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revision 2942 by schoenebeck, Wed Jul 13 15:51:06 2016 UTC revision 3769 by schoenebeck, Fri May 15 20:16:39 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    
70      * Real-time instrument scripts:
71        - Added method ScriptVM::setExitResultEnabled() which allows to
72          explicitly enable the built-in exit() function to optionally accept
73          one function argument; the value of the passed exit() function
74          argument will then become available by calling
75          VMExecContext::exitResult() after script execution.
76        - 64 bit support for NKSP integer scripts variables (declare $foo).
77        - Variable names, function names and preprocessor condition names must start
78          with a regular character (a-z or A-Z); starting them with a digit or
79          underscore is not allowed.
80        - NKSP parser fix: equal comparison operator "=" and not equal comparison
81          operator "#" must only accept integer operands.
82        - NKSP language: Implemented support for standard units like Hertz, seconds,
83          Bel including support for metric unit prefixes; so one can now e.g.
84          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
85          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
86          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
87        - NKSP language: Introduced "final" operator "!" which is specifically
88          intended for synthesis parameter values to denote that the synthesis
89          parameter value is intended to be the "final" value for that synthesis
90          parameter that should explicitly be used by the engine and thus causing
91          the sampler engine to ignore all other modulation sources for the same
92          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
93          variable or formula with this new "!" operator the expression is marked as
94          being "final".
95        - NKSP script editor API: Added support for detecting standard unit tokens
96          and their potential metric prefix token.
97        - NKSP language: Added support for NKSP real number literals and
98          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
99        - NKSP language: Added support for NKSP real number (floating point) script
100          variables (declare ~foo).
101        - NKSP language: Added support for NKSP real number (floating point) array
102          script variables (declare ?foo[]).
103        - Built-in script function "message()" accepts now real number argument as
104          well.
105        - Added built-in script function "real_to_int()" and its short hand form
106          "int()" for casting from real number to integer in NKSP scripts.
107        - Added built-in script function "int_to_real()" and its short hand form
108          "real()" for casting from integer to real number in NKSP scripts.
109        - Allow built-in exit() function to potentially accept real number type
110          argument as well.
111        - Built-in script functions may have a different return type depending on
112          the arguments passed to the function.
113        - Built-in script function "abs()" optionally accepts and returns real
114          number.
115        - Built-in script functions "min()" and "max()" optionally accept real
116          number arguments and return real number as result in that case.
117        - NKSP VM API: Allow units and 'final'ness to be returned as result from
118          built-in functions (added methods VMFunction::returnUnitType() and
119          VMFunction::returnsFinal() for that purpose which must be implemented by
120          built-in function implementations).
121        - NKSP language: Allow metric unit prefixes of numeric scalar and array
122          variables to be changed freely at runtime (unlike unit types like Hz etc.
123          which are still sticky, parse-time features of variables which cannot be
124          changed at runtime for the intentional sake of determinism).
125        - NKSP language: 'final' values are prohibited for array variables for now
126          (attempt causes a parsers error).
127        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
128          conditions of runtime control structures like if(), while(), select()
129          (attempt causes a parser error).
130        - NKSP VM API: Allow built-in functions to perform their own, individual
131          parse time checks of arguments going to be passed to the function at
132          runtime (added method VMFunction::checkArgs() for that purpose).
133        - NKSP language: raise parser warning if only one operand of binary
134          operators (like logical 'or' comparison) contain a 'final' value (because
135          it would always yield in a 'final' result in such cases).
136        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
137          different metric unit prefixes, which will behave as expected (e.g.
138          result of expression '1000us < 2ms' is true).
139        - NKSP language: Allow adding values with different metric unit prefixes
140          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
141        - NKSP language: Allow subtracting values with different metric unit
142          prefixes (e.g. result of expression '1ms - 20us' is '980us').
143        - NKSP language: Allow multiplying with any metric unit prefixes
144          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
145          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
146          we don't have any considerable practical use for a term like '4s^2'
147          (hence any attempt multiplying two unit types still causes parser error).
148        - NKSP language: Allow dividing by any metric unit prefixes and allow
149          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
150          yields in unit free result '8'). So this is now a way to cast units away
151          e.g. for passing the result to other expressions, certain function calls
152          or variables which are not accepting any units (or that specific unit).
153        - NKSP language: integer arrays and real number arrays can now be converted
154          to strings (e.g. for dumping their content with message() calls for
155          script debugging purposes).
156        - NKSP language: expressions and variables with units are now correctly
157          casted to strings (e.g. with message() calls).
