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revision 1147 by persson, Tue Apr 3 17:39:52 2007 UTC revision 3290 by schoenebeck, Fri Jun 23 12:24:58 2017 UTC
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1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * SFZ format engine:
4        - added support for <global>, <master> and #define (patch by Alby M)
5        - Removed code duplication in SFZ file loading code.
6        - Added support for sfz extension opcode 'script' which may be used to
7          load real-time instrument script file (NKSP script language).
8        - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
9        - Fixed unintended volume fade-in of voices under certain conditions.
10    
11      * Gigasampler/GigaStudio format engine:
12        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
13          cutoff settings.
14    
15      * general changes:
16        - fixed printf type errors (mostly in debug messages)
17        - use unique_ptr instead of auto_ptr when building with C++11
18        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
19          allowing to sort data efficiently in real-time safe manner.
20        - RTList class: added methods for moving/inserting elements to arbitrary
21          position within a list.
22        - RTList class: added method fromPtr() for creating an Iterator object from
23          a raw element pointer.
24        - Attempt to partly fix resetting engine channels vs. resetting engine, an
25          overall cleanup of the Reset*(), ConnectAudioDevice(),
26          DisconnectAudioDevice() API methods would still be desirable though,
27          because the current situation is still inconsistent and error prone.
28        - Active voices are now internally grouped to "Note" objects, instead of
29          being directly assigned to a keyboard key. This allows more fine graded
30          processing of voices, which is i.e. required for certain instrument
31          script features.
32        - Fix: Release trigger voices were not spawned on sustain pedal up
33          (CC #64) events.
34        - Fix: Release trigger voices can now also distinguish correctly between
35          note-off and sustain pedal up events.
36        - All engines: Increased ramp speed of volume smoother and pan smoother
37          (while slow rate of crossfade smoother is preserved) to allow quick
38          volume and pan changes by instrument scripts for instance.
39        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
40          properly and thus were ignored for certain uses.
41        - Added new C++ API method
42          VirtualMidiDevice::SendChannelPressureToSampler().
43        - windows, 32-bit: fixed potential crashes by making sure the stack in
44          sub threads is 16-byte aligned
45        - fixed numerous compiler warnings
46        - Fixed invalid (note-on) event ID being assigned to new Note objects.
47        - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
48          fixes potential undefined behavior.
49    
50      * packaging changes:
51        - removed unnecessary dependency to libuuid
52          (originated by libgig's usage of it)
53        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
54          auto detect whether it (sh/c)ould output its messages in color.
55    
56      * Real-time instrument scripts:
57        - Implemented scheduler for delayed MIDI events and for suspended scripts.
58        - Built-in script function "wait()": implemented support for function's
59          "duration-us" argument, thus scripts using this function are now
60          correctly resumed after the requested amount of microseconds.
61        - Built-in script function "play_note()": implemented support for
62          function's "duration-us" argument, thus notes triggered with this
63          argument are now correctly released after the requested amount of
64          microseconds.
65        - Fix: script events were not cleared when engine channel was reset,
66          potentially causing undefined behavior.
67        - Fixed crash which happened when trying to reference an undeclared
68          variable.
69        - Built-in script function "play_note()": Added support for passing
70          special value -1 for "duration-us" argument, which will cause the
71          triggered note to be released once the original note was released.
72        - Instrument script classes now exported with the liblinuxsampler C++ API.
73        - Added new API method ScriptVM::syntaxHighlighting() which provides
74          a convenient syntax highlighting backend for external instrument
75          script editor applications.
76        - Added new C++ API class "ScriptVMFactory".
77        - Extended parser issues to provide not only first line and first
78          column, but also last line and last column of issue (thus marking
79          the precise span of the issue within the source code).
80        - Reload script automatically after being modified by an instrument
81          editor.
82        - NKSP language grammar correction: allow empty event handler bodies
83          like "on note end on".
84        - Implemented built-in script function "change_vol()".
85        - Implemented built-in script function "change_tune()".
86        - Implemented built-in script function "change_pan()".
87        - Implemented built-in script function "change_cutoff()".
88        - Implemented built-in script function "change_reso()".
89        - Implemented built-in script function "event_status()".
90        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
91          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
92          "event_status()" function.
93        - NKSP language: Added support for bitwise operators ".or.", ".and."
94          and ".not.".
95        - NKSP language scanner: Fixed IDs matching to require at least one
96          character (i.e. when matching function names or variable names).
97        - NKSP language scanner: disabled unusued rules.
98        - Fixed behavior of play_note() and note_off() functions which must
99          be distinguished engine internally from "real" MIDI note on/off
100          events in order to avoid misbehaviors like hanging notes.
101        - Implemented built-in script variable "$KSP_TIMER".
102        - Implemented built-in script variable "$NKSP_REAL_TIMER".
103        - Implemented built-in script variable "$NKSP_PERF_TIMER".
104        - Implemented built-in script variable "$ENGINE_UPTIME".
105        - Implemented built-in script function "inc()".
106        - Implemented built-in script function "dec()".
107        - NKSP language fix: division expressions were evaluated too often.
108        - NKSP language fix: string concatenation operator was right
109          associative instead of left (to right).
110        - NKSP language correction: allow empty statements in entire language
111          (i.e. "if end if").
112        - Implemented built-in script function "stop_wait()".
113        - Implemented built-in script variable "$NI_CALLBACK_ID".
114        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
115        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
116        - Added support for read-only built-in variables (respectively
117          handled by the script parser).
118        - Added built-in script constant "$NI_CB_TYPE_INIT".
119        - Added built-in script constant "$NI_CB_TYPE_NOTE".
120        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
121        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
122        - NKSP Language: Added support for user defined script functions.
123        - Implemented built-in script function "change_attack()".
124        - Implemented built-in script function "change_decay()".
125        - Implemented built-in script function "change_release()".
126        - Fixed all change_*() built-in script functions to apply their
127          synthesis parameter changes immediately in case the respective note
128          was triggered at the same time, instead of scheduling the parameter
129          change, especially because it would cause some parameter types's
130          changes either to be ramped (i.e. change_vol()) or other types even
131          to have not effect at all (i.e. change_attack()).
132        - Implemented built-in script function "sh_left()".
133        - Implemented built-in script function "sh_right()".
