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revision 2185 by persson, Sun Jun 19 09:09:38 2011 UTC revision 3639 by schoenebeck, Fri Oct 25 18:46:58 2019 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    
32      * Real-time instrument scripts:
33        - Added method ScriptVM::setExitResultEnabled() which allows to
34          explicitly enable the built-in exit() function to optionally accept
35          one function argument; the value of the passed exit() function
36          argument will then become available by calling
37          VMExecContext::exitResult() after script execution.
38        - 64 bit support for NKSP integer scripts variables (declare $foo).
39        - Variable names, function names and preprocessor condition names must start
40          with a regular character (a-z or A-Z); starting them with a digit or
41          underscore is not allowed.
42        - NKSP parser fix: equal comparison operator "=" and not equal comparison
43          operator "#" must only accept integer operands.
44        - NKSP language: Implemented support for standard units like Hertz, seconds,
45          Bel including support for metric unit prefixes; so one can now e.g.
46          conveniently use numbers in scripts like "5us" meaning "5 microseconds",
47          or e.g. "12kHz" meaning "12 kilo Hertz", or e.g. "-14mdB" meaning
48          "minus 14 Millidecibel", or e.g. "28c" meaning "28 cents" (for tuning).
49        - NKSP language: Introduced "final" operator "!" which is specifically
50          intended for synthesis parameter values to denote that the synthesis
51          parameter value is intended to be the "final" value for that synthesis
52          parameter that should explicitly be used by the engine and thus causing
53          the sampler engine to ignore all other modulation sources for the same
54          synthesis parameter (like e.g. LFO, EG); by simply prefixing a value,
55          variable or formula with this new "!" operator the expression is marked as
56          being "final".
57        - NKSP script editor API: Added support for detecting standard unit tokens
58          and their potential metric prefix token.
59        - NKSP language: Added support for NKSP real number literals and
60          arithmetic operations on them (e.g. "(3.9 + 2.9) / 12.3 - 42.0").
61        - NKSP language: Added support for NKSP real number (floating point) script
62          variables (declare ~foo).
63        - NKSP language: Added support for NKSP real number (floating point) array
64          script variables (declare ?foo[]).
65        - Built-in script function "message()" accepts now real number argument as
66          well.
67        - Added built-in script function "real_to_int()" and its short hand form
68          "int()" for casting from real number to integer in NKSP scripts.
69        - Added built-in script function "int_to_real()" and its short hand form
70          "real()" for casting from integer to real number in NKSP scripts.
71        - Allow built-in exit() function to potentially accept real number type
72          argument as well.
73        - Built-in script functions may have a different return type depending on
74          the arguments passed to the function.
75        - Built-in script function "abs()" optionally accepts and returns real
76          number.
77        - Built-in script functions "min()" and "max()" optionally accept real
78          number arguments and return real number as result in that case.
79        - NKSP VM API: Allow units and 'final'ness to be returned as result from
80          built-in functions (added methods VMFunction::returnUnitType() and
81          VMFunction::returnsFinal() for that purpose which must be implemented by
82          built-in function implementations).
83        - NKSP language: Allow metric unit prefixes of numeric scalar and array
84          variables to be changed freely at runtime (unlike unit types like Hz etc.
85          which are still sticky, parse-time features of variables which cannot be
86          changed at runtime for the intentional sake of determinism).
87        - NKSP language: 'final' values are prohibited for array variables for now
88          (attempt causes a parsers error).
89        - NKSP language: expressions with unit types (e.g. Hz) are prohibited for
90          conditions of runtime control structures like if(), while(), select()
91          (attempt causes a parser error).
92        - NKSP VM API: Allow built-in functions to perform their own, individual
93          parse time checks of arguments going to be passed to the function at
94          runtime (added method VMFunction::checkArgs() for that purpose).
95        - NKSP language: raise parser warning if only one operand of binary
96          operators (like logical 'or' comparison) contain a 'final' value (because
97          it would always yield in a 'final' result in such cases).
98        - NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
99          different metric unit prefixes, which will behave as expected (e.g.
100          result of expression '1000us < 2ms' is true).
101        - NKSP language: Allow adding values with different metric unit prefixes
102          (e.g. result of expression '100Hz + 5kHz' is '5100Hz').
103        - NKSP language: Allow subtracting values with different metric unit
104          prefixes (e.g. result of expression '1ms - 20us' is '980us').
105        - NKSP language: Allow multiplying with any metric unit prefixes
106          (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
107          with unit types on both sides (e.g. '2s * 2s') is still prohibited since
108          we don't have any considerable practical use for a term like '4s^2'
109          (hence any attempt multiplying two unit types still causes parser error).
110        - NKSP language: Allow dividing by any metric unit prefixes and allow
111          division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
112          yields in unit free result '8'). So this is now a way to cast units away
113          e.g. for passing the result to other expressions, certain function calls
114          or variables which are not accepting any units (or that specific unit).
115        - NKSP language: integer arrays and real number arrays can now be converted
116          to strings (e.g. for dumping their content with message() calls for
117          script debugging purposes).
118        - NKSP language: expressions and variables with units are now correctly
119          casted to strings (e.g. with message() calls).
120        - NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
121          unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
122          floating point tolerances into account.
123        - NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
124          VMScalarNumberExpr::evalCastReal().
125        - NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
126          'VMIntArrayExpr' and 'VMRealArrayExpr'.
127        - NKSP VM API: replaced all unitPrefix() (parse time) methods by
128          unitFactor() (runtime) methods.
129        - Built-in function "exit()" supports now returning units and 'final'ness
130          for test cases.
131        - The following built-in functions support now units as well: "abs()",
132          "random()", "inc()", "dec()", "in_range()", "min()", "max()",
133          "real_to_int()", "int()", "int_to_real()" and "real()".
134        - Built-in functions "array_equal()", "search()" and "sort()" support now
135          real number arrays (correctly) as well.
136        - Added individual parse time checks of arguments to be passed to built-in
137          functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
138          "array_equal()" and "search()" specific for their individual purposes.
