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revision 2316 by persson, Sat Feb 18 13:51:38 2012 UTC revision 3854 by schoenebeck, Mon Feb 1 17:37:52 2021 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        - Allow EffectChain::InsertEffect() as alternative to
73          EffectChain::AppendEffect() (i.e. with index equal to current chain size).
74        - ConstCapacityArray class: Fixed bug in remove() method.
75        - Fixed crash on certain MIDI RPN and NRPN messages that occurred if no
76          real-time instrument script was loaded.
77    
78      * Real-time instrument scripts:
79        - Added method ScriptVM::setExitResultEnabled() which allows to
80          explicitly enable the built-in exit() function to optionally accept
81          one function argument; the value of the passed exit() function
82          argument will then become available by calling
83          VMExecContext::exitResult() after script execution.
84        - 64 bit support for NKSP integer scripts variables (declare $foo).
85        - Variable names, function names and preprocessor condition names must start
86          with a regular character (a-z or A-Z); starting them with a digit or
87          underscore is not allowed.
88        - NKSP parser fix: equal comparison operator "=" and not equal comparison
89          operator "#" must only accept integer operands.
90        - NKSP language: Implemented support for standard units like Hertz, seconds,
91          Bel including support for metric unit prefixes; so one can now e.g.
92          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
93          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
94          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
95        - NKSP language: Introduced "final" operator "!" which is specifically
96          intended for synthesis parameter values to denote that the synthesis
97          parameter value is intended to be the "final" value for that synthesis
98          parameter that should explicitly be used by the engine and thus causing
99          the sampler engine to ignore all other modulation sources for the same
100          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
101          variable or formula with this new "!" operator the expression is marked as
102          being "final".
103        - NKSP script editor API: Added support for detecting standard unit tokens
104          and their potential metric prefix token.
105        - NKSP language: Added support for NKSP real number literals and
106          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
107        - NKSP language: Added support for NKSP real number (floating point) script
108          variables (declare ~foo).
109        - NKSP language: Added support for NKSP real number (floating point) array
110          script variables (declare ?foo[]).
111        - Built-in script function "message()" accepts now real number argument as
112          well.
113        - Added built-in script function "real_to_int()" and its short hand form
114          "int()" for casting from real number to integer in NKSP scripts.
115        - Added built-in script function "int_to_real()" and its short hand form
116          "real()" for casting from integer to real number in NKSP scripts.
117        - Allow built-in exit() function to potentially accept real number type
118          argument as well.
119        - Built-in script functions may have a different return type depending on
120          the arguments passed to the function.
121        - Built-in script function "abs()" optionally accepts and returns real
122          number.
123        - Built-in script functions "min()" and "max()" optionally accept real
124          number arguments and return real number as result in that case.
125        - NKSP VM API: Allow units and 'final'ness to be returned as result from
126          built-in functions (added methods VMFunction::returnUnitType() and
127          VMFunction::returnsFinal() for that purpose which must be implemented by
128          built-in function implementations).
129        - NKSP language: Allow metric unit prefixes of numeric scalar and array
130          variables to be changed freely at runtime (unlike unit types like Hz etc.
131          which are still sticky, parse-time features of variables which cannot be
132          changed at runtime for the intentional sake of determinism).
133        - NKSP language: 'final' values are prohibited for array variables for now
134          (attempt causes a parsers error).
135        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
136          conditions of runtime control structures like if(), while(), select()
137          (attempt causes a parser error).
138        - NKSP VM API: Allow built-in functions to perform their own, individual
139          parse time checks of arguments going to be passed to the function at
140          runtime (added method VMFunction::checkArgs() for that purpose).
141        - NKSP language: raise parser warning if only one operand of binary
142          operators (like logical 'or' comparison) contain a 'final' value (because
143          it would always yield in a 'final' result in such cases).
144        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
145          different metric unit prefixes, which will behave as expected (e.g.
146          result of expression '1000us < 2ms' is true).
147        - NKSP language: Allow adding values with different metric unit prefixes
148          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
149        - NKSP language: Allow subtracting values with different metric unit
150          prefixes (e.g. result of expression '1ms - 20us' is '980us').
151        - NKSP language: Allow multiplying with any metric unit prefixes
152          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
153          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
154          we don't have any considerable practical use for a term like '4s^2'
155          (hence any attempt multiplying two unit types still causes parser error).
156        - NKSP language: Allow dividing by any metric unit prefixes and allow
157          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
158          yields in unit free result '8'). So this is now a way to cast units away
159          e.g. for passing the result to other expressions, certain function calls
160          or variables which are not accepting any units (or that specific unit).
161        - NKSP language: integer arrays and real number arrays can now be converted
162          to strings (e.g. for dumping their content with message() calls for
163          script debugging purposes).
164        - NKSP language: expressions and variables with units are now correctly
165          casted to strings (e.g. with message() calls).
166        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
167          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
168          floating point tolerances into account.
169        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
170          VMScalarNumberExpr::evalCastReal().
171        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
172          'VMIntArrayExpr' and 'VMRealArrayExpr'.
173        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
174          unitFactor() (runtime) methods.
175        - Built-in function "exit()" supports now returning units and 'final'ness
176          for test cases.
177        - The following built-in functions support now units as well: "abs()",
178          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
179          "real_to_int()", "int()", "int_to_real()" and "real()".
180        - Built-in functions "array_equal()", "search()" and "sort()" support now
181          real number arrays (correctly) as well.
182        - Added individual parse time checks of arguments to be passed to built-in
183          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
184          "array_equal()" and "search()" specific for their individual purposes.
185        - NKSP VM refactoring: Renamed all methods, functions and classes matching
186          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
187          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
188          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
189          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
190          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
191          isScalarNumber() -> isNumber()).