158        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
159          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
160          floating point tolerances into account.
161        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
162          VMScalarNumberExpr::evalCastReal().
163        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
164          'VMIntArrayExpr' and 'VMRealArrayExpr'.
165        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
166          unitFactor() (runtime) methods.
167        - Built-in function "exit()" supports now returning units and 'final'ness
168          for test cases.
169        - The following built-in functions support now units as well: "abs()",
170          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
171          "real_to_int()", "int()", "int_to_real()" and "real()".
172        - Built-in functions "array_equal()", "search()" and "sort()" support now
173          real number arrays (correctly) as well.
174        - Added individual parse time checks of arguments to be passed to built-in
175          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
176          "array_equal()" and "search()" specific for their individual purposes.
177        - NKSP VM refactoring: Renamed all methods, functions and classes matching
178          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
179          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
180          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
181          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
182          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
183          isScalarNumber() -> isNumber()).
184        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
185          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
186          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
187          as convenient methods for automatically converting values to expected
188          metric value basis.
189        - Built-in function "wait()" accepts now both integers and real numbers as
190          argument.
191        - NKSP VM API cleanup: Get rid of legacy method
192          VMFunction::argType(vmint iArg) which was already superseded by its new
193          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
194        - NKSP parser: if wrong argument type was passed to a built-in function and
195          that built-in function accepts more than one data type for the argument,
196          then show all supported data types as parser error message.
197        - Built-in function "play_note()" accepts now real numbers and seconds as
198          unit type as well for its 3rd and 4th function arguments.
199        - The following built-in functions accept now real numbers as well for their
200          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
201          "change_attack()", "change_decay()", "change_release()",
202          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
203          "change_cutoff_sustain()", "change_cutoff_release()",
204          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
205          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
206          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
207        - Fixed built-in function "change_play_pos()" not having accepted metric
208          prefixes at all.
209        - Fixed the following built-in functions having misinterpreted values given
210          with unit type (for their 2nd argument) as if they were relative values
211          (that is as if they were passed without a unit type): "change_attack()",
212          "change_decay()", "change_release()", "change_cutoff_attack()",
213          "change_cutoff_decay()", "change_cutoff_release()".
214        - Fixed the following built-in functions having applied completely wrong
215          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
216          respective EGs being their modulation sink assume uint data type with
217          value range 0..1000 instead of 0.0..1.0.
218        - Added individual parse-time checks of function arguments for the following
219          built-in functions: "play_note()", "note_off()", "set_event_mark()",
220          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
221          "change_decay()", "change_release()", "change_cutoff_attack()",
222          "change_cutoff_decay()", "change_cutoff_release()",
223          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
224          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
225          "change_pan_time()".
226        - Don't abort function call if unit type was used and at the same time
227          'final' operator was omitted for the primary value argument of the
228          following built-in functions: "change_cutoff()", "change_attack()",
229          "change_decay()", "change_release()", "change_cutoff_attack()",
230          "change_cutoff_decay()", "change_cutoff_release()",
231          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
232          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
233          "change_pan_time()", instead imply 'final'ness at runtime and raise an
234          appropriate parser warning at parse time.
235        - Added built-in real number functions "round()", "ceil()", "floor()",
236          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
237          "cos()", "tan()", "asin()", "acos()", "atan()".
238        - Added built-in script real number constant "~NI_MATH_PI".
239        - Added built-in script real number constant "~NI_MATH_E".
240        - NKSP language: Allow unary '+' operator.
241        - Added built-in script functions "msb()" and "lsb()".
242        - NKSP language: Added support for RPN event handler
243          ("on rpn ... end on" in instrument scripts).
244        - NKSP language: Added support for NRPN event handler
245          ("on nrpn ... end on" in instrument scripts).
246        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
247          may be read from the new RPN/NRPN script handlers to get the (N)RPN
248          parameter that had been changed and its new value.
249        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
250          which are identifying the new (N)RPN handlers as such at script runtime.
251        - Implemented built-in script function "set_rpn()".
252        - Implemented built-in script function "set_nrpn()".
253        - Fix: built-in functions returning an array type were broken and caused a
254          crash when the built-in function's (supposed to be array) result value was
255          used by the script VM.
256        - Removed upper value constraint for 2nd argument of built-in functions
257          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
258          "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
259          "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
260          "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
261          the LFO frequency / resonance / cutoff frequency.