134        - Implemented built-in script function "min()".
135        - Implemented built-in script function "max()".
136        - NKSP Fix: "init" event handler was not always executed when a script
137          was loaded.
138        - NKSP built-in wait() script function: abort script execution if
139          a negative or zero wait time was passed as argument (since this is
140          a common indication of a bug either of the script or even of the
141          engine, which could lead to RT instability or even worse).
142        - ScriptVM: Implemented automatic suspension of RT safety
143          threatening scripts.
144        - Provide more user friendly error messages on syntax errors.
145        - Fixed NKSP parser warning "Not a statement" when assigning an
146          initializer list to an array variable.
147        - Implemented built-in script array variable "%ALL_EVENTS".
148        - Implemented built-in script function "in_range()".
149        - Implemented built-in script function "change_amp_lfo_depth()".
150        - Implemented built-in script function "change_amp_lfo_freq()".
151        - Implemented built-in script function "change_pitch_lfo_depth()".
152        - Implemented built-in script function "change_pitch_lfo_freq()".
153        - Implemented built-in script function "change_vol_time()".
154        - Implemented built-in script function "change_tune_time()".
155        - Implemented built-in script function "fade_in()".
156        - Implemented built-in script function "fade_out()".
157        - Fixed acceptance of wrong data type of parameters passed to built-in
158          script functions "change_vol()", "change_tune()", "change_pan()",
159          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
160          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
161          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
162        - Added built-in script function "get_event_par()" and implemented some
163          of its possible parameter selections.
164        - Added built-in script function "set_event_par()" and implemented some
165          of its possible parameter selections.
166        - Fixed a bunch of scheduler time related bugs.
167        - Fixed polyphonic variables not being reset to zero after usage.
168        - Built-in "ignore_event()" function: argument is now optional, like with
169          built-in function "ignore_controller()".
170        - Implemented built-in script function "change_velo()".
171        - Implemented built-in script function "change_note()".
172        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
173          intuitive behavior if used in combination with "change_vol_time()" or
174          "change_tune_time()" respectively: now tuning/volume changes are only
175          assigned (without delay) immediately to a new note if the respective
176          timing function has not been called before, otherwise the volume/tuning
177          changes are automatically faded (before, only the event's time stamp was
178          relevant).
179         - Implemented built-in script function "array_equal()".
180         - Implemented built-in script function "search()".
181         - Implemented built-in script function "sort()".
182         - NKSP Fix: Never suspend "init" event handlers.
183         - Implemented built-in script function "same_region()" (currently only
184           available for gig format engine).
185         - Added built-in script constant "$NKSP_LINEAR".
186         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
187         - Implemented built-in script function "change_vol_curve()".
188         - Implemented built-in script function "change_tune_curve()".
189         - built-in "play_note()" function now supports a sample playback start
190           offset with argument 3, where special value -1 means to use the regular
191           sample offset as defined by the instrument file.
192         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
193         - Built-in variable $EVENT_NOTE is now a read-only variable.
194         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
195         - built-in "play_note()" function now accepts -2 for its fourth argument
196           (note duration) which means the life time of the note shall be sticked
197           to the requested note number of argument 1.
198         - Fix: built-in "play_note()" function now returns 0 as result value if
199           -1 was passed for its fourth argument (note duration) and the respective
200           parent note is already gone.
201        - Implemented built-in script function "change_play_pos()".
202        - NKSP language: Added support for user declared const array variables.
203        - NKSP language: Raise parser warning if array variable is accessed with
204          an index that exceeds the array's size.
205        - NKSP language fix: Unknown characters were not handled correctly.
206        - NKSP language: Added support for "synchronized .. end synchronized"
207          code blocks.
208        - Implemented built-in script function "abort()" which allows to abort
209          another script handler by passing its callback ID.
210        - Fixed potential memory access bug and potential undefined behavior of
211          "init" event handlers.
212        - Print a time stamp along to each call of built-in function "message()".
213        - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
214          to retrieve all code blocks filtered out by the preprocessor.
215    
216      * Instruments DB:
217        - Fixed memory access bug of general DB access code which lead to
218          undefined behavior.
219        - Cleanup of instruments DB file creation and opening code.
220        - The instrument DB path of linuxsampler's --create-instruments-db argument
221          is now optional, if it is missing, then a default location is used.
222        - Added support for scanning SFZ (.sfz) files.
223        - Added support for scanning Sound Font (.sf2) files.
224        - Fixed undefined DB transaction behavior.
225    
226    Version 2.0.0 (15 July 2015)
227    
228      * packaging changes:
229        - fixed building with newer MinGW-w64
230        - Mac OS X: support the new dir for Core Audio SDK
231        - Mac OS X: fixed building outside source directory
232        - made sure all source files for hostplugins are included when
233          doing "make dist"
234        - removed empty directories left from the cvs to svn migration
235        - fixed compilation with gcc 4.6.1
236        - another "make dist" fix, for the LV2 plugin
237        - made --enable-pthread-testcancel default on Mac OS X
238        - minor Makefile fix for building lscpparser when build and source
239          directories are separate
240        - Mac OS X: made it possible to specify plugin installation dir to
241          configure
242        - Mac OS X: Makefile fix for the install-strip target
243        - fixed compilation with gcc 4.7
244        - fixed configure script error with old autoconf versions
245        - lsatomic.h: use gcc provided atomic functions if building with
246          gcc 4.7 and C++11
247        - modernized configure script
248        - fixed linkage error when building with
249          LDFLAGS="-Wl,--no-undefined" (#190)
250        - fixed compilation with Clang 3.2
251        - removed usage of deprecated Automake variable INCLUDES
252        - fixed building with C++11
253        - build fix: ChangeFlagRelaxed.h was missing in makefile
254        - build fix: libsndfile compiler flags were missing in some
255          makefiles
256        - fix for building with bison 3.0 (#202)
257        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
258          on the process's main thread
259        - fixed build error on newer MinGW
260        - support building with older jack versions
261        - support building with spaces in vst sdk path
262        - enabled automake 'subdir-objects' option and moved external
263          source references (vst, au, asio) from makefiles to cpp files,
264          in order to get rid of warnings from automake 1.14
265    
266      * general changes:
267        - Refactoring: moved the independent code from
268          the Gigasampler format engine to base classes
269        - command line option '--profile' is currently disabled, since the
270          respective profiling code is currently broken
271        - Introduced support for optional environment variable
272          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
273          where the sampler shall look for instrument editor plugins
274          (patch by Luis Garrido, slightly modified).