139        - NKSP VM refactoring: Renamed all methods, functions and classes matching
140          pattern *ScalarNumber* to simply *Number* (that is i.e. classes
141          VMScalarNumberExpr -> VMNumberExpr, ScalarNumberExpr -> NumberExpr,
142          ScalarNumberVariable -> NumberVariable, ScalarNumberBinaryOp ->
143          NumberBinaryOp, VMScalarNumberResultFunction -> VMNumberResultFunction,
144          method VMExpr::asScalarNumberExpr() -> VMExpr::asNumber(), function
145          isScalarNumber() -> isNumber()).
146        - NKSP VM API: Added 4 overridden methods to class VMNumberExpr:
147          evalCastInt(MetricPrefix_t), evalCastInt(MetricPrefix_t,MetricPrefix_t),
148          evalCastReal(MetricPrefix_t), evalCastReal(MetricPrefix_t,MetricPrefix_t)
149          as convenient methods for automatically converting values to expected
150          metric value basis.
151        - Built-in function "wait()" accepts now both integers and real numbers as
152          argument.
153        - NKSP VM API cleanup: Get rid of legacy method
154          VMFunction::argType(vmint iArg) which was already superseded by its new
155          replacement VMFunction::acceptsArgType(vmint iArg, ExprType_t type).
156        - NKSP parser: if wrong argument type was passed to a built-in function and
157          that built-in function accepts more than one data type for the argument,
158          then show all supported data types as parser error message.
159        - Built-in function "play_note()" accepts now real numbers and seconds as
160          unit type as well for its 3rd and 4th function arguments.
161        - The following built-in functions accept now real numbers as well for their
162          2nd function argument: "change_vol()", "change_tune()", "change_cutoff()",
163          "change_attack()", "change_decay()", "change_release()",
164          "change_sustain()", "change_cutoff_attack()", "change_cutoff_decay()",
165          "change_cutoff_sustain()", "change_cutoff_release()",
166          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
167          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
168          "change_pan_time()", "fade_in()", "fade_out()", "change_play_pos()".
169        - Fixed built-in function "change_play_pos()" not having accepted metric
170          prefixes at all.
171        - Fixed the following built-in functions having misinterpreted values given
172          with unit type (for their 2nd argument) as if they were relative values
173          (that is as if they were passed without a unit type): "change_attack()",
174          "change_decay()", "change_release()", "change_cutoff_attack()",
175          "change_cutoff_decay()", "change_cutoff_release()".
176        - Fixed the following built-in functions having applied completely wrong
177          'final' values: "change_sustain()", "change_cutoff_sustain()" (since the
178          respective EGs being their modulation sink assume uint data type with
179          value range 0..1000 instead of 0.0..1.0.
180        - Added individual parse-time checks of function arguments for the following
181          built-in functions: "play_note()", "note_off()", "set_event_mark()",
182          "delete_event_mark()", "by_marks()", "change_cutoff()", "change_attack()",
183          "change_decay()", "change_release()", "change_cutoff_attack()",
184          "change_cutoff_decay()", "change_cutoff_release()",
185          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
186          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()" and
187          "change_pan_time()".
188        - Don't abort function call if unit type was used and at the same time
189          'final' operator was omitted for the primary value argument of the
190          following built-in functions: "change_cutoff()", "change_attack()",
191          "change_decay()", "change_release()", "change_cutoff_attack()",
192          "change_cutoff_decay()", "change_cutoff_release()",
193          "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
194          "change_pitch_lfo_freq()", "change_vol_time()", "change_tune_time()",
195          "change_pan_time()", instead imply 'final'ness at runtime and raise an
196          appropriate parser warning at parse time.
197        - Added built-in real number functions "round()", "ceil()", "floor()",
198          "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()", "sin()",
199          "cos()", "tan()", "asin()", "acos()", "atan()".
200        - Added built-in script real number constant "~NI_MATH_PI".
201        - Added built-in script real number constant "~NI_MATH_E".
202        - NKSP language: Allow unary '+' operator.
203    
204      * test cases:
205        - Fixed compiler errors in test cases.
206        - Updated README for how to compile & run test cases.
207        - Updated test case
208          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
209          expected behaviour of the Mutex class implementation (recursive
210          mutex type).
211        - Added test cases for NKSP core language aspects and core built-in
212          functions.
213        - Fixed thread tests segfaulting on Linux.
214        - NKSP: Added real number test cases for built-in functions exit(),
215          int_to_real(), real(), real_to_int() and int(), as well as for the
216          plus, minus and negate language operators.
217        - Added massive amount of NKSP test cases for standard measuring units and
218          'final' operator usage cases.
219        - Added NKSP test cases for (floating point tolerance aware) real number
220          equalness / unequalness comparison.
221        - Added NKSP int array and real array tests for value assignment and
222          initialization of arrays.
223        - Added NKSP test cases for built-in functions "round()", "ceil()",
224          "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
225          "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
226        - Added NKSP test cases for unary '+' operator.
227    
228      * GigaStudio/Gigasampler format engine:
229        - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
230          behaviour for start_level_mid.
231        - Changed LFO start levels: LFO1 and LFO2 both to mid, LFO3 to max. start
232          level (see discussion "GigaStudio LFO compatibility" on mailing list
233          from 2019-09-26 for details).
234        - Changed default wave form for all 3 LFOs to sine (instead of triangle;
235          see discussion "GigaStudio LFO compatibility" on mailing list from
236          2019-09-26 for details).
237        - Format extension: Added support for different LFO wave forms (currently
238          either sine [default], triangle, saw or square).
239        - Format extension: Added support for LFO phase displacement (0°..360°).
240        - Format extension: Added support for flipping LFO polarity on LFO 3
241          (in the original gig format this was only available for LFO 1 and LFO 2).
242    
243      * SFZ format engine:
244        - Fixed support for regions with loccN/hiccN conditions on more than one
245          MIDI controller.
246    
247      * Benchmarks:
248        - Fixed benchmarks/triang.cpp falsely having favoured "int math abs"
249          algorithm (since result of 2nd run was not accumulated).
250        - Added benchmark for saw wave (benchmarks/saw.cpp).
