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revision 1454 by schoenebeck, Fri Oct 19 17:52:15 2007 UTC revision 3551 by schoenebeck, Thu Aug 1 10:22:56 2019 UTC
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1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * general changes:
4        - Fixed compiler error in Pool.h.
5    
6      * Real-time instrument scripts:
7        - Added method ScriptVM::setExitResultEnabled() which allows to
8          explicitly enable the built-in exit() function to optionally accept
9          one function argument; the value of the passed exit() function
10          argument will then become available by calling
11          VMExecContext::exitResult() after script execution.
12    
13      * test cases:
14        - Fixed compiler errors in test cases.
15        - Updated README for how to compile & run test cases.
16        - Updated test case
17          MutexTest::testDoubleLockStillBlocksConcurrentThread() to latest
18          expected behaviour of the Mutex class implementation (recursive
19          mutex type).
20        - Added test cases for NKSP core language aspects and core built-in
21          functions.
22    
23    Version 2.1.1 (27 Jul 2019)
24    
25      * Real-time instrument scripts:
26        - Fixed behavior of built-in NKSP functions change_sustain(),
27          change_cutoff_attack(), change_cutoff_decay(), change_cutoff_sustain()
28          and change_cutoff_release().
29    
30      * general changes:
31        - Only play release trigger samples on sustain pedal up if this behaviour
32          was explicitly requested by the instrument (otherwise only on note-off).
33        - Fixed compiler warnings.
34        - Fixed compilation error when cross-compiling to Mac.
35        - FX Sends: Provide more useful error messages on routing problems
36          (see bug #169).
37        - LSCP doc: Be more clear describing the two distinct approaches
38          of using external vs. internal effects (see bug #169).
39        - "optional" class: Fixed comparison operators.
40    
41      * Gigasampler/GigaStudio format engine:
42        - Format extension: If requested by instrument then don't play release
43          trigger sample on note-off events.
44    
45      * SFZ format engine:
46        - Fixed memory leak when releasing samples
47          (fixes bug #307, patch by Jacek Roszkowski)
48        - Fixed potential crash when a sample is shared by more than one region
49          (fixes bug #308, patch by Jacek Roszkowski).
50        - Opcode 'sample': Added support for built-in sample '*silence'
51          (fixes bug #310, patch by Jacek Roszkowski).
52    
53    Version 2.1.0 (25 Nov 2017)
54    
55      * SFZ format engine:
56        - added support for <global>, <master> and #define (patch by Alby M)
57        - Removed code duplication in SFZ file loading code.
58        - Added support for sfz extension opcode 'script' which may be used to
59          load real-time instrument script file (NKSP script language).
60        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
61        - Fixed unintended volume fade-in of voices under certain conditions.
62        - sfz parser: allow missing space between header and opcode
63    
64      * Gigasampler/GigaStudio format engine:
65        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
66          cutoff settings.
67        - Got rid of resembling an ancient GSt misbehavior which did not pitch at
68          all if an up-pitch of more than 40 semi tones was requested (I don't
69          think there is any stock gig sound that requires this behavior to
70          resemble its original sound).
71        - Added support for controlling whether the individual EGADSR stages may
72          be aborted (as LinuxSampler extension to the original GigaStudio 4
73          format).
74    
75      * general changes:
76        - fixed printf type errors (mostly in debug messages)
77        - use unique_ptr instead of auto_ptr when building with C++11
78        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
79          allowing to sort data efficiently in real-time safe manner.
80        - RTList class: added methods for moving/inserting elements to arbitrary
81          position within a list.
82        - RTList class: added method fromPtr() for creating an Iterator object from
83          a raw element pointer.
84        - Attempt to partly fix resetting engine channels vs. resetting engine, an
85          overall cleanup of the Reset*(), ConnectAudioDevice(),
86          DisconnectAudioDevice() API methods would still be desirable though,
87          because the current situation is still inconsistent and error prone.
88        - Active voices are now internally grouped to "Note" objects, instead of
89          being directly assigned to a keyboard key. This allows more fine graded
90          processing of voices, which is i.e. required for certain instrument
91          script features.
92        - Fix: Release trigger voices were not spawned on sustain pedal up
93          (CC #64) events.
94        - Fix: Release trigger voices can now also distinguish correctly between
95          note-off and sustain pedal up events.
96        - All engines: Increased ramp speed of volume smoother and pan smoother
97          (while slow rate of crossfade smoother is preserved) to allow quick
98          volume and pan changes by instrument scripts for instance.
99        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
100          properly and thus were ignored for certain uses.
101        - Added new C++ API method
102          VirtualMidiDevice::SendChannelPressureToSampler().
103        - windows, 32-bit: fixed potential crashes by making sure the stack in
104          sub threads is 16-byte aligned
105        - fixed numerous compiler warnings
106        - Fixed invalid (note-on) event ID being assigned to new Note objects.
107        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
108          fixes potential undefined behavior.
109        - Fixed Note object leak when triggering notes on keys which did not
110          have a valid sample mapped (fixes bug #252).
111        - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
112        - linuxsampler binary fix: option --create-instruments-db ignored
113          subsequent optional argument due to glibc's implementation oddity
114          which expects a "=" sign, but no space between them.
115    
116      * packaging changes:
117        - removed unnecessary dependency to libuuid
118          (originated by libgig's usage of it)
119        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
120          auto detect whether it (sh/c)ould output its messages in color.
121        - Debian: Fixed packaging error about invalid "Source-Version"
122          substitution variable.
123        - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
124        - Debian: Added build dependency to libsqlite3-dev for building
125          linuxsampler with instruments DB support.
126    
127      * Real-time instrument scripts:
128        - Implemented scheduler for delayed MIDI events and for suspended scripts.
129        - Built-in script function "wait()": implemented support for function's
130          "duration-us" argument, thus scripts using this function are now
131          correctly resumed after the requested amount of microseconds.
132        - Built-in script function "play_note()": implemented support for
133          function's "duration-us" argument, thus notes triggered with this
134          argument are now correctly released after the requested amount of
135          microseconds.
136        - Fix: script events were not cleared when engine channel was reset,
137          potentially causing undefined behavior.
138        - Fixed crash which happened when trying to reference an undeclared
139          variable.
