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revision 617 by schoenebeck, Wed Jun 8 21:00:06 2005 UTC revision 3283 by schoenebeck, Wed Jun 21 20:59:06 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        - Fixed polyphonic variables not being reset to zero after usage.
166        - Built-in "ignore_event()" function: argument is now optional, like with
167          built-in function "ignore_controller()".
168        - Implemented built-in script function "change_velo()".
169        - Implemented built-in script function "change_note()".
170        - Adjusted behavior of "change_vol()" and "change_tune()" to a more
171          intuitive behavior if used in combination with "change_vol_time()" or
172          "change_tune_time()" respectively: now tuning/volume changes are only
173          assigned (without delay) immediately to a new note if the respective
174          timing function has not been called before, otherwise the volume/tuning
175          changes are automatically faded (before, only the event's time stamp was
176          relevant).
177         - Implemented built-in script function "array_equal()".
178         - Implemented built-in script function "search()".
179         - Implemented built-in script function "sort()".
180         - NKSP Fix: Never suspend "init" event handlers.
181         - Implemented built-in script function "same_region()" (currently only
182           available for gig format engine).
183         - Added built-in script constant "$NKSP_LINEAR".
184         - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
185         - Implemented built-in script function "change_vol_curve()".
186         - Implemented built-in script function "change_tune_curve()".
187         - built-in "play_note()" function now supports a sample playback start
188           offset with argument 3, where special value -1 means to use the regular
189           sample offset as defined by the instrument file.
190         - Built-in array variable %KEY_DOWN[] is now a read-only variable.
191         - Built-in variable $EVENT_NOTE is now a read-only variable.
192         - Built-in variable $EVENT_VELOCITY is now a read-only variable.
193         - built-in "play_note()" function now accepts -2 for its fourth argument
194           (note duration) which means the life time of the note shall be sticked
195           to the requested note number of argument 1.
196         - Fix: built-in "play_note()" function now returns 0 as result value if
197           -1 was passed for its fourth argument (note duration) and the respective
198           parent note is already gone.
199        - Implemented built-in script function "change_play_pos()".
200        - NKSP language: Added support for user declared const array variables.
201        - NKSP language: Raise parser warning if array variable is accessed with
202          an index that exceeds the array's size.
203        - NKSP language fix: Unknown characters were not handled correctly.
204        - NKSP language: Added support for "synchronized .. end synchronized"
205          code blocks.
206        - Implemented built-in script function "abort()" which allows to abort
207          another script handler by passing its callback ID.
208        - Fixed potential memory access bug and potential undefined behavior of
209          "init" event handlers.
210    
211      * Instruments DB:
212        - Fixed memory access bug of general DB access code which lead to
213          undefined behavior.
214        - Cleanup of instruments DB file creation and opening code.
215        - The instrument DB path of linuxsampler's --create-instruments-db argument
216          is now optional, if it is missing, then a default location is used.
217        - Added support for scanning SFZ (.sfz) files.
218        - Added support for scanning Sound Font (.sf2) files.
219        - Fixed undefined DB transaction behavior.
220    
221    Version 2.0.0 (15 July 2015)
222    
223      * packaging changes:
224        - fixed building with newer MinGW-w64
225        - Mac OS X: support the new dir for Core Audio SDK
226        - Mac OS X: fixed building outside source directory
227        - made sure all source files for hostplugins are included when
228          doing "make dist"
229        - removed empty directories left from the cvs to svn migration
230        - fixed compilation with gcc 4.6.1
231        - another "make dist" fix, for the LV2 plugin
232        - made --enable-pthread-testcancel default on Mac OS X
233        - minor Makefile fix for building lscpparser when build and source
234          directories are separate
235        - Mac OS X: made it possible to specify plugin installation dir to
236          configure
237        - Mac OS X: Makefile fix for the install-strip target
238        - fixed compilation with gcc 4.7
239        - fixed configure script error with old autoconf versions
240        - lsatomic.h: use gcc provided atomic functions if building with
241          gcc 4.7 and C++11
242        - modernized configure script
243        - fixed linkage error when building with
244          LDFLAGS="-Wl,--no-undefined" (#190)
245        - fixed compilation with Clang 3.2
246        - removed usage of deprecated Automake variable INCLUDES
247        - fixed building with C++11
248        - build fix: ChangeFlagRelaxed.h was missing in makefile
249        - build fix: libsndfile compiler flags were missing in some
250          makefiles
251        - fix for building with bison 3.0 (#202)
252        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
253          on the process's main thread
254        - fixed build error on newer MinGW
255        - support building with older jack versions
256        - support building with spaces in vst sdk path
257        - enabled automake 'subdir-objects' option and moved external
258          source references (vst, au, asio) from makefiles to cpp files,
259          in order to get rid of warnings from automake 1.14
260    
261      * general changes:
262        - Refactoring: moved the independent code from
263          the Gigasampler format engine to base classes
264        - command line option '--profile' is currently disabled, since the
265          respective profiling code is currently broken
266        - Introduced support for optional environment variable
267          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
268          where the sampler shall look for instrument editor plugins
269          (patch by Luis Garrido, slightly modified).
270        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
271        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
272        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
273          note (in this implementation of the sampler its simply hard routed to
274          the 1st effect send of the sampler channel, no matter what the actual
275          effect type is)
276        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
277          note (in this implementation of the sampler its simply hard routed to
278          the 2nd effect send of the sampler channel, no matter what the actual
279          effect type is)
280        - implemented support for internal LADSPA effects
281        - raised limit of program change queue from 100 to 512
282          (as suggested by Alex Stone)
283        - implemented sine LFO, pulse LFO and saw LFO
284        - experimental support for per voice equalization
285        - added command line option --exec-after-init
286        - Introduced new C++ API method:
287          EngineChannel::InstrumentFileName(int index)
288          allowing to retrieve the whole list of files used for the loaded
289          instrument on an engine channel (a.k.a. part). Some GigaStudio
290          instruments for example are splitted over several files like
291          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
292        - Added new C++ API method Sampler::GetGlobalMaxVoices().
293        - Added new C++ API method Sampler::GetGlobalMaxStreams().
294        - Added new C++ API method Sampler::SetGlobalMaxVoices().
295        - Added new C++ API method Sampler::SetGlobalMaxStreams().
296        - Various "const" and "restrict" optimizations.
297        - all engines: add pan CC value to instrument pan parameter before
298          applying panning, instead of using two separate pan functions in
299          series (#182)
300        - added a lock guard class for exception safe mutex handling and
301          used it everywhere appropriate
302        - Immediately apply scale tuning changes to active voices.