251        - Added benchmark for sine wave (benchmarks/sine.cpp).
252        - Added benchmark for square wave (benchmarks/square.cpp).
253        - Increased amount of benchmarks runs by factor 6 to achieve benchmark times
254          which are large enough on modern systems.
255    
256    Version 2.1.1 (27 Jul 2019)
257    
258      * Real-time instrument scripts:
259        - Fixed behavior of built-in NKSP functions change_sustain(),
260          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
261          and change_cutoff_release().
262    
263      * general changes:
264        - Only play release trigger samples on sustain pedal up if this behaviour
265          was explicitly requested by the instrument (otherwise only on note-off).
266        - Fixed compiler warnings.
267        - Fixed compilation error when cross-compiling to Mac.
268        - FX Sends: Provide more useful error messages on routing problems
269          (see bug #169).
270        - LSCP doc: Be more clear describing the two distinct approaches
271          of using external vs. internal effects (see bug #169).
272        - "optional" class: Fixed comparison operators.
273    
274      * Gigasampler/GigaStudio format engine:
275        - Format extension: If requested by instrument then don't play release
276          trigger sample on note-off events.
277    
278      * SFZ format engine:
279        - Fixed memory leak when releasing samples
280          (fixes bug #307, patch by Jacek Roszkowski)
281        - Fixed potential crash when a sample is shared by more than one region
282          (fixes bug #308, patch by Jacek Roszkowski).
283        - Opcode 'sample': Added support for built-in sample '*silence'
284          (fixes bug #310, patch by Jacek Roszkowski).
285    
286    Version 2.1.0 (25 Nov 2017)
287    
288      * SFZ format engine:
289        - added support for <global>, <master> and #define (patch by Alby M)
290        - Removed code duplication in SFZ file loading code.
291        - Added support for sfz extension opcode 'script' which may be used to
292          load real-time instrument script file (NKSP script language).
293        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
294        - Fixed unintended volume fade-in of voices under certain conditions.
295        - sfz parser: allow missing space between header and opcode
296    
297      * Gigasampler/GigaStudio format engine:
298        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
299          cutoff settings.
300        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
301          all if an up-pitch of more than 40 semi tones was requested (I don't
302          think there is any stock gig sound that requires this behavior to
303          resemble its original sound).
304        - Added support for controlling whether the individual EGADSR stages may
305          be aborted (as LinuxSampler extension to the original GigaStudio 4
306          format).
307    
308      * general changes:
309        - fixed printf type errors (mostly in debug messages)
310        - use unique_ptr instead of auto_ptr when building with C++11
311        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
312          allowing to sort data efficiently in real-time safe manner.
313        - RTList class: added methods for moving/inserting elements to arbitrary
314          position within a list.
315        - RTList class: added method fromPtr() for creating an Iterator object from
316          a raw element pointer.
317        - Attempt to partly fix resetting engine channels vs. resetting engine, an
318          overall cleanup of the Reset*(), ConnectAudioDevice(),
319          DisconnectAudioDevice() API methods would still be desirable though,
320          because the current situation is still inconsistent and error prone.
321        - Active voices are now internally grouped to "Note" objects, instead of
322          being directly assigned to a keyboard key. This allows more fine graded
323          processing of voices, which is i.e. required for certain instrument
324          script features.
325        - Fix: Release trigger voices were not spawned on sustain pedal up
326          (CC #64) events.
327        - Fix: Release trigger voices can now also distinguish correctly between
328          note-off and sustain pedal up events.
329        - All engines: Increased ramp speed of volume smoother and pan smoother
330          (while slow rate of crossfade smoother is preserved) to allow quick
331          volume and pan changes by instrument scripts for instance.
332        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
333          properly and thus were ignored for certain uses.
334        - Added new C++ API method
335          VirtualMidiDevice::SendChannelPressureToSampler().
336        - windows, 32-bit: fixed potential crashes by making sure the stack in
337          sub threads is 16-byte aligned
338        - fixed numerous compiler warnings
339        - Fixed invalid (note-on) event ID being assigned to new Note objects.
340        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
341          fixes potential undefined behavior.
342        - Fixed Note object leak when triggering notes on keys which did not
343          have a valid sample mapped (fixes bug #252).
344        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
345        - linuxsampler binary fix: option --create-instruments-db ignored
346          subsequent optional argument due to glibc's implementation oddity
347          which expects a "=" sign, but no space between them.
348    
349      * packaging changes:
350        - removed unnecessary dependency to libuuid
351          (originated by libgig's usage of it)
352        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
353          auto detect whether it (sh/c)ould output its messages in color.
354        - Debian: Fixed packaging error about invalid "Source-Version"
355          substitution variable.
356        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
357        - Debian: Added build dependency to libsqlite3-dev for building
358          linuxsampler with instruments DB support.
359    
360      * Real-time instrument scripts:
361        - Implemented scheduler for delayed MIDI events and for suspended scripts.
362        - Built-in script function "wait()": implemented support for function's
363          "duration-us" argument, thus scripts using this function are now
364          correctly resumed after the requested amount of microseconds.
365        - Built-in script function "play_note()": implemented support for
366          function's "duration-us" argument, thus notes triggered with this
367          argument are now correctly released after the requested amount of
368          microseconds.
369        - Fix: script events were not cleared when engine channel was reset,
370          potentially causing undefined behavior.
371        - Fixed crash which happened when trying to reference an undeclared
372          variable.
373        - Built-in script function "play_note()": Added support for passing
374          special value -1 for "duration-us" argument, which will cause the
375          triggered note to be released once the original note was released.
376        - Instrument script classes now exported with the liblinuxsampler C++ API.
377        - Added new API method ScriptVM::syntaxHighlighting() which provides
378          a convenient syntax highlighting backend for external instrument
379          script editor applications.
380        - Added new C++ API class "ScriptVMFactory".
381        - Extended parser issues to provide not only first line and first
382          column, but also last line and last column of issue (thus marking
383          the precise span of the issue within the source code).
384        - Reload script automatically after being modified by an instrument
385          editor.
