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revision 2326 by persson, Thu Mar 8 19:40:14 2012 UTC revision 3836 by schoenebeck, Sat Nov 28 14:47:14 2020 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3    * plugin changes:    * general changes:
4      - LV2 "state" extension support (patch by David Robillard)      - 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    
73      * Real-time instrument scripts:
74        - Added method ScriptVM::setExitResultEnabled() which allows to
75          explicitly enable the built-in exit() function to optionally accept
76          one function argument; the value of the passed exit() function
77          argument will then become available by calling
78          VMExecContext::exitResult() after script execution.
79        - 64 bit support for NKSP integer scripts variables (declare $foo).
80        - Variable names, function names and preprocessor condition names must start
81          with a regular character (a-z or A-Z); starting them with a digit or
82          underscore is not allowed.
83        - NKSP parser fix: equal comparison operator "=" and not equal comparison
84          operator "#" must only accept integer operands.
85        - NKSP language: Implemented support for standard units like Hertz, seconds,
86          Bel including support for metric unit prefixes; so one can now e.g.
87          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
88          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
89          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
90        - NKSP language: Introduced "final" operator "!" which is specifically
91          intended for synthesis parameter values to denote that the synthesis
92          parameter value is intended to be the "final" value for that synthesis
93          parameter that should explicitly be used by the engine and thus causing
94          the sampler engine to ignore all other modulation sources for the same
95          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
96          variable or formula with this new "!" operator the expression is marked as
97          being "final".
98        - NKSP script editor API: Added support for detecting standard unit tokens
99          and their potential metric prefix token.
100        - NKSP language: Added support for NKSP real number literals and
101          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
102        - NKSP language: Added support for NKSP real number (floating point) script
103          variables (declare ~foo).
104        - NKSP language: Added support for NKSP real number (floating point) array
105          script variables (declare ?foo[]).
106        - Built-in script function "message()" accepts now real number argument as
107          well.
108        - Added built-in script function "real_to_int()" and its short hand form
109          "int()" for casting from real number to integer in NKSP scripts.
110        - Added built-in script function "int_to_real()" and its short hand form
111          "real()" for casting from integer to real number in NKSP scripts.
112        - Allow built-in exit() function to potentially accept real number type
113          argument as well.
114        - Built-in script functions may have a different return type depending on
115          the arguments passed to the function.
116        - Built-in script function "abs()" optionally accepts and returns real
117          number.
118        - Built-in script functions "min()" and "max()" optionally accept real
119          number arguments and return real number as result in that case.
120        - NKSP VM API: Allow units and 'final'ness to be returned as result from
121          built-in functions (added methods VMFunction::returnUnitType() and
122          VMFunction::returnsFinal() for that purpose which must be implemented by
123          built-in function implementations).
124        - NKSP language: Allow metric unit prefixes of numeric scalar and array
125          variables to be changed freely at runtime (unlike unit types like Hz etc.
126          which are still sticky, parse-time features of variables which cannot be
127          changed at runtime for the intentional sake of determinism).
128        - NKSP language: 'final' values are prohibited for array variables for now
129          (attempt causes a parsers error).
130        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
131          conditions of runtime control structures like if(), while(), select()
132          (attempt causes a parser error).
133        - NKSP VM API: Allow built-in functions to perform their own, individual
134          parse time checks of arguments going to be passed to the function at
135          runtime (added method VMFunction::checkArgs() for that purpose).
136        - NKSP language: raise parser warning if only one operand of binary
137          operators (like logical 'or' comparison) contain a 'final' value (because
138          it would always yield in a 'final' result in such cases).
139        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
140          different metric unit prefixes, which will behave as expected (e.g.
141          result of expression '1000us < 2ms' is true).
142        - NKSP language: Allow adding values with different metric unit prefixes
143          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
144        - NKSP language: Allow subtracting values with different metric unit
145          prefixes (e.g. result of expression '1ms - 20us' is '980us').
146        - NKSP language: Allow multiplying with any metric unit prefixes
147          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
148          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
149          we don't have any considerable practical use for a term like '4s^2'
150          (hence any attempt multiplying two unit types still causes parser error).
151        - NKSP language: Allow dividing by any metric unit prefixes and allow
152          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
153          yields in unit free result '8'). So this is now a way to cast units away
154          e.g. for passing the result to other expressions, certain function calls
155          or variables which are not accepting any units (or that specific unit).
156        - NKSP language: integer arrays and real number arrays can now be converted
157          to strings (e.g. for dumping their content with message() calls for
158          script debugging purposes).
159        - NKSP language: expressions and variables with units are now correctly
160          casted to strings (e.g. with message() calls).
161        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
162          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
163          floating point tolerances into account.
164        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
165          VMScalarNumberExpr::evalCastReal().
166        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
167          'VMIntArrayExpr' and 'VMRealArrayExpr'.
168        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
169          unitFactor() (runtime) methods.
170        - Built-in function "exit()" supports now returning units and 'final'ness
171          for test cases.
172        - The following built-in functions support now units as well: "abs()",
173          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
174          "real_to_int()", "int()", "int_to_real()" and "real()".
175        - Built-in functions "array_equal()", "search()" and "sort()" support now
176          real number arrays (correctly) as well.
177        - Added individual parse time checks of arguments to be passed to built-in
178          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
179          "array_equal()" and "search()" specific for their individual purposes.
180        - NKSP VM refactoring: Renamed all methods, functions and classes matching
181          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
182          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
183          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
184          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
185          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
186          isScalarNumber() -> isNumber()).
187        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
188          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
189          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
190          as convenient methods for automatically converting values to expected
191          metric value basis.
