/[svn]/linuxsampler/trunk/ChangeLog
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revision 1922 by persson, Fri Jun 26 18:55:02 2009 UTC revision 3971 by schoenebeck, Fri Jun 25 09:26:00 2021 UTC
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1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * Real-time instrument scripts:
4        - Fix: Do not share compiled instrument scripts among multiple engine
5          channels (sampler parts) as this can lead to crashes and would allow the
6          same global script variables to be accessible from multiple engine
7          channels which would not be the expected behaviour by instrument script
8          authors.
9    
10      * GigaStudio/Gigasampler format engine:
11        - Use libgig's new IO-per-thread feature to avoid file I/O concurrency
12          issues with .gig file.
13        - Use libgig's new method gig::File::GetSample() with method
14          gig::File::CountSamples() instead of now deprecated
15          gig::File::GetFirstSample() / gig::File::GetNextSample() pair.
16        - Use libgig's new method gig::Instrument::GetRegionAt() with method
17          gig::Instrument:CountRegions() instead of now deprecated
18          gig::Instrument::GetFirstRegion() / gig::Instrument::GetNextRegion() pair.
19        - Use libgig's gig::File::GetInstrument() method with method
20          gig::File::CountInstruments() instead of now deprecated
21          gig::File::GetFirstInstrument() / gig::File::GetNextInstrument() pair.
22    
23    Version 2.2.0 (9 May 2021)
24    
25      * general changes:
26        - Fixed compiler error in Pool.h.
27        - Require C++14 compiler support.
28        - Autoconf: Added m4/ax_cxx_compile_stdcxx.m4 macro which is used
29          for checking in configure for C++14 support (as mandatory
30          requirement) and automatically adds compiler argument if required
31          (e.g. -std=C++14).
32        - RTMath: Implemented floating point comparison methods
33          fEqual32(float,float) and fEqual64(double,double) which take the
34          expected floating point tolerances into account.
35        - Added public API C++ class "LFO", which is a cluster class encapsulating
36          all the sampler's LFO implementations to be used by 3rd party applications
37          (e.g. by Gigedit).
38        - Added int math square LFO implementation.
39        - Added int math saw LFO implementation.
40        - Added numeric complex nr sine LFO implementation.
41        - Marked class LFOTriangleDiHarmonic as deprecated
42          (will be removed in future).
43        - Added LFOAll.h which includes all LFO implementation's header files.
44        - Refactored LFO class names and their file names (PulseLFO -> LFOPulse,
45          LFOSawIntMath -> LFOSawIntMathNew, SawLFO -> LFOSawIntMathOld,
46          SineLFO -> LFOSineBuiltinFn, LFOSine -> LFOSineNumericComplexNr,
47          SquareLFO -> LFOSquarePulse and separated the latter to its own header
48          file).
49        - Renamed type LFOSigned -> LFOTriangleSigned.
50        - Renamed type LFOUnsigned -> LFOTriangleUnsigned.
51        - Using now cubic interpolation as resampling algorithm by default; and
52          linear interpolation is deprecated now.
53        - Event:Init(): memset() entire Event::Param union to zero instead of trying
54          to do that for its individual members; the latter became error prone due
55          to the union's growing complexity meanwhile.
56        - EngineChannel: Overhaul of RPN/NRPN related methods: Added new
57          *Rpn*Parameter*() methods as replacement for previous *Rpn*Controller*()
58          methods and marked the old ones as deprecated; and likewise added new
59          *Nrpn*Parameter*() methods as replacement for previous *Nrpn*Controller*()
60          methods and marked those old ones deprecated as well.
61        - Added support for MIDI CC #38 (data entry LSB): this allows higher value
62          resolution for certain (e.g. hard coded) RPN and NRPN parameters.
63        - Implemented support for compressed RPN/NRPN message sequences (that is to
64          allow processing MIDI data entry messages without always having to be
65          preceded strictly by RPN/NRPN parameter selection messages on each value
66          change).
67        - Added support for MIDI CC #96 (data increment) and MIDI CC #97 (data
68          decrement).
69        - Added support for 'null function RPN/NRPN' (which is RPN/NRPN parameter
70          MSB=127 and LSB=127) and which is disabling subsequent data
71          entry/increment/decrement CC messages.
72        - Fixed crash when editing key groups (a.k.a. exclusive groups) with an
73          instrument editor.
74        - Fixed playing noise at the end of a disk stream under certain conditions.
75        - Fixed potential crash with high pitch at end of RAM playback.
76        - Added configure checks whether C++ compiler supports so called
77          'designated initializers'.
78        - Added global backtraceAsString() function for debugging purposes
79          (POSIX systems only, no Windows implementation yet).
80        - Thread class: Added new methods pushCancelable(), popCancelable(), name(),
81          nameOfCaller() and setNameOfCaller().
82        - configure: Always check for availability of pthread_testcancel() and use
83          it if so (previously it was only used if explicitly enabled by configure
84          option).
85        - Thread class: raise compiler warning if pthread_testcancel() is not
86          available, because it can lead to deadlocks.
87        - Mutex class: Implemented optional bug detection and deadlock debugging
88          features.
89        - Ref<> class is now thread safe (as lock-free and wait-free
90          implementation).
91        - Fixed compilation error with Bison >= 3.6.0.
92        - Fixed rare crash when switching between instruments that had instrument
93          scripts loaded.
94        - Allow EffectChain::InsertEffect() as alternative to
95          EffectChain::AppendEffect() (i.e. with index equal to current chain size).
96        - ConstCapacityArray class: Fixed bug in remove() method.
97        - Fixed crash on certain MIDI RPN and NRPN messages that occurred if no
98          real-time instrument script was loaded.
99    
100      * Real-time instrument scripts:
101        - Added method ScriptVM::setExitResultEnabled() which allows to
102          explicitly enable the built-in exit() function to optionally accept
103          one function argument; the value of the passed exit() function
104          argument will then become available by calling
105          VMExecContext::exitResult() after script execution.
106        - 64 bit support for NKSP integer scripts variables (declare $foo).
107        - Variable names, function names and preprocessor condition names must start
108          with a regular character (a-z or A-Z); starting them with a digit or
109          underscore is not allowed.
110        - NKSP parser fix: equal comparison operator "=" and not equal comparison
111          operator "#" must only accept integer operands.
112        - NKSP language: Implemented support for standard units like Hertz, seconds,
113          Bel including support for metric unit prefixes; so one can now e.g.
114          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
115          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
116          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
117        - NKSP language: Introduced "final" operator "!" which is specifically
118          intended for synthesis parameter values to denote that the synthesis
119          parameter value is intended to be the "final" value for that synthesis
120          parameter that should explicitly be used by the engine and thus causing
121          the sampler engine to ignore all other modulation sources for the same
122          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
123          variable or formula with this new "!" operator the expression is marked as
124          being "final".
125        - NKSP script editor API: Added support for detecting standard unit tokens
126          and their potential metric prefix token.
127        - NKSP language: Added support for NKSP real number literals and
128          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
129        - NKSP language: Added support for NKSP real number (floating point) script
130          variables (declare ~foo).
131        - NKSP language: Added support for NKSP real number (floating point) array
132          script variables (declare ?foo[]).
133        - Built-in script function "message()" accepts now real number argument as
134          well.
135        - Added built-in script function "real_to_int()" and its short hand form
136          "int()" for casting from real number to integer in NKSP scripts.
137        - Added built-in script function "int_to_real()" and its short hand form
138          "real()" for casting from integer to real number in NKSP scripts.
139        - Allow built-in exit() function to potentially accept real number type
140          argument as well.
141        - Built-in script functions may have a different return type depending on
142          the arguments passed to the function.