192        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
193          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
194          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
195          as convenient methods for automatically converting values to expected
196          metric value basis.
197        - Built-in function "wait()" accepts now both integers and real numbers as
198          argument.
199        - NKSP VM API cleanup: Get rid of legacy method
200          VMFunction::argType(vmint iArg) which was already superseded by its new
201          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
202        - NKSP parser: if wrong argument type was passed to a built-in function and
203          that built-in function accepts more than one data type for the argument,
204          then show all supported data types as parser error message.
205        - Built-in function "play_note()" accepts now real numbers and seconds as
206          unit type as well for its 3rd and 4th function arguments.
207        - The following built-in functions accept now real numbers as well for their
208          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
209          "change_attack()", "change_decay()", "change_release()",
210          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
211          "change_cutoff_sustain()", "change_cutoff_release()",
212          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
213          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
214          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
215        - Fixed built-in function "change_play_pos()" not having accepted metric
216          prefixes at all.
217        - Fixed the following built-in functions having misinterpreted values given
218          with unit type (for their 2nd argument) as if they were relative values
219          (that is as if they were passed without a unit type): "change_attack()",
220          "change_decay()", "change_release()", "change_cutoff_attack()",
221          "change_cutoff_decay()", "change_cutoff_release()".
222        - Fixed the following built-in functions having applied completely wrong
223          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
224          respective EGs being their modulation sink assume uint data type with
225          value range 0..1000 instead of 0.0..1.0.
226        - Added individual parse-time checks of function arguments for the following
227          built-in functions: "play_note()", "note_off()", "set_event_mark()",
228          "delete_event_mark()", "by_marks()", "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()" and
233          "change_pan_time()".
234        - Don't abort function call if unit type was used and at the same time
235          'final' operator was omitted for the primary value argument of the
236          following built-in functions: "change_cutoff()", "change_attack()",
237          "change_decay()", "change_release()", "change_cutoff_attack()",
238          "change_cutoff_decay()", "change_cutoff_release()",
239          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
240          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
241          "change_pan_time()", instead imply 'final'ness at runtime and raise an
242          appropriate parser warning at parse time.
243        - Added built-in real number functions "round()", "ceil()", "floor()",
244          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
245          "cos()", "tan()", "asin()", "acos()", "atan()".
246        - Added built-in script real number constant "~NI_MATH_PI".
247        - Added built-in script real number constant "~NI_MATH_E".
248        - NKSP language: Allow unary '+' operator.
249        - Added built-in script functions "msb()" and "lsb()".
250        - NKSP language: Added support for RPN event handler
251          ("on rpn ... end on" in instrument scripts).
252        - NKSP language: Added support for NRPN event handler
253          ("on nrpn ... end on" in instrument scripts).
254        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
255          may be read from the new RPN/NRPN script handlers to get the (N)RPN
256          parameter that had been changed and its new value.
257        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
258          which are identifying the new (N)RPN handlers as such at script runtime.
259        - Implemented built-in script function "set_rpn()".
260        - Implemented built-in script function "set_nrpn()".
261        - Fix: built-in functions returning an array type were broken and caused a
262          crash when the built-in function's (supposed to be array) result value was
263          used by the script VM.
264        - Removed upper value constraint for 2nd argument of built-in functions
265          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
266          "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
267          "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
268          "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
269          the LFO frequency / resonance / cutoff frequency.
270        - Reduced code involved for parsing NKSP variable declarations by using 2
271          generalized grammar rules with optional components (i.e. optional value
272          assignment and optional variable qualifiers) instead of previous linear
273          combinations of grammar rules, which also fixes some edge case.
274        - NKSP language parser: track code block locations also by a) raw byte
275          position in NKSP source code string and b) length of that code block in
276          bytes (along to the already existing code block tracking by line/column);
277          and added appropriate new members to public C++ API classes like
278          'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
279        - NKSP language: Added support for 'patch' variable qualifier (capture their
280          locations and allow replacement of their assignment expression via VM C++
281          API).
282        - Fixed incorrect EG times if standard measuring unit was passed to built-in
283          functions "change_attack()", "change_decay()" or "change_release()".
284        - Fixed intermediate function result values never having reflected any
285          standard measuring unit type.
286        - Fixed re-entrant issue with function calls which caused wrong result
287          values if the same function was called multiple times in a term
288          (specifically if metric prefixes were used).
289        - NKSP language: Just throw a warning, not an error if an array variable of
290          size zero was declared.
291        - NKSP language: Allow omitting explicit array size on array variable
292          declaration if combined with immediate value assignment
293          (e.g. declare %foo[] := ( 1, 2, 3 ) ).
294        - NKSP language: emit warning if an array variable was declared with bigger
295          array size than amount of initial values been assigned, and initialize the
296          missing array elements with zero in this case.
297        - Fixed built-in NKSP exit() function to behave as return statement.
298        - NKSP parser: Fixed crash if unary '-' operator was used on a non-number
299          data type.
300        - NKSP VM: Fixed the "release" handler being executed too often under
301          certain situations if polyphonic data was passed from "note" handler to
302          "release" handler.
303        - Fixed memory leak in NKSP parser: string tokens were allocated as C
304          strings and never freed.
305        - Fixed incorrect polyphonic data transfer from wrong note handler to
306          release handler; which also fixes no release handler being executed
307          sometimes, and due to the latter it also fixes potential crashes as some
308          polyphonic script events were never released and the engine hence was
309          running out of free script events.
310        - Fixed crash when handling array results of built-in functions
311          (e.g. "num_elements(by_marks($MARK_1)").
312        - NKSP VM: Fixed dead note events not been removed from user's event groups
313          (i.e. causing incorrect behaviour of built-in NKSP functions by_marks()
314          and set_event_mark() after max. size of event group list was exhausted).