262        - Reduced code involved for parsing NKSP variable declarations by using 2
263          generalized grammar rules with optional components (i.e. optional value
264          assignment and optional variable qualifiers) instead of previous linear
265          combinations of grammar rules, which also fixes some edge case.
266        - NKSP language parser: track code block locations also by a) raw byte
267          position in NKSP source code string and b) length of that code block in
268          bytes (along to the already existing code block tracking by line/column);
269          and added appropriate new members to public C++ API classes like
270          'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
271        - NKSP language: Added support for 'patch' variable qualifier (capture their
272          locations and allow replacement of their assignment expression via VM C++
273          API).
274        - Fixed incorrect EG times if standard measuring unit was passed to built-in
275          functions "change_attack()", "change_decay()" or "change_release()".
276        - Fixed intermediate function result values never having reflected any
277          standard measuring unit type.
278        - Fixed re-entrant issue with function calls which caused wrong result
279          values if the same function was called multiple times in a term
280          (specifically if metric prefixes were used).
281    
282      * test cases:
283        - Fixed compiler errors in test cases.
284        - Updated README for how to compile & run test cases.
285        - Updated test case
286          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
287          expected behaviour of the Mutex class implementation (recursive
288          mutex type).
289        - Added test cases for NKSP core language aspects and core built-in
290          functions.
291        - Fixed thread tests segfaulting on Linux.
292        - NKSP: Added real number test cases for built-in functions exit(),
293          int_to_real(), real(), real_to_int() and int(), as well as for the
294          plus, minus and negate language operators.
295        - Added massive amount of NKSP test cases for standard measuring units and
296          'final' operator usage cases.
297        - Added NKSP test cases for (floating point tolerance aware) real number
298          equalness / unequalness comparison.
299        - Added NKSP int array and real array tests for value assignment and
300          initialization of arrays.
301        - Added NKSP test cases for built-in functions "round()", "ceil()",
302          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
303          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
304        - Added NKSP test cases for unary '+' operator.
305        - Added NKSP test cases for core built-in variables.
306        - Added thorough NKSP test cases for variable declarations.
307    
308      * GigaStudio/Gigasampler format engine:
309        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
310          behaviour for start_level_mid.
311        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
312          level (see discussion "GigaStudio LFO compatibility" on mailing list
313          from 2019-09-26 for details).
314        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
315          see discussion "GigaStudio LFO compatibility" on mailing list from
316          2019-09-26 for details).
317        - Format extension: Added support for different LFO wave forms (currently
318          either sine [default], triangle, saw or square).
319        - Format extension: Added support for LFO phase displacement (0°..360°).
320        - Format extension: Added support for flipping LFO polarity on LFO 3
321          (in the original gig format this was only available for LFO 1 and LFO 2).
322        - Format extension: Support for additional filter types:
323          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
324          bandreject 2-pole.
325        - Fixd potential crash with polynomial interpolator and max. pitch.
326        - If minimum cutoff is defined, remap cutoff controller CC values to really
327          span the entire possible cutoff range (and avoiding a dead controller
328          zone).
329        - Implemented support for loading instrument scripts with 'patch' variables
330          (by patching these script variables with potentially overridden ones by
331          gig Instrument).
332    
333      * SFZ format engine:
334        - Fixed support for regions with loccN/hiccN conditions on more than one
335          MIDI controller.
336    
337      * Benchmarks:
338        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
339          algorithm (since result of 2nd run was not accumulated).
340        - Added benchmark for saw wave (benchmarks/saw.cpp).
341        - Added benchmark for sine wave (benchmarks/sine.cpp).
342        - Added benchmark for square wave (benchmarks/square.cpp).
343        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
344          which are large enough on modern systems.
345    
346    Version 2.1.1 (27 Jul 2019)
347    
348      * Real-time instrument scripts:
349        - Fixed behavior of built-in NKSP functions change_sustain(),
350          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
351          and change_cutoff_release().
352    
353      * general changes:
354        - Only play release trigger samples on sustain pedal up if this behaviour
355          was explicitly requested by the instrument (otherwise only on note-off).
356        - Fixed compiler warnings.
357        - Fixed compilation error when cross-compiling to Mac.
358        - FX Sends: Provide more useful error messages on routing problems
359          (see bug #169).
360        - LSCP doc: Be more clear describing the two distinct approaches
361          of using external vs. internal effects (see bug #169).
362        - "optional" class: Fixed comparison operators.
363    
364      * Gigasampler/GigaStudio format engine:
365        - Format extension: If requested by instrument then don't play release
366          trigger sample on note-off events.
