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revision 1041 by schoenebeck, Wed Feb 7 17:45:19 2007 UTC revision 3015 by schoenebeck, Tue Oct 18 20:13:08 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        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
31          properly and thus were ignored for certain uses.
32    
33      * packaging changes:
34        - removed unnecessary dependency to libuuid
35          (originated by libgig's usage of it)
36        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
37          auto detect whether it (sh/c)ould output its messages in color.
38    
39      * Real-time instrument scripts:
40        - Implemented scheduler for delayed MIDI events and for suspended scripts.
41        - Built-in script function "wait()": implemented support for function's
42          "duration-us" argument, thus scripts using this function are now
43          correctly resumed after the requested amount of microseconds.
44        - Built-in script function "play_note()": implemented support for
45          function's "duration-us" argument, thus notes triggered with this
46          argument are now correctly released after the requested amount of
47          microseconds.
48        - Fix: script events were not cleared when engine channel was reset,
49          potentially causing undefined behavior.
50        - Fixed crash which happened when trying to reference an undeclared
51          variable.
52        - Built-in script function "play_note()": Added support for passing
53          special value -1 for "duration-us" argument, which will cause the
54          triggered note to be released once the original note was released.
55        - Instrument script classes now exported with the liblinuxsampler C++ API.
56        - Added new API method ScriptVM::syntaxHighlighting() which provides
57          a convenient syntax highlighting backend for external instrument
58          script editor applications.
59        - Added new C++ API class "ScriptVMFactory".
60        - Extended parser issues to provide not only first line and first
61          column, but also last line and last column of issue (thus marking
62          the precise span of the issue within the source code).
63        - Reload script automatically after being modified by an instrument
64          editor.
65        - NKSP language grammar correction: allow empty event handler bodies
66          like "on note end on".
67        - Implemented built-in script function "change_vol()".
68        - Implemented built-in script function "change_tune()".
69        - Implemented built-in script function "change_pan()".
70        - Implemented built-in script function "change_cutoff()".
71        - Implemented built-in script function "change_reso()".
72        - Implemented built-in script function "event_status()".
73        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
74          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
75          "event_status()" function.
76        - NKSP language: Added support for bitwise operators ".or.", ".and."
77          and ".not.".
78        - NKSP language scanner: Fixed IDs matching to require at least one
79          character (i.e. when matching function names or variable names).
80        - NKSP language scanner: disabled unusued rules.
81        - Fixed behavior of play_note() and note_off() functions which must
82          be distinguished engine internally from "real" MIDI note on/off
83          events in order to avoid misbehaviors like hanging notes.
84        - Implemented built-in script variable "$KSP_TIMER".
85        - Implemented built-in script variable "$NKSP_REAL_TIMER".
86        - Implemented built-in script variable "$NKSP_PERF_TIMER".
87        - Implemented built-in script variable "$ENGINE_UPTIME".
88        - Implemented built-in script function "inc()".
89        - Implemented built-in script function "dec()".
90        - NKSP language fix: division expressions were evaluated too often.
91        - NKSP language fix: string concatenation operator was right
92          associative instead of left (to right).
93        - NKSP language correction: allow empty statements in entire language
94          (i.e. "if end if").
95        - Implemented built-in script function "stop_wait()".
96        - Implemented built-in script variable "$NI_CALLBACK_ID".
97        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
98        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
99        - Added support for read-only built-in variables (respectively
100          handled by the script parser).
101        - Added built-in script constant "$NI_CB_TYPE_INIT".
102        - Added built-in script constant "$NI_CB_TYPE_NOTE".
103        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
104        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
105        - NKSP Language: Added support for user defined script functions.
106        - Implemented built-in script function "change_attack()".
107        - Implemented built-in script function "change_decay()".
108        - Implemented built-in script function "change_release()".
109        - Fixed all change_*() built-in script functions to apply their
110          synthesis parameter changes immediately in case the respective note
111          was triggered at the same time, instead of scheduling the parameter
112          change, especially because it would cause some parameter types's
113          changes either to be ramped (i.e. change_vol()) or other types even
114          to have not effect at all (i.e. change_attack()).