386        - NKSP language grammar correction: allow empty event handler bodies
387          like "on note end on".
388        - Implemented built-in script function "change_vol()".
389        - Implemented built-in script function "change_tune()".
390        - Implemented built-in script function "change_pan()".
391        - Implemented built-in script function "change_cutoff()".
392        - Implemented built-in script function "change_reso()".
393        - Implemented built-in script function "event_status()".
394        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
395          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
396          "event_status()" function.
397        - NKSP language: Added support for bitwise operators ".or.", ".and."
398          and ".not.".
399        - NKSP language scanner: Fixed IDs matching to require at least one
400          character (i.e. when matching function names or variable names).
401        - NKSP language scanner: disabled unusued rules.
402        - Fixed behavior of play_note() and note_off() functions which must
403          be distinguished engine internally from "real" MIDI note on/off
404          events in order to avoid misbehaviors like hanging notes.
405        - Implemented built-in script variable "$KSP_TIMER".
406        - Implemented built-in script variable "$NKSP_REAL_TIMER".
407        - Implemented built-in script variable "$NKSP_PERF_TIMER".
408        - Implemented built-in script variable "$ENGINE_UPTIME".
409        - Implemented built-in script function "inc()".
410        - Implemented built-in script function "dec()".
411        - NKSP language fix: division expressions were evaluated too often.
412        - NKSP language fix: string concatenation operator was right
413          associative instead of left (to right).
414        - NKSP language correction: allow empty statements in entire language
415          (i.e. "if end if").
416        - Implemented built-in script function "stop_wait()".
417        - Implemented built-in script variable "$NI_CALLBACK_ID".
418        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
419        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
420        - Added support for read-only built-in variables (respectively
421          handled by the script parser).
422        - Added built-in script constant "$NI_CB_TYPE_INIT".
423        - Added built-in script constant "$NI_CB_TYPE_NOTE".
424        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
425        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
426        - NKSP Language: Added support for user defined script functions.
427        - Implemented built-in script function "change_attack()".
428        - Implemented built-in script function "change_decay()".
429        - Implemented built-in script function "change_release()".
430        - Fixed all change_*() built-in script functions to apply their
431          synthesis parameter changes immediately in case the respective note
432          was triggered at the same time, instead of scheduling the parameter
433          change, especially because it would cause some parameter types's
434          changes either to be ramped (i.e. change_vol()) or other types even
435          to have not effect at all (i.e. change_attack()).
436        - Implemented built-in script function "sh_left()".
437        - Implemented built-in script function "sh_right()".
438        - Implemented built-in script function "min()".
439        - Implemented built-in script function "max()".
440        - NKSP Fix: "init" event handler was not always executed when a script
441          was loaded.
442        - NKSP built-in wait() script function: abort script execution if
443          a negative or zero wait time was passed as argument (since this is
444          a common indication of a bug either of the script or even of the
445          engine, which could lead to RT instability or even worse).
446        - ScriptVM: Implemented automatic suspension of RT safety
447          threatening scripts.
448        - Provide more user friendly error messages on syntax errors.
449        - Fixed NKSP parser warning "Not a statement" when assigning an
450          initializer list to an array variable.
451        - Implemented built-in script array variable "%ALL_EVENTS".
452        - Implemented built-in script function "in_range()".
453        - Implemented built-in script function "change_amp_lfo_depth()".
454        - Implemented built-in script function "change_amp_lfo_freq()".
455        - Implemented built-in script function "change_pitch_lfo_depth()".
456        - Implemented built-in script function "change_pitch_lfo_freq()".
457        - Implemented built-in script function "change_vol_time()".
458        - Implemented built-in script function "change_tune_time()".
459        - Implemented built-in script function "fade_in()".
460        - Implemented built-in script function "fade_out()".
461        - Fixed acceptance of wrong data type of parameters passed to built-in
462          script functions "change_vol()", "change_tune()", "change_pan()",
463          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
464          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
465          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
466        - Added built-in script function "get_event_par()" and implemented some
467          of its possible parameter selections.
468        - Added built-in script function "set_event_par()" and implemented some
469          of its possible parameter selections.
470        - Fixed a bunch of scheduler time related bugs.
471        - Fixed polyphonic variables not being reset to zero after usage.
472        - Built-in "ignore_event()" function: argument is now optional, like with
473          built-in function "ignore_controller()".
474        - Implemented built-in script function "change_velo()".
475        - Implemented built-in script function "change_note()".
476        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
477          intuitive behavior if used in combination with "change_vol_time()" or
478          "change_tune_time()" respectively: now tuning/volume changes are only
479          assigned (without delay) immediately to a new note if the respective
480          timing function has not been called before, otherwise the volume/tuning
481          changes are automatically faded (before, only the event's time stamp was
482          relevant).
483         - Implemented built-in script function "array_equal()".
484         - Implemented built-in script function "search()".
485         - Implemented built-in script function "sort()".
486         - NKSP Fix: Never suspend "init" event handlers.
487         - Implemented built-in script function "same_region()" (currently only
488           available for gig format engine).
489         - Added built-in script constant "$NKSP_LINEAR".
490         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
491         - Implemented built-in script function "change_vol_curve()".
492         - Implemented built-in script function "change_tune_curve()".
493         - built-in "play_note()" function now supports a sample playback start
494           offset with argument 3, where special value -1 means to use the regular
495           sample offset as defined by the instrument file.
496         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
497         - Built-in variable $EVENT_NOTE is now a read-only variable.
498         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
499         - built-in "play_note()" function now accepts -2 for its fourth argument
500           (note duration) which means the life time of the note shall be sticked
501           to the requested note number of argument 1.
502         - Fix: built-in "play_note()" function now returns 0 as result value if
503           -1 was passed for its fourth argument (note duration) and the respective
504           parent note is already gone.
505        - Implemented built-in script function "change_play_pos()".
506        - NKSP language: Added support for user declared const array variables.
507        - NKSP language: Raise parser warning if array variable is accessed with
508          an index that exceeds the array's size.
509        - NKSP language fix: Unknown characters were not handled correctly.