303        - Exposed scale tuning to C++ API (along to the already existing standard
304          SysEx way).
305        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
306          and broken for ppc64. (Seq_cst loads and stores are actually not
307          used in LS, so the bug wasn't noticable.)
308        - lsatomic.h: added ARMv7 support
309        - Added support for multiple MIDI input ports per sampler channel (and
310          added various new C++ methods for this new feature / design change, old
311          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
312          as deprecated but are still there and should provide full behavior
313          backward compatibility).
314        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
315          unsafe and caused compilation error with clang 2.x).
316        - Bugfix: only process the latest MIDI program change event.
317        - Introducing the LSCP shell, which provides convenient control of the
318          sampler from the command line by providing LSCP aware features.
319        - VirtualMidiDevice: Added support for program change.
320        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
321        - VirtualMidiDevice: Added support for pitch bend.
322        - Aftertouch: extended API to explicitly handle channel pressure and
323          polyphonic key pressure events (so far polyphonic pressure was not
324          supported at all, and channel pressure was rerouted as CC128 but not
325          used so far).
326        - Added initial support for real-time instrument scripts. The script VM
327          code is shared by all sampler engine implemementations, however only the
328          gig file format currently provides support for storing instrument scripts
329          (as LinuxSampler extension to the original GigaStudio 4 format).
330    
331      * Gigasampler format engine:
332        - implemented the "round robin keyboard" dimension
333        - fixed round robin and random dimensions for cases when number of
334          dimension zones is not a power of two
335        - made round robin use a counter for each region instead of each
336          key
337        - bugfix: pitch LFO controller "internal+aftertouch" was broken
338        - bugfix: filter keyboard tracking was broken
339        - filter performance fix (an unnecessary copy was made of the
340          filter parameters in each sub fragment)
341        - handle special case when pan parameter in gig file has max or
342          min value
343        - Exclusive Groups: don't ever stop voices of the same note,
344          doesn't sound naturally with a drumkit
345        - fixed EG1 modulation when attack or release is zero
346        - Fixed support for 'aftertouch' attenuation controller.
347        - Fixed crash that happened with velocity split sounds under certain
348          conditions (see also previous commit on libgig).
349        - fixed behaviour of filter LFO
350    
351      * SFZ format engine:
352        - Initial implementation (not usable yet)
353        - added support for v2 multiple stage envelope generators
354        - added a fine-tuned v1 envelope generator instead of using the
355          one from the gig engine
356        - fixed memory leak and memory handling errors
357        - added support for trigger=first, trigger=legato and sw_previous
358        - allow non-numerical key values ("C#4" for example)
359        - "key" opcode now sets pitch_keycenter too
360        - fixed error when unloading instrument with same sample used by
361          multiple regions
362        - added some opcode aliases, like loopmode for loop_mode, to be
363          more compatible
364        - added support for trigger=release and rt_decay
365        - added support for off_mode=normal
366        - added support for random, seq_position, seq_length and volume
367        - added v1 LFO opcodes to parser (no support in engine yet)
368        - added support for amp_veltrack and amp_velcurve_N
369        - fine-tuned the default velocity curve
370        - added support for transpose
371        - fixed crash when using sw_down/up
372        - improved logic for sw_lokey/hikey/up/down/last
373        - added more v1 aliases to parser
374        - reduced memory usage for sfz data
375        - RT-safeness: avoid malloc in audio thread
376        - fixed a bug that could cause voice stealing to fail
377        - optimized sample lookup
378        - improved support for exclusive groups (group, off_by and
379          off_mode)
380        - added support for controller triggered regions (on_locc/on_hicc)
381        - added support for loop_mode=one_shot
382        - fixed playback of 16 bit wav files on big endian CPUs
383        - added support for Ogg Vorbis sample files
384        - use loop markers from sample file if loop_start and loop_end are
385          not set in sfz file
386        - implemeted filters. Filter types: lowpass, bandpass, bandreject
387          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
388          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
389          cutoff_cc, cutoff_chanaft.
390        - bugfix: zero ampeg_sustain didn't work
391        - added support for velocity effect on amplifier envelope time
392          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
393          ampeg_vel2release)
394        - added support for EG hold (ampeg_hold)
395        - added support for sample offset (offset)
396        - use the newly introduced signal units model
397        - implemented opcodes lfoN_delay,
398          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
399        - implemented opcodes ampeg_delay, ampeg_vel2delay
400          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
401          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
402          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
403          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
404        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
405          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
406          amplfo_delay, amplfo_freq, amplfo_depth
407        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
408          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
409          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
410          fileg_vel2release
411        - implemented opcode lfoN_wave
412        - implemented opcode pitchlfo_depthccN
413        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
414          lfoN_pitch, lfoN_pitch_onccX
415        - implemented opcodes pitchlfo_fade,
416          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
417        - implemented opcodes fillfo_freqccN,
418          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
419        - implemented opcodes ampeg_delayccN, ampeg_startccN,
420          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
421          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
422        - lfoN_* and egN_* opcodes defined in group sections
423          are now taken into account
424        - implemented curves
425        - implemented opcodes volume_onccN, volume_curveccN
426        - implemented opcode volume_smoothccN
427        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
428          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
429          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
430          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
431          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
432        - implemented opcode end
433        - implemented opcodes egN_amplitude_onccX,
434          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
435          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
436        - implemented opcodes xfin_lokey, xfin_hikey,
437          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
438          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
439          xfout_loccN, xfout_hiccN, xf_cccurve
440        - implemented opcodes pan_onccN, pan_smoothccN,
441          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
442          egN_pan_curveccX, pitch_veltrack
443        - when failed to parse a sfz file
444          print the line number on which the error occurs
445        - use common pool of CC objects to minimize RAM usage
446        - implemented opcodes amplfo_delay_onccN,
447          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
448          pitchlfo_delay_onccN, pitchlfo_fade_onccN
449        - implemented opcodes fileg_delay_onccN,
450          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
451          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
452          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
453          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
454          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
455        - implemented automatic aliasing *ccN <-> *_onccN
456        - *lfo_freqccN wasn't working when the respective *lfo_freq
457          was not set or was set to zero
458        - lfoN_freq_onccX wasn't working when lfoN_freq
459          was not set or was set to zero
460        - implemented opcodes resonance_onccN, resonance_smoothccN,
461          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
462        - implemented opcodes fillfo_depthchanaft,
463          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
464          pitchlfo_depthchanaft, pitchlfo_freqchanaft
465        - implemented opcodes pitch_onccN,
466          pitch_curveccN, pitch_smoothccN, pitch_stepccN
467        - implemented opcodes volume_stepccN, pan_stepccN,
468          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
469          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
470          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
471        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
472          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
473          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