367    
368      * SFZ format engine:
369        - Fixed memory leak when releasing samples
370          (fixes bug #307, patch by Jacek Roszkowski)
371        - Fixed potential crash when a sample is shared by more than one region
372          (fixes bug #308, patch by Jacek Roszkowski).
373        - Opcode 'sample': Added support for built-in sample '*silence'
374          (fixes bug #310, patch by Jacek Roszkowski).
375    
376    Version 2.1.0 (25 Nov 2017)
377    
378    * SFZ format engine:    * SFZ format engine:
379      - added support for <global>, <master> and #define (patch by Alby M)      - added support for <global>, <master> and #define (patch by Alby M)
380        - Removed code duplication in SFZ file loading code.
381        - Added support for sfz extension opcode 'script' which may be used to
382          load real-time instrument script file (NKSP script language).
383        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
384        - Fixed unintended volume fade-in of voices under certain conditions.
385        - sfz parser: allow missing space between header and opcode
386    
387      * Gigasampler/GigaStudio format engine:
388        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
389          cutoff settings.
390        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
391          all if an up-pitch of more than 40 semi tones was requested (I don't
392          think there is any stock gig sound that requires this behavior to
393          resemble its original sound).
394        - Added support for controlling whether the individual EGADSR stages may
395          be aborted (as LinuxSampler extension to the original GigaStudio 4
396          format).
397    
398    * general changes:    * general changes:
399      - fixed printf type errors (mostly in debug messages)      - fixed printf type errors (mostly in debug messages)
# Line 24  Version SVN trunk (?) Line 416  Version SVN trunk (?)
416        (CC #64) events.        (CC #64) events.
417      - Fix: Release trigger voices can now also distinguish correctly between      - Fix: Release trigger voices can now also distinguish correctly between
418        note-off and sustain pedal up events.        note-off and sustain pedal up events.
419        - All engines: Increased ramp speed of volume smoother and pan smoother
420          (while slow rate of crossfade smoother is preserved) to allow quick
421          volume and pan changes by instrument scripts for instance.
422        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
423          properly and thus were ignored for certain uses.
424        - Added new C++ API method
425          VirtualMidiDevice::SendChannelPressureToSampler().
426        - windows, 32-bit: fixed potential crashes by making sure the stack in
427          sub threads is 16-byte aligned
428        - fixed numerous compiler warnings
429        - Fixed invalid (note-on) event ID being assigned to new Note objects.
430        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
431          fixes potential undefined behavior.
432        - Fixed Note object leak when triggering notes on keys which did not
433          have a valid sample mapped (fixes bug #252).
434        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
435        - linuxsampler binary fix: option --create-instruments-db ignored
436          subsequent optional argument due to glibc's implementation oddity
437          which expects a "=" sign, but no space between them.
438    
439    * packaging changes:    * packaging changes:
440      - removed unnecessary dependency to libuuid      - removed unnecessary dependency to libuuid
441        (originated by libgig's usage of it)        (originated by libgig's usage of it)
442      - Automake: set environment variable GCC_COLORS=auto to allow GCC to      - Automake: set environment variable GCC_COLORS=auto to allow GCC to
443        auto detect whether it (sh/c)ould output its messages in color.        auto detect whether it (sh/c)ould output its messages in color.
444        - Debian: Fixed packaging error about invalid "Source-Version"
445          substitution variable.
446        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
447        - Debian: Added build dependency to libsqlite3-dev for building
448          linuxsampler with instruments DB support.
449    
450    * Real-time instrument scripts:    * Real-time instrument scripts:
451      - Implemented scheduler for delayed MIDI events and for suspended scripts.      - Implemented scheduler for delayed MIDI events and for suspended scripts.
# Line 80  Version SVN trunk (?) Line 496  Version SVN trunk (?)
496      - Implemented built-in script variable "$NKSP_REAL_TIMER".      - Implemented built-in script variable "$NKSP_REAL_TIMER".
497      - Implemented built-in script variable "$NKSP_PERF_TIMER".      - Implemented built-in script variable "$NKSP_PERF_TIMER".
498      - Implemented built-in script variable "$ENGINE_UPTIME".      - Implemented built-in script variable "$ENGINE_UPTIME".
499        - Implemented built-in script function "inc()".
500        - Implemented built-in script function "dec()".
501        - NKSP language fix: division expressions were evaluated too often.
502        - NKSP language fix: string concatenation operator was right
503          associative instead of left (to right).
