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revision 1065 by schoenebeck, Sun Mar 4 02:09:10 2007 UTC revision 2970 by schoenebeck, Thu Jul 21 16:22:55 2016 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    
6      * general changes:
7        - fixed printf type errors (mostly in debug messages)
8        - use unique_ptr instead of auto_ptr when building with C++11
9        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
10          allowing to sort data efficiently in real-time safe manner.
11        - RTList class: added methods for moving/inserting elements to arbitrary
12          position within a list.
13        - RTList class: added method fromPtr() for creating an Iterator object from
14          a raw element pointer.
15        - Attempt to partly fix resetting engine channels vs. resetting engine, an
16          overall cleanup of the Reset*(), ConnectAudioDevice(),
17          DisconnectAudioDevice() API methods would still be desirable though,
18          because the current situation is still inconsistent and error prone.
19        - Active voices are now internally grouped to "Note" objects, instead of
20          being directly assigned to a keyboard key. This allows more fine graded
21          processing of voices, which is i.e. required for certain instrument
22          script features.
23        - Fix: Release trigger voices were not spawned on sustain pedal up
24          (CC #64) events.
25        - Fix: Release trigger voices can now also distinguish correctly between
26          note-off and sustain pedal up events.
27        - All engines: Increased ramp speed of volume smoother and pan smoother
28          (while slow rate of crossfade smoother is preserved) to allow quick
29          volume and pan changes by instrument scripts for instance.
30    
31      * packaging changes:
32        - removed unnecessary dependency to libuuid
33          (originated by libgig's usage of it)
34        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
35          auto detect whether it (sh/c)ould output its messages in color.
36    
37      * Real-time instrument scripts:
38        - Implemented scheduler for delayed MIDI events and for suspended scripts.
39        - Built-in script function "wait()": implemented support for function's
40          "duration-us" argument, thus scripts using this function are now
41          correctly resumed after the requested amount of microseconds.
42        - Built-in script function "play_note()": implemented support for
43          function's "duration-us" argument, thus notes triggered with this
44          argument are now correctly released after the requested amount of
45          microseconds.
46        - Fix: script events were not cleared when engine channel was reset,
47          potentially causing undefined behavior.
48        - Fixed crash which happened when trying to reference an undeclared
49          variable.
50        - Built-in script function "play_note()": Added support for passing
51          special value -1 for "duration-us" argument, which will cause the
52          triggered note to be released once the original note was released.
53        - Instrument script classes now exported with the liblinuxsampler C++ API.
54        - Added new API method ScriptVM::syntaxHighlighting() which provides
55          a convenient syntax highlighting backend for external instrument
56          script editor applications.
57        - Added new C++ API class "ScriptVMFactory".
58        - Extended parser issues to provide not only first line and first
59          column, but also last line and last column of issue (thus marking
60          the precise span of the issue within the source code).
61        - Reload script automatically after being modified by an instrument
62          editor.
63        - NKSP language grammar correction: allow empty event handler bodies
64          like "on note end on".
65        - Implemented built-in script function "change_vol()".
66        - Implemented built-in script function "change_tune()".
67        - Implemented built-in script function "change_pan()".
68        - Implemented built-in script function "change_cutoff()".
69        - Implemented built-in script function "change_reso()".
70        - Implemented built-in script function "event_status()".
71        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
72          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
73          "event_status()" function.
74        - NKSP language: Added support for bitwise operators ".or.", ".and."
75          and ".not.".
76        - NKSP language scanner: Fixed IDs matching to require at least one
77          character (i.e. when matching function names or variable names).
78        - NKSP language scanner: disabled unusued rules.
79        - Fixed behavior of play_note() and note_off() functions which must
80          be distinguished engine internally from "real" MIDI note on/off
81          events in order to avoid misbehaviors like hanging notes.
82        - Implemented built-in script variable "$KSP_TIMER".
83        - Implemented built-in script variable "$NKSP_REAL_TIMER".
84        - Implemented built-in script variable "$NKSP_PERF_TIMER".
85        - Implemented built-in script variable "$ENGINE_UPTIME".
86        - Implemented built-in script function "inc()".
87        - Implemented built-in script function "dec()".
88        - NKSP language fix: division expressions were evaluated too often.
89        - NKSP language fix: string concatenation operator was right
90          associative instead of left (to right).
91        - NKSP language correction: allow empty statements in entire language
92          (i.e. "if end if").
93        - Implemented built-in script function "stop_wait()".
94        - Implemented built-in script variable "$NI_CALLBACK_ID".
95        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
96        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
97        - Added support for read-only built-in variables (respectively
98          handled by the script parser).
99        - Added built-in script constant "$NI_CB_TYPE_INIT".
100        - Added built-in script constant "$NI_CB_TYPE_NOTE".
101        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
102        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
103        - NKSP Language: Added support for user defined script functions.
104        - Implemented built-in script function "change_attack()".
105        - Implemented built-in script function "change_decay()".
106        - Implemented built-in script function "change_release()".
107        - Fixed all change_*() built-in script functions to apply their
108          synthesis parameter changes immediately in case the respective note
109          was triggered at the same time, instead of scheduling the parameter
110          change, especially because it would cause some parameter types's
111          changes either to be ramped (i.e. change_vol()) or other types even
112          to have not effect at all (i.e. change_attack()).
113        - Implemented built-in script function "sh_left()".
114        - Implemented built-in script function "sh_right()".
115        - Implemented built-in script function "min()".
116        - Implemented built-in script function "max()".