315    
316      * test cases:
317        - Fixed compiler errors in test cases.
318        - Updated README for how to compile & run test cases.
319        - Updated test case
320          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
321          expected behaviour of the Mutex class implementation (recursive
322          mutex type).
323        - Added test cases for NKSP core language aspects and core built-in
324          functions.
325        - Fixed thread tests segfaulting on Linux.
326        - NKSP: Added real number test cases for built-in functions exit(),
327          int_to_real(), real(), real_to_int() and int(), as well as for the
328          plus, minus and negate language operators.
329        - Added massive amount of NKSP test cases for standard measuring units and
330          'final' operator usage cases.
331        - Added NKSP test cases for (floating point tolerance aware) real number
332          equalness / unequalness comparison.
333        - Added NKSP int array and real array tests for value assignment and
334          initialization of arrays.
335        - Added NKSP test cases for built-in functions "round()", "ceil()",
336          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
337          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
338        - Added NKSP test cases for unary '+' operator.
339        - Added NKSP test cases for core built-in variables.
340        - Added thorough NKSP test cases for variable declarations.
341    
342      * GigaStudio/Gigasampler format engine:
343        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
344          behaviour for start_level_mid.
345        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
346          level (see discussion "GigaStudio LFO compatibility" on mailing list
347          from 2019-09-26 for details).
348        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
349          see discussion "GigaStudio LFO compatibility" on mailing list from
350          2019-09-26 for details).
351        - Format extension: Added support for different LFO wave forms (currently
352          either sine [default], triangle, saw or square).
353        - Format extension: Added support for LFO phase displacement (0°..360°).
354        - Format extension: Added support for flipping LFO polarity on LFO 3
355          (in the original gig format this was only available for LFO 1 and LFO 2).
356        - Format extension: Support for additional filter types:
357          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
358          bandreject 2-pole.
359        - Fixd potential crash with polynomial interpolator and max. pitch.
360        - If minimum cutoff is defined, remap cutoff controller CC values to really
361          span the entire possible cutoff range (and avoiding a dead controller
362          zone).
363        - Implemented support for loading instrument scripts with 'patch' variables
364          (by patching these script variables with potentially overridden ones by
365          gig Instrument).
366    
367      * SFZ format engine:
368        - Fixed support for regions with loccN/hiccN conditions on more than one
369          MIDI controller.
370        - Fixed internal opcode 'xfin_hivel' falsely being set by user opcode
371          'xfin_lovel' (patch by Christian Czezatke).
372    
373      * Benchmarks:
374        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
375          algorithm (since result of 2nd run was not accumulated).
376        - Added benchmark for saw wave (benchmarks/saw.cpp).
377        - Added benchmark for sine wave (benchmarks/sine.cpp).
378        - Added benchmark for square wave (benchmarks/square.cpp).
379        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
380          which are large enough on modern systems.
381    
382    Version 2.1.1 (27 Jul 2019)
383    
384      * Real-time instrument scripts:
385        - Fixed behavior of built-in NKSP functions change_sustain(),
386          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
387          and change_cutoff_release().
388    
389      * general changes:
390        - Only play release trigger samples on sustain pedal up if this behaviour
391          was explicitly requested by the instrument (otherwise only on note-off).
392        - Fixed compiler warnings.
393        - Fixed compilation error when cross-compiling to Mac.
394        - FX Sends: Provide more useful error messages on routing problems
395          (see bug #169).
396        - LSCP doc: Be more clear describing the two distinct approaches
397          of using external vs. internal effects (see bug #169).
398        - "optional" class: Fixed comparison operators.
399    
400      * Gigasampler/GigaStudio format engine:
401        - Format extension: If requested by instrument then don't play release
402          trigger sample on note-off events.
403    
404      * SFZ format engine:
405        - Fixed memory leak when releasing samples
406          (fixes bug #307, patch by Jacek Roszkowski)
407        - Fixed potential crash when a sample is shared by more than one region
408          (fixes bug #308, patch by Jacek Roszkowski).
409        - Opcode 'sample': Added support for built-in sample '*silence'
410          (fixes bug #310, patch by Jacek Roszkowski).
411    
412    Version 2.1.0 (25 Nov 2017)
413    
414      * SFZ format engine:
415        - added support for <global>, <master> and #define (patch by Alby M)
416        - Removed code duplication in SFZ file loading code.
417        - Added support for sfz extension opcode 'script' which may be used to
418          load real-time instrument script file (NKSP script language).
419        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
420        - Fixed unintended volume fade-in of voices under certain conditions.
421        - sfz parser: allow missing space between header and opcode
422    
423      * Gigasampler/GigaStudio format engine:
424        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
425          cutoff settings.
426        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
427          all if an up-pitch of more than 40 semi tones was requested (I don't
428          think there is any stock gig sound that requires this behavior to
429          resemble its original sound).
430        - Added support for controlling whether the individual EGADSR stages may
431          be aborted (as LinuxSampler extension to the original GigaStudio 4
432          format).
433    
434      * general changes:
435        - fixed printf type errors (mostly in debug messages)
436        - use unique_ptr instead of auto_ptr when building with C++11
437        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
438          allowing to sort data efficiently in real-time safe manner.
439        - RTList class: added methods for moving/inserting elements to arbitrary
440          position within a list.
441        - RTList class: added method fromPtr() for creating an Iterator object from
442          a raw element pointer.
443        - Attempt to partly fix resetting engine channels vs. resetting engine, an
444          overall cleanup of the Reset*(), ConnectAudioDevice(),
445          DisconnectAudioDevice() API methods would still be desirable though,
446          because the current situation is still inconsistent and error prone.