143        - Built-in script function "abs()" optionally accepts and returns real
144          number.
145        - Built-in script functions "min()" and "max()" optionally accept real
146          number arguments and return real number as result in that case.
147        - NKSP VM API: Allow units and 'final'ness to be returned as result from
148          built-in functions (added methods VMFunction::returnUnitType() and
149          VMFunction::returnsFinal() for that purpose which must be implemented by
150          built-in function implementations).
151        - NKSP language: Allow metric unit prefixes of numeric scalar and array
152          variables to be changed freely at runtime (unlike unit types like Hz etc.
153          which are still sticky, parse-time features of variables which cannot be
154          changed at runtime for the intentional sake of determinism).
155        - NKSP language: 'final' values are prohibited for array variables for now
156          (attempt causes a parsers error).
157        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
158          conditions of runtime control structures like if(), while(), select()
159          (attempt causes a parser error).
160        - NKSP VM API: Allow built-in functions to perform their own, individual
161          parse time checks of arguments going to be passed to the function at
162          runtime (added method VMFunction::checkArgs() for that purpose).
163        - NKSP language: raise parser warning if only one operand of binary
164          operators (like logical 'or' comparison) contain a 'final' value (because
165          it would always yield in a 'final' result in such cases).
166        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
167          different metric unit prefixes, which will behave as expected (e.g.
168          result of expression '1000us < 2ms' is true).
169        - NKSP language: Allow adding values with different metric unit prefixes
170          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
171        - NKSP language: Allow subtracting values with different metric unit
172          prefixes (e.g. result of expression '1ms - 20us' is '980us').
173        - NKSP language: Allow multiplying with any metric unit prefixes
174          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
175          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
176          we don't have any considerable practical use for a term like '4s^2'
177          (hence any attempt multiplying two unit types still causes parser error).
178        - NKSP language: Allow dividing by any metric unit prefixes and allow
179          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
180          yields in unit free result '8'). So this is now a way to cast units away
181          e.g. for passing the result to other expressions, certain function calls
182          or variables which are not accepting any units (or that specific unit).
183        - NKSP language: integer arrays and real number arrays can now be converted
184          to strings (e.g. for dumping their content with message() calls for
185          script debugging purposes).
186        - NKSP language: expressions and variables with units are now correctly
187          casted to strings (e.g. with message() calls).
188        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
189          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
190          floating point tolerances into account.
191        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
192          VMScalarNumberExpr::evalCastReal().
193        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
194          'VMIntArrayExpr' and 'VMRealArrayExpr'.
195        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
196          unitFactor() (runtime) methods.
197        - Built-in function "exit()" supports now returning units and 'final'ness
198          for test cases.
199        - The following built-in functions support now units as well: "abs()",
200          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
201          "real_to_int()", "int()", "int_to_real()" and "real()".
202        - Built-in functions "array_equal()", "search()" and "sort()" support now
203          real number arrays (correctly) as well.
204        - Added individual parse time checks of arguments to be passed to built-in
205          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
206          "array_equal()" and "search()" specific for their individual purposes.
207        - NKSP VM refactoring: Renamed all methods, functions and classes matching
208          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
209          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
210          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
211          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
212          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
213          isScalarNumber() -> isNumber()).
214        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
215          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
216          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
217          as convenient methods for automatically converting values to expected
218          metric value basis.
219        - Built-in function "wait()" accepts now both integers and real numbers as
220          argument.
221        - NKSP VM API cleanup: Get rid of legacy method
222          VMFunction::argType(vmint iArg) which was already superseded by its new
223          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
224        - NKSP parser: if wrong argument type was passed to a built-in function and
225          that built-in function accepts more than one data type for the argument,
226          then show all supported data types as parser error message.
227        - Built-in function "play_note()" accepts now real numbers and seconds as
228          unit type as well for its 3rd and 4th function arguments.
229        - The following built-in functions accept now real numbers as well for their
230          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
231          "change_attack()", "change_decay()", "change_release()",
232          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
233          "change_cutoff_sustain()", "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()", "fade_in()", "fade_out()", "change_play_pos()".
237        - Fixed built-in function "change_play_pos()" not having accepted metric
238          prefixes at all.
239        - Fixed the following built-in functions having misinterpreted values given
240          with unit type (for their 2nd argument) as if they were relative values
241          (that is as if they were passed without a unit type): "change_attack()",
242          "change_decay()", "change_release()", "change_cutoff_attack()",
243          "change_cutoff_decay()", "change_cutoff_release()".
244        - Fixed the following built-in functions having applied completely wrong
245          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
246          respective EGs being their modulation sink assume uint data type with
247          value range 0..1000 instead of 0.0..1.0.
248        - Added individual parse-time checks of function arguments for the following
249          built-in functions: "play_note()", "note_off()", "set_event_mark()",
250          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
251          "change_decay()", "change_release()", "change_cutoff_attack()",
252          "change_cutoff_decay()", "change_cutoff_release()",
253          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
254          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
255          "change_pan_time()".
256        - Don't abort function call if unit type was used and at the same time
257          'final' operator was omitted for the primary value argument of the
258          following built-in functions: "change_cutoff()", "change_attack()",
259          "change_decay()", "change_release()", "change_cutoff_attack()",
260          "change_cutoff_decay()", "change_cutoff_release()",
261          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
262          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
263          "change_pan_time()", instead imply 'final'ness at runtime and raise an
264          appropriate parser warning at parse time.
265        - Added built-in real number functions "round()", "ceil()", "floor()",
266          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
267          "cos()", "tan()", "asin()", "acos()", "atan()".
268        - Added built-in script real number constant "~NI_MATH_PI".
269        - Added built-in script real number constant "~NI_MATH_E".
270        - NKSP language: Allow unary '+' operator.
271        - Added built-in script functions "msb()" and "lsb()".
272        - NKSP language: Added support for RPN event handler
273          ("on rpn ... end on" in instrument scripts).
274        - NKSP language: Added support for NRPN event handler
275          ("on nrpn ... end on" in instrument scripts).
276        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
277          may be read from the new RPN/NRPN script handlers to get the (N)RPN
278          parameter that had been changed and its new value.
279        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
280          which are identifying the new (N)RPN handlers as such at script runtime.
281        - Implemented built-in script function "set_rpn()".
282        - Implemented built-in script function "set_nrpn()".
283        - Fix: built-in functions returning an array type were broken and caused a
284          crash when the built-in function's (supposed to be array) result value was
285          used by the script VM.
286        - Removed upper value constraint for 2nd argument of built-in functions
287          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
288          "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
289          "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
290          "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
291          the LFO frequency / resonance / cutoff frequency.
292        - Reduced code involved for parsing NKSP variable declarations by using 2
293          generalized grammar rules with optional components (i.e. optional value
294          assignment and optional variable qualifiers) instead of previous linear
295          combinations of grammar rules, which also fixes some edge case.
296        - NKSP language parser: track code block locations also by a) raw byte
297          position in NKSP source code string and b) length of that code block in
298          bytes (along to the already existing code block tracking by line/column);
299          and added appropriate new members to public C++ API classes like
300          'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
301        - NKSP language: Added support for 'patch' variable qualifier (capture their
302          locations and allow replacement of their assignment expression via VM C++
303          API).
304        - Fixed incorrect EG times if standard measuring unit was passed to built-in
305          functions "change_attack()", "change_decay()" or "change_release()".
306        - Fixed intermediate function result values never having reflected any
307          standard measuring unit type.
308        - Fixed re-entrant issue with function calls which caused wrong result
309          values if the same function was called multiple times in a term
310          (specifically if metric prefixes were used).
311        - NKSP language: Just throw a warning, not an error if an array variable of
312          size zero was declared.
