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revision 2300 by iliev, Mon Dec 12 09:20:00 2011 UTC revision 3764 by schoenebeck, Sun Apr 5 21:41:27 2020 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3    * plugin changes:    * general changes:
4      - LV2 Persist + Files support (patch by David Robillard)      - Fixed compiler error in Pool.h.
5        - Require C++14 compiler support.
6        - Autoconf: Added m4/ax_cxx_compile_stdcxx.m4 macro which is used
7          for checking in configure for C++14 support (as mandatory
8          requirement) and automatically adds compiler argument if required
9          (e.g. -std=C++14).
10        - RTMath: Implemented floating point comparison methods
11          fEqual32(float,float) and fEqual64(double,double) which take the
12          expected floating point tolerances into account.
13        - Added public API C++ class "LFO", which is a cluster class encapsulating
14          all the sampler's LFO implementations to be used by 3rd party applications
15          (e.g. by Gigedit).
16        - Added int math square LFO implementation.
17        - Added int math saw LFO implementation.
18        - Added numeric complex nr sine LFO implementation.
19        - Marked class LFOTriangleDiHarmonic as deprecated
20          (will be removed in future).
21        - Added LFOAll.h which includes all LFO implementation's header files.
22        - Refactored LFO class names and their file names (PulseLFO -> LFOPulse,
23          LFOSawIntMath -> LFOSawIntMathNew, SawLFO -> LFOSawIntMathOld,
24          SineLFO -> LFOSineBuiltinFn, LFOSine -> LFOSineNumericComplexNr,
25          SquareLFO -> LFOSquarePulse and separated the latter to its own header
26          file).
27        - Renamed type LFOSigned -> LFOTriangleSigned.
28        - Renamed type LFOUnsigned -> LFOTriangleUnsigned.
29        - Using now cubic interpolation as resampling algorithm by default; and
30          linear interpolation is deprecated now.
31        - Event:Init(): memset() entire Event::Param union to zero instead of trying
32          to do that for its individual members; the latter became error prone due
33          to the union's growing complexity meanwhile.
34        - EngineChannel: Overhaul of RPN/NRPN related methods: Added new
35          *Rpn*Parameter*() methods as replacement for previous *Rpn*Controller*()
36          methods and marked the old ones as deprecated; and likewise added new
37          *Nrpn*Parameter*() methods as replacement for previous *Nrpn*Controller*()
38          methods and marked those old ones deprecated as well.
39        - Added support for MIDI CC #38 (data entry LSB): this allows higher value
40          resolution for certain (e.g. hard coded) RPN and NRPN parameters.
41        - Implemented support for compressed RPN/NRPN message sequences (that is to
42          allow processing MIDI data entry messages without always having to be
43          preceded strictly by RPN/NRPN parameter selection messages on each value
44          change).
45        - Added support for MIDI CC #96 (data increment) and MIDI CC #97 (data
46          decrement).
47        - Added support for 'null function RPN/NRPN' (which is RPN/NRPN parameter
48          MSB=127 and LSB=127) and which is disabling subsequent data
49          entry/increment/decrement CC messages.
50        - Fixed crash when editing key groups (a.k.a. exclusive groups) with an
51          instrument editor.
52        - Fixed playing noise at the end of a disk stream under certain conditions.
53        - Fixed potential crash with high pitch at end of RAM playback.
54        - Added configure checks whether C++ compiler supports so called
55          'designated initializers'.
56        - Added global backtraceAsString() function for debugging purposes
57          (POSIX systems only, no Windows implementation yet).
58        - Thread class: Added new methods pushCancelable(), popCancelable(), name(),
59          nameOfCaller() and setNameOfCaller().
60        - configure: Always check for availability of pthread_testcancel() and use
61          it if so (previously it was only used if explicitly enabled by configure
62          option).
63        - Thread class: raise compiler warning if pthread_testcancel() is not
64          available, because it can lead to deadlocks.
65    
66      * Real-time instrument scripts:
67        - Added method ScriptVM::setExitResultEnabled() which allows to
68          explicitly enable the built-in exit() function to optionally accept
69          one function argument; the value of the passed exit() function
70          argument will then become available by calling
71          VMExecContext::exitResult() after script execution.
72        - 64 bit support for NKSP integer scripts variables (declare $foo).
73        - Variable names, function names and preprocessor condition names must start
74          with a regular character (a-z or A-Z); starting them with a digit or
75          underscore is not allowed.
76        - NKSP parser fix: equal comparison operator "=" and not equal comparison
77          operator "#" must only accept integer operands.
78        - NKSP language: Implemented support for standard units like Hertz, seconds,
79          Bel including support for metric unit prefixes; so one can now e.g.
80          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
81          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
82          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
83        - NKSP language: Introduced "final" operator "!" which is specifically
84          intended for synthesis parameter values to denote that the synthesis
85          parameter value is intended to be the "final" value for that synthesis
86          parameter that should explicitly be used by the engine and thus causing
87          the sampler engine to ignore all other modulation sources for the same
88          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
89          variable or formula with this new "!" operator the expression is marked as
90          being "final".
91        - NKSP script editor API: Added support for detecting standard unit tokens
92          and their potential metric prefix token.
93        - NKSP language: Added support for NKSP real number literals and
94          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
95        - NKSP language: Added support for NKSP real number (floating point) script
96          variables (declare ~foo).
97        - NKSP language: Added support for NKSP real number (floating point) array
98          script variables (declare ?foo[]).
99        - Built-in script function "message()" accepts now real number argument as
100          well.
101        - Added built-in script function "real_to_int()" and its short hand form
102          "int()" for casting from real number to integer in NKSP scripts.
103        - Added built-in script function "int_to_real()" and its short hand form
104          "real()" for casting from integer to real number in NKSP scripts.
105        - Allow built-in exit() function to potentially accept real number type
106          argument as well.
107        - Built-in script functions may have a different return type depending on
108          the arguments passed to the function.
109        - Built-in script function "abs()" optionally accepts and returns real
110          number.
111        - Built-in script functions "min()" and "max()" optionally accept real
112          number arguments and return real number as result in that case.