275        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
276        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
277        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
278          note (in this implementation of the sampler its simply hard routed to
279          the 1st effect send of the sampler channel, no matter what the actual
280          effect type is)
281        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
282          note (in this implementation of the sampler its simply hard routed to
283          the 2nd effect send of the sampler channel, no matter what the actual
284          effect type is)
285        - implemented support for internal LADSPA effects
286        - raised limit of program change queue from 100 to 512
287          (as suggested by Alex Stone)
288        - implemented sine LFO, pulse LFO and saw LFO
289        - experimental support for per voice equalization
290        - added command line option --exec-after-init
291        - Introduced new C++ API method:
292          EngineChannel::InstrumentFileName(int index)
293          allowing to retrieve the whole list of files used for the loaded
294          instrument on an engine channel (a.k.a. part). Some GigaStudio
295          instruments for example are splitted over several files like
296          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
297        - Added new C++ API method Sampler::GetGlobalMaxVoices().
298        - Added new C++ API method Sampler::GetGlobalMaxStreams().
299        - Added new C++ API method Sampler::SetGlobalMaxVoices().
300        - Added new C++ API method Sampler::SetGlobalMaxStreams().
301        - Various "const" and "restrict" optimizations.
302        - all engines: add pan CC value to instrument pan parameter before
303          applying panning, instead of using two separate pan functions in
304          series (#182)
305        - added a lock guard class for exception safe mutex handling and
306          used it everywhere appropriate
307        - Immediately apply scale tuning changes to active voices.
308        - Exposed scale tuning to C++ API (along to the already existing standard
309          SysEx way).
310        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
311          and broken for ppc64. (Seq_cst loads and stores are actually not
312          used in LS, so the bug wasn't noticable.)
313        - lsatomic.h: added ARMv7 support
314        - Added support for multiple MIDI input ports per sampler channel (and
315          added various new C++ methods for this new feature / design change, old
316          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
317          as deprecated but are still there and should provide full behavior
318          backward compatibility).
319        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
320          unsafe and caused compilation error with clang 2.x).
321        - Bugfix: only process the latest MIDI program change event.
322        - Introducing the LSCP shell, which provides convenient control of the
323          sampler from the command line by providing LSCP aware features.
324        - VirtualMidiDevice: Added support for program change.
325        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
326        - VirtualMidiDevice: Added support for pitch bend.
327        - Aftertouch: extended API to explicitly handle channel pressure and
328          polyphonic key pressure events (so far polyphonic pressure was not
329          supported at all, and channel pressure was rerouted as CC128 but not
330          used so far).
331        - Added initial support for real-time instrument scripts. The script VM
332          code is shared by all sampler engine implemementations, however only the
333          gig file format currently provides support for storing instrument scripts
334          (as LinuxSampler extension to the original GigaStudio 4 format).
335    
336      * Gigasampler format engine:
337        - implemented the "round robin keyboard" dimension
338        - fixed round robin and random dimensions for cases when number of
339          dimension zones is not a power of two
340        - made round robin use a counter for each region instead of each
341          key
342        - bugfix: pitch LFO controller "internal+aftertouch" was broken
343        - bugfix: filter keyboard tracking was broken
344        - filter performance fix (an unnecessary copy was made of the
345          filter parameters in each sub fragment)
346        - handle special case when pan parameter in gig file has max or
347          min value
348        - Exclusive Groups: don't ever stop voices of the same note,
349          doesn't sound naturally with a drumkit
350        - fixed EG1 modulation when attack or release is zero
351        - Fixed support for 'aftertouch' attenuation controller.
352        - Fixed crash that happened with velocity split sounds under certain
353          conditions (see also previous commit on libgig).
354        - fixed behaviour of filter LFO
355    
356      * SFZ format engine:
357        - Initial implementation (not usable yet)
358        - added support for v2 multiple stage envelope generators
359        - added a fine-tuned v1 envelope generator instead of using the
360          one from the gig engine
361        - fixed memory leak and memory handling errors
362        - added support for trigger=first, trigger=legato and sw_previous
363        - allow non-numerical key values ("C#4" for example)
364        - "key" opcode now sets pitch_keycenter too
365        - fixed error when unloading instrument with same sample used by
366          multiple regions
367        - added some opcode aliases, like loopmode for loop_mode, to be
368          more compatible
369        - added support for trigger=release and rt_decay
370        - added support for off_mode=normal
371        - added support for random, seq_position, seq_length and volume
372        - added v1 LFO opcodes to parser (no support in engine yet)
373        - added support for amp_veltrack and amp_velcurve_N
374        - fine-tuned the default velocity curve
375        - added support for transpose
376        - fixed crash when using sw_down/up
377        - improved logic for sw_lokey/hikey/up/down/last
378        - added more v1 aliases to parser
379        - reduced memory usage for sfz data
380        - RT-safeness: avoid malloc in audio thread
381        - fixed a bug that could cause voice stealing to fail
382        - optimized sample lookup
383        - improved support for exclusive groups (group, off_by and
384          off_mode)
385        - added support for controller triggered regions (on_locc/on_hicc)
386        - added support for loop_mode=one_shot
387        - fixed playback of 16 bit wav files on big endian CPUs
388        - added support for Ogg Vorbis sample files
389        - use loop markers from sample file if loop_start and loop_end are
390          not set in sfz file
391        - implemeted filters. Filter types: lowpass, bandpass, bandreject
392          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
393          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
394          cutoff_cc, cutoff_chanaft.