313        - NKSP language: Allow omitting explicit array size on array variable
314          declaration if combined with immediate value assignment
315          (e.g. declare %foo[] := ( 1, 2, 3 ) ).
316        - NKSP language: emit warning if an array variable was declared with bigger
317          array size than amount of initial values been assigned, and initialize the
318          missing array elements with zero in this case.
319        - Fixed built-in NKSP exit() function to behave as return statement.
320        - NKSP parser: Fixed crash if unary '-' operator was used on a non-number
321          data type.
322        - NKSP VM: Fixed the "release" handler being executed too often under
323          certain situations if polyphonic data was passed from "note" handler to
324          "release" handler.
325        - Fixed memory leak in NKSP parser: string tokens were allocated as C
326          strings and never freed.
327        - Fixed incorrect polyphonic data transfer from wrong note handler to
328          release handler; which also fixes no release handler being executed
329          sometimes, and due to the latter it also fixes potential crashes as some
330          polyphonic script events were never released and the engine hence was
331          running out of free script events.
332        - Fixed crash when handling array results of built-in functions
333          (e.g. "num_elements(by_marks($MARK_1)").
334        - NKSP VM: Fixed dead note events not been removed from user's event groups
335          (i.e. causing incorrect behaviour of built-in NKSP functions by_marks()
336          and set_event_mark() after max. size of event group list was exhausted).
337    
338      * test cases:
339        - Fixed compiler errors in test cases.
340        - Updated README for how to compile & run test cases.
341        - Updated test case
342          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
343          expected behaviour of the Mutex class implementation (recursive
344          mutex type).
345        - Added test cases for NKSP core language aspects and core built-in
346          functions.
347        - Fixed thread tests segfaulting on Linux.
348        - NKSP: Added real number test cases for built-in functions exit(),
349          int_to_real(), real(), real_to_int() and int(), as well as for the
350          plus, minus and negate language operators.
351        - Added massive amount of NKSP test cases for standard measuring units and
352          'final' operator usage cases.
353        - Added NKSP test cases for (floating point tolerance aware) real number
354          equalness / unequalness comparison.
355        - Added NKSP int array and real array tests for value assignment and
356          initialization of arrays.
357        - Added NKSP test cases for built-in functions "round()", "ceil()",
358          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
359          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
360        - Added NKSP test cases for unary '+' operator.
361        - Added NKSP test cases for core built-in variables.
362        - Added thorough NKSP test cases for variable declarations.
363    
364      * GigaStudio/Gigasampler format engine:
365        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
366          behaviour for start_level_mid.
367        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
368          level (see discussion "GigaStudio LFO compatibility" on mailing list
369          from 2019-09-26 for details).
370        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
371          see discussion "GigaStudio LFO compatibility" on mailing list from
372          2019-09-26 for details).
373        - Format extension: Added support for different LFO wave forms (currently
374          either sine [default], triangle, saw or square).
375        - Format extension: Added support for LFO phase displacement (0°..360°).
376        - Format extension: Added support for flipping LFO polarity on LFO 3
377          (in the original gig format this was only available for LFO 1 and LFO 2).
378        - Format extension: Support for additional filter types:
379          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
380          bandreject 2-pole.
381        - Fixd potential crash with polynomial interpolator and max. pitch.
382        - If minimum cutoff is defined, remap cutoff controller CC values to really
383          span the entire possible cutoff range (and avoiding a dead controller
384          zone).
385        - Implemented support for loading instrument scripts with 'patch' variables
386          (by patching these script variables with potentially overridden ones by
387          gig Instrument).
388    
389      * SFZ format engine:
390        - Fixed support for regions with loccN/hiccN conditions on more than one
391          MIDI controller.
392        - Fixed internal opcode 'xfin_hivel' falsely being set by user opcode
393          'xfin_lovel' (patch by Christian Czezatke).
394    
395      * Benchmarks:
396        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
397          algorithm (since result of 2nd run was not accumulated).
398        - Added benchmark for saw wave (benchmarks/saw.cpp).
399        - Added benchmark for sine wave (benchmarks/sine.cpp).
400        - Added benchmark for square wave (benchmarks/square.cpp).
401        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
402          which are large enough on modern systems.
403    
404    Version 2.1.1 (27 Jul 2019)
405    
406      * Real-time instrument scripts:
407        - Fixed behavior of built-in NKSP functions change_sustain(),
408          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
409          and change_cutoff_release().
410    
411      * general changes:
412        - Only play release trigger samples on sustain pedal up if this behaviour
413          was explicitly requested by the instrument (otherwise only on note-off).
414        - Fixed compiler warnings.
415        - Fixed compilation error when cross-compiling to Mac.
416        - FX Sends: Provide more useful error messages on routing problems
417          (see bug #169).
418        - LSCP doc: Be more clear describing the two distinct approaches
419          of using external vs. internal effects (see bug #169).
420        - "optional" class: Fixed comparison operators.
421    
422      * Gigasampler/GigaStudio format engine:
423        - Format extension: If requested by instrument then don't play release
424          trigger sample on note-off events.
425    
426      * SFZ format engine:
427        - Fixed memory leak when releasing samples
428          (fixes bug #307, patch by Jacek Roszkowski)
429        - Fixed potential crash when a sample is shared by more than one region
430          (fixes bug #308, patch by Jacek Roszkowski).
431        - Opcode 'sample': Added support for built-in sample '*silence'
432          (fixes bug #310, patch by Jacek Roszkowski).
433    
434    Version 2.1.0 (25 Nov 2017)
435    
436      * SFZ format engine:
437        - added support for <global>, <master> and #define (patch by Alby M)
438        - Removed code duplication in SFZ file loading code.
439        - Added support for sfz extension opcode 'script' which may be used to
440          load real-time instrument script file (NKSP script language).
441        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
442        - Fixed unintended volume fade-in of voices under certain conditions.
443        - sfz parser: allow missing space between header and opcode
444    
445      * Gigasampler/GigaStudio format engine:
446        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
447          cutoff settings.
448        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
449          all if an up-pitch of more than 40 semi tones was requested (I don't
450          think there is any stock gig sound that requires this behavior to
451          resemble its original sound).
452        - Added support for controlling whether the individual EGADSR stages may
453          be aborted (as LinuxSampler extension to the original GigaStudio 4
454          format).
455    
456      * general changes:
457        - fixed printf type errors (mostly in debug messages)
458        - use unique_ptr instead of auto_ptr when building with C++11
459        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
460          allowing to sort data efficiently in real-time safe manner.
461        - RTList class: added methods for moving/inserting elements to arbitrary
462          position within a list.
463        - RTList class: added method fromPtr() for creating an Iterator object from
464          a raw element pointer.
465        - Attempt to partly fix resetting engine channels vs. resetting engine, an
466          overall cleanup of the Reset*(), ConnectAudioDevice(),
467          DisconnectAudioDevice() API methods would still be desirable though,
468          because the current situation is still inconsistent and error prone.
469        - Active voices are now internally grouped to "Note" objects, instead of
470          being directly assigned to a keyboard key. This allows more fine graded
471          processing of voices, which is i.e. required for certain instrument
472          script features.
473        - Fix: Release trigger voices were not spawned on sustain pedal up
474          (CC #64) events.
475        - Fix: Release trigger voices can now also distinguish correctly between
476          note-off and sustain pedal up events.
477        - All engines: Increased ramp speed of volume smoother and pan smoother
478          (while slow rate of crossfade smoother is preserved) to allow quick
479          volume and pan changes by instrument scripts for instance.
480        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
481          properly and thus were ignored for certain uses.