117    
118    Version 2.0.0 (15 July 2015)
119    
120      * packaging changes:
121        - fixed building with newer MinGW-w64
122        - Mac OS X: support the new dir for Core Audio SDK
123        - Mac OS X: fixed building outside source directory
124        - made sure all source files for hostplugins are included when
125          doing "make dist"
126        - removed empty directories left from the cvs to svn migration
127        - fixed compilation with gcc 4.6.1
128        - another "make dist" fix, for the LV2 plugin
129        - made --enable-pthread-testcancel default on Mac OS X
130        - minor Makefile fix for building lscpparser when build and source
131          directories are separate
132        - Mac OS X: made it possible to specify plugin installation dir to
133          configure
134        - Mac OS X: Makefile fix for the install-strip target
135        - fixed compilation with gcc 4.7
136        - fixed configure script error with old autoconf versions
137        - lsatomic.h: use gcc provided atomic functions if building with
138          gcc 4.7 and C++11
139        - modernized configure script
140        - fixed linkage error when building with
141          LDFLAGS="-Wl,--no-undefined" (#190)
142        - fixed compilation with Clang 3.2
143        - removed usage of deprecated Automake variable INCLUDES
144        - fixed building with C++11
145        - build fix: ChangeFlagRelaxed.h was missing in makefile
146        - build fix: libsndfile compiler flags were missing in some
147          makefiles
148        - fix for building with bison 3.0 (#202)
149        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
150          on the process's main thread
151        - fixed build error on newer MinGW
152        - support building with older jack versions
153        - support building with spaces in vst sdk path
154        - enabled automake 'subdir-objects' option and moved external
155          source references (vst, au, asio) from makefiles to cpp files,
156          in order to get rid of warnings from automake 1.14
157    
158      * general changes:
159        - Refactoring: moved the independent code from
160          the Gigasampler format engine to base classes
161        - command line option '--profile' is currently disabled, since the
162          respective profiling code is currently broken
163        - Introduced support for optional environment variable
164          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
165          where the sampler shall look for instrument editor plugins
166          (patch by Luis Garrido, slightly modified).
167        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
168        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
169        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
170          note (in this implementation of the sampler its simply hard routed to
171          the 1st effect send of the sampler channel, no matter what the actual
172          effect type is)
173        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
174          note (in this implementation of the sampler its simply hard routed to
175          the 2nd effect send of the sampler channel, no matter what the actual
176          effect type is)
177        - implemented support for internal LADSPA effects
178        - raised limit of program change queue from 100 to 512
179          (as suggested by Alex Stone)
180        - implemented sine LFO, pulse LFO and saw LFO
181        - experimental support for per voice equalization
182        - added command line option --exec-after-init
183        - Introduced new C++ API method:
184          EngineChannel::InstrumentFileName(int index)
185          allowing to retrieve the whole list of files used for the loaded
186          instrument on an engine channel (a.k.a. part). Some GigaStudio
187          instruments for example are splitted over several files like
188          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
189        - Added new C++ API method Sampler::GetGlobalMaxVoices().
190        - Added new C++ API method Sampler::GetGlobalMaxStreams().
191        - Added new C++ API method Sampler::SetGlobalMaxVoices().
192        - Added new C++ API method Sampler::SetGlobalMaxStreams().
193        - Various "const" and "restrict" optimizations.
194        - all engines: add pan CC value to instrument pan parameter before
195          applying panning, instead of using two separate pan functions in
196          series (#182)
197        - added a lock guard class for exception safe mutex handling and
198          used it everywhere appropriate
199        - Immediately apply scale tuning changes to active voices.
200        - Exposed scale tuning to C++ API (along to the already existing standard
201          SysEx way).
202        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
203          and broken for ppc64. (Seq_cst loads and stores are actually not
204          used in LS, so the bug wasn't noticable.)
205        - lsatomic.h: added ARMv7 support
206        - Added support for multiple MIDI input ports per sampler channel (and
207          added various new C++ methods for this new feature / design change, old
208          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
209          as deprecated but are still there and should provide full behavior
210          backward compatibility).
211        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
212          unsafe and caused compilation error with clang 2.x).
213        - Bugfix: only process the latest MIDI program change event.
214        - Introducing the LSCP shell, which provides convenient control of the
215          sampler from the command line by providing LSCP aware features.
216        - VirtualMidiDevice: Added support for program change.
217        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
218        - VirtualMidiDevice: Added support for pitch bend.
219        - Aftertouch: extended API to explicitly handle channel pressure and
220          polyphonic key pressure events (so far polyphonic pressure was not
221          supported at all, and channel pressure was rerouted as CC128 but not
222          used so far).
223        - Added initial support for real-time instrument scripts. The script VM
224          code is shared by all sampler engine implemementations, however only the
225          gig file format currently provides support for storing instrument scripts
226          (as LinuxSampler extension to the original GigaStudio 4 format).
227    
228      * Gigasampler format engine:
229        - implemented the "round robin keyboard" dimension
230        - fixed round robin and random dimensions for cases when number of
231          dimension zones is not a power of two
232        - made round robin use a counter for each region instead of each
233          key
234        - bugfix: pitch LFO controller "internal+aftertouch" was broken
235        - bugfix: filter keyboard tracking was broken
236        - filter performance fix (an unnecessary copy was made of the
237          filter parameters in each sub fragment)
238        - handle special case when pan parameter in gig file has max or
239          min value
240        - Exclusive Groups: don't ever stop voices of the same note,
241          doesn't sound naturally with a drumkit
242        - fixed EG1 modulation when attack or release is zero
243        - Fixed support for 'aftertouch' attenuation controller.
244        - Fixed crash that happened with velocity split sounds under certain
245          conditions (see also previous commit on libgig).