113        - NKSP VM API: Allow units and 'final'ness to be returned as result from
114          built-in functions (added methods VMFunction::returnUnitType() and
115          VMFunction::returnsFinal() for that purpose which must be implemented by
116          built-in function implementations).
117        - NKSP language: Allow metric unit prefixes of numeric scalar and array
118          variables to be changed freely at runtime (unlike unit types like Hz etc.
119          which are still sticky, parse-time features of variables which cannot be
120          changed at runtime for the intentional sake of determinism).
121        - NKSP language: 'final' values are prohibited for array variables for now
122          (attempt causes a parsers error).
123        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
124          conditions of runtime control structures like if(), while(), select()
125          (attempt causes a parser error).
126        - NKSP VM API: Allow built-in functions to perform their own, individual
127          parse time checks of arguments going to be passed to the function at
128          runtime (added method VMFunction::checkArgs() for that purpose).
129        - NKSP language: raise parser warning if only one operand of binary
130          operators (like logical 'or' comparison) contain a 'final' value (because
131          it would always yield in a 'final' result in such cases).
132        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
133          different metric unit prefixes, which will behave as expected (e.g.
134          result of expression '1000us < 2ms' is true).
135        - NKSP language: Allow adding values with different metric unit prefixes
136          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
137        - NKSP language: Allow subtracting values with different metric unit
138          prefixes (e.g. result of expression '1ms - 20us' is '980us').
139        - NKSP language: Allow multiplying with any metric unit prefixes
140          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
141          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
142          we don't have any considerable practical use for a term like '4s^2'
143          (hence any attempt multiplying two unit types still causes parser error).
144        - NKSP language: Allow dividing by any metric unit prefixes and allow
145          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
146          yields in unit free result '8'). So this is now a way to cast units away
147          e.g. for passing the result to other expressions, certain function calls
148          or variables which are not accepting any units (or that specific unit).
149        - NKSP language: integer arrays and real number arrays can now be converted
150          to strings (e.g. for dumping their content with message() calls for
151          script debugging purposes).
152        - NKSP language: expressions and variables with units are now correctly
153          casted to strings (e.g. with message() calls).
154        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
155          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
156          floating point tolerances into account.
157        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
158          VMScalarNumberExpr::evalCastReal().
159        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
160          'VMIntArrayExpr' and 'VMRealArrayExpr'.
161        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
162          unitFactor() (runtime) methods.
163        - Built-in function "exit()" supports now returning units and 'final'ness
164          for test cases.
165        - The following built-in functions support now units as well: "abs()",
166          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
167          "real_to_int()", "int()", "int_to_real()" and "real()".
168        - Built-in functions "array_equal()", "search()" and "sort()" support now
169          real number arrays (correctly) as well.
170        - Added individual parse time checks of arguments to be passed to built-in
171          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
172          "array_equal()" and "search()" specific for their individual purposes.
173        - NKSP VM refactoring: Renamed all methods, functions and classes matching
174          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
175          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
176          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
177          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
178          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
179          isScalarNumber() -> isNumber()).
180        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
181          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
182          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
183          as convenient methods for automatically converting values to expected
184          metric value basis.
185        - Built-in function "wait()" accepts now both integers and real numbers as
186          argument.
187        - NKSP VM API cleanup: Get rid of legacy method
188          VMFunction::argType(vmint iArg) which was already superseded by its new
189          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
190        - NKSP parser: if wrong argument type was passed to a built-in function and
191          that built-in function accepts more than one data type for the argument,
192          then show all supported data types as parser error message.
193        - Built-in function "play_note()" accepts now real numbers and seconds as
194          unit type as well for its 3rd and 4th function arguments.
195        - The following built-in functions accept now real numbers as well for their
196          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
197          "change_attack()", "change_decay()", "change_release()",
198          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
199          "change_cutoff_sustain()", "change_cutoff_release()",
200          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
201          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
202          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
203        - Fixed built-in function "change_play_pos()" not having accepted metric
204          prefixes at all.
205        - Fixed the following built-in functions having misinterpreted values given
206          with unit type (for their 2nd argument) as if they were relative values
207          (that is as if they were passed without a unit type): "change_attack()",
208          "change_decay()", "change_release()", "change_cutoff_attack()",
209          "change_cutoff_decay()", "change_cutoff_release()".
210        - Fixed the following built-in functions having applied completely wrong
211          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
212          respective EGs being their modulation sink assume uint data type with
213          value range 0..1000 instead of 0.0..1.0.
214        - Added individual parse-time checks of function arguments for the following
215          built-in functions: "play_note()", "note_off()", "set_event_mark()",
216          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
217          "change_decay()", "change_release()", "change_cutoff_attack()",
218          "change_cutoff_decay()", "change_cutoff_release()",
219          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
220          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
221          "change_pan_time()".
222        - Don't abort function call if unit type was used and at the same time
223          'final' operator was omitted for the primary value argument of the
224          following built-in functions: "change_cutoff()", "change_attack()",
225          "change_decay()", "change_release()", "change_cutoff_attack()",
226          "change_cutoff_decay()", "change_cutoff_release()",
227          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
228          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
229          "change_pan_time()", instead imply 'final'ness at runtime and raise an
230          appropriate parser warning at parse time.
231        - Added built-in real number functions "round()", "ceil()", "floor()",
232          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
233          "cos()", "tan()", "asin()", "acos()", "atan()".
234        - Added built-in script real number constant "~NI_MATH_PI".
235        - Added built-in script real number constant "~NI_MATH_E".
236        - NKSP language: Allow unary '+' operator.
237        - Added built-in script functions "msb()" and "lsb()".
238        - NKSP language: Added support for RPN event handler
239          ("on rpn ... end on" in instrument scripts).
240        - NKSP language: Added support for NRPN event handler
241          ("on nrpn ... end on" in instrument scripts).
242        - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
243          may be read from the new RPN/NRPN script handlers to get the (N)RPN
244          parameter that had been changed and its new value.
245        - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
246          which are identifying the new (N)RPN handlers as such at script runtime.