482        - Added new C++ API method
483          VirtualMidiDevice::SendChannelPressureToSampler().
484        - windows, 32-bit: fixed potential crashes by making sure the stack in
485          sub threads is 16-byte aligned
486        - fixed numerous compiler warnings
487        - Fixed invalid (note-on) event ID being assigned to new Note objects.
488        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
489          fixes potential undefined behavior.
490        - Fixed Note object leak when triggering notes on keys which did not
491          have a valid sample mapped (fixes bug #252).
492        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
493        - linuxsampler binary fix: option --create-instruments-db ignored
494          subsequent optional argument due to glibc's implementation oddity
495          which expects a "=" sign, but no space between them.
496    
497      * packaging changes:
498        - removed unnecessary dependency to libuuid
499          (originated by libgig's usage of it)
500        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
501          auto detect whether it (sh/c)ould output its messages in color.
502        - Debian: Fixed packaging error about invalid "Source-Version"
503          substitution variable.
504        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
505        - Debian: Added build dependency to libsqlite3-dev for building
506          linuxsampler with instruments DB support.
507    
508      * Real-time instrument scripts:
509        - Implemented scheduler for delayed MIDI events and for suspended scripts.
510        - Built-in script function "wait()": implemented support for function's
511          "duration-us" argument, thus scripts using this function are now
512          correctly resumed after the requested amount of microseconds.
513        - Built-in script function "play_note()": implemented support for
514          function's "duration-us" argument, thus notes triggered with this
515          argument are now correctly released after the requested amount of
516          microseconds.
517        - Fix: script events were not cleared when engine channel was reset,
518          potentially causing undefined behavior.
519        - Fixed crash which happened when trying to reference an undeclared
520          variable.
521        - Built-in script function "play_note()": Added support for passing
522          special value -1 for "duration-us" argument, which will cause the
523          triggered note to be released once the original note was released.
524        - Instrument script classes now exported with the liblinuxsampler C++ API.
525        - Added new API method ScriptVM::syntaxHighlighting() which provides
526          a convenient syntax highlighting backend for external instrument
527          script editor applications.
528        - Added new C++ API class "ScriptVMFactory".
529        - Extended parser issues to provide not only first line and first
530          column, but also last line and last column of issue (thus marking
531          the precise span of the issue within the source code).
532        - Reload script automatically after being modified by an instrument
533          editor.
534        - NKSP language grammar correction: allow empty event handler bodies
535          like "on note end on".
536        - Implemented built-in script function "change_vol()".
537        - Implemented built-in script function "change_tune()".
538        - Implemented built-in script function "change_pan()".
539        - Implemented built-in script function "change_cutoff()".
540        - Implemented built-in script function "change_reso()".
541        - Implemented built-in script function "event_status()".
542        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
543          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
544          "event_status()" function.
545        - NKSP language: Added support for bitwise operators ".or.", ".and."
546          and ".not.".
547        - NKSP language scanner: Fixed IDs matching to require at least one
548          character (i.e. when matching function names or variable names).
549        - NKSP language scanner: disabled unusued rules.
550        - Fixed behavior of play_note() and note_off() functions which must
551          be distinguished engine internally from "real" MIDI note on/off
552          events in order to avoid misbehaviors like hanging notes.
553        - Implemented built-in script variable "$KSP_TIMER".
554        - Implemented built-in script variable "$NKSP_REAL_TIMER".
555        - Implemented built-in script variable "$NKSP_PERF_TIMER".
556        - Implemented built-in script variable "$ENGINE_UPTIME".
557        - Implemented built-in script function "inc()".
558        - Implemented built-in script function "dec()".
559        - NKSP language fix: division expressions were evaluated too often.
560        - NKSP language fix: string concatenation operator was right
561          associative instead of left (to right).
562        - NKSP language correction: allow empty statements in entire language
563          (i.e. "if end if").
564        - Implemented built-in script function "stop_wait()".
565        - Implemented built-in script variable "$NI_CALLBACK_ID".
566        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
567        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
568        - Added support for read-only built-in variables (respectively
569          handled by the script parser).
570        - Added built-in script constant "$NI_CB_TYPE_INIT".
571        - Added built-in script constant "$NI_CB_TYPE_NOTE".
572        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
573        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
574        - NKSP Language: Added support for user defined script functions.
575        - Implemented built-in script function "change_attack()".
576        - Implemented built-in script function "change_decay()".
577        - Implemented built-in script function "change_release()".
578        - Fixed all change_*() built-in script functions to apply their
579          synthesis parameter changes immediately in case the respective note
580          was triggered at the same time, instead of scheduling the parameter
581          change, especially because it would cause some parameter types's
582          changes either to be ramped (i.e. change_vol()) or other types even
583          to have not effect at all (i.e. change_attack()).
584        - Implemented built-in script function "sh_left()".
585        - Implemented built-in script function "sh_right()".
586        - Implemented built-in script function "min()".
587        - Implemented built-in script function "max()".
588        - NKSP Fix: "init" event handler was not always executed when a script
589          was loaded.
590        - NKSP built-in wait() script function: abort script execution if
591          a negative or zero wait time was passed as argument (since this is
592          a common indication of a bug either of the script or even of the
593          engine, which could lead to RT instability or even worse).
594        - ScriptVM: Implemented automatic suspension of RT safety
595          threatening scripts.
596        - Provide more user friendly error messages on syntax errors.
597        - Fixed NKSP parser warning "Not a statement" when assigning an
598          initializer list to an array variable.
599        - Implemented built-in script array variable "%ALL_EVENTS".
600        - Implemented built-in script function "in_range()".
601        - Implemented built-in script function "change_amp_lfo_depth()".
602        - Implemented built-in script function "change_amp_lfo_freq()".
603        - Implemented built-in script function "change_pitch_lfo_depth()".
604        - Implemented built-in script function "change_pitch_lfo_freq()".
605        - Implemented built-in script function "change_vol_time()".
606        - Implemented built-in script function "change_tune_time()".
607        - Implemented built-in script function "fade_in()".
608        - Implemented built-in script function "fade_out()".
609        - Fixed acceptance of wrong data type of parameters passed to built-in
610          script functions "change_vol()", "change_tune()", "change_pan()",
611          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
612          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
613          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
614        - Added built-in script function "get_event_par()" and implemented some
615          of its possible parameter selections.
616        - Added built-in script function "set_event_par()" and implemented some
617          of its possible parameter selections.
618        - Fixed a bunch of scheduler time related bugs.
619        - Fixed polyphonic variables not being reset to zero after usage.
620        - Built-in "ignore_event()" function: argument is now optional, like with
621          built-in function "ignore_controller()".
622        - Implemented built-in script function "change_velo()".
623        - Implemented built-in script function "change_note()".
624        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
625          intuitive behavior if used in combination with "change_vol_time()" or
626          "change_tune_time()" respectively: now tuning/volume changes are only
627          assigned (without delay) immediately to a new note if the respective
628          timing function has not been called before, otherwise the volume/tuning
629          changes are automatically faded (before, only the event's time stamp was
630          relevant).
631         - Implemented built-in script function "array_equal()".
632         - Implemented built-in script function "search()".
633         - Implemented built-in script function "sort()".
634         - NKSP Fix: Never suspend "init" event handlers.
635         - Implemented built-in script function "same_region()" (currently only
636           available for gig format engine).
637         - Added built-in script constant "$NKSP_LINEAR".
638         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
639         - Implemented built-in script function "change_vol_curve()".
640         - Implemented built-in script function "change_tune_curve()".
641         - built-in "play_note()" function now supports a sample playback start
642           offset with argument 3, where special value -1 means to use the regular
643           sample offset as defined by the instrument file.
644         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
645         - Built-in variable $EVENT_NOTE is now a read-only variable.