192        - Built-in function "wait()" accepts now both integers and real numbers as
193          argument.
194        - NKSP VM API cleanup: Get rid of legacy method
195          VMFunction::argType(vmint iArg) which was already superseded by its new
196          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
197        - NKSP parser: if wrong argument type was passed to a built-in function and
198          that built-in function accepts more than one data type for the argument,
199          then show all supported data types as parser error message.
200        - Built-in function "play_note()" accepts now real numbers and seconds as
201          unit type as well for its 3rd and 4th function arguments.
202        - The following built-in functions accept now real numbers as well for their
203          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
204          "change_attack()", "change_decay()", "change_release()",
205          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
206          "change_cutoff_sustain()", "change_cutoff_release()",
207          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
208          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
209          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
210        - Fixed built-in function "change_play_pos()" not having accepted metric
211          prefixes at all.
212        - Fixed the following built-in functions having misinterpreted values given
213          with unit type (for their 2nd argument) as if they were relative values
214          (that is as if they were passed without a unit type): "change_attack()",
215          "change_decay()", "change_release()", "change_cutoff_attack()",
216          "change_cutoff_decay()", "change_cutoff_release()".
217        - Fixed the following built-in functions having applied completely wrong
218          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
219          respective EGs being their modulation sink assume uint data type with
220          value range 0..1000 instead of 0.0..1.0.
221        - Added individual parse-time checks of function arguments for the following
222          built-in functions: "play_note()", "note_off()", "set_event_mark()",
223          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
224          "change_decay()", "change_release()", "change_cutoff_attack()",
225          "change_cutoff_decay()", "change_cutoff_release()",
226          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
227          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
228          "change_pan_time()".
229        - Don't abort function call if unit type was used and at the same time
230          'final' operator was omitted for the primary value argument of the
231          following built-in functions: "change_cutoff()", "change_attack()",
232          "change_decay()", "change_release()", "change_cutoff_attack()",
233          "change_cutoff_decay()", "change_cutoff_release()",
234          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
235          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
236          "change_pan_time()", instead imply 'final'ness at runtime and raise an
237          appropriate parser warning at parse time.
238        - Added built-in real number functions "round()", "ceil()", "floor()",
239          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
240          "cos()", "tan()", "asin()", "acos()", "atan()".
241        - Added built-in script real number constant "~NI_MATH_PI".
242        - Added built-in script real number constant "~NI_MATH_E".
243        - NKSP language: Allow unary '+' operator.
244        - Added built-in script functions "msb()" and "lsb()".
245        - NKSP language: Added support for RPN event handler
246          ("on rpn ... end on" in instrument scripts).
247        - NKSP language: Added support for NRPN event handler
248          ("on nrpn ... end on" in instrument scripts).
249        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
250          may be read from the new RPN/NRPN script handlers to get the (N)RPN
251          parameter that had been changed and its new value.
252        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
253          which are identifying the new (N)RPN handlers as such at script runtime.
254        - Implemented built-in script function "set_rpn()".
255        - Implemented built-in script function "set_nrpn()".
256        - Fix: built-in functions returning an array type were broken and caused a
257          crash when the built-in function's (supposed to be array) result value was
258          used by the script VM.
259        - Removed upper value constraint for 2nd argument of built-in functions
260          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
261          "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
262          "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
263          "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
264          the LFO frequency / resonance / cutoff frequency.
265        - Reduced code involved for parsing NKSP variable declarations by using 2
266          generalized grammar rules with optional components (i.e. optional value
267          assignment and optional variable qualifiers) instead of previous linear
268          combinations of grammar rules, which also fixes some edge case.
269        - NKSP language parser: track code block locations also by a) raw byte
270          position in NKSP source code string and b) length of that code block in
271          bytes (along to the already existing code block tracking by line/column);
272          and added appropriate new members to public C++ API classes like
273          'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
274        - NKSP language: Added support for 'patch' variable qualifier (capture their
275          locations and allow replacement of their assignment expression via VM C++
276          API).
277        - Fixed incorrect EG times if standard measuring unit was passed to built-in
278          functions "change_attack()", "change_decay()" or "change_release()".
279        - Fixed intermediate function result values never having reflected any
280          standard measuring unit type.
281        - Fixed re-entrant issue with function calls which caused wrong result
282          values if the same function was called multiple times in a term
283          (specifically if metric prefixes were used).
284        - NKSP language: Just throw a warning, not an error if an array variable of
285          size zero was declared.
286        - NKSP language: Allow omitting explicit array size on array variable
287          declaration if combined with immediate value assignment
288          (e.g. declare %foo[] := ( 1, 2, 3 ) ).
289        - NKSP language: emit warning if an array variable was declared with bigger
290          array size than amount of initial values been assigned, and initialize the
291          missing array elements with zero in this case.
292        - Fixed built-in NKSP exit() function to behave as return statement.
293        - NKSP parser: Fixed crash if unary '-' operator was used on a non-number
294          data type.
295        - NKSP VM: Fixed the "release" handler being executed too often under
296          certain situations if polyphonic data was passed from "note" handler to
297          "release" handler.
298        - Fixed memory leak in NKSP parser: string tokens were allocated as C
299          strings and never freed.
300    
301      * test cases:
302        - Fixed compiler errors in test cases.
303        - Updated README for how to compile & run test cases.
304        - Updated test case
305          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
306          expected behaviour of the Mutex class implementation (recursive
307          mutex type).
308        - Added test cases for NKSP core language aspects and core built-in
309          functions.
310        - Fixed thread tests segfaulting on Linux.