474          eq1_gainccN, eq2_gainccN, eq3_gainccN
475        - implemented opcodes delay, delay_onccN, delay_random,
476          delay_samples, delay_samples_onccN
477        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
478          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
479          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
480          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
481          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
482          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
483          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
484          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
485          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
486          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
487          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
488          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
489          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
490          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
491          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
492        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
493          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
494        - sfz parser: allow double spaces in sample filenames
495        - sfz parser: allow absolute paths for sample filenames
496        - use linear decay and release for filter and pitch EG
497        - bugfix: only the first amp_veltrack definition in a file was
498          used
499        - bugfix: looping was disabled if loop_start was set to 0
500        - allow regions with end=-1 to turn off other regions using the
501          group and off_by opcodes (#168)
502        - made end=0 play the whole sample
503        - fixed support for lochan and hichan opcodes (#155)
504        - fixed crash when using lochan/hichan opcodes (#187)
505        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
506        - added FLAC support (#191)
507        - sfz parser bugfix: lines starting with whitespace were ignored
508        - added amplitude opcode
509        - added support for "#include" instruction
510          (modified patch which was originally posted by Sergey on LS mailing list)
511        - bugfix: generation of velocity curves etc should not be done
512          after each "#include", only after the main file is parsed
513        - bugfix: line numbers in error messages were wrong after "#include"
514        - added support for float and 32 bit sample files
515    
516      * SoundFont format engine:
517        - Initial implementation (not usable yet)
518        - RT-safeness: avoid malloc in audio thread
519        - fixed a bug that could cause voice stealing to fail
520        - fine-tuned amplitude EG (by switching from gig to sfz EG)
521        - initial implementation of Vibrato LFO and Modulation LFO
522        - initial implementation of cutoff filter
523        - use linear decay and release for filter and pitch EG
524    
525      * Host plugins (VST, AU, LV2, DSSI):
526        - AU bugfix: failed to destroy its audio/MIDI devices
527        - Listen to all interfaces on Mac OS X (INADDR_ANY)
528        - VST bugfix: If the host called resume() before and after
529          changing sample rate or block size, the number of channels was
530          incorrectly set to two. This caused silence in Cubase 5.
531        - save engine type (gig, sfz or sf2) in plugin state
532        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
533          64 bit Windows
534        - AU: changed number of output channels from one stereo to 16
535          stereo
536        - VST: made it possible to build the VST plugin for Mac
537        - AU: link AU plugin dynamically if --disable-shared isn't
538          specified
539        - LV2 "state" extension support (patch by David Robillard)
540        - VST bugfix: instrument loading hang and crashed the host when
541          the plugin was loaded a second time (#174)
542        - plugin bugfix: instrument loading hang when the plugin was
543          loaded a second time (this time it's for Linux and Mac, previous
544          similar fix was for Windows)
545        - thread safety fixes for the instrument loading thread
546        - LV2: use the new lv2 package if present
547        - VST: try to open Fantasia automatically on Linux and Mac too (on
548          Linux, the Fantasia jar should be placed in <prefix>/share/java)
549        - VST: fixed crashes on Linux Ardour and EnergyXT
550        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
551          port and audio channel routing for DSSI plugins are now visible.
552        - LV2: use urid and atom extensions instead of deprecated uri-map
553          and event
554        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
555        - LV2: changed number of output channels to 16 stereo, just like
556          the VST and AU plugins
557        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
558        - LV2: made LV2 plugin buildable on Windows and Mac
559        - VST: implemented retrieval and switching of programs using the
560          sampler's internal MIDI instrument mapping system
561    
562      * Instrument editor interface:
563        - Changed instrument editor plugin interface, providing additional
564          informations like the EngineChannel for which the instrument editor was
565          spawned for. This allows the instrument editors to interact more actively
566          with the sampler.
567    
568      * MIDI driver:
569        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
570          the ALSA sequencer client name
571        - removed limit of maximum amount of MIDI ports per MIDI device, since
572          there is no reason for this limit
573        - MME: fixed memory handling bug found with cppcheck
574        - MME: removed compiler warning
575        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
576          which allows to retrieve the list of CoreMIDI clients / ports and to connect
577          to them a la JACK, via the usual sampler APIs
578        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
579          the driver will automatically connect to other CoreMIDI clients' ports
580          (e.g. external MIDI devices being attached to the Mac)
581        - added support for MIDI note on velocity filter
582        - CoreMIDI: fixed memory deallocation error
583        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
584          virtual keyboards in frontends / instrument editors being stuck.
585        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
586        - Implemented missing handling of MIDI "running status".
587        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
588        - MME bugfix: driver wasn't closed properly
589        - CoreMIDI: automatically connect to all input sources by default (driver
590          parameter "AUTO_BIND").
591        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
592        - CoreMIDI: fixed minor memory leak
593    
594      * audio driver:
595        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
596        - JACK audio: react on sample rate changes.
597        - JACK audio: react on buffer size changes.
598        - JACK audio: jack_port_get_buffer() was cached and called outside
599          RT context.
600        - ASIO driver: removed compiler warnings
601        - CoreAudio: fixed minor error handling bug
602        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
603        - JACK audio: return the JACK server's current sample rate as default value
604          for audio device parameter "SAMPLERATE" (fixes #166).
605    
606      * LSCP server:
607        - added support for sending MIDI CC messages via LSCP command
608          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
609        - added LSCP command "GET AVAILABLE_EFFECTS"
610        - added LSCP command "LIST AVAILABLE_EFFECTS"
611        - added LSCP command "GET EFFECT INFO <effect-index>"
612        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
613        - added LSCP command
614          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
615        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
616        - added LSCP command "GET EFFECT_INSTANCES"
617        - added LSCP command "LIST EFFECT_INSTANCES"
618        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
619        - added LSCP command
620          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
621        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
622          <effect-instance> <input-control> <value>"
623        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
624        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
625        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
626        - added LSCP command
627          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
628        - added LSCP command
629          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
630        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
631          <effect-chain> <effect-instance>"
632        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
633          <effect-chain> <effect-chain-pos> <effect-instance>"
634        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
635          <effect-chain> <chain-pos>"
636        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
637          <fx_send_id> <effect_chain> <chain_pos>"
638        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
639        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
640          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
641          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
642        - provide comprehensive error messages on LSCP syntax errors
643          (suggesting expected next non-terminal symbols)
644        - Fixed client connection not being closed after network errors.