115        - Implemented built-in script function "sh_left()".
116        - Implemented built-in script function "sh_right()".
117        - Implemented built-in script function "min()".
118        - Implemented built-in script function "max()".
119        - NKSP Fix: "init" event handler was not always executed when a script
120          was loaded.
121        - NKSP built-in wait() script function: abort script execution if
122          a negative or zero wait time was passed as argument (since this is
123          a common indication of a bug either of the script or even of the
124          engine, which could lead to RT instability or even worse).
125        - ScriptVM: Implemented automatic suspension of RT safety
126          threatening scripts.
127        - Provide more user friendly error messages on syntax errors.
128        - Fixed NKSP parser warning "Not a statement" when assigning an
129          initializer list to an array variable.
130    
131    Version 2.0.0 (15 July 2015)
132    
133      * packaging changes:
134        - fixed building with newer MinGW-w64
135        - Mac OS X: support the new dir for Core Audio SDK
136        - Mac OS X: fixed building outside source directory
137        - made sure all source files for hostplugins are included when
138          doing "make dist"
139        - removed empty directories left from the cvs to svn migration
140        - fixed compilation with gcc 4.6.1
141        - another "make dist" fix, for the LV2 plugin
142        - made --enable-pthread-testcancel default on Mac OS X
143        - minor Makefile fix for building lscpparser when build and source
144          directories are separate
145        - Mac OS X: made it possible to specify plugin installation dir to
146          configure
147        - Mac OS X: Makefile fix for the install-strip target
148        - fixed compilation with gcc 4.7
149        - fixed configure script error with old autoconf versions
150        - lsatomic.h: use gcc provided atomic functions if building with
151          gcc 4.7 and C++11
152        - modernized configure script
153        - fixed linkage error when building with
154          LDFLAGS="-Wl,--no-undefined" (#190)
155        - fixed compilation with Clang 3.2
156        - removed usage of deprecated Automake variable INCLUDES
157        - fixed building with C++11
158        - build fix: ChangeFlagRelaxed.h was missing in makefile
159        - build fix: libsndfile compiler flags were missing in some
160          makefiles
161        - fix for building with bison 3.0 (#202)
162        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
163          on the process's main thread
164        - fixed build error on newer MinGW
165        - support building with older jack versions
166        - support building with spaces in vst sdk path
167        - enabled automake 'subdir-objects' option and moved external
168          source references (vst, au, asio) from makefiles to cpp files,
169          in order to get rid of warnings from automake 1.14
170    
171      * general changes:
172        - Refactoring: moved the independent code from
173          the Gigasampler format engine to base classes
174        - command line option '--profile' is currently disabled, since the
175          respective profiling code is currently broken
176        - Introduced support for optional environment variable
177          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
178          where the sampler shall look for instrument editor plugins
179          (patch by Luis Garrido, slightly modified).
180        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
181        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
182        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
183          note (in this implementation of the sampler its simply hard routed to
184          the 1st effect send of the sampler channel, no matter what the actual
185          effect type is)
186        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
187          note (in this implementation of the sampler its simply hard routed to
188          the 2nd effect send of the sampler channel, no matter what the actual
189          effect type is)
190        - implemented support for internal LADSPA effects
191        - raised limit of program change queue from 100 to 512
192          (as suggested by Alex Stone)
193        - implemented sine LFO, pulse LFO and saw LFO
194        - experimental support for per voice equalization
195        - added command line option --exec-after-init
196        - Introduced new C++ API method:
197          EngineChannel::InstrumentFileName(int index)
198          allowing to retrieve the whole list of files used for the loaded
199          instrument on an engine channel (a.k.a. part). Some GigaStudio
200          instruments for example are splitted over several files like
201          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
202        - Added new C++ API method Sampler::GetGlobalMaxVoices().
203        - Added new C++ API method Sampler::GetGlobalMaxStreams().
204        - Added new C++ API method Sampler::SetGlobalMaxVoices().
