different metric unit
148          prefixes (e.g. result of expression '1ms - 20us' is '980us').
149        - NKSP language: Allow multiplying with any metric unit prefixes
150          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
151          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
152          we don't have any considerable practical use for a term like '4s^2'
153          (hence any attempt multiplying two unit types still causes parser error).
154        - NKSP language: Allow dividing by any metric unit prefixes and allow
155          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
156          yields in unit free result '8'). So this is now a way to cast units away
157          e.g. for passing the result to other expressions, certain function calls
158          or variables which are not accepting any units (or that specific unit).
159        - NKSP language: integer arrays and real number arrays can now be converted
160          to strings (e.g. for dumping their content with message() calls for
161          script debugging purposes).
162        - NKSP language: expressions and variables with units are now correctly
163          casted to strings (e.g. with message() calls).
164        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
165          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
166          floating point tolerances into account.
167        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
168          VMScalarNumberExpr::evalCastReal().
169        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
170          'VMIntArrayExpr' and 'VMRealArrayExpr'.
171        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
172          unitFactor() (runtime) methods.
173        - Built-in function "exit()" supports now returning units and 'final'ness
174          for test cases.
175        - The following built-in functions support now units as well: "abs()",
176          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
177          "real_to_int()", "int()", "int_to_real()" and "real()".
178        - Built-in functions "array_equal()", "search()" and "sort()" support now
179          real number arrays (correctly) as well.
180        - Added individual parse time checks of arguments to be passed to built-in
181          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
182          "array_equal()" and "search()" specific for their individual purposes.
183        - NKSP VM refactoring: Renamed all methods, functions and classes matching
184          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
185          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
186          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
187          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
188          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
189          isScalarNumber() -> isNumber()).
190        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
191          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
192          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
193          as convenient methods for automatically converting values to expected
194          metric value basis.
195        - Built-in function "wait()" accepts now both integers and real numbers as
196          argument.
197        - NKSP VM API cleanup: Get rid of legacy method
198          VMFunction::argType(vmint iArg) which was already superseded by its new
199          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
200        - NKSP parser: if wrong argument type was passed to a built-in function and
201          that built-in function accepts more than one data type for the argument,
202          then show all supported data types as parser error message.
203        - Built-in function "play_note()" accepts now real numbers and seconds as
204          unit type as well for its 3rd and 4th function arguments.
205        - The following built-in functions accept now real numbers as well for their
206          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
207          "change_attack()", "change_decay()", "change_release()",
208          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
209          "change_cutoff_sustain()", "change_cutoff_release()",
210          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
211          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
212          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
213        - Fixed built-in function "change_play_pos()" not having accepted metric
214          prefixes at all.
215        - Fixed the following built-in functions having misinterpreted values given
216          with unit type (for their 2nd argument) as if they were relative values
217          (that is as if they were passed without a unit type): "change_attack()",
218          "change_decay()", "change_release()", "change_cutoff_attack()",
219          "change_cutoff_decay()", "change_cutoff_release()".
220        - Fixed the following built-in functions having applied completely wrong
221          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
222          respective EGs being their modulation sink assume uint data type with
223          value range 0..1000 instead of 0.0..1.0.
224        - Added individual parse-time checks of function arguments for the following
225          built-in functions: "play_note()", "note_off()", "set_event_mark()",
226          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
227          "change_decay()", "change_release()", "change_cutoff_attack()",
228          "change_cutoff_decay()", "change_cutoff_release()",
229          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
230          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
231          "change_pan_time()".
232        - Don't abort function call if unit type was used and at the same time
233          'final' operator was omitted for the primary value argument of the
234          following built-in functions: "change_cutoff()", "change_attack()",
235          "change_decay()", "change_release()", "change_cutoff_attack()",
236          "change_cutoff_decay()", "change_cutoff_release()",
237          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
238          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
239          "change_pan_time()", instead imply 'final'ness at runtime and raise an
240          appropriate parser warning at parse time.
241        - Added built-in real number functions "round()", "ceil()", "floor()",
242          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
243          "cos()", "tan()", "asin()", "acos()", "atan()".
244        - Added built-in script real number constant "~NI_MATH_PI".
245        - Added built-in script real number constant "~NI_MATH_E".
246        - NKSP language: Allow unary '+' operator.
247        - Added built-in script functions "msb()" and "lsb()".
248        - NKSP language: Added support for RPN event handler
249          ("on rpn ... end on" in instrument scripts).