645    
646      * LSCP shell:
647        - Added support for auto correction of obvious and trivial syntax mistakes.
648        - Added support for auto completion by tab key.
649        - Show currently available auto completion while typing.
650        - Added support for browsing command history with up / down keys.
651        - Show all possible next symbols immediately right to the current command
652          line while typing (no double tab required for this feature, as it would
653          be the case in other shells).
654        - Added support for moving cursor left/right with arrow keys.
655        - Added support for built-in LSCP reference documentation, which will
656          automatically show the relevant LSCP reference section on screen as soon
657          as one specific LSCP command was detected while typing on the command
658          line.
659    
660      * Real-time instrument scripts:
661        - Implemented built-in script array variable %CC.
662        - Implemented built-in script int variable $CC_NUM.
663        - Implemented built-in script int variable $EVENT_NOTE.
664        - Implemented built-in script int variable $EVENT_VELOCITY.
665        - Implemented built-in script constant variable $VCC_MONO_AT.
666        - Implemented built-in script constant variable $VCC_PITCH_BEND.
667        - Implemented execution of script event handler "init".
668        - Implemented execution of script event handler "controller".
669        - Implemented execution of script event handler "note".
670        - Implemented execution of script event handler "release".
671        - Implemented built-in script function "play_note()" (only two of the
672          max. four function arguments are currently implemented yet though).
673        - Implemented built-in script int variable $EVENT_ID.
674        - Implemented built-in script function "ignore_event()"
675        - Implemented built-in script function "ignore_controller()" (may have one
676          or no argument).
677        - Implemented built-in script function "set_controller()".
678        - Added extended script VM for the Gigasampler/GigaStudio format sampler
679          engine, which extends the general instrument script VM with Giga format
680          specific variables and functions.
681        - Giga format scripts: added built-in script int constant variables
682          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
683          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
684          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
685          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
686          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
687          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
688          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
689          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
690          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
691          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
692        - Giga format scripts: Implemented built-in script function
693          "gig_set_dim_zone(event_id, dimension, zone)".
694        - Implemented built-in script int array variable %KEY_DOWN.
695        - Implemented built-in script function "abs()".
696        - Implemented built-in script function "random()".
697        - Implemented built-in script function "num_elements()".
698        - Implemented built-in script function "note_off()".
699        - Implemented built-in script function "set_event_mark()".
700        - Implemented built-in script function "delete_event_mark()".
701        - Implemented built-in script function "by_marks()".
702        - Added built-in script int const variables $MARK_1 to $MARK_28.
703        - Built-in script functions "ignore_event()", "note_off()" and
704          "gig_set_dim_zone()" now also accept an array of event IDs as argument
705          (i.e. return value of new script function "by_marks()").
706        - Pass/preserve polyphonic variable data from respective "note" event
707          handler to "release" event handler.
708        - Fixed crash when using built-in script function "by_marks()".
709    
710      * Bug fixes:
711        - Fixed crash which may occur when MIDI key + transpose is out of range
712        - minor valgrind fixes
713        - fixed crash which occurred when changing an already deployed sampler
714          channel to a different engine type
715        - fixed crash when deleting a sampler channel or changing engine
716          type while an instrument load was in progress
717        - bugfix: playing a note while changing the instrument could cause
718          a crash, or give "Handing back unknown region" error messages
719        - bugfix: calling SET VOICES (which Fantasia does on start and
720          refresh) could cause instruments to be unloaded
721        - Mac OS X: fixed name collision of enum in EffectControl and
722          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
723        - Mac OS X: fixed hanging threads
724        - Windows: disabled the previous thread fix on non-Mac systems, as
725          it caused hanging threads on Windows
726        - Fixed possible crashes due to corrupted MIDI/audio device list
727          after MIDI/audio device creation failure
728        - When creating MIDI instrument map entries with "PERSISTENT" type, the
729          instruments were uselessly precached with zero samples, however it still
730          took the full preloading time and on 1st program change the respective
731          instrument was completely reloaded again.
732        - fixed handling of rapid bank select and program change messages
733          sent to the same sampler channel (patch from the Open Octave
734          project, slightly adjusted)
735        - fixed crash when trying to create an effect instance with controls
736          which min and/or max values depend on the sample rate
737        - fixed bug #162
738        - bugfix: LADSPA_PATH was not evaluated correctly when containing
739          multiple paths (#165)
740        - thread safety fixes for the instrument loading thread
741        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
742          (#176)
743        - more thread safety fixes for the instrument loading thread
744        - sfz/sf2 engine: fixed crash when using small audio fragment size
745        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
746        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
747          introduced in previous fix)
748        - fixed crash when a channel received a program change while
749          playing a note in a key group
750        - fixed erroneous error message piping in VoiceBase.h
751          (labelled "Disk stream not available in time")
752        - Update effects on sample rate & period size changes (to avoid
753          crashes and noise on such transitions).
754        - ignore missing LADSPA paths without ignoring valid LADSPA paths
755          (fixes #208)
756        - Fixed bug in LSCP grammar definition which caused a statement like
757          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
758          practically irrelevant, however it caused problems with the new LSCP
759          shell's auto completion feature).
760        - Fixed MIDI program change messages being ignored if quickly executed
761          after each other (fixes #231).