246        - fixed behaviour of filter LFO
247    
248      * SFZ format engine:
249        - Initial implementation (not usable yet)
250        - added support for v2 multiple stage envelope generators
251        - added a fine-tuned v1 envelope generator instead of using the
252          one from the gig engine
253        - fixed memory leak and memory handling errors
254        - added support for trigger=first, trigger=legato and sw_previous
255        - allow non-numerical key values ("C#4" for example)
256        - "key" opcode now sets pitch_keycenter too
257        - fixed error when unloading instrument with same sample used by
258          multiple regions
259        - added some opcode aliases, like loopmode for loop_mode, to be
260          more compatible
261        - added support for trigger=release and rt_decay
262        - added support for off_mode=normal
263        - added support for random, seq_position, seq_length and volume
264        - added v1 LFO opcodes to parser (no support in engine yet)
265        - added support for amp_veltrack and amp_velcurve_N
266        - fine-tuned the default velocity curve
267        - added support for transpose
268        - fixed crash when using sw_down/up
269        - improved logic for sw_lokey/hikey/up/down/last
270        - added more v1 aliases to parser
271        - reduced memory usage for sfz data
272        - RT-safeness: avoid malloc in audio thread
273        - fixed a bug that could cause voice stealing to fail
274        - optimized sample lookup
275        - improved support for exclusive groups (group, off_by and
276          off_mode)
277        - added support for controller triggered regions (on_locc/on_hicc)
278        - added support for loop_mode=one_shot
279        - fixed playback of 16 bit wav files on big endian CPUs
280        - added support for Ogg Vorbis sample files
281        - use loop markers from sample file if loop_start and loop_end are
282          not set in sfz file
283        - implemeted filters. Filter types: lowpass, bandpass, bandreject
284          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
285          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
286          cutoff_cc, cutoff_chanaft.
287        - bugfix: zero ampeg_sustain didn't work
288        - added support for velocity effect on amplifier envelope time
289          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
290          ampeg_vel2release)
291        - added support for EG hold (ampeg_hold)
292        - added support for sample offset (offset)
293        - use the newly introduced signal units model
294        - implemented opcodes lfoN_delay,
295          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
296        - implemented opcodes ampeg_delay, ampeg_vel2delay
297          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
298          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
299          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
300          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
301        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
302          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
303          amplfo_delay, amplfo_freq, amplfo_depth
304        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
305          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
306          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
307          fileg_vel2release
308        - implemented opcode lfoN_wave
309        - implemented opcode pitchlfo_depthccN
310        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
311          lfoN_pitch, lfoN_pitch_onccX
312        - implemented opcodes pitchlfo_fade,
313          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
314        - implemented opcodes fillfo_freqccN,
315          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
316        - implemented opcodes ampeg_delayccN, ampeg_startccN,
317          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
318          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
319        - lfoN_* and egN_* opcodes defined in group sections
320          are now taken into account
321        - implemented curves
322        - implemented opcodes volume_onccN, volume_curveccN
323        - implemented opcode volume_smoothccN
324        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
325          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
326          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
327          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
328          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
329        - implemented opcode end
330        - implemented opcodes egN_amplitude_onccX,
331          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
332          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
333        - implemented opcodes xfin_lokey, xfin_hikey,
334          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
335          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
336          xfout_loccN, xfout_hiccN, xf_cccurve
337        - implemented opcodes pan_onccN, pan_smoothccN,
338          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
339          egN_pan_curveccX, pitch_veltrack
340        - when failed to parse a sfz file
341          print the line number on which the error occurs
342        - use common pool of CC objects to minimize RAM usage
343        - implemented opcodes amplfo_delay_onccN,
344          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
345          pitchlfo_delay_onccN, pitchlfo_fade_onccN
346        - implemented opcodes fileg_delay_onccN,
347          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
348          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
349          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
350          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
351          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
352        - implemented automatic aliasing *ccN <-> *_onccN
353        - *lfo_freqccN wasn't working when the respective *lfo_freq
354          was not set or was set to zero
355        - lfoN_freq_onccX wasn't working when lfoN_freq
356          was not set or was set to zero
357        - implemented opcodes resonance_onccN, resonance_smoothccN,
358          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
359        - implemented opcodes fillfo_depthchanaft,
360          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
361          pitchlfo_depthchanaft, pitchlfo_freqchanaft
362        - implemented opcodes pitch_onccN,
363          pitch_curveccN, pitch_smoothccN, pitch_stepccN
364        - implemented opcodes volume_stepccN, pan_stepccN,
365          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
366          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
367          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
368        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
369          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
370          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
371          eq1_gainccN, eq2_gainccN, eq3_gainccN
372        - implemented opcodes delay, delay_onccN, delay_random,
373          delay_samples, delay_samples_onccN
374        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
375          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
376          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
377          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
378          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
379          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
380          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
381          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
382          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
383          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
384          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
385          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
386          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
387          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
388          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
389        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
390          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
391        - sfz parser: allow double spaces in sample filenames
392        - sfz parser: allow absolute paths for sample filenames
393        - use linear decay and release for filter and pitch EG
394        - bugfix: only the first amp_veltrack definition in a file was
395          used
396        - bugfix: looping was disabled if loop_start was set to 0
397        - allow regions with end=-1 to turn off other regions using the
398          group and off_by opcodes (#168)
399        - made end=0 play the whole sample
400        - fixed support for lochan and hichan opcodes (#155)
401        - fixed crash when using lochan/hichan opcodes (#187)
402        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
403        - added FLAC support (#191)
404        - sfz parser bugfix: lines starting with whitespace were ignored
405        - added amplitude opcode
406        - added support for "#include" instruction
407          (modified patch which was originally posted by Sergey on LS mailing list)
408        - bugfix: generation of velocity curves etc should not be done
409          after each "#include", only after the main file is parsed
410        - bugfix: line numbers in error messages were wrong after "#include"
411        - added support for float and 32 bit sample files
412    
413      * SoundFont format engine:
414        - Initial implementation (not usable yet)
415        - RT-safeness: avoid malloc in audio thread
416        - fixed a bug that could cause voice stealing to fail
417        - fine-tuned amplitude EG (by switching from gig to sfz EG)
418        - initial implementation of Vibrato LFO and Modulation LFO
419        - initial implementation of cutoff filter
420        - use linear decay and release for filter and pitch EG
421    
422      * Host plugins (VST, AU, LV2, DSSI):
423        - AU bugfix: failed to destroy its audio/MIDI devices
424        - Listen to all interfaces on Mac OS X (INADDR_ANY)
425        - VST bugfix: If the host called resume() before and after
426          changing sample rate or block size, the number of channels was
427          incorrectly set to two. This caused silence in Cubase 5.
