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Revision 3790 - (show annotations) (download)
Sun Jun 14 14:29:41 2020 UTC (3 years, 9 months ago) by schoenebeck
File size: 100414 byte(s)
NKSP: Relaxed array variable declaration.

* NKSP: Just throw a warning, not an error if an array variable of
  size zero was declared.

* NKSP: Allow omitting explicit array size on array variable declaration
  if combined with immediate value assignment
  (e.g. declare %foo[] := ( 1, 2, 3 ) ).

* Bumped version (2.1.1.svn59).

1 Version SVN trunk (?)
2
3 * general changes:
4 - Fixed compiler error in Pool.h.
5 - Require C++14 compiler support.
6 - Autoconf: Added m4/ax_cxx_compile_stdcxx.m4 macro which is used
7 for checking in configure for C++14 support (as mandatory
8 requirement) and automatically adds compiler argument if required
9 (e.g. -std=C++14).
10 - RTMath: Implemented floating point comparison methods
11 fEqual32(float,float) and fEqual64(double,double) which take the
12 expected floating point tolerances into account.
13 - Added public API C++ class "LFO", which is a cluster class encapsulating
14 all the sampler's LFO implementations to be used by 3rd party applications
15 (e.g. by Gigedit).
16 - Added int math square LFO implementation.
17 - Added int math saw LFO implementation.
18 - Added numeric complex nr sine LFO implementation.
19 - Marked class LFOTriangleDiHarmonic as deprecated
20 (will be removed in future).
21 - Added LFOAll.h which includes all LFO implementation's header files.
22 - Refactored LFO class names and their file names (PulseLFO -> LFOPulse,
23 LFOSawIntMath -> LFOSawIntMathNew, SawLFO -> LFOSawIntMathOld,
24 SineLFO -> LFOSineBuiltinFn, LFOSine -> LFOSineNumericComplexNr,
25 SquareLFO -> LFOSquarePulse and separated the latter to its own header
26 file).
27 - Renamed type LFOSigned -> LFOTriangleSigned.
28 - Renamed type LFOUnsigned -> LFOTriangleUnsigned.
29 - Using now cubic interpolation as resampling algorithm by default; and
30 linear interpolation is deprecated now.
31 - Event:Init(): memset() entire Event::Param union to zero instead of trying
32 to do that for its individual members; the latter became error prone due
33 to the union's growing complexity meanwhile.
34 - EngineChannel: Overhaul of RPN/NRPN related methods: Added new
35 *Rpn*Parameter*() methods as replacement for previous *Rpn*Controller*()
36 methods and marked the old ones as deprecated; and likewise added new
37 *Nrpn*Parameter*() methods as replacement for previous *Nrpn*Controller*()
38 methods and marked those old ones deprecated as well.
39 - Added support for MIDI CC #38 (data entry LSB): this allows higher value
40 resolution for certain (e.g. hard coded) RPN and NRPN parameters.
41 - Implemented support for compressed RPN/NRPN message sequences (that is to
42 allow processing MIDI data entry messages without always having to be
43 preceded strictly by RPN/NRPN parameter selection messages on each value
44 change).
45 - Added support for MIDI CC #96 (data increment) and MIDI CC #97 (data
46 decrement).
47 - Added support for 'null function RPN/NRPN' (which is RPN/NRPN parameter
48 MSB=127 and LSB=127) and which is disabling subsequent data
49 entry/increment/decrement CC messages.
50 - Fixed crash when editing key groups (a.k.a. exclusive groups) with an
51 instrument editor.
52 - Fixed playing noise at the end of a disk stream under certain conditions.
53 - Fixed potential crash with high pitch at end of RAM playback.
54 - Added configure checks whether C++ compiler supports so called
55 'designated initializers'.
56 - Added global backtraceAsString() function for debugging purposes
57 (POSIX systems only, no Windows implementation yet).
58 - Thread class: Added new methods pushCancelable(), popCancelable(), name(),
59 nameOfCaller() and setNameOfCaller().
60 - configure: Always check for availability of pthread_testcancel() and use
61 it if so (previously it was only used if explicitly enabled by configure
62 option).
63 - Thread class: raise compiler warning if pthread_testcancel() is not
64 available, because it can lead to deadlocks.
65 - Mutex class: Implemented optional bug detection and deadlock debugging
66 features.
67 - Ref<> class is now thread safe (as lock-free and wait-free
68 implementation).
69 - Fixed compilation error with Bison >= 3.6.0.
70
71 * Real-time instrument scripts:
72 - Added method ScriptVM::setExitResultEnabled() which allows to
73 explicitly enable the built-in exit() function to optionally accept
74 one function argument; the value of the passed exit() function
75 argument will then become available by calling
76 VMExecContext::exitResult() after script execution.
77 - 64 bit support for NKSP integer scripts variables (declare $foo).
78 - Variable names, function names and preprocessor condition names must start
79 with a regular character (a-z or A-Z); starting them with a digit or
80 underscore is not allowed.
81 - NKSP parser fix: equal comparison operator "=" and not equal comparison
82 operator "#" must only accept integer operands.
83 - NKSP language: Implemented support for standard units like Hertz, seconds,
84 Bel including support for metric unit prefixes; so one can now e.g.
85 conveniently use numbers in scripts like "5us" meaning "5 microseconds",
86 or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
87 "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
88 - NKSP language: Introduced "final" operator "!" which is specifically
89 intended for synthesis parameter values to denote that the synthesis
90 parameter value is intended to be the "final" value for that synthesis
91 parameter that should explicitly be used by the engine and thus causing
92 the sampler engine to ignore all other modulation sources for the same
93 synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
94 variable or formula with this new "!" operator the expression is marked as
95 being "final".
96 - NKSP script editor API: Added support for detecting standard unit tokens
97 and their potential metric prefix token.
98 - NKSP language: Added support for NKSP real number literals and
99 arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
100 - NKSP language: Added support for NKSP real number (floating point) script
101 variables (declare ~foo).
102 - NKSP language: Added support for NKSP real number (floating point) array
103 script variables (declare ?foo[]).
104 - Built-in script function "message()" accepts now real number argument as
105 well.
106 - Added built-in script function "real_to_int()" and its short hand form
107 "int()" for casting from real number to integer in NKSP scripts.
108 - Added built-in script function "int_to_real()" and its short hand form
109 "real()" for casting from integer to real number in NKSP scripts.
110 - Allow built-in exit() function to potentially accept real number type
111 argument as well.
112 - Built-in script functions may have a different return type depending on
113 the arguments passed to the function.
114 - Built-in script function "abs()" optionally accepts and returns real
115 number.
116 - Built-in script functions "min()" and "max()" optionally accept real
117 number arguments and return real number as result in that case.
118 - NKSP VM API: Allow units and 'final'ness to be returned as result from
119 built-in functions (added methods VMFunction::returnUnitType() and
120 VMFunction::returnsFinal() for that purpose which must be implemented by
121 built-in function implementations).
122 - NKSP language: Allow metric unit prefixes of numeric scalar and array
123 variables to be changed freely at runtime (unlike unit types like Hz etc.
124 which are still sticky, parse-time features of variables which cannot be
125 changed at runtime for the intentional sake of determinism).
126 - NKSP language: 'final' values are prohibited for array variables for now
127 (attempt causes a parsers error).
128 - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
129 conditions of runtime control structures like if(), while(), select()
130 (attempt causes a parser error).
131 - NKSP VM API: Allow built-in functions to perform their own, individual
132 parse time checks of arguments going to be passed to the function at
133 runtime (added method VMFunction::checkArgs() for that purpose).
134 - NKSP language: raise parser warning if only one operand of binary
135 operators (like logical 'or' comparison) contain a 'final' value (because
136 it would always yield in a 'final' result in such cases).
137 - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
138 different metric unit prefixes, which will behave as expected (e.g.
139 result of expression '1000us < 2ms' is true).
140 - NKSP language: Allow adding values with different metric unit prefixes
141 (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
142 - NKSP language: Allow subtracting values with different metric unit
143 prefixes (e.g. result of expression '1ms - 20us' is '980us').
144 - NKSP language: Allow multiplying with any metric unit prefixes
145 (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
146 with unit types on both sides (e.g. '2s * 2s') is still prohibited since
147 we don't have any considerable practical use for a term like '4s^2'
148 (hence any attempt multiplying two unit types still causes parser error).
149 - NKSP language: Allow dividing by any metric unit prefixes and allow
150 division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
151 yields in unit free result '8'). So this is now a way to cast units away
152 e.g. for passing the result to other expressions, certain function calls
153 or variables which are not accepting any units (or that specific unit).
154 - NKSP language: integer arrays and real number arrays can now be converted
155 to strings (e.g. for dumping their content with message() calls for
156 script debugging purposes).
157 - NKSP language: expressions and variables with units are now correctly
158 casted to strings (e.g. with message() calls).
159 - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
160 unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
161 floating point tolerances into account.
162 - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
163 VMScalarNumberExpr::evalCastReal().
164 - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
165 'VMIntArrayExpr' and 'VMRealArrayExpr'.
166 - NKSP VM API: replaced all unitPrefix() (parse time) methods by
167 unitFactor() (runtime) methods.
168 - Built-in function "exit()" supports now returning units and 'final'ness
169 for test cases.
170 - The following built-in functions support now units as well: "abs()",
171 "random()", "inc()", "dec()", "in_range()", "min()", "max()",
172 "real_to_int()", "int()", "int_to_real()" and "real()".
173 - Built-in functions "array_equal()", "search()" and "sort()" support now
174 real number arrays (correctly) as well.
175 - Added individual parse time checks of arguments to be passed to built-in
176 functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
177 "array_equal()" and "search()" specific for their individual purposes.
178 - NKSP VM refactoring: Renamed all methods, functions and classes matching
179 pattern *ScalarNumber* to simply *Number* (that is i.e. classes
180 VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
181 ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
182 NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
183 method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
184 isScalarNumber() -> isNumber()).
185 - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
186 evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
187 evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
188 as convenient methods for automatically converting values to expected
189 metric value basis.
190 - Built-in function "wait()" accepts now both integers and real numbers as
191 argument.
192 - NKSP VM API cleanup: Get rid of legacy method
193 VMFunction::argType(vmint iArg) which was already superseded by its new
194 replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
195 - NKSP parser: if wrong argument type was passed to a built-in function and
196 that built-in function accepts more than one data type for the argument,
197 then show all supported data types as parser error message.
