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revision 849 by schoenebeck, Sat Mar 25 13:05:59 2006 UTC revision 3205 by schoenebeck, Wed May 24 20:05:38 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    
48      * packaging changes:
49        - removed unnecessary dependency to libuuid
50          (originated by libgig's usage of it)
51        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
52          auto detect whether it (sh/c)ould output its messages in color.
53    
54      * Real-time instrument scripts:
55        - Implemented scheduler for delayed MIDI events and for suspended scripts.
56        - Built-in script function "wait()": implemented support for function's
57          "duration-us" argument, thus scripts using this function are now
58          correctly resumed after the requested amount of microseconds.
59        - Built-in script function "play_note()": implemented support for
60          function's "duration-us" argument, thus notes triggered with this
61          argument are now correctly released after the requested amount of
62          microseconds.
63        - Fix: script events were not cleared when engine channel was reset,
64          potentially causing undefined behavior.
65        - Fixed crash which happened when trying to reference an undeclared
66          variable.
67        - Built-in script function "play_note()": Added support for passing
68          special value -1 for "duration-us" argument, which will cause the
69          triggered note to be released once the original note was released.
70        - Instrument script classes now exported with the liblinuxsampler C++ API.
71        - Added new API method ScriptVM::syntaxHighlighting() which provides
72          a convenient syntax highlighting backend for external instrument
73          script editor applications.
74        - Added new C++ API class "ScriptVMFactory".
75        - Extended parser issues to provide not only first line and first
76          column, but also last line and last column of issue (thus marking
77          the precise span of the issue within the source code).
78        - Reload script automatically after being modified by an instrument
79          editor.
80        - NKSP language grammar correction: allow empty event handler bodies
81          like "on note end on".
82        - Implemented built-in script function "change_vol()".
83        - Implemented built-in script function "change_tune()".
84        - Implemented built-in script function "change_pan()".
85        - Implemented built-in script function "change_cutoff()".
86        - Implemented built-in script function "change_reso()".
87        - Implemented built-in script function "event_status()".
88        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
89          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
90          "event_status()" function.
91        - NKSP language: Added support for bitwise operators ".or.", ".and."
92          and ".not.".
93        - NKSP language scanner: Fixed IDs matching to require at least one
94          character (i.e. when matching function names or variable names).
95        - NKSP language scanner: disabled unusued rules.
96        - Fixed behavior of play_note() and note_off() functions which must
97          be distinguished engine internally from "real" MIDI note on/off
98          events in order to avoid misbehaviors like hanging notes.
99        - Implemented built-in script variable "$KSP_TIMER".
100        - Implemented built-in script variable "$NKSP_REAL_TIMER".
101        - Implemented built-in script variable "$NKSP_PERF_TIMER".
102        - Implemented built-in script variable "$ENGINE_UPTIME".
103        - Implemented built-in script function "inc()".
104        - Implemented built-in script function "dec()".
105        - NKSP language fix: division expressions were evaluated too often.
106        - NKSP language fix: string concatenation operator was right
107          associative instead of left (to right).
108        - NKSP language correction: allow empty statements in entire language
109          (i.e. "if end if").
110        - Implemented built-in script function "stop_wait()".
111        - Implemented built-in script variable "$NI_CALLBACK_ID".
112        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
113        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
114        - Added support for read-only built-in variables (respectively
115          handled by the script parser).
116        - Added built-in script constant "$NI_CB_TYPE_INIT".
117        - Added built-in script constant "$NI_CB_TYPE_NOTE".
118        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
119        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
120        - NKSP Language: Added support for user defined script functions.
121        - Implemented built-in script function "change_attack()".
122        - Implemented built-in script function "change_decay()".
123        - Implemented built-in script function "change_release()".
124        - Fixed all change_*() built-in script functions to apply their
125          synthesis parameter changes immediately in case the respective note
126          was triggered at the same time, instead of scheduling the parameter
127          change, especially because it would cause some parameter types's
128          changes either to be ramped (i.e. change_vol()) or other types even
129          to have not effect at all (i.e. change_attack()).
130        - Implemented built-in script function "sh_left()".
131        - Implemented built-in script function "sh_right()".
132        - Implemented built-in script function "min()".
133        - Implemented built-in script function "max()".
134        - NKSP Fix: "init" event handler was not always executed when a script
135          was loaded.
136        - NKSP built-in wait() script function: abort script execution if
137          a negative or zero wait time was passed as argument (since this is
138          a common indication of a bug either of the script or even of the
139          engine, which could lead to RT instability or even worse).
140        - ScriptVM: Implemented automatic suspension of RT safety
141          threatening scripts.
142        - Provide more user friendly error messages on syntax errors.
143        - Fixed NKSP parser warning "Not a statement" when assigning an
144          initializer list to an array variable.
145        - Implemented built-in script array variable "%ALL_EVENTS".
146        - Implemented built-in script function "in_range()".
147        - Implemented built-in script function "change_amp_lfo_depth()".
148        - Implemented built-in script function "change_amp_lfo_freq()".
149        - Implemented built-in script function "change_pitch_lfo_depth()".
150        - Implemented built-in script function "change_pitch_lfo_freq()".
151        - Implemented built-in script function "change_vol_time()".
152        - Implemented built-in script function "change_tune_time()".
153        - Implemented built-in script function "fade_in()".
154        - Implemented built-in script function "fade_out()".
155        - Fixed acceptance of wrong data type of parameters passed to built-in
156          script functions "change_vol()", "change_tune()", "change_pan()",
157          "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
158          "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
159          "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
160        - Added built-in script function "get_event_par()" and implemented some
161          of its possible parameter selections.
162        - Added built-in script function "set_event_par()" and implemented some
163          of its possible parameter selections.
164        - Fixed a bunch of scheduler time related bugs.
165    
166      * Instruments DB:
167        - Fixed memory access bug of general DB access code which lead to
168          undefined behavior.
169        - Cleanup of instruments DB file creation and opening code.
170        - The instrument DB path of linuxsampler's --create-instruments-db argument
171          is now optional, if it is missing, then a default location is used.
172        - Added support for scanning SFZ (.sfz) files.
173        - Added support for scanning Sound Font (.sf2) files.
174        - Fixed undefined DB transaction behavior.