140        - Built-in script function "play_note()": Added support for passing
141          special value -1 for "duration-us" argument, which will cause the
142          triggered note to be released once the original note was released.
143        - Instrument script classes now exported with the liblinuxsampler C++ API.
144        - Added new API method ScriptVM::syntaxHighlighting() which provides
145          a convenient syntax highlighting backend for external instrument
146          script editor applications.
147        - Added new C++ API class "ScriptVMFactory".
148        - Extended parser issues to provide not only first line and first
149          column, but also last line and last column of issue (thus marking
150          the precise span of the issue within the source code).
151        - Reload script automatically after being modified by an instrument
152          editor.
153        - NKSP language grammar correction: allow empty event handler bodies
154          like "on note end on".
155        - Implemented built-in script function "change_vol()".
156        - Implemented built-in script function "change_tune()".
157        - Implemented built-in script function "change_pan()".
158        - Implemented built-in script function "change_cutoff()".
159        - Implemented built-in script function "change_reso()".
160        - Implemented built-in script function "event_status()".
161        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
162          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
163          "event_status()" function.
164        - NKSP language: Added support for bitwise operators ".or.", ".and."
165          and ".not.".
166        - NKSP language scanner: Fixed IDs matching to require at least one
167          character (i.e. when matching function names or variable names).
168        - NKSP language scanner: disabled unusued rules.
169        - Fixed behavior of play_note() and note_off() functions which must
170          be distinguished engine internally from "real" MIDI note on/off
171          events in order to avoid misbehaviors like hanging notes.
172        - Implemented built-in script variable "$KSP_TIMER".
173        - Implemented built-in script variable "$NKSP_REAL_TIMER".
174        - Implemented built-in script variable "$NKSP_PERF_TIMER".
175        - Implemented built-in script variable "$ENGINE_UPTIME".
176        - Implemented built-in script function "inc()".
177        - Implemented built-in script function "dec()".
178        - NKSP language fix: division expressions were evaluated too often.
179        - NKSP language fix: string concatenation operator was right
180          associative instead of left (to right).
181        - NKSP language correction: allow empty statements in entire language
182          (i.e. "if end if").
183        - Implemented built-in script function "stop_wait()".
184        - Implemented built-in script variable "$NI_CALLBACK_ID".
185        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
186        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
187        - Added support for read-only built-in variables (respectively
188          handled by the script parser).
189        - Added built-in script constant "$NI_CB_TYPE_INIT".
190        - Added built-in script constant "$NI_CB_TYPE_NOTE".
191        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
192        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
193        - NKSP Language: Added support for user defined script functions.
194        - Implemented built-in script function "change_attack()".
195        - Implemented built-in script function "change_decay()".
196        - Implemented built-in script function "change_release()".
197        - Fixed all change_*() built-in script functions to apply their
198          synthesis parameter changes immediately in case the respective note
199          was triggered at the same time, instead of scheduling the parameter
200          change, especially because it would cause some parameter types's
201          changes either to be ramped (i.e. change_vol()) or other types even
202          to have not effect at all (i.e. change_attack()).
203        - Implemented built-in script function "sh_left()".
204        - Implemented built-in script function "sh_right()".
205        - Implemented built-in script function "min()".
206        - Implemented built-in script function "max()".
207        - NKSP Fix: "init" event handler was not always executed when a script
208          was loaded.
209        - NKSP built-in wait() script function: abort script execution if
210          a negative or zero wait time was passed as argument (since this is
211          a common indication of a bug either of the script or even of the
212          engine, which could lead to RT instability or even worse).
213        - ScriptVM: Implemented automatic suspension of RT safety
214          threatening scripts.
215        - Provide more user friendly error messages on syntax errors.
216        - Fixed NKSP parser warning "Not a statement" when assigning an
217          initializer list to an array variable.
218        - Implemented built-in script array variable "%ALL_EVENTS".
219        - Implemented built-in script function "in_range()".
220        - Implemented built-in script function "change_amp_lfo_depth()".
221        - Implemented built-in script function "change_amp_lfo_freq()".
222        - Implemented built-in script function "change_pitch_lfo_depth()".
223        - Implemented built-in script function "change_pitch_lfo_freq()".
224        - Implemented built-in script function "change_vol_time()".
225        - Implemented built-in script function "change_tune_time()".
226        - Implemented built-in script function "fade_in()".
227        - Implemented built-in script function "fade_out()".
228        - Fixed acceptance of wrong data type of parameters passed to built-in
229          script functions "change_vol()", "change_tune()", "change_pan()",
230          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
231          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
232          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
233        - Added built-in script function "get_event_par()" and implemented some
234          of its possible parameter selections.
235        - Added built-in script function "set_event_par()" and implemented some
236          of its possible parameter selections.
237        - Fixed a bunch of scheduler time related bugs.
238        - Fixed polyphonic variables not being reset to zero after usage.
239        - Built-in "ignore_event()" function: argument is now optional, like with
240          built-in function "ignore_controller()".
241        - Implemented built-in script function "change_velo()".
242        - Implemented built-in script function "change_note()".
243        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
244          intuitive behavior if used in combination with "change_vol_time()" or
245          "change_tune_time()" respectively: now tuning/volume changes are only
246          assigned (without delay) immediately to a new note if the respective
247          timing function has not been called before, otherwise the volume/tuning
248          changes are automatically faded (before, only the event's time stamp was
249          relevant).
250         - Implemented built-in script function "array_equal()".
251         - Implemented built-in script function "search()".
252         - Implemented built-in script function "sort()".
253         - NKSP Fix: Never suspend "init" event handlers.
254         - Implemented built-in script function "same_region()" (currently only
255           available for gig format engine).
256         - Added built-in script constant "$NKSP_LINEAR".
257         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
258         - Implemented built-in script function "change_vol_curve()".
259         - Implemented built-in script function "change_tune_curve()".
260         - built-in "play_note()" function now supports a sample playback start
261           offset with argument 3, where special value -1 means to use the regular
262           sample offset as defined by the instrument file.
263         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
264         - Built-in variable $EVENT_NOTE is now a read-only variable.
265         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
266         - built-in "play_note()" function now accepts -2 for its fourth argument
267           (note duration) which means the life time of the note shall be sticked
268           to the requested note number of argument 1.