510        - NKSP language: Added support for "synchronized .. end synchronized"
511          code blocks.
512        - Implemented built-in script function "abort()" which allows to abort
513          another script handler by passing its callback ID.
514        - Fixed potential memory access bug and potential undefined behavior of
515          "init" event handlers.
516        - Print a time stamp along to each call of built-in function "message()".
517        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
518          to retrieve all code blocks filtered out by the preprocessor.
519        - Added built-in script function "fork()".
520        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
521        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
522        - Fixed potential crash when accessing dynamic built-in array variables.
523        - Added built-in script function "callback_status()".
524        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
525        - Added built-in constant $CALLBACK_STATUS_QUEUE.
526        - Added built-in constant $CALLBACK_STATUS_RUNNING.
527        - Removed max. value limitation of built-in functions "change_attack()",
528          "change_decay()" and "change_release()" to i.e. allow passing 2000000
529          for doubling the respective time.
530        - NKSP script editor syntax highlighting API: Fixed app termination due
531          to a lexer start condition stack underrun.
532        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
533          USE_CODE_IF_NOT() preprocessor statements.
534        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
535          can be set to disable all subsequent built-in "message()" function calls
536          on preprocessor level.
537        - Implemented built-in script function "change_sustain()".
538        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
539          to avoid the editor app to crash on ill-formed text input.
540        - Added built-in script function "change_pan_time()".
541        - Added built-in script function "change_pan_curve()".
542        - Added built-in script function "change_cutoff_attack()".
543        - Added built-in script function "change_cutoff_decay()".
544        - Added built-in script function "change_cutoff_sustain()".
545        - Added built-in script function "change_cutoff_release()".
546        - Added built-in script function "change_cutoff_lfo_depth()".
547        - Added built-in script function "change_cutoff_lfo_freq()".
548    
549      * Instruments DB:
550        - Fixed memory access bug of general DB access code which lead to
551          undefined behavior.
552        - Cleanup of instruments DB file creation and opening code.
553        - The instrument DB path of linuxsampler's --create-instruments-db argument
554          is now optional, if it is missing, then a default location is used.
555        - Added support for scanning SFZ (.sfz) files.
556        - Added support for scanning Sound Font (.sf2) files.
557        - Fixed undefined DB transaction behavior.
558    
559    Version 2.0.0 (15 July 2015)
560    
561    * packaging changes:    * packaging changes:
562      - fixed building with newer MinGW-w64      - fixed building with newer MinGW-w64
# Line 11  Version CVS HEAD (?) Line 566  Version CVS HEAD (?)
566        doing "make dist"        doing "make dist"
567      - removed empty directories left from the cvs to svn migration      - removed empty directories left from the cvs to svn migration
568      - fixed compilation with gcc 4.6.1      - fixed compilation with gcc 4.6.1
569      - another "make dist" fix, for LV2 plugin      - another "make dist" fix, for the LV2 plugin
570      - made --enable-pthread-testcancel default on Mac OS X      - made --enable-pthread-testcancel default on Mac OS X
571        - minor Makefile fix for building lscpparser when build and source
572          directories are separate
573        - Mac OS X: made it possible to specify plugin installation dir to
574          configure
575        - Mac OS X: Makefile fix for the install-strip target
576        - fixed compilation with gcc 4.7
577        - fixed configure script error with old autoconf versions
578        - lsatomic.h: use gcc provided atomic functions if building with
579          gcc 4.7 and C++11
580        - modernized configure script
581        - fixed linkage error when building with
582          LDFLAGS="-Wl,--no-undefined" (#190)
583        - fixed compilation with Clang 3.2
584        - removed usage of deprecated Automake variable INCLUDES
585        - fixed building with C++11
586        - build fix: ChangeFlagRelaxed.h was missing in makefile
587        - build fix: libsndfile compiler flags were missing in some
588          makefiles
589        - fix for building with bison 3.0 (#202)
590        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
591          on the process's main thread
592        - fixed build error on newer MinGW
593        - support building with older jack versions
594        - support building with spaces in vst sdk path
595        - enabled automake 'subdir-objects' option and moved external
596          source references (vst, au, asio) from makefiles to cpp files,
597          in order to get rid of warnings from automake 1.14
598    
599    * general changes:    * general changes:
600      - Refactoring: moved the independent code from      - Refactoring: moved the independent code from
# Line 36  Version CVS HEAD (?) Line 618  Version CVS HEAD (?)
618      - implemented support for internal LADSPA effects      - implemented support for internal LADSPA effects
619      - raised limit of program change queue from 100 to 512      - raised limit of program change queue from 100 to 512
620        (as suggested by Alex Stone)        (as suggested by Alex Stone)
621        - implemented sine LFO, pulse LFO and saw LFO
622        - experimental support for per voice equalization
623        - added command line option --exec-after-init
624        - Introduced new C++ API method:
625          EngineChannel::InstrumentFileName(int index)
626          allowing to retrieve the whole list of files used for the loaded
627          instrument on an engine channel (a.k.a. part). Some GigaStudio
628          instruments for example are splitted over several files like
629          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
630        - Added new C++ API method Sampler::GetGlobalMaxVoices().
631        - Added new C++ API method Sampler::GetGlobalMaxStreams().
632        - Added new C++ API method Sampler::SetGlobalMaxVoices().
633        - Added new C++ API method Sampler::SetGlobalMaxStreams().
634        - Various "const" and "restrict" optimizations.
635        - all engines: add pan CC value to instrument pan parameter before
636          applying panning, instead of using two separate pan functions in
637          series (#182)
638        - added a lock guard class for exception safe mutex handling and
639          used it everywhere appropriate
640        - Immediately apply scale tuning changes to active voices.
641        - Exposed scale tuning to C++ API (along to the already existing standard
642          SysEx way).
643        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
644          and broken for ppc64. (Seq_cst loads and stores are actually not
645          used in LS, so the bug wasn't noticable.)
646        - lsatomic.h: added ARMv7 support
647        - Added support for multiple MIDI input ports per sampler channel (and
648          added various new C++ methods for this new feature / design change, old
649          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
650          as deprecated but are still there and should provide full behavior
651          backward compatibility).