504        - NKSP language correction: allow empty statements in entire language
505          (i.e. "if end if").
506        - Implemented built-in script function "stop_wait()".
507        - Implemented built-in script variable "$NI_CALLBACK_ID".
508        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
509        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
510        - Added support for read-only built-in variables (respectively
511          handled by the script parser).
512        - Added built-in script constant "$NI_CB_TYPE_INIT".
513        - Added built-in script constant "$NI_CB_TYPE_NOTE".
514        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
515        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
516        - NKSP Language: Added support for user defined script functions.
517        - Implemented built-in script function "change_attack()".
518        - Implemented built-in script function "change_decay()".
519        - Implemented built-in script function "change_release()".
520        - Fixed all change_*() built-in script functions to apply their
521          synthesis parameter changes immediately in case the respective note
522          was triggered at the same time, instead of scheduling the parameter
523          change, especially because it would cause some parameter types's
524          changes either to be ramped (i.e. change_vol()) or other types even
525          to have not effect at all (i.e. change_attack()).
526        - Implemented built-in script function "sh_left()".
527        - Implemented built-in script function "sh_right()".
528        - Implemented built-in script function "min()".
529        - Implemented built-in script function "max()".
530        - NKSP Fix: "init" event handler was not always executed when a script
531          was loaded.
532        - NKSP built-in wait() script function: abort script execution if
533          a negative or zero wait time was passed as argument (since this is
534          a common indication of a bug either of the script or even of the
535          engine, which could lead to RT instability or even worse).
536        - ScriptVM: Implemented automatic suspension of RT safety
537          threatening scripts.
538        - Provide more user friendly error messages on syntax errors.
539        - Fixed NKSP parser warning "Not a statement" when assigning an
540          initializer list to an array variable.
541        - Implemented built-in script array variable "%ALL_EVENTS".
542        - Implemented built-in script function "in_range()".
543        - Implemented built-in script function "change_amp_lfo_depth()".
544        - Implemented built-in script function "change_amp_lfo_freq()".
545        - Implemented built-in script function "change_pitch_lfo_depth()".
546        - Implemented built-in script function "change_pitch_lfo_freq()".
547        - Implemented built-in script function "change_vol_time()".
548        - Implemented built-in script function "change_tune_time()".
549        - Implemented built-in script function "fade_in()".
550        - Implemented built-in script function "fade_out()".
551        - Fixed acceptance of wrong data type of parameters passed to built-in
552          script functions "change_vol()", "change_tune()", "change_pan()",
553          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
554          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
555          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
556        - Added built-in script function "get_event_par()" and implemented some
557          of its possible parameter selections.
558        - Added built-in script function "set_event_par()" and implemented some
559          of its possible parameter selections.
560        - Fixed a bunch of scheduler time related bugs.
561        - Fixed polyphonic variables not being reset to zero after usage.
562        - Built-in "ignore_event()" function: argument is now optional, like with
563          built-in function "ignore_controller()".
564        - Implemented built-in script function "change_velo()".
565        - Implemented built-in script function "change_note()".
566        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
567          intuitive behavior if used in combination with "change_vol_time()" or
568          "change_tune_time()" respectively: now tuning/volume changes are only
569          assigned (without delay) immediately to a new note if the respective
570          timing function has not been called before, otherwise the volume/tuning
571          changes are automatically faded (before, only the event's time stamp was
572          relevant).
573         - Implemented built-in script function "array_equal()".
574         - Implemented built-in script function "search()".
575         - Implemented built-in script function "sort()".
576         - NKSP Fix: Never suspend "init" event handlers.
577         - Implemented built-in script function "same_region()" (currently only
578           available for gig format engine).
579         - Added built-in script constant "$NKSP_LINEAR".
580         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
581         - Implemented built-in script function "change_vol_curve()".
582         - Implemented built-in script function "change_tune_curve()".
583         - built-in "play_note()" function now supports a sample playback start
584           offset with argument 3, where special value -1 means to use the regular
585           sample offset as defined by the instrument file.
586         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
587         - Built-in variable $EVENT_NOTE is now a read-only variable.
588         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
589         - built-in "play_note()" function now accepts -2 for its fourth argument
590           (note duration) which means the life time of the note shall be sticked
591           to the requested note number of argument 1.
592         - Fix: built-in "play_note()" function now returns 0 as result value if
593           -1 was passed for its fourth argument (note duration) and the respective
594           parent note is already gone.
595        - Implemented built-in script function "change_play_pos()".
596        - NKSP language: Added support for user declared const array variables.