269         - Fix: built-in "play_note()" function now returns 0 as result value if
270           -1 was passed for its fourth argument (note duration) and the respective
271           parent note is already gone.
272        - Implemented built-in script function "change_play_pos()".
273        - NKSP language: Added support for user declared const array variables.
274        - NKSP language: Raise parser warning if array variable is accessed with
275          an index that exceeds the array's size.
276        - NKSP language fix: Unknown characters were not handled correctly.
277        - NKSP language: Added support for "synchronized .. end synchronized"
278          code blocks.
279        - Implemented built-in script function "abort()" which allows to abort
280          another script handler by passing its callback ID.
281        - Fixed potential memory access bug and potential undefined behavior of
282          "init" event handlers.
283        - Print a time stamp along to each call of built-in function "message()".
284        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
285          to retrieve all code blocks filtered out by the preprocessor.
286        - Added built-in script function "fork()".
287        - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
288        - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
289        - Fixed potential crash when accessing dynamic built-in array variables.
290        - Added built-in script function "callback_status()".
291        - Added built-in constant $CALLBACK_STATUS_TERMINATED.
292        - Added built-in constant $CALLBACK_STATUS_QUEUE.
293        - Added built-in constant $CALLBACK_STATUS_RUNNING.
294        - Removed max. value limitation of built-in functions "change_attack()",
295          "change_decay()" and "change_release()" to i.e. allow passing 2000000
296          for doubling the respective time.
297        - NKSP script editor syntax highlighting API: Fixed app termination due
298          to a lexer start condition stack underrun.
299        - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
300          USE_CODE_IF_NOT() preprocessor statements.
301        - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
302          can be set to disable all subsequent built-in "message()" function calls
303          on preprocessor level.
304        - Implemented built-in script function "change_sustain()".
305        - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
306          to avoid the editor app to crash on ill-formed text input.
307        - Added built-in script function "change_pan_time()".
308        - Added built-in script function "change_pan_curve()".
309        - Added built-in script function "change_cutoff_attack()".
310        - Added built-in script function "change_cutoff_decay()".
311        - Added built-in script function "change_cutoff_sustain()".
312        - Added built-in script function "change_cutoff_release()".
313        - Added built-in script function "change_cutoff_lfo_depth()".
314        - Added built-in script function "change_cutoff_lfo_freq()".
315    
316      * Instruments DB:
317        - Fixed memory access bug of general DB access code which lead to
318          undefined behavior.
319        - Cleanup of instruments DB file creation and opening code.
320        - The instrument DB path of linuxsampler's --create-instruments-db argument
321          is now optional, if it is missing, then a default location is used.
322        - Added support for scanning SFZ (.sfz) files.
323        - Added support for scanning Sound Font (.sf2) files.
324        - Fixed undefined DB transaction behavior.
325    
326    Version 2.0.0 (15 July 2015)
327    
328      * packaging changes:
329        - fixed building with newer MinGW-w64
330        - Mac OS X: support the new dir for Core Audio SDK
331        - Mac OS X: fixed building outside source directory
332        - made sure all source files for hostplugins are included when
333          doing "make dist"
334        - removed empty directories left from the cvs to svn migration
335        - fixed compilation with gcc 4.6.1
336        - another "make dist" fix, for the LV2 plugin
337        - made --enable-pthread-testcancel default on Mac OS X
338        - minor Makefile fix for building lscpparser when build and source
339          directories are separate
340        - Mac OS X: made it possible to specify plugin installation dir to
341          configure
342        - Mac OS X: Makefile fix for the install-strip target
343        - fixed compilation with gcc 4.7
344        - fixed configure script error with old autoconf versions
345        - lsatomic.h: use gcc provided atomic functions if building with
346          gcc 4.7 and C++11
347        - modernized configure script
348        - fixed linkage error when building with
349          LDFLAGS="-Wl,--no-undefined" (#190)
350        - fixed compilation with Clang 3.2
351        - removed usage of deprecated Automake variable INCLUDES
352        - fixed building with C++11
353        - build fix: ChangeFlagRelaxed.h was missing in makefile
354        - build fix: libsndfile compiler flags were missing in some
355          makefiles
356        - fix for building with bison 3.0 (#202)
357        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
358          on the process's main thread
359        - fixed build error on newer MinGW
360        - support building with older jack versions
361        - support building with spaces in vst sdk path
362        - enabled automake 'subdir-objects' option and moved external
363          source references (vst, au, asio) from makefiles to cpp files,
364          in order to get rid of warnings from automake 1.14
365    
366      * general changes:
367        - Refactoring: moved the independent code from
368          the Gigasampler format engine to base classes
369        - command line option '--profile' is currently disabled, since the
370          respective profiling code is currently broken
371        - Introduced support for optional environment variable
372          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
373          where the sampler shall look for instrument editor plugins
374          (patch by Luis Garrido, slightly modified).
375        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
376        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
377        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
378          note (in this implementation of the sampler its simply hard routed to
379          the 1st effect send of the sampler channel, no matter what the actual
380          effect type is)
381        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
382          note (in this implementation of the sampler its simply hard routed to
383          the 2nd effect send of the sampler channel, no matter what the actual
384          effect type is)
385        - implemented support for internal LADSPA effects
386        - raised limit of program change queue from 100 to 512
387          (as suggested by Alex Stone)
388        - implemented sine LFO, pulse LFO and saw LFO
389        - experimental support for per voice equalization
390        - added command line option --exec-after-init
391        - Introduced new C++ API method:
392          EngineChannel::InstrumentFileName(int index)
393          allowing to retrieve the whole list of files used for the loaded
394          instrument on an engine channel (a.k.a. part). Some GigaStudio
395          instruments for example are splitted over several files like
396          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
397        - Added new C++ API method Sampler::GetGlobalMaxVoices().
398        - Added new C++ API method Sampler::GetGlobalMaxStreams().
399        - Added new C++ API method Sampler::SetGlobalMaxVoices().
400        - Added new C++ API method Sampler::SetGlobalMaxStreams().
401        - Various "const" and "restrict" optimizations.