395        - bugfix: zero ampeg_sustain didn't work
396        - added support for velocity effect on amplifier envelope time
397          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
398          ampeg_vel2release)
399        - added support for EG hold (ampeg_hold)
400        - added support for sample offset (offset)
401        - use the newly introduced signal units model
402        - implemented opcodes lfoN_delay,
403          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
404        - implemented opcodes ampeg_delay, ampeg_vel2delay
405          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
406          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
407          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
408          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
409        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
410          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
411          amplfo_delay, amplfo_freq, amplfo_depth
412        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
413          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
414          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
415          fileg_vel2release
416        - implemented opcode lfoN_wave
417        - implemented opcode pitchlfo_depthccN
418        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
419          lfoN_pitch, lfoN_pitch_onccX
420        - implemented opcodes pitchlfo_fade,
421          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
422        - implemented opcodes fillfo_freqccN,
423          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
424        - implemented opcodes ampeg_delayccN, ampeg_startccN,
425          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
426          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
427        - lfoN_* and egN_* opcodes defined in group sections
428          are now taken into account
429        - implemented curves
430        - implemented opcodes volume_onccN, volume_curveccN
431        - implemented opcode volume_smoothccN
432        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
433          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
434          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
435          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
436          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
437        - implemented opcode end
438        - implemented opcodes egN_amplitude_onccX,
439          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
440          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
441        - implemented opcodes xfin_lokey, xfin_hikey,
442          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
443          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
444          xfout_loccN, xfout_hiccN, xf_cccurve
445        - implemented opcodes pan_onccN, pan_smoothccN,
446          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
447          egN_pan_curveccX, pitch_veltrack
448        - when failed to parse a sfz file
449          print the line number on which the error occurs
450        - use common pool of CC objects to minimize RAM usage
451        - implemented opcodes amplfo_delay_onccN,
452          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
453          pitchlfo_delay_onccN, pitchlfo_fade_onccN
454        - implemented opcodes fileg_delay_onccN,
455          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
456          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
457          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
458          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
459          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
460        - implemented automatic aliasing *ccN <-> *_onccN
461        - *lfo_freqccN wasn't working when the respective *lfo_freq
462          was not set or was set to zero
463        - lfoN_freq_onccX wasn't working when lfoN_freq
464          was not set or was set to zero
465        - implemented opcodes resonance_onccN, resonance_smoothccN,
466          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
467        - implemented opcodes fillfo_depthchanaft,
468          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
469          pitchlfo_depthchanaft, pitchlfo_freqchanaft
470        - implemented opcodes pitch_onccN,
471          pitch_curveccN, pitch_smoothccN, pitch_stepccN
472        - implemented opcodes volume_stepccN, pan_stepccN,
473          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
474          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
475          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
476        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
477          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
478          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
479          eq1_gainccN, eq2_gainccN, eq3_gainccN
480        - implemented opcodes delay, delay_onccN, delay_random,
481          delay_samples, delay_samples_onccN
482        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
483          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
484          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
485          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
486          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
487          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
488          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
489          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
490          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
491          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
492          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
493          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
494          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
495          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
496          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
497        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
498          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
499        - sfz parser: allow double spaces in sample filenames
500        - sfz parser: allow absolute paths for sample filenames
501        - use linear decay and release for filter and pitch EG
502        - bugfix: only the first amp_veltrack definition in a file was
503          used
504        - bugfix: looping was disabled if loop_start was set to 0
505        - allow regions with end=-1 to turn off other regions using the
506          group and off_by opcodes (#168)
507        - made end=0 play the whole sample
508        - fixed support for lochan and hichan opcodes (#155)
509        - fixed crash when using lochan/hichan opcodes (#187)
510        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
511        - added FLAC support (#191)
512        - sfz parser bugfix: lines starting with whitespace were ignored
513        - added amplitude opcode
514        - added support for "#include" instruction
515          (modified patch which was originally posted by Sergey on LS mailing list)
516        - bugfix: generation of velocity curves etc should not be done
517          after each "#include", only after the main file is parsed
518        - bugfix: line numbers in error messages were wrong after "#include"
519        - added support for float and 32 bit sample files
520    
521      * SoundFont format engine:
522        - Initial implementation (not usable yet)
523        - RT-safeness: avoid malloc in audio thread
524        - fixed a bug that could cause voice stealing to fail
525        - fine-tuned amplitude EG (by switching from gig to sfz EG)
526        - initial implementation of Vibrato LFO and Modulation LFO
527        - initial implementation of cutoff filter
528        - use linear decay and release for filter and pitch EG
529    
530      * Host plugins (VST, AU, LV2, DSSI):
531        - AU bugfix: failed to destroy its audio/MIDI devices
532        - Listen to all interfaces on Mac OS X (INADDR_ANY)
533        - VST bugfix: If the host called resume() before and after
534          changing sample rate or block size, the number of channels was
535          incorrectly set to two. This caused silence in Cubase 5.
536        - save engine type (gig, sfz or sf2) in plugin state
537        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
538          64 bit Windows
539        - AU: changed number of output channels from one stereo to 16
540          stereo
541        - VST: made it possible to build the VST plugin for Mac
542        - AU: link AU plugin dynamically if --disable-shared isn't
543          specified
544        - LV2 "state" extension support (patch by David Robillard)
545        - VST bugfix: instrument loading hang and crashed the host when
546          the plugin was loaded a second time (#174)
547        - plugin bugfix: instrument loading hang when the plugin was
548          loaded a second time (this time it's for Linux and Mac, previous
549          similar fix was for Windows)
550        - thread safety fixes for the instrument loading thread
551        - LV2: use the new lv2 package if present
552        - VST: try to open Fantasia automatically on Linux and Mac too (on
553          Linux, the Fantasia jar should be placed in <prefix>/share/java)
554        - VST: fixed crashes on Linux Ardour and EnergyXT
555        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
556          port and audio channel routing for DSSI plugins are now visible.
557        - LV2: use urid and atom extensions instead of deprecated uri-map
558          and event
559        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
560        - LV2: changed number of output channels to 16 stereo, just like
561          the VST and AU plugins
562        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
563        - LV2: made LV2 plugin buildable on Windows and Mac
564        - VST: implemented retrieval and switching of programs using the
565          sampler's internal MIDI instrument mapping system
566    
567      * Instrument editor interface:
568        - Changed instrument editor plugin interface, providing additional
569          informations like the EngineChannel for which the instrument editor was
570          spawned for. This allows the instrument editors to interact more actively
571          with the sampler.