447        - Active voices are now internally grouped to "Note" objects, instead of
448          being directly assigned to a keyboard key. This allows more fine graded
449          processing of voices, which is i.e. required for certain instrument
450          script features.
451        - Fix: Release trigger voices were not spawned on sustain pedal up
452          (CC #64) events.
453        - Fix: Release trigger voices can now also distinguish correctly between
454          note-off and sustain pedal up events.
455        - All engines: Increased ramp speed of volume smoother and pan smoother
456          (while slow rate of crossfade smoother is preserved) to allow quick
457          volume and pan changes by instrument scripts for instance.
458        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
459          properly and thus were ignored for certain uses.
460        - Added new C++ API method
461          VirtualMidiDevice::SendChannelPressureToSampler().
462        - windows, 32-bit: fixed potential crashes by making sure the stack in
463          sub threads is 16-byte aligned
464        - fixed numerous compiler warnings
465        - Fixed invalid (note-on) event ID being assigned to new Note objects.
466        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
467          fixes potential undefined behavior.
468        - Fixed Note object leak when triggering notes on keys which did not
469          have a valid sample mapped (fixes bug #252).
470        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
471        - linuxsampler binary fix: option --create-instruments-db ignored
472          subsequent optional argument due to glibc's implementation oddity
473          which expects a "=" sign, but no space between them.
474    
475      * packaging changes:
476        - removed unnecessary dependency to libuuid
477          (originated by libgig's usage of it)
478        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
479          auto detect whether it (sh/c)ould output its messages in color.
480        - Debian: Fixed packaging error about invalid "Source-Version"
481          substitution variable.
482        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
483        - Debian: Added build dependency to libsqlite3-dev for building
484          linuxsampler with instruments DB support.
485    
486      * Real-time instrument scripts:
487        - Implemented scheduler for delayed MIDI events and for suspended scripts.
488        - Built-in script function "wait()": implemented support for function's
489          "duration-us" argument, thus scripts using this function are now
490          correctly resumed after the requested amount of microseconds.
491        - Built-in script function "play_note()": implemented support for
492          function's "duration-us" argument, thus notes triggered with this
493          argument are now correctly released after the requested amount of
494          microseconds.
495        - Fix: script events were not cleared when engine channel was reset,
496          potentially causing undefined behavior.
497        - Fixed crash which happened when trying to reference an undeclared
498          variable.
499        - Built-in script function "play_note()": Added support for passing
500          special value -1 for "duration-us" argument, which will cause the
501          triggered note to be released once the original note was released.
502        - Instrument script classes now exported with the liblinuxsampler C++ API.
503        - Added new API method ScriptVM::syntaxHighlighting() which provides
504          a convenient syntax highlighting backend for external instrument
505          script editor applications.
506        - Added new C++ API class "ScriptVMFactory".
507        - Extended parser issues to provide not only first line and first
508          column, but also last line and last column of issue (thus marking
509          the precise span of the issue within the source code).
510        - Reload script automatically after being modified by an instrument
511          editor.
512        - NKSP language grammar correction: allow empty event handler bodies
513          like "on note end on".
514        - Implemented built-in script function "change_vol()".
515        - Implemented built-in script function "change_tune()".
516        - Implemented built-in script function "change_pan()".
517        - Implemented built-in script function "change_cutoff()".
518        - Implemented built-in script function "change_reso()".
519        - Implemented built-in script function "event_status()".
520        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
521          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
522          "event_status()" function.
523        - NKSP language: Added support for bitwise operators ".or.", ".and."
524          and ".not.".
525        - NKSP language scanner: Fixed IDs matching to require at least one
526          character (i.e. when matching function names or variable names).
527        - NKSP language scanner: disabled unusued rules.
528        - Fixed behavior of play_note() and note_off() functions which must
529          be distinguished engine internally from "real" MIDI note on/off
530          events in order to avoid misbehaviors like hanging notes.
531        - Implemented built-in script variable "$KSP_TIMER".
532        - Implemented built-in script variable "$NKSP_REAL_TIMER".
533        - Implemented built-in script variable "$NKSP_PERF_TIMER".
534        - Implemented built-in script variable "$ENGINE_UPTIME".
535        - Implemented built-in script function "inc()".
536        - Implemented built-in script function "dec()".
537        - NKSP language fix: division expressions were evaluated too often.
538        - NKSP language fix: string concatenation operator was right
539          associative instead of left (to right).
540        - NKSP language correction: allow empty statements in entire language
541          (i.e. "if end if").
542        - Implemented built-in script function "stop_wait()".
543        - Implemented built-in script variable "$NI_CALLBACK_ID".
544        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
545        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
546        - Added support for read-only built-in variables (respectively
547          handled by the script parser).
548        - Added built-in script constant "$NI_CB_TYPE_INIT".
549        - Added built-in script constant "$NI_CB_TYPE_NOTE".
550        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
551        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
552        - NKSP Language: Added support for user defined script functions.
553        - Implemented built-in script function "change_attack()".
554        - Implemented built-in script function "change_decay()".
555        - Implemented built-in script function "change_release()".
556        - Fixed all change_*() built-in script functions to apply their
557          synthesis parameter changes immediately in case the respective note
558          was triggered at the same time, instead of scheduling the parameter
559          change, especially because it would cause some parameter types's
560          changes either to be ramped (i.e. change_vol()) or other types even
561          to have not effect at all (i.e. change_attack()).
562        - Implemented built-in script function "sh_left()".
563        - Implemented built-in script function "sh_right()".
564        - Implemented built-in script function "min()".
565        - Implemented built-in script function "max()".
566        - NKSP Fix: "init" event handler was not always executed when a script
567          was loaded.
568        - NKSP built-in wait() script function: abort script execution if
569          a negative or zero wait time was passed as argument (since this is
570          a common indication of a bug either of the script or even of the
571          engine, which could lead to RT instability or even worse).