250        - NKSP language: Added support for NRPN event handler
251          ("on nrpn ... end on" in instrument scripts).
252        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
253          may be read from the new RPN/NRPN script handlers to get the (N)RPN
254          parameter that had been changed and its new value.
255        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
256          which are identifying the new (N)RPN handlers as such at script runtime.
257        - Implemented built-in script function "set_rpn()".
258        - Implemented built-in script function "set_nrpn()".
259        - Fix: built-in functions returning an array type were broken and caused a
260          crash when the built-in function's (supposed to be array) result value was
261          used by the script VM.
262        - Removed upper value constraint for 2nd argument of built-in functions
263          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
264          "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
265          "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
266          "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
267          the LFO frequency / resonance / cutoff frequency.
268        - Reduced code involved for parsing NKSP variable declarations by using 2
269          generalized grammar rules with optional components (i.e. optional value
270          assignment and optional variable qualifiers) instead of previous linear
271          combinations of grammar rules, which also fixes some edge case.
272        - NKSP language parser: track code block locations also by a) raw byte
273          position in NKSP source code string and b) length of that code block in
274          bytes (along to the already existing code block tracking by line/column);
275          and added appropriate new members to public C++ API classes like
276          'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
277        - NKSP language: Added support for 'patch' variable qualifier (capture their
278          locations and allow replacement of their assignment expression via VM C++
279          API).
280        - Fixed incorrect EG times if standard measuring unit was passed to built-in
281          functions "change_attack()", "change_decay()" or "change_release()".
282        - Fixed intermediate function result values never having reflected any
283          standard measuring unit type.
284        - Fixed re-entrant issue with function calls which caused wrong result
285          values if the same function was called multiple times in a term
286          (specifically if metric prefixes were used).
287        - NKSP language: Just throw a warning, not an error if an array variable of
288          size zero was declared.
289        - NKSP language: Allow omitting explicit array size on array variable
290          declaration if combined with immediate value assignment
291          (e.g. declare %foo[] := ( 1, 2, 3 ) ).
292        - NKSP language: emit warning if an array variable was declared with bigger
293          array size than amount of initial values been assigned, and initialize the
294          missing array elements with zero in this case.
295        - Fixed built-in NKSP exit() function to behave as return statement.
296        - NKSP parser: Fixed crash if unary '-' operator was used on a non-number
297          data type.
298        - NKSP VM: Fixed the "release" handler being executed too often under
299          certain situations if polyphonic data was passed from "note" handler to
300          "release" handler.
301        - Fixed memory leak in NKSP parser: string tokens were allocated as C
302          strings and never freed.
303        - Fixed incorrect polyphonic data transfer from wrong note handler to
304          release handler; which also fixes no release handler being executed
305          sometimes, and due to the latter it also fixes potential crashes as some
306          polyphonic script events were never released and the engine hence was
307          running out of free script events.
308        - Fixed crash when handling array results of built-in functions
309          (e.g. "num_elements(by_marks($MARK_1)").
310    
311      * test cases:
312        - Fixed compiler errors in test cases.
313        - Updated README for how to compile & run test cases.
314        - Updated test case
315          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
316          expected behaviour of the Mutex class implementation (recursive
317          mutex type).
318        - Added test cases for NKSP core language aspects and core built-in
319          functions.
320        - Fixed thread tests segfaulting on Linux.
321        - NKSP: Added real number test cases for built-in functions exit(),
322          int_to_real(), real(), real_to_int() and int(), as well as for the
323          plus, minus and negate language operators.
324        - Added massive amount of NKSP test cases for standard measuring units and
325          'final' operator usage cases.
326        - Added NKSP test cases for (floating point tolerance aware) real number
327          equalness / unequalness comparison.
328        - Added NKSP int array and real array tests for value assignment and
329          initialization of arrays.
330        - Added NKSP test cases for built-in functions "round()", "ceil()",
331          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
332          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
333        - Added NKSP test cases for unary '+' operator.
334        - Added NKSP test cases for core built-in variables.
335        - Added thorough NKSP test cases for variable declarations.
336    
337      * GigaStudio/Gigasampler format engine:
338        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
339          behaviour for start_level_mid.
340        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
341          level (see discussion "GigaStudio LFO compatibility" on mailing list
342          from 2019-09-26 for details).
343        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
344          see discussion "GigaStudio LFO compatibility" on mailing list from
345          2019-09-26 for details).