311        - NKSP: Added real number test cases for built-in functions exit(),
312          int_to_real(), real(), real_to_int() and int(), as well as for the
313          plus, minus and negate language operators.
314        - Added massive amount of NKSP test cases for standard measuring units and
315          'final' operator usage cases.
316        - Added NKSP test cases for (floating point tolerance aware) real number
317          equalness / unequalness comparison.
318        - Added NKSP int array and real array tests for value assignment and
319          initialization of arrays.
320        - Added NKSP test cases for built-in functions "round()", "ceil()",
321          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
322          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
323        - Added NKSP test cases for unary '+' operator.
324        - Added NKSP test cases for core built-in variables.
325        - Added thorough NKSP test cases for variable declarations.
326    
327      * GigaStudio/Gigasampler format engine:
328        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
329          behaviour for start_level_mid.
330        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
331          level (see discussion "GigaStudio LFO compatibility" on mailing list
332          from 2019-09-26 for details).
333        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
334          see discussion "GigaStudio LFO compatibility" on mailing list from
335          2019-09-26 for details).
336        - Format extension: Added support for different LFO wave forms (currently
337          either sine [default], triangle, saw or square).
338        - Format extension: Added support for LFO phase displacement (0°..360°).
339        - Format extension: Added support for flipping LFO polarity on LFO 3
340          (in the original gig format this was only available for LFO 1 and LFO 2).
341        - Format extension: Support for additional filter types:
342          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
343          bandreject 2-pole.
344        - Fixd potential crash with polynomial interpolator and max. pitch.
345        - If minimum cutoff is defined, remap cutoff controller CC values to really
346          span the entire possible cutoff range (and avoiding a dead controller
347          zone).
348        - Implemented support for loading instrument scripts with 'patch' variables
349          (by patching these script variables with potentially overridden ones by
350          gig Instrument).
351    
352      * SFZ format engine:
353        - Fixed support for regions with loccN/hiccN conditions on more than one
354          MIDI controller.
355        - Fixed internal opcode 'xfin_hivel' falsely being set by user opcode
356          'xfin_lovel' (patch by Christian Czezatke).
357    
358      * Benchmarks:
359        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
360          algorithm (since result of 2nd run was not accumulated).
361        - Added benchmark for saw wave (benchmarks/saw.cpp).
362        - Added benchmark for sine wave (benchmarks/sine.cpp).
363        - Added benchmark for square wave (benchmarks/square.cpp).
364        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
365          which are large enough on modern systems.
366    
367    Version 2.1.1 (27 Jul 2019)
368    
369      * Real-time instrument scripts:
370        - Fixed behavior of built-in NKSP functions change_sustain(),
371          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
372          and change_cutoff_release().
373    
374      * general changes:
375        - Only play release trigger samples on sustain pedal up if this behaviour
376          was explicitly requested by the instrument (otherwise only on note-off).
377        - Fixed compiler warnings.
378        - Fixed compilation error when cross-compiling to Mac.
379        - FX Sends: Provide more useful error messages on routing problems
380          (see bug #169).
381        - LSCP doc: Be more clear describing the two distinct approaches
382          of using external vs. internal effects (see bug #169).
383        - "optional" class: Fixed comparison operators.
384    
385      * Gigasampler/GigaStudio format engine:
386        - Format extension: If requested by instrument then don't play release
387          trigger sample on note-off events.
388    
389      * SFZ format engine:
390        - Fixed memory leak when releasing samples
391          (fixes bug #307, patch by Jacek Roszkowski)
392        - Fixed potential crash when a sample is shared by more than one region
393          (fixes bug #308, patch by Jacek Roszkowski).
394        - Opcode 'sample': Added support for built-in sample '*silence'
395          (fixes bug #310, patch by Jacek Roszkowski).
396    
397    Version 2.1.0 (25 Nov 2017)
398    
399      * SFZ format engine:
400        - added support for <global>, <master> and #define (patch by Alby M)
401        - Removed code duplication in SFZ file loading code.
402        - Added support for sfz extension opcode 'script' which may be used to
403          load real-time instrument script file (NKSP script language).
404        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
405        - Fixed unintended volume fade-in of voices under certain conditions.
406        - sfz parser: allow missing space between header and opcode
407    
408      * Gigasampler/GigaStudio format engine:
409        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
410          cutoff settings.
411        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
412          all if an up-pitch of more than 40 semi tones was requested (I don't
413          think there is any stock gig sound that requires this behavior to
414          resemble its original sound).
415        - Added support for controlling whether the individual EGADSR stages may
416          be aborted (as LinuxSampler extension to the original GigaStudio 4
417          format).
418    
419      * general changes:
420        - fixed printf type errors (mostly in debug messages)
421        - use unique_ptr instead of auto_ptr when building with C++11
422        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
423          allowing to sort data efficiently in real-time safe manner.
424        - RTList class: added methods for moving/inserting elements to arbitrary
425          position within a list.
426        - RTList class: added method fromPtr() for creating an Iterator object from
427          a raw element pointer.
428        - Attempt to partly fix resetting engine channels vs. resetting engine, an
429          overall cleanup of the Reset*(), ConnectAudioDevice(),
430          DisconnectAudioDevice() API methods would still be desirable though,
431          because the current situation is still inconsistent and error prone.
432        - Active voices are now internally grouped to "Note" objects, instead of
433          being directly assigned to a keyboard key. This allows more fine graded
434          processing of voices, which is i.e. required for certain instrument
435          script features.
436        - Fix: Release trigger voices were not spawned on sustain pedal up
437          (CC #64) events.