646         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
647         - built-in "play_note()" function now accepts -2 for its fourth argument
648           (note duration) which means the life time of the note shall be sticked
649           to the requested note number of argument 1.
650         - Fix: built-in "play_note()" function now returns 0 as result value if
651           -1 was passed for its fourth argument (note duration) and the respective
652           parent note is already gone.
653        - Implemented built-in script function "change_play_pos()".
654        - NKSP language: Added support for user declared const array variables.
655        - NKSP language: Raise parser warning if array variable is accessed with
656          an index that exceeds the array's size.
657        - NKSP language fix: Unknown characters were not handled correctly.
658        - NKSP language: Added support for "synchronized .. end synchronized"
659          code blocks.
660        - Implemented built-in script function "abort()" which allows to abort
661          another script handler by passing its callback ID.
662        - Fixed potential memory access bug and potential undefined behavior of
663          "init" event handlers.
664        - Print a time stamp along to each call of built-in function "message()".
665        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
666          to retrieve all code blocks filtered out by the preprocessor.
667        - Added built-in script function "fork()".
668        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
669        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
670        - Fixed potential crash when accessing dynamic built-in array variables.
671        - Added built-in script function "callback_status()".
672        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
673        - Added built-in constant $CALLBACK_STATUS_QUEUE.
674        - Added built-in constant $CALLBACK_STATUS_RUNNING.
675        - Removed max. value limitation of built-in functions "change_attack()",
676          "change_decay()" and "change_release()" to i.e. allow passing 2000000
677          for doubling the respective time.
678        - NKSP script editor syntax highlighting API: Fixed app termination due
679          to a lexer start condition stack underrun.
680        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
681          USE_CODE_IF_NOT() preprocessor statements.
682        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
683          can be set to disable all subsequent built-in "message()" function calls
684          on preprocessor level.
685        - Implemented built-in script function "change_sustain()".
686        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
687          to avoid the editor app to crash on ill-formed text input.
688        - Added built-in script function "change_pan_time()".
689        - Added built-in script function "change_pan_curve()".
690        - Added built-in script function "change_cutoff_attack()".
691        - Added built-in script function "change_cutoff_decay()".
692        - Added built-in script function "change_cutoff_sustain()".
693        - Added built-in script function "change_cutoff_release()".
694        - Added built-in script function "change_cutoff_lfo_depth()".
695        - Added built-in script function "change_cutoff_lfo_freq()".
696    
697      * Instruments DB:
698        - Fixed memory access bug of general DB access code which lead to
699          undefined behavior.
700        - Cleanup of instruments DB file creation and opening code.
701        - The instrument DB path of linuxsampler's --create-instruments-db argument
702          is now optional, if it is missing, then a default location is used.
703        - Added support for scanning SFZ (.sfz) files.
704        - Added support for scanning Sound Font (.sf2) files.
705        - Fixed undefined DB transaction behavior.
706    
707    Version 2.0.0 (15 July 2015)
708    
709      * packaging changes:
710        - fixed building with newer MinGW-w64
711        - Mac OS X: support the new dir for Core Audio SDK
712        - Mac OS X: fixed building outside source directory
713        - made sure all source files for hostplugins are included when
714          doing "make dist"
715        - removed empty directories left from the cvs to svn migration
716        - fixed compilation with gcc 4.6.1
717        - another "make dist" fix, for the LV2 plugin
718        - made --enable-pthread-testcancel default on Mac OS X
719        - minor Makefile fix for building lscpparser when build and source
720          directories are separate
721        - Mac OS X: made it possible to specify plugin installation dir to
722          configure
723        - Mac OS X: Makefile fix for the install-strip target
724        - fixed compilation with gcc 4.7
725        - fixed configure script error with old autoconf versions
726        - lsatomic.h: use gcc provided atomic functions if building with
727          gcc 4.7 and C++11
728        - modernized configure script
729        - fixed linkage error when building with
730          LDFLAGS="-Wl,--no-undefined" (#190)
731        - fixed compilation with Clang 3.2
732        - removed usage of deprecated Automake variable INCLUDES
733        - fixed building with C++11
734        - build fix: ChangeFlagRelaxed.h was missing in makefile
735        - build fix: libsndfile compiler flags were missing in some
736          makefiles
737        - fix for building with bison 3.0 (#202)
738        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
739          on the process's main thread
740        - fixed build error on newer MinGW
741        - support building with older jack versions
742        - support building with spaces in vst sdk path
743        - enabled automake 'subdir-objects' option and moved external
744          source references (vst, au, asio) from makefiles to cpp files,
745          in order to get rid of warnings from automake 1.14
746    
747      * general changes:
748        - Refactoring: moved the independent code from
749          the Gigasampler format engine to base classes
750        - command line option '--profile' is currently disabled, since the
751          respective profiling code is currently broken
752        - Introduced support for optional environment variable
753          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
754          where the sampler shall look for instrument editor plugins
755          (patch by Luis Garrido, slightly modified).
756        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
757        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
758        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
759          note (in this implementation of the sampler its simply hard routed to
760          the 1st effect send of the sampler channel, no matter what the actual
761          effect type is)
762        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
763          note (in this implementation of the sampler its simply hard routed to
764          the 2nd effect send of the sampler channel, no matter what the actual
765          effect type is)
766        - implemented support for internal LADSPA effects
767        - raised limit of program change queue from 100 to 512
768          (as suggested by Alex Stone)
769        - implemented sine LFO, pulse LFO and saw LFO
770        - experimental support for per voice equalization
771        - added command line option --exec-after-init
772        - Introduced new C++ API method:
773          EngineChannel::InstrumentFileName(int index)
774          allowing to retrieve the whole list of files used for the loaded
775          instrument on an engine channel (a.k.a. part). Some GigaStudio
776          instruments for example are splitted over several files like
777          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
778        - Added new C++ API method Sampler::GetGlobalMaxVoices().
779        - Added new C++ API method Sampler::GetGlobalMaxStreams().
780        - Added new C++ API method Sampler::SetGlobalMaxVoices().
781        - Added new C++ API method Sampler::SetGlobalMaxStreams().
782        - Various "const" and "restrict" optimizations.
783        - all engines: add pan CC value to instrument pan parameter before
784          applying panning, instead of using two separate pan functions in
785          series (#182)
786        - added a lock guard class for exception safe mutex handling and
787          used it everywhere appropriate
788        - Immediately apply scale tuning changes to active voices.
789        - Exposed scale tuning to C++ API (along to the already existing standard
790          SysEx way).
791        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
792          and broken for ppc64. (Seq_cst loads and stores are actually not
793          used in LS, so the bug wasn't noticable.)
794        - lsatomic.h: added ARMv7 support
795        - Added support for multiple MIDI input ports per sampler channel (and
796          added various new C++ methods for this new feature / design change, old
797          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
798          as deprecated but are still there and should provide full behavior
799          backward compatibility).
800        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
801          unsafe and caused compilation error with clang 2.x).
802        - Bugfix: only process the latest MIDI program change event.
803        - Introducing the LSCP shell, which provides convenient control of the
804          sampler from the command line by providing LSCP aware features.
805        - VirtualMidiDevice: Added support for program change.
806        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
807        - VirtualMidiDevice: Added support for pitch bend.
808        - Aftertouch: extended API to explicitly handle channel pressure and
809          polyphonic key pressure events (so far polyphonic pressure was not
810          supported at all, and channel pressure was rerouted as CC128 but not
811          used so far).
812        - Added initial support for real-time instrument scripts. The script VM
813          code is shared by all sampler engine implemementations, however only the
814          gig file format currently provides support for storing instrument scripts
815          (as LinuxSampler extension to the original GigaStudio 4 format).