247        - Implemented built-in script function "set_rpn()".
248        - Implemented built-in script function "set_nrpn()".
249        - Fix: built-in functions returning an array type were broken and caused a
250          crash when the built-in function's (supposed to be array) result value was
251          used by the script VM.
252        - Removed upper value constraint for 2nd argument of built-in functions
253          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
254          "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
255          "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
256          "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
257          the LFO frequency / resonance / cutoff frequency.
258        - Reduced code involved for parsing NKSP variable declarations by using 2
259          generalized grammar rules with optional components (i.e. optional value
260          assignment and optional variable qualifiers) instead of previous linear
261          combinations of grammar rules, which also fixes some edge case.
262        - NKSP language parser: track code block locations also by a) raw byte
263          position in NKSP source code string and b) length of that code block in
264          bytes (along to the already existing code block tracking by line/column);
265          and added appropriate new members to public C++ API classes like
266          'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
267        - NKSP language: Added support for 'patch' variable qualifier (capture their
268          locations and allow replacement of their assignment expression via VM C++
269          API).
270        - Fixed incorrect EG times if standard measuring unit was passed to built-in
271          functions "change_attack()", "change_decay()" or "change_release()".
272        - Fixed intermediate function result values never having reflected any
273          standard measuring unit type.
274        - Fixed re-entrant issue with function calls which caused wrong result
275          values if the same function was called multiple times in a term
276          (specifically if metric prefixes were used).
277    
278      * test cases:
279        - Fixed compiler errors in test cases.
280        - Updated README for how to compile & run test cases.
281        - Updated test case
282          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
283          expected behaviour of the Mutex class implementation (recursive
284          mutex type).
285        - Added test cases for NKSP core language aspects and core built-in
286          functions.
287        - Fixed thread tests segfaulting on Linux.
288        - NKSP: Added real number test cases for built-in functions exit(),
289          int_to_real(), real(), real_to_int() and int(), as well as for the
290          plus, minus and negate language operators.
291        - Added massive amount of NKSP test cases for standard measuring units and
292          'final' operator usage cases.
293        - Added NKSP test cases for (floating point tolerance aware) real number
294          equalness / unequalness comparison.
295        - Added NKSP int array and real array tests for value assignment and
296          initialization of arrays.
297        - Added NKSP test cases for built-in functions "round()", "ceil()",
298          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
299          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
300        - Added NKSP test cases for unary '+' operator.
301        - Added NKSP test cases for core built-in variables.
302        - Added thorough NKSP test cases for variable declarations.
303    
304      * GigaStudio/Gigasampler format engine:
305        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
306          behaviour for start_level_mid.
307        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
308          level (see discussion "GigaStudio LFO compatibility" on mailing list
309          from 2019-09-26 for details).
310        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
311          see discussion "GigaStudio LFO compatibility" on mailing list from
312          2019-09-26 for details).
313        - Format extension: Added support for different LFO wave forms (currently
314          either sine [default], triangle, saw or square).
315        - Format extension: Added support for LFO phase displacement (0°..360°).
316        - Format extension: Added support for flipping LFO polarity on LFO 3
317          (in the original gig format this was only available for LFO 1 and LFO 2).
318        - Format extension: Support for additional filter types:
319          lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
320          bandreject 2-pole.
321        - Fixd potential crash with polynomial interpolator and max. pitch.
322        - If minimum cutoff is defined, remap cutoff controller CC values to really
323          span the entire possible cutoff range (and avoiding a dead controller
324          zone).
325        - Implemented support for loading instrument scripts with 'patch' variables
326          (by patching these script variables with potentially overridden ones by
327          gig Instrument).
328    
329      * SFZ format engine:
330        - Fixed support for regions with loccN/hiccN conditions on more than one
331          MIDI controller.
332    
333      * Benchmarks:
334        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
335          algorithm (since result of 2nd run was not accumulated).
336        - Added benchmark for saw wave (benchmarks/saw.cpp).
337        - Added benchmark for sine wave (benchmarks/sine.cpp).
338        - Added benchmark for square wave (benchmarks/square.cpp).
339        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
340          which are large enough on modern systems.
341    
342    Version 2.1.1 (27 Jul 2019)
343    
344      * Real-time instrument scripts:
345        - Fixed behavior of built-in NKSP functions change_sustain(),
346          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
347          and change_cutoff_release().
348    
349      * general changes:
350        - Only play release trigger samples on sustain pedal up if this behaviour
351          was explicitly requested by the instrument (otherwise only on note-off).
352        - Fixed compiler warnings.
353        - Fixed compilation error when cross-compiling to Mac.
354        - FX Sends: Provide more useful error messages on routing problems
355          (see bug #169).
356        - LSCP doc: Be more clear describing the two distinct approaches
357          of using external vs. internal effects (see bug #169).
358        - "optional" class: Fixed comparison operators.
359    
360      * Gigasampler/GigaStudio format engine:
361        - Format extension: If requested by instrument then don't play release
362          trigger sample on note-off events.
363    
364      * SFZ format engine:
365        - Fixed memory leak when releasing samples
366          (fixes bug #307, patch by Jacek Roszkowski)
367        - Fixed potential crash when a sample is shared by more than one region
368          (fixes bug #308, patch by Jacek Roszkowski).
369        - Opcode 'sample': Added support for built-in sample '*silence'
370          (fixes bug #310, patch by Jacek Roszkowski).
371    
372    Version 2.1.0 (25 Nov 2017)
373    
374      * SFZ format engine:
375        - added support for <global>, <master> and #define (patch by Alby M)
376        - Removed code duplication in SFZ file loading code.
377        - Added support for sfz extension opcode 'script' which may be used to
378          load real-time instrument script file (NKSP script language).
379        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
380        - Fixed unintended volume fade-in of voices under certain conditions.
381        - sfz parser: allow missing space between header and opcode
382    
383      * Gigasampler/GigaStudio format engine:
384        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
385          cutoff settings.
386        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
387          all if an up-pitch of more than 40 semi tones was requested (I don't
388          think there is any stock gig sound that requires this behavior to
389          resemble its original sound).