438        - Fix: Release trigger voices can now also distinguish correctly between
439          note-off and sustain pedal up events.
440        - All engines: Increased ramp speed of volume smoother and pan smoother
441          (while slow rate of crossfade smoother is preserved) to allow quick
442          volume and pan changes by instrument scripts for instance.
443        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
444          properly and thus were ignored for certain uses.
445        - Added new C++ API method
446          VirtualMidiDevice::SendChannelPressureToSampler().
447        - windows, 32-bit: fixed potential crashes by making sure the stack in
448          sub threads is 16-byte aligned
449        - fixed numerous compiler warnings
450        - Fixed invalid (note-on) event ID being assigned to new Note objects.
451        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
452          fixes potential undefined behavior.
453        - Fixed Note object leak when triggering notes on keys which did not
454          have a valid sample mapped (fixes bug #252).
455        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
456        - linuxsampler binary fix: option --create-instruments-db ignored
457          subsequent optional argument due to glibc's implementation oddity
458          which expects a "=" sign, but no space between them.
459    
460      * packaging changes:
461        - removed unnecessary dependency to libuuid
462          (originated by libgig's usage of it)
463        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
464          auto detect whether it (sh/c)ould output its messages in color.
465        - Debian: Fixed packaging error about invalid "Source-Version"
466          substitution variable.
467        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
468        - Debian: Added build dependency to libsqlite3-dev for building
469          linuxsampler with instruments DB support.
470    
471      * Real-time instrument scripts:
472        - Implemented scheduler for delayed MIDI events and for suspended scripts.
473        - Built-in script function "wait()": implemented support for function's
474          "duration-us" argument, thus scripts using this function are now
475          correctly resumed after the requested amount of microseconds.
476        - Built-in script function "play_note()": implemented support for
477          function's "duration-us" argument, thus notes triggered with this
478          argument are now correctly released after the requested amount of
479          microseconds.
480        - Fix: script events were not cleared when engine channel was reset,
481          potentially causing undefined behavior.
482        - Fixed crash which happened when trying to reference an undeclared
483          variable.
484        - Built-in script function "play_note()": Added support for passing
485          special value -1 for "duration-us" argument, which will cause the
486          triggered note to be released once the original note was released.
487        - Instrument script classes now exported with the liblinuxsampler C++ API.
488        - Added new API method ScriptVM::syntaxHighlighting() which provides
489          a convenient syntax highlighting backend for external instrument
490          script editor applications.
491        - Added new C++ API class "ScriptVMFactory".
492        - Extended parser issues to provide not only first line and first
493          column, but also last line and last column of issue (thus marking
494          the precise span of the issue within the source code).
495        - Reload script automatically after being modified by an instrument
496          editor.
497        - NKSP language grammar correction: allow empty event handler bodies
498          like "on note end on".
499        - Implemented built-in script function "change_vol()".
500        - Implemented built-in script function "change_tune()".
501        - Implemented built-in script function "change_pan()".
502        - Implemented built-in script function "change_cutoff()".
503        - Implemented built-in script function "change_reso()".
504        - Implemented built-in script function "event_status()".
505        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
506          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
507          "event_status()" function.
508        - NKSP language: Added support for bitwise operators ".or.", ".and."
509          and ".not.".
510        - NKSP language scanner: Fixed IDs matching to require at least one
511          character (i.e. when matching function names or variable names).
512        - NKSP language scanner: disabled unusued rules.
513        - Fixed behavior of play_note() and note_off() functions which must
514          be distinguished engine internally from "real" MIDI note on/off
515          events in order to avoid misbehaviors like hanging notes.
516        - Implemented built-in script variable "$KSP_TIMER".
517        - Implemented built-in script variable "$NKSP_REAL_TIMER".
518        - Implemented built-in script variable "$NKSP_PERF_TIMER".
519        - Implemented built-in script variable "$ENGINE_UPTIME".
520        - Implemented built-in script function "inc()".
521        - Implemented built-in script function "dec()".
522        - NKSP language fix: division expressions were evaluated too often.
523        - NKSP language fix: string concatenation operator was right
524          associative instead of left (to right).
525        - NKSP language correction: allow empty statements in entire language
526          (i.e. "if end if").
527        - Implemented built-in script function "stop_wait()".
528        - Implemented built-in script variable "$NI_CALLBACK_ID".
529        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
530        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
531        - Added support for read-only built-in variables (respectively
532          handled by the script parser).
533        - Added built-in script constant "$NI_CB_TYPE_INIT".
534        - Added built-in script constant "$NI_CB_TYPE_NOTE".
535        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
536        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
537        - NKSP Language: Added support for user defined script functions.
538        - Implemented built-in script function "change_attack()".
539        - Implemented built-in script function "change_decay()".
540        - Implemented built-in script function "change_release()".
541        - Fixed all change_*() built-in script functions to apply their
542          synthesis parameter changes immediately in case the respective note
543          was triggered at the same time, instead of scheduling the parameter
544          change, especially because it would cause some parameter types's
545          changes either to be ramped (i.e. change_vol()) or other types even
546          to have not effect at all (i.e. change_attack()).
547        - Implemented built-in script function "sh_left()".
548        - Implemented built-in script function "sh_right()".
549        - Implemented built-in script function "min()".
550        - Implemented built-in script function "max()".
551        - NKSP Fix: "init" event handler was not always executed when a script
552          was loaded.
553        - NKSP built-in wait() script function: abort script execution if
554          a negative or zero wait time was passed as argument (since this is
555          a common indication of a bug either of the script or even of the
556          engine, which could lead to RT instability or even worse).