572        - ScriptVM: Implemented automatic suspension of RT safety
573          threatening scripts.
574        - Provide more user friendly error messages on syntax errors.
575        - Fixed NKSP parser warning "Not a statement" when assigning an
576          initializer list to an array variable.
577        - Implemented built-in script array variable "%ALL_EVENTS".
578        - Implemented built-in script function "in_range()".
579        - Implemented built-in script function "change_amp_lfo_depth()".
580        - Implemented built-in script function "change_amp_lfo_freq()".
581        - Implemented built-in script function "change_pitch_lfo_depth()".
582        - Implemented built-in script function "change_pitch_lfo_freq()".
583        - Implemented built-in script function "change_vol_time()".
584        - Implemented built-in script function "change_tune_time()".
585        - Implemented built-in script function "fade_in()".
586        - Implemented built-in script function "fade_out()".
587        - Fixed acceptance of wrong data type of parameters passed to built-in
588          script functions "change_vol()", "change_tune()", "change_pan()",
589          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
590          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
591          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
592        - Added built-in script function "get_event_par()" and implemented some
593          of its possible parameter selections.
594        - Added built-in script function "set_event_par()" and implemented some
595          of its possible parameter selections.
596        - Fixed a bunch of scheduler time related bugs.
597        - Fixed polyphonic variables not being reset to zero after usage.
598        - Built-in "ignore_event()" function: argument is now optional, like with
599          built-in function "ignore_controller()".
600        - Implemented built-in script function "change_velo()".
601        - Implemented built-in script function "change_note()".
602        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
603          intuitive behavior if used in combination with "change_vol_time()" or
604          "change_tune_time()" respectively: now tuning/volume changes are only
605          assigned (without delay) immediately to a new note if the respective
606          timing function has not been called before, otherwise the volume/tuning
607          changes are automatically faded (before, only the event's time stamp was
608          relevant).
609         - Implemented built-in script function "array_equal()".
610         - Implemented built-in script function "search()".
611         - Implemented built-in script function "sort()".
612         - NKSP Fix: Never suspend "init" event handlers.
613         - Implemented built-in script function "same_region()" (currently only
614           available for gig format engine).
615         - Added built-in script constant "$NKSP_LINEAR".
616         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
617         - Implemented built-in script function "change_vol_curve()".
618         - Implemented built-in script function "change_tune_curve()".
619         - built-in "play_note()" function now supports a sample playback start
620           offset with argument 3, where special value -1 means to use the regular
621           sample offset as defined by the instrument file.
622         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
623         - Built-in variable $EVENT_NOTE is now a read-only variable.
624         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
625         - built-in "play_note()" function now accepts -2 for its fourth argument
626           (note duration) which means the life time of the note shall be sticked
627           to the requested note number of argument 1.
628         - Fix: built-in "play_note()" function now returns 0 as result value if
629           -1 was passed for its fourth argument (note duration) and the respective
630           parent note is already gone.
631        - Implemented built-in script function "change_play_pos()".
632        - NKSP language: Added support for user declared const array variables.
633        - NKSP language: Raise parser warning if array variable is accessed with
634          an index that exceeds the array's size.
635        - NKSP language fix: Unknown characters were not handled correctly.
636        - NKSP language: Added support for "synchronized .. end synchronized"
637          code blocks.
638        - Implemented built-in script function "abort()" which allows to abort
639          another script handler by passing its callback ID.
640        - Fixed potential memory access bug and potential undefined behavior of
641          "init" event handlers.
642        - Print a time stamp along to each call of built-in function "message()".
643        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
644          to retrieve all code blocks filtered out by the preprocessor.
645        - Added built-in script function "fork()".
646        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
647        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
648        - Fixed potential crash when accessing dynamic built-in array variables.
649        - Added built-in script function "callback_status()".
650        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
651        - Added built-in constant $CALLBACK_STATUS_QUEUE.
652        - Added built-in constant $CALLBACK_STATUS_RUNNING.
653        - Removed max. value limitation of built-in functions "change_attack()",
654          "change_decay()" and "change_release()" to i.e. allow passing 2000000
655          for doubling the respective time.
656        - NKSP script editor syntax highlighting API: Fixed app termination due
657          to a lexer start condition stack underrun.
658        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
659          USE_CODE_IF_NOT() preprocessor statements.
660        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
661          can be set to disable all subsequent built-in "message()" function calls
662          on preprocessor level.
663        - Implemented built-in script function "change_sustain()".
664        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
665          to avoid the editor app to crash on ill-formed text input.
666        - Added built-in script function "change_pan_time()".
667        - Added built-in script function "change_pan_curve()".
668        - Added built-in script function "change_cutoff_attack()".
669        - Added built-in script function "change_cutoff_decay()".
670        - Added built-in script function "change_cutoff_sustain()".
671        - Added built-in script function "change_cutoff_release()".
672        - Added built-in script function "change_cutoff_lfo_depth()".
673        - Added built-in script function "change_cutoff_lfo_freq()".
674    
675      * Instruments DB:
676        - Fixed memory access bug of general DB access code which lead to
677          undefined behavior.
678        - Cleanup of instruments DB file creation and opening code.
679        - The instrument DB path of linuxsampler's --create-instruments-db argument
680          is now optional, if it is missing, then a default location is used.
681        - Added support for scanning SFZ (.sfz) files.
682        - Added support for scanning Sound Font (.sf2) files.
683        - Fixed undefined DB transaction behavior.