816    
817      * Gigasampler format engine:
818        - implemented the "round robin keyboard" dimension
819        - fixed round robin and random dimensions for cases when number of
820          dimension zones is not a power of two
821        - made round robin use a counter for each region instead of each
822          key
823        - bugfix: pitch LFO controller "internal+aftertouch" was broken
824        - bugfix: filter keyboard tracking was broken
825        - filter performance fix (an unnecessary copy was made of the
826          filter parameters in each sub fragment)
827        - handle special case when pan parameter in gig file has max or
828          min value
829        - Exclusive Groups: don't ever stop voices of the same note,
830          doesn't sound naturally with a drumkit
831        - fixed EG1 modulation when attack or release is zero
832        - Fixed support for 'aftertouch' attenuation controller.
833        - Fixed crash that happened with velocity split sounds under certain
834          conditions (see also previous commit on libgig).
835        - fixed behaviour of filter LFO
836    
837      * SFZ format engine:
838        - Initial implementation (not usable yet)
839        - added support for v2 multiple stage envelope generators
840        - added a fine-tuned v1 envelope generator instead of using the
841          one from the gig engine
842        - fixed memory leak and memory handling errors
843        - added support for trigger=first, trigger=legato and sw_previous
844        - allow non-numerical key values ("C#4" for example)
845        - "key" opcode now sets pitch_keycenter too
846        - fixed error when unloading instrument with same sample used by
847          multiple regions
848        - added some opcode aliases, like loopmode for loop_mode, to be
849          more compatible
850        - added support for trigger=release and rt_decay
851        - added support for off_mode=normal
852        - added support for random, seq_position, seq_length and volume
853        - added v1 LFO opcodes to parser (no support in engine yet)
854        - added support for amp_veltrack and amp_velcurve_N
855        - fine-tuned the default velocity curve
856        - added support for transpose
857        - fixed crash when using sw_down/up
858        - improved logic for sw_lokey/hikey/up/down/last
859        - added more v1 aliases to parser
860        - reduced memory usage for sfz data
861        - RT-safeness: avoid malloc in audio thread
862        - fixed a bug that could cause voice stealing to fail
863        - optimized sample lookup
864        - improved support for exclusive groups (group, off_by and
865          off_mode)
866        - added support for controller triggered regions (on_locc/on_hicc)
867        - added support for loop_mode=one_shot
868        - fixed playback of 16 bit wav files on big endian CPUs
869        - added support for Ogg Vorbis sample files
870        - use loop markers from sample file if loop_start and loop_end are
871          not set in sfz file
872        - implemeted filters. Filter types: lowpass, bandpass, bandreject
873          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
874          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
875          cutoff_cc, cutoff_chanaft.
876        - bugfix: zero ampeg_sustain didn't work
877        - added support for velocity effect on amplifier envelope time
878          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
879          ampeg_vel2release)
880        - added support for EG hold (ampeg_hold)
881        - added support for sample offset (offset)
882        - use the newly introduced signal units model
883        - implemented opcodes lfoN_delay,
884          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
885        - implemented opcodes ampeg_delay, ampeg_vel2delay
886          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
887          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
888          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
889          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
890        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
891          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
892          amplfo_delay, amplfo_freq, amplfo_depth
893        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
894          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
895          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
896          fileg_vel2release
897        - implemented opcode lfoN_wave
898        - implemented opcode pitchlfo_depthccN
899        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
900          lfoN_pitch, lfoN_pitch_onccX
901        - implemented opcodes pitchlfo_fade,
902          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
903        - implemented opcodes fillfo_freqccN,
904          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
905        - implemented opcodes ampeg_delayccN, ampeg_startccN,
906          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
907          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
908        - lfoN_* and egN_* opcodes defined in group sections
909          are now taken into account
910        - implemented curves
911        - implemented opcodes volume_onccN, volume_curveccN
912        - implemented opcode volume_smoothccN
913        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
914          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
915          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
916          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
917          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
918        - implemented opcode end
919        - implemented opcodes egN_amplitude_onccX,
920          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
921          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
922        - implemented opcodes xfin_lokey, xfin_hikey,
923          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
924          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
925          xfout_loccN, xfout_hiccN, xf_cccurve
926        - implemented opcodes pan_onccN, pan_smoothccN,
927          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
928          egN_pan_curveccX, pitch_veltrack
929        - when failed to parse a sfz file
930          print the line number on which the error occurs
931        - use common pool of CC objects to minimize RAM usage
932        - implemented opcodes amplfo_delay_onccN,
933          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
934          pitchlfo_delay_onccN, pitchlfo_fade_onccN
935        - implemented opcodes fileg_delay_onccN,
936          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
937          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
938          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
939          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
940          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
941        - implemented automatic aliasing *ccN <-> *_onccN
942        - *lfo_freqccN wasn't working when the respective *lfo_freq
943          was not set or was set to zero
944        - lfoN_freq_onccX wasn't working when lfoN_freq
945          was not set or was set to zero
946        - implemented opcodes resonance_onccN, resonance_smoothccN,
947          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
948        - implemented opcodes fillfo_depthchanaft,
949          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
950          pitchlfo_depthchanaft, pitchlfo_freqchanaft
951        - implemented opcodes pitch_onccN,
952          pitch_curveccN, pitch_smoothccN, pitch_stepccN
953        - implemented opcodes volume_stepccN, pan_stepccN,
954          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
955          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
956          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
957        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
958          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
959          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
960          eq1_gainccN, eq2_gainccN, eq3_gainccN
961        - implemented opcodes delay, delay_onccN, delay_random,
962          delay_samples, delay_samples_onccN
963        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
964          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
965          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
966          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
967          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
968          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
969          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
970          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
971          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
972          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
973          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
974          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
975          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
976          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
977          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
978        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
979          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
980        - sfz parser: allow double spaces in sample filenames
981        - sfz parser: allow absolute paths for sample filenames
982        - use linear decay and release for filter and pitch EG
983        - bugfix: only the first amp_veltrack definition in a file was
984          used
985        - bugfix: looping was disabled if loop_start was set to 0
986        - allow regions with end=-1 to turn off other regions using the
987          group and off_by opcodes (#168)
988        - made end=0 play the whole sample
989        - fixed support for lochan and hichan opcodes (#155)
990        - fixed crash when using lochan/hichan opcodes (#187)
991        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
992        - added FLAC support (#191)
993        - sfz parser bugfix: lines starting with whitespace were ignored
994        - added amplitude opcode
995        - added support for "#include" instruction
996          (modified patch which was originally posted by Sergey on LS mailing list)
997        - bugfix: generation of velocity curves etc should not be done
998          after each "#include", only after the main file is parsed
999        - bugfix: line numbers in error messages were wrong after "#include"
1000        - added support for float and 32 bit sample files
1001    
1002      * SoundFont format engine:
1003        - Initial implementation (not usable yet)
1004        - RT-safeness: avoid malloc in audio thread
1005        - fixed a bug that could cause voice stealing to fail
1006        - fine-tuned amplitude EG (by switching from gig to sfz EG)
1007        - initial implementation of Vibrato LFO and Modulation LFO
1008        - initial implementation of cutoff filter
1009        - use linear decay and release for filter and pitch EG
1010    
1011      * Host plugins (VST, AU, LV2, DSSI):
1012        - AU bugfix: failed to destroy its audio/MIDI devices
1013        - Listen to all interfaces on Mac OS X (INADDR_ANY)
1014        - VST bugfix: If the host called resume() before and after
1015          changing sample rate or block size, the number of channels was
1016          incorrectly set to two. This caused silence in Cubase 5.