572    
573      * MIDI driver:
574        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
575          the ALSA sequencer client name
576        - removed limit of maximum amount of MIDI ports per MIDI device, since
577          there is no reason for this limit
578        - MME: fixed memory handling bug found with cppcheck
579        - MME: removed compiler warning
580        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
581          which allows to retrieve the list of CoreMIDI clients / ports and to connect
582          to them a la JACK, via the usual sampler APIs
583        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
584          the driver will automatically connect to other CoreMIDI clients' ports
585          (e.g. external MIDI devices being attached to the Mac)
586        - added support for MIDI note on velocity filter
587        - CoreMIDI: fixed memory deallocation error
588        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
589          virtual keyboards in frontends / instrument editors being stuck.
590        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
591        - Implemented missing handling of MIDI "running status".
592        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
593        - MME bugfix: driver wasn't closed properly
594        - CoreMIDI: automatically connect to all input sources by default (driver
595          parameter "AUTO_BIND").
596        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
597        - CoreMIDI: fixed minor memory leak
598    
599      * audio driver:
600        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
601        - JACK audio: react on sample rate changes.
602        - JACK audio: react on buffer size changes.
603        - JACK audio: jack_port_get_buffer() was cached and called outside
604          RT context.
605        - ASIO driver: removed compiler warnings
606        - CoreAudio: fixed minor error handling bug
607        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
608        - JACK audio: return the JACK server's current sample rate as default value
609          for audio device parameter "SAMPLERATE" (fixes #166).
610    
611      * LSCP server:
612        - added support for sending MIDI CC messages via LSCP command
613          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
614        - added LSCP command "GET AVAILABLE_EFFECTS"
615        - added LSCP command "LIST AVAILABLE_EFFECTS"
616        - added LSCP command "GET EFFECT INFO <effect-index>"
617        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
618        - added LSCP command
619          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
620        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
621        - added LSCP command "GET EFFECT_INSTANCES"
622        - added LSCP command "LIST EFFECT_INSTANCES"
623        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
624        - added LSCP command
625          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
626        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
627          <effect-instance> <input-control> <value>"
628        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
629        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
630        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
631        - added LSCP command
632          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
633        - added LSCP command
634          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
635        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
636          <effect-chain> <effect-instance>"
637        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
638          <effect-chain> <effect-chain-pos> <effect-instance>"
639        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
640          <effect-chain> <chain-pos>"
641        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
642          <fx_send_id> <effect_chain> <chain_pos>"
643        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
644        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
645          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
646          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
647        - provide comprehensive error messages on LSCP syntax errors
648          (suggesting expected next non-terminal symbols)
649        - Fixed client connection not being closed after network errors.
650    
651      * LSCP shell:
652        - Added support for auto correction of obvious and trivial syntax mistakes.
653        - Added support for auto completion by tab key.
654        - Show currently available auto completion while typing.
655        - Added support for browsing command history with up / down keys.
656        - Show all possible next symbols immediately right to the current command
657          line while typing (no double tab required for this feature, as it would
658          be the case in other shells).
659        - Added support for moving cursor left/right with arrow keys.
660        - Added support for built-in LSCP reference documentation, which will
661          automatically show the relevant LSCP reference section on screen as soon
662          as one specific LSCP command was detected while typing on the command
663          line.
664    
665      * Real-time instrument scripts:
666        - Implemented built-in script array variable %CC.
667        - Implemented built-in script int variable $CC_NUM.
668        - Implemented built-in script int variable $EVENT_NOTE.
669        - Implemented built-in script int variable $EVENT_VELOCITY.
670        - Implemented built-in script constant variable $VCC_MONO_AT.
671        - Implemented built-in script constant variable $VCC_PITCH_BEND.
672        - Implemented execution of script event handler "init".
673        - Implemented execution of script event handler "controller".
674        - Implemented execution of script event handler "note".
675        - Implemented execution of script event handler "release".
676        - Implemented built-in script function "play_note()" (only two of the
677          max. four function arguments are currently implemented yet though).
678        - Implemented built-in script int variable $EVENT_ID.
679        - Implemented built-in script function "ignore_event()"
680        - Implemented built-in script function "ignore_controller()" (may have one
681          or no argument).
682        - Implemented built-in script function "set_controller()".
683        - Added extended script VM for the Gigasampler/GigaStudio format sampler
684          engine, which extends the general instrument script VM with Giga format
685          specific variables and functions.
686        - Giga format scripts: added built-in script int constant variables
687          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
688          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
689          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
690          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
691          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
692          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
693          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
694          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
695          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
696          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
697        - Giga format scripts: Implemented built-in script function
698          "gig_set_dim_zone(event_id, dimension, zone)".
699        - Implemented built-in script int array variable %KEY_DOWN.
700        - Implemented built-in script function "abs()".
701        - Implemented built-in script function "random()".
702        - Implemented built-in script function "num_elements()".
703        - Implemented built-in script function "note_off()".
704        - Implemented built-in script function "set_event_mark()".
705        - Implemented built-in script function "delete_event_mark()".
706        - Implemented built-in script function "by_marks()".
707        - Added built-in script int const variables $MARK_1 to $MARK_28.
708        - Built-in script functions "ignore_event()", "note_off()" and
709          "gig_set_dim_zone()" now also accept an array of event IDs as argument
710          (i.e. return value of new script function "by_marks()").
711        - Pass/preserve polyphonic variable data from respective "note" event
712          handler to "release" event handler.
713        - Fixed crash when using built-in script function "by_marks()".
714    
715      * Bug fixes:
716        - Fixed crash which may occur when MIDI key + transpose is out of range
717        - minor valgrind fixes
718        - fixed crash which occurred when changing an already deployed sampler
719          channel to a different engine type
720        - fixed crash when deleting a sampler channel or changing engine
721          type while an instrument load was in progress
722        - bugfix: playing a note while changing the instrument could cause
723          a crash, or give "Handing back unknown region" error messages
724        - bugfix: calling SET VOICES (which Fantasia does on start and
725          refresh) could cause instruments to be unloaded
726        - Mac OS X: fixed name collision of enum in EffectControl and
727          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
728        - Mac OS X: fixed hanging threads
729        - Windows: disabled the previous thread fix on non-Mac systems, as
730          it caused hanging threads on Windows
731        - Fixed possible crashes due to corrupted MIDI/audio device list
732          after MIDI/audio device creation failure
733        - When creating MIDI instrument map entries with "PERSISTENT" type, the
734          instruments were uselessly precached with zero samples, however it still
735          took the full preloading time and on 1st program change the respective
736          instrument was completely reloaded again.