557        - ScriptVM: Implemented automatic suspension of RT safety
558          threatening scripts.
559        - Provide more user friendly error messages on syntax errors.
560        - Fixed NKSP parser warning "Not a statement" when assigning an
561          initializer list to an array variable.
562        - Implemented built-in script array variable "%ALL_EVENTS".
563        - Implemented built-in script function "in_range()".
564        - Implemented built-in script function "change_amp_lfo_depth()".
565        - Implemented built-in script function "change_amp_lfo_freq()".
566        - Implemented built-in script function "change_pitch_lfo_depth()".
567        - Implemented built-in script function "change_pitch_lfo_freq()".
568        - Implemented built-in script function "change_vol_time()".
569        - Implemented built-in script function "change_tune_time()".
570        - Implemented built-in script function "fade_in()".
571        - Implemented built-in script function "fade_out()".
572        - Fixed acceptance of wrong data type of parameters passed to built-in
573          script functions "change_vol()", "change_tune()", "change_pan()",
574          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
575          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
576          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
577        - Added built-in script function "get_event_par()" and implemented some
578          of its possible parameter selections.
579        - Added built-in script function "set_event_par()" and implemented some
580          of its possible parameter selections.
581        - Fixed a bunch of scheduler time related bugs.
582        - Fixed polyphonic variables not being reset to zero after usage.
583        - Built-in "ignore_event()" function: argument is now optional, like with
584          built-in function "ignore_controller()".
585        - Implemented built-in script function "change_velo()".
586        - Implemented built-in script function "change_note()".
587        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
588          intuitive behavior if used in combination with "change_vol_time()" or
589          "change_tune_time()" respectively: now tuning/volume changes are only
590          assigned (without delay) immediately to a new note if the respective
591          timing function has not been called before, otherwise the volume/tuning
592          changes are automatically faded (before, only the event's time stamp was
593          relevant).
594         - Implemented built-in script function "array_equal()".
595         - Implemented built-in script function "search()".
596         - Implemented built-in script function "sort()".
597         - NKSP Fix: Never suspend "init" event handlers.
598         - Implemented built-in script function "same_region()" (currently only
599           available for gig format engine).
600         - Added built-in script constant "$NKSP_LINEAR".
601         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
602         - Implemented built-in script function "change_vol_curve()".
603         - Implemented built-in script function "change_tune_curve()".
604         - built-in "play_note()" function now supports a sample playback start
605           offset with argument 3, where special value -1 means to use the regular
606           sample offset as defined by the instrument file.
607         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
608         - Built-in variable $EVENT_NOTE is now a read-only variable.
609         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
610         - built-in "play_note()" function now accepts -2 for its fourth argument
611           (note duration) which means the life time of the note shall be sticked
612           to the requested note number of argument 1.
613         - Fix: built-in "play_note()" function now returns 0 as result value if
614           -1 was passed for its fourth argument (note duration) and the respective
615           parent note is already gone.
616        - Implemented built-in script function "change_play_pos()".
617        - NKSP language: Added support for user declared const array variables.
618        - NKSP language: Raise parser warning if array variable is accessed with
619          an index that exceeds the array's size.
620        - NKSP language fix: Unknown characters were not handled correctly.
621        - NKSP language: Added support for "synchronized .. end synchronized"
622          code blocks.
623        - Implemented built-in script function "abort()" which allows to abort
624          another script handler by passing its callback ID.
625        - Fixed potential memory access bug and potential undefined behavior of
626          "init" event handlers.
627        - Print a time stamp along to each call of built-in function "message()".
628        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
629          to retrieve all code blocks filtered out by the preprocessor.
630        - Added built-in script function "fork()".
631        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
632        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
633        - Fixed potential crash when accessing dynamic built-in array variables.
634        - Added built-in script function "callback_status()".
635        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
636        - Added built-in constant $CALLBACK_STATUS_QUEUE.
637        - Added built-in constant $CALLBACK_STATUS_RUNNING.
638        - Removed max. value limitation of built-in functions "change_attack()",
639          "change_decay()" and "change_release()" to i.e. allow passing 2000000
640          for doubling the respective time.
641        - NKSP script editor syntax highlighting API: Fixed app termination due
642          to a lexer start condition stack underrun.
643        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
644          USE_CODE_IF_NOT() preprocessor statements.
645        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
646          can be set to disable all subsequent built-in "message()" function calls
647          on preprocessor level.
648        - Implemented built-in script function "change_sustain()".
649        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
650          to avoid the editor app to crash on ill-formed text input.
651        - Added built-in script function "change_pan_time()".
652        - Added built-in script function "change_pan_curve()".
653        - Added built-in script function "change_cutoff_attack()".
654        - Added built-in script function "change_cutoff_decay()".
655        - Added built-in script function "change_cutoff_sustain()".
656        - Added built-in script function "change_cutoff_release()".
657        - Added built-in script function "change_cutoff_lfo_depth()".
658        - Added built-in script function "change_cutoff_lfo_freq()".
659    
660      * Instruments DB:
661        - Fixed memory access bug of general DB access code which lead to
662          undefined behavior.
663        - Cleanup of instruments DB file creation and opening code.
664        - The instrument DB path of linuxsampler's --create-instruments-db argument
665          is now optional, if it is missing, then a default location is used.
666        - Added support for scanning SFZ (.sfz) files.
667        - Added support for scanning Sound Font (.sf2) files.
668        - Fixed undefined DB transaction behavior.