428        - save engine type (gig, sfz or sf2) in plugin state
429        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
430          64 bit Windows
431        - AU: changed number of output channels from one stereo to 16
432          stereo
433        - VST: made it possible to build the VST plugin for Mac
434        - AU: link AU plugin dynamically if --disable-shared isn't
435          specified
436        - LV2 "state" extension support (patch by David Robillard)
437        - VST bugfix: instrument loading hang and crashed the host when
438          the plugin was loaded a second time (#174)
439        - plugin bugfix: instrument loading hang when the plugin was
440          loaded a second time (this time it's for Linux and Mac, previous
441          similar fix was for Windows)
442        - thread safety fixes for the instrument loading thread
443        - LV2: use the new lv2 package if present
444        - VST: try to open Fantasia automatically on Linux and Mac too (on
445          Linux, the Fantasia jar should be placed in <prefix>/share/java)
446        - VST: fixed crashes on Linux Ardour and EnergyXT
447        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
448          port and audio channel routing for DSSI plugins are now visible.
449        - LV2: use urid and atom extensions instead of deprecated uri-map
450          and event
451        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
452        - LV2: changed number of output channels to 16 stereo, just like
453          the VST and AU plugins
454        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
455        - LV2: made LV2 plugin buildable on Windows and Mac
456        - VST: implemented retrieval and switching of programs using the
457          sampler's internal MIDI instrument mapping system
458    
459      * Instrument editor interface:
460        - Changed instrument editor plugin interface, providing additional
461          informations like the EngineChannel for which the instrument editor was
462          spawned for. This allows the instrument editors to interact more actively
463          with the sampler.
464    
465      * MIDI driver:
466        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
467          the ALSA sequencer client name
468        - removed limit of maximum amount of MIDI ports per MIDI device, since
469          there is no reason for this limit
470        - MME: fixed memory handling bug found with cppcheck
471        - MME: removed compiler warning
472        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
473          which allows to retrieve the list of CoreMIDI clients / ports and to connect
474          to them a la JACK, via the usual sampler APIs
475        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
476          the driver will automatically connect to other CoreMIDI clients' ports
477          (e.g. external MIDI devices being attached to the Mac)
478        - added support for MIDI note on velocity filter
479        - CoreMIDI: fixed memory deallocation error
480        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
481          virtual keyboards in frontends / instrument editors being stuck.
482        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
483        - Implemented missing handling of MIDI "running status".
484        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
485        - MME bugfix: driver wasn't closed properly
486        - CoreMIDI: automatically connect to all input sources by default (driver
487          parameter "AUTO_BIND").
488        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
489        - CoreMIDI: fixed minor memory leak
490    
491      * audio driver:
492        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
493        - JACK audio: react on sample rate changes.
494        - JACK audio: react on buffer size changes.
495        - JACK audio: jack_port_get_buffer() was cached and called outside
496          RT context.
497        - ASIO driver: removed compiler warnings
498        - CoreAudio: fixed minor error handling bug
499        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
500        - JACK audio: return the JACK server's current sample rate as default value
501          for audio device parameter "SAMPLERATE" (fixes #166).
502    
503      * LSCP server:
504        - added support for sending MIDI CC messages via LSCP command
505          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
506        - added LSCP command "GET AVAILABLE_EFFECTS"
507        - added LSCP command "LIST AVAILABLE_EFFECTS"
508        - added LSCP command "GET EFFECT INFO <effect-index>"
509        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
510        - added LSCP command
511          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
512        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
513        - added LSCP command "GET EFFECT_INSTANCES"
514        - added LSCP command "LIST EFFECT_INSTANCES"
515        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
516        - added LSCP command
517          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
518        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
519          <effect-instance> <input-control> <value>"
520        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
521        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
522        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
523        - added LSCP command
524          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
525        - added LSCP command
526          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
527        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
528          <effect-chain> <effect-instance>"
529        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
530          <effect-chain> <effect-chain-pos> <effect-instance>"
531        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
532          <effect-chain> <chain-pos>"
533        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
534          <fx_send_id> <effect_chain> <chain_pos>"
535        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
536        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
537          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
538          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
539        - provide comprehensive error messages on LSCP syntax errors
540          (suggesting expected next non-terminal symbols)
541    
542      * LSCP shell:
543        - Added support for auto correction of obvious and trivial syntax mistakes.
544        - Added support for auto completion by tab key.
545        - Show currently available auto completion while typing.
546        - Added support for browsing command history with up / down keys.
547        - Show all possible next symbols immediately right to the current command
548          line while typing (no double tab required for this feature, as it would
549          be the case in other shells).
550        - Added support for moving cursor left/right with arrow keys.
551        - Added support for built-in LSCP reference documentation, which will
552          automatically show the relevant LSCP reference section on screen as soon
553          as one specific LSCP command was detected while typing on the command
554          line.
555    
556      * Real-time instrument scripts:
557        - Implemented built-in script array variable %CC.