175    
176    Version 2.0.0 (15 July 2015)
177    
178      * packaging changes:
179        - fixed building with newer MinGW-w64
180        - Mac OS X: support the new dir for Core Audio SDK
181        - Mac OS X: fixed building outside source directory
182        - made sure all source files for hostplugins are included when
183          doing "make dist"
184        - removed empty directories left from the cvs to svn migration
185        - fixed compilation with gcc 4.6.1
186        - another "make dist" fix, for the LV2 plugin
187        - made --enable-pthread-testcancel default on Mac OS X
188        - minor Makefile fix for building lscpparser when build and source
189          directories are separate
190        - Mac OS X: made it possible to specify plugin installation dir to
191          configure
192        - Mac OS X: Makefile fix for the install-strip target
193        - fixed compilation with gcc 4.7
194        - fixed configure script error with old autoconf versions
195        - lsatomic.h: use gcc provided atomic functions if building with
196          gcc 4.7 and C++11
197        - modernized configure script
198        - fixed linkage error when building with
199          LDFLAGS="-Wl,--no-undefined" (#190)
200        - fixed compilation with Clang 3.2
201        - removed usage of deprecated Automake variable INCLUDES
202        - fixed building with C++11
203        - build fix: ChangeFlagRelaxed.h was missing in makefile
204        - build fix: libsndfile compiler flags were missing in some
205          makefiles
206        - fix for building with bison 3.0 (#202)
207        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
208          on the process's main thread
209        - fixed build error on newer MinGW
210        - support building with older jack versions
211        - support building with spaces in vst sdk path
212        - enabled automake 'subdir-objects' option and moved external
213          source references (vst, au, asio) from makefiles to cpp files,
214          in order to get rid of warnings from automake 1.14
215    
216      * general changes:
217        - Refactoring: moved the independent code from
218          the Gigasampler format engine to base classes
219        - command line option '--profile' is currently disabled, since the
220          respective profiling code is currently broken
221        - Introduced support for optional environment variable
222          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
223          where the sampler shall look for instrument editor plugins
224          (patch by Luis Garrido, slightly modified).
225        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
226        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
227        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
228          note (in this implementation of the sampler its simply hard routed to
229          the 1st effect send of the sampler channel, no matter what the actual
230          effect type is)
231        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
232          note (in this implementation of the sampler its simply hard routed to
233          the 2nd effect send of the sampler channel, no matter what the actual
234          effect type is)
235        - implemented support for internal LADSPA effects
236        - raised limit of program change queue from 100 to 512
237          (as suggested by Alex Stone)
238        - implemented sine LFO, pulse LFO and saw LFO
239        - experimental support for per voice equalization
240        - added command line option --exec-after-init
241        - Introduced new C++ API method:
242          EngineChannel::InstrumentFileName(int index)
243          allowing to retrieve the whole list of files used for the loaded
244          instrument on an engine channel (a.k.a. part). Some GigaStudio
245          instruments for example are splitted over several files like
246          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
247        - Added new C++ API method Sampler::GetGlobalMaxVoices().
248        - Added new C++ API method Sampler::GetGlobalMaxStreams().
249        - Added new C++ API method Sampler::SetGlobalMaxVoices().
250        - Added new C++ API method Sampler::SetGlobalMaxStreams().
251        - Various "const" and "restrict" optimizations.
252        - all engines: add pan CC value to instrument pan parameter before
253          applying panning, instead of using two separate pan functions in
254          series (#182)
255        - added a lock guard class for exception safe mutex handling and
256          used it everywhere appropriate
257        - Immediately apply scale tuning changes to active voices.
258        - Exposed scale tuning to C++ API (along to the already existing standard
259          SysEx way).
260        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
261          and broken for ppc64. (Seq_cst loads and stores are actually not
262          used in LS, so the bug wasn't noticable.)
263        - lsatomic.h: added ARMv7 support
264        - Added support for multiple MIDI input ports per sampler channel (and
265          added various new C++ methods for this new feature / design change, old
266          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
267          as deprecated but are still there and should provide full behavior
268          backward compatibility).
269        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
270          unsafe and caused compilation error with clang 2.x).
271        - Bugfix: only process the latest MIDI program change event.
272        - Introducing the LSCP shell, which provides convenient control of the
273          sampler from the command line by providing LSCP aware features.
274        - VirtualMidiDevice: Added support for program change.
275        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
276        - VirtualMidiDevice: Added support for pitch bend.
277        - Aftertouch: extended API to explicitly handle channel pressure and
278          polyphonic key pressure events (so far polyphonic pressure was not
279          supported at all, and channel pressure was rerouted as CC128 but not
280          used so far).
281        - Added initial support for real-time instrument scripts. The script VM
282          code is shared by all sampler engine implemementations, however only the
283          gig file format currently provides support for storing instrument scripts
284          (as LinuxSampler extension to the original GigaStudio 4 format).
285    
286      * Gigasampler format engine:
287        - implemented the "round robin keyboard" dimension
288        - fixed round robin and random dimensions for cases when number of
289          dimension zones is not a power of two
290        - made round robin use a counter for each region instead of each
291          key
292        - bugfix: pitch LFO controller "internal+aftertouch" was broken
293        - bugfix: filter keyboard tracking was broken
294        - filter performance fix (an unnecessary copy was made of the
295          filter parameters in each sub fragment)
296        - handle special case when pan parameter in gig file has max or
297          min value
298        - Exclusive Groups: don't ever stop voices of the same note,
299          doesn't sound naturally with a drumkit
300        - fixed EG1 modulation when attack or release is zero
301        - Fixed support for 'aftertouch' attenuation controller.
302        - Fixed crash that happened with velocity split sounds under certain
303          conditions (see also previous commit on libgig).
304        - fixed behaviour of filter LFO
305    
306      * SFZ format engine:
307        - Initial implementation (not usable yet)
308        - added support for v2 multiple stage envelope generators
309        - added a fine-tuned v1 envelope generator instead of using the
310          one from the gig engine
311        - fixed memory leak and memory handling errors
312        - added support for trigger=first, trigger=legato and sw_previous
313        - allow non-numerical key values ("C#4" for example)
314        - "key" opcode now sets pitch_keycenter too
315        - fixed error when unloading instrument with same sample used by
316          multiple regions
317        - added some opcode aliases, like loopmode for loop_mode, to be
318          more compatible
319        - added support for trigger=release and rt_decay
320        - added support for off_mode=normal
321        - added support for random, seq_position, seq_length and volume
322        - added v1 LFO opcodes to parser (no support in engine yet)
323        - added support for amp_veltrack and amp_velcurve_N
324        - fine-tuned the default velocity curve
325        - added support for transpose
326        - fixed crash when using sw_down/up
327        - improved logic for sw_lokey/hikey/up/down/last
328        - added more v1 aliases to parser
329        - reduced memory usage for sfz data
330        - RT-safeness: avoid malloc in audio thread
331        - fixed a bug that could cause voice stealing to fail
332        - optimized sample lookup
333        - improved support for exclusive groups (group, off_by and
334          off_mode)
335        - added support for controller triggered regions (on_locc/on_hicc)
336        - added support for loop_mode=one_shot
337        - fixed playback of 16 bit wav files on big endian CPUs
338        - added support for Ogg Vorbis sample files
339        - use loop markers from sample file if loop_start and loop_end are
340          not set in sfz file
341        - implemeted filters. Filter types: lowpass, bandpass, bandreject
342          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
343          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
344          cutoff_cc, cutoff_chanaft.