346        - Format extension: Added support for different LFO wave forms (currently
347          either sine [default], triangle, saw or square).
348        - Format extension: Added support for LFO phase displacement (0°..360°).
349        - Format extension: Added support for flipping LFO polarity on LFO 3
350          (in the original gig format this was only available for LFO 1 and LFO 2).
351        - Format extension: Support for additional filter types:
352          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
353          bandreject 2-pole.
354        - Fixd potential crash with polynomial interpolator and max. pitch.
355        - If minimum cutoff is defined, remap cutoff controller CC values to really
356          span the entire possible cutoff range (and avoiding a dead controller
357          zone).
358        - Implemented support for loading instrument scripts with 'patch' variables
359          (by patching these script variables with potentially overridden ones by
360          gig Instrument).
361    
362      * SFZ format engine:
363        - Fixed support for regions with loccN/hiccN conditions on more than one
364          MIDI controller.
365        - Fixed internal opcode 'xfin_hivel' falsely being set by user opcode
366          'xfin_lovel' (patch by Christian Czezatke).
367    
368      * Benchmarks:
369        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
370          algorithm (since result of 2nd run was not accumulated).
371        - Added benchmark for saw wave (benchmarks/saw.cpp).
372        - Added benchmark for sine wave (benchmarks/sine.cpp).
373        - Added benchmark for square wave (benchmarks/square.cpp).
374        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
375          which are large enough on modern systems.
376    
377    Version 2.1.1 (27 Jul 2019)
378    
379      * Real-time instrument scripts:
380        - Fixed behavior of built-in NKSP functions change_sustain(),
381          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
382          and change_cutoff_release().
383    
384      * general changes:
385        - Only play release trigger samples on sustain pedal up if this behaviour
386          was explicitly requested by the instrument (otherwise only on note-off).
387        - Fixed compiler warnings.
388        - Fixed compilation error when cross-compiling to Mac.
389        - FX Sends: Provide more useful error messages on routing problems
390          (see bug #169).
391        - LSCP doc: Be more clear describing the two distinct approaches
392          of using external vs. internal effects (see bug #169).
393        - "optional" class: Fixed comparison operators.
394    
395      * Gigasampler/GigaStudio format engine:
396        - Format extension: If requested by instrument then don't play release
397          trigger sample on note-off events.
398    
399      * SFZ format engine:
400        - Fixed memory leak when releasing samples
401          (fixes bug #307, patch by Jacek Roszkowski)
402        - Fixed potential crash when a sample is shared by more than one region
403          (fixes bug #308, patch by Jacek Roszkowski).
404        - Opcode 'sample': Added support for built-in sample '*silence'
405          (fixes bug #310, patch by Jacek Roszkowski).
406    
407    Version 2.1.0 (25 Nov 2017)
408    
409    * SFZ format engine:    * SFZ format engine:
410      - added support for <global>, <master> and #define (patch by Alby M)      - added support for <global>, <master> and #define (patch by Alby M)
411        - Removed code duplication in SFZ file loading code.
412        - Added support for sfz extension opcode 'script' which may be used to
413          load real-time instrument script file (NKSP script language).
414        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
415        - Fixed unintended volume fade-in of voices under certain conditions.
416        - sfz parser: allow missing space between header and opcode
417    
418      * Gigasampler/GigaStudio format engine:
419        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
420          cutoff settings.
421        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
422          all if an up-pitch of more than 40 semi tones was requested (I don't
423          think there is any stock gig sound that requires this behavior to
424          resemble its original sound).
425        - Added support for controlling whether the individual EGADSR stages may
426          be aborted (as LinuxSampler extension to the original GigaStudio 4
427          format).
428    
429    * general changes:    * general changes:
430      - fixed printf type errors (mostly in debug messages)      - fixed printf type errors (mostly in debug messages)
# Line 33  Version SVN trunk (?) Line 456  Version SVN trunk (?)
456        VirtualMidiDevice::SendChannelPressureToSampler().        VirtualMidiDevice::SendChannelPressureToSampler().
457      - windows, 32-bit: fixed potential crashes by making sure the stack in      - windows, 32-bit: fixed potential crashes by making sure the stack in
458        sub threads is 16-byte aligned        sub threads is 16-byte aligned
459        - fixed numerous compiler warnings
460        - Fixed invalid (note-on) event ID being assigned to new Note objects.
461        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
462          fixes potential undefined behavior.
463        - Fixed Note object leak when triggering notes on keys which did not
464          have a valid sample mapped (fixes bug #252).