402        - all engines: add pan CC value to instrument pan parameter before
403          applying panning, instead of using two separate pan functions in
404          series (#182)
405        - added a lock guard class for exception safe mutex handling and
406          used it everywhere appropriate
407        - Immediately apply scale tuning changes to active voices.
408        - Exposed scale tuning to C++ API (along to the already existing standard
409          SysEx way).
410        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
411          and broken for ppc64. (Seq_cst loads and stores are actually not
412          used in LS, so the bug wasn't noticable.)
413        - lsatomic.h: added ARMv7 support
414        - Added support for multiple MIDI input ports per sampler channel (and
415          added various new C++ methods for this new feature / design change, old
416          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
417          as deprecated but are still there and should provide full behavior
418          backward compatibility).
419        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
420          unsafe and caused compilation error with clang 2.x).
421        - Bugfix: only process the latest MIDI program change event.
422        - Introducing the LSCP shell, which provides convenient control of the
423          sampler from the command line by providing LSCP aware features.
424        - VirtualMidiDevice: Added support for program change.
425        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
426        - VirtualMidiDevice: Added support for pitch bend.
427        - Aftertouch: extended API to explicitly handle channel pressure and
428          polyphonic key pressure events (so far polyphonic pressure was not
429          supported at all, and channel pressure was rerouted as CC128 but not
430          used so far).
431        - Added initial support for real-time instrument scripts. The script VM
432          code is shared by all sampler engine implemementations, however only the
433          gig file format currently provides support for storing instrument scripts
434          (as LinuxSampler extension to the original GigaStudio 4 format).
435    
436      * Gigasampler format engine:
437        - implemented the "round robin keyboard" dimension
438        - fixed round robin and random dimensions for cases when number of
439          dimension zones is not a power of two
440        - made round robin use a counter for each region instead of each
441          key
442        - bugfix: pitch LFO controller "internal+aftertouch" was broken
443        - bugfix: filter keyboard tracking was broken
444        - filter performance fix (an unnecessary copy was made of the
445          filter parameters in each sub fragment)
446        - handle special case when pan parameter in gig file has max or
447          min value
448        - Exclusive Groups: don't ever stop voices of the same note,
449          doesn't sound naturally with a drumkit
450        - fixed EG1 modulation when attack or release is zero
451        - Fixed support for 'aftertouch' attenuation controller.
452        - Fixed crash that happened with velocity split sounds under certain
453          conditions (see also previous commit on libgig).
454        - fixed behaviour of filter LFO
455    
456      * SFZ format engine:
457        - Initial implementation (not usable yet)
458        - added support for v2 multiple stage envelope generators
459        - added a fine-tuned v1 envelope generator instead of using the
460          one from the gig engine
461        - fixed memory leak and memory handling errors
462        - added support for trigger=first, trigger=legato and sw_previous
463        - allow non-numerical key values ("C#4" for example)
464        - "key" opcode now sets pitch_keycenter too
465        - fixed error when unloading instrument with same sample used by
466          multiple regions
467        - added some opcode aliases, like loopmode for loop_mode, to be
468          more compatible
469        - added support for trigger=release and rt_decay
470        - added support for off_mode=normal
471        - added support for random, seq_position, seq_length and volume
472        - added v1 LFO opcodes to parser (no support in engine yet)
473        - added support for amp_veltrack and amp_velcurve_N
474        - fine-tuned the default velocity curve
475        - added support for transpose
476        - fixed crash when using sw_down/up
477        - improved logic for sw_lokey/hikey/up/down/last
478        - added more v1 aliases to parser
479        - reduced memory usage for sfz data
480        - RT-safeness: avoid malloc in audio thread
481        - fixed a bug that could cause voice stealing to fail
482        - optimized sample lookup
483        - improved support for exclusive groups (group, off_by and
484          off_mode)
485        - added support for controller triggered regions (on_locc/on_hicc)
486        - added support for loop_mode=one_shot
487        - fixed playback of 16 bit wav files on big endian CPUs
488        - added support for Ogg Vorbis sample files
489        - use loop markers from sample file if loop_start and loop_end are
490          not set in sfz file
491        - implemeted filters. Filter types: lowpass, bandpass, bandreject
492          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
493          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
494          cutoff_cc, cutoff_chanaft.
495        - bugfix: zero ampeg_sustain didn't work
496        - added support for velocity effect on amplifier envelope time
497          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
498          ampeg_vel2release)
499        - added support for EG hold (ampeg_hold)
500        - added support for sample offset (offset)
501        - use the newly introduced signal units model
502        - implemented opcodes lfoN_delay,
503          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
504        - implemented opcodes ampeg_delay, ampeg_vel2delay
505          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
506          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
507          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
508          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
509        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
510          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
511          amplfo_delay, amplfo_freq, amplfo_depth
512        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
513          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
514          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
515          fileg_vel2release
516        - implemented opcode lfoN_wave
517        - implemented opcode pitchlfo_depthccN
518        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
519          lfoN_pitch, lfoN_pitch_onccX
520        - implemented opcodes pitchlfo_fade,
521          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
522        - implemented opcodes fillfo_freqccN,
523          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
524        - implemented opcodes ampeg_delayccN, ampeg_startccN,
525          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
526          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
527        - lfoN_* and egN_* opcodes defined in group sections
528          are now taken into account
529        - implemented curves
530        - implemented opcodes volume_onccN, volume_curveccN
531        - implemented opcode volume_smoothccN
532        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
533          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
534          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
535          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
536          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
537        - implemented opcode end
538        - implemented opcodes egN_amplitude_onccX,
539          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
540          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
541        - implemented opcodes xfin_lokey, xfin_hikey,
542          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
543          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
544          xfout_loccN, xfout_hiccN, xf_cccurve
545        - implemented opcodes pan_onccN, pan_smoothccN,
546          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
547          egN_pan_curveccX, pitch_veltrack
548        - when failed to parse a sfz file
549          print the line number on which the error occurs
550        - use common pool of CC objects to minimize RAM usage
551        - implemented opcodes amplfo_delay_onccN,
552          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
553          pitchlfo_delay_onccN, pitchlfo_fade_onccN
554        - implemented opcodes fileg_delay_onccN,
555          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
556          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