205        - Added new C++ API method Sampler::SetGlobalMaxStreams().
206        - Various "const" and "restrict" optimizations.
207        - all engines: add pan CC value to instrument pan parameter before
208          applying panning, instead of using two separate pan functions in
209          series (#182)
210        - added a lock guard class for exception safe mutex handling and
211          used it everywhere appropriate
212        - Immediately apply scale tuning changes to active voices.
213        - Exposed scale tuning to C++ API (along to the already existing standard
214          SysEx way).
215        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
216          and broken for ppc64. (Seq_cst loads and stores are actually not
217          used in LS, so the bug wasn't noticable.)
218        - lsatomic.h: added ARMv7 support
219        - Added support for multiple MIDI input ports per sampler channel (and
220          added various new C++ methods for this new feature / design change, old
221          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
222          as deprecated but are still there and should provide full behavior
223          backward compatibility).
224        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
225          unsafe and caused compilation error with clang 2.x).
226        - Bugfix: only process the latest MIDI program change event.
227        - Introducing the LSCP shell, which provides convenient control of the
228          sampler from the command line by providing LSCP aware features.
229        - VirtualMidiDevice: Added support for program change.
230        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
231        - VirtualMidiDevice: Added support for pitch bend.
232        - Aftertouch: extended API to explicitly handle channel pressure and
233          polyphonic key pressure events (so far polyphonic pressure was not
234          supported at all, and channel pressure was rerouted as CC128 but not
235          used so far).
236        - Added initial support for real-time instrument scripts. The script VM
237          code is shared by all sampler engine implemementations, however only the
238          gig file format currently provides support for storing instrument scripts
239          (as LinuxSampler extension to the original GigaStudio 4 format).
240    
241      * Gigasampler format engine:
242        - implemented the "round robin keyboard" dimension
243        - fixed round robin and random dimensions for cases when number of
244          dimension zones is not a power of two
245        - made round robin use a counter for each region instead of each
246          key
247        - bugfix: pitch LFO controller "internal+aftertouch" was broken
248        - bugfix: filter keyboard tracking was broken
249        - filter performance fix (an unnecessary copy was made of the
250          filter parameters in each sub fragment)
251        - handle special case when pan parameter in gig file has max or
252          min value
253        - Exclusive Groups: don't ever stop voices of the same note,
254          doesn't sound naturally with a drumkit
255        - fixed EG1 modulation when attack or release is zero
256        - Fixed support for 'aftertouch' attenuation controller.
257        - Fixed crash that happened with velocity split sounds under certain
258          conditions (see also previous commit on libgig).
259        - fixed behaviour of filter LFO
260    
261      * SFZ format engine:
262        - Initial implementation (not usable yet)
263        - added support for v2 multiple stage envelope generators
264        - added a fine-tuned v1 envelope generator instead of using the
265          one from the gig engine
266        - fixed memory leak and memory handling errors
267        - added support for trigger=first, trigger=legato and sw_previous
268        - allow non-numerical key values ("C#4" for example)
269        - "key" opcode now sets pitch_keycenter too
270        - fixed error when unloading instrument with same sample used by
271          multiple regions
272        - added some opcode aliases, like loopmode for loop_mode, to be
273          more compatible
274        - added support for trigger=release and rt_decay
275        - added support for off_mode=normal
276        - added support for random, seq_position, seq_length and volume
277        - added v1 LFO opcodes to parser (no support in engine yet)
278        - added support for amp_veltrack and amp_velcurve_N
279        - fine-tuned the default velocity curve
280        - added support for transpose
281        - fixed crash when using sw_down/up
282        - improved logic for sw_lokey/hikey/up/down/last
283        - added more v1 aliases to parser
284        - reduced memory usage for sfz data
285        - RT-safeness: avoid malloc in audio thread
286        - fixed a bug that could cause voice stealing to fail
287        - optimized sample lookup
288        - improved support for exclusive groups (group, off_by and
289          off_mode)
290        - added support for controller triggered regions (on_locc/on_hicc)
291        - added support for loop_mode=one_shot
292        - fixed playback of 16 bit wav files on big endian CPUs
293        - added support for Ogg Vorbis sample files
294        - use loop markers from sample file if loop_start and loop_end are
295          not set in sfz file
296        - implemeted filters. Filter types: lowpass, bandpass, bandreject
297          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
298          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
299          cutoff_cc, cutoff_chanaft.