390        - Added support for controlling whether the individual EGADSR stages may
391          be aborted (as LinuxSampler extension to the original GigaStudio 4
392          format).
393    
394      * general changes:
395        - fixed printf type errors (mostly in debug messages)
396        - use unique_ptr instead of auto_ptr when building with C++11
397        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
398          allowing to sort data efficiently in real-time safe manner.
399        - RTList class: added methods for moving/inserting elements to arbitrary
400          position within a list.
401        - RTList class: added method fromPtr() for creating an Iterator object from
402          a raw element pointer.
403        - Attempt to partly fix resetting engine channels vs. resetting engine, an
404          overall cleanup of the Reset*(), ConnectAudioDevice(),
405          DisconnectAudioDevice() API methods would still be desirable though,
406          because the current situation is still inconsistent and error prone.
407        - Active voices are now internally grouped to "Note" objects, instead of
408          being directly assigned to a keyboard key. This allows more fine graded
409          processing of voices, which is i.e. required for certain instrument
410          script features.
411        - Fix: Release trigger voices were not spawned on sustain pedal up
412          (CC #64) events.
413        - Fix: Release trigger voices can now also distinguish correctly between
414          note-off and sustain pedal up events.
415        - All engines: Increased ramp speed of volume smoother and pan smoother
416          (while slow rate of crossfade smoother is preserved) to allow quick
417          volume and pan changes by instrument scripts for instance.
418        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
419          properly and thus were ignored for certain uses.
420        - Added new C++ API method
421          VirtualMidiDevice::SendChannelPressureToSampler().
422        - windows, 32-bit: fixed potential crashes by making sure the stack in
423          sub threads is 16-byte aligned
424        - fixed numerous compiler warnings
425        - Fixed invalid (note-on) event ID being assigned to new Note objects.
426        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
427          fixes potential undefined behavior.
428        - Fixed Note object leak when triggering notes on keys which did not
429          have a valid sample mapped (fixes bug #252).
430        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
431        - linuxsampler binary fix: option --create-instruments-db ignored
432          subsequent optional argument due to glibc's implementation oddity
433          which expects a "=" sign, but no space between them.
434    
435      * packaging changes:
436        - removed unnecessary dependency to libuuid
437          (originated by libgig's usage of it)
438        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
439          auto detect whether it (sh/c)ould output its messages in color.
440        - Debian: Fixed packaging error about invalid "Source-Version"
441          substitution variable.
442        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
443        - Debian: Added build dependency to libsqlite3-dev for building
444          linuxsampler with instruments DB support.
445    
446      * Real-time instrument scripts:
447        - Implemented scheduler for delayed MIDI events and for suspended scripts.
448        - Built-in script function "wait()": implemented support for function's
449          "duration-us" argument, thus scripts using this function are now
450          correctly resumed after the requested amount of microseconds.
451        - Built-in script function "play_note()": implemented support for
452          function's "duration-us" argument, thus notes triggered with this
453          argument are now correctly released after the requested amount of
454          microseconds.
455        - Fix: script events were not cleared when engine channel was reset,
456          potentially causing undefined behavior.
457        - Fixed crash which happened when trying to reference an undeclared
458          variable.
459        - Built-in script function "play_note()": Added support for passing
460          special value -1 for "duration-us" argument, which will cause the
461          triggered note to be released once the original note was released.
462        - Instrument script classes now exported with the liblinuxsampler C++ API.
463        - Added new API method ScriptVM::syntaxHighlighting() which provides
464          a convenient syntax highlighting backend for external instrument
465          script editor applications.
466        - Added new C++ API class "ScriptVMFactory".
467        - Extended parser issues to provide not only first line and first
468          column, but also last line and last column of issue (thus marking
469          the precise span of the issue within the source code).
470        - Reload script automatically after being modified by an instrument
471          editor.
472        - NKSP language grammar correction: allow empty event handler bodies
473          like "on note end on".
474        - Implemented built-in script function "change_vol()".
475        - Implemented built-in script function "change_tune()".
476        - Implemented built-in script function "change_pan()".
477        - Implemented built-in script function "change_cutoff()".
478        - Implemented built-in script function "change_reso()".
479        - Implemented built-in script function "event_status()".
480        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
481          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
482          "event_status()" function.
483        - NKSP language: Added support for bitwise operators ".or.", ".and."
484          and ".not.".
485        - NKSP language scanner: Fixed IDs matching to require at least one
486          character (i.e. when matching function names or variable names).
487        - NKSP language scanner: disabled unusued rules.
488        - Fixed behavior of play_note() and note_off() functions which must
489          be distinguished engine internally from "real" MIDI note on/off
490          events in order to avoid misbehaviors like hanging notes.
491        - Implemented built-in script variable "$KSP_TIMER".
492        - Implemented built-in script variable "$NKSP_REAL_TIMER".
493        - Implemented built-in script variable "$NKSP_PERF_TIMER".
494        - Implemented built-in script variable "$ENGINE_UPTIME".
495        - Implemented built-in script function "inc()".
496        - Implemented built-in script function "dec()".
497        - NKSP language fix: division expressions were evaluated too often.
498        - NKSP language fix: string concatenation operator was right
499          associative instead of left (to right).
500        - NKSP language correction: allow empty statements in entire language
501          (i.e. "if end if").
502        - Implemented built-in script function "stop_wait()".
503        - Implemented built-in script variable "$NI_CALLBACK_ID".
504        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
505        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
506        - Added support for read-only built-in variables (respectively
507          handled by the script parser).
508        - Added built-in script constant "$NI_CB_TYPE_INIT".
509        - Added built-in script constant "$NI_CB_TYPE_NOTE".
510        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
511        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
512        - NKSP Language: Added support for user defined script functions.
513        - Implemented built-in script function "change_attack()".
514        - Implemented built-in script function "change_decay()".
515        - Implemented built-in script function "change_release()".
516        - Fixed all change_*() built-in script functions to apply their
517          synthesis parameter changes immediately in case the respective note
518          was triggered at the same time, instead of scheduling the parameter
519          change, especially because it would cause some parameter types's
520          changes either to be ramped (i.e. change_vol()) or other types even
521          to have not effect at all (i.e. change_attack()).