1017        - save engine type (gig, sfz or sf2) in plugin state
1018        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
1019          64 bit Windows
1020        - AU: changed number of output channels from one stereo to 16
1021          stereo
1022        - VST: made it possible to build the VST plugin for Mac
1023        - AU: link AU plugin dynamically if --disable-shared isn't
1024          specified
1025        - LV2 "state" extension support (patch by David Robillard)
1026        - VST bugfix: instrument loading hang and crashed the host when
1027          the plugin was loaded a second time (#174)
1028        - plugin bugfix: instrument loading hang when the plugin was
1029          loaded a second time (this time it's for Linux and Mac, previous
1030          similar fix was for Windows)
1031        - thread safety fixes for the instrument loading thread
1032        - LV2: use the new lv2 package if present
1033        - VST: try to open Fantasia automatically on Linux and Mac too (on
1034          Linux, the Fantasia jar should be placed in <prefix>/share/java)
1035        - VST: fixed crashes on Linux Ardour and EnergyXT
1036        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
1037          port and audio channel routing for DSSI plugins are now visible.
1038        - LV2: use urid and atom extensions instead of deprecated uri-map
1039          and event
1040        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
1041        - LV2: changed number of output channels to 16 stereo, just like
1042          the VST and AU plugins
1043        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
1044        - LV2: made LV2 plugin buildable on Windows and Mac
1045        - VST: implemented retrieval and switching of programs using the
1046          sampler's internal MIDI instrument mapping system
1047    
1048      * Instrument editor interface:
1049        - Changed instrument editor plugin interface, providing additional
1050          informations like the EngineChannel for which the instrument editor was
1051          spawned for. This allows the instrument editors to interact more actively
1052          with the sampler.
1053    
1054      * MIDI driver:
1055        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
1056          the ALSA sequencer client name
1057        - removed limit of maximum amount of MIDI ports per MIDI device, since
1058          there is no reason for this limit
1059        - MME: fixed memory handling bug found with cppcheck
1060        - MME: removed compiler warning
1061        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
1062          which allows to retrieve the list of CoreMIDI clients / ports and to connect
1063          to them a la JACK, via the usual sampler APIs
1064        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
1065          the driver will automatically connect to other CoreMIDI clients' ports
1066          (e.g. external MIDI devices being attached to the Mac)
1067        - added support for MIDI note on velocity filter
1068        - CoreMIDI: fixed memory deallocation error
1069        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
1070          virtual keyboards in frontends / instrument editors being stuck.
1071        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
1072        - Implemented missing handling of MIDI "running status".
1073        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
1074        - MME bugfix: driver wasn't closed properly
1075        - CoreMIDI: automatically connect to all input sources by default (driver
1076          parameter "AUTO_BIND").
1077        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
1078        - CoreMIDI: fixed minor memory leak
1079    
1080      * audio driver:
1081        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
1082        - JACK audio: react on sample rate changes.
1083        - JACK audio: react on buffer size changes.
1084        - JACK audio: jack_port_get_buffer() was cached and called outside
1085          RT context.
1086        - ASIO driver: removed compiler warnings
1087        - CoreAudio: fixed minor error handling bug
1088        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
1089        - JACK audio: return the JACK server's current sample rate as default value
1090          for audio device parameter "SAMPLERATE" (fixes #166).
1091    
1092      * LSCP server:
1093        - added support for sending MIDI CC messages via LSCP command
1094          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
1095        - added LSCP command "GET AVAILABLE_EFFECTS"
1096        - added LSCP command "LIST AVAILABLE_EFFECTS"
1097        - added LSCP command "GET EFFECT INFO <effect-index>"
1098        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
1099        - added LSCP command
1100          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
1101        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
1102        - added LSCP command "GET EFFECT_INSTANCES"
1103        - added LSCP command "LIST EFFECT_INSTANCES"
1104        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
1105        - added LSCP command
1106          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
1107        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
1108          <effect-instance> <input-control> <value>"
1109        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
1110        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
1111        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
1112        - added LSCP command
1113          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
1114        - added LSCP command
1115          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
1116        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
1117          <effect-chain> <effect-instance>"
1118        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
1119          <effect-chain> <effect-chain-pos> <effect-instance>"
1120        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
1121          <effect-chain> <chain-pos>"
1122        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
1123          <fx_send_id> <effect_chain> <chain_pos>"
1124        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
1125        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
1126          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
1127          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1128        - provide comprehensive error messages on LSCP syntax errors
1129          (suggesting expected next non-terminal symbols)
1130        - Fixed client connection not being closed after network errors.
1131    
1132      * LSCP shell:
1133        - Added support for auto correction of obvious and trivial syntax mistakes.
1134        - Added support for auto completion by tab key.
1135        - Show currently available auto completion while typing.
1136        - Added support for browsing command history with up / down keys.
1137        - Show all possible next symbols immediately right to the current command
1138          line while typing (no double tab required for this feature, as it would
1139          be the case in other shells).
1140        - Added support for moving cursor left/right with arrow keys.
1141        - Added support for built-in LSCP reference documentation, which will
1142          automatically show the relevant LSCP reference section on screen as soon
1143          as one specific LSCP command was detected while typing on the command
1144          line.
1145    
1146      * Real-time instrument scripts:
1147        - Implemented built-in script array variable %CC.
1148        - Implemented built-in script int variable $CC_NUM.
1149        - Implemented built-in script int variable $EVENT_NOTE.
1150        - Implemented built-in script int variable $EVENT_VELOCITY.
1151        - Implemented built-in script constant variable $VCC_MONO_AT.
1152        - Implemented built-in script constant variable $VCC_PITCH_BEND.
1153        - Implemented execution of script event handler "init".
1154        - Implemented execution of script event handler "controller".
1155        - Implemented execution of script event handler "note".
1156        - Implemented execution of script event handler "release".
1157        - Implemented built-in script function "play_note()" (only two of the
1158          max. four function arguments are currently implemented yet though).
1159        - Implemented built-in script int variable $EVENT_ID.
1160        - Implemented built-in script function "ignore_event()"
1161        - Implemented built-in script function "ignore_controller()" (may have one
1162          or no argument).
1163        - Implemented built-in script function "set_controller()".
1164        - Added extended script VM for the Gigasampler/GigaStudio format sampler
1165          engine, which extends the general instrument script VM with Giga format
1166          specific variables and functions.
1167        - Giga format scripts: added built-in script int constant variables
1168          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
1169          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
1170          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
1171          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
1172          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
1173          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
1174          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
1175          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
1176          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
1177          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1178        - Giga format scripts: Implemented built-in script function
1179          "gig_set_dim_zone(event_id, dimension, zone)".
1180        - Implemented built-in script int array variable %KEY_DOWN.
1181        - Implemented built-in script function "abs()".
1182        - Implemented built-in script function "random()".
1183        - Implemented built-in script function "num_elements()".
1184        - Implemented built-in script function "note_off()".
1185        - Implemented built-in script function "set_event_mark()".
1186        - Implemented built-in script function "delete_event_mark()".
1187        - Implemented built-in script function "by_marks()".
1188        - Added built-in script int const variables $MARK_1 to $MARK_28.
1189        - Built-in script functions "ignore_event()", "note_off()" and
1190          "gig_set_dim_zone()" now also accept an array of event IDs as argument
1191          (i.e. return value of new script function "by_marks()").
1192        - Pass/preserve polyphonic variable data from respective "note" event
1193          handler to "release" event handler.
1194        - Fixed crash when using built-in script function "by_marks()".