300        - bugfix: zero ampeg_sustain didn't work
301        - added support for velocity effect on amplifier envelope time
302          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
303          ampeg_vel2release)
304        - added support for EG hold (ampeg_hold)
305        - added support for sample offset (offset)
306        - use the newly introduced signal units model
307        - implemented opcodes lfoN_delay,
308          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
309        - implemented opcodes ampeg_delay, ampeg_vel2delay
310          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
311          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
312          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
313          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
314        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
315          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
316          amplfo_delay, amplfo_freq, amplfo_depth
317        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
318          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
319          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
320          fileg_vel2release
321        - implemented opcode lfoN_wave
322        - implemented opcode pitchlfo_depthccN
323        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
324          lfoN_pitch, lfoN_pitch_onccX
325        - implemented opcodes pitchlfo_fade,
326          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
327        - implemented opcodes fillfo_freqccN,
328          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
329        - implemented opcodes ampeg_delayccN, ampeg_startccN,
330          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
331          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
332        - lfoN_* and egN_* opcodes defined in group sections
333          are now taken into account
334        - implemented curves
335        - implemented opcodes volume_onccN, volume_curveccN
336        - implemented opcode volume_smoothccN
337        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
338          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
339          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
340          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
341          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
342        - implemented opcode end
343        - implemented opcodes egN_amplitude_onccX,
344          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
345          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
346        - implemented opcodes xfin_lokey, xfin_hikey,
347          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
348          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
349          xfout_loccN, xfout_hiccN, xf_cccurve
350        - implemented opcodes pan_onccN, pan_smoothccN,
351          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
352          egN_pan_curveccX, pitch_veltrack
353        - when failed to parse a sfz file
354          print the line number on which the error occurs
355        - use common pool of CC objects to minimize RAM usage
356        - implemented opcodes amplfo_delay_onccN,
357          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
358          pitchlfo_delay_onccN, pitchlfo_fade_onccN
359        - implemented opcodes fileg_delay_onccN,
360          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
361          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
362          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
363          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
364          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
365        - implemented automatic aliasing *ccN <-> *_onccN
366        - *lfo_freqccN wasn't working when the respective *lfo_freq
367          was not set or was set to zero
368        - lfoN_freq_onccX wasn't working when lfoN_freq
369          was not set or was set to zero
370        - implemented opcodes resonance_onccN, resonance_smoothccN,
371          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
372        - implemented opcodes fillfo_depthchanaft,
373          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
374          pitchlfo_depthchanaft, pitchlfo_freqchanaft
375        - implemented opcodes pitch_onccN,
376          pitch_curveccN, pitch_smoothccN, pitch_stepccN
377        - implemented opcodes volume_stepccN, pan_stepccN,
378          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
379          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
380          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
381        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
382          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
383          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
384          eq1_gainccN, eq2_gainccN, eq3_gainccN
385        - implemented opcodes delay, delay_onccN, delay_random,
386          delay_samples, delay_samples_onccN
387        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
388          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
389          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
390          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
391          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
392          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
393          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
394          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
395          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
396          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
397          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
398          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
399          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
400          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
401          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