198 - Built-in function "play_note()" accepts now real numbers and seconds as
199 unit type as well for its 3rd and 4th function arguments.
200 - The following built-in functions accept now real numbers as well for their
201 2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
202 "change_attack()", "change_decay()", "change_release()",
203 "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
204 "change_cutoff_sustain()", "change_cutoff_release()",
205 "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
206 "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
207 "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
208 - Fixed built-in function "change_play_pos()" not having accepted metric
209 prefixes at all.
210 - Fixed the following built-in functions having misinterpreted values given
211 with unit type (for their 2nd argument) as if they were relative values
212 (that is as if they were passed without a unit type): "change_attack()",
213 "change_decay()", "change_release()", "change_cutoff_attack()",
214 "change_cutoff_decay()", "change_cutoff_release()".
215 - Fixed the following built-in functions having applied completely wrong
216 'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
217 respective EGs being their modulation sink assume uint data type with
218 value range 0..1000 instead of 0.0..1.0.
219 - Added individual parse-time checks of function arguments for the following
220 built-in functions: "play_note()", "note_off()", "set_event_mark()",
221 "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
222 "change_decay()", "change_release()", "change_cutoff_attack()",
223 "change_cutoff_decay()", "change_cutoff_release()",
224 "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
225 "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
226 "change_pan_time()".
227 - Don't abort function call if unit type was used and at the same time
228 'final' operator was omitted for the primary value argument of the
229 following built-in functions: "change_cutoff()", "change_attack()",
230 "change_decay()", "change_release()", "change_cutoff_attack()",
231 "change_cutoff_decay()", "change_cutoff_release()",
232 "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
233 "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
234 "change_pan_time()", instead imply 'final'ness at runtime and raise an
235 appropriate parser warning at parse time.
236 - Added built-in real number functions "round()", "ceil()", "floor()",
237 "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
238 "cos()", "tan()", "asin()", "acos()", "atan()".
239 - Added built-in script real number constant "~NI_MATH_PI".
240 - Added built-in script real number constant "~NI_MATH_E".
241 - NKSP language: Allow unary '+' operator.
242 - Added built-in script functions "msb()" and "lsb()".
243 - NKSP language: Added support for RPN event handler
244 ("on rpn ... end on" in instrument scripts).
245 - NKSP language: Added support for NRPN event handler
246 ("on nrpn ... end on" in instrument scripts).
247 - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
248 may be read from the new RPN/NRPN script handlers to get the (N)RPN
249 parameter that had been changed and its new value.
250 - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
251 which are identifying the new (N)RPN handlers as such at script runtime.
252 - Implemented built-in script function "set_rpn()".
253 - Implemented built-in script function "set_nrpn()".
254 - Fix: built-in functions returning an array type were broken and caused a
255 crash when the built-in function's (supposed to be array) result value was
256 used by the script VM.
257 - Removed upper value constraint for 2nd argument of built-in functions
258 "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
259 "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
260 "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
261 "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
262 the LFO frequency / resonance / cutoff frequency.
263 - Reduced code involved for parsing NKSP variable declarations by using 2
264 generalized grammar rules with optional components (i.e. optional value
265 assignment and optional variable qualifiers) instead of previous linear
266 combinations of grammar rules, which also fixes some edge case.
267 - NKSP language parser: track code block locations also by a) raw byte
268 position in NKSP source code string and b) length of that code block in
269 bytes (along to the already existing code block tracking by line/column);
270 and added appropriate new members to public C++ API classes like
271 'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
272 - NKSP language: Added support for 'patch' variable qualifier (capture their
273 locations and allow replacement of their assignment expression via VM C++
274 API).
275 - Fixed incorrect EG times if standard measuring unit was passed to built-in
276 functions "change_attack()", "change_decay()" or "change_release()".
277 - Fixed intermediate function result values never having reflected any
278 standard measuring unit type.
279 - Fixed re-entrant issue with function calls which caused wrong result
280 values if the same function was called multiple times in a term
281 (specifically if metric prefixes were used).
282 - NKSP language: Just throw a warning, not an error if an array variable of
283 size zero was declared.
284 - NKSP language: Allow omitting explicit array size on array variable
285 declaration if combined with immediate value assignment
286 (e.g. declare %foo[] := ( 1, 2, 3 ) ).
287
288 * test cases:
289 - Fixed compiler errors in test cases.
290 - Updated README for how to compile & run test cases.
291 - Updated test case
292 MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
293 expected behaviour of the Mutex class implementation (recursive
294 mutex type).
295 - Added test cases for NKSP core language aspects and core built-in
296 functions.
297 - Fixed thread tests segfaulting on Linux.
298 - NKSP: Added real number test cases for built-in functions exit(),
299 int_to_real(), real(), real_to_int() and int(), as well as for the
300 plus, minus and negate language operators.
301 - Added massive amount of NKSP test cases for standard measuring units and
302 'final' operator usage cases.
303 - Added NKSP test cases for (floating point tolerance aware) real number
304 equalness / unequalness comparison.
305 - Added NKSP int array and real array tests for value assignment and
306 initialization of arrays.
307 - Added NKSP test cases for built-in functions "round()", "ceil()",
308 "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
309 "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
310 - Added NKSP test cases for unary '+' operator.
311 - Added NKSP test cases for core built-in variables.
312 - Added thorough NKSP test cases for variable declarations.
313
314 * GigaStudio/Gigasampler format engine:
315 - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
316 behaviour for start_level_mid.
317 - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
318 level (see discussion "GigaStudio LFO compatibility" on mailing list
319 from 2019-09-26 for details).
320 - Changed default wave form for all 3 LFOs to sine (instead of triangle;
321 see discussion "GigaStudio LFO compatibility" on mailing list from
322 2019-09-26 for details).
323 - Format extension: Added support for different LFO wave forms (currently
324 either sine [default], triangle, saw or square).
325 - Format extension: Added support for LFO phase displacement (0��..360��).
326 - Format extension: Added support for flipping LFO polarity on LFO 3
327 (in the original gig format this was only available for LFO 1 and LFO 2).
328 - Format extension: Support for additional filter types:
329 lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
330 bandreject 2-pole.
331 - Fixd potential crash with polynomial interpolator and max. pitch.
332 - If minimum cutoff is defined, remap cutoff controller CC values to really
333 span the entire possible cutoff range (and avoiding a dead controller
334 zone).
335 - Implemented support for loading instrument scripts with 'patch' variables
336 (by patching these script variables with potentially overridden ones by
337 gig Instrument).
338
339 * SFZ format engine:
340 - Fixed support for regions with loccN/hiccN conditions on more than one
341 MIDI controller.
342
343 * Benchmarks:
344 - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
345 algorithm (since result of 2nd run was not accumulated).
346 - Added benchmark for saw wave (benchmarks/saw.cpp).
347 - Added benchmark for sine wave (benchmarks/sine.cpp).
348 - Added benchmark for square wave (benchmarks/square.cpp).
349 - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
350 which are large enough on modern systems.
351
352 Version 2.1.1 (27 Jul 2019)
353
354 * Real-time instrument scripts:
355 - Fixed behavior of built-in NKSP functions change_sustain(),
356 change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
357 and change_cutoff_release().
358
359 * general changes:
360 - Only play release trigger samples on sustain pedal up if this behaviour
361 was explicitly requested by the instrument (otherwise only on note-off).
362 - Fixed compiler warnings.
363 - Fixed compilation error when cross-compiling to Mac.
364 - FX Sends: Provide more useful error messages on routing problems
365 (see bug #169).
366 - LSCP doc: Be more clear describing the two distinct approaches
367 of using external vs. internal effects (see bug #169).
368 - "optional" class: Fixed comparison operators.
369
370 * Gigasampler/GigaStudio format engine:
371 - Format extension: If requested by instrument then don't play release
372 trigger sample on note-off events.
373
374 * SFZ format engine:
375 - Fixed memory leak when releasing samples
376 (fixes bug #307, patch by Jacek Roszkowski)
377 - Fixed potential crash when a sample is shared by more than one region
378 (fixes bug #308, patch by Jacek Roszkowski).
379 - Opcode 'sample': Added support for built-in sample '*silence'
380 (fixes bug #310, patch by Jacek Roszkowski).
381
382 Version 2.1.0 (25 Nov 2017)
383
384 * SFZ format engine:
385 - added support for <global>, <master> and #define (patch by Alby M)
386 - Removed code duplication in SFZ file loading code.
387 - Added support for sfz extension opcode 'script' which may be used to
388 load real-time instrument script file (NKSP script language).
389 - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
390 - Fixed unintended volume fade-in of voices under certain conditions.
391 - sfz parser: allow missing space between header and opcode
392
393 * Gigasampler/GigaStudio format engine:
394 - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
395 cutoff settings.
396 - Got rid of resembling an ancient GSt misbehavior which did not pitch at
397 all if an up-pitch of more than 40 semi tones was requested (I don't
398 think there is any stock gig sound that requires this behavior to
399 resemble its original sound).
400 - Added support for controlling whether the individual EGADSR stages may
401 be aborted (as LinuxSampler extension to the original GigaStudio 4
402 format).
403
404 * general changes:
405 - fixed printf type errors (mostly in debug messages)
406 - use unique_ptr instead of auto_ptr when building with C++11
407 - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
408 allowing to sort data efficiently in real-time safe manner.
409 - RTList class: added methods for moving/inserting elements to arbitrary
410 position within a list.
411 - RTList class: added method fromPtr() for creating an Iterator object from
412 a raw element pointer.
413 - Attempt to partly fix resetting engine channels vs. resetting engine, an
414 overall cleanup of the Reset*(), ConnectAudioDevice(),
415 DisconnectAudioDevice() API methods would still be desirable though,
416 because the current situation is still inconsistent and error prone.
417 - Active voices are now internally grouped to "Note" objects, instead of
418 being directly assigned to a keyboard key. This allows more fine graded
419 processing of voices, which is i.e. required for certain instrument
420 script features.
421 - Fix: Release trigger voices were not spawned on sustain pedal up
422 (CC #64) events.
423 - Fix: Release trigger voices can now also distinguish correctly between
424 note-off and sustain pedal up events.
425 - All engines: Increased ramp speed of volume smoother and pan smoother
426 (while slow rate of crossfade smoother is preserved) to allow quick
427 volume and pan changes by instrument scripts for instance.