522        - Implemented built-in script function "sh_left()".
523        - Implemented built-in script function "sh_right()".
524        - Implemented built-in script function "min()".
525        - Implemented built-in script function "max()".
526        - NKSP Fix: "init" event handler was not always executed when a script
527          was loaded.
528        - NKSP built-in wait() script function: abort script execution if
529          a negative or zero wait time was passed as argument (since this is
530          a common indication of a bug either of the script or even of the
531          engine, which could lead to RT instability or even worse).
532        - ScriptVM: Implemented automatic suspension of RT safety
533          threatening scripts.
534        - Provide more user friendly error messages on syntax errors.
535        - Fixed NKSP parser warning "Not a statement" when assigning an
536          initializer list to an array variable.
537        - Implemented built-in script array variable "%ALL_EVENTS".
538        - Implemented built-in script function "in_range()".
539        - Implemented built-in script function "change_amp_lfo_depth()".
540        - Implemented built-in script function "change_amp_lfo_freq()".
541        - Implemented built-in script function "change_pitch_lfo_depth()".
542        - Implemented built-in script function "change_pitch_lfo_freq()".
543        - Implemented built-in script function "change_vol_time()".
544        - Implemented built-in script function "change_tune_time()".
545        - Implemented built-in script function "fade_in()".
546        - Implemented built-in script function "fade_out()".
547        - Fixed acceptance of wrong data type of parameters passed to built-in
548          script functions "change_vol()", "change_tune()", "change_pan()",
549          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
550          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
551          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
552        - Added built-in script function "get_event_par()" and implemented some
553          of its possible parameter selections.
554        - Added built-in script function "set_event_par()" and implemented some
555          of its possible parameter selections.
556        - Fixed a bunch of scheduler time related bugs.
557        - Fixed polyphonic variables not being reset to zero after usage.
558        - Built-in "ignore_event()" function: argument is now optional, like with
559          built-in function "ignore_controller()".
560        - Implemented built-in script function "change_velo()".
561        - Implemented built-in script function "change_note()".
562        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
563          intuitive behavior if used in combination with "change_vol_time()" or
564          "change_tune_time()" respectively: now tuning/volume changes are only
565          assigned (without delay) immediately to a new note if the respective
566          timing function has not been called before, otherwise the volume/tuning
567          changes are automatically faded (before, only the event's time stamp was
568          relevant).
569         - Implemented built-in script function "array_equal()".
570         - Implemented built-in script function "search()".
571         - Implemented built-in script function "sort()".
572         - NKSP Fix: Never suspend "init" event handlers.
573         - Implemented built-in script function "same_region()" (currently only
574           available for gig format engine).
575         - Added built-in script constant "$NKSP_LINEAR".
576         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
577         - Implemented built-in script function "change_vol_curve()".
578         - Implemented built-in script function "change_tune_curve()".
579         - built-in "play_note()" function now supports a sample playback start
580           offset with argument 3, where special value -1 means to use the regular
581           sample offset as defined by the instrument file.
582         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
583         - Built-in variable $EVENT_NOTE is now a read-only variable.
584         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
585         - built-in "play_note()" function now accepts -2 for its fourth argument
586           (note duration) which means the life time of the note shall be sticked
587           to the requested note number of argument 1.
588         - Fix: built-in "play_note()" function now returns 0 as result value if
589           -1 was passed for its fourth argument (note duration) and the respective
590           parent note is already gone.
591        - Implemented built-in script function "change_play_pos()".
592        - NKSP language: Added support for user declared const array variables.
593        - NKSP language: Raise parser warning if array variable is accessed with
594          an index that exceeds the array's size.
595        - NKSP language fix: Unknown characters were not handled correctly.
596        - NKSP language: Added support for "synchronized .. end synchronized"
597          code blocks.
598        - Implemented built-in script function "abort()" which allows to abort
599          another script handler by passing its callback ID.
600        - Fixed potential memory access bug and potential undefined behavior of
601          "init" event handlers.
602        - Print a time stamp along to each call of built-in function "message()".
603        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
604          to retrieve all code blocks filtered out by the preprocessor.
605        - Added built-in script function "fork()".
606        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
607        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
608        - Fixed potential crash when accessing dynamic built-in array variables.
609        - Added built-in script function "callback_status()".
610        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
611        - Added built-in constant $CALLBACK_STATUS_QUEUE.
612        - Added built-in constant $CALLBACK_STATUS_RUNNING.
613        - Removed max. value limitation of built-in functions "change_attack()",
614          "change_decay()" and "change_release()" to i.e. allow passing 2000000
615          for doubling the respective time.
616        - NKSP script editor syntax highlighting API: Fixed app termination due
617          to a lexer start condition stack underrun.
618        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
619          USE_CODE_IF_NOT() preprocessor statements.
620        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
621          can be set to disable all subsequent built-in "message()" function calls
622          on preprocessor level.
623        - Implemented built-in script function "change_sustain()".
624        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
625          to avoid the editor app to crash on ill-formed text input.
626        - Added built-in script function "change_pan_time()".
627        - Added built-in script function "change_pan_curve()".
628        - Added built-in script function "change_cutoff_attack()".
629        - Added built-in script function "change_cutoff_decay()".
630        - Added built-in script function "change_cutoff_sustain()".
631        - Added built-in script function "change_cutoff_release()".
632        - Added built-in script function "change_cutoff_lfo_depth()".
633        - Added built-in script function "change_cutoff_lfo_freq()".
634    
635      * Instruments DB:
636        - Fixed memory access bug of general DB access code which lead to
637          undefined behavior.
638        - Cleanup of instruments DB file creation and opening code.
639        - The instrument DB path of linuxsampler's --create-instruments-db argument
640          is now optional, if it is missing, then a default location is used.
641        - Added support for scanning SFZ (.sfz) files.
642        - Added support for scanning Sound Font (.sf2) files.
643        - Fixed undefined DB transaction behavior.