402        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
403          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
404        - sfz parser: allow double spaces in sample filenames
405        - sfz parser: allow absolute paths for sample filenames
406        - use linear decay and release for filter and pitch EG
407        - bugfix: only the first amp_veltrack definition in a file was
408          used
409        - bugfix: looping was disabled if loop_start was set to 0
410        - allow regions with end=-1 to turn off other regions using the
411          group and off_by opcodes (#168)
412        - made end=0 play the whole sample
413        - fixed support for lochan and hichan opcodes (#155)
414        - fixed crash when using lochan/hichan opcodes (#187)
415        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
416        - added FLAC support (#191)
417        - sfz parser bugfix: lines starting with whitespace were ignored
418        - added amplitude opcode
419        - added support for "#include" instruction
420          (modified patch which was originally posted by Sergey on LS mailing list)
421        - bugfix: generation of velocity curves etc should not be done
422          after each "#include", only after the main file is parsed
423        - bugfix: line numbers in error messages were wrong after "#include"
424        - added support for float and 32 bit sample files
425    
426      * SoundFont format engine:
427        - Initial implementation (not usable yet)
428        - RT-safeness: avoid malloc in audio thread
429        - fixed a bug that could cause voice stealing to fail
430        - fine-tuned amplitude EG (by switching from gig to sfz EG)
431        - initial implementation of Vibrato LFO and Modulation LFO
432        - initial implementation of cutoff filter
433        - use linear decay and release for filter and pitch EG
434    
435      * Host plugins (VST, AU, LV2, DSSI):
436        - AU bugfix: failed to destroy its audio/MIDI devices
437        - Listen to all interfaces on Mac OS X (INADDR_ANY)
438        - VST bugfix: If the host called resume() before and after
439          changing sample rate or block size, the number of channels was
440          incorrectly set to two. This caused silence in Cubase 5.
441        - save engine type (gig, sfz or sf2) in plugin state
442        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
443          64 bit Windows
444        - AU: changed number of output channels from one stereo to 16
445          stereo
446        - VST: made it possible to build the VST plugin for Mac
447        - AU: link AU plugin dynamically if --disable-shared isn't
448          specified
449        - LV2 "state" extension support (patch by David Robillard)
450        - VST bugfix: instrument loading hang and crashed the host when
451          the plugin was loaded a second time (#174)
452        - plugin bugfix: instrument loading hang when the plugin was
453          loaded a second time (this time it's for Linux and Mac, previous
454          similar fix was for Windows)
455        - thread safety fixes for the instrument loading thread
456        - LV2: use the new lv2 package if present
457        - VST: try to open Fantasia automatically on Linux and Mac too (on
458          Linux, the Fantasia jar should be placed in <prefix>/share/java)
459        - VST: fixed crashes on Linux Ardour and EnergyXT
460        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
461          port and audio channel routing for DSSI plugins are now visible.
462        - LV2: use urid and atom extensions instead of deprecated uri-map
463          and event
464        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
465        - LV2: changed number of output channels to 16 stereo, just like
466          the VST and AU plugins
467        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
468        - LV2: made LV2 plugin buildable on Windows and Mac
469        - VST: implemented retrieval and switching of programs using the
470          sampler's internal MIDI instrument mapping system
471    
472      * Instrument editor interface:
473        - Changed instrument editor plugin interface, providing additional
474          informations like the EngineChannel for which the instrument editor was
475          spawned for. This allows the instrument editors to interact more actively
476          with the sampler.
477    
478      * MIDI driver:
479        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
480          the ALSA sequencer client name
481        - removed limit of maximum amount of MIDI ports per MIDI device, since
482          there is no reason for this limit
483        - MME: fixed memory handling bug found with cppcheck
484        - MME: removed compiler warning
485        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
486          which allows to retrieve the list of CoreMIDI clients / ports and to connect
487          to them a la JACK, via the usual sampler APIs
488        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
489          the driver will automatically connect to other CoreMIDI clients' ports
490          (e.g. external MIDI devices being attached to the Mac)
491        - added support for MIDI note on velocity filter
492        - CoreMIDI: fixed memory deallocation error
493        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
494          virtual keyboards in frontends / instrument editors being stuck.
495        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
496        - Implemented missing handling of MIDI "running status".
497        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
498        - MME bugfix: driver wasn't closed properly
499        - CoreMIDI: automatically connect to all input sources by default (driver
500          parameter "AUTO_BIND").
501        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
502        - CoreMIDI: fixed minor memory leak
503    
504      * audio driver:
505        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
506        - JACK audio: react on sample rate changes.
507        - JACK audio: react on buffer size changes.