345        - bugfix: zero ampeg_sustain didn't work
346        - added support for velocity effect on amplifier envelope time
347          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
348          ampeg_vel2release)
349        - added support for EG hold (ampeg_hold)
350        - added support for sample offset (offset)
351        - use the newly introduced signal units model
352        - implemented opcodes lfoN_delay,
353          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
354        - implemented opcodes ampeg_delay, ampeg_vel2delay
355          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
356          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
357          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
358          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
359        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
360          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
361          amplfo_delay, amplfo_freq, amplfo_depth
362        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
363          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
364          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
365          fileg_vel2release
366        - implemented opcode lfoN_wave
367        - implemented opcode pitchlfo_depthccN
368        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
369          lfoN_pitch, lfoN_pitch_onccX
370        - implemented opcodes pitchlfo_fade,
371          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
372        - implemented opcodes fillfo_freqccN,
373          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
374        - implemented opcodes ampeg_delayccN, ampeg_startccN,
375          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
376          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
377        - lfoN_* and egN_* opcodes defined in group sections
378          are now taken into account
379        - implemented curves
380        - implemented opcodes volume_onccN, volume_curveccN
381        - implemented opcode volume_smoothccN
382        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
383          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
384          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
385          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
386          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
387        - implemented opcode end
388        - implemented opcodes egN_amplitude_onccX,
389          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
390          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
391        - implemented opcodes xfin_lokey, xfin_hikey,
392          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
393          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
394          xfout_loccN, xfout_hiccN, xf_cccurve
395        - implemented opcodes pan_onccN, pan_smoothccN,
396          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
397          egN_pan_curveccX, pitch_veltrack
398        - when failed to parse a sfz file
399          print the line number on which the error occurs
400        - use common pool of CC objects to minimize RAM usage
401        - implemented opcodes amplfo_delay_onccN,
402          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
403          pitchlfo_delay_onccN, pitchlfo_fade_onccN
404        - implemented opcodes fileg_delay_onccN,
405          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
406          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
407          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
408          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
409          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
410        - implemented automatic aliasing *ccN <-> *_onccN
411        - *lfo_freqccN wasn't working when the respective *lfo_freq
412          was not set or was set to zero
413        - lfoN_freq_onccX wasn't working when lfoN_freq
414          was not set or was set to zero
415        - implemented opcodes resonance_onccN, resonance_smoothccN,
416          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
417        - implemented opcodes fillfo_depthchanaft,
418          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
419          pitchlfo_depthchanaft, pitchlfo_freqchanaft
420        - implemented opcodes pitch_onccN,
421          pitch_curveccN, pitch_smoothccN, pitch_stepccN
422        - implemented opcodes volume_stepccN, pan_stepccN,
423          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
424          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
425          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
426        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
427          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
428          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
429          eq1_gainccN, eq2_gainccN, eq3_gainccN
430        - implemented opcodes delay, delay_onccN, delay_random,
431          delay_samples, delay_samples_onccN
432        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
433          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
434          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
435          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
436          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
437          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
438          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
439          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
440          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
441          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
442          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
443          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
444          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
445          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
446          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
447        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
448          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
449        - sfz parser: allow double spaces in sample filenames
450        - sfz parser: allow absolute paths for sample filenames
451        - use linear decay and release for filter and pitch EG
452        - bugfix: only the first amp_veltrack definition in a file was
453          used
454        - bugfix: looping was disabled if loop_start was set to 0
455        - allow regions with end=-1 to turn off other regions using the
456          group and off_by opcodes (#168)
457        - made end=0 play the whole sample
458        - fixed support for lochan and hichan opcodes (#155)
459        - fixed crash when using lochan/hichan opcodes (#187)
460        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
461        - added FLAC support (#191)
462        - sfz parser bugfix: lines starting with whitespace were ignored
463        - added amplitude opcode
464        - added support for "#include" instruction
465          (modified patch which was originally posted by Sergey on LS mailing list)
466        - bugfix: generation of velocity curves etc should not be done
467          after each "#include", only after the main file is parsed
468        - bugfix: line numbers in error messages were wrong after "#include"
469        - added support for float and 32 bit sample files
470    
471      * SoundFont format engine:
472        - Initial implementation (not usable yet)
473        - RT-safeness: avoid malloc in audio thread
474        - fixed a bug that could cause voice stealing to fail
475        - fine-tuned amplitude EG (by switching from gig to sfz EG)
476        - initial implementation of Vibrato LFO and Modulation LFO
477        - initial implementation of cutoff filter
478        - use linear decay and release for filter and pitch EG
479    
480      * Host plugins (VST, AU, LV2, DSSI):
481        - AU bugfix: failed to destroy its audio/MIDI devices
482        - Listen to all interfaces on Mac OS X (INADDR_ANY)
483        - VST bugfix: If the host called resume() before and after
484          changing sample rate or block size, the number of channels was
485          incorrectly set to two. This caused silence in Cubase 5.
486        - save engine type (gig, sfz or sf2) in plugin state
487        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
488          64 bit Windows
489        - AU: changed number of output channels from one stereo to 16
490          stereo
491        - VST: made it possible to build the VST plugin for Mac
492        - AU: link AU plugin dynamically if --disable-shared isn't
493          specified
494        - LV2 "state" extension support (patch by David Robillard)
495        - VST bugfix: instrument loading hang and crashed the host when
496          the plugin was loaded a second time (#174)
497        - plugin bugfix: instrument loading hang when the plugin was
498          loaded a second time (this time it's for Linux and Mac, previous
499          similar fix was for Windows)
500        - thread safety fixes for the instrument loading thread
501        - LV2: use the new lv2 package if present
502        - VST: try to open Fantasia automatically on Linux and Mac too (on
503          Linux, the Fantasia jar should be placed in <prefix>/share/java)
504        - VST: fixed crashes on Linux Ardour and EnergyXT
505        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
506          port and audio channel routing for DSSI plugins are now visible.