557          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
558          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
559          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
560        - implemented automatic aliasing *ccN <-> *_onccN
561        - *lfo_freqccN wasn't working when the respective *lfo_freq
562          was not set or was set to zero
563        - lfoN_freq_onccX wasn't working when lfoN_freq
564          was not set or was set to zero
565        - implemented opcodes resonance_onccN, resonance_smoothccN,
566          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
567        - implemented opcodes fillfo_depthchanaft,
568          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
569          pitchlfo_depthchanaft, pitchlfo_freqchanaft
570        - implemented opcodes pitch_onccN,
571          pitch_curveccN, pitch_smoothccN, pitch_stepccN
572        - implemented opcodes volume_stepccN, pan_stepccN,
573          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
574          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
575          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
576        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
577          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
578          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
579          eq1_gainccN, eq2_gainccN, eq3_gainccN
580        - implemented opcodes delay, delay_onccN, delay_random,
581          delay_samples, delay_samples_onccN
582        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
583          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
584          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
585          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
586          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
587          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
588          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
589          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
590          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
591          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
592          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
593          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
594          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
595          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
596          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
597        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
598          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
599        - sfz parser: allow double spaces in sample filenames
600        - sfz parser: allow absolute paths for sample filenames
601        - use linear decay and release for filter and pitch EG
602        - bugfix: only the first amp_veltrack definition in a file was
603          used
604        - bugfix: looping was disabled if loop_start was set to 0
605        - allow regions with end=-1 to turn off other regions using the
606          group and off_by opcodes (#168)
607        - made end=0 play the whole sample
608        - fixed support for lochan and hichan opcodes (#155)
609        - fixed crash when using lochan/hichan opcodes (#187)
610        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
611        - added FLAC support (#191)
612        - sfz parser bugfix: lines starting with whitespace were ignored
613        - added amplitude opcode
614        - added support for "#include" instruction
615          (modified patch which was originally posted by Sergey on LS mailing list)
616        - bugfix: generation of velocity curves etc should not be done
617          after each "#include", only after the main file is parsed
618        - bugfix: line numbers in error messages were wrong after "#include"
619        - added support for float and 32 bit sample files
620    
621      * SoundFont format engine:
622        - Initial implementation (not usable yet)
623        - RT-safeness: avoid malloc in audio thread
624        - fixed a bug that could cause voice stealing to fail
625        - fine-tuned amplitude EG (by switching from gig to sfz EG)
626        - initial implementation of Vibrato LFO and Modulation LFO
627        - initial implementation of cutoff filter
628        - use linear decay and release for filter and pitch EG
629    
630      * Host plugins (VST, AU, LV2, DSSI):
631        - AU bugfix: failed to destroy its audio/MIDI devices
632        - Listen to all interfaces on Mac OS X (INADDR_ANY)
633        - VST bugfix: If the host called resume() before and after
634          changing sample rate or block size, the number of channels was
635          incorrectly set to two. This caused silence in Cubase 5.
636        - save engine type (gig, sfz or sf2) in plugin state
637        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
638          64 bit Windows
639        - AU: changed number of output channels from one stereo to 16
640          stereo
641        - VST: made it possible to build the VST plugin for Mac
642        - AU: link AU plugin dynamically if --disable-shared isn't
643          specified
644        - LV2 "state" extension support (patch by David Robillard)
645        - VST bugfix: instrument loading hang and crashed the host when
646          the plugin was loaded a second time (#174)
647        - plugin bugfix: instrument loading hang when the plugin was
648          loaded a second time (this time it's for Linux and Mac, previous
649          similar fix was for Windows)
650        - thread safety fixes for the instrument loading thread
651        - LV2: use the new lv2 package if present
652        - VST: try to open Fantasia automatically on Linux and Mac too (on
653          Linux, the Fantasia jar should be placed in <prefix>/share/java)
654        - VST: fixed crashes on Linux Ardour and EnergyXT
655        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
656          port and audio channel routing for DSSI plugins are now visible.
657        - LV2: use urid and atom extensions instead of deprecated uri-map
658          and event
659        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
660        - LV2: changed number of output channels to 16 stereo, just like
661          the VST and AU plugins
662        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
663        - LV2: made LV2 plugin buildable on Windows and Mac
664        - VST: implemented retrieval and switching of programs using the
665          sampler's internal MIDI instrument mapping system
666    
667      * Instrument editor interface:
668        - Changed instrument editor plugin interface, providing additional
669          informations like the EngineChannel for which the instrument editor was
670          spawned for. This allows the instrument editors to interact more actively
671          with the sampler.
672    
673      * MIDI driver:
674        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
675          the ALSA sequencer client name
676        - removed limit of maximum amount of MIDI ports per MIDI device, since
677          there is no reason for this limit
678        - MME: fixed memory handling bug found with cppcheck
679        - MME: removed compiler warning
680        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
681          which allows to retrieve the list of CoreMIDI clients / ports and to connect
682          to them a la JACK, via the usual sampler APIs
683        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
684          the driver will automatically connect to other CoreMIDI clients' ports
685          (e.g. external MIDI devices being attached to the Mac)
686        - added support for MIDI note on velocity filter
687        - CoreMIDI: fixed memory deallocation error
688        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
689          virtual keyboards in frontends / instrument editors being stuck.
690        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
691        - Implemented missing handling of MIDI "running status".
692        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
693        - MME bugfix: driver wasn't closed properly
694        - CoreMIDI: automatically connect to all input sources by default (driver
695          parameter "AUTO_BIND").
696        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
697        - CoreMIDI: fixed minor memory leak
698    
699      * audio driver:
700        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
701        - JACK audio: react on sample rate changes.
702        - JACK audio: react on buffer size changes.
703        - JACK audio: jack_port_get_buffer() was cached and called outside
704          RT context.
705        - ASIO driver: removed compiler warnings
706        - CoreAudio: fixed minor error handling bug
707        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
708        - JACK audio: return the JACK server's current sample rate as default value
709          for audio device parameter "SAMPLERATE" (fixes #166).