684    
685    Version 2.0.0 (15 July 2015)
686    
687    * packaging changes:    * packaging changes:
688      - fixed building with newer MinGW-w64      - fixed building with newer MinGW-w64
# Line 18  Version CVS HEAD (?) Line 699  Version CVS HEAD (?)
699      - Mac OS X: made it possible to specify plugin installation dir to      - Mac OS X: made it possible to specify plugin installation dir to
700        configure        configure
701      - Mac OS X: Makefile fix for the install-strip target      - Mac OS X: Makefile fix for the install-strip target
702        - fixed compilation with gcc 4.7
703        - fixed configure script error with old autoconf versions
704        - lsatomic.h: use gcc provided atomic functions if building with
705          gcc 4.7 and C++11
706        - modernized configure script
707        - fixed linkage error when building with
708          LDFLAGS="-Wl,--no-undefined" (#190)
709        - fixed compilation with Clang 3.2
710        - removed usage of deprecated Automake variable INCLUDES
711        - fixed building with C++11
712        - build fix: ChangeFlagRelaxed.h was missing in makefile
713        - build fix: libsndfile compiler flags were missing in some
714          makefiles
715        - fix for building with bison 3.0 (#202)
716        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
717          on the process's main thread
718        - fixed build error on newer MinGW
719        - support building with older jack versions
720        - support building with spaces in vst sdk path
721        - enabled automake 'subdir-objects' option and moved external
722          source references (vst, au, asio) from makefiles to cpp files,
723          in order to get rid of warnings from automake 1.14
724    
725    * general changes:    * general changes:
726      - Refactoring: moved the independent code from      - Refactoring: moved the independent code from
# Line 44  Version CVS HEAD (?) Line 747  Version CVS HEAD (?)
747      - implemented sine LFO, pulse LFO and saw LFO      - implemented sine LFO, pulse LFO and saw LFO
748      - experimental support for per voice equalization      - experimental support for per voice equalization
749      - added command line option --exec-after-init      - added command line option --exec-after-init
750        - Introduced new C++ API method:
751          EngineChannel::InstrumentFileName(int index)
752          allowing to retrieve the whole list of files used for the loaded
753          instrument on an engine channel (a.k.a. part). Some GigaStudio
754          instruments for example are splitted over several files like
755          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
756        - Added new C++ API method Sampler::GetGlobalMaxVoices().
757        - Added new C++ API method Sampler::GetGlobalMaxStreams().
758        - Added new C++ API method Sampler::SetGlobalMaxVoices().
759        - Added new C++ API method Sampler::SetGlobalMaxStreams().
760        - Various "const" and "restrict" optimizations.
761        - all engines: add pan CC value to instrument pan parameter before
762          applying panning, instead of using two separate pan functions in
763          series (#182)
764        - added a lock guard class for exception safe mutex handling and
765          used it everywhere appropriate
766        - Immediately apply scale tuning changes to active voices.
767        - Exposed scale tuning to C++ API (along to the already existing standard
768          SysEx way).
769        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
770          and broken for ppc64. (Seq_cst loads and stores are actually not
771          used in LS, so the bug wasn't noticable.)
772        - lsatomic.h: added ARMv7 support
773        - Added support for multiple MIDI input ports per sampler channel (and
774          added various new C++ methods for this new feature / design change, old
775          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
776          as deprecated but are still there and should provide full behavior
777          backward compatibility).
778        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
779          unsafe and caused compilation error with clang 2.x).
780        - Bugfix: only process the latest MIDI program change event.
781        - Introducing the LSCP shell, which provides convenient control of the
782          sampler from the command line by providing LSCP aware features.
783        - VirtualMidiDevice: Added support for program change.
784        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
785        - VirtualMidiDevice: Added support for pitch bend.
786        - Aftertouch: extended API to explicitly handle channel pressure and
787          polyphonic key pressure events (so far polyphonic pressure was not
788          supported at all, and channel pressure was rerouted as CC128 but not
789          used so far).
790        - Added initial support for real-time instrument scripts. The script VM
791          code is shared by all sampler engine implemementations, however only the
792          gig file format currently provides support for storing instrument scripts
793          (as LinuxSampler extension to the original GigaStudio 4 format).
794    
795    * Gigasampler format engine:    * Gigasampler format engine:
796      - implemented the "round robin keyboard" dimension      - implemented the "round robin keyboard" dimension
# Line 51  Version CVS HEAD (?) Line 798  Version CVS HEAD (?)
798        dimension zones is not a power of two        dimension zones is not a power of two
799      - made round robin use a counter for each region instead of each      - made round robin use a counter for each region instead of each
800        key        key
801        - bugfix: pitch LFO controller "internal+aftertouch" was broken
802        - bugfix: filter keyboard tracking was broken
803        - filter performance fix (an unnecessary copy was made of the
804          filter parameters in each sub fragment)
805        - handle special case when pan parameter in gig file has max or
806          min value
807        - Exclusive Groups: don't ever stop voices of the same note,
808          doesn't sound naturally with a drumkit
809        - fixed EG1 modulation when attack or release is zero
810        - Fixed support for 'aftertouch' attenuation controller.
811        - Fixed crash that happened with velocity split sounds under certain
812          conditions (see also previous commit on libgig).