737        - fixed handling of rapid bank select and program change messages
738          sent to the same sampler channel (patch from the Open Octave
739          project, slightly adjusted)
740        - fixed crash when trying to create an effect instance with controls
741          which min and/or max values depend on the sample rate
742        - fixed bug #162
743        - bugfix: LADSPA_PATH was not evaluated correctly when containing
744          multiple paths (#165)
745        - thread safety fixes for the instrument loading thread
746        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
747          (#176)
748        - more thread safety fixes for the instrument loading thread
749        - sfz/sf2 engine: fixed crash when using small audio fragment size
750        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
751        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
752          introduced in previous fix)
753        - fixed crash when a channel received a program change while
754          playing a note in a key group
755        - fixed erroneous error message piping in VoiceBase.h
756          (labelled "Disk stream not available in time")
757        - Update effects on sample rate & period size changes (to avoid
758          crashes and noise on such transitions).
759        - ignore missing LADSPA paths without ignoring valid LADSPA paths
760          (fixes #208)
761        - Fixed bug in LSCP grammar definition which caused a statement like
762          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
763          practically irrelevant, however it caused problems with the new LSCP
764          shell's auto completion feature).
765        - Fixed MIDI program change messages being ignored if quickly executed
766          after each other (fixes #231).
767    
768    Version 1.0.0 (31 July 2009)
769    
770      * packaging changes:
771        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
772          causing e.g. the libgig test to fail when
773          "./configure --disable-jack-driver" was used
774          (patch by Alexis Ballier)
775        - fixed compilation with gcc 4.3
776        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
777        - fixed configure so it detects x86_64 (#107)
778        - fixes for building with newer MinGW versions
779        - fix for building with bison 2.4 (#111)
780        - fixed building with libgig installed in a non-standard directory
781        - minor fix in configure for mmsystem.h detection on MinGW
782        - Windows: look for editor plugins and Fantasia using base
783          directory of liblinuxsampler dll (look in the same directory and one
784          directory above)
785        - configure script fix: removed unconditional use of SSE
786        - fixed building with sqlite installed in a non-standard directory
787        - when cross-compiling, don't try to create instruments.db
788        - fix for new mingw-w64 version, which has usleep
789    
790      * general changes:
791        - bugfix: on some POSIX systems instrument editor plugins refused to
792          load as we used a non-portable Linux specific struct field
793          (fixes bug #70, patch by Ronald Baljeu)
794        - fixed endless loop which occured when loading an instrument editor
795          plugin DLL on Windows systems failed
796        - fixed memory leaks that occurred when liblinuxsampler was unloaded
797        - optimized the SynchronizedConfig class so it doesn't wait
798          unnecessarily long after an update
799        - added support for notifying instrument editors on note-on / note-off
800          events (e.g. to highlight the pressed keys on the virtual keyboard
801          of gigedit)
802        - added support for triggering notes by instrument editors (see above)
803        - be verbose on DLL load errors (on Linux)
804        - fixed di-harmonic triangle LFO implementation (this LFO implementation
805          is only used by very few systems, most pick the int math
806          implementation, which is usually faster)
807        - fixes for audio drivers with varying buffer sizes
808        - experimental support for running LinuxSampler as a DSSI, LV2 and
809          VST plugin
810        - notification events for stream/voice count statistics are now sent
811          only when there are actual changes
812        - added memory ordering constraints to improve stability on
813          multi-core and multi-cpu systems
814        - maximum voices and disk streams can now be altered at runtime
815        - fixed CPU feature detection on x86_64 (maybe fixes #108)
816        - automatic stacktrace mechanism is now turned off by default and can
817          be switched on by command line option "--stacktrace" (the automatic
818          stacktrace mechanism seems to be broken on most systems at the moment)
819        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
820          a pointer to the launched InstrumentEditor object
821        - added optional 3rd party user data parameter for following
822          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
823          InstrumentEditor::Launch(),
824          InstrumentManager::LaunchInstrumentEditor()
825        - theoretical fix: made SynchronizedConfig follow C++0x memory
826          model more strictly
827        - fixes for using large audio device buffers
828        - Windows: add the installation directory to the DLL search path
829          when loading an editor plugin (solves problems with VST and
830          gigedit on systems with other GTK versions installed)
831        - updated linuxsampler man page
832    
833      * audio driver:
834        - removed the nonsense audio channel constraint (which was hard coded to
835          max. 100 audio channels) for most audio drivers
836        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
837          opposed to the LSCP specs
838        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
839          reflected the wrong value
840        - fixed a memory management bug in ASIO driver
841        - Makefile fix: JACK_CFLAGS wasn't used
842        - JACK: use jack_client_open instead of the deprecated
843          jack_client_new
844        - added (experimental) CoreAudio driver
845        - applied old fixes to the ASIO driver that were included in the
846          previous binary release but accidentally never committed to CVS
847          (fixes #117)
848        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
849          win64)
850        - VST: added support for sample rate and buffer size changes
851        - VST: close editor (Fantasia) when the VST is removed
852        - VST: avoid opening Fantasia more than once for each VST instance
853        - VST: export main function as "main" on Linux too (fix for
854          energyXT)
855        - VST: changed number of output channels from one stereo to 16
856          stereo
857        - added channel routing, fxsends and midi maps to the settings
858          stored in the plugin state
859        - performance optimization of AudioChannel::MixTo() and
860          AudioChannel::CopyTo() methods using GCC vector exensions
861          (if available)
862        - ASIO fixes: avoid initializing the device twice, avoid throwing
863          exception when getting parameters from a disconnected device
864    
865      * MIDI driver:
866        - added JACK MIDI driver
867        - dispatch bank select as ordinary CC as well, the user might seriously
868          want to (mis)use it for some purpose ("fixed" in all current MIDI
869          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
870        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
871          CoreMidi or AU
872        - fixed mingw-w64 compilation error in MME driver
873        - made program change handling in MIDI thread real-time safe by
874          moving the logic to a non-RT thread
875        - fixed minor memory leak in ALSA driver
876    
877      * instruments database:
878        - avoid time consuming samples scanning when adding instruments
879          to the instruments database
880        - added support for handling lost files in the instruments database
881        - Implemented option for adding instruments in separate directories
882          in the instruments database
883          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
884        - work-around for missing fnmatch function on Windows to make
885          instrument database compilable
886        - added instrument database support on Windows
887          works with both standalone mode and VST plugin.