558        - Implemented built-in script int variable $CC_NUM.
559        - Implemented built-in script int variable $EVENT_NOTE.
560        - Implemented built-in script int variable $EVENT_VELOCITY.
561        - Implemented built-in script constant variable $VCC_MONO_AT.
562        - Implemented built-in script constant variable $VCC_PITCH_BEND.
563        - Implemented execution of script event handler "init".
564        - Implemented execution of script event handler "controller".
565        - Implemented execution of script event handler "note".
566        - Implemented execution of script event handler "release".
567        - Implemented built-in script function "play_note()" (only two of the
568          max. four function arguments are currently implemented yet though).
569        - Implemented built-in script int variable $EVENT_ID.
570        - Implemented built-in script function "ignore_event()"
571        - Implemented built-in script function "ignore_controller()" (may have one
572          or no argument).
573        - Implemented built-in script function "set_controller()".
574        - Added extended script VM for the Gigasampler/GigaStudio format sampler
575          engine, which extends the general instrument script VM with Giga format
576          specific variables and functions.
577        - Giga format scripts: added built-in script int constant variables
578          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
579          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
580          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
581          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
582          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
583          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
584          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
585          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
586          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
587          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
588        - Giga format scripts: Implemented built-in script function
589          "gig_set_dim_zone(event_id, dimension, zone)".
590        - Implemented built-in script int array variable $KEY_DOWN.
591        - Implemented built-in script function "abs()".
592        - Implemented built-in script function "random()".
593        - Implemented built-in script function "num_elements()".
594        - Implemented built-in script function "note_off()".
595        - Implemented built-in script function "set_event_mark()".
596        - Implemented built-in script function "delete_event_mark()".
597        - Implemented built-in script function "by_marks()".
598        - Added built-in script int const variables $MARK_1 to $MARK_28.
599        - Built-in script functions "ignore_event()", "note_off()" and
600          "gig_set_dim_zone()" now also accept an array of event IDs as argument
601          (i.e. return value of new script function "by_marks()").
602        - Pass/preserve polyphonic variable data from respective "note" event
603          handler to "release" event handler.
604    
605      * Bug fixes:
606        - Fixed crash which may occur when MIDI key + transpose is out of range
607        - minor valgrind fixes
608        - fixed crash which occurred when changing an already deployed sampler
609          channel to a different engine type
610        - fixed crash when deleting a sampler channel or changing engine
611          type while an instrument load was in progress
612        - bugfix: playing a note while changing the instrument could cause
613          a crash, or give "Handing back unknown region" error messages
614        - bugfix: calling SET VOICES (which Fantasia does on start and
615          refresh) could cause instruments to be unloaded
616        - Mac OS X: fixed name collision of enum in EffectControl and
617          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
618        - Mac OS X: fixed hanging threads
619        - Windows: disabled the previous thread fix on non-Mac systems, as
620          it caused hanging threads on Windows
621        - Fixed possible crashes due to corrupted MIDI/audio device list
622          after MIDI/audio device creation failure
623        - When creating MIDI instrument map entries with "PERSISTENT" type, the
624          instruments were uselessly precached with zero samples, however it still
625          took the full preloading time and on 1st program change the respective
626          instrument was completely reloaded again.
627        - fixed handling of rapid bank select and program change messages
628          sent to the same sampler channel (patch from the Open Octave
629          project, slightly adjusted)
630        - fixed crash when trying to create an effect instance with controls
631          which min and/or max values depend on the sample rate
632        - fixed bug #162
633        - bugfix: LADSPA_PATH was not evaluated correctly when containing
634          multiple paths (#165)
635        - thread safety fixes for the instrument loading thread
636        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
637          (#176)
638        - more thread safety fixes for the instrument loading thread
639        - sfz/sf2 engine: fixed crash when using small audio fragment size
640        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
641        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
642          introduced in previous fix)
643        - fixed crash when a channel received a program change while
644          playing a note in a key group
645        - fixed erroneous error message piping in VoiceBase.h
646          (labelled "Disk stream not available in time")
647        - Update effects on sample rate & period size changes (to avoid
648          crashes and noise on such transitions).
649        - ignore missing LADSPA paths without ignoring valid LADSPA paths
650          (fixes #208)
651        - Fixed bug in LSCP grammar definition which caused a statement like
652          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
653          practically irrelevant, however it caused problems with the new LSCP
654          shell's auto completion feature).
655        - Fixed MIDI program change messages being ignored if quickly executed
656          after each other (fixes #231).