813        - fixed behaviour of filter LFO
814    
815    * SFZ format engine:    * SFZ format engine:
816      - Initial implementation (not usable yet)      - Initial implementation (not usable yet)
# Line 123  Version CVS HEAD (?) Line 883  Version CVS HEAD (?)
883      - implemented opcodes ampeg_delayccN, ampeg_startccN,      - implemented opcodes ampeg_delayccN, ampeg_startccN,
884        ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,        ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
885        ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY        ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
886      - lfoN_* and egN_* opcodes defined in group sections      - lfoN_* and egN_* opcodes defined in group sections
887        are now taken into account        are now taken into account
888      - implemented curves      - implemented curves
889      - implemented opcodes volume_onccN, volume_curveccN      - implemented opcodes volume_onccN, volume_curveccN
# Line 200  Version CVS HEAD (?) Line 960  Version CVS HEAD (?)
960      - use linear decay and release for filter and pitch EG      - use linear decay and release for filter and pitch EG
961      - bugfix: only the first amp_veltrack definition in a file was      - bugfix: only the first amp_veltrack definition in a file was
962        used        used
963        - bugfix: looping was disabled if loop_start was set to 0
964        - allow regions with end=-1 to turn off other regions using the
965          group and off_by opcodes (#168)
966        - made end=0 play the whole sample
967        - fixed support for lochan and hichan opcodes (#155)
968        - fixed crash when using lochan/hichan opcodes (#187)
969        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
970        - added FLAC support (#191)
971        - sfz parser bugfix: lines starting with whitespace were ignored
972        - added amplitude opcode
973        - added support for "#include" instruction
974          (modified patch which was originally posted by Sergey on LS mailing list)
975        - bugfix: generation of velocity curves etc should not be done
976          after each "#include", only after the main file is parsed
977        - bugfix: line numbers in error messages were wrong after "#include"
978        - added support for float and 32 bit sample files
979    
980    * SoundFont format engine:    * SoundFont format engine:
981      - Initial implementation (not usable yet)      - Initial implementation (not usable yet)
# Line 210  Version CVS HEAD (?) Line 986  Version CVS HEAD (?)
986      - initial implementation of cutoff filter      - initial implementation of cutoff filter
987      - use linear decay and release for filter and pitch EG      - use linear decay and release for filter and pitch EG
988    
989    * 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:  
990      - AU bugfix: failed to destroy its audio/MIDI devices      - AU bugfix: failed to destroy its audio/MIDI devices
991      - Listen to all interfaces on Mac OS X (INADDR_ANY)      - Listen to all interfaces on Mac OS X (INADDR_ANY)
992      - VST bugfix: If the host called resume() before and after      - VST bugfix: If the host called resume() before and after
# Line 230  Version CVS HEAD (?) Line 1000  Version CVS HEAD (?)
1000      - VST: made it possible to build the VST plugin for Mac      - VST: made it possible to build the VST plugin for Mac
1001      - AU: link AU plugin dynamically if --disable-shared isn't      - AU: link AU plugin dynamically if --disable-shared isn't
1002        specified        specified
1003        - LV2 "state" extension support (patch by David Robillard)
1004      - VST bugfix: instrument loading hang and crashed the host when      - VST bugfix: instrument loading hang and crashed the host when
1005        the plugin was loaded a second time (#174)        the plugin was loaded a second time (#174)
1006        - plugin bugfix: instrument loading hang when the plugin was
1007          loaded a second time (this time it's for Linux and Mac, previous
1008          similar fix was for Windows)
1009        - thread safety fixes for the instrument loading thread
1010        - LV2: use the new lv2 package if present
1011        - VST: try to open Fantasia automatically on Linux and Mac too (on
1012          Linux, the Fantasia jar should be placed in <prefix>/share/java)
1013        - VST: fixed crashes on Linux Ardour and EnergyXT
1014        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
1015          port and audio channel routing for DSSI plugins are now visible.
1016        - LV2: use urid and atom extensions instead of deprecated uri-map
1017          and event
1018        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
1019        - LV2: changed number of output channels to 16 stereo, just like
1020          the VST and AU plugins
1021        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
1022        - LV2: made LV2 plugin buildable on Windows and Mac
1023        - VST: implemented retrieval and switching of programs using the
1024          sampler's internal MIDI instrument mapping system
1025    
1026      * Instrument editor interface:
1027        - Changed instrument editor plugin interface, providing additional
1028          informations like the EngineChannel for which the instrument editor was
1029          spawned for. This allows the instrument editors to interact more actively
1030          with the sampler.
1031    
1032    * MIDI driver:    * MIDI driver:
1033      - ALSA MIDI driver supports now "NAME" device parameter, for overriding      - ALSA MIDI driver supports now "NAME" device parameter, for overriding
# Line 239  Version CVS HEAD (?) Line 1035  Version CVS HEAD (?)
1035      - removed limit of maximum amount of MIDI ports per MIDI device, since      - removed limit of maximum amount of MIDI ports per MIDI device, since
1036        there is no reason for this limit        there is no reason for this limit
1037      - MME: fixed memory handling bug found with cppcheck      - MME: fixed memory handling bug found with cppcheck
1038        - MME: removed compiler warning
1039        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
1040          which allows to retrieve the list of CoreMIDI clients / ports and to connect
1041          to them a la JACK, via the usual sampler APIs
1042        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
1043          the driver will automatically connect to other CoreMIDI clients' ports
1044          (e.g. external MIDI devices being attached to the Mac)
1045        - added support for MIDI note on velocity filter
1046        - CoreMIDI: fixed memory deallocation error
1047        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
1048          virtual keyboards in frontends / instrument editors being stuck.
1049        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
1050        - Implemented missing handling of MIDI "running status".
1051        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
1052        - MME bugfix: driver wasn't closed properly
1053        - CoreMIDI: automatically connect to all input sources by default (driver
1054          parameter "AUTO_BIND").
1055        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
1056        - CoreMIDI: fixed minor memory leak
1057    
1058    * audio driver:    * audio driver:
1059      - ASIO driver fixes for newer gcc versions (fix from PortAudio)      - ASIO driver fixes for newer gcc versions (fix from PortAudio)
1060        - JACK audio: react on sample rate changes.
1061        - JACK audio: react on buffer size changes.
1062        - JACK audio: jack_port_get_buffer() was cached and called outside
1063          RT context.
1064        - ASIO driver: removed compiler warnings
1065        - CoreAudio: fixed minor error handling bug
1066        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
1067        - JACK audio: return the JACK server's current sample rate as default value
1068          for audio device parameter "SAMPLERATE" (fixes #166).