507        - LV2: use urid and atom extensions instead of deprecated uri-map
508          and event
509        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
510        - LV2: changed number of output channels to 16 stereo, just like
511          the VST and AU plugins
512        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
513        - LV2: made LV2 plugin buildable on Windows and Mac
514        - VST: implemented retrieval and switching of programs using the
515          sampler's internal MIDI instrument mapping system
516    
517      * Instrument editor interface:
518        - Changed instrument editor plugin interface, providing additional
519          informations like the EngineChannel for which the instrument editor was
520          spawned for. This allows the instrument editors to interact more actively
521          with the sampler.
522    
523      * MIDI driver:
524        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
525          the ALSA sequencer client name
526        - removed limit of maximum amount of MIDI ports per MIDI device, since
527          there is no reason for this limit
528        - MME: fixed memory handling bug found with cppcheck
529        - MME: removed compiler warning
530        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
531          which allows to retrieve the list of CoreMIDI clients / ports and to connect
532          to them a la JACK, via the usual sampler APIs
533        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
534          the driver will automatically connect to other CoreMIDI clients' ports
535          (e.g. external MIDI devices being attached to the Mac)
536        - added support for MIDI note on velocity filter
537        - CoreMIDI: fixed memory deallocation error
538        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
539          virtual keyboards in frontends / instrument editors being stuck.
540        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
541        - Implemented missing handling of MIDI "running status".
542        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
543        - MME bugfix: driver wasn't closed properly
544        - CoreMIDI: automatically connect to all input sources by default (driver
545          parameter "AUTO_BIND").
546        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
547        - CoreMIDI: fixed minor memory leak
548    
549      * audio driver:
550        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
551        - JACK audio: react on sample rate changes.
552        - JACK audio: react on buffer size changes.
553        - JACK audio: jack_port_get_buffer() was cached and called outside
554          RT context.
555        - ASIO driver: removed compiler warnings
556        - CoreAudio: fixed minor error handling bug
557        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
558        - JACK audio: return the JACK server's current sample rate as default value
559          for audio device parameter "SAMPLERATE" (fixes #166).
560    
561      * LSCP server:
562        - added support for sending MIDI CC messages via LSCP command
563          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
564        - added LSCP command "GET AVAILABLE_EFFECTS"
565        - added LSCP command "LIST AVAILABLE_EFFECTS"
566        - added LSCP command "GET EFFECT INFO <effect-index>"
567        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
568        - added LSCP command
569          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
570        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
571        - added LSCP command "GET EFFECT_INSTANCES"
572        - added LSCP command "LIST EFFECT_INSTANCES"
573        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
574        - added LSCP command
575          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
576        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
577          <effect-instance> <input-control> <value>"
578        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
579        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
580        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
581        - added LSCP command
582          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
583        - added LSCP command
584          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
585        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
586          <effect-chain> <effect-instance>"
587        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
588          <effect-chain> <effect-chain-pos> <effect-instance>"
589        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
590          <effect-chain> <chain-pos>"
591        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
592          <fx_send_id> <effect_chain> <chain_pos>"
593        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
594        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
595          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
596          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
597        - provide comprehensive error messages on LSCP syntax errors
598          (suggesting expected next non-terminal symbols)
599        - Fixed client connection not being closed after network errors.
600    
601      * LSCP shell:
602        - Added support for auto correction of obvious and trivial syntax mistakes.
603        - Added support for auto completion by tab key.
604        - Show currently available auto completion while typing.
605        - Added support for browsing command history with up / down keys.
606        - Show all possible next symbols immediately right to the current command
607          line while typing (no double tab required for this feature, as it would
608          be the case in other shells).
609        - Added support for moving cursor left/right with arrow keys.
610        - Added support for built-in LSCP reference documentation, which will
611          automatically show the relevant LSCP reference section on screen as soon
612          as one specific LSCP command was detected while typing on the command
613          line.
614    
615      * Real-time instrument scripts:
616        - Implemented built-in script array variable %CC.
617        - Implemented built-in script int variable $CC_NUM.
618        - Implemented built-in script int variable $EVENT_NOTE.
619        - Implemented built-in script int variable $EVENT_VELOCITY.
620        - Implemented built-in script constant variable $VCC_MONO_AT.
621        - Implemented built-in script constant variable $VCC_PITCH_BEND.
622        - Implemented execution of script event handler "init".
623        - Implemented execution of script event handler "controller".
624        - Implemented execution of script event handler "note".
625        - Implemented execution of script event handler "release".
626        - Implemented built-in script function "play_note()" (only two of the
627          max. four function arguments are currently implemented yet though).
628        - Implemented built-in script int variable $EVENT_ID.
629        - Implemented built-in script function "ignore_event()"
630        - Implemented built-in script function "ignore_controller()" (may have one
631          or no argument).
632        - Implemented built-in script function "set_controller()".
633        - Added extended script VM for the Gigasampler/GigaStudio format sampler
634          engine, which extends the general instrument script VM with Giga format
635          specific variables and functions.
636        - Giga format scripts: added built-in script int constant variables
637          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
638          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
639          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
640          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
641          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
642          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
643          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
644          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
645          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
646          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
647        - Giga format scripts: Implemented built-in script function
648          "gig_set_dim_zone(event_id, dimension, zone)".
649        - Implemented built-in script int array variable $KEY_DOWN.
650        - Implemented built-in script function "abs()".
651        - Implemented built-in script function "random()".
652        - Implemented built-in script function "num_elements()".
653        - Implemented built-in script function "note_off()".
654        - Implemented built-in script function "set_event_mark()".
655        - Implemented built-in script function "delete_event_mark()".
656        - Implemented built-in script function "by_marks()".
657        - Added built-in script int const variables $MARK_1 to $MARK_28.
658        - Built-in script functions "ignore_event()", "note_off()" and
659          "gig_set_dim_zone()" now also accept an array of event IDs as argument
660          (i.e. return value of new script function "by_marks()").
661        - Pass/preserve polyphonic variable data from respective "note" event
662          handler to "release" event handler.
663        - Fixed crash when using built-in script function "by_marks()".