1195    
1196      * Bug fixes:
1197        - Fixed crash which may occur when MIDI key + transpose is out of range
1198        - minor valgrind fixes
1199        - fixed crash which occurred when changing an already deployed sampler
1200          channel to a different engine type
1201        - fixed crash when deleting a sampler channel or changing engine
1202          type while an instrument load was in progress
1203        - bugfix: playing a note while changing the instrument could cause
1204          a crash, or give "Handing back unknown region" error messages
1205        - bugfix: calling SET VOICES (which Fantasia does on start and
1206          refresh) could cause instruments to be unloaded
1207        - Mac OS X: fixed name collision of enum in EffectControl and
1208          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
1209        - Mac OS X: fixed hanging threads
1210        - Windows: disabled the previous thread fix on non-Mac systems, as
1211          it caused hanging threads on Windows
1212        - Fixed possible crashes due to corrupted MIDI/audio device list
1213          after MIDI/audio device creation failure
1214        - When creating MIDI instrument map entries with "PERSISTENT" type, the
1215          instruments were uselessly precached with zero samples, however it still
1216          took the full preloading time and on 1st program change the respective
1217          instrument was completely reloaded again.
1218        - fixed handling of rapid bank select and program change messages
1219          sent to the same sampler channel (patch from the Open Octave
1220          project, slightly adjusted)
1221        - fixed crash when trying to create an effect instance with controls
1222          which min and/or max values depend on the sample rate
1223        - fixed bug #162
1224        - bugfix: LADSPA_PATH was not evaluated correctly when containing
1225          multiple paths (#165)
1226        - thread safety fixes for the instrument loading thread
1227        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
1228          (#176)
1229        - more thread safety fixes for the instrument loading thread
1230        - sfz/sf2 engine: fixed crash when using small audio fragment size
1231        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
1232        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
1233          introduced in previous fix)
1234        - fixed crash when a channel received a program change while
1235          playing a note in a key group
1236        - fixed erroneous error message piping in VoiceBase.h
1237          (labelled "Disk stream not available in time")
1238        - Update effects on sample rate & period size changes (to avoid
1239          crashes and noise on such transitions).
1240        - ignore missing LADSPA paths without ignoring valid LADSPA paths
1241          (fixes #208)
1242        - Fixed bug in LSCP grammar definition which caused a statement like
1243          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
1244          practically irrelevant, however it caused problems with the new LSCP
1245          shell's auto completion feature).
1246        - Fixed MIDI program change messages being ignored if quickly executed
1247          after each other (fixes #231).
1248    
1249    Version 1.0.0 (31 July 2009)
1250    
1251    * packaging changes:    * packaging changes:
1252      - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,      - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
# Line 13  Version CVS HEAD (?) Line 1261  Version CVS HEAD (?)
1261      - fixed building with libgig installed in a non-standard directory      - fixed building with libgig installed in a non-standard directory
1262      - minor fix in configure for mmsystem.h detection on MinGW      - minor fix in configure for mmsystem.h detection on MinGW
1263      - Windows: look for editor plugins and Fantasia using base      - Windows: look for editor plugins and Fantasia using base
1264        directory of liblinuxsampler dll        directory of liblinuxsampler dll (look in the same directory and one
1265          directory above)
1266      - configure script fix: removed unconditional use of SSE      - configure script fix: removed unconditional use of SSE
1267        - fixed building with sqlite installed in a non-standard directory
1268        - when cross-compiling, don't try to create instruments.db
1269        - fix for new mingw-w64 version, which has usleep
1270    
1271    * general changes:    * general changes:
1272      - bugfix: on some POSIX systems instrument editor plugins refused to      - bugfix: on some POSIX systems instrument editor plugins refused to
# Line 54  Version CVS HEAD (?) Line 1306  Version CVS HEAD (?)
1306      - theoretical fix: made SynchronizedConfig follow C++0x memory      - theoretical fix: made SynchronizedConfig follow C++0x memory
1307        model more strictly        model more strictly
1308      - fixes for using large audio device buffers      - fixes for using large audio device buffers
1309        - Windows: add the installation directory to the DLL search path
1310          when loading an editor plugin (solves problems with VST and
1311          gigedit on systems with other GTK versions installed)
1312        - updated linuxsampler man page
1313    
1314    * audio driver:    * audio driver:
1315      - removed the nonsense audio channel constraint (which was hard coded to      - removed the nonsense audio channel constraint (which was hard coded to
# Line 81  Version CVS HEAD (?) Line 1337  Version CVS HEAD (?)
1337        stereo        stereo
1338      - added channel routing, fxsends and midi maps to the settings      - added channel routing, fxsends and midi maps to the settings
1339        stored in the plugin state        stored in the plugin state
1340        - performance optimization of AudioChannel::MixTo() and
1341          AudioChannel::CopyTo() methods using GCC vector exensions
1342          (if available)
1343        - ASIO fixes: avoid initializing the device twice, avoid throwing
1344          exception when getting parameters from a disconnected device
1345    
1346    * MIDI driver:    * MIDI driver:
1347      - added JACK MIDI driver      - added JACK MIDI driver
# Line 90  Version CVS HEAD (?) Line 1351  Version CVS HEAD (?)
1351      - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,      - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
1352        CoreMidi or AU        CoreMidi or AU
1353      - fixed mingw-w64 compilation error in MME driver      - fixed mingw-w64 compilation error in MME driver
1354        - made program change handling in MIDI thread real-time safe by
1355          moving the logic to a non-RT thread
1356        - fixed minor memory leak in ALSA driver
1357    
1358    * instruments database:    * instruments database:
1359      - avoid time consuming samples scanning when adding instruments      - avoid time consuming samples scanning when adding instruments
# Line 100  Version CVS HEAD (?) Line 1364  Version CVS HEAD (?)
1364        (patch by Chris Cherrett & Andrew Williams, a bit adjusted)        (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
1365      - work-around for missing fnmatch function on Windows to make      - work-around for missing fnmatch function on Windows to make
1366        instrument database compilable        instrument database compilable
1367          - added instrument database support on Windows      - added instrument database support on Windows
1368            works with both standalone mode and VST plugin.        works with both standalone mode and VST plugin.
1369            the instruments DB file is located in        the instruments DB file is located in
1370            %USERPROFILE%\.linuxsampler\instruments.db which allows different        %USERPROFILE%\.linuxsampler\instruments.db which allows different
1371            databases for each windows user        databases for each windows user
1372            if no DB is present it automatically creates the .linuxsampler subdir        if no DB is present it automatically creates the .linuxsampler subdir
1373            and then creates an empty DB        and then creates an empty DB
1374        - fixed recursive import, which was broken on Windows
1375    
1376    * Gigasampler format engine:    * Gigasampler format engine:
1377      - fixed a memory leak that could happen when a channel was deleted      - fixed a memory leak that could happen when a channel was deleted
# Line 150  Version CVS HEAD (?) Line 1415  Version CVS HEAD (?)
1415      - added a limit check for upward pitch shifting      - added a limit check for upward pitch shifting
1416      - bugfix: sometimes, when playing a note twice fast, the second      - bugfix: sometimes, when playing a note twice fast, the second
1417        note was silent        note was silent
1418        - fixed crash happening when a pitch bend event arrived at the
1419          same time a new instrument was loading
1420    
1421    * LSCP server:    * LSCP server:
1422      - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to      - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
# Line 204  Version CVS HEAD (?) Line 1471  Version CVS HEAD (?)
1471        plugin was unloaded        plugin was unloaded
1472      - bugfix: two private structs had the same name, which could cause      - bugfix: two private structs had the same name, which could cause
1473        problems if the linker chose the wrong constructor        problems if the linker chose the wrong constructor
1474        - fixed low-level ConditionServer usage bug that caused lockups on
1475          Windows
1476    
1477    
1478  Version 0.5.1 (6 December 2007)  Version 0.5.1 (6 December 2007)

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