762    
763    Version 1.0.0 (31 July 2009)
764    
765      * packaging changes:
766        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
767          causing e.g. the libgig test to fail when
768          "./configure --disable-jack-driver" was used
769          (patch by Alexis Ballier)
770        - fixed compilation with gcc 4.3
771        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
772        - fixed configure so it detects x86_64 (#107)
773        - fixes for building with newer MinGW versions
774        - fix for building with bison 2.4 (#111)
775        - fixed building with libgig installed in a non-standard directory
776        - minor fix in configure for mmsystem.h detection on MinGW
777        - Windows: look for editor plugins and Fantasia using base
778          directory of liblinuxsampler dll (look in the same directory and one
779          directory above)
780        - configure script fix: removed unconditional use of SSE
781        - fixed building with sqlite installed in a non-standard directory
782        - when cross-compiling, don't try to create instruments.db
783        - fix for new mingw-w64 version, which has usleep
784    
785      * general changes:
786        - bugfix: on some POSIX systems instrument editor plugins refused to
787          load as we used a non-portable Linux specific struct field
788          (fixes bug #70, patch by Ronald Baljeu)
789        - fixed endless loop which occured when loading an instrument editor
790          plugin DLL on Windows systems failed
791        - fixed memory leaks that occurred when liblinuxsampler was unloaded
792        - optimized the SynchronizedConfig class so it doesn't wait
793          unnecessarily long after an update
794        - added support for notifying instrument editors on note-on / note-off
795          events (e.g. to highlight the pressed keys on the virtual keyboard
796          of gigedit)
797        - added support for triggering notes by instrument editors (see above)
798        - be verbose on DLL load errors (on Linux)
799        - fixed di-harmonic triangle LFO implementation (this LFO implementation
800          is only used by very few systems, most pick the int math
801          implementation, which is usually faster)
802        - fixes for audio drivers with varying buffer sizes
803        - experimental support for running LinuxSampler as a DSSI, LV2 and
804          VST plugin
805        - notification events for stream/voice count statistics are now sent
806          only when there are actual changes
807        - added memory ordering constraints to improve stability on
808          multi-core and multi-cpu systems
809        - maximum voices and disk streams can now be altered at runtime
810        - fixed CPU feature detection on x86_64 (maybe fixes #108)
811        - automatic stacktrace mechanism is now turned off by default and can
812          be switched on by command line option "--stacktrace" (the automatic
813          stacktrace mechanism seems to be broken on most systems at the moment)
814        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
815          a pointer to the launched InstrumentEditor object
816        - added optional 3rd party user data parameter for following
817          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
818          InstrumentEditor::Launch(),
819          InstrumentManager::LaunchInstrumentEditor()
820        - theoretical fix: made SynchronizedConfig follow C++0x memory
821          model more strictly
822        - fixes for using large audio device buffers
823        - Windows: add the installation directory to the DLL search path
824          when loading an editor plugin (solves problems with VST and
825          gigedit on systems with other GTK versions installed)
826        - updated linuxsampler man page
827    
828      * audio driver:
829        - removed the nonsense audio channel constraint (which was hard coded to
830          max. 100 audio channels) for most audio drivers
831        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
832          opposed to the LSCP specs
833        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
834          reflected the wrong value
835        - fixed a memory management bug in ASIO driver
836        - Makefile fix: JACK_CFLAGS wasn't used
837        - JACK: use jack_client_open instead of the deprecated
838          jack_client_new
839        - added (experimental) CoreAudio driver
840        - applied old fixes to the ASIO driver that were included in the
841          previous binary release but accidentally never committed to CVS
842          (fixes #117)
843        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
844          win64)
845        - VST: added support for sample rate and buffer size changes
846        - VST: close editor (Fantasia) when the VST is removed
847        - VST: avoid opening Fantasia more than once for each VST instance
848        - VST: export main function as "main" on Linux too (fix for
849          energyXT)
850        - VST: changed number of output channels from one stereo to 16
851          stereo
852        - added channel routing, fxsends and midi maps to the settings
853          stored in the plugin state
854        - performance optimization of AudioChannel::MixTo() and
855          AudioChannel::CopyTo() methods using GCC vector exensions
856          (if available)
857        - ASIO fixes: avoid initializing the device twice, avoid throwing
858          exception when getting parameters from a disconnected device
859    
860      * MIDI driver:
861        - added JACK MIDI driver
862        - dispatch bank select as ordinary CC as well, the user might seriously
863          want to (mis)use it for some purpose ("fixed" in all current MIDI
864          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
865        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
866          CoreMidi or AU
867        - fixed mingw-w64 compilation error in MME driver
868        - made program change handling in MIDI thread real-time safe by
869          moving the logic to a non-RT thread
870        - fixed minor memory leak in ALSA driver
871    
872      * instruments database:
873        - avoid time consuming samples scanning when adding instruments
874          to the instruments database
875        - added support for handling lost files in the instruments database
876        - Implemented option for adding instruments in separate directories
877          in the instruments database
878          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
879        - work-around for missing fnmatch function on Windows to make
880          instrument database compilable
881        - added instrument database support on Windows
882          works with both standalone mode and VST plugin.
883          the instruments DB file is located in
884          %USERPROFILE%\.linuxsampler\instruments.db which allows different
885          databases for each windows user
886          if no DB is present it automatically creates the .linuxsampler subdir
887          and then creates an empty DB
888        - fixed recursive import, which was broken on Windows
889    
890      * Gigasampler format engine:
891        - fixed a memory leak that could happen when a channel was deleted
892          while notes were playing
893        - made it possible to load an instrument even if the audio thread
894          isn't running
895        - added partial support for the "Controller Triggered" MIDI rule,
896          enough for piano gigs with pedal noise samples
897        - minor fix: only mark FX sends as being modified if really the
898          respective FX send MIDI controller was used
899        - added support for GM global device volume SysEx message
900          (can be selected at compile time to either apply globally to the
901          whole sampler [default] or only to the sampler channels that are
902          connected to the respective MIDI input port the SysEx message arrived
903          on)
904        - bugfix: notes triggered at position 0 in the audio buffer were
905          sometimes wrongly killed in the same buffer, causing no sound to
906          be played
907        - added support for chromatic / drumkit mode Roland GS Sysex message
908          which is usally used to switch a part between chromatic sounds and
909          drumkit sounds (as opposed to their common default setting of MIDI
910          part 10 being a drumkit part and all other ones chromatic parts), in
911          LS however one can switch between the first 16 MIDI instrument maps
912          defined for the sampler
913        - made it possible to create multiple sample channels even if the
914          audio thread isn't running
915        - fixed crash when removing channel with active voices (#116)
916        - bugfix: on sample reference changes (instrument editor), only
917          un-cache the respective sample if it's really not used by any
918          sampler engine anymore
919        - re-cache samples in case they were changed by an instrument editor,