710    
711      * LSCP server:
712        - added support for sending MIDI CC messages via LSCP command
713          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
714        - added LSCP command "GET AVAILABLE_EFFECTS"
715        - added LSCP command "LIST AVAILABLE_EFFECTS"
716        - added LSCP command "GET EFFECT INFO <effect-index>"
717        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
718        - added LSCP command
719          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
720        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
721        - added LSCP command "GET EFFECT_INSTANCES"
722        - added LSCP command "LIST EFFECT_INSTANCES"
723        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
724        - added LSCP command
725          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
726        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
727          <effect-instance> <input-control> <value>"
728        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
729        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
730        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
731        - added LSCP command
732          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
733        - added LSCP command
734          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
735        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
736          <effect-chain> <effect-instance>"
737        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
738          <effect-chain> <effect-chain-pos> <effect-instance>"
739        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
740          <effect-chain> <chain-pos>"
741        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
742          <fx_send_id> <effect_chain> <chain_pos>"
743        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
744        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
745          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
746          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
747        - provide comprehensive error messages on LSCP syntax errors
748          (suggesting expected next non-terminal symbols)
749        - Fixed client connection not being closed after network errors.
750    
751      * LSCP shell:
752        - Added support for auto correction of obvious and trivial syntax mistakes.
753        - Added support for auto completion by tab key.
754        - Show currently available auto completion while typing.
755        - Added support for browsing command history with up / down keys.
756        - Show all possible next symbols immediately right to the current command
757          line while typing (no double tab required for this feature, as it would
758          be the case in other shells).
759        - Added support for moving cursor left/right with arrow keys.
760        - Added support for built-in LSCP reference documentation, which will
761          automatically show the relevant LSCP reference section on screen as soon
762          as one specific LSCP command was detected while typing on the command
763          line.
764    
765      * Real-time instrument scripts:
766        - Implemented built-in script array variable %CC.
767        - Implemented built-in script int variable $CC_NUM.
768        - Implemented built-in script int variable $EVENT_NOTE.
769        - Implemented built-in script int variable $EVENT_VELOCITY.
770        - Implemented built-in script constant variable $VCC_MONO_AT.
771        - Implemented built-in script constant variable $VCC_PITCH_BEND.
772        - Implemented execution of script event handler "init".
773        - Implemented execution of script event handler "controller".
774        - Implemented execution of script event handler "note".
775        - Implemented execution of script event handler "release".
776        - Implemented built-in script function "play_note()" (only two of the
777          max. four function arguments are currently implemented yet though).
778        - Implemented built-in script int variable $EVENT_ID.
779        - Implemented built-in script function "ignore_event()"
780        - Implemented built-in script function "ignore_controller()" (may have one
781          or no argument).
782        - Implemented built-in script function "set_controller()".
783        - Added extended script VM for the Gigasampler/GigaStudio format sampler
784          engine, which extends the general instrument script VM with Giga format
785          specific variables and functions.
786        - Giga format scripts: added built-in script int constant variables
787          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
788          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
789          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
790          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
791          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
792          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
793          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
794          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
795          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
796          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
797        - Giga format scripts: Implemented built-in script function
798          "gig_set_dim_zone(event_id, dimension, zone)".
799        - Implemented built-in script int array variable %KEY_DOWN.
800        - Implemented built-in script function "abs()".
801        - Implemented built-in script function "random()".
802        - Implemented built-in script function "num_elements()".
803        - Implemented built-in script function "note_off()".
804        - Implemented built-in script function "set_event_mark()".
805        - Implemented built-in script function "delete_event_mark()".
806        - Implemented built-in script function "by_marks()".
807        - Added built-in script int const variables $MARK_1 to $MARK_28.
808        - Built-in script functions "ignore_event()", "note_off()" and
809          "gig_set_dim_zone()" now also accept an array of event IDs as argument
810          (i.e. return value of new script function "by_marks()").
811        - Pass/preserve polyphonic variable data from respective "note" event
812          handler to "release" event handler.
813        - Fixed crash when using built-in script function "by_marks()".
814    
815      * Bug fixes:
816        - Fixed crash which may occur when MIDI key + transpose is out of range
817        - minor valgrind fixes
818        - fixed crash which occurred when changing an already deployed sampler
819          channel to a different engine type
820        - fixed crash when deleting a sampler channel or changing engine
821          type while an instrument load was in progress
822        - bugfix: playing a note while changing the instrument could cause
823          a crash, or give "Handing back unknown region" error messages
824        - bugfix: calling SET VOICES (which Fantasia does on start and
825          refresh) could cause instruments to be unloaded
826        - Mac OS X: fixed name collision of enum in EffectControl and
827          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
828        - Mac OS X: fixed hanging threads
829        - Windows: disabled the previous thread fix on non-Mac systems, as
830          it caused hanging threads on Windows
831        - Fixed possible crashes due to corrupted MIDI/audio device list
832          after MIDI/audio device creation failure
833        - When creating MIDI instrument map entries with "PERSISTENT" type, the
834          instruments were uselessly precached with zero samples, however it still
835          took the full preloading time and on 1st program change the respective
836          instrument was completely reloaded again.
837        - fixed handling of rapid bank select and program change messages
838          sent to the same sampler channel (patch from the Open Octave
839          project, slightly adjusted)
840        - fixed crash when trying to create an effect instance with controls
841          which min and/or max values depend on the sample rate
842        - fixed bug #162
843        - bugfix: LADSPA_PATH was not evaluated correctly when containing
844          multiple paths (#165)
845        - thread safety fixes for the instrument loading thread
846        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
847          (#176)
848        - more thread safety fixes for the instrument loading thread
849        - sfz/sf2 engine: fixed crash when using small audio fragment size
850        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
851        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
852          introduced in previous fix)
853        - fixed crash when a channel received a program change while
854          playing a note in a key group
855        - fixed erroneous error message piping in VoiceBase.h
856          (labelled "Disk stream not available in time")
857        - Update effects on sample rate & period size changes (to avoid
858          crashes and noise on such transitions).
859        - ignore missing LADSPA paths without ignoring valid LADSPA paths
860          (fixes #208)
861        - Fixed bug in LSCP grammar definition which caused a statement like
862          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
863          practically irrelevant, however it caused problems with the new LSCP
864          shell's auto completion feature).
865        - Fixed MIDI program change messages being ignored if quickly executed
866          after each other (fixes #231).