652        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
653          unsafe and caused compilation error with clang 2.x).
654        - Bugfix: only process the latest MIDI program change event.
655        - Introducing the LSCP shell, which provides convenient control of the
656          sampler from the command line by providing LSCP aware features.
657        - VirtualMidiDevice: Added support for program change.
658        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
659        - VirtualMidiDevice: Added support for pitch bend.
660        - Aftertouch: extended API to explicitly handle channel pressure and
661          polyphonic key pressure events (so far polyphonic pressure was not
662          supported at all, and channel pressure was rerouted as CC128 but not
663          used so far).
664        - Added initial support for real-time instrument scripts. The script VM
665          code is shared by all sampler engine implemementations, however only the
666          gig file format currently provides support for storing instrument scripts
667          (as LinuxSampler extension to the original GigaStudio 4 format).
668    
669    * Gigasampler format engine:    * Gigasampler format engine:
670      - implemented the "round robin keyboard" dimension      - implemented the "round robin keyboard" dimension
# Line 43  Version CVS HEAD (?) Line 672  Version CVS HEAD (?)
672        dimension zones is not a power of two        dimension zones is not a power of two
673      - made round robin use a counter for each region instead of each      - made round robin use a counter for each region instead of each
674        key        key
675        - bugfix: pitch LFO controller "internal+aftertouch" was broken
676        - bugfix: filter keyboard tracking was broken
677        - filter performance fix (an unnecessary copy was made of the
678          filter parameters in each sub fragment)
679        - handle special case when pan parameter in gig file has max or
680          min value
681        - Exclusive Groups: don't ever stop voices of the same note,
682          doesn't sound naturally with a drumkit
683        - fixed EG1 modulation when attack or release is zero
684        - Fixed support for 'aftertouch' attenuation controller.
685        - Fixed crash that happened with velocity split sounds under certain
686          conditions (see also previous commit on libgig).
687        - fixed behaviour of filter LFO
688    
689    * SFZ format engine:    * SFZ format engine:
690      - Initial implementation (not usable yet)      - Initial implementation (not usable yet)
# Line 87  Version CVS HEAD (?) Line 729  Version CVS HEAD (?)
729      - added support for velocity effect on amplifier envelope time      - added support for velocity effect on amplifier envelope time
730        (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and        (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
731        ampeg_vel2release)        ampeg_vel2release)
732        - added support for EG hold (ampeg_hold)
733        - added support for sample offset (offset)
734        - use the newly introduced signal units model
735        - implemented opcodes lfoN_delay,
736          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
737        - implemented opcodes ampeg_delay, ampeg_vel2delay
738          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
739          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
740          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
741          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
742        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
743          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
744          amplfo_delay, amplfo_freq, amplfo_depth
745        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
746          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
747          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
748          fileg_vel2release
749        - implemented opcode lfoN_wave
750        - implemented opcode pitchlfo_depthccN
751        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
752          lfoN_pitch, lfoN_pitch_onccX
753        - implemented opcodes pitchlfo_fade,
754          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
755        - implemented opcodes fillfo_freqccN,
756          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
757        - implemented opcodes ampeg_delayccN, ampeg_startccN,
758          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
759          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
760        - lfoN_* and egN_* opcodes defined in group sections
761          are now taken into account
762        - implemented curves
763        - implemented opcodes volume_onccN, volume_curveccN
764        - implemented opcode volume_smoothccN
765        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
766          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
767          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
768          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
769          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
770        - implemented opcode end
771        - implemented opcodes egN_amplitude_onccX,
772          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
773          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
774        - implemented opcodes xfin_lokey, xfin_hikey,
775          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
776          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
777          xfout_loccN, xfout_hiccN, xf_cccurve
778        - implemented opcodes pan_onccN, pan_smoothccN,
779          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
780          egN_pan_curveccX, pitch_veltrack
781        - when failed to parse a sfz file
782          print the line number on which the error occurs
783        - use common pool of CC objects to minimize RAM usage
784        - implemented opcodes amplfo_delay_onccN,
785          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
786          pitchlfo_delay_onccN, pitchlfo_fade_onccN
787        - implemented opcodes fileg_delay_onccN,
788          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
789          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
790          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
791          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
792          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
793        - implemented automatic aliasing *ccN <-> *_onccN
794        - *lfo_freqccN wasn't working when the respective *lfo_freq
795          was not set or was set to zero
796        - lfoN_freq_onccX wasn't working when lfoN_freq
797          was not set or was set to zero
798        - implemented opcodes resonance_onccN, resonance_smoothccN,
799          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
800        - implemented opcodes fillfo_depthchanaft,
801          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
802          pitchlfo_depthchanaft, pitchlfo_freqchanaft
803        - implemented opcodes pitch_onccN,
804          pitch_curveccN, pitch_smoothccN, pitch_stepccN
805        - implemented opcodes volume_stepccN, pan_stepccN,
806          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
807          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
808          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
809        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
810          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
811          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
812          eq1_gainccN, eq2_gainccN, eq3_gainccN
813        - implemented opcodes delay, delay_onccN, delay_random,
814          delay_samples, delay_samples_onccN
815        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
816          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
817          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
818          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
819          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
820          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
821          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
822          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
823          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
824          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
825          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
826          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
827          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
828          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
829          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
830        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
831          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
832        - sfz parser: allow double spaces in sample filenames
833        - sfz parser: allow absolute paths for sample filenames
834        - use linear decay and release for filter and pitch EG
835        - bugfix: only the first amp_veltrack definition in a file was
836          used
837        - bugfix: looping was disabled if loop_start was set to 0
838        - allow regions with end=-1 to turn off other regions using the
839          group and off_by opcodes (#168)
840        - made end=0 play the whole sample
841        - fixed support for lochan and hichan opcodes (#155)
842        - fixed crash when using lochan/hichan opcodes (#187)
843        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
844        - added FLAC support (#191)
845        - sfz parser bugfix: lines starting with whitespace were ignored
846        - added amplitude opcode
847        - added support for "#include" instruction
848          (modified patch which was originally posted by Sergey on LS mailing list)
849        - bugfix: generation of velocity curves etc should not be done
850          after each "#include", only after the main file is parsed
851        - bugfix: line numbers in error messages were wrong after "#include"
852        - added support for float and 32 bit sample files
853    
854    * SoundFont format engine:    * SoundFont format engine:
855      - Initial implementation (not usable yet)      - Initial implementation (not usable yet)
856      - RT-safeness: avoid malloc in audio thread      - RT-safeness: avoid malloc in audio thread
857      - fixed a bug that could cause voice stealing to fail      - fixed a bug that could cause voice stealing to fail
858        - fine-tuned amplitude EG (by switching from gig to sfz EG)
859        - initial implementation of Vibrato LFO and Modulation LFO
860        - initial implementation of cutoff filter
861        - use linear decay and release for filter and pitch EG
862    
863    * 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:  
864      - AU bugfix: failed to destroy its audio/MIDI devices      - AU bugfix: failed to destroy its audio/MIDI devices
865      - Listen to all interfaces on Mac OS X (INADDR_ANY)      - Listen to all interfaces on Mac OS X (INADDR_ANY)
866      - VST bugfix: If the host called resume() before and after      - VST bugfix: If the host called resume() before and after