920          e.g. when a sample was added while playing (#82)
921        - fixed hanging notes which occured when note-off event had the exact
922          same time stamp as the voice's note-on event and occured both in the
923          same audio fragment cycle (fixes bug #112)
924        - added support for the "fine tune" and "pitch bend range"
925          instrument-level gig parameters
926        - fixed minor artifacts in pitch bend handling
927        - added support for GS Reset SysEx message
928        - allow gig files to use unlimited downward pitch shifting
929        - added a limit check for upward pitch shifting
930        - bugfix: sometimes, when playing a note twice fast, the second
931          note was silent
932        - fixed crash happening when a pitch bend event arrived at the
933          same time a new instrument was loading
934    
935      * LSCP server:
936        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
937          react on MIDI data arriving on certain sampler channels (so far only
938          Note-On and Note-Off events are sent via this LSCP event)
939        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
940          react on MIDI data arriving on certain MIDI input devices (so far only
941          Note-On and Note-Off events are sent via this LSCP event)
942        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
943          SET DB_INSTRUMENT FILE_PATH
944        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
945          frontends to send MIDI messages to specific sampler channel
946        - added two additional fields to GET FILE INSTRUMENT INFO command -
947          KEY_BINDINGS and KEYSWITCH_BINDINGS
948        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
949          was incorrect
950        - Optimized the retrieval of the MIDI instrument mappings
951        - added new LSCP command "SET VOICES" to globally alter the maximum
952          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
953          be triggered respectively
954        - added new LSCP command "SET STREAMS" to globally alter the maximum
955          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
956          which will be triggered respectively
957        - bugfix: retry if "select" returns EINTR (this fixes a crash when
958          a gigedit file dialog is opened)
959        - close all connections when LSCPServer is deleted
960        - hard close of all sockets on exit
961        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
962          driver
963    
964      * Bug fixes:
965        - fixed a crash which occurs when removing a sampler channel waiting
966          to start instrument loading after another channel
967        - fixed a crash which occurs when removing a sampler channel with
968          instrument loading in progress (bug #113)
969        - fixed termination caused by uncaught exception when adding MIDI
970          instrument with PERSISTENT load mode
971        - fixed possible iterator invalidations when resetting the sampler
972        - fixed memory leaks when issuing the following LSCP commands:
973          GET AUDIO_OUTPUT_DRIVER INFO
974          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
975          GET MIDI_INPUT_DRIVER INFO
976          GET MIDI_INPUT_DRIVER_PARAMETER INFO
977        - fixed possible compilation error when sqlite is not present
978        - fixed orphaned pointers when setting maximum voices limit (bug #118)
979        - fixed crash when changing the audio output device of a sampler
980          channel with loaded instrument and start playing notes
981        - fixed endless loop in Engine::SuspendAll() (bug #120)
982        - fixed a low-level atomic load function that was broken on 64-bit
983          PowerPC, which probably could cause crashes on that platform
984        - fixed a memory management error which could cause a crash when a
985          plugin was unloaded
986        - bugfix: two private structs had the same name, which could cause
987          problems if the linker chose the wrong constructor
988        - fixed low-level ConditionServer usage bug that caused lockups on
989          Windows
990    
991    
992    Version 0.5.1 (6 December 2007)
993    
994      * packaging changes:
995        - added autoconf checks for pthread library
996        - added autoconf check for pthread bug found on certain NPTL-enabled
997          glibc versions (see Gentoo bug report #194076)
998        - added autoconf checks for MS Windows
999    
1000      * general changes:
1001        - bugfix: the thread used by an editor plugin didn't die when the
1002          editor closed
1003        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
1004          out all the space. operator--() did not apply size_mask after
1005          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
1006          order to avoid problems with the _NonVolatileReader functions.
1007        - bugfix: Stream.h: added a missing divide by BytesPerSample in
1008          GetWriteSpace(). Since this function is currently only used in
1009          the stream's qsort() compare function, it didn't trigger any
1010          bugs.
1011        - Resampler.h, Synthesizer.h: cubic interpolation now works in
1012          24bit mode too. Faster method to read 24bit words on little
1013          endian machines (x86): replaced 3 byte reads + shifts with a 1
1014          unaligned 32bit read and shift
1015        - experimental support for MS Windows (MIDI input via MME, AUDIO
1016          output via ASIO)
1017        - made handling of SIGINT signal (Ctrl-C) a bit more robust
1018        - support for monitoring the total number of active disk streams
1019          (new LSCP commands: GET TOTAL_STREAM_COUNT,
1020          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
1021    
1022      * AUDIO driver:
1023        - added Windows ASIO low latency audio driver
1024    
1025      * MIDI driver:
1026        - added MME Windows MIDI driver
1027    
1028      * LSCP server:
1029        - added support for Windows style path / filenames, however with
1030          forward slash path separators instead of backslash
1031          (i.e. "C:/foo/bar.gig")
1032        - allow naughty liblscp to send non-string device parameters within
1033          apostrophes as well
1034        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
1035          "LIST FILE INSTRUMENTS <file>" and
1036          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
1037          about an arbitrary instrument file on the system where the sampler is
1038          running on
1039    
1040    Version 0.5.0 (15 October 2007)
1041    
1042      * packaging changes:
1043        - config.h is not going to be installed along with liblinuxsampler's
1044          API header files anymore
1045        - only the API relevant header (and source) files will be exported to
1046          the Doxygen API documentation (explicitly listed in Doxyfile.in)
1047        - added completely new XCode project files for Mac OSX which is now
1048          capable to execute our autoconf environment, thus no need anymore
1049          to maintain the compile time configuration file (osx/version.h) for
1050          OSX manually (patch by Toshi Nagata)
1051        - fixed buggy boolean --enable-foo / --disable-foo configure script
1052          parameters
1053        - global.h now only covers global definitions that are needed for the
1054          C++ API header files, all implementation internal global definitions
1055          are now in global_private.h
1056        - atomic.h is not exposed to the C++ API anymore
1057        - no need to include config.h anymore for using LS's API header files
1058        - fixed warnings in API doc generation
1059    
1060      * general changes:
1061        - replaced the old, confusing MIDI program change mechanism by a
1062          flexible MIDI instrument mapper which allows to map arbitrary
1063          (MIDI bank, MIDI program) pairs with arbitrary
1064          (engine type, instrument file, file index) triplets which will be
1065          loaded on the respective channel when such MIDI program change
1066          messages arrive, beside that, each entry allows to define a life-time
1067          strategy for the instrument, so the user can define whether the
1068          instrument should i.e. be permanently loaded (to be able to switch
1069          quickly among sounds) or i.e. loaded just on demand when the
1070          respective program change arrives (to safe RAM space), as well as a
1071          global volume factor for each entry, so the user can adjust the volume
1072          dynamic of his mapped instrument collection without having to modify
1073          the instrument files, also one can manage arbitrary amount of such
1074          MIDI instrument maps and assign each sampler channel individually
1075          a certain map, so that i.e. separation of normal instruments and
1076          drumkits is possible
1077        - new notification events for tracking changes to audio/MIDI devices,