657    
658    Version 1.0.0 (31 July 2009)
659    
660    * packaging changes:    * packaging changes:
661        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
662          causing e.g. the libgig test to fail when
663          "./configure --disable-jack-driver" was used
664          (patch by Alexis Ballier)
665        - fixed compilation with gcc 4.3
666        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
667        - fixed configure so it detects x86_64 (#107)
668        - fixes for building with newer MinGW versions
669        - fix for building with bison 2.4 (#111)
670        - fixed building with libgig installed in a non-standard directory
671        - minor fix in configure for mmsystem.h detection on MinGW
672        - Windows: look for editor plugins and Fantasia using base
673          directory of liblinuxsampler dll (look in the same directory and one
674          directory above)
675        - configure script fix: removed unconditional use of SSE
676        - fixed building with sqlite installed in a non-standard directory
677        - when cross-compiling, don't try to create instruments.db
678        - fix for new mingw-w64 version, which has usleep
679    
680      * general changes:
681        - bugfix: on some POSIX systems instrument editor plugins refused to
682          load as we used a non-portable Linux specific struct field
683          (fixes bug #70, patch by Ronald Baljeu)
684        - fixed endless loop which occured when loading an instrument editor
685          plugin DLL on Windows systems failed
686        - fixed memory leaks that occurred when liblinuxsampler was unloaded
687        - optimized the SynchronizedConfig class so it doesn't wait
688          unnecessarily long after an update
689        - added support for notifying instrument editors on note-on / note-off
690          events (e.g. to highlight the pressed keys on the virtual keyboard
691          of gigedit)
692        - added support for triggering notes by instrument editors (see above)
693        - be verbose on DLL load errors (on Linux)
694        - fixed di-harmonic triangle LFO implementation (this LFO implementation
695          is only used by very few systems, most pick the int math
696          implementation, which is usually faster)
697        - fixes for audio drivers with varying buffer sizes
698        - experimental support for running LinuxSampler as a DSSI, LV2 and
699          VST plugin
700        - notification events for stream/voice count statistics are now sent
701          only when there are actual changes
702        - added memory ordering constraints to improve stability on
703          multi-core and multi-cpu systems
704        - maximum voices and disk streams can now be altered at runtime
705        - fixed CPU feature detection on x86_64 (maybe fixes #108)
706        - automatic stacktrace mechanism is now turned off by default and can
707          be switched on by command line option "--stacktrace" (the automatic
708          stacktrace mechanism seems to be broken on most systems at the moment)
709        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
710          a pointer to the launched InstrumentEditor object
711        - added optional 3rd party user data parameter for following
712          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
713          InstrumentEditor::Launch(),
714          InstrumentManager::LaunchInstrumentEditor()
715        - theoretical fix: made SynchronizedConfig follow C++0x memory
716          model more strictly
717        - fixes for using large audio device buffers
718        - Windows: add the installation directory to the DLL search path
719          when loading an editor plugin (solves problems with VST and
720          gigedit on systems with other GTK versions installed)
721        - updated linuxsampler man page
722    
723      * audio driver:
724        - removed the nonsense audio channel constraint (which was hard coded to
725          max. 100 audio channels) for most audio drivers
726        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
727          opposed to the LSCP specs
728        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
729          reflected the wrong value
730        - fixed a memory management bug in ASIO driver
731        - Makefile fix: JACK_CFLAGS wasn't used
732        - JACK: use jack_client_open instead of the deprecated
733          jack_client_new
734        - added (experimental) CoreAudio driver
735        - applied old fixes to the ASIO driver that were included in the
736          previous binary release but accidentally never committed to CVS
737          (fixes #117)
738        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
739          win64)
740        - VST: added support for sample rate and buffer size changes
741        - VST: close editor (Fantasia) when the VST is removed
742        - VST: avoid opening Fantasia more than once for each VST instance
743        - VST: export main function as "main" on Linux too (fix for
744          energyXT)
745        - VST: changed number of output channels from one stereo to 16
746          stereo
747        - added channel routing, fxsends and midi maps to the settings
748          stored in the plugin state
749        - performance optimization of AudioChannel::MixTo() and
750          AudioChannel::CopyTo() methods using GCC vector exensions
751          (if available)
752        - ASIO fixes: avoid initializing the device twice, avoid throwing
753          exception when getting parameters from a disconnected device
754    
755      * MIDI driver:
756        - added JACK MIDI driver
757        - dispatch bank select as ordinary CC as well, the user might seriously
758          want to (mis)use it for some purpose ("fixed" in all current MIDI
759          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
760        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
761          CoreMidi or AU
762        - fixed mingw-w64 compilation error in MME driver
763        - made program change handling in MIDI thread real-time safe by
764          moving the logic to a non-RT thread
765        - fixed minor memory leak in ALSA driver
766    
767      * instruments database:
768        - avoid time consuming samples scanning when adding instruments
769          to the instruments database
770        - added support for handling lost files in the instruments database
771        - Implemented option for adding instruments in separate directories
772          in the instruments database
773          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
774        - work-around for missing fnmatch function on Windows to make
775          instrument database compilable
776        - added instrument database support on Windows
777          works with both standalone mode and VST plugin.
778          the instruments DB file is located in
779          %USERPROFILE%\.linuxsampler\instruments.db which allows different
780          databases for each windows user
781          if no DB is present it automatically creates the .linuxsampler subdir
782          and then creates an empty DB
783        - fixed recursive import, which was broken on Windows
784    
785      * Gigasampler format engine:
786        - fixed a memory leak that could happen when a channel was deleted
787          while notes were playing
788        - made it possible to load an instrument even if the audio thread
789          isn't running
790        - added partial support for the "Controller Triggered" MIDI rule,
791          enough for piano gigs with pedal noise samples
792        - minor fix: only mark FX sends as being modified if really the
793          respective FX send MIDI controller was used
794        - added support for GM global device volume SysEx message
795          (can be selected at compile time to either apply globally to the
796          whole sampler [default] or only to the sampler channels that are
797          connected to the respective MIDI input port the SysEx message arrived
798          on)
799        - bugfix: notes triggered at position 0 in the audio buffer were
800          sometimes wrongly killed in the same buffer, causing no sound to
801          be played
802        - added support for chromatic / drumkit mode Roland GS Sysex message
803          which is usally used to switch a part between chromatic sounds and
804          drumkit sounds (as opposed to their common default setting of MIDI
805          part 10 being a drumkit part and all other ones chromatic parts), in