428 - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
429 properly and thus were ignored for certain uses.
430 - Added new C++ API method
431 VirtualMidiDevice::SendChannelPressureToSampler().
432 - windows, 32-bit: fixed potential crashes by making sure the stack in
433 sub threads is 16-byte aligned
434 - fixed numerous compiler warnings
435 - Fixed invalid (note-on) event ID being assigned to new Note objects.
436 - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
437 fixes potential undefined behavior.
438 - Fixed Note object leak when triggering notes on keys which did not
439 have a valid sample mapped (fixes bug #252).
440 - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
441 - linuxsampler binary fix: option --create-instruments-db ignored
442 subsequent optional argument due to glibc's implementation oddity
443 which expects a "=" sign, but no space between them.
444
445 * packaging changes:
446 - removed unnecessary dependency to libuuid
447 (originated by libgig's usage of it)
448 - Automake: set environment variable GCC_COLORS=auto to allow GCC to
449 auto detect whether it (sh/c)ould output its messages in color.
450 - Debian: Fixed packaging error about invalid "Source-Version"
451 substitution variable.
452 - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
453 - Debian: Added build dependency to libsqlite3-dev for building
454 linuxsampler with instruments DB support.
455
456 * Real-time instrument scripts:
457 - Implemented scheduler for delayed MIDI events and for suspended scripts.
458 - Built-in script function "wait()": implemented support for function's
459 "duration-us" argument, thus scripts using this function are now
460 correctly resumed after the requested amount of microseconds.
461 - Built-in script function "play_note()": implemented support for
462 function's "duration-us" argument, thus notes triggered with this
463 argument are now correctly released after the requested amount of
464 microseconds.
465 - Fix: script events were not cleared when engine channel was reset,
466 potentially causing undefined behavior.
467 - Fixed crash which happened when trying to reference an undeclared
468 variable.
469 - Built-in script function "play_note()": Added support for passing
470 special value -1 for "duration-us" argument, which will cause the
471 triggered note to be released once the original note was released.
472 - Instrument script classes now exported with the liblinuxsampler C++ API.
473 - Added new API method ScriptVM::syntaxHighlighting() which provides
474 a convenient syntax highlighting backend for external instrument
475 script editor applications.
476 - Added new C++ API class "ScriptVMFactory".
477 - Extended parser issues to provide not only first line and first
478 column, but also last line and last column of issue (thus marking
479 the precise span of the issue within the source code).
480 - Reload script automatically after being modified by an instrument
481 editor.
482 - NKSP language grammar correction: allow empty event handler bodies
483 like "on note end on".
484 - Implemented built-in script function "change_vol()".
485 - Implemented built-in script function "change_tune()".
486 - Implemented built-in script function "change_pan()".
487 - Implemented built-in script function "change_cutoff()".
488 - Implemented built-in script function "change_reso()".
489 - Implemented built-in script function "event_status()".
490 - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
491 "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
492 "event_status()" function.
493 - NKSP language: Added support for bitwise operators ".or.", ".and."
494 and ".not.".
495 - NKSP language scanner: Fixed IDs matching to require at least one
496 character (i.e. when matching function names or variable names).
497 - NKSP language scanner: disabled unusued rules.
498 - Fixed behavior of play_note() and note_off() functions which must
499 be distinguished engine internally from "real" MIDI note on/off
500 events in order to avoid misbehaviors like hanging notes.
501 - Implemented built-in script variable "$KSP_TIMER".
502 - Implemented built-in script variable "$NKSP_REAL_TIMER".
503 - Implemented built-in script variable "$NKSP_PERF_TIMER".
504 - Implemented built-in script variable "$ENGINE_UPTIME".
505 - Implemented built-in script function "inc()".
506 - Implemented built-in script function "dec()".
507 - NKSP language fix: division expressions were evaluated too often.
508 - NKSP language fix: string concatenation operator was right
509 associative instead of left (to right).
510 - NKSP language correction: allow empty statements in entire language
511 (i.e. "if end if").
512 - Implemented built-in script function "stop_wait()".
513 - Implemented built-in script variable "$NI_CALLBACK_ID".
514 - Implemented built-in script variable "$NI_CALLBACK_TYPE".
515 - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
516 - Added support for read-only built-in variables (respectively
517 handled by the script parser).
518 - Added built-in script constant "$NI_CB_TYPE_INIT".
519 - Added built-in script constant "$NI_CB_TYPE_NOTE".
520 - Added built-in script constant "$NI_CB_TYPE_RELEASE".
521 - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
522 - NKSP Language: Added support for user defined script functions.
523 - Implemented built-in script function "change_attack()".
524 - Implemented built-in script function "change_decay()".
525 - Implemented built-in script function "change_release()".
526 - Fixed all change_*() built-in script functions to apply their
527 synthesis parameter changes immediately in case the respective note
528 was triggered at the same time, instead of scheduling the parameter
529 change, especially because it would cause some parameter types's
530 changes either to be ramped (i.e. change_vol()) or other types even
531 to have not effect at all (i.e. change_attack()).
532 - Implemented built-in script function "sh_left()".
533 - Implemented built-in script function "sh_right()".
534 - Implemented built-in script function "min()".
535 - Implemented built-in script function "max()".
536 - NKSP Fix: "init" event handler was not always executed when a script
537 was loaded.
538 - NKSP built-in wait() script function: abort script execution if
539 a negative or zero wait time was passed as argument (since this is
540 a common indication of a bug either of the script or even of the
541 engine, which could lead to RT instability or even worse).
542 - ScriptVM: Implemented automatic suspension of RT safety
543 threatening scripts.
544 - Provide more user friendly error messages on syntax errors.
545 - Fixed NKSP parser warning "Not a statement" when assigning an
546 initializer list to an array variable.
547 - Implemented built-in script array variable "%ALL_EVENTS".
548 - Implemented built-in script function "in_range()".
549 - Implemented built-in script function "change_amp_lfo_depth()".
550 - Implemented built-in script function "change_amp_lfo_freq()".
551 - Implemented built-in script function "change_pitch_lfo_depth()".
552 - Implemented built-in script function "change_pitch_lfo_freq()".
553 - Implemented built-in script function "change_vol_time()".
554 - Implemented built-in script function "change_tune_time()".
555 - Implemented built-in script function "fade_in()".
556 - Implemented built-in script function "fade_out()".
557 - Fixed acceptance of wrong data type of parameters passed to built-in
558 script functions "change_vol()", "change_tune()", "change_pan()",
559 "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
560 "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
561 "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
562 - Added built-in script function "get_event_par()" and implemented some
563 of its possible parameter selections.
564 - Added built-in script function "set_event_par()" and implemented some
565 of its possible parameter selections.
566 - Fixed a bunch of scheduler time related bugs.
567 - Fixed polyphonic variables not being reset to zero after usage.
568 - Built-in "ignore_event()" function: argument is now optional, like with
569 built-in function "ignore_controller()".
570 - Implemented built-in script function "change_velo()".
571 - Implemented built-in script function "change_note()".
572 - Adjusted behavior of "change_vol()" and "change_tune()" to a more
573 intuitive behavior if used in combination with "change_vol_time()" or
574 "change_tune_time()" respectively: now tuning/volume changes are only
575 assigned (without delay) immediately to a new note if the respective
576 timing function has not been called before, otherwise the volume/tuning
577 changes are automatically faded (before, only the event's time stamp was
578 relevant).
579 - Implemented built-in script function "array_equal()".
580 - Implemented built-in script function "search()".
581 - Implemented built-in script function "sort()".
582 - NKSP Fix: Never suspend "init" event handlers.
583 - Implemented built-in script function "same_region()" (currently only
584 available for gig format engine).
585 - Added built-in script constant "$NKSP_LINEAR".
586 - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
587 - Implemented built-in script function "change_vol_curve()".
588 - Implemented built-in script function "change_tune_curve()".
589 - built-in "play_note()" function now supports a sample playback start
590 offset with argument 3, where special value -1 means to use the regular
591 sample offset as defined by the instrument file.
592 - Built-in array variable %KEY_DOWN[] is now a read-only variable.
593 - Built-in variable $EVENT_NOTE is now a read-only variable.
594 - Built-in variable $EVENT_VELOCITY is now a read-only variable.
595 - built-in "play_note()" function now accepts -2 for its fourth argument
596 (note duration) which means the life time of the note shall be sticked
597 to the requested note number of argument 1.
598 - Fix: built-in "play_note()" function now returns 0 as result value if
599 -1 was passed for its fourth argument (note duration) and the respective
600 parent note is already gone.
601 - Implemented built-in script function "change_play_pos()".
602 - NKSP language: Added support for user declared const array variables.
603 - NKSP language: Raise parser warning if array variable is accessed with
604 an index that exceeds the array's size.
605 - NKSP language fix: Unknown characters were not handled correctly.
606 - NKSP language: Added support for "synchronized .. end synchronized"
607 code blocks.
608 - Implemented built-in script function "abort()" which allows to abort
609 another script handler by passing its callback ID.
610 - Fixed potential memory access bug and potential undefined behavior of
611 "init" event handlers.
612 - Print a time stamp along to each call of built-in function "message()".
613 - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
614 to retrieve all code blocks filtered out by the preprocessor.
615 - Added built-in script function "fork()".
616 - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
617 - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
618 - Fixed potential crash when accessing dynamic built-in array variables.
619 - Added built-in script function "callback_status()".
620 - Added built-in constant $CALLBACK_STATUS_TERMINATED.
621 - Added built-in constant $CALLBACK_STATUS_QUEUE.
622 - Added built-in constant $CALLBACK_STATUS_RUNNING.
623 - Removed max. value limitation of built-in functions "change_attack()",
624 "change_decay()" and "change_release()" to i.e. allow passing 2000000
625 for doubling the respective time.
626 - NKSP script editor syntax highlighting API: Fixed app termination due
627 to a lexer start condition stack underrun.
628 - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
629 USE_CODE_IF_NOT() preprocessor statements.
630 - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
631 can be set to disable all subsequent built-in "message()" function calls
632 on preprocessor level.
633 - Implemented built-in script function "change_sustain()".
634 - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
635 to avoid the editor app to crash on ill-formed text input.
636 - Added built-in script function "change_pan_time()".
637 - Added built-in script function "change_pan_curve()".