669    
670    Version 2.0.0 (15 July 2015)
671    
672    * packaging changes:    * packaging changes:
673      - fixed building with newer MinGW-w64      - fixed building with newer MinGW-w64
# Line 18  Version CVS HEAD (?) Line 684  Version CVS HEAD (?)
684      - Mac OS X: made it possible to specify plugin installation dir to      - Mac OS X: made it possible to specify plugin installation dir to
685        configure        configure
686      - Mac OS X: Makefile fix for the install-strip target      - Mac OS X: Makefile fix for the install-strip target
687        - fixed compilation with gcc 4.7
688        - fixed configure script error with old autoconf versions
689        - lsatomic.h: use gcc provided atomic functions if building with
690          gcc 4.7 and C++11
691        - modernized configure script
692        - fixed linkage error when building with
693          LDFLAGS="-Wl,--no-undefined" (#190)
694        - fixed compilation with Clang 3.2
695        - removed usage of deprecated Automake variable INCLUDES
696        - fixed building with C++11
697        - build fix: ChangeFlagRelaxed.h was missing in makefile
698        - build fix: libsndfile compiler flags were missing in some
699          makefiles
700        - fix for building with bison 3.0 (#202)
701        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
702          on the process's main thread
703        - fixed build error on newer MinGW
704        - support building with older jack versions
705        - support building with spaces in vst sdk path
706        - enabled automake 'subdir-objects' option and moved external
707          source references (vst, au, asio) from makefiles to cpp files,
708          in order to get rid of warnings from automake 1.14
709    
710    * general changes:    * general changes:
711      - Refactoring: moved the independent code from      - Refactoring: moved the independent code from
# Line 44  Version CVS HEAD (?) Line 732  Version CVS HEAD (?)
732      - implemented sine LFO, pulse LFO and saw LFO      - implemented sine LFO, pulse LFO and saw LFO
733      - experimental support for per voice equalization      - experimental support for per voice equalization
734      - added command line option --exec-after-init      - added command line option --exec-after-init
735        - Introduced new C++ API method:
736          EngineChannel::InstrumentFileName(int index)
737          allowing to retrieve the whole list of files used for the loaded
738          instrument on an engine channel (a.k.a. part). Some GigaStudio
739          instruments for example are splitted over several files like
740          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
741        - Added new C++ API method Sampler::GetGlobalMaxVoices().
742        - Added new C++ API method Sampler::GetGlobalMaxStreams().
743        - Added new C++ API method Sampler::SetGlobalMaxVoices().
744        - Added new C++ API method Sampler::SetGlobalMaxStreams().
745        - Various "const" and "restrict" optimizations.
746        - all engines: add pan CC value to instrument pan parameter before
747          applying panning, instead of using two separate pan functions in
748          series (#182)
749        - added a lock guard class for exception safe mutex handling and
750          used it everywhere appropriate
751        - Immediately apply scale tuning changes to active voices.
752        - Exposed scale tuning to C++ API (along to the already existing standard
753          SysEx way).
754        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
755          and broken for ppc64. (Seq_cst loads and stores are actually not
756          used in LS, so the bug wasn't noticable.)
757        - lsatomic.h: added ARMv7 support
758        - Added support for multiple MIDI input ports per sampler channel (and
759          added various new C++ methods for this new feature / design change, old
760          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
761          as deprecated but are still there and should provide full behavior
762          backward compatibility).
763        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
764          unsafe and caused compilation error with clang 2.x).
765        - Bugfix: only process the latest MIDI program change event.
766        - Introducing the LSCP shell, which provides convenient control of the
767          sampler from the command line by providing LSCP aware features.
768        - VirtualMidiDevice: Added support for program change.
769        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
770        - VirtualMidiDevice: Added support for pitch bend.
771        - Aftertouch: extended API to explicitly handle channel pressure and
772          polyphonic key pressure events (so far polyphonic pressure was not
773          supported at all, and channel pressure was rerouted as CC128 but not
774          used so far).
775        - Added initial support for real-time instrument scripts. The script VM
776          code is shared by all sampler engine implemementations, however only the
777          gig file format currently provides support for storing instrument scripts
778          (as LinuxSampler extension to the original GigaStudio 4 format).
779    
780    * Gigasampler format engine:    * Gigasampler format engine:
781      - implemented the "round robin keyboard" dimension      - implemented the "round robin keyboard" dimension
# Line 51  Version CVS HEAD (?) Line 783  Version CVS HEAD (?)
783        dimension zones is not a power of two        dimension zones is not a power of two
784      - made round robin use a counter for each region instead of each      - made round robin use a counter for each region instead of each
785        key        key
786        - bugfix: pitch LFO controller "internal+aftertouch" was broken
787        - bugfix: filter keyboard tracking was broken
788        - filter performance fix (an unnecessary copy was made of the
789          filter parameters in each sub fragment)
790        - handle special case when pan parameter in gig file has max or
791          min value
792        - Exclusive Groups: don't ever stop voices of the same note,
793          doesn't sound naturally with a drumkit
794        - fixed EG1 modulation when attack or release is zero
795        - Fixed support for 'aftertouch' attenuation controller.
796        - Fixed crash that happened with velocity split sounds under certain
797          conditions (see also previous commit on libgig).