644    
645    Version 2.0.0 (15 July 2015)
646    
647    * packaging changes:    * packaging changes:
648      - fixed building with newer MinGW-w64      - fixed building with newer MinGW-w64
# Line 18  Version CVS HEAD (?) Line 659  Version CVS HEAD (?)
659      - Mac OS X: made it possible to specify plugin installation dir to      - Mac OS X: made it possible to specify plugin installation dir to
660        configure        configure
661      - Mac OS X: Makefile fix for the install-strip target      - Mac OS X: Makefile fix for the install-strip target
662        - fixed compilation with gcc 4.7
663        - fixed configure script error with old autoconf versions
664        - lsatomic.h: use gcc provided atomic functions if building with
665          gcc 4.7 and C++11
666        - modernized configure script
667        - fixed linkage error when building with
668          LDFLAGS="-Wl,--no-undefined" (#190)
669        - fixed compilation with Clang 3.2
670        - removed usage of deprecated Automake variable INCLUDES
671        - fixed building with C++11
672        - build fix: ChangeFlagRelaxed.h was missing in makefile
673        - build fix: libsndfile compiler flags were missing in some
674          makefiles
675        - fix for building with bison 3.0 (#202)
676        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
677          on the process's main thread
678        - fixed build error on newer MinGW
679        - support building with older jack versions
680        - support building with spaces in vst sdk path
681        - enabled automake 'subdir-objects' option and moved external
682          source references (vst, au, asio) from makefiles to cpp files,
683          in order to get rid of warnings from automake 1.14
684    
685    * general changes:    * general changes:
686      - Refactoring: moved the independent code from      - Refactoring: moved the independent code from
# Line 43  Version CVS HEAD (?) Line 706  Version CVS HEAD (?)
706        (as suggested by Alex Stone)        (as suggested by Alex Stone)
707      - implemented sine LFO, pulse LFO and saw LFO      - implemented sine LFO, pulse LFO and saw LFO
708      - experimental support for per voice equalization      - experimental support for per voice equalization
709        - added command line option --exec-after-init
710        - Introduced new C++ API method:
711          EngineChannel::InstrumentFileName(int index)
712          allowing to retrieve the whole list of files used for the loaded
713          instrument on an engine channel (a.k.a. part). Some GigaStudio
714          instruments for example are splitted over several files like
715          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
716        - Added new C++ API method Sampler::GetGlobalMaxVoices().
717        - Added new C++ API method Sampler::GetGlobalMaxStreams().
718        - Added new C++ API method Sampler::SetGlobalMaxVoices().
719        - Added new C++ API method Sampler::SetGlobalMaxStreams().
720        - Various "const" and "restrict" optimizations.
721        - all engines: add pan CC value to instrument pan parameter before
722          applying panning, instead of using two separate pan functions in
723          series (#182)
724        - added a lock guard class for exception safe mutex handling and
725          used it everywhere appropriate
726        - Immediately apply scale tuning changes to active voices.
727        - Exposed scale tuning to C++ API (along to the already existing standard
728          SysEx way).
729        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
730          and broken for ppc64. (Seq_cst loads and stores are actually not
731          used in LS, so the bug wasn't noticable.)
732        - lsatomic.h: added ARMv7 support
733        - Added support for multiple MIDI input ports per sampler channel (and
734          added various new C++ methods for this new feature / design change, old
735          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
736          as deprecated but are still there and should provide full behavior
737          backward compatibility).
738        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
739          unsafe and caused compilation error with clang 2.x).
740        - Bugfix: only process the latest MIDI program change event.
741        - Introducing the LSCP shell, which provides convenient control of the
742          sampler from the command line by providing LSCP aware features.
743        - VirtualMidiDevice: Added support for program change.
744        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
745        - VirtualMidiDevice: Added support for pitch bend.
746        - Aftertouch: extended API to explicitly handle channel pressure and
747          polyphonic key pressure events (so far polyphonic pressure was not
748          supported at all, and channel pressure was rerouted as CC128 but not
749          used so far).
750        - Added initial support for real-time instrument scripts. The script VM
751          code is shared by all sampler engine implemementations, however only the
752          gig file format currently provides support for storing instrument scripts
753          (as LinuxSampler extension to the original GigaStudio 4 format).
754    
755    * Gigasampler format engine:    * Gigasampler format engine:
756      - implemented the "round robin keyboard" dimension      - implemented the "round robin keyboard" dimension
# Line 50  Version CVS HEAD (?) Line 758  Version CVS HEAD (?)
758        dimension zones is not a power of two        dimension zones is not a power of two
759      - made round robin use a counter for each region instead of each      - made round robin use a counter for each region instead of each
760        key        key
761        - bugfix: pitch LFO controller "internal+aftertouch" was broken
762        - bugfix: filter keyboard tracking was broken
763        - filter performance fix (an unnecessary copy was made of the
764          filter parameters in each sub fragment)
765        - handle special case when pan parameter in gig file has max or
766          min value
767        - Exclusive Groups: don't ever stop voices of the same note,
768          doesn't sound naturally with a drumkit
769        - fixed EG1 modulation when attack or release is zero
770        - Fixed support for 'aftertouch' attenuation controller.
771        - Fixed crash that happened with velocity split sounds under certain
772          conditions (see also previous commit on libgig).