638 - Added built-in script function "change_cutoff_attack()".
639 - Added built-in script function "change_cutoff_decay()".
640 - Added built-in script function "change_cutoff_sustain()".
641 - Added built-in script function "change_cutoff_release()".
642 - Added built-in script function "change_cutoff_lfo_depth()".
643 - Added built-in script function "change_cutoff_lfo_freq()".
644
645 * Instruments DB:
646 - Fixed memory access bug of general DB access code which lead to
647 undefined behavior.
648 - Cleanup of instruments DB file creation and opening code.
649 - The instrument DB path of linuxsampler's --create-instruments-db argument
650 is now optional, if it is missing, then a default location is used.
651 - Added support for scanning SFZ (.sfz) files.
652 - Added support for scanning Sound Font (.sf2) files.
653 - Fixed undefined DB transaction behavior.
654
655 Version 2.0.0 (15 July 2015)
656
657 * packaging changes:
658 - fixed building with newer MinGW-w64
659 - Mac OS X: support the new dir for Core Audio SDK
660 - Mac OS X: fixed building outside source directory
661 - made sure all source files for hostplugins are included when
662 doing "make dist"
663 - removed empty directories left from the cvs to svn migration
664 - fixed compilation with gcc 4.6.1
665 - another "make dist" fix, for the LV2 plugin
666 - made --enable-pthread-testcancel default on Mac OS X
667 - minor Makefile fix for building lscpparser when build and source
668 directories are separate
669 - Mac OS X: made it possible to specify plugin installation dir to
670 configure
671 - Mac OS X: Makefile fix for the install-strip target
672 - fixed compilation with gcc 4.7
673 - fixed configure script error with old autoconf versions
674 - lsatomic.h: use gcc provided atomic functions if building with
675 gcc 4.7 and C++11
676 - modernized configure script
677 - fixed linkage error when building with
678 LDFLAGS="-Wl,--no-undefined" (#190)
679 - fixed compilation with Clang 3.2
680 - removed usage of deprecated Automake variable INCLUDES
681 - fixed building with C++11
682 - build fix: ChangeFlagRelaxed.h was missing in makefile
683 - build fix: libsndfile compiler flags were missing in some
684 makefiles
685 - fix for building with bison 3.0 (#202)
686 - Mac OS X: added temporary hack allowing to spawn gigedit as callback
687 on the process's main thread
688 - fixed build error on newer MinGW
689 - support building with older jack versions
690 - support building with spaces in vst sdk path
691 - enabled automake 'subdir-objects' option and moved external
692 source references (vst, au, asio) from makefiles to cpp files,
693 in order to get rid of warnings from automake 1.14
694
695 * general changes:
696 - Refactoring: moved the independent code from
697 the Gigasampler format engine to base classes
698 - command line option '--profile' is currently disabled, since the
699 respective profiling code is currently broken
700 - Introduced support for optional environment variable
701 "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
702 where the sampler shall look for instrument editor plugins
703 (patch by Luis Garrido, slightly modified).
704 - implemented Roland GS NRPN 1ArrH which allows to set volume per note
705 - implemented Roland GS NRPN 1CrrH which allows to set pan per note
706 - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
707 note (in this implementation of the sampler its simply hard routed to
708 the 1st effect send of the sampler channel, no matter what the actual
709 effect type is)
710 - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
711 note (in this implementation of the sampler its simply hard routed to
712 the 2nd effect send of the sampler channel, no matter what the actual
713 effect type is)
714 - implemented support for internal LADSPA effects
715 - raised limit of program change queue from 100 to 512
716 (as suggested by Alex Stone)
717 - implemented sine LFO, pulse LFO and saw LFO
718 - experimental support for per voice equalization
719 - added command line option --exec-after-init
720 - Introduced new C++ API method:
721 EngineChannel::InstrumentFileName(int index)
722 allowing to retrieve the whole list of files used for the loaded
723 instrument on an engine channel (a.k.a. part). Some GigaStudio
724 instruments for example are splitted over several files like
725 "Foo.gig", "Foo.gx01", "Foo.gx02", ...
726 - Added new C++ API method Sampler::GetGlobalMaxVoices().
727 - Added new C++ API method Sampler::GetGlobalMaxStreams().
728 - Added new C++ API method Sampler::SetGlobalMaxVoices().
729 - Added new C++ API method Sampler::SetGlobalMaxStreams().
730 - Various "const" and "restrict" optimizations.
731 - all engines: add pan CC value to instrument pan parameter before
732 applying panning, instead of using two separate pan functions in
733 series (#182)
734 - added a lock guard class for exception safe mutex handling and
735 used it everywhere appropriate
736 - Immediately apply scale tuning changes to active voices.
737 - Exposed scale tuning to C++ API (along to the already existing standard
738 SysEx way).
739 - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
740 and broken for ppc64. (Seq_cst loads and stores are actually not
741 used in LS, so the bug wasn't noticable.)
742 - lsatomic.h: added ARMv7 support
743 - Added support for multiple MIDI input ports per sampler channel (and
744 added various new C++ methods for this new feature / design change, old
745 C++ API methods for managing SamplerChannel's MIDI inputs are now marked
746 as deprecated but are still there and should provide full behavior
747 backward compatibility).
748 - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
749 unsafe and caused compilation error with clang 2.x).
750 - Bugfix: only process the latest MIDI program change event.
751 - Introducing the LSCP shell, which provides convenient control of the
752 sampler from the command line by providing LSCP aware features.
753 - VirtualMidiDevice: Added support for program change.
754 - VirtualMidiDevice: Added support for bank select (MSB & LSB).
755 - VirtualMidiDevice: Added support for pitch bend.
756 - Aftertouch: extended API to explicitly handle channel pressure and
757 polyphonic key pressure events (so far polyphonic pressure was not
758 supported at all, and channel pressure was rerouted as CC128 but not
759 used so far).
760 - Added initial support for real-time instrument scripts. The script VM
761 code is shared by all sampler engine implemementations, however only the
762 gig file format currently provides support for storing instrument scripts
763 (as LinuxSampler extension to the original GigaStudio 4 format).
764
765 * Gigasampler format engine:
766 - implemented the "round robin keyboard" dimension
767 - fixed round robin and random dimensions for cases when number of
768 dimension zones is not a power of two
769 - made round robin use a counter for each region instead of each
770 key
771 - bugfix: pitch LFO controller "internal+aftertouch" was broken
772 - bugfix: filter keyboard tracking was broken
773 - filter performance fix (an unnecessary copy was made of the
774 filter parameters in each sub fragment)
775 - handle special case when pan parameter in gig file has max or
776 min value
777 - Exclusive Groups: don't ever stop voices of the same note,
778 doesn't sound naturally with a drumkit
779 - fixed EG1 modulation when attack or release is zero
780 - Fixed support for 'aftertouch' attenuation controller.
781 - Fixed crash that happened with velocity split sounds under certain
782 conditions (see also previous commit on libgig).
783 - fixed behaviour of filter LFO
784
785 * SFZ format engine:
786 - Initial implementation (not usable yet)
787 - added support for v2 multiple stage envelope generators
788 - added a fine-tuned v1 envelope generator instead of using the
789 one from the gig engine
790 - fixed memory leak and memory handling errors
791 - added support for trigger=first, trigger=legato and sw_previous
792 - allow non-numerical key values ("C#4" for example)
793 - "key" opcode now sets pitch_keycenter too
794 - fixed error when unloading instrument with same sample used by
795 multiple regions
796 - added some opcode aliases, like loopmode for loop_mode, to be
797 more compatible
798 - added support for trigger=release and rt_decay
799 - added support for off_mode=normal
800 - added support for random, seq_position, seq_length and volume
801 - added v1 LFO opcodes to parser (no support in engine yet)
802 - added support for amp_veltrack and amp_velcurve_N
803 - fine-tuned the default velocity curve
804 - added support for transpose
805 - fixed crash when using sw_down/up
806 - improved logic for sw_lokey/hikey/up/down/last
807 - added more v1 aliases to parser
808 - reduced memory usage for sfz data
809 - RT-safeness: avoid malloc in audio thread
810 - fixed a bug that could cause voice stealing to fail
811 - optimized sample lookup
812 - improved support for exclusive groups (group, off_by and
813 off_mode)
814 - added support for controller triggered regions (on_locc/on_hicc)
815 - added support for loop_mode=one_shot
816 - fixed playback of 16 bit wav files on big endian CPUs
817 - added support for Ogg Vorbis sample files
818 - use loop markers from sample file if loop_start and loop_end are
819 not set in sfz file
820 - implemeted filters. Filter types: lowpass, bandpass, bandreject
821 and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
822 cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
823 cutoff_cc, cutoff_chanaft.