465        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
466        - linuxsampler binary fix: option --create-instruments-db ignored
467          subsequent optional argument due to glibc's implementation oddity
468          which expects a "=" sign, but no space between them.
469    
470    * packaging changes:    * packaging changes:
471      - removed unnecessary dependency to libuuid      - removed unnecessary dependency to libuuid
472        (originated by libgig's usage of it)        (originated by libgig's usage of it)
473      - Automake: set environment variable GCC_COLORS=auto to allow GCC to      - Automake: set environment variable GCC_COLORS=auto to allow GCC to
474        auto detect whether it (sh/c)ould output its messages in color.        auto detect whether it (sh/c)ould output its messages in color.
475        - Debian: Fixed packaging error about invalid "Source-Version"
476          substitution variable.
477        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
478        - Debian: Added build dependency to libsqlite3-dev for building
479          linuxsampler with instruments DB support.
480    
481    * Real-time instrument scripts:    * Real-time instrument scripts:
482      - Implemented scheduler for delayed MIDI events and for suspended scripts.      - Implemented scheduler for delayed MIDI events and for suspended scripts.
# Line 131  Version SVN trunk (?) Line 569  Version SVN trunk (?)
569      - Provide more user friendly error messages on syntax errors.      - Provide more user friendly error messages on syntax errors.
570      - Fixed NKSP parser warning "Not a statement" when assigning an      - Fixed NKSP parser warning "Not a statement" when assigning an
571        initializer list to an array variable.        initializer list to an array variable.
572        - Implemented built-in script array variable "%ALL_EVENTS".
573        - Implemented built-in script function "in_range()".
574        - Implemented built-in script function "change_amp_lfo_depth()".
575        - Implemented built-in script function "change_amp_lfo_freq()".
576        - Implemented built-in script function "change_pitch_lfo_depth()".
577        - Implemented built-in script function "change_pitch_lfo_freq()".
578        - Implemented built-in script function "change_vol_time()".
579        - Implemented built-in script function "change_tune_time()".
580        - Implemented built-in script function "fade_in()".
581        - Implemented built-in script function "fade_out()".
582        - Fixed acceptance of wrong data type of parameters passed to built-in
583          script functions "change_vol()", "change_tune()", "change_pan()",
584          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
585          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
586          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
587        - Added built-in script function "get_event_par()" and implemented some
588          of its possible parameter selections.
589        - Added built-in script function "set_event_par()" and implemented some
590          of its possible parameter selections.
591        - Fixed a bunch of scheduler time related bugs.
592        - Fixed polyphonic variables not being reset to zero after usage.
593        - Built-in "ignore_event()" function: argument is now optional, like with
594          built-in function "ignore_controller()".
595        - Implemented built-in script function "change_velo()".
596        - Implemented built-in script function "change_note()".
597        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
598          intuitive behavior if used in combination with "change_vol_time()" or
599          "change_tune_time()" respectively: now tuning/volume changes are only
600          assigned (without delay) immediately to a new note if the respective
601          timing function has not been called before, otherwise the volume/tuning
602          changes are automatically faded (before, only the event's time stamp was
603          relevant).
604         - Implemented built-in script function "array_equal()".
605         - Implemented built-in script function "search()".
606         - Implemented built-in script function "sort()".
607         - NKSP Fix: Never suspend "init" event handlers.
608         - Implemented built-in script function "same_region()" (currently only
609           available for gig format engine).
610         - Added built-in script constant "$NKSP_LINEAR".
611         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
612         - Implemented built-in script function "change_vol_curve()".
613         - Implemented built-in script function "change_tune_curve()".
614         - built-in "play_note()" function now supports a sample playback start
615           offset with argument 3, where special value -1 means to use the regular
616           sample offset as defined by the instrument file.
617         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
618         - Built-in variable $EVENT_NOTE is now a read-only variable.
619         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
620         - built-in "play_note()" function now accepts -2 for its fourth argument
621           (note duration) which means the life time of the note shall be sticked
622           to the requested note number of argument 1.
623         - Fix: built-in "play_note()" function now returns 0 as result value if
624           -1 was passed for its fourth argument (note duration) and the respective
625           parent note is already gone.
626        - Implemented built-in script function "change_play_pos()".
627        - NKSP language: Added support for user declared const array variables.
628        - NKSP language: Raise parser warning if array variable is accessed with
629          an index that exceeds the array's size.