773        - fixed behaviour of filter LFO
774    
775    * SFZ format engine:    * SFZ format engine:
776      - Initial implementation (not usable yet)      - Initial implementation (not usable yet)
# Line 122  Version CVS HEAD (?) Line 843  Version CVS HEAD (?)
843      - implemented opcodes ampeg_delayccN, ampeg_startccN,      - implemented opcodes ampeg_delayccN, ampeg_startccN,
844        ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,        ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
845        ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY        ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
846      - lfoN_* and egN_* opcodes defined in group sections      - lfoN_* and egN_* opcodes defined in group sections
847        are now taken into account        are now taken into account
848      - implemented curves      - implemented curves
849      - implemented opcodes volume_onccN, volume_curveccN      - implemented opcodes volume_onccN, volume_curveccN
# Line 194  Version CVS HEAD (?) Line 915  Version CVS HEAD (?)
915        lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX        lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
916      - implemented opcodes eq1_vel2freq, eq2_vel2freq,      - implemented opcodes eq1_vel2freq, eq2_vel2freq,
917        eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain        eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
918        - sfz parser: allow double spaces in sample filenames
919        - sfz parser: allow absolute paths for sample filenames
920        - use linear decay and release for filter and pitch EG
921        - bugfix: only the first amp_veltrack definition in a file was
922          used
923        - bugfix: looping was disabled if loop_start was set to 0
924        - allow regions with end=-1 to turn off other regions using the
925          group and off_by opcodes (#168)
926        - made end=0 play the whole sample
927        - fixed support for lochan and hichan opcodes (#155)
928        - fixed crash when using lochan/hichan opcodes (#187)
929        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
930        - added FLAC support (#191)
931        - sfz parser bugfix: lines starting with whitespace were ignored
932        - added amplitude opcode
933        - added support for "#include" instruction
934          (modified patch which was originally posted by Sergey on LS mailing list)
935        - bugfix: generation of velocity curves etc should not be done
936          after each "#include", only after the main file is parsed
937        - bugfix: line numbers in error messages were wrong after "#include"
938        - added support for float and 32 bit sample files
939    
940    * SoundFont format engine:    * SoundFont format engine:
941      - Initial implementation (not usable yet)      - Initial implementation (not usable yet)
# Line 202  Version CVS HEAD (?) Line 944  Version CVS HEAD (?)
944      - fine-tuned amplitude EG (by switching from gig to sfz EG)      - fine-tuned amplitude EG (by switching from gig to sfz EG)
945      - initial implementation of Vibrato LFO and Modulation LFO      - initial implementation of Vibrato LFO and Modulation LFO
946      - initial implementation of cutoff filter      - initial implementation of cutoff filter
947        - use linear decay and release for filter and pitch EG
948    
949    * Gigasampler format engine:    * Host plugins (VST, AU, LV2, DSSI):
     - bugfix: pitch LFO controller "internal+aftertouch" was broken  
     - bugfix: filter keyboard tracking was broken  
     - filter performance fix (an unnecessary copy was made of the  
       filter parameters in each sub fragment)  
   
   * Host plugins:  
950      - AU bugfix: failed to destroy its audio/MIDI devices      - AU bugfix: failed to destroy its audio/MIDI devices
951      - Listen to all interfaces on Mac OS X (INADDR_ANY)      - Listen to all interfaces on Mac OS X (INADDR_ANY)
952      - VST bugfix: If the host called resume() before and after      - VST bugfix: If the host called resume() before and after
# Line 223  Version CVS HEAD (?) Line 960  Version CVS HEAD (?)
960      - VST: made it possible to build the VST plugin for Mac      - VST: made it possible to build the VST plugin for Mac
961      - AU: link AU plugin dynamically if --disable-shared isn't      - AU: link AU plugin dynamically if --disable-shared isn't
962        specified        specified
963        - LV2 "state" extension support (patch by David Robillard)
964        - VST bugfix: instrument loading hang and crashed the host when
965          the plugin was loaded a second time (#174)
966        - plugin bugfix: instrument loading hang when the plugin was
967          loaded a second time (this time it's for Linux and Mac, previous
968          similar fix was for Windows)
969        - thread safety fixes for the instrument loading thread
970        - LV2: use the new lv2 package if present
971        - VST: try to open Fantasia automatically on Linux and Mac too (on
972          Linux, the Fantasia jar should be placed in <prefix>/share/java)
973        - VST: fixed crashes on Linux Ardour and EnergyXT
974        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
975          port and audio channel routing for DSSI plugins are now visible.
976        - LV2: use urid and atom extensions instead of deprecated uri-map
977          and event
978        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
979        - LV2: changed number of output channels to 16 stereo, just like
980          the VST and AU plugins
981        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
982        - LV2: made LV2 plugin buildable on Windows and Mac
983        - VST: implemented retrieval and switching of programs using the
984          sampler's internal MIDI instrument mapping system
985    
986      * Instrument editor interface:
987        - Changed instrument editor plugin interface, providing additional
988          informations like the EngineChannel for which the instrument editor was
989          spawned for. This allows the instrument editors to interact more actively
990          with the sampler.
991    
992    * MIDI driver:    * MIDI driver:
993      - ALSA MIDI driver supports now "NAME" device parameter, for overriding      - ALSA MIDI driver supports now "NAME" device parameter, for overriding
994        the ALSA sequencer client name        the ALSA sequencer client name
995      - removed limit of maximum amount of MIDI ports per MIDI device, since      - removed limit of maximum amount of MIDI ports per MIDI device, since
996        there is no reason for this limit        there is no reason for this limit
997        - MME: fixed memory handling bug found with cppcheck
998        - MME: removed compiler warning
999        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
1000          which allows to retrieve the list of CoreMIDI clients / ports and to connect
1001          to them a la JACK, via the usual sampler APIs
1002        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
1003          the driver will automatically connect to other CoreMIDI clients' ports
1004          (e.g. external MIDI devices being attached to the Mac)
1005        - added support for MIDI note on velocity filter
1006        - CoreMIDI: fixed memory deallocation error
1007        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
1008          virtual keyboards in frontends / instrument editors being stuck.
1009        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
1010        - Implemented missing handling of MIDI "running status".
1011        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
1012        - MME bugfix: driver wasn't closed properly
1013        - CoreMIDI: automatically connect to all input sources by default (driver
1014          parameter "AUTO_BIND").
1015        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
1016        - CoreMIDI: fixed minor memory leak
1017    
1018    * audio driver:    * audio driver:
1019      - ASIO driver fixes for newer gcc versions (fix from PortAudio)      - ASIO driver fixes for newer gcc versions (fix from PortAudio)
1020        - JACK audio: react on sample rate changes.
1021        - JACK audio: react on buffer size changes.
1022        - JACK audio: jack_port_get_buffer() was cached and called outside
1023          RT context.
1024        - ASIO driver: removed compiler warnings
1025        - CoreAudio: fixed minor error handling bug
1026        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
1027        - JACK audio: return the JACK server's current sample rate as default value
1028          for audio device parameter "SAMPLERATE" (fixes #166).