824 - bugfix: zero ampeg_sustain didn't work
825 - added support for velocity effect on amplifier envelope time
826 (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
827 ampeg_vel2release)
828 - added support for EG hold (ampeg_hold)
829 - added support for sample offset (offset)
830 - use the newly introduced signal units model
831 - implemented opcodes lfoN_delay,
832 lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
833 - implemented opcodes ampeg_delay, ampeg_vel2delay
834 pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
835 pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
836 pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
837 pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
838 - implemented opcodes pitchlfo_delay, pitchlfo_freq,
839 pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
840 amplfo_delay, amplfo_freq, amplfo_depth
841 - implemented opcodes fileg_delay, fileg_start, fileg_attack,
842 fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
843 fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
844 fileg_vel2release
845 - implemented opcode lfoN_wave
846 - implemented opcode pitchlfo_depthccN
847 - implemented opcodes lfoN_phase, lfoN_phase_onccX,
848 lfoN_pitch, lfoN_pitch_onccX
849 - implemented opcodes pitchlfo_fade,
850 fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
851 - implemented opcodes fillfo_freqccN,
852 pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
853 - implemented opcodes ampeg_delayccN, ampeg_startccN,
854 ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
855 ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
856 - lfoN_* and egN_* opcodes defined in group sections
857 are now taken into account
858 - implemented curves
859 - implemented opcodes volume_onccN, volume_curveccN
860 - implemented opcode volume_smoothccN
861 - implemented opcodes fillfo_depthccN, amplfo_depthccN,
862 lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
863 lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
864 lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
865 lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
866 - implemented opcode end
867 - implemented opcodes egN_amplitude_onccX,
868 egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
869 egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
870 - implemented opcodes xfin_lokey, xfin_hikey,
871 xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
872 xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
873 xfout_loccN, xfout_hiccN, xf_cccurve
874 - implemented opcodes pan_onccN, pan_smoothccN,
875 pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
876 egN_pan_curveccX, pitch_veltrack
877 - when failed to parse a sfz file
878 print the line number on which the error occurs
879 - use common pool of CC objects to minimize RAM usage
880 - implemented opcodes amplfo_delay_onccN,
881 amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
882 pitchlfo_delay_onccN, pitchlfo_fade_onccN
883 - implemented opcodes fileg_delay_onccN,
884 fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
885 fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
886 fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
887 pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
888 pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
889 - implemented automatic aliasing *ccN <-> *_onccN
890 - *lfo_freqccN wasn't working when the respective *lfo_freq
891 was not set or was set to zero
892 - lfoN_freq_onccX wasn't working when lfoN_freq
893 was not set or was set to zero
894 - implemented opcodes resonance_onccN, resonance_smoothccN,
895 resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
896 - implemented opcodes fillfo_depthchanaft,
897 fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
898 pitchlfo_depthchanaft, pitchlfo_freqchanaft
899 - implemented opcodes pitch_onccN,
900 pitch_curveccN, pitch_smoothccN, pitch_stepccN
901 - implemented opcodes volume_stepccN, pan_stepccN,
902 cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
903 lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
904 lfoN_cutoff_stepccX, lfoN_resonance_stepccX
905 - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
906 eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
907 eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
908 eq1_gainccN, eq2_gainccN, eq3_gainccN
909 - implemented opcodes delay, delay_onccN, delay_random,
910 delay_samples, delay_samples_onccN
911 - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
912 egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
913 egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
914 egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
915 egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
916 lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
917 lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
918 lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
919 lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
920 lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
921 lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
922 lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
923 lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
924 lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
925 lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
926 - implemented opcodes eq1_vel2freq, eq2_vel2freq,
927 eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
928 - sfz parser: allow double spaces in sample filenames
929 - sfz parser: allow absolute paths for sample filenames
930 - use linear decay and release for filter and pitch EG
931 - bugfix: only the first amp_veltrack definition in a file was
932 used
933 - bugfix: looping was disabled if loop_start was set to 0
934 - allow regions with end=-1 to turn off other regions using the
935 group and off_by opcodes (#168)
936 - made end=0 play the whole sample
937 - fixed support for lochan and hichan opcodes (#155)
938 - fixed crash when using lochan/hichan opcodes (#187)
939 - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
940 - added FLAC support (#191)
941 - sfz parser bugfix: lines starting with whitespace were ignored
942 - added amplitude opcode
943 - added support for "#include" instruction
944 (modified patch which was originally posted by Sergey on LS mailing list)
945 - bugfix: generation of velocity curves etc should not be done
946 after each "#include", only after the main file is parsed
947 - bugfix: line numbers in error messages were wrong after "#include"
948 - added support for float and 32 bit sample files
949
950 * SoundFont format engine:
951 - Initial implementation (not usable yet)
952 - RT-safeness: avoid malloc in audio thread
953 - fixed a bug that could cause voice stealing to fail
954 - fine-tuned amplitude EG (by switching from gig to sfz EG)
955 - initial implementation of Vibrato LFO and Modulation LFO
956 - initial implementation of cutoff filter
957 - use linear decay and release for filter and pitch EG
958
959 * Host plugins (VST, AU, LV2, DSSI):
960 - AU bugfix: failed to destroy its audio/MIDI devices
961 - Listen to all interfaces on Mac OS X (INADDR_ANY)
962 - VST bugfix: If the host called resume() before and after
963 changing sample rate or block size, the number of channels was
964 incorrectly set to two. This caused silence in Cubase 5.
965 - save engine type (gig, sfz or sf2) in plugin state
966 - VST: when opening Fantasia, look for both 32 and 64 bit Java on
967 64 bit Windows
968 - AU: changed number of output channels from one stereo to 16
969 stereo
970 - VST: made it possible to build the VST plugin for Mac
971 - AU: link AU plugin dynamically if --disable-shared isn't
972 specified
973 - LV2 "state" extension support (patch by David Robillard)
974 - VST bugfix: instrument loading hang and crashed the host when
975 the plugin was loaded a second time (#174)
976 - plugin bugfix: instrument loading hang when the plugin was
977 loaded a second time (this time it's for Linux and Mac, previous
978 similar fix was for Windows)
979 - thread safety fixes for the instrument loading thread
980 - LV2: use the new lv2 package if present
981 - VST: try to open Fantasia automatically on Linux and Mac too (on
982 Linux, the Fantasia jar should be placed in <prefix>/share/java)
983 - VST: fixed crashes on Linux Ardour and EnergyXT
984 - DSSI bugfix: it wasn't possible to change engine type. The MIDI
985 port and audio channel routing for DSSI plugins are now visible.
986 - LV2: use urid and atom extensions instead of deprecated uri-map
987 and event
988 - LV2: lv2 package 1.0 is now required to build the LV2 plugin
989 - LV2: changed number of output channels to 16 stereo, just like
990 the VST and AU plugins
991 - LV2: fixed save/restore of SFZ state (patch by David Robillard)
992 - LV2: made LV2 plugin buildable on Windows and Mac
993 - VST: implemented retrieval and switching of programs using the
994 sampler's internal MIDI instrument mapping system
995
996 * Instrument editor interface:
997 - Changed instrument editor plugin interface, providing additional
998 informations like the EngineChannel for which the instrument editor was
999 spawned for. This allows the instrument editors to interact more actively
1000 with the sampler.
1001
1002 * MIDI driver:
1003 - ALSA MIDI driver supports now "NAME" device parameter, for overriding
1004 the ALSA sequencer client name
1005 - removed limit of maximum amount of MIDI ports per MIDI device, since
1006 there is no reason for this limit
1007 - MME: fixed memory handling bug found with cppcheck
1008 - MME: removed compiler warning
1009 - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
1010 which allows to retrieve the list of CoreMIDI clients / ports and to connect
1011 to them a la JACK, via the usual sampler APIs
1012 - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
1013 the driver will automatically connect to other CoreMIDI clients' ports
1014 (e.g. external MIDI devices being attached to the Mac)
1015 - added support for MIDI note on velocity filter
1016 - CoreMIDI: fixed memory deallocation error
1017 - Fixed variable underflow in VirtualMidiDevice, which caused graphical
1018 virtual keyboards in frontends / instrument editors being stuck.
1019 - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
1020 - Implemented missing handling of MIDI "running status".
1021 - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
1022 - MME bugfix: driver wasn't closed properly
1023 - CoreMIDI: automatically connect to all input sources by default (driver
1024 parameter "AUTO_BIND").
1025 - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
1026 - CoreMIDI: fixed minor memory leak
1027
1028 * audio driver:
1029 - ASIO driver fixes for newer gcc versions (fix from PortAudio)
1030 - JACK audio: react on sample rate changes.
1031 - JACK audio: react on buffer size changes.
1032 - JACK audio: jack_port_get_buffer() was cached and called outside
1033 RT context.
1034 - ASIO driver: removed compiler warnings
1035 - CoreAudio: fixed minor error handling bug
1036 - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
1037 - JACK audio: return the JACK server's current sample rate as default value
1038 for audio device parameter "SAMPLERATE" (fixes #166).
1039
1040 * LSCP server:
1041 - added support for sending MIDI CC messages via LSCP command
1042 "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
1043 - added LSCP command "GET AVAILABLE_EFFECTS"
1044 - added LSCP command "LIST AVAILABLE_EFFECTS"
1045 - added LSCP command "GET EFFECT INFO <effect-index>"
1046 - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
1047 - added LSCP command
1048 "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
1049 - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
1050 - added LSCP command "GET EFFECT_INSTANCES"
1051 - added LSCP command "LIST EFFECT_INSTANCES"
1052 - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
1053 - added LSCP command
1054 "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
1055 - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
1056 <effect-instance> <input-control> <value>"
1057 - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
1058 - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
1059 - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
1060 - added LSCP command
1061 "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
1062 - added LSCP command
1063 "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
1064 - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
1065 <effect-chain> <effect-instance>"
1066 - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
1067 <effect-chain> <effect-chain-pos> <effect-instance>"
1068 - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
1069 <effect-chain> <chain-pos>"
1070 - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
1071 <fx_send_id> <effect_chain> <chain_pos>"
1072 - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
1073 - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
1074 "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
1075 "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1076 - provide comprehensive error messages on LSCP syntax errors
1077 (suggesting expected next non-terminal symbols)
1078 - Fixed client connection not being closed after network errors.
1079
1080 * LSCP shell:
1081 - Added support for auto correction of obvious and trivial syntax mistakes.
1082 - Added support for auto completion by tab key.
1083 - Show currently available auto completion while typing.
1084 - Added support for browsing command history with up / down keys.
1085 - Show all possible next symbols immediately right to the current command
1086 line while typing (no double tab required for this feature, as it would
1087 be the case in other shells).
1088 - Added support for moving cursor left/right with arrow keys.
1089 - Added support for built-in LSCP reference documentation, which will
1090 automatically show the relevant LSCP reference section on screen as soon
1091 as one specific LSCP command was detected while typing on the command
1092 line.
1093
1094 * Real-time instrument scripts:
1095 - Implemented built-in script array variable %CC.
1096 - Implemented built-in script int variable $CC_NUM.
1097 - Implemented built-in script int variable $EVENT_NOTE.
1098 - Implemented built-in script int variable $EVENT_VELOCITY.
1099 - Implemented built-in script constant variable $VCC_MONO_AT.
1100 - Implemented built-in script constant variable $VCC_PITCH_BEND.
1101 - Implemented execution of script event handler "init".
1102 - Implemented execution of script event handler "controller".
1103 - Implemented execution of script event handler "note".
1104 - Implemented execution of script event handler "release".
1105 - Implemented built-in script function "play_note()" (only two of the
1106 max. four function arguments are currently implemented yet though).
1107 - Implemented built-in script int variable $EVENT_ID.
1108 - Implemented built-in script function "ignore_event()"
1109 - Implemented built-in script function "ignore_controller()" (may have one
1110 or no argument).
1111 - Implemented built-in script function "set_controller()".