664    
665      * Bug fixes:
666        - Fixed crash which may occur when MIDI key + transpose is out of range
667        - minor valgrind fixes
668        - fixed crash which occurred when changing an already deployed sampler
669          channel to a different engine type
670        - fixed crash when deleting a sampler channel or changing engine
671          type while an instrument load was in progress
672        - bugfix: playing a note while changing the instrument could cause
673          a crash, or give "Handing back unknown region" error messages
674        - bugfix: calling SET VOICES (which Fantasia does on start and
675          refresh) could cause instruments to be unloaded
676        - Mac OS X: fixed name collision of enum in EffectControl and
677          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
678        - Mac OS X: fixed hanging threads
679        - Windows: disabled the previous thread fix on non-Mac systems, as
680          it caused hanging threads on Windows
681        - Fixed possible crashes due to corrupted MIDI/audio device list
682          after MIDI/audio device creation failure
683        - When creating MIDI instrument map entries with "PERSISTENT" type, the
684          instruments were uselessly precached with zero samples, however it still
685          took the full preloading time and on 1st program change the respective
686          instrument was completely reloaded again.
687        - fixed handling of rapid bank select and program change messages
688          sent to the same sampler channel (patch from the Open Octave
689          project, slightly adjusted)
690        - fixed crash when trying to create an effect instance with controls
691          which min and/or max values depend on the sample rate
692        - fixed bug #162
693        - bugfix: LADSPA_PATH was not evaluated correctly when containing
694          multiple paths (#165)
695        - thread safety fixes for the instrument loading thread
696        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
697          (#176)
698        - more thread safety fixes for the instrument loading thread
699        - sfz/sf2 engine: fixed crash when using small audio fragment size
700        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
701        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
702          introduced in previous fix)
703        - fixed crash when a channel received a program change while
704          playing a note in a key group
705        - fixed erroneous error message piping in VoiceBase.h
706          (labelled "Disk stream not available in time")
707        - Update effects on sample rate & period size changes (to avoid
708          crashes and noise on such transitions).
709        - ignore missing LADSPA paths without ignoring valid LADSPA paths
710          (fixes #208)
711        - Fixed bug in LSCP grammar definition which caused a statement like
712          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
713          practically irrelevant, however it caused problems with the new LSCP
714          shell's auto completion feature).
715        - Fixed MIDI program change messages being ignored if quickly executed
716          after each other (fixes #231).
717    
718    Version 1.0.0 (31 July 2009)
719    
720    * packaging changes:    * packaging changes:
721        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
722          causing e.g. the libgig test to fail when
723          "./configure --disable-jack-driver" was used
724          (patch by Alexis Ballier)
725        - fixed compilation with gcc 4.3
726        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
727        - fixed configure so it detects x86_64 (#107)
728        - fixes for building with newer MinGW versions
729        - fix for building with bison 2.4 (#111)
730        - fixed building with libgig installed in a non-standard directory
731        - minor fix in configure for mmsystem.h detection on MinGW
732        - Windows: look for editor plugins and Fantasia using base
733          directory of liblinuxsampler dll (look in the same directory and one
734          directory above)
735        - configure script fix: removed unconditional use of SSE
736        - fixed building with sqlite installed in a non-standard directory
737        - when cross-compiling, don't try to create instruments.db
738        - fix for new mingw-w64 version, which has usleep
739    
740      * general changes:
741        - bugfix: on some POSIX systems instrument editor plugins refused to
742          load as we used a non-portable Linux specific struct field
743          (fixes bug #70, patch by Ronald Baljeu)
744        - fixed endless loop which occured when loading an instrument editor
745          plugin DLL on Windows systems failed
746        - fixed memory leaks that occurred when liblinuxsampler was unloaded
747        - optimized the SynchronizedConfig class so it doesn't wait
748          unnecessarily long after an update
749        - added support for notifying instrument editors on note-on / note-off
750          events (e.g. to highlight the pressed keys on the virtual keyboard
751          of gigedit)
752        - added support for triggering notes by instrument editors (see above)
753        - be verbose on DLL load errors (on Linux)
754        - fixed di-harmonic triangle LFO implementation (this LFO implementation
755          is only used by very few systems, most pick the int math
756          implementation, which is usually faster)
757        - fixes for audio drivers with varying buffer sizes
758        - experimental support for running LinuxSampler as a DSSI, LV2 and
759          VST plugin
760        - notification events for stream/voice count statistics are now sent
761          only when there are actual changes
762        - added memory ordering constraints to improve stability on
763          multi-core and multi-cpu systems
764        - maximum voices and disk streams can now be altered at runtime
765        - fixed CPU feature detection on x86_64 (maybe fixes #108)
766        - automatic stacktrace mechanism is now turned off by default and can
767          be switched on by command line option "--stacktrace" (the automatic
768          stacktrace mechanism seems to be broken on most systems at the moment)
769        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
770          a pointer to the launched InstrumentEditor object
771        - added optional 3rd party user data parameter for following
772          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
773          InstrumentEditor::Launch(),
774          InstrumentManager::LaunchInstrumentEditor()
775        - theoretical fix: made SynchronizedConfig follow C++0x memory
776          model more strictly
777        - fixes for using large audio device buffers
778        - Windows: add the installation directory to the DLL search path
779          when loading an editor plugin (solves problems with VST and
780          gigedit on systems with other GTK versions installed)
781        - updated linuxsampler man page
782    
783      * audio driver:
784        - removed the nonsense audio channel constraint (which was hard coded to
785          max. 100 audio channels) for most audio drivers
786        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
787          opposed to the LSCP specs
788        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
789          reflected the wrong value
790        - fixed a memory management bug in ASIO driver
791        - Makefile fix: JACK_CFLAGS wasn't used
792        - JACK: use jack_client_open instead of the deprecated
793          jack_client_new
794        - added (experimental) CoreAudio driver
795        - applied old fixes to the ASIO driver that were included in the
796          previous binary release but accidentally never committed to CVS
797          (fixes #117)
798        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
799          win64)
800        - VST: added support for sample rate and buffer size changes
801        - VST: close editor (Fantasia) when the VST is removed
802        - VST: avoid opening Fantasia more than once for each VST instance
803        - VST: export main function as "main" on Linux too (fix for
804          energyXT)
805        - VST: changed number of output channels from one stereo to 16
806          stereo
807        - added channel routing, fxsends and midi maps to the settings
808          stored in the plugin state
809        - performance optimization of AudioChannel::MixTo() and
810          AudioChannel::CopyTo() methods using GCC vector exensions
811          (if available)
812        - ASIO fixes: avoid initializing the device twice, avoid throwing
813          exception when getting parameters from a disconnected device
814    
815      * MIDI driver:
816        - added JACK MIDI driver
817        - dispatch bank select as ordinary CC as well, the user might seriously
818          want to (mis)use it for some purpose ("fixed" in all current MIDI
819          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
820        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
821          CoreMidi or AU
822        - fixed mingw-w64 compilation error in MME driver
823        - made program change handling in MIDI thread real-time safe by
824          moving the logic to a non-RT thread
825        - fixed minor memory leak in ALSA driver
826    
827      * instruments database:
828        - avoid time consuming samples scanning when adding instruments
829          to the instruments database
830        - added support for handling lost files in the instruments database
831        - Implemented option for adding instruments in separate directories
832          in the instruments database
833          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
834        - work-around for missing fnmatch function on Windows to make
835          instrument database compilable
836        - added instrument database support on Windows
837          works with both standalone mode and VST plugin.