1069    
1070    * LSCP server:    * LSCP server:
1071      - added support for sending MIDI CC messages via LSCP command      - added support for sending MIDI CC messages via LSCP command
# Line 279  Version CVS HEAD (?) Line 1103  Version CVS HEAD (?)
1103      - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",      - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
1104        "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",        "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
1105        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1106        - provide comprehensive error messages on LSCP syntax errors
1107          (suggesting expected next non-terminal symbols)
1108        - Fixed client connection not being closed after network errors.
1109    
1110      * LSCP shell:
1111        - Added support for auto correction of obvious and trivial syntax mistakes.
1112        - Added support for auto completion by tab key.
1113        - Show currently available auto completion while typing.
1114        - Added support for browsing command history with up / down keys.
1115        - Show all possible next symbols immediately right to the current command
1116          line while typing (no double tab required for this feature, as it would
1117          be the case in other shells).
1118        - Added support for moving cursor left/right with arrow keys.
1119        - Added support for built-in LSCP reference documentation, which will
1120          automatically show the relevant LSCP reference section on screen as soon
1121          as one specific LSCP command was detected while typing on the command
1122          line.
1123    
1124      * Real-time instrument scripts:
1125        - Implemented built-in script array variable %CC.
1126        - Implemented built-in script int variable $CC_NUM.
1127        - Implemented built-in script int variable $EVENT_NOTE.
1128        - Implemented built-in script int variable $EVENT_VELOCITY.
1129        - Implemented built-in script constant variable $VCC_MONO_AT.
1130        - Implemented built-in script constant variable $VCC_PITCH_BEND.
1131        - Implemented execution of script event handler "init".
1132        - Implemented execution of script event handler "controller".
1133        - Implemented execution of script event handler "note".
1134        - Implemented execution of script event handler "release".
1135        - Implemented built-in script function "play_note()" (only two of the
1136          max. four function arguments are currently implemented yet though).
1137        - Implemented built-in script int variable $EVENT_ID.
1138        - Implemented built-in script function "ignore_event()"
1139        - Implemented built-in script function "ignore_controller()" (may have one
1140          or no argument).
1141        - Implemented built-in script function "set_controller()".
1142        - Added extended script VM for the Gigasampler/GigaStudio format sampler
1143          engine, which extends the general instrument script VM with Giga format
1144          specific variables and functions.
1145        - Giga format scripts: added built-in script int constant variables
1146          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
1147          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
1148          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
1149          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
1150          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
1151          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
1152          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
1153          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
1154          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
1155          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1156        - Giga format scripts: Implemented built-in script function
1157          "gig_set_dim_zone(event_id, dimension, zone)".
1158        - Implemented built-in script int array variable %KEY_DOWN.
1159        - Implemented built-in script function "abs()".
1160        - Implemented built-in script function "random()".
1161        - Implemented built-in script function "num_elements()".
1162        - Implemented built-in script function "note_off()".
1163        - Implemented built-in script function "set_event_mark()".
1164        - Implemented built-in script function "delete_event_mark()".
1165        - Implemented built-in script function "by_marks()".
1166        - Added built-in script int const variables $MARK_1 to $MARK_28.
1167        - Built-in script functions "ignore_event()", "note_off()" and
1168          "gig_set_dim_zone()" now also accept an array of event IDs as argument
1169          (i.e. return value of new script function "by_marks()").
1170        - Pass/preserve polyphonic variable data from respective "note" event
1171          handler to "release" event handler.
1172        - Fixed crash when using built-in script function "by_marks()".
1173    
1174    * Bug fixes:    * Bug fixes:
1175      - 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 310  Version CVS HEAD (?) Line 1201  Version CVS HEAD (?)
1201      - fixed bug #162      - fixed bug #162
1202      - bugfix: LADSPA_PATH was not evaluated correctly when containing      - bugfix: LADSPA_PATH was not evaluated correctly when containing
1203        multiple paths (#165)        multiple paths (#165)
1204                - thread safety fixes for the instrument loading thread
1205        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
1206          (#176)
1207        - more thread safety fixes for the instrument loading thread
1208        - sfz/sf2 engine: fixed crash when using small audio fragment size
1209        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
1210        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
1211          introduced in previous fix)
1212        - fixed crash when a channel received a program change while
1213          playing a note in a key group
1214        - fixed erroneous error message piping in VoiceBase.h
1215          (labelled "Disk stream not available in time")
1216        - Update effects on sample rate & period size changes (to avoid
1217          crashes and noise on such transitions).
1218        - ignore missing LADSPA paths without ignoring valid LADSPA paths
1219          (fixes #208)
1220        - Fixed bug in LSCP grammar definition which caused a statement like
1221          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
1222          practically irrelevant, however it caused problems with the new LSCP
1223          shell's auto completion feature).
1224        - Fixed MIDI program change messages being ignored if quickly executed
1225          after each other (fixes #231).
1226    
1227  Version 1.0.0 (31 July 2009)  Version 1.0.0 (31 July 2009)
1228    
1229    * packaging changes:    * packaging changes:
# Line 374  Version 1.0.0 (31 July 2009) Line 1287  Version 1.0.0 (31 July 2009)
1287      - Windows: add the installation directory to the DLL search path      - Windows: add the installation directory to the DLL search path
1288        when loading an editor plugin (solves problems with VST and        when loading an editor plugin (solves problems with VST and
1289        gigedit on systems with other GTK versions installed)        gigedit on systems with other GTK versions installed)
1290        - updated linuxsampler man page
1291    
1292    * audio driver:    * audio driver:
1293      - 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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