1112 - Added extended script VM for the Gigasampler/GigaStudio format sampler
1113 engine, which extends the general instrument script VM with Giga format
1114 specific variables and functions.
1115 - Giga format scripts: added built-in script int constant variables
1116 $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
1117 $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
1118 $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
1119 $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
1120 $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
1121 $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
1122 $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
1123 $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
1124 $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
1125 $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1126 - Giga format scripts: Implemented built-in script function
1127 "gig_set_dim_zone(event_id, dimension, zone)".
1128 - Implemented built-in script int array variable %KEY_DOWN.
1129 - Implemented built-in script function "abs()".
1130 - Implemented built-in script function "random()".
1131 - Implemented built-in script function "num_elements()".
1132 - Implemented built-in script function "note_off()".
1133 - Implemented built-in script function "set_event_mark()".
1134 - Implemented built-in script function "delete_event_mark()".
1135 - Implemented built-in script function "by_marks()".
1136 - Added built-in script int const variables $MARK_1 to $MARK_28.
1137 - Built-in script functions "ignore_event()", "note_off()" and
1138 "gig_set_dim_zone()" now also accept an array of event IDs as argument
1139 (i.e. return value of new script function "by_marks()").
1140 - Pass/preserve polyphonic variable data from respective "note" event
1141 handler to "release" event handler.
1142 - Fixed crash when using built-in script function "by_marks()".
1143
1144 * Bug fixes:
1145 - Fixed crash which may occur when MIDI key + transpose is out of range
1146 - minor valgrind fixes
1147 - fixed crash which occurred when changing an already deployed sampler
1148 channel to a different engine type
1149 - fixed crash when deleting a sampler channel or changing engine
1150 type while an instrument load was in progress
1151 - bugfix: playing a note while changing the instrument could cause
1152 a crash, or give "Handing back unknown region" error messages
1153 - bugfix: calling SET VOICES (which Fantasia does on start and
1154 refresh) could cause instruments to be unloaded
1155 - Mac OS X: fixed name collision of enum in EffectControl and
1156 wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
1157 - Mac OS X: fixed hanging threads
1158 - Windows: disabled the previous thread fix on non-Mac systems, as
1159 it caused hanging threads on Windows
1160 - Fixed possible crashes due to corrupted MIDI/audio device list
1161 after MIDI/audio device creation failure
1162 - When creating MIDI instrument map entries with "PERSISTENT" type, the
1163 instruments were uselessly precached with zero samples, however it still
1164 took the full preloading time and on 1st program change the respective
1165 instrument was completely reloaded again.
1166 - fixed handling of rapid bank select and program change messages
1167 sent to the same sampler channel (patch from the Open Octave
1168 project, slightly adjusted)
1169 - fixed crash when trying to create an effect instance with controls
1170 which min and/or max values depend on the sample rate
1171 - fixed bug #162
1172 - bugfix: LADSPA_PATH was not evaluated correctly when containing
1173 multiple paths (#165)
1174 - thread safety fixes for the instrument loading thread
1175 - bugfix: instrument loading crashed for sfz and sf2 in Ardour
1176 (#176)
1177 - more thread safety fixes for the instrument loading thread
1178 - sfz/sf2 engine: fixed crash when using small audio fragment size
1179 - Mac OS X: fixed crash when unloading plugin on 10.7 and later
1180 - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
1181 introduced in previous fix)
1182 - fixed crash when a channel received a program change while
1183 playing a note in a key group
1184 - fixed erroneous error message piping in VoiceBase.h
1185 (labelled "Disk stream not available in time")
1186 - Update effects on sample rate & period size changes (to avoid
1187 crashes and noise on such transitions).
1188 - ignore missing LADSPA paths without ignoring valid LADSPA paths
1189 (fixes #208)
1190 - Fixed bug in LSCP grammar definition which caused a statement like
1191 "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
1192 practically irrelevant, however it caused problems with the new LSCP
1193 shell's auto completion feature).
1194 - Fixed MIDI program change messages being ignored if quickly executed
1195 after each other (fixes #231).
1196
1197 Version 1.0.0 (31 July 2009)
1198
1199 * packaging changes:
1200 - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
1201 causing e.g. the libgig test to fail when
1202 "./configure --disable-jack-driver" was used
1203 (patch by Alexis Ballier)
1204 - fixed compilation with gcc 4.3
1205 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
1206 - fixed configure so it detects x86_64 (#107)
1207 - fixes for building with newer MinGW versions
1208 - fix for building with bison 2.4 (#111)
1209 - fixed building with libgig installed in a non-standard directory
1210 - minor fix in configure for mmsystem.h detection on MinGW
1211 - Windows: look for editor plugins and Fantasia using base
1212 directory of liblinuxsampler dll (look in the same directory and one
1213 directory above)
1214 - configure script fix: removed unconditional use of SSE
1215 - fixed building with sqlite installed in a non-standard directory
1216 - when cross-compiling, don't try to create instruments.db
1217 - fix for new mingw-w64 version, which has usleep
1218
1219 * general changes:
1220 - bugfix: on some POSIX systems instrument editor plugins refused to
1221 load as we used a non-portable Linux specific struct field
1222 (fixes bug #70, patch by Ronald Baljeu)
1223 - fixed endless loop which occured when loading an instrument editor
1224 plugin DLL on Windows systems failed
1225 - fixed memory leaks that occurred when liblinuxsampler was unloaded
1226 - optimized the SynchronizedConfig class so it doesn't wait
1227 unnecessarily long after an update
1228 - added support for notifying instrument editors on note-on / note-off
1229 events (e.g. to highlight the pressed keys on the virtual keyboard
1230 of gigedit)
1231 - added support for triggering notes by instrument editors (see above)
1232 - be verbose on DLL load errors (on Linux)
1233 - fixed di-harmonic triangle LFO implementation (this LFO implementation
1234 is only used by very few systems, most pick the int math
1235 implementation, which is usually faster)
1236 - fixes for audio drivers with varying buffer sizes
1237 - experimental support for running LinuxSampler as a DSSI, LV2 and
1238 VST plugin
1239 - notification events for stream/voice count statistics are now sent
1240 only when there are actual changes
1241 - added memory ordering constraints to improve stability on
1242 multi-core and multi-cpu systems
1243 - maximum voices and disk streams can now be altered at runtime
1244 - fixed CPU feature detection on x86_64 (maybe fixes #108)
1245 - automatic stacktrace mechanism is now turned off by default and can
1246 be switched on by command line option "--stacktrace" (the automatic
1247 stacktrace mechanism seems to be broken on most systems at the moment)
1248 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
1249 a pointer to the launched InstrumentEditor object
1250 - added optional 3rd party user data parameter for following
1251 liblinuxsampler C++ API methods: InstrumentEditor::Main(),
1252 InstrumentEditor::Launch(),
1253 InstrumentManager::LaunchInstrumentEditor()
1254 - theoretical fix: made SynchronizedConfig follow C++0x memory
1255 model more strictly
1256 - fixes for using large audio device buffers
1257 - Windows: add the installation directory to the DLL search path
1258 when loading an editor plugin (solves problems with VST and
1259 gigedit on systems with other GTK versions installed)
1260 - updated linuxsampler man page
1261
1262 * audio driver:
1263 - removed the nonsense audio channel constraint (which was hard coded to
1264 max. 100 audio channels) for most audio drivers
1265 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
1266 opposed to the LSCP specs
1267 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
1268 reflected the wrong value
1269 - fixed a memory management bug in ASIO driver
1270 - Makefile fix: JACK_CFLAGS wasn't used
1271 - JACK: use jack_client_open instead of the deprecated
1272 jack_client_new
1273 - added (experimental) CoreAudio driver
1274 - applied old fixes to the ASIO driver that were included in the
1275 previous binary release but accidentally never committed to CVS
1276 (fixes #117)
1277 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
1278 win64)
1279 - VST: added support for sample rate and buffer size changes
1280 - VST: close editor (Fantasia) when the VST is removed
1281 - VST: avoid opening Fantasia more than once for each VST instance
1282 - VST: export main function as "main" on Linux too (fix for
1283 energyXT)
1284 - VST: changed number of output channels from one stereo to 16
1285 stereo
1286 - added channel routing, fxsends and midi maps to the settings
1287 stored in the plugin state
1288 - performance optimization of AudioChannel::MixTo() and
1289 AudioChannel::CopyTo() methods using GCC vector exensions
1290 (if available)
1291 - ASIO fixes: avoid initializing the device twice, avoid throwing
1292 exception when getting parameters from a disconnected device
1293
1294 * MIDI driver:
1295 - added JACK MIDI driver
1296 - dispatch bank select as ordinary CC as well, the user might seriously
1297 want to (mis)use it for some purpose ("fixed" in all current MIDI
1298 input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
1299 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
1300 CoreMidi or AU
1301 - fixed mingw-w64 compilation error in MME driver
1302 - made program change handling in MIDI thread real-time safe by
1303 moving the logic to a non-RT thread
1304 - fixed minor memory leak in ALSA driver
1305
1306 * instruments database:
1307 - avoid time consuming samples scanning when adding instruments
1308 to the instruments database
1309 - added support for handling lost files in the instruments database
1310 - Implemented option for adding instruments in separate directories
1311 in the instruments database
1312 (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
1313 - work-around for missing fnmatch function on Windows to make
1314 instrument database compilable
1315 - added instrument database support on Windows
1316 works with both standalone mode and VST plugin.