867    
868    Version 1.0.0 (31 July 2009)
869    
870      * packaging changes:
871        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
872          causing e.g. the libgig test to fail when
873          "./configure --disable-jack-driver" was used
874          (patch by Alexis Ballier)
875        - fixed compilation with gcc 4.3
876        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
877        - fixed configure so it detects x86_64 (#107)
878        - fixes for building with newer MinGW versions
879        - fix for building with bison 2.4 (#111)
880        - fixed building with libgig installed in a non-standard directory
881        - minor fix in configure for mmsystem.h detection on MinGW
882        - Windows: look for editor plugins and Fantasia using base
883          directory of liblinuxsampler dll (look in the same directory and one
884          directory above)
885        - configure script fix: removed unconditional use of SSE
886        - fixed building with sqlite installed in a non-standard directory
887        - when cross-compiling, don't try to create instruments.db
888        - fix for new mingw-w64 version, which has usleep
889    
890      * general changes:
891        - bugfix: on some POSIX systems instrument editor plugins refused to
892          load as we used a non-portable Linux specific struct field
893          (fixes bug #70, patch by Ronald Baljeu)
894        - fixed endless loop which occured when loading an instrument editor
895          plugin DLL on Windows systems failed
896        - fixed memory leaks that occurred when liblinuxsampler was unloaded
897        - optimized the SynchronizedConfig class so it doesn't wait
898          unnecessarily long after an update
899        - added support for notifying instrument editors on note-on / note-off
900          events (e.g. to highlight the pressed keys on the virtual keyboard
901          of gigedit)
902        - added support for triggering notes by instrument editors (see above)
903        - be verbose on DLL load errors (on Linux)
904        - fixed di-harmonic triangle LFO implementation (this LFO implementation
905          is only used by very few systems, most pick the int math
906          implementation, which is usually faster)
907        - fixes for audio drivers with varying buffer sizes
908        - experimental support for running LinuxSampler as a DSSI, LV2 and
909          VST plugin
910        - notification events for stream/voice count statistics are now sent
911          only when there are actual changes
912        - added memory ordering constraints to improve stability on
913          multi-core and multi-cpu systems
914        - maximum voices and disk streams can now be altered at runtime
915        - fixed CPU feature detection on x86_64 (maybe fixes #108)
916        - automatic stacktrace mechanism is now turned off by default and can
917          be switched on by command line option "--stacktrace" (the automatic
918          stacktrace mechanism seems to be broken on most systems at the moment)
919        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
920          a pointer to the launched InstrumentEditor object
921        - added optional 3rd party user data parameter for following
922          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
923          InstrumentEditor::Launch(),
924          InstrumentManager::LaunchInstrumentEditor()
925        - theoretical fix: made SynchronizedConfig follow C++0x memory
926          model more strictly
927        - fixes for using large audio device buffers
928        - Windows: add the installation directory to the DLL search path
929          when loading an editor plugin (solves problems with VST and
930          gigedit on systems with other GTK versions installed)
931        - updated linuxsampler man page
932    
933      * audio driver:
934        - removed the nonsense audio channel constraint (which was hard coded to
935          max. 100 audio channels) for most audio drivers
936        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
937          opposed to the LSCP specs
938        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
939          reflected the wrong value
940        - fixed a memory management bug in ASIO driver
941        - Makefile fix: JACK_CFLAGS wasn't used
942        - JACK: use jack_client_open instead of the deprecated
943          jack_client_new
944        - added (experimental) CoreAudio driver
945        - applied old fixes to the ASIO driver that were included in the
946          previous binary release but accidentally never committed to CVS
947          (fixes #117)
948        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
949          win64)
950        - VST: added support for sample rate and buffer size changes
951        - VST: close editor (Fantasia) when the VST is removed
952        - VST: avoid opening Fantasia more than once for each VST instance
953        - VST: export main function as "main" on Linux too (fix for
954          energyXT)
955        - VST: changed number of output channels from one stereo to 16
956          stereo
957        - added channel routing, fxsends and midi maps to the settings
958          stored in the plugin state
959        - performance optimization of AudioChannel::MixTo() and
960          AudioChannel::CopyTo() methods using GCC vector exensions
961          (if available)
962        - ASIO fixes: avoid initializing the device twice, avoid throwing
963          exception when getting parameters from a disconnected device
964    
965      * MIDI driver:
966        - added JACK MIDI driver
967        - dispatch bank select as ordinary CC as well, the user might seriously
968          want to (mis)use it for some purpose ("fixed" in all current MIDI
969          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
970        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
971          CoreMidi or AU
972        - fixed mingw-w64 compilation error in MME driver
973        - made program change handling in MIDI thread real-time safe by
974          moving the logic to a non-RT thread
975        - fixed minor memory leak in ALSA driver
976    
977      * instruments database:
978        - avoid time consuming samples scanning when adding instruments
979          to the instruments database
980        - added support for handling lost files in the instruments database
981        - Implemented option for adding instruments in separate directories
982          in the instruments database
983          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
984        - work-around for missing fnmatch function on Windows to make
985          instrument database compilable
986        - added instrument database support on Windows
987          works with both standalone mode and VST plugin.