838          the instruments DB file is located in
839          %USERPROFILE%\.linuxsampler\instruments.db which allows different
840          databases for each windows user
841          if no DB is present it automatically creates the .linuxsampler subdir
842          and then creates an empty DB
843        - fixed recursive import, which was broken on Windows
844    
845      * Gigasampler format engine:
846        - fixed a memory leak that could happen when a channel was deleted
847          while notes were playing
848        - made it possible to load an instrument even if the audio thread
849          isn't running
850        - added partial support for the "Controller Triggered" MIDI rule,
851          enough for piano gigs with pedal noise samples
852        - minor fix: only mark FX sends as being modified if really the
853          respective FX send MIDI controller was used
854        - added support for GM global device volume SysEx message
855          (can be selected at compile time to either apply globally to the
856          whole sampler [default] or only to the sampler channels that are
857          connected to the respective MIDI input port the SysEx message arrived
858          on)
859        - bugfix: notes triggered at position 0 in the audio buffer were
860          sometimes wrongly killed in the same buffer, causing no sound to
861          be played
862        - added support for chromatic / drumkit mode Roland GS Sysex message
863          which is usally used to switch a part between chromatic sounds and
864          drumkit sounds (as opposed to their common default setting of MIDI
865          part 10 being a drumkit part and all other ones chromatic parts), in
866          LS however one can switch between the first 16 MIDI instrument maps
867          defined for the sampler
868        - made it possible to create multiple sample channels even if the
869          audio thread isn't running
870        - fixed crash when removing channel with active voices (#116)
871        - bugfix: on sample reference changes (instrument editor), only
872          un-cache the respective sample if it's really not used by any
873          sampler engine anymore
874        - re-cache samples in case they were changed by an instrument editor,
875          e.g. when a sample was added while playing (#82)
876        - fixed hanging notes which occured when note-off event had the exact
877          same time stamp as the voice's note-on event and occured both in the
878          same audio fragment cycle (fixes bug #112)
879        - added support for the "fine tune" and "pitch bend range"
880          instrument-level gig parameters
881        - fixed minor artifacts in pitch bend handling
882        - added support for GS Reset SysEx message
883        - allow gig files to use unlimited downward pitch shifting
884        - added a limit check for upward pitch shifting
885        - bugfix: sometimes, when playing a note twice fast, the second
886          note was silent
887        - fixed crash happening when a pitch bend event arrived at the
888          same time a new instrument was loading
889    
890      * LSCP server:
891        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
892          react on MIDI data arriving on certain sampler channels (so far only
893          Note-On and Note-Off events are sent via this LSCP event)
894        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
895          react on MIDI data arriving on certain MIDI input devices (so far only
896          Note-On and Note-Off events are sent via this LSCP event)
897        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
898          SET DB_INSTRUMENT FILE_PATH
899        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
900          frontends to send MIDI messages to specific sampler channel
901        - added two additional fields to GET FILE INSTRUMENT INFO command -
902          KEY_BINDINGS and KEYSWITCH_BINDINGS
903        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
904          was incorrect
905        - Optimized the retrieval of the MIDI instrument mappings
906        - added new LSCP command "SET VOICES" to globally alter the maximum
907          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
908          be triggered respectively
909        - added new LSCP command "SET STREAMS" to globally alter the maximum
910          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
911          which will be triggered respectively
912        - bugfix: retry if "select" returns EINTR (this fixes a crash when
913          a gigedit file dialog is opened)
914        - close all connections when LSCPServer is deleted
915        - hard close of all sockets on exit
916        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
917          driver
918    
919      * Bug fixes:
920        - fixed a crash which occurs when removing a sampler channel waiting
921          to start instrument loading after another channel
922        - fixed a crash which occurs when removing a sampler channel with
923          instrument loading in progress (bug #113)
924        - fixed termination caused by uncaught exception when adding MIDI
925          instrument with PERSISTENT load mode
926        - fixed possible iterator invalidations when resetting the sampler
927        - fixed memory leaks when issuing the following LSCP commands:
928          GET AUDIO_OUTPUT_DRIVER INFO
929          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
930          GET MIDI_INPUT_DRIVER INFO
931          GET MIDI_INPUT_DRIVER_PARAMETER INFO
932        - fixed possible compilation error when sqlite is not present
933        - fixed orphaned pointers when setting maximum voices limit (bug #118)
934        - fixed crash when changing the audio output device of a sampler
935          channel with loaded instrument and start playing notes
936        - fixed endless loop in Engine::SuspendAll() (bug #120)
937        - fixed a low-level atomic load function that was broken on 64-bit
938          PowerPC, which probably could cause crashes on that platform
939        - fixed a memory management error which could cause a crash when a
940          plugin was unloaded
941        - bugfix: two private structs had the same name, which could cause
942          problems if the linker chose the wrong constructor
943        - fixed low-level ConditionServer usage bug that caused lockups on
944          Windows
945    
946    
947    Version 0.5.1 (6 December 2007)
948    
949      * packaging changes:
950        - added autoconf checks for pthread library
951        - added autoconf check for pthread bug found on certain NPTL-enabled
952          glibc versions (see Gentoo bug report #194076)
953        - added autoconf checks for MS Windows
954    
955      * general changes:
956        - bugfix: the thread used by an editor plugin didn't die when the
957          editor closed
958        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
959          out all the space. operator--() did not apply size_mask after
960          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
961          order to avoid problems with the _NonVolatileReader functions.
962        - bugfix: Stream.h: added a missing divide by BytesPerSample in
963          GetWriteSpace(). Since this function is currently only used in
964          the stream's qsort() compare function, it didn't trigger any
965          bugs.