# Line 108  Version CVS HEAD (?) Line 869  Version CVS HEAD (?)
869      - save engine type (gig, sfz or sf2) in plugin state      - save engine type (gig, sfz or sf2) in plugin state
870      - VST: when opening Fantasia, look for both 32 and 64 bit Java on      - VST: when opening Fantasia, look for both 32 and 64 bit Java on
871        64 bit Windows        64 bit Windows
872        - AU: changed number of output channels from one stereo to 16
873          stereo
874        - VST: made it possible to build the VST plugin for Mac
875        - AU: link AU plugin dynamically if --disable-shared isn't
876          specified
877        - LV2 "state" extension support (patch by David Robillard)
878        - VST bugfix: instrument loading hang and crashed the host when
879          the plugin was loaded a second time (#174)
880        - plugin bugfix: instrument loading hang when the plugin was
881          loaded a second time (this time it's for Linux and Mac, previous
882          similar fix was for Windows)
883        - thread safety fixes for the instrument loading thread
884        - LV2: use the new lv2 package if present
885        - VST: try to open Fantasia automatically on Linux and Mac too (on
886          Linux, the Fantasia jar should be placed in <prefix>/share/java)
887        - VST: fixed crashes on Linux Ardour and EnergyXT
888        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
889          port and audio channel routing for DSSI plugins are now visible.
890        - LV2: use urid and atom extensions instead of deprecated uri-map
891          and event
892        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
893        - LV2: changed number of output channels to 16 stereo, just like
894          the VST and AU plugins
895        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
896        - LV2: made LV2 plugin buildable on Windows and Mac
897        - VST: implemented retrieval and switching of programs using the
898          sampler's internal MIDI instrument mapping system
899    
900      * Instrument editor interface:
901        - Changed instrument editor plugin interface, providing additional
902          informations like the EngineChannel for which the instrument editor was
903          spawned for. This allows the instrument editors to interact more actively
904          with the sampler.
905    
906    * MIDI driver:    * MIDI driver:
907      - ALSA MIDI driver supports now "NAME" device parameter, for overriding      - ALSA MIDI driver supports now "NAME" device parameter, for overriding
908        the ALSA sequencer client name        the ALSA sequencer client name
909      - removed limit of maximum amount of MIDI ports per MIDI device, since      - removed limit of maximum amount of MIDI ports per MIDI device, since
910        there is no reason for this limit        there is no reason for this limit
911        - MME: fixed memory handling bug found with cppcheck
912        - MME: removed compiler warning
913        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
914          which allows to retrieve the list of CoreMIDI clients / ports and to connect
915          to them a la JACK, via the usual sampler APIs
916        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
917          the driver will automatically connect to other CoreMIDI clients' ports
918          (e.g. external MIDI devices being attached to the Mac)
919        - added support for MIDI note on velocity filter
920        - CoreMIDI: fixed memory deallocation error
921        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
922          virtual keyboards in frontends / instrument editors being stuck.
923        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
924        - Implemented missing handling of MIDI "running status".
925        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
926        - MME bugfix: driver wasn't closed properly
927        - CoreMIDI: automatically connect to all input sources by default (driver
928          parameter "AUTO_BIND").
929        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
930        - CoreMIDI: fixed minor memory leak
931    
932    * audio driver:    * audio driver:
933      - ASIO driver fixes for newer gcc versions (fix from PortAudio)      - ASIO driver fixes for newer gcc versions (fix from PortAudio)
934        - JACK audio: react on sample rate changes.
935        - JACK audio: react on buffer size changes.
936        - JACK audio: jack_port_get_buffer() was cached and called outside
937          RT context.
938        - ASIO driver: removed compiler warnings
939        - CoreAudio: fixed minor error handling bug
940        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
941        - JACK audio: return the JACK server's current sample rate as default value
942          for audio device parameter "SAMPLERATE" (fixes #166).
943    
944    * LSCP server:    * LSCP server:
945      - added support for sending MIDI CC messages via LSCP command      - added support for sending MIDI CC messages via LSCP command
# Line 151  Version CVS HEAD (?) Line 974  Version CVS HEAD (?)
974      - added LSCP command "SET FX_SEND EFFECT <sampler_channel>      - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
975        <fx_send_id> <effect_chain> <chain_pos>"        <fx_send_id> <effect_chain> <chain_pos>"
976      - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"      - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
977        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
978          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
979          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
980        - provide comprehensive error messages on LSCP syntax errors
981          (suggesting expected next non-terminal symbols)
982        - Fixed client connection not being closed after network errors.
983    
984      * LSCP shell:
985        - Added support for auto correction of obvious and trivial syntax mistakes.
986        - Added support for auto completion by tab key.
987        - Show currently available auto completion while typing.
988        - Added support for browsing command history with up / down keys.