988          the instruments DB file is located in
989          %USERPROFILE%\.linuxsampler\instruments.db which allows different
990          databases for each windows user
991          if no DB is present it automatically creates the .linuxsampler subdir
992          and then creates an empty DB
993        - fixed recursive import, which was broken on Windows
994    
995      * Gigasampler format engine:
996        - fixed a memory leak that could happen when a channel was deleted
997          while notes were playing
998        - made it possible to load an instrument even if the audio thread
999          isn't running
1000        - added partial support for the "Controller Triggered" MIDI rule,
1001          enough for piano gigs with pedal noise samples
1002        - minor fix: only mark FX sends as being modified if really the
1003          respective FX send MIDI controller was used
1004        - added support for GM global device volume SysEx message
1005          (can be selected at compile time to either apply globally to the
1006          whole sampler [default] or only to the sampler channels that are
1007          connected to the respective MIDI input port the SysEx message arrived
1008          on)
1009        - bugfix: notes triggered at position 0 in the audio buffer were
1010          sometimes wrongly killed in the same buffer, causing no sound to
1011          be played
1012        - added support for chromatic / drumkit mode Roland GS Sysex message
1013          which is usally used to switch a part between chromatic sounds and
1014          drumkit sounds (as opposed to their common default setting of MIDI
1015          part 10 being a drumkit part and all other ones chromatic parts), in
1016          LS however one can switch between the first 16 MIDI instrument maps
1017          defined for the sampler
1018        - made it possible to create multiple sample channels even if the
1019          audio thread isn't running
1020        - fixed crash when removing channel with active voices (#116)
1021        - bugfix: on sample reference changes (instrument editor), only
1022          un-cache the respective sample if it's really not used by any
1023          sampler engine anymore
1024        - re-cache samples in case they were changed by an instrument editor,
1025          e.g. when a sample was added while playing (#82)
1026        - fixed hanging notes which occured when note-off event had the exact
1027          same time stamp as the voice's note-on event and occured both in the
1028          same audio fragment cycle (fixes bug #112)
1029        - added support for the "fine tune" and "pitch bend range"
1030          instrument-level gig parameters
1031        - fixed minor artifacts in pitch bend handling
1032        - added support for GS Reset SysEx message
1033        - allow gig files to use unlimited downward pitch shifting
1034        - added a limit check for upward pitch shifting
1035        - bugfix: sometimes, when playing a note twice fast, the second
1036          note was silent
1037        - fixed crash happening when a pitch bend event arrived at the
1038          same time a new instrument was loading
1039    
1040      * LSCP server:
1041        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
1042          react on MIDI data arriving on certain sampler channels (so far only
1043          Note-On and Note-Off events are sent via this LSCP event)
1044        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
1045          react on MIDI data arriving on certain MIDI input devices (so far only
1046          Note-On and Note-Off events are sent via this LSCP event)
1047        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
1048          SET DB_INSTRUMENT FILE_PATH
1049        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
1050          frontends to send MIDI messages to specific sampler channel
1051        - added two additional fields to GET FILE INSTRUMENT INFO command -
1052          KEY_BINDINGS and KEYSWITCH_BINDINGS
1053        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
1054          was incorrect
1055        - Optimized the retrieval of the MIDI instrument mappings
1056        - added new LSCP command "SET VOICES" to globally alter the maximum
1057          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
1058          be triggered respectively
1059        - added new LSCP command "SET STREAMS" to globally alter the maximum
1060          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
1061          which will be triggered respectively
1062        - bugfix: retry if "select" returns EINTR (this fixes a crash when
1063          a gigedit file dialog is opened)
1064        - close all connections when LSCPServer is deleted
1065        - hard close of all sockets on exit
1066        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
1067          driver
1068    
1069      * Bug fixes:
1070        - fixed a crash which occurs when removing a sampler channel waiting
1071          to start instrument loading after another channel
1072        - fixed a crash which occurs when removing a sampler channel with
1073          instrument loading in progress (bug #113)
1074        - fixed termination caused by uncaught exception when adding MIDI
1075          instrument with PERSISTENT load mode
1076        - fixed possible iterator invalidations when resetting the sampler
1077        - fixed memory leaks when issuing the following LSCP commands:
1078          GET AUDIO_OUTPUT_DRIVER INFO
1079          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
1080          GET MIDI_INPUT_DRIVER INFO
1081          GET MIDI_INPUT_DRIVER_PARAMETER INFO
1082        - fixed possible compilation error when sqlite is not present
1083        - fixed orphaned pointers when setting maximum voices limit (bug #118)
1084        - fixed crash when changing the audio output device of a sampler
1085          channel with loaded instrument and start playing notes
1086        - fixed endless loop in Engine::SuspendAll() (bug #120)
1087        - fixed a low-level atomic load function that was broken on 64-bit
1088          PowerPC, which probably could cause crashes on that platform
1089        - fixed a memory management error which could cause a crash when a
1090          plugin was unloaded
1091        - bugfix: two private structs had the same name, which could cause
1092          problems if the linker chose the wrong constructor
1093        - fixed low-level ConditionServer usage bug that caused lockups on
1094          Windows
1095    
1096    
1097    Version 0.5.1 (6 December 2007)
1098    
1099    * packaging changes:    * packaging changes:
1100      - added autoconf checks for pthread library      - added autoconf checks for pthread library
1101      - added autoconf check for pthread bug found on certain NPTL-enabled      - added autoconf check for pthread bug found on certain NPTL-enabled
1102        glibc versions (see Gentoo bug report #194076)        glibc versions (see Gentoo bug report #194076)
1103        - added autoconf checks for MS Windows
1104    
1105      * general changes:
1106        - bugfix: the thread used by an editor plugin didn't die when the
1107          editor closed
1108        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
1109          out all the space. operator--() did not apply size_mask after
1110          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
1111          order to avoid problems with the _NonVolatileReader functions.
1112        - bugfix: Stream.h: added a missing divide by BytesPerSample in
1113          GetWriteSpace(). Since this function is currently only used in
1114          the stream's qsort() compare function, it didn't trigger any
1115          bugs.
1116        - Resampler.h, Synthesizer.h: cubic interpolation now works in
1117          24bit mode too. Faster method to read 24bit words on little
1118          endian machines (x86): replaced 3 byte reads + shifts with a 1
1119          unaligned 32bit read and shift
1120        - experimental support for MS Windows (MIDI input via MME, AUDIO
1121          output via ASIO)
1122        - made handling of SIGINT signal (Ctrl-C) a bit more robust
1123        - support for monitoring the total number of active disk streams
1124          (new LSCP commands: GET TOTAL_STREAM_COUNT,
1125          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
1126    
1127      * AUDIO driver:
1128        - added Windows ASIO low latency audio driver
1129    
1130      * MIDI driver:
1131        - added MME Windows MIDI driver
1132    
1133      * LSCP server:
1134        - added support for Windows style path / filenames, however with
1135          forward slash path separators instead of backslash
1136          (i.e. "C:/foo/bar.gig")
1137        - allow naughty liblscp to send non-string device parameters within
1138          apostrophes as well
1139        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
1140          "LIST FILE INSTRUMENTS <file>" and
1141          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
1142          about an arbitrary instrument file on the system where the sampler is
1143          running on
1144    
1145  Version 0.5.0 (15 October 2007)  Version 0.5.0 (15 October 2007)
1146    

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