798        - fixed behaviour of filter LFO
799    
800    * SFZ format engine:    * SFZ format engine:
801      - Initial implementation (not usable yet)      - Initial implementation (not usable yet)
# Line 205  Version CVS HEAD (?) Line 950  Version CVS HEAD (?)
950        group and off_by opcodes (#168)        group and off_by opcodes (#168)
951      - made end=0 play the whole sample      - made end=0 play the whole sample
952      - fixed support for lochan and hichan opcodes (#155)      - fixed support for lochan and hichan opcodes (#155)
953        - fixed crash when using lochan/hichan opcodes (#187)
954        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
955        - added FLAC support (#191)
956        - sfz parser bugfix: lines starting with whitespace were ignored
957        - added amplitude opcode
958        - added support for "#include" instruction
959          (modified patch which was originally posted by Sergey on LS mailing list)
960        - bugfix: generation of velocity curves etc should not be done
961          after each "#include", only after the main file is parsed
962        - bugfix: line numbers in error messages were wrong after "#include"
963        - added support for float and 32 bit sample files
964    
965    * SoundFont format engine:    * SoundFont format engine:
966      - Initial implementation (not usable yet)      - Initial implementation (not usable yet)
# Line 215  Version CVS HEAD (?) Line 971  Version CVS HEAD (?)
971      - initial implementation of cutoff filter      - initial implementation of cutoff filter
972      - use linear decay and release for filter and pitch EG      - use linear decay and release for filter and pitch EG
973    
974    * Gigasampler format engine:    * Host plugins (VST, AU, LV2, DSSI):
     - bugfix: pitch LFO controller "internal+aftertouch" was broken  
     - bugfix: filter keyboard tracking was broken  
     - filter performance fix (an unnecessary copy was made of the  
       filter parameters in each sub fragment)  
   
   * Host plugins:  
975      - AU bugfix: failed to destroy its audio/MIDI devices      - AU bugfix: failed to destroy its audio/MIDI devices
976      - Listen to all interfaces on Mac OS X (INADDR_ANY)      - Listen to all interfaces on Mac OS X (INADDR_ANY)
977      - VST bugfix: If the host called resume() before and after      - VST bugfix: If the host called resume() before and after
# Line 235  Version CVS HEAD (?) Line 985  Version CVS HEAD (?)
985      - VST: made it possible to build the VST plugin for Mac      - VST: made it possible to build the VST plugin for Mac
986      - AU: link AU plugin dynamically if --disable-shared isn't      - AU: link AU plugin dynamically if --disable-shared isn't
987        specified        specified
988        - LV2 "state" extension support (patch by David Robillard)
989      - VST bugfix: instrument loading hang and crashed the host when      - VST bugfix: instrument loading hang and crashed the host when
990        the plugin was loaded a second time (#174)        the plugin was loaded a second time (#174)
991      - plugin bugfix: instrument loading hang when the plugin was      - plugin bugfix: instrument loading hang when the plugin was
992        loaded a second time (this time it's for Linux and Mac, previous        loaded a second time (this time it's for Linux and Mac, previous
993        similar fix was for Windows)        similar fix was for Windows)
994      - thread safety fixes for the instrument loading thread      - thread safety fixes for the instrument loading thread
995        - LV2: use the new lv2 package if present
996        - VST: try to open Fantasia automatically on Linux and Mac too (on
997          Linux, the Fantasia jar should be placed in <prefix>/share/java)
998        - VST: fixed crashes on Linux Ardour and EnergyXT
999        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
1000          port and audio channel routing for DSSI plugins are now visible.
1001        - LV2: use urid and atom extensions instead of deprecated uri-map
1002          and event
1003        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
1004        - LV2: changed number of output channels to 16 stereo, just like
1005          the VST and AU plugins
1006        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
1007        - LV2: made LV2 plugin buildable on Windows and Mac
1008        - VST: implemented retrieval and switching of programs using the
1009          sampler's internal MIDI instrument mapping system
1010    
1011      * Instrument editor interface:
1012        - Changed instrument editor plugin interface, providing additional
1013          informations like the EngineChannel for which the instrument editor was
1014          spawned for. This allows the instrument editors to interact more actively
1015          with the sampler.
1016    
1017    * MIDI driver:    * MIDI driver:
1018      - ALSA MIDI driver supports now "NAME" device parameter, for overriding      - ALSA MIDI driver supports now "NAME" device parameter, for overriding
# Line 249  Version CVS HEAD (?) Line 1021  Version CVS HEAD (?)
1021        there is no reason for this limit        there is no reason for this limit
1022      - MME: fixed memory handling bug found with cppcheck      - MME: fixed memory handling bug found with cppcheck
1023      - MME: removed compiler warning      - MME: removed compiler warning
1024        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
1025          which allows to retrieve the list of CoreMIDI clients / ports and to connect
1026          to them a la JACK, via the usual sampler APIs
1027        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
1028          the driver will automatically connect to other CoreMIDI clients' ports
1029          (e.g. external MIDI devices being attached to the Mac)
1030        - added support for MIDI note on velocity filter
1031        - CoreMIDI: fixed memory deallocation error
1032        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
1033          virtual keyboards in frontends / instrument editors being stuck.
1034        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
1035        - Implemented missing handling of MIDI "running status".
1036        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
1037        - MME bugfix: driver wasn't closed properly
1038        - CoreMIDI: automatically connect to all input sources by default (driver
1039          parameter "AUTO_BIND").
1040        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
1041        - CoreMIDI: fixed minor memory leak
1042    
1043    * audio driver:    * audio driver:
1044      - ASIO driver fixes for newer gcc versions (fix from PortAudio)      - ASIO driver fixes for newer gcc versions (fix from PortAudio)
1045        - JACK audio: react on sample rate changes.
1046        - JACK audio: react on buffer size changes.
1047        - JACK audio: jack_port_get_buffer() was cached and called outside
1048          RT context.
1049        - ASIO driver: removed compiler warnings
1050        - CoreAudio: fixed minor error handling bug
1051        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
1052        - JACK audio: return the JACK server's current sample rate as default value
1053          for audio device parameter "SAMPLERATE" (fixes #166).