630        - NKSP language fix: Unknown characters were not handled correctly.
631        - NKSP language: Added support for "synchronized .. end synchronized"
632          code blocks.
633        - Implemented built-in script function "abort()" which allows to abort
634          another script handler by passing its callback ID.
635        - Fixed potential memory access bug and potential undefined behavior of
636          "init" event handlers.
637        - Print a time stamp along to each call of built-in function "message()".
638        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
639          to retrieve all code blocks filtered out by the preprocessor.
640        - Added built-in script function "fork()".
641        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
642        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
643        - Fixed potential crash when accessing dynamic built-in array variables.
644        - Added built-in script function "callback_status()".
645        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
646        - Added built-in constant $CALLBACK_STATUS_QUEUE.
647        - Added built-in constant $CALLBACK_STATUS_RUNNING.
648        - Removed max. value limitation of built-in functions "change_attack()",
649          "change_decay()" and "change_release()" to i.e. allow passing 2000000
650          for doubling the respective time.
651        - NKSP script editor syntax highlighting API: Fixed app termination due
652          to a lexer start condition stack underrun.
653        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
654          USE_CODE_IF_NOT() preprocessor statements.
655        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
656          can be set to disable all subsequent built-in "message()" function calls
657          on preprocessor level.
658        - Implemented built-in script function "change_sustain()".
659        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
660          to avoid the editor app to crash on ill-formed text input.
661        - Added built-in script function "change_pan_time()".
662        - Added built-in script function "change_pan_curve()".
663        - Added built-in script function "change_cutoff_attack()".
664        - Added built-in script function "change_cutoff_decay()".
665        - Added built-in script function "change_cutoff_sustain()".
666        - Added built-in script function "change_cutoff_release()".
667        - Added built-in script function "change_cutoff_lfo_depth()".
668        - Added built-in script function "change_cutoff_lfo_freq()".
669    
670    * Instruments DB:    * Instruments DB:
671      - Fixed memory access bug of general DB access code which lead to      - Fixed memory access bug of general DB access code which lead to
672        undefined behavior.        undefined behavior.
673        - Cleanup of instruments DB file creation and opening code.
674        - The instrument DB path of linuxsampler's --create-instruments-db argument
675          is now optional, if it is missing, then a default location is used.
676        - Added support for scanning SFZ (.sfz) files.
677        - Added support for scanning Sound Font (.sf2) files.
678        - Fixed undefined DB transaction behavior.
679    
680  Version 2.0.0 (15 July 2015)  Version 2.0.0 (15 July 2015)
681    
# Line 559  Version 2.0.0 (15 July 2015) Line 1100  Version 2.0.0 (15 July 2015)
1100        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1101      - provide comprehensive error messages on LSCP syntax errors      - provide comprehensive error messages on LSCP syntax errors
1102        (suggesting expected next non-terminal symbols)        (suggesting expected next non-terminal symbols)
1103        - Fixed client connection not being closed after network errors.
1104    
1105    * LSCP shell:    * LSCP shell:
1106      - Added support for auto correction of obvious and trivial syntax mistakes.      - Added support for auto correction of obvious and trivial syntax mistakes.
# Line 608  Version 2.0.0 (15 July 2015) Line 1150  Version 2.0.0 (15 July 2015)
1150        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1151      - Giga format scripts: Implemented built-in script function      - Giga format scripts: Implemented built-in script function
1152        "gig_set_dim_zone(event_id, dimension, zone)".        "gig_set_dim_zone(event_id, dimension, zone)".
1153      - Implemented built-in script int array variable $KEY_DOWN.      - Implemented built-in script int array variable %KEY_DOWN.
1154      - Implemented built-in script function "abs()".      - Implemented built-in script function "abs()".
1155      - Implemented built-in script function "random()".      - Implemented built-in script function "random()".
1156      - Implemented built-in script function "num_elements()".      - Implemented built-in script function "num_elements()".
# Line 622  Version 2.0.0 (15 July 2015) Line 1164  Version 2.0.0 (15 July 2015)
1164        (i.e. return value of new script function "by_marks()").        (i.e. return value of new script function "by_marks()").
1165      - Pass/preserve polyphonic variable data from respective "note" event      - Pass/preserve polyphonic variable data from respective "note" event
1166        handler to "release" event handler.        handler to "release" event handler.
1167        - Fixed crash when using built-in script function "by_marks()".
1168    
1169    * Bug fixes:    * Bug fixes:
1170      - 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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