888          the instruments DB file is located in
889          %USERPROFILE%\.linuxsampler\instruments.db which allows different
890          databases for each windows user
891          if no DB is present it automatically creates the .linuxsampler subdir
892          and then creates an empty DB
893        - fixed recursive import, which was broken on Windows
894    
895      * Gigasampler format engine:
896        - fixed a memory leak that could happen when a channel was deleted
897          while notes were playing
898        - made it possible to load an instrument even if the audio thread
899          isn't running
900        - added partial support for the "Controller Triggered" MIDI rule,
901          enough for piano gigs with pedal noise samples
902        - minor fix: only mark FX sends as being modified if really the
903          respective FX send MIDI controller was used
904        - added support for GM global device volume SysEx message
905          (can be selected at compile time to either apply globally to the
906          whole sampler [default] or only to the sampler channels that are
907          connected to the respective MIDI input port the SysEx message arrived
908          on)
909        - bugfix: notes triggered at position 0 in the audio buffer were
910          sometimes wrongly killed in the same buffer, causing no sound to
911          be played
912        - added support for chromatic / drumkit mode Roland GS Sysex message
913          which is usally used to switch a part between chromatic sounds and
914          drumkit sounds (as opposed to their common default setting of MIDI
915          part 10 being a drumkit part and all other ones chromatic parts), in
916          LS however one can switch between the first 16 MIDI instrument maps
917          defined for the sampler
918        - made it possible to create multiple sample channels even if the
919          audio thread isn't running
920        - fixed crash when removing channel with active voices (#116)
921        - bugfix: on sample reference changes (instrument editor), only
922          un-cache the respective sample if it's really not used by any
923          sampler engine anymore
924        - re-cache samples in case they were changed by an instrument editor,
925          e.g. when a sample was added while playing (#82)
926        - fixed hanging notes which occured when note-off event had the exact
927          same time stamp as the voice's note-on event and occured both in the
928          same audio fragment cycle (fixes bug #112)
929        - added support for the "fine tune" and "pitch bend range"
930          instrument-level gig parameters
931        - fixed minor artifacts in pitch bend handling
932        - added support for GS Reset SysEx message
933        - allow gig files to use unlimited downward pitch shifting
934        - added a limit check for upward pitch shifting
935        - bugfix: sometimes, when playing a note twice fast, the second
936          note was silent
937        - fixed crash happening when a pitch bend event arrived at the
938          same time a new instrument was loading
939    
940      * LSCP server:
941        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
942          react on MIDI data arriving on certain sampler channels (so far only
943          Note-On and Note-Off events are sent via this LSCP event)
944        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
945          react on MIDI data arriving on certain MIDI input devices (so far only
946          Note-On and Note-Off events are sent via this LSCP event)
947        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
948          SET DB_INSTRUMENT FILE_PATH
949        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
950          frontends to send MIDI messages to specific sampler channel
951        - added two additional fields to GET FILE INSTRUMENT INFO command -
952          KEY_BINDINGS and KEYSWITCH_BINDINGS
953        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
954          was incorrect
955        - Optimized the retrieval of the MIDI instrument mappings
956        - added new LSCP command "SET VOICES" to globally alter the maximum
957          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
958          be triggered respectively
959        - added new LSCP command "SET STREAMS" to globally alter the maximum
960          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
961          which will be triggered respectively
962        - bugfix: retry if "select" returns EINTR (this fixes a crash when
963          a gigedit file dialog is opened)
964        - close all connections when LSCPServer is deleted
965        - hard close of all sockets on exit
966        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
967          driver
968    
969      * Bug fixes:
970        - fixed a crash which occurs when removing a sampler channel waiting
971          to start instrument loading after another channel
972        - fixed a crash which occurs when removing a sampler channel with
973          instrument loading in progress (bug #113)
974        - fixed termination caused by uncaught exception when adding MIDI
975          instrument with PERSISTENT load mode
976        - fixed possible iterator invalidations when resetting the sampler
977        - fixed memory leaks when issuing the following LSCP commands:
978          GET AUDIO_OUTPUT_DRIVER INFO
979          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
980          GET MIDI_INPUT_DRIVER INFO
981          GET MIDI_INPUT_DRIVER_PARAMETER INFO
982        - fixed possible compilation error when sqlite is not present
983        - fixed orphaned pointers when setting maximum voices limit (bug #118)
984        - fixed crash when changing the audio output device of a sampler
985          channel with loaded instrument and start playing notes
986        - fixed endless loop in Engine::SuspendAll() (bug #120)
987        - fixed a low-level atomic load function that was broken on 64-bit
988          PowerPC, which probably could cause crashes on that platform
989        - fixed a memory management error which could cause a crash when a
990          plugin was unloaded
991        - bugfix: two private structs had the same name, which could cause
992          problems if the linker chose the wrong constructor
993        - fixed low-level ConditionServer usage bug that caused lockups on
994          Windows
995    
996    
997    Version 0.5.1 (6 December 2007)
998    
999      * packaging changes:
1000        - added autoconf checks for pthread library
1001        - added autoconf check for pthread bug found on certain NPTL-enabled
1002          glibc versions (see Gentoo bug report #194076)
1003        - added autoconf checks for MS Windows
1004    
1005      * general changes:
1006        - bugfix: the thread used by an editor plugin didn't die when the
1007          editor closed
1008        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
1009          out all the space. operator--() did not apply size_mask after
1010          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
1011          order to avoid problems with the _NonVolatileReader functions.
1012        - bugfix: Stream.h: added a missing divide by BytesPerSample in
1013          GetWriteSpace(). Since this function is currently only used in
1014          the stream's qsort() compare function, it didn't trigger any
1015          bugs.