1029    
1030    * LSCP server:    * LSCP server:
1031      - added support for sending MIDI CC messages via LSCP command      - added support for sending MIDI CC messages via LSCP command
# Line 269  Version CVS HEAD (?) Line 1063  Version CVS HEAD (?)
1063      - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",      - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
1064        "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",        "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
1065        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"        "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
1066        - provide comprehensive error messages on LSCP syntax errors
1067          (suggesting expected next non-terminal symbols)
1068        - Fixed client connection not being closed after network errors.
1069    
1070      * LSCP shell:
1071        - Added support for auto correction of obvious and trivial syntax mistakes.
1072        - Added support for auto completion by tab key.
1073        - Show currently available auto completion while typing.
1074        - Added support for browsing command history with up / down keys.
1075        - Show all possible next symbols immediately right to the current command
1076          line while typing (no double tab required for this feature, as it would
1077          be the case in other shells).
1078        - Added support for moving cursor left/right with arrow keys.
1079        - Added support for built-in LSCP reference documentation, which will
1080          automatically show the relevant LSCP reference section on screen as soon
1081          as one specific LSCP command was detected while typing on the command
1082          line.
1083    
1084      * Real-time instrument scripts:
1085        - Implemented built-in script array variable %CC.
1086        - Implemented built-in script int variable $CC_NUM.
1087        - Implemented built-in script int variable $EVENT_NOTE.
1088        - Implemented built-in script int variable $EVENT_VELOCITY.
1089        - Implemented built-in script constant variable $VCC_MONO_AT.
1090        - Implemented built-in script constant variable $VCC_PITCH_BEND.
1091        - Implemented execution of script event handler "init".
1092        - Implemented execution of script event handler "controller".
1093        - Implemented execution of script event handler "note".
1094        - Implemented execution of script event handler "release".
1095        - Implemented built-in script function "play_note()" (only two of the
1096          max. four function arguments are currently implemented yet though).
1097        - Implemented built-in script int variable $EVENT_ID.
1098        - Implemented built-in script function "ignore_event()"
1099        - Implemented built-in script function "ignore_controller()" (may have one
1100          or no argument).
1101        - Implemented built-in script function "set_controller()".
1102        - Added extended script VM for the Gigasampler/GigaStudio format sampler
1103          engine, which extends the general instrument script VM with Giga format
1104          specific variables and functions.
1105        - Giga format scripts: added built-in script int constant variables
1106          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
1107          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
1108          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
1109          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
1110          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
1111          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
1112          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
1113          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
1114          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
1115          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1116        - Giga format scripts: Implemented built-in script function
1117          "gig_set_dim_zone(event_id, dimension, zone)".
1118        - Implemented built-in script int array variable %KEY_DOWN.
1119        - Implemented built-in script function "abs()".
1120        - Implemented built-in script function "random()".
1121        - Implemented built-in script function "num_elements()".
1122        - Implemented built-in script function "note_off()".
1123        - Implemented built-in script function "set_event_mark()".
1124        - Implemented built-in script function "delete_event_mark()".
1125        - Implemented built-in script function "by_marks()".
1126        - Added built-in script int const variables $MARK_1 to $MARK_28.
1127        - Built-in script functions "ignore_event()", "note_off()" and
1128          "gig_set_dim_zone()" now also accept an array of event IDs as argument
1129          (i.e. return value of new script function "by_marks()").
1130        - Pass/preserve polyphonic variable data from respective "note" event
1131          handler to "release" event handler.
1132        - Fixed crash when using built-in script function "by_marks()".
1133    
1134    * Bug fixes:    * Bug fixes:
1135      - Fixed crash which may occur when MIDI key + transpose is out of range      - Fixed crash which may occur when MIDI key + transpose is out of range
# Line 297  Version CVS HEAD (?) Line 1158  Version CVS HEAD (?)
1158        project, slightly adjusted)        project, slightly adjusted)
1159      - fixed crash when trying to create an effect instance with controls      - fixed crash when trying to create an effect instance with controls
1160        which min and/or max values depend on the sample rate        which min and/or max values depend on the sample rate
1161        - fixed bug #162
1162        - bugfix: LADSPA_PATH was not evaluated correctly when containing
1163          multiple paths (#165)
1164        - thread safety fixes for the instrument loading thread
1165        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
1166          (#176)
1167        - more thread safety fixes for the instrument loading thread
1168        - sfz/sf2 engine: fixed crash when using small audio fragment size
1169        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
1170        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
1171          introduced in previous fix)
1172        - fixed crash when a channel received a program change while
1173          playing a note in a key group
1174        - fixed erroneous error message piping in VoiceBase.h
1175          (labelled "Disk stream not available in time")
1176        - Update effects on sample rate & period size changes (to avoid
1177          crashes and noise on such transitions).
1178        - ignore missing LADSPA paths without ignoring valid LADSPA paths
1179          (fixes #208)
1180        - Fixed bug in LSCP grammar definition which caused a statement like
1181          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
1182          practically irrelevant, however it caused problems with the new LSCP
1183          shell's auto completion feature).
1184        - Fixed MIDI program change messages being ignored if quickly executed
1185          after each other (fixes #231).
1186    
1187  Version 1.0.0 (31 July 2009)  Version 1.0.0 (31 July 2009)
1188    
# Line 361  Version 1.0.0 (31 July 2009) Line 1247  Version 1.0.0 (31 July 2009)
1247      - Windows: add the installation directory to the DLL search path      - Windows: add the installation directory to the DLL search path
1248        when loading an editor plugin (solves problems with VST and        when loading an editor plugin (solves problems with VST and
1249        gigedit on systems with other GTK versions installed)        gigedit on systems with other GTK versions installed)
1250        - updated linuxsampler man page
1251    
1252    * audio driver:    * audio driver:
1253      - removed the nonsense audio channel constraint (which was hard coded to      - removed the nonsense audio channel constraint (which was hard coded to

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