966        - Resampler.h, Synthesizer.h: cubic interpolation now works in
967          24bit mode too. Faster method to read 24bit words on little
968          endian machines (x86): replaced 3 byte reads + shifts with a 1
969          unaligned 32bit read and shift
970        - experimental support for MS Windows (MIDI input via MME, AUDIO
971          output via ASIO)
972        - made handling of SIGINT signal (Ctrl-C) a bit more robust
973        - support for monitoring the total number of active disk streams
974          (new LSCP commands: GET TOTAL_STREAM_COUNT,
975          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
976    
977      * AUDIO driver:
978        - added Windows ASIO low latency audio driver
979    
980      * MIDI driver:
981        - added MME Windows MIDI driver
982    
983      * LSCP server:
984        - added support for Windows style path / filenames, however with
985          forward slash path separators instead of backslash
986          (i.e. "C:/foo/bar.gig")
987        - allow naughty liblscp to send non-string device parameters within
988          apostrophes as well
989        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
990          "LIST FILE INSTRUMENTS <file>" and
991          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
992          about an arbitrary instrument file on the system where the sampler is
993          running on
994    
995    Version 0.5.0 (15 October 2007)
996    
997      * packaging changes:
998        - config.h is not going to be installed along with liblinuxsampler's
999          API header files anymore
1000        - only the API relevant header (and source) files will be exported to
1001          the Doxygen API documentation (explicitly listed in Doxyfile.in)
1002        - added completely new XCode project files for Mac OSX which is now
1003          capable to execute our autoconf environment, thus no need anymore
1004          to maintain the compile time configuration file (osx/version.h) for
1005          OSX manually (patch by Toshi Nagata)
1006        - fixed buggy boolean --enable-foo / --disable-foo configure script
1007          parameters
1008        - global.h now only covers global definitions that are needed for the
1009          C++ API header files, all implementation internal global definitions
1010          are now in global_private.h
1011        - atomic.h is not exposed to the C++ API anymore
1012        - no need to include config.h anymore for using LS's API header files
1013        - fixed warnings in API doc generation
1014    
1015      * general changes:
1016        - replaced the old, confusing MIDI program change mechanism by a
1017          flexible MIDI instrument mapper which allows to map arbitrary
1018          (MIDI bank, MIDI program) pairs with arbitrary
1019          (engine type, instrument file, file index) triplets which will be
1020          loaded on the respective channel when such MIDI program change
1021          messages arrive, beside that, each entry allows to define a life-time
1022          strategy for the instrument, so the user can define whether the
1023          instrument should i.e. be permanently loaded (to be able to switch
1024          quickly among sounds) or i.e. loaded just on demand when the
1025          respective program change arrives (to safe RAM space), as well as a
1026          global volume factor for each entry, so the user can adjust the volume
1027          dynamic of his mapped instrument collection without having to modify
1028          the instrument files, also one can manage arbitrary amount of such
1029          MIDI instrument maps and assign each sampler channel individually
1030          a certain map, so that i.e. separation of normal instruments and
1031          drumkits is possible
1032        - new notification events for tracking changes to audio/MIDI devices,
1033          MIDI instrument maps, MIDI instruments, FX sends, global volume.
1034        - sampler was limited to load max. 200 instruments in the background
1035          due to a constant size RingBuffer FIFO which is now replaced by a
1036          dynamic (unlimited) size std::list FIFO
1037        - added FX sends, these allow to route audio signals to arbitrary audio
1038          output channels for being processed by external effect processors
1039          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
1040          controllers
1041        - global (sampler wide) volume can now be controlled at runtime
1042        - Implemented new, improved notification system
1043        - fixed compilation errors regarding OSX
1044          (patch by Toshi Nagata)
1045        - implemented instruments database
1046        - added support for escape sequences to the instruments database
1047        - added highly experimental support for on-the-fly instrument editing
1048          within the sampler's process (by using instrument editor plugins),
1049          you'll notice the new "Registered instrument editors:" message on
1050          startup, added a new LSCP command:
1051          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
1052          to spawn a matching instrument editor for the instrument on the
1053          given sampler channel, the plugin path can be overridden at compile
1054          time with ./configure --enable-plugin-dir=/some/dir
1055        - added experimental code for synchronizing instrument editors hosted
1056          in the sampler's process to safely edit instruments while playing
1057          without a crash (hopefully) by either suspending single regions
1058          wherever possible or if unavoidable whole engine(s)
1059        - fixed several issues in fundamental "Thread" class: set scheduling
1060          policy and priority on thread level, set a minimum stack size for
1061          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
1062          threads simply inherited properties of starting thread instead of
1063          setting their own policy and priority
1064        - minor fix in our automatic stack trace mechanism on crashes, the
1065          main process did not wait for the stack trace process to finish
1066          its output
1067        - fixed some minor memory leaks
1068        - reenabled assembly features support, at the moment only for
1069          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
1070        - minor assembly fix in x86 features detection (don't use the PIC
1071          register, to avoid relocations in the text segment at runtime)
1072        - POSIX callback functions of Thread.h are hidden
1073    
1074      * MIDI driver:
1075        - dispatch bank select (MSB and LSB) messages
1076    
1077      * audio driver:
1078        - the ALSA audio output driver parameters now reflect the correct
1079          parameter value ranges for the respective selected sound card
1080          (patch by Till Wimmer, a bit fixed and extended)
1081    
1082      * Gigasampler format engine:
1083        - if a filter is used and EG2 finishes before EG1, let the voice
1084          die when EG2 has finished (this fixes a problem with clicks and
1085          voice starvation for some gigs)
1086        - playback is no longer disabled during instrument loading
1087        - all notes playing on a channel that changes its instrument keep
1088          playing with the old instrument until they get a note off
1089          command
1090        - EG fix: a release value of zero could cause noises or crash
1091        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
1092        - EG fine tuning: when attack is zero the EG starts at a level
1093          above max sustain level, which means that there is a decay phase
1094          even if sustain is 100%
1095        - more EG fixes: the level could sometimes go below zero and cause
1096          noises or crashes
1097        - minor fix of EGDecay (patch by Toshi Nagata)
1098        - fixed compiler error when --enable-override-filter-type was
1099          supplied to the configure script (fixes #46)
1100        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1101          instead of a fix value
1102        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1103          127 (solo mode) only kill voices if the respective mode really
1104          changed
1105    
1106      * LSCP server:
1107        - fixed compile time error for old Bison versions
1108          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1109        - parser now supports extended ASCII character set
1110          (up to ASCII code 255, i.e. includes now umlauts and accents)
1111        - filename arguments in LSCP commands now allow to use escape
1112          sequences, that is directly literal as one of: \', \", \\, \n, \r,
1113          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1114          code value like \xf2) (fixes bug #24)
1115        - the following LSCP commands now also support escape sequences for at
1116          least one of their text-based parameters (i.e. name, description):
1117          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1118          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1119          "SET DB_INSTRUMENT_DIRECTORY NAME",
1120          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1121          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1122          "FIND DB_INSTRUMENT_DIRECTORIES"
1123        - returns verbose syntax errors (line and column where syntax error
1124          occured, the unexpected character and the actually expected, possible
1125          character(s), the latter only if less than 5 possibilities)
1126        - made sure that LSCP syntax is not affected by gigedit locale
1127          settings
1128        - bugfix regarding strings parameter lists: all comma separated lists
1129          of strings were treated as being one string containing commas
1130          (fixes #57)
1131    
1132      * Bug fixes:
1133        - fixed crash occurring on certain LSCP scripts (Bug 39)
1134        - another thread safety fix for lscp "load engine" and "set
1135          channel audio output device"
1136        - fixed a crash which occurs when reassigning the same engine
1137          on a sampler channel with connected MIDI device
1138        - fixed a crash which occurs when changing the number of ports of a MIDI
1139          device connected to a sampler channel to number less then or equal
1140          to the index of the port to which the sampler channel is connected.