1078          MIDI instrument maps, MIDI instruments, FX sends, global volume.
1079        - sampler was limited to load max. 200 instruments in the background
1080          due to a constant size RingBuffer FIFO which is now replaced by a
1081          dynamic (unlimited) size std::list FIFO
1082        - added FX sends, these allow to route audio signals to arbitrary audio
1083          output channels for being processed by external effect processors
1084          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
1085          controllers
1086        - global (sampler wide) volume can now be controlled at runtime
1087        - Implemented new, improved notification system
1088        - fixed compilation errors regarding OSX
1089          (patch by Toshi Nagata)
1090        - implemented instruments database
1091        - added support for escape sequences to the instruments database
1092        - added highly experimental support for on-the-fly instrument editing
1093          within the sampler's process (by using instrument editor plugins),
1094          you'll notice the new "Registered instrument editors:" message on
1095          startup, added a new LSCP command:
1096          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
1097          to spawn a matching instrument editor for the instrument on the
1098          given sampler channel, the plugin path can be overridden at compile
1099          time with ./configure --enable-plugin-dir=/some/dir
1100        - added experimental code for synchronizing instrument editors hosted
1101          in the sampler's process to safely edit instruments while playing
1102          without a crash (hopefully) by either suspending single regions
1103          wherever possible or if unavoidable whole engine(s)
1104        - fixed several issues in fundamental "Thread" class: set scheduling
1105          policy and priority on thread level, set a minimum stack size for
1106          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
1107          threads simply inherited properties of starting thread instead of
1108          setting their own policy and priority
1109        - minor fix in our automatic stack trace mechanism on crashes, the
1110          main process did not wait for the stack trace process to finish
1111          its output
1112        - fixed some minor memory leaks
1113        - reenabled assembly features support, at the moment only for
1114          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
1115        - minor assembly fix in x86 features detection (don't use the PIC
1116          register, to avoid relocations in the text segment at runtime)
1117        - POSIX callback functions of Thread.h are hidden
1118    
1119      * MIDI driver:
1120        - dispatch bank select (MSB and LSB) messages
1121    
1122      * audio driver:
1123        - the ALSA audio output driver parameters now reflect the correct
1124          parameter value ranges for the respective selected sound card
1125          (patch by Till Wimmer, a bit fixed and extended)
1126    
1127      * Gigasampler format engine:
1128        - if a filter is used and EG2 finishes before EG1, let the voice
1129          die when EG2 has finished (this fixes a problem with clicks and
1130          voice starvation for some gigs)
1131        - playback is no longer disabled during instrument loading
1132        - all notes playing on a channel that changes its instrument keep
1133          playing with the old instrument until they get a note off
1134          command
1135        - EG fix: a release value of zero could cause noises or crash
1136        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
1137        - EG fine tuning: when attack is zero the EG starts at a level
1138          above max sustain level, which means that there is a decay phase
1139          even if sustain is 100%
1140        - more EG fixes: the level could sometimes go below zero and cause
1141          noises or crashes
1142        - minor fix of EGDecay (patch by Toshi Nagata)
1143        - fixed compiler error when --enable-override-filter-type was
1144          supplied to the configure script (fixes #46)
1145        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1146          instead of a fix value
1147        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1148          127 (solo mode) only kill voices if the respective mode really
1149          changed
1150    
1151      * LSCP server:
1152        - fixed compile time error for old Bison versions
1153          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1154        - parser now supports extended ASCII character set
1155          (up to ASCII code 255, i.e. includes now umlauts and accents)
1156        - filename arguments in LSCP commands now allow to use escape
1157          sequences, that is directly literal as one of: \', \", \\, \n, \r,
1158          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1159          code value like \xf2) (fixes bug #24)
1160        - the following LSCP commands now also support escape sequences for at
1161          least one of their text-based parameters (i.e. name, description):
1162          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1163          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1164          "SET DB_INSTRUMENT_DIRECTORY NAME",
1165          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1166          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1167          "FIND DB_INSTRUMENT_DIRECTORIES"
1168        - returns verbose syntax errors (line and column where syntax error
1169          occured, the unexpected character and the actually expected, possible
1170          character(s), the latter only if less than 5 possibilities)
1171        - made sure that LSCP syntax is not affected by gigedit locale
1172          settings
1173        - bugfix regarding strings parameter lists: all comma separated lists
1174          of strings were treated as being one string containing commas
1175          (fixes #57)
1176    
1177      * Bug fixes:
1178        - fixed crash occurring on certain LSCP scripts (Bug 39)
1179        - another thread safety fix for lscp "load engine" and "set
1180          channel audio output device"
1181        - fixed a crash which occurs when reassigning the same engine
1182          on a sampler channel with connected MIDI device
1183        - fixed a crash which occurs when changing the number of ports of a MIDI
1184          device connected to a sampler channel to number less then or equal
1185          to the index of the port to which the sampler channel is connected.
1186        - The previous bindings were not been disconnected when altering
1187          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1188          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1189        - The active stream/voice count statistic was incorrect.
1190        - notification events were not been sent for some sampler
1191          channel changes
1192        - added default min and max values to restrict the number of allowed
1193          audio output channels and MIDI input ports
1194        - the connection to the PCM interface is now closed when destroying
1195          an audio output device
1196        - files with slash in their path or filename could not be loaded
1197    
1198      * test cases:
1199        - updated and fixed (haven't been touched in a while)
1200    
1201    Version 0.4.0 (24 November 2006)
1202    
1203      * packaging changes:
1204        - changed deprecated copyright attribute to license; added ldconfig
1205          to post-(un)install steps; added devel package for liblinuxsampler;
1206          to linuxsampler.spec (RPM)
1207        - install necessary development header files for allowing 3rd party
1208          applications to link against liblinuxsampler
1209        - liblinuxsampler's API documentation can be generated with 'make docs'
1210          (Doxygen required)
1211        - added benchmark to automatically detect the best triangle LFO
1212          implementation (currently either an integer math solution or a
1213          di-harmonic approximation), automatic detection can be overriden
1214          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
1215          configure script argument though (mandatory for cross-compilation)
1216        - do not automatically pick optimized gcc flags if the user already
1217          provided some on his own (as CXXFLAGS)
1218        - added compile time option to disable processing of All-Notes-Off MIDI
1219          messages
1220        - added compile time options to allow disabling the various audio and
1221          MIDI drivers
1222        - fixed automatic GCC CPU switch detection on PPC
1223          (patch by Ebrahim Mayat)
1224    
1225      * Gigasampler format engine:
1226        - extensive synthesis optimization
1227          (reimplementation of EGs and LFO(s), removed synthesis parameter
1228          prerendering and the synthesis parameter matrix in general, splitting
1229          each audio fragment into subfragments now where each subfragment uses
1230          constant pitch and filter coefficients. The volume coefficient is
1231          linearly interpolated inside a subfragment, unless
1232          --disable-interpolate-volume is set.)