806          LS however one can switch between the first 16 MIDI instrument maps
807          defined for the sampler
808        - made it possible to create multiple sample channels even if the
809          audio thread isn't running
810        - fixed crash when removing channel with active voices (#116)
811        - bugfix: on sample reference changes (instrument editor), only
812          un-cache the respective sample if it's really not used by any
813          sampler engine anymore
814        - re-cache samples in case they were changed by an instrument editor,
815          e.g. when a sample was added while playing (#82)
816        - fixed hanging notes which occured when note-off event had the exact
817          same time stamp as the voice's note-on event and occured both in the
818          same audio fragment cycle (fixes bug #112)
819        - added support for the "fine tune" and "pitch bend range"
820          instrument-level gig parameters
821        - fixed minor artifacts in pitch bend handling
822        - added support for GS Reset SysEx message
823        - allow gig files to use unlimited downward pitch shifting
824        - added a limit check for upward pitch shifting
825        - bugfix: sometimes, when playing a note twice fast, the second
826          note was silent
827        - fixed crash happening when a pitch bend event arrived at the
828          same time a new instrument was loading
829    
830      * LSCP server:
831        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
832          react on MIDI data arriving on certain sampler channels (so far only
833          Note-On and Note-Off events are sent via this LSCP event)
834        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
835          react on MIDI data arriving on certain MIDI input devices (so far only
836          Note-On and Note-Off events are sent via this LSCP event)
837        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
838          SET DB_INSTRUMENT FILE_PATH
839        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
840          frontends to send MIDI messages to specific sampler channel
841        - added two additional fields to GET FILE INSTRUMENT INFO command -
842          KEY_BINDINGS and KEYSWITCH_BINDINGS
843        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
844          was incorrect
845        - Optimized the retrieval of the MIDI instrument mappings
846        - added new LSCP command "SET VOICES" to globally alter the maximum
847          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
848          be triggered respectively
849        - added new LSCP command "SET STREAMS" to globally alter the maximum
850          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
851          which will be triggered respectively
852        - bugfix: retry if "select" returns EINTR (this fixes a crash when
853          a gigedit file dialog is opened)
854        - close all connections when LSCPServer is deleted
855        - hard close of all sockets on exit
856        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
857          driver
858    
859      * Bug fixes:
860        - fixed a crash which occurs when removing a sampler channel waiting
861          to start instrument loading after another channel
862        - fixed a crash which occurs when removing a sampler channel with
863          instrument loading in progress (bug #113)
864        - fixed termination caused by uncaught exception when adding MIDI
865          instrument with PERSISTENT load mode
866        - fixed possible iterator invalidations when resetting the sampler
867        - fixed memory leaks when issuing the following LSCP commands:
868          GET AUDIO_OUTPUT_DRIVER INFO
869          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
870          GET MIDI_INPUT_DRIVER INFO
871          GET MIDI_INPUT_DRIVER_PARAMETER INFO
872        - fixed possible compilation error when sqlite is not present
873        - fixed orphaned pointers when setting maximum voices limit (bug #118)
874        - fixed crash when changing the audio output device of a sampler
875          channel with loaded instrument and start playing notes
876        - fixed endless loop in Engine::SuspendAll() (bug #120)
877        - fixed a low-level atomic load function that was broken on 64-bit
878          PowerPC, which probably could cause crashes on that platform
879        - fixed a memory management error which could cause a crash when a
880          plugin was unloaded
881        - bugfix: two private structs had the same name, which could cause
882          problems if the linker chose the wrong constructor
883        - fixed low-level ConditionServer usage bug that caused lockups on
884          Windows
885    
886    
887    Version 0.5.1 (6 December 2007)
888    
889      * packaging changes:
890        - added autoconf checks for pthread library
891        - added autoconf check for pthread bug found on certain NPTL-enabled
892          glibc versions (see Gentoo bug report #194076)
893        - added autoconf checks for MS Windows
894    
895      * general changes:
896        - bugfix: the thread used by an editor plugin didn't die when the
897          editor closed
898        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
899          out all the space. operator--() did not apply size_mask after
900          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
901          order to avoid problems with the _NonVolatileReader functions.
902        - bugfix: Stream.h: added a missing divide by BytesPerSample in
903          GetWriteSpace(). Since this function is currently only used in
904          the stream's qsort() compare function, it didn't trigger any
905          bugs.
906        - Resampler.h, Synthesizer.h: cubic interpolation now works in
907          24bit mode too. Faster method to read 24bit words on little
908          endian machines (x86): replaced 3 byte reads + shifts with a 1
909          unaligned 32bit read and shift
910        - experimental support for MS Windows (MIDI input via MME, AUDIO
911          output via ASIO)
912        - made handling of SIGINT signal (Ctrl-C) a bit more robust
913        - support for monitoring the total number of active disk streams
914          (new LSCP commands: GET TOTAL_STREAM_COUNT,
915          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
916    
917      * AUDIO driver:
918        - added Windows ASIO low latency audio driver
919    
920      * MIDI driver:
921        - added MME Windows MIDI driver
922    
923      * LSCP server:
924        - added support for Windows style path / filenames, however with
925          forward slash path separators instead of backslash
926          (i.e. "C:/foo/bar.gig")
927        - allow naughty liblscp to send non-string device parameters within
928          apostrophes as well
929        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
930          "LIST FILE INSTRUMENTS <file>" and
931          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
932          about an arbitrary instrument file on the system where the sampler is
933          running on
934    
935    Version 0.5.0 (15 October 2007)
936    
937      * packaging changes:
938        - config.h is not going to be installed along with liblinuxsampler's
939          API header files anymore
940      - only the API relevant header (and source) files will be exported to      - only the API relevant header (and source) files will be exported to
941        the Doxygen API documentation (explicitly listed in Doxyfile.in)        the Doxygen API documentation (explicitly listed in Doxyfile.in)
942        - added completely new XCode project files for Mac OSX which is now
943          capable to execute our autoconf environment, thus no need anymore
944          to maintain the compile time configuration file (osx/version.h) for
945          OSX manually (patch by Toshi Nagata)
946        - fixed buggy boolean --enable-foo / --disable-foo configure script
947          parameters
948        - global.h now only covers global definitions that are needed for the
949          C++ API header files, all implementation internal global definitions
950          are now in global_private.h
951        - atomic.h is not exposed to the C++ API anymore
952        - no need to include config.h anymore for using LS's API header files
953        - fixed warnings in API doc generation
954    
955    * general changes:    * general changes:
956      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
# Line 21  Version CVS HEAD (?) Line 969  Version CVS HEAD (?)
969        MIDI instrument maps and assign each sampler channel individually        MIDI instrument maps and assign each sampler channel individually
970        a certain map, so that i.e. separation of normal instruments and        a certain map, so that i.e. separation of normal instruments and
971        drumkits is possible        drumkits is possible
972      - new notification events for tracking audio/MIDI device changes,      - new notification events for tracking changes to audio/MIDI devices,
973        MIDI instrument map changes and MIDI instrument changes        MIDI instrument maps, MIDI instruments, FX sends, global volume.
974      - sampler was limited to load max. 200 instruments in the background      - sampler was limited to load max. 200 instruments in the background
975        due to a constant size RingBuffer FIFO which is now replaced by a        due to a constant size RingBuffer FIFO which is now replaced by a
976        dynamic (unlimited) size std::list FIFO        dynamic (unlimited) size std::list FIFO
# Line 31  Version CVS HEAD (?) Line 979  Version CVS HEAD (?)
979        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
980        controllers        controllers
981      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
982        - Implemented new, improved notification system
983        - fixed compilation errors regarding OSX
984          (patch by Toshi Nagata)
985        - implemented instruments database
986        - added support for escape sequences to the instruments database
987        - added highly experimental support for on-the-fly instrument editing
988          within the sampler's process (by using instrument editor plugins),
989          you'll notice the new "Registered instrument editors:" message on
990          startup, added a new LSCP command:
991          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
992          to spawn a matching instrument editor for the instrument on the
993          given sampler channel, the plugin path can be overridden at compile
994          time with ./configure --enable-plugin-dir=/some/dir
995        - added experimental code for synchronizing instrument editors hosted
996          in the sampler's process to safely edit instruments while playing
997          without a crash (hopefully) by either suspending single regions
998          wherever possible or if unavoidable whole engine(s)
999        - fixed several issues in fundamental "Thread" class: set scheduling
1000          policy and priority on thread level, set a minimum stack size for
1001          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
1002          threads simply inherited properties of starting thread instead of
1003          setting their own policy and priority
1004        - minor fix in our automatic stack trace mechanism on crashes, the
1005          main process did not wait for the stack trace process to finish
1006          its output
1007        - fixed some minor memory leaks
1008        - reenabled assembly features support, at the moment only for
1009          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
1010        - minor assembly fix in x86 features detection (don't use the PIC
1011          register, to avoid relocations in the text segment at runtime)
1012        - POSIX callback functions of Thread.h are hidden
1013    
1014    * MIDI driver:    * MIDI driver:
1015      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 53  Version CVS HEAD (?) Line 1032  Version CVS HEAD (?)
1032      - EG fine tuning: when attack is zero the EG starts at a level      - EG fine tuning: when attack is zero the EG starts at a level
1033        above max sustain level, which means that there is a decay phase        above max sustain level, which means that there is a decay phase
1034        even if sustain is 100%        even if sustain is 100%
1035        - more EG fixes: the level could sometimes go below zero and cause
1036          noises or crashes
1037        - minor fix of EGDecay (patch by Toshi Nagata)
1038        - fixed compiler error when --enable-override-filter-type was
1039          supplied to the configure script (fixes #46)
1040        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1041          instead of a fix value
1042        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1043          127 (solo mode) only kill voices if the respective mode really
1044          changed
1045    
1046      * LSCP server:
1047        - fixed compile time error for old Bison versions
1048          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1049        - parser now supports extended ASCII character set
1050          (up to ASCII code 255, i.e. includes now umlauts and accents)
1051        - filename arguments in LSCP commands now allow to use escape
1052          sequences, that is directly literal as one of: \', \", \\, \n, \r,
1053          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1054          code value like \xf2) (fixes bug #24)
1055        - the following LSCP commands now also support escape sequences for at
1056          least one of their text-based parameters (i.e. name, description):
1057          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1058          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1059          "SET DB_INSTRUMENT_DIRECTORY NAME",
1060          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1061          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1062          "FIND DB_INSTRUMENT_DIRECTORIES"
1063        - returns verbose syntax errors (line and column where syntax error
1064          occured, the unexpected character and the actually expected, possible
1065          character(s), the latter only if less than 5 possibilities)
1066        - made sure that LSCP syntax is not affected by gigedit locale
1067          settings
1068        - bugfix regarding strings parameter lists: all comma separated lists
1069          of strings were treated as being one string containing commas
1070          (fixes #57)
1071    
1072    * Bug fixes:    * Bug fixes:
1073      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
1074      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
1075        channel audio output device"        channel audio output device"
1076        - fixed a crash which occurs when reassigning the same engine
1077          on a sampler channel with connected MIDI device
1078        - fixed a crash which occurs when changing the number of ports of a MIDI
1079          device connected to a sampler channel to number less then or equal
1080          to the index of the port to which the sampler channel is connected.
1081        - The previous bindings were not been disconnected when altering
1082          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1083          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1084        - The active stream/voice count statistic was incorrect.
1085        - notification events were not been sent for some sampler
1086          channel changes
1087        - added default min and max values to restrict the number of allowed
1088          audio output channels and MIDI input ports
1089        - the connection to the PCM interface is now closed when destroying
1090          an audio output device
1091        - files with slash in their path or filename could not be loaded
1092    
1093      * test cases:
1094        - updated and fixed (haven't been touched in a while)
1095    
1096  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
1097    

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