1141        - The previous bindings were not been disconnected when altering
1142          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1143          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1144        - The active stream/voice count statistic was incorrect.
1145        - notification events were not been sent for some sampler
1146          channel changes
1147        - added default min and max values to restrict the number of allowed
1148          audio output channels and MIDI input ports
1149        - the connection to the PCM interface is now closed when destroying
1150          an audio output device
1151        - files with slash in their path or filename could not be loaded
1152    
1153      * test cases:
1154        - updated and fixed (haven't been touched in a while)
1155    
1156    Version 0.4.0 (24 November 2006)
1157    
1158      * packaging changes:
1159        - changed deprecated copyright attribute to license; added ldconfig
1160          to post-(un)install steps; added devel package for liblinuxsampler;
1161          to linuxsampler.spec (RPM)
1162      - install necessary development header files for allowing 3rd party      - install necessary development header files for allowing 3rd party
1163        applications to link against liblinuxsampler        applications to link against liblinuxsampler
1164      - liblinuxsampler's API documentation can be generated with 'make docs'      - liblinuxsampler's API documentation can be generated with 'make docs'
# Line 14  Version CVS HEAD (?) Line 1172  Version CVS HEAD (?)
1172        provided some on his own (as CXXFLAGS)        provided some on his own (as CXXFLAGS)
1173      - added compile time option to disable processing of All-Notes-Off MIDI      - added compile time option to disable processing of All-Notes-Off MIDI
1174        messages        messages
1175        - added compile time options to allow disabling the various audio and
1176          MIDI drivers
1177        - fixed automatic GCC CPU switch detection on PPC
1178          (patch by Ebrahim Mayat)
1179    
1180    * Gigasampler format engine:    * Gigasampler format engine:
1181      - extensive synthesis optimization      - extensive synthesis optimization
# Line 29  Version CVS HEAD (?) Line 1191  Version CVS HEAD (?)
1191        controller is defined), Control invert, Minimum cutoff, Velocity        controller is defined), Control invert, Minimum cutoff, Velocity
1192        curve and Velocity range. The keyboard tracking now scales        curve and Velocity range. The keyboard tracking now scales
1193        cutoff frequency instead of resonance.        cutoff frequency instead of resonance.
1194      - filter fine tuning: calculation of cutoff frequency and      - added support for gig parameter Resonance.
       bandwidth improved. Removed use of "BasicBPFilter". Changed  
       bandpass filter from constant peak to constant skirt. Added  
       support for gig parameter Resonance.  
1195      - fixed bug in sysex handling (patch by Juan Linietsky)      - fixed bug in sysex handling (patch by Juan Linietsky)
1196      - added global volume attenuation of -9 dB (0.35f) to prevent clipping      - added global volume attenuation of -9 dB (0.35f) to prevent clipping
1197        which can be overridden with --enable-global-attenuation        which can be overridden with --enable-global-attenuation
# Line 52  Version CVS HEAD (?) Line 1211  Version CVS HEAD (?)
1211        parameter        parameter
1212      - added smoothing of volume changes caused by control change      - added smoothing of volume changes caused by control change
1213        messages        messages
1214        - sample loop parameters are now taken from the DimensionRegion
1215          instead of the wave chunk
1216        - fixed keyswitching for v3 gigs with a number of keyswitch splits
1217          not equal to a power of two
1218        - reimplementation of the filter algorithm. The new filter is more
1219          accurate and supports all gig filter types, including bandreject
1220          and lowpass turbo.
1221        - real support for 24 bit samples - samples are not truncated to
1222          16 bits anymore
1223        - support for aftertouch (channel pressure, not polyphonic
1224          aftertouch)
1225        - LFO1 behaviour fixed (dampening from max volume instead of
1226          amplifying from 0)
1227    
1228    * LSCP server:    * LSCP server:
1229      - fixed application exit on broken pipe error (fixes bug #20)      - fixed application exit on broken pipe error (fixes bug #20)
# Line 66  Version CVS HEAD (?) Line 1238  Version CVS HEAD (?)
1238    * MIDI driver:    * MIDI driver:
1239      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
1240        messages several times instead of once        messages several times instead of once
1241        - API extension for MIDI drivers which already supply exact time stamps
1242          for events (i.e. for offline rendering based MIDI drivers)
1243        - added checks for bad MIDI data
1244    
1245      * linuxsampler application:
1246        - show available sampler engine types on startup
1247    
1248    * general changes:    * general changes:
1249      - support for muting sampler channels and solo mode of the same, two new      - support for muting sampler channels and solo mode of the same, two new
# Line 82  Version CVS HEAD (?) Line 1260  Version CVS HEAD (?)
1260      - fixed some memory management errors      - fixed some memory management errors
1261      - fixed some concurrency problems that could lead to crashes when      - fixed some concurrency problems that could lead to crashes when
1262        LSCP commands were executed        LSCP commands were executed
1263        - fixed crash when instrument loading failed previously on the same
1264          sampler channel (fixes bug #36)
1265    
1266  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
1267    

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