989        - Show all possible next symbols immediately right to the current command
990          line while typing (no double tab required for this feature, as it would
991          be the case in other shells).
992        - Added support for moving cursor left/right with arrow keys.
993        - Added support for built-in LSCP reference documentation, which will
994          automatically show the relevant LSCP reference section on screen as soon
995          as one specific LSCP command was detected while typing on the command
996          line.
997    
998      * Real-time instrument scripts:
999        - Implemented built-in script array variable %CC.
1000        - Implemented built-in script int variable $CC_NUM.
1001        - Implemented built-in script int variable $EVENT_NOTE.
1002        - Implemented built-in script int variable $EVENT_VELOCITY.
1003        - Implemented built-in script constant variable $VCC_MONO_AT.
1004        - Implemented built-in script constant variable $VCC_PITCH_BEND.
1005        - Implemented execution of script event handler "init".
1006        - Implemented execution of script event handler "controller".
1007        - Implemented execution of script event handler "note".
1008        - Implemented execution of script event handler "release".
1009        - Implemented built-in script function "play_note()" (only two of the
1010          max. four function arguments are currently implemented yet though).
1011        - Implemented built-in script int variable $EVENT_ID.
1012        - Implemented built-in script function "ignore_event()"
1013        - Implemented built-in script function "ignore_controller()" (may have one
1014          or no argument).
1015        - Implemented built-in script function "set_controller()".
1016        - Added extended script VM for the Gigasampler/GigaStudio format sampler
1017          engine, which extends the general instrument script VM with Giga format
1018          specific variables and functions.
1019        - Giga format scripts: added built-in script int constant variables
1020          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
1021          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
1022          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
1023          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
1024          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
1025          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
1026          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
1027          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
1028          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
1029          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
1030        - Giga format scripts: Implemented built-in script function
1031          "gig_set_dim_zone(event_id, dimension, zone)".
1032        - Implemented built-in script int array variable %KEY_DOWN.
1033        - Implemented built-in script function "abs()".
1034        - Implemented built-in script function "random()".
1035        - Implemented built-in script function "num_elements()".
1036        - Implemented built-in script function "note_off()".
1037        - Implemented built-in script function "set_event_mark()".
1038        - Implemented built-in script function "delete_event_mark()".
1039        - Implemented built-in script function "by_marks()".
1040        - Added built-in script int const variables $MARK_1 to $MARK_28.
1041        - Built-in script functions "ignore_event()", "note_off()" and
1042          "gig_set_dim_zone()" now also accept an array of event IDs as argument
1043          (i.e. return value of new script function "by_marks()").
1044        - Pass/preserve polyphonic variable data from respective "note" event
1045          handler to "release" event handler.
1046        - Fixed crash when using built-in script function "by_marks()".
1047    
1048    * Bug fixes:    * Bug fixes:
1049      - 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
1050      - minor valgrind fixes      - minor valgrind fixes
1051      - fixed crash which occured when changing an already deployed sampler      - fixed crash which occurred when changing an already deployed sampler
1052        channel to a different engine type        channel to a different engine type
1053      - fixed crash when deleting a sampler channel or changing engine      - fixed crash when deleting a sampler channel or changing engine
1054        type while an instrument load was in progress        type while an instrument load was in progress
# Line 166  Version CVS HEAD (?) Line 1059  Version CVS HEAD (?)
1059      - Mac OS X: fixed name collision of enum in EffectControl and      - Mac OS X: fixed name collision of enum in EffectControl and
1060        wrong name of destructor in AudioOutputDeviceCoreAudio.cpp        wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
1061      - Mac OS X: fixed hanging threads      - Mac OS X: fixed hanging threads
1062        - Windows: disabled the previous thread fix on non-Mac systems, as
1063          it caused hanging threads on Windows
1064        - Fixed possible crashes due to corrupted MIDI/audio device list
1065          after MIDI/audio device creation failure
1066        - When creating MIDI instrument map entries with "PERSISTENT" type, the
1067          instruments were uselessly precached with zero samples, however it still
1068          took the full preloading time and on 1st program change the respective
1069          instrument was completely reloaded again.
1070        - fixed handling of rapid bank select and program change messages
1071          sent to the same sampler channel (patch from the Open Octave
1072          project, slightly adjusted)
1073        - fixed crash when trying to create an effect instance with controls
1074          which min and/or max values depend on the sample rate
1075        - fixed bug #162
1076        - bugfix: LADSPA_PATH was not evaluated correctly when containing
1077          multiple paths (#165)
1078        - thread safety fixes for the instrument loading thread
1079        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
1080          (#176)
1081        - more thread safety fixes for the instrument loading thread
1082        - sfz/sf2 engine: fixed crash when using small audio fragment size
1083        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
1084        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
1085          introduced in previous fix)
1086        - fixed crash when a channel received a program change while
1087          playing a note in a key group
1088        - fixed erroneous error message piping in VoiceBase.h
1089          (labelled "Disk stream not available in time")
1090        - Update effects on sample rate & period size changes (to avoid
1091          crashes and noise on such transitions).
1092        - ignore missing LADSPA paths without ignoring valid LADSPA paths
1093          (fixes #208)
1094        - Fixed bug in LSCP grammar definition which caused a statement like
1095          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
1096          practically irrelevant, however it caused problems with the new LSCP
1097          shell's auto completion feature).
1098        - Fixed MIDI program change messages being ignored if quickly executed
1099          after each other (fixes #231).
1100    
1101  Version 1.0.0 (31 July 2009)  Version 1.0.0 (31 July 2009)
1102    
# Line 230  Version 1.0.0 (31 July 2009) Line 1161  Version 1.0.0 (31 July 2009)
1161      - Windows: add the installation directory to the DLL search path      - Windows: add the installation directory to the DLL search path
1162        when loading an editor plugin (solves problems with VST and        when loading an editor plugin (solves problems with VST and
1163        gigedit on systems with other GTK versions installed)        gigedit on systems with other GTK versions installed)
1164        - updated linuxsampler man page
1165    
1166    * audio driver:    * audio driver:
1167      - 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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