1233        - fine tuning of the EG modulation parameters
1234        - improved filter cutoff calculation by adding support for the
1235          following gig parameters: Cutoff freq (used when no cutoff
1236          controller is defined), Control invert, Minimum cutoff, Velocity
1237          curve and Velocity range. The keyboard tracking now scales
1238          cutoff frequency instead of resonance.
1239        - added support for gig parameter Resonance.
1240        - fixed bug in sysex handling (patch by Juan Linietsky)
1241        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
1242          which can be overridden with --enable-global-attenuation
1243        - EG fixes: made the length of "attack hold" stage more
1244          accurate. Release stage can now start before attack stage
1245          ends. Cancel release didn't work when sustain was zero. Attack
1246          time now has a minimal value to prevent clicks.
1247        - fixed pitch changes larger than one octave
1248        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
1249        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
1250          all modes can be altered via standard GM messages, that is CC5 for
1251          altering portamento time, CC65 for enabling / disabling portamento
1252          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
1253        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
1254          parameter) and crossfade
1255        - added support for the "attenuation controller threshold" gig
1256          parameter
1257        - added smoothing of volume changes caused by control change
1258          messages
1259        - sample loop parameters are now taken from the DimensionRegion
1260          instead of the wave chunk
1261        - fixed keyswitching for v3 gigs with a number of keyswitch splits
1262          not equal to a power of two
1263        - reimplementation of the filter algorithm. The new filter is more
1264          accurate and supports all gig filter types, including bandreject
1265          and lowpass turbo.
1266        - real support for 24 bit samples - samples are not truncated to
1267          16 bits anymore
1268        - support for aftertouch (channel pressure, not polyphonic
1269          aftertouch)
1270        - LFO1 behaviour fixed (dampening from max volume instead of
1271          amplifying from 0)
1272    
1273      * LSCP server:
1274        - fixed application exit on broken pipe error (fixes bug #20)
1275        - fixed the notification messages delay due to lack of
1276          network activity (fixes bug #26)
1277        - fixed parser bug which occured on space(s) within device parameters
1278          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
1279    
1280      * audio driver:
1281        - added aRts audio output driver (by no means RT safe)
1282    
1283      * MIDI driver:
1284        - fixed legacy sysex code which caused dispatching of MIDI SysEx
1285          messages several times instead of once
1286        - API extension for MIDI drivers which already supply exact time stamps
1287          for events (i.e. for offline rendering based MIDI drivers)
1288        - added checks for bad MIDI data
1289    
1290      * linuxsampler application:
1291        - show available sampler engine types on startup
1292    
1293      * general changes:
1294        - support for muting sampler channels and solo mode of the same, two new
1295          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
1296          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
1297          introduced for this, the behavior is the same like on a mixer console
1298          (patch by Grigor Iliev, a bit adjusted). Also added configure option
1299          --enable-process-muted-channels which can be used to enable the
1300          processing of muted channels.
1301        - support for sostenuto pedal
1302        - support for monitoring the total number of active voices
1303          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
1304          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
1305        - fixed some memory management errors
1306        - fixed some concurrency problems that could lead to crashes when
1307          LSCP commands were executed
1308        - fixed crash when instrument loading failed previously on the same
1309          sampler channel (fixes bug #36)
1310    
1311    Version 0.3.3 (15 July 2005)
1312    
1313      * packaging changes:
1314        - fixed compilation with gcc 4.0
1315    
1316      * Gigasampler format engine:
1317        - LFO preprocessing was performed even though the respective LFO was
1318          disabled by the instrument patch (minor efficiency fix)
1319        - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
1320          for volume ramp downs in the same fragment (needed for current voice
1321          stealing implementation) then simply inform the user with a warning
1322          about possible click sounds and reduce the volume ramp down
1323          appropriately instead of cancelling the audio device connection
1324    
1325    Version 0.3.2 (24 June 2005)
1326    
1327    * packaging changes:    * packaging changes:
1328      - updated autotools build files to compile on OS X      - updated autotools build files to compile on OS X
1329        (conditional compilation of CoreMIDI and MidiShare drivers)        (conditional compilation of CoreMIDI and MidiShare drivers)
1330      - hand-crafted assembly optimization code can be disabled with      - hand-crafted assembly optimization code can be disabled with
1331        './configure --disable-asm' (definitely not recommended)        './configure --disable-asm' (definitely not recommended)
1332    * support for the gig parameters for "release velocity response"      - fixed 'make dist' rule to include all necessary files
1333      curves      - require automake (>= 1.5) for 'make -f Makefile.cvs'
1334    * fine tuning of the EGADSR envelope        (due to 'dist-bzip2' automake option)
1335    
1336      * Gigasampler format engine:
1337        - support for the gig parameters for "release velocity response" curves
1338        - fine tuning of the EGADSR envelope
1339        - volume of release triggered samples now depends on note-on velocity,
1340          note length and gig parameter "release trigger decay" instead of
1341          note-off velocity.
1342        - revised voice stealing
1343          (fixes crash and endless loop caused by voice stealing)
1344        - don't reset scale tuning on instrument or audio output device change
1345        - handle key group conflicts right at the beginning of each fragment
1346          instead of when the respective voice is actually launched
1347          (fixes undefined behavior if stolen voices belonged to a key group -
1348          this case was followed by a "killed voice survived" error message)
1349        - fixed minor issue with null/silence samples
1350          (those stole voices even though they don't need a voice at all which
1351          resulted in "voice stealing didn't work out" messages)
1352        - don't reset volume, pan, pitch and MIDI controller values on
1353          instrument or audio output device change
1354    
1355      * LSCP server:
1356        - fixed some crashes (patch by Grigor Iliev, fixes #19)
1357        - fixed LSCP event "CHANNEL_INFO" notification
1358          (e.g. did not notify on volume changes or MIDI program change events)
1359    
1360      * linuxsampler application:
1361        - added command line parameters --lscp-addr and --lscp-port to override
1362          default IP address and port of LSCP server
1363    
1364  Version 0.3.1 (24 May 2005)  Version 0.3.1 (24 May 2005)
1365    

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