597        - NKSP language: Raise parser warning if array variable is accessed with
598          an index that exceeds the array's size.
599        - NKSP language fix: Unknown characters were not handled correctly.
600        - NKSP language: Added support for "synchronized .. end synchronized"
601          code blocks.
602        - Implemented built-in script function "abort()" which allows to abort
603          another script handler by passing its callback ID.
604        - Fixed potential memory access bug and potential undefined behavior of
605          "init" event handlers.
606        - Print a time stamp along to each call of built-in function "message()".
607        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
608          to retrieve all code blocks filtered out by the preprocessor.
609        - Added built-in script function "fork()".
610        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
611        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
612        - Fixed potential crash when accessing dynamic built-in array variables.
613        - Added built-in script function "callback_status()".
614        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
615        - Added built-in constant $CALLBACK_STATUS_QUEUE.
616        - Added built-in constant $CALLBACK_STATUS_RUNNING.
617        - Removed max. value limitation of built-in functions "change_attack()",
618          "change_decay()" and "change_release()" to i.e. allow passing 2000000
619          for doubling the respective time.
620        - NKSP script editor syntax highlighting API: Fixed app termination due
621          to a lexer start condition stack underrun.
622        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
623          USE_CODE_IF_NOT() preprocessor statements.
624        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
625          can be set to disable all subsequent built-in "message()" function calls
626          on preprocessor level.
627        - Implemented built-in script function "change_sustain()".
628        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
629          to avoid the editor app to crash on ill-formed text input.
630        - Added built-in script function "change_pan_time()".
631        - Added built-in script function "change_pan_curve()".
632        - Added built-in script function "change_cutoff_attack()".
633        - Added built-in script function "change_cutoff_decay()".
634        - Added built-in script function "change_cutoff_sustain()".
635        - Added built-in script function "change_cutoff_release()".
636        - Added built-in script function "change_cutoff_lfo_depth()".
637        - Added built-in script function "change_cutoff_lfo_freq()".
638    
639      * Instruments DB:
640        - Fixed memory access bug of general DB access code which lead to
641          undefined behavior.
642        - Cleanup of instruments DB file creation and opening code.
643        - The instrument DB path of linuxsampler's --create-instruments-db argument
644          is now optional, if it is missing, then a default location is used.
645        - Added support for scanning SFZ (.sfz) files.
646        - Added support for scanning Sound Font (.sf2) files.
647        - Fixed undefined DB transaction behavior.
648    
649  Version 2.0.0 (15 July 2015)  Version 2.0.0 (15 July 2015)
650    
# Line 504  Version 2.0.0 (15 July 2015) Line 1069  Version 2.0.0 (15 July 2015)
1069        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1070      - provide comprehensive error messages on LSCP syntax errors      - provide comprehensive error messages on LSCP syntax errors
1071        (suggesting expected next non-terminal symbols)        (suggesting expected next non-terminal symbols)
1072        - Fixed client connection not being closed after network errors.
1073    
1074    * LSCP shell:    * LSCP shell:
1075      - Added support for auto correction of obvious and trivial syntax mistakes.      - Added support for auto correction of obvious and trivial syntax mistakes.
# Line 553  Version 2.0.0 (15 July 2015) Line 1119  Version 2.0.0 (15 July 2015)
1119        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.        $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1120      - Giga format scripts: Implemented built-in script function      - Giga format scripts: Implemented built-in script function
1121        "gig_set_dim_zone(event_id, dimension, zone)".        "gig_set_dim_zone(event_id, dimension, zone)".
1122      - Implemented built-in script int array variable $KEY_DOWN.      - Implemented built-in script int array variable %KEY_DOWN.
1123      - Implemented built-in script function "abs()".      - Implemented built-in script function "abs()".
1124      - Implemented built-in script function "random()".      - Implemented built-in script function "random()".
1125      - Implemented built-in script function "num_elements()".      - Implemented built-in script function "num_elements()".
# Line 567  Version 2.0.0 (15 July 2015) Line 1133  Version 2.0.0 (15 July 2015)
1133        (i.e. return value of new script function "by_marks()").        (i.e. return value of new script function "by_marks()").
1134      - Pass/preserve polyphonic variable data from respective "note" event      - Pass/preserve polyphonic variable data from respective "note" event
1135        handler to "release" event handler.        handler to "release" event handler.
1136        - Fixed crash when using built-in script function "by_marks()".
1137    
1138    * Bug fixes:    * Bug fixes:
1139      - 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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