1317 the instruments DB file is located in
1318 %USERPROFILE%\.linuxsampler\instruments.db which allows different
1319 databases for each windows user
1320 if no DB is present it automatically creates the .linuxsampler subdir
1321 and then creates an empty DB
1322 - fixed recursive import, which was broken on Windows
1323
1324 * Gigasampler format engine:
1325 - fixed a memory leak that could happen when a channel was deleted
1326 while notes were playing
1327 - made it possible to load an instrument even if the audio thread
1328 isn't running
1329 - added partial support for the "Controller Triggered" MIDI rule,
1330 enough for piano gigs with pedal noise samples
1331 - minor fix: only mark FX sends as being modified if really the
1332 respective FX send MIDI controller was used
1333 - added support for GM global device volume SysEx message
1334 (can be selected at compile time to either apply globally to the
1335 whole sampler [default] or only to the sampler channels that are
1336 connected to the respective MIDI input port the SysEx message arrived
1337 on)
1338 - bugfix: notes triggered at position 0 in the audio buffer were
1339 sometimes wrongly killed in the same buffer, causing no sound to
1340 be played
1341 - added support for chromatic / drumkit mode Roland GS Sysex message
1342 which is usally used to switch a part between chromatic sounds and
1343 drumkit sounds (as opposed to their common default setting of MIDI
1344 part 10 being a drumkit part and all other ones chromatic parts), in
1345 LS however one can switch between the first 16 MIDI instrument maps
1346 defined for the sampler
1347 - made it possible to create multiple sample channels even if the
1348 audio thread isn't running
1349 - fixed crash when removing channel with active voices (#116)
1350 - bugfix: on sample reference changes (instrument editor), only
1351 un-cache the respective sample if it's really not used by any
1352 sampler engine anymore
1353 - re-cache samples in case they were changed by an instrument editor,
1354 e.g. when a sample was added while playing (#82)
1355 - fixed hanging notes which occured when note-off event had the exact
1356 same time stamp as the voice's note-on event and occured both in the
1357 same audio fragment cycle (fixes bug #112)
1358 - added support for the "fine tune" and "pitch bend range"
1359 instrument-level gig parameters
1360 - fixed minor artifacts in pitch bend handling
1361 - added support for GS Reset SysEx message
1362 - allow gig files to use unlimited downward pitch shifting
1363 - added a limit check for upward pitch shifting
1364 - bugfix: sometimes, when playing a note twice fast, the second
1365 note was silent
1366 - fixed crash happening when a pitch bend event arrived at the
1367 same time a new instrument was loading
1368
1369 * LSCP server:
1370 - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
1371 react on MIDI data arriving on certain sampler channels (so far only
1372 Note-On and Note-Off events are sent via this LSCP event)
1373 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
1374 react on MIDI data arriving on certain MIDI input devices (so far only
1375 Note-On and Note-Off events are sent via this LSCP event)
1376 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
1377 SET DB_INSTRUMENT FILE_PATH
1378 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
1379 frontends to send MIDI messages to specific sampler channel
1380 - added two additional fields to GET FILE INSTRUMENT INFO command -
1381 KEY_BINDINGS and KEYSWITCH_BINDINGS
1382 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
1383 was incorrect
1384 - Optimized the retrieval of the MIDI instrument mappings
1385 - added new LSCP command "SET VOICES" to globally alter the maximum
1386 amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
1387 be triggered respectively
1388 - added new LSCP command "SET STREAMS" to globally alter the maximum
1389 amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
1390 which will be triggered respectively
1391 - bugfix: retry if "select" returns EINTR (this fixes a crash when
1392 a gigedit file dialog is opened)
1393 - close all connections when LSCPServer is deleted
1394 - hard close of all sockets on exit
1395 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
1396 driver
1397
1398 * Bug fixes:
1399 - fixed a crash which occurs when removing a sampler channel waiting
1400 to start instrument loading after another channel
1401 - fixed a crash which occurs when removing a sampler channel with
1402 instrument loading in progress (bug #113)
1403 - fixed termination caused by uncaught exception when adding MIDI
1404 instrument with PERSISTENT load mode
1405 - fixed possible iterator invalidations when resetting the sampler
1406 - fixed memory leaks when issuing the following LSCP commands:
1407 GET AUDIO_OUTPUT_DRIVER INFO
1408 GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
1409 GET MIDI_INPUT_DRIVER INFO
1410 GET MIDI_INPUT_DRIVER_PARAMETER INFO
1411 - fixed possible compilation error when sqlite is not present
1412 - fixed orphaned pointers when setting maximum voices limit (bug #118)
1413 - fixed crash when changing the audio output device of a sampler
1414 channel with loaded instrument and start playing notes
1415 - fixed endless loop in Engine::SuspendAll() (bug #120)
1416 - fixed a low-level atomic load function that was broken on 64-bit
1417 PowerPC, which probably could cause crashes on that platform
1418 - fixed a memory management error which could cause a crash when a
1419 plugin was unloaded
1420 - bugfix: two private structs had the same name, which could cause
1421 problems if the linker chose the wrong constructor
1422 - fixed low-level ConditionServer usage bug that caused lockups on
1423 Windows
1424
1425
1426 Version 0.5.1 (6 December 2007)
1427
1428 * packaging changes:
1429 - added autoconf checks for pthread library
1430 - added autoconf check for pthread bug found on certain NPTL-enabled
1431 glibc versions (see Gentoo bug report #194076)
1432 - added autoconf checks for MS Windows
1433
1434 * general changes:
1435 - bugfix: the thread used by an editor plugin didn't die when the
1436 editor closed
1437 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
1438 out all the space. operator--() did not apply size_mask after
1439 decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
1440 order to avoid problems with the _NonVolatileReader functions.
1441 - bugfix: Stream.h: added a missing divide by BytesPerSample in
1442 GetWriteSpace(). Since this function is currently only used in
1443 the stream's qsort() compare function, it didn't trigger any
1444 bugs.
1445 - Resampler.h, Synthesizer.h: cubic interpolation now works in
1446 24bit mode too. Faster method to read 24bit words on little
1447 endian machines (x86): replaced 3 byte reads + shifts with a 1
1448 unaligned 32bit read and shift
1449 - experimental support for MS Windows (MIDI input via MME, AUDIO
1450 output via ASIO)
1451 - made handling of SIGINT signal (Ctrl-C) a bit more robust
1452 - support for monitoring the total number of active disk streams
1453 (new LSCP commands: GET TOTAL_STREAM_COUNT,
1454 SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
1455
1456 * AUDIO driver:
1457 - added Windows ASIO low latency audio driver
1458
1459 * MIDI driver:
1460 - added MME Windows MIDI driver
1461
1462 * LSCP server:
1463 - added support for Windows style path / filenames, however with
1464 forward slash path separators instead of backslash
1465 (i.e. "C:/foo/bar.gig")
1466 - allow naughty liblscp to send non-string device parameters within
1467 apostrophes as well
1468 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
1469 "LIST FILE INSTRUMENTS <file>" and
1470 "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
1471 about an arbitrary instrument file on the system where the sampler is
1472 running on
1473
1474 Version 0.5.0 (15 October 2007)
1475
1476 * packaging changes:
1477 - config.h is not going to be installed along with liblinuxsampler's
1478 API header files anymore
1479 - only the API relevant header (and source) files will be exported to
1480 the Doxygen API documentation (explicitly listed in Doxyfile.in)
1481 - added completely new XCode project files for Mac OSX which is now
1482 capable to execute our autoconf environment, thus no need anymore
1483 to maintain the compile time configuration file (osx/version.h) for
1484 OSX manually (patch by Toshi Nagata)
1485 - fixed buggy boolean --enable-foo / --disable-foo configure script
1486 parameters
1487 - global.h now only covers global definitions that are needed for the
1488 C++ API header files, all implementation internal global definitions
1489 are now in global_private.h
1490 - atomic.h is not exposed to the C++ API anymore
1491 - no need to include config.h anymore for using LS's API header files
1492 - fixed warnings in API doc generation
1493
1494 * general changes:
1495 - replaced the old, confusing MIDI program change mechanism by a
1496 flexible MIDI instrument mapper which allows to map arbitrary
1497 (MIDI bank, MIDI program) pairs with arbitrary
1498 (engine type, instrument file, file index) triplets which will be
1499 loaded on the respective channel when such MIDI program change
1500 messages arrive, beside that, each entry allows to define a life-time
1501 strategy for the instrument, so the user can define whether the
1502 instrument should i.e. be permanently loaded (to be able to switch
1503 quickly among sounds) or i.e. loaded just on demand when the
1504 respective program change arrives (to safe RAM space), as well as a
1505 global volume factor for each entry, so the user can adjust the volume
1506 dynamic of his mapped instrument collection without having to modify
1507 the instrument files, also one can manage arbitrary amount of such
1508 MIDI instrument maps and assign each sampler channel individually
1509 a certain map, so that i.e. separation of normal instruments and
1510 drumkits is possible
1511 - new notification events for tracking changes to audio/MIDI devices,
1512 MIDI instrument maps, MIDI instruments, FX sends, global volume.
1513 - sampler was limited to load max. 200 instruments in the background
1514 due to a constant size RingBuffer FIFO which is now replaced by a
1515 dynamic (unlimited) size std::list FIFO
1516 - added FX sends, these allow to route audio signals to arbitrary audio
1517 output channels for being processed by external effect processors
1518 (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
1519 controllers
1520 - global (sampler wide) volume can now be controlled at runtime
1521 - Implemented new, improved notification system
1522 - fixed compilation errors regarding OSX
1523 (patch by Toshi Nagata)
1524 - implemented instruments database
1525 - added support for escape sequences to the instruments database
1526 - added highly experimental support for on-the-fly instrument editing
1527 within the sampler's process (by using instrument editor plugins),
1528 you'll notice the new "Registered instrument editors:" message on
1529 startup, added a new LSCP command:
1530 "EDIT CHANNEL INSTRUMENT <sampler-channel>"
1531 to spawn a matching instrument editor for the instrument on the
1532 given sampler channel, the plugin path can be overridden at compile
1533 time with ./configure --enable-plugin-dir=/some/dir
1534 - added experimental code for synchronizing instrument editors hosted
1535 in the sampler's process to safely edit instruments while playing
1536 without a crash (hopefully) by either suspending single regions
1537 wherever possible or if unavoidable whole engine(s)
1538 - fixed several issues in fundamental "Thread" class: set scheduling
1539 policy and priority on thread level, set a minimum stack size for
1540 thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
1541 threads simply inherited properties of starting thread instead of
1542 setting their own policy and priority
1543 - minor fix in our automatic stack trace mechanism on crashes, the
1544 main process did not wait for the stack trace process to finish
1545 its output
1546 - fixed some minor memory leaks
1547 - reenabled assembly features support, at the moment only for
1548 enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
1549 - minor assembly fix in x86 features detection (don't use the PIC
1550 register, to avoid relocations in the text segment at runtime)
1551 - POSIX callback functions of Thread.h are hidden
1552
1553 * MIDI driver:
1554 - dispatch bank select (MSB and LSB) messages
1555
1556 * audio driver:
1557 - the ALSA audio output driver parameters now reflect the correct
1558 parameter value ranges for the respective selected sound card
1559 (patch by Till Wimmer, a bit fixed and extended)
1560
1561 * Gigasampler format engine:
1562 - if a filter is used and EG2 finishes before EG1, let the voice
1563 die when EG2 has finished (this fixes a problem with clicks and
1564 voice starvation for some gigs)
1565 - playback is no longer disabled during instrument loading
1566 - all notes playing on a channel that changes its instrument keep
1567 playing with the old instrument until they get a note off
1568 command
1569 - EG fix: a release value of zero could cause noises or crash
1570 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
1571 - EG fine tuning: when attack is zero the EG starts at a level
1572 above max sustain level, which means that there is a decay phase
1573 even if sustain is 100%
1574 - more EG fixes: the level could sometimes go below zero and cause
1575 noises or crashes
1576 - minor fix of EGDecay (patch by Toshi Nagata)
1577 - fixed compiler error when --enable-override-filter-type was
1578 supplied to the configure script (fixes #46)
1579 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1580 instead of a fix value
1581 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1582 127 (solo mode) only kill voices if the respective mode really
1583 changed
1584
1585 * LSCP server:
1586 - fixed compile time error for old Bison versions
1587 (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1588 - parser now supports extended ASCII character set
1589 (up to ASCII code 255, i.e. includes now umlauts and accents)
1590 - filename arguments in LSCP commands now allow to use escape
1591 sequences, that is directly literal as one of: \', \", \\, \n, \r,
1592 \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1593 code value like \xf2) (fixes bug #24)
1594 - the following LSCP commands now also support escape sequences for at
1595 least one of their text-based parameters (i.e. name, description):
1596 "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1597 "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1598 "SET DB_INSTRUMENT_DIRECTORY NAME",
1599 "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1600 "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1601 "FIND DB_INSTRUMENT_DIRECTORIES"
1602 - returns verbose syntax errors (line and column where syntax error
1603 occured, the unexpected character and the actually expected, possible
1604 character(s), the latter only if less than 5 possibilities)
1605 - made sure that LSCP syntax is not affected by gigedit locale
1606 settings
1607 - bugfix regarding strings parameter lists: all comma separated lists
1608 of strings were treated as being one string containing commas
1609 (fixes #57)
1610
1611 * Bug fixes:
1612 - fixed crash occurring on certain LSCP scripts (Bug 39)
1613 - another thread safety fix for lscp "load engine" and "set
1614 channel audio output device"
1615 - fixed a crash which occurs when reassigning the same engine
1616 on a sampler channel with connected MIDI device
1617 - fixed a crash which occurs when changing the number of ports of a MIDI
1618 device connected to a sampler channel to number less then or equal
1619 to the index of the port to which the sampler channel is connected.
1620 - The previous bindings were not been disconnected when altering
1621 the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1622 unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1623 - The active stream/voice count statistic was incorrect.
1624 - notification events were not been sent for some sampler
1625 channel changes
1626 - added default min and max values to restrict the number of allowed
1627 audio output channels and MIDI input ports
1628 - the connection to the PCM interface is now closed when destroying
1629 an audio output device
1630 - files with slash in their path or filename could not be loaded
1631
1632 * test cases:
1633 - updated and fixed (haven't been touched in a while)
1634
1635 Version 0.4.0 (24 November 2006)
1636
1637 * packaging changes:
1638 - changed deprecated copyright attribute to license; added ldconfig
1639 to post-(un)install steps; added devel package for liblinuxsampler;
1640 to linuxsampler.spec (RPM)
1641 - install necessary development header files for allowing 3rd party
1642 applications to link against liblinuxsampler
1643 - liblinuxsampler's API documentation can be generated with 'make docs'
1644 (Doxygen required)
1645 - added benchmark to automatically detect the best triangle LFO
1646 implementation (currently either an integer math solution or a
1647 di-harmonic approximation), automatic detection can be overriden
1648 with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
1649 configure script argument though (mandatory for cross-compilation)
1650 - do not automatically pick optimized gcc flags if the user already
1651 provided some on his own (as CXXFLAGS)
1652 - added compile time option to disable processing of All-Notes-Off MIDI
1653 messages
1654 - added compile time options to allow disabling the various audio and
1655 MIDI drivers
1656 - fixed automatic GCC CPU switch detection on PPC
1657 (patch by Ebrahim Mayat)
1658
1659 * Gigasampler format engine:
1660 - extensive synthesis optimization
1661 (reimplementation of EGs and LFO(s), removed synthesis parameter
1662 prerendering and the synthesis parameter matrix in general, splitting
1663 each audio fragment into subfragments now where each subfragment uses
1664 constant pitch and filter coefficients. The volume coefficient is
1665 linearly interpolated inside a subfragment, unless
1666 --disable-interpolate-volume is set.)
1667 - fine tuning of the EG modulation parameters
1668 - improved filter cutoff calculation by adding support for the
1669 following gig parameters: Cutoff freq (used when no cutoff
1670 controller is defined), Control invert, Minimum cutoff, Velocity
1671 curve and Velocity range. The keyboard tracking now scales
1672 cutoff frequency instead of resonance.
1673 - added support for gig parameter Resonance.
1674 - fixed bug in sysex handling (patch by Juan Linietsky)
1675 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
1676 which can be overridden with --enable-global-attenuation
1677 - EG fixes: made the length of "attack hold" stage more
1678 accurate. Release stage can now start before attack stage
1679 ends. Cancel release didn't work when sustain was zero. Attack
1680 time now has a minimal value to prevent clicks.
1681 - fixed pitch changes larger than one octave
1682 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
1683 - implemented portamento mode and solo mode (a.k.a 'mono mode'):
1684 all modes can be altered via standard GM messages, that is CC5 for
1685 altering portamento time, CC65 for enabling / disabling portamento
1686 mode, CC126 for enabling solo mode and CC127 for disabling solo mode
1687 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
1688 parameter) and crossfade
1689 - added support for the "attenuation controller threshold" gig
1690 parameter
1691 - added smoothing of volume changes caused by control change
1692 messages
1693 - sample loop parameters are now taken from the DimensionRegion
1694 instead of the wave chunk
1695 - fixed keyswitching for v3 gigs with a number of keyswitch splits
1696 not equal to a power of two
1697 - reimplementation of the filter algorithm. The new filter is more
1698 accurate and supports all gig filter types, including bandreject
1699 and lowpass turbo.
1700 - real support for 24 bit samples - samples are not truncated to
1701 16 bits anymore
1702 - support for aftertouch (channel pressure, not polyphonic
1703 aftertouch)
1704 - LFO1 behaviour fixed (dampening from max volume instead of
1705 amplifying from 0)
1706
1707 * LSCP server:
1708 - fixed application exit on broken pipe error (fixes bug #20)
1709 - fixed the notification messages delay due to lack of
1710 network activity (fixes bug #26)
1711 - fixed parser bug which occured on space(s) within device parameters
1712 (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
1713
1714 * audio driver:
1715 - added aRts audio output driver (by no means RT safe)
1716
1717 * MIDI driver:
1718 - fixed legacy sysex code which caused dispatching of MIDI SysEx
1719 messages several times instead of once
1720 - API extension for MIDI drivers which already supply exact time stamps
1721 for events (i.e. for offline rendering based MIDI drivers)
1722 - added checks for bad MIDI data
1723
1724 * linuxsampler application:
1725 - show available sampler engine types on startup
1726
1727 * general changes:
1728 - support for muting sampler channels and solo mode of the same, two new
1729 LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
1730 fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
1731 introduced for this, the behavior is the same like on a mixer console
1732 (patch by Grigor Iliev, a bit adjusted). Also added configure option
1733 --enable-process-muted-channels which can be used to enable the
1734 processing of muted channels.
1735 - support for sostenuto pedal
1736 - support for monitoring the total number of active voices
1737 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
1738 SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
1739 - fixed some memory management errors
1740 - fixed some concurrency problems that could lead to crashes when
1741 LSCP commands were executed
1742 - fixed crash when instrument loading failed previously on the same
1743 sampler channel (fixes bug #36)
1744
1745 Version 0.3.3 (15 July 2005)
1746
1747 * packaging changes:
1748 - fixed compilation with gcc 4.0
1749
1750 * Gigasampler format engine:
1751 - LFO preprocessing was performed even though the respective LFO was
1752 disabled by the instrument patch (minor efficiency fix)
1753 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
1754 for volume ramp downs in the same fragment (needed for current voice
1755 stealing implementation) then simply inform the user with a warning
1756 about possible click sounds and reduce the volume ramp down
1757 appropriately instead of cancelling the audio device connection
1758
1759 Version 0.3.2 (24 June 2005)
1760
1761 * packaging changes:
1762 - updated autotools build files to compile on OS X
1763 (conditional compilation of CoreMIDI and MidiShare drivers)
1764 - hand-crafted assembly optimization code can be disabled with
1765 './configure --disable-asm' (definitely not recommended)
1766 - fixed 'make dist' rule to include all necessary files
1767 - require automake (>= 1.5) for 'make -f Makefile.cvs'
1768 (due to 'dist-bzip2' automake option)
1769
1770 * Gigasampler format engine:
1771 - support for the gig parameters for "release velocity response" curves
1772 - fine tuning of the EGADSR envelope
1773 - volume of release triggered samples now depends on note-on velocity,
1774 note length and gig parameter "release trigger decay" instead of
1775 note-off velocity.
1776 - revised voice stealing
1777 (fixes crash and endless loop caused by voice stealing)
1778 - don't reset scale tuning on instrument or audio output device change
1779 - handle key group conflicts right at the beginning of each fragment
1780 instead of when the respective voice is actually launched
1781 (fixes undefined behavior if stolen voices belonged to a key group -
1782 this case was followed by a "killed voice survived" error message)
1783 - fixed minor issue with null/silence samples
1784 (those stole voices even though they don't need a voice at all which
1785 resulted in "voice stealing didn't work out" messages)
1786 - don't reset volume, pan, pitch and MIDI controller values on
1787 instrument or audio output device change
1788
1789 * LSCP server:
1790 - fixed some crashes (patch by Grigor Iliev, fixes #19)
1791 - fixed LSCP event "CHANNEL_INFO" notification
1792 (e.g. did not notify on volume changes or MIDI program change events)
1793
1794 * linuxsampler application:
1795 - added command line parameters --lscp-addr and --lscp-port to override
1796 default IP address and port of LSCP server
1797
1798 Version 0.3.1 (24 May 2005)
1799
1800 * initial release

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