1054    
1055    * LSCP server:    * LSCP server:
1056      - added support for sending MIDI CC messages via LSCP command      - added support for sending MIDI CC messages via LSCP command
# Line 289  Version CVS HEAD (?) Line 1088  Version CVS HEAD (?)
1088      - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",      - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
1089        "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",        "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
1090        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1091        - provide comprehensive error messages on LSCP syntax errors
1092          (suggesting expected next non-terminal symbols)
1093        - Fixed client connection not being closed after network errors.
1094    
1095      * LSCP shell:
1096        - Added support for auto correction of obvious and trivial syntax mistakes.
1097        - Added support for auto completion by tab key.
1098        - Show currently available auto completion while typing.
1099        - Added support for browsing command history with up / down keys.
1100        - Show all possible next symbols immediately right to the current command
1101          line while typing (no double tab required for this feature, as it would
1102          be the case in other shells).
1103        - Added support for moving cursor left/right with arrow keys.
1104        - Added support for built-in LSCP reference documentation, which will
1105          automatically show the relevant LSCP reference section on screen as soon
1106          as one specific LSCP command was detected while typing on the command
1107          line.
1108    
1109      * Real-time instrument scripts:
1110        - Implemented built-in script array variable %CC.
1111        - Implemented built-in script int variable $CC_NUM.
1112        - Implemented built-in script int variable $EVENT_NOTE.
1113        - Implemented built-in script int variable $EVENT_VELOCITY.
1114        - Implemented built-in script constant variable $VCC_MONO_AT.
1115        - Implemented built-in script constant variable $VCC_PITCH_BEND.
1116        - Implemented execution of script event handler "init".
1117        - Implemented execution of script event handler "controller".
1118        - Implemented execution of script event handler "note".
1119        - Implemented execution of script event handler "release".
1120        - Implemented built-in script function "play_note()" (only two of the
1121          max. four function arguments are currently implemented yet though).
1122        - Implemented built-in script int variable $EVENT_ID.
1123        - Implemented built-in script function "ignore_event()"
1124        - Implemented built-in script function "ignore_controller()" (may have one
1125          or no argument).
1126        - Implemented built-in script function "set_controller()".
1127        - Added extended script VM for the Gigasampler/GigaStudio format sampler
1128          engine, which extends the general instrument script VM with Giga format
1129          specific variables and functions.
1130        - Giga format scripts: added built-in script int constant variables
1131          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
1132          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
1133          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
1134          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
1135          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
1136          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
1137          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
1138          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
1139          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
1140          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1141        - Giga format scripts: Implemented built-in script function
1142          "gig_set_dim_zone(event_id, dimension, zone)".
1143        - Implemented built-in script int array variable %KEY_DOWN.
1144        - Implemented built-in script function "abs()".
1145        - Implemented built-in script function "random()".
1146        - Implemented built-in script function "num_elements()".
1147        - Implemented built-in script function "note_off()".
1148        - Implemented built-in script function "set_event_mark()".
1149        - Implemented built-in script function "delete_event_mark()".
1150        - Implemented built-in script function "by_marks()".
1151        - Added built-in script int const variables $MARK_1 to $MARK_28.
1152        - Built-in script functions "ignore_event()", "note_off()" and
1153          "gig_set_dim_zone()" now also accept an array of event IDs as argument
1154          (i.e. return value of new script function "by_marks()").
1155        - Pass/preserve polyphonic variable data from respective "note" event
1156          handler to "release" event handler.
1157        - Fixed crash when using built-in script function "by_marks()".
1158    
1159    * Bug fixes:    * Bug fixes:
1160      - 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
# Line 324  Version CVS HEAD (?) Line 1190  Version CVS HEAD (?)
1190      - bugfix: instrument loading crashed for sfz and sf2 in Ardour      - bugfix: instrument loading crashed for sfz and sf2 in Ardour
1191        (#176)        (#176)
1192      - more thread safety fixes for the instrument loading thread      - more thread safety fixes for the instrument loading thread
1193        - sfz/sf2 engine: fixed crash when using small audio fragment size
1194        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
1195        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
1196          introduced in previous fix)
1197        - fixed crash when a channel received a program change while
1198          playing a note in a key group
1199        - fixed erroneous error message piping in VoiceBase.h
1200          (labelled "Disk stream not available in time")
1201        - Update effects on sample rate & period size changes (to avoid
1202          crashes and noise on such transitions).
1203        - ignore missing LADSPA paths without ignoring valid LADSPA paths
1204          (fixes #208)
1205        - Fixed bug in LSCP grammar definition which caused a statement like
1206          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
1207          practically irrelevant, however it caused problems with the new LSCP
1208          shell's auto completion feature).
1209        - Fixed MIDI program change messages being ignored if quickly executed
1210          after each other (fixes #231).
1211    
1212  Version 1.0.0 (31 July 2009)  Version 1.0.0 (31 July 2009)
1213    
# Line 388  Version 1.0.0 (31 July 2009) Line 1272  Version 1.0.0 (31 July 2009)
1272      - Windows: add the installation directory to the DLL search path      - Windows: add the installation directory to the DLL search path
1273        when loading an editor plugin (solves problems with VST and        when loading an editor plugin (solves problems with VST and
1274        gigedit on systems with other GTK versions installed)        gigedit on systems with other GTK versions installed)
1275        - updated linuxsampler man page
1276    
1277    * audio driver:    * audio driver:
1278      - removed the nonsense audio channel constraint (which was hard coded to      - removed the nonsense audio channel constraint (which was hard coded to

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