1016        - Resampler.h, Synthesizer.h: cubic interpolation now works in
1017          24bit mode too. Faster method to read 24bit words on little
1018          endian machines (x86): replaced 3 byte reads + shifts with a 1
1019          unaligned 32bit read and shift
1020        - experimental support for MS Windows (MIDI input via MME, AUDIO
1021          output via ASIO)
1022        - made handling of SIGINT signal (Ctrl-C) a bit more robust
1023        - support for monitoring the total number of active disk streams
1024          (new LSCP commands: GET TOTAL_STREAM_COUNT,
1025          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
1026    
1027      * AUDIO driver:
1028        - added Windows ASIO low latency audio driver
1029    
1030      * MIDI driver:
1031        - added MME Windows MIDI driver
1032    
1033      * LSCP server:
1034        - added support for Windows style path / filenames, however with
1035          forward slash path separators instead of backslash
1036          (i.e. "C:/foo/bar.gig")
1037        - allow naughty liblscp to send non-string device parameters within
1038          apostrophes as well
1039        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
1040          "LIST FILE INSTRUMENTS <file>" and
1041          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
1042          about an arbitrary instrument file on the system where the sampler is
1043          running on
1044    
1045    Version 0.5.0 (15 October 2007)
1046    
1047    * packaging changes:    * packaging changes:
1048        - config.h is not going to be installed along with liblinuxsampler's
1049          API header files anymore
1050      - only the API relevant header (and source) files will be exported to      - only the API relevant header (and source) files will be exported to
1051        the Doxygen API documentation (explicitly listed in Doxyfile.in)        the Doxygen API documentation (explicitly listed in Doxyfile.in)
1052        - added completely new XCode project files for Mac OSX which is now
1053          capable to execute our autoconf environment, thus no need anymore
1054          to maintain the compile time configuration file (osx/version.h) for
1055          OSX manually (patch by Toshi Nagata)
1056        - fixed buggy boolean --enable-foo / --disable-foo configure script
1057          parameters
1058        - global.h now only covers global definitions that are needed for the
1059          C++ API header files, all implementation internal global definitions
1060          are now in global_private.h
1061        - atomic.h is not exposed to the C++ API anymore
1062        - no need to include config.h anymore for using LS's API header files
1063        - fixed warnings in API doc generation
1064    
1065    * general changes:    * general changes:
1066      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
# Line 32  Version CVS HEAD (?) Line 1090  Version CVS HEAD (?)
1090        controllers        controllers
1091      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
1092      - Implemented new, improved notification system      - Implemented new, improved notification system
1093        - fixed compilation errors regarding OSX
1094          (patch by Toshi Nagata)
1095        - implemented instruments database
1096        - added support for escape sequences to the instruments database
1097        - added highly experimental support for on-the-fly instrument editing
1098          within the sampler's process (by using instrument editor plugins),
1099          you'll notice the new "Registered instrument editors:" message on
1100          startup, added a new LSCP command:
1101          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
1102          to spawn a matching instrument editor for the instrument on the
1103          given sampler channel, the plugin path can be overridden at compile
1104          time with ./configure --enable-plugin-dir=/some/dir
1105        - added experimental code for synchronizing instrument editors hosted
1106          in the sampler's process to safely edit instruments while playing
1107          without a crash (hopefully) by either suspending single regions
1108          wherever possible or if unavoidable whole engine(s)
1109        - fixed several issues in fundamental "Thread" class: set scheduling
1110          policy and priority on thread level, set a minimum stack size for
1111          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
1112          threads simply inherited properties of starting thread instead of
1113          setting their own policy and priority
1114        - minor fix in our automatic stack trace mechanism on crashes, the
1115          main process did not wait for the stack trace process to finish
1116          its output
1117        - fixed some minor memory leaks
1118        - reenabled assembly features support, at the moment only for
1119          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
1120        - minor assembly fix in x86 features detection (don't use the PIC
1121          register, to avoid relocations in the text segment at runtime)
1122        - POSIX callback functions of Thread.h are hidden
1123    
1124    * MIDI driver:    * MIDI driver:
1125      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 56  Version CVS HEAD (?) Line 1144  Version CVS HEAD (?)
1144        even if sustain is 100%        even if sustain is 100%
1145      - more EG fixes: the level could sometimes go below zero and cause      - more EG fixes: the level could sometimes go below zero and cause
1146        noises or crashes        noises or crashes
1147        - minor fix of EGDecay (patch by Toshi Nagata)
1148        - fixed compiler error when --enable-override-filter-type was
1149          supplied to the configure script (fixes #46)
1150        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1151          instead of a fix value
1152        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1153          127 (solo mode) only kill voices if the respective mode really
1154          changed
1155    
1156      * LSCP server:
1157        - fixed compile time error for old Bison versions
1158          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1159        - parser now supports extended ASCII character set
1160          (up to ASCII code 255, i.e. includes now umlauts and accents)
1161        - filename arguments in LSCP commands now allow to use escape
1162          sequences, that is directly literal as one of: \', \", \\, \n, \r,
1163          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1164          code value like \xf2) (fixes bug #24)
1165        - the following LSCP commands now also support escape sequences for at
1166          least one of their text-based parameters (i.e. name, description):
1167          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1168          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1169          "SET DB_INSTRUMENT_DIRECTORY NAME",
1170          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1171          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1172          "FIND DB_INSTRUMENT_DIRECTORIES"
1173        - returns verbose syntax errors (line and column where syntax error
1174          occured, the unexpected character and the actually expected, possible
1175          character(s), the latter only if less than 5 possibilities)
1176        - made sure that LSCP syntax is not affected by gigedit locale
1177          settings
1178        - bugfix regarding strings parameter lists: all comma separated lists
1179          of strings were treated as being one string containing commas
1180          (fixes #57)
1181    
1182    * Bug fixes:    * Bug fixes:
1183      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
1184      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
1185        channel audio output device"        channel audio output device"
1186        - fixed a crash which occurs when reassigning the same engine
1187          on a sampler channel with connected MIDI device
1188        - fixed a crash which occurs when changing the number of ports of a MIDI
1189          device connected to a sampler channel to number less then or equal
1190          to the index of the port to which the sampler channel is connected.
1191        - The previous bindings were not been disconnected when altering
1192          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1193          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1194        - The active stream/voice count statistic was incorrect.
1195        - notification events were not been sent for some sampler
1196          channel changes
1197        - added default min and max values to restrict the number of allowed
1198          audio output channels and MIDI input ports
1199        - the connection to the PCM interface is now closed when destroying
1200          an audio output device
1201        - files with slash in their path or filename could not be loaded
1202    
1203      * test cases:
1204        - updated and fixed (haven't been touched in a while)
1205    
1206  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
1207    

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