508        - JACK audio: jack_port_get_buffer() was cached and called outside
509          RT context.
510        - ASIO driver: removed compiler warnings
511        - CoreAudio: fixed minor error handling bug
512        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
513        - JACK audio: return the JACK server's current sample rate as default value
514          for audio device parameter "SAMPLERATE" (fixes #166).
515    
516      * LSCP server:
517        - added support for sending MIDI CC messages via LSCP command
518          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
519        - added LSCP command "GET AVAILABLE_EFFECTS"
520        - added LSCP command "LIST AVAILABLE_EFFECTS"
521        - added LSCP command "GET EFFECT INFO <effect-index>"
522        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
523        - added LSCP command
524          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
525        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
526        - added LSCP command "GET EFFECT_INSTANCES"
527        - added LSCP command "LIST EFFECT_INSTANCES"
528        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
529        - added LSCP command
530          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
531        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
532          <effect-instance> <input-control> <value>"
533        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
534        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
535        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
536        - added LSCP command
537          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
538        - added LSCP command
539          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
540        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
541          <effect-chain> <effect-instance>"
542        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
543          <effect-chain> <effect-chain-pos> <effect-instance>"
544        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
545          <effect-chain> <chain-pos>"
546        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
547          <fx_send_id> <effect_chain> <chain_pos>"
548        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
549        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
550          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
551          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
552        - provide comprehensive error messages on LSCP syntax errors
553          (suggesting expected next non-terminal symbols)
554    
555      * LSCP shell:
556        - Added support for auto correction of obvious and trivial syntax mistakes.
557        - Added support for auto completion by tab key.
558        - Show currently available auto completion while typing.
559        - Added support for browsing command history with up / down keys.
560        - Show all possible next symbols immediately right to the current command
561          line while typing (no double tab required for this feature, as it would
562          be the case in other shells).
563        - Added support for moving cursor left/right with arrow keys.
564        - Added support for built-in LSCP reference documentation, which will
565          automatically show the relevant LSCP reference section on screen as soon
566          as one specific LSCP command was detected while typing on the command
567          line.
568    
569      * Real-time instrument scripts:
570        - Implemented built-in script array variable %CC.
571        - Implemented built-in script int variable $CC_NUM.
572        - Implemented built-in script int variable $EVENT_NOTE.
573        - Implemented built-in script int variable $EVENT_VELOCITY.
574        - Implemented built-in script constant variable $VCC_MONO_AT.
575        - Implemented built-in script constant variable $VCC_PITCH_BEND.
576        - Implemented execution of script event handler "init".
577        - Implemented execution of script event handler "controller".
578        - Implemented execution of script event handler "note".
579        - Implemented execution of script event handler "release".
580        - Implemented built-in script function "play_note()" (only two of the
581          max. four function arguments are currently implemented yet though).
582        - Implemented built-in script int variable $EVENT_ID.
583        - Implemented built-in script function "ignore_event()"
584        - Implemented built-in script function "ignore_controller()" (may have one
585          or no argument).
586        - Implemented built-in script function "set_controller()".
587        - Added extended script VM for the Gigasampler/GigaStudio format sampler
588          engine, which extends the general instrument script VM with Giga format
589          specific variables and functions.
590        - Giga format scripts: added built-in script int constant variables
591          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
592          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
593          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
594          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
595          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
596          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
597          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
598          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
599          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
600          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
601        - Giga format scripts: Implemented built-in script function
602          "gig_set_dim_zone(event_id, dimension, zone)".
603        - Implemented built-in script int array variable $KEY_DOWN.
604        - Implemented built-in script function "abs()".
605        - Implemented built-in script function "random()".
606        - Implemented built-in script function "num_elements()".
607        - Implemented built-in script function "note_off()".
608        - Implemented built-in script function "set_event_mark()".
609        - Implemented built-in script function "delete_event_mark()".
610        - Implemented built-in script function "by_marks()".
611        - Added built-in script int const variables $MARK_1 to $MARK_28.
612        - Built-in script functions "ignore_event()", "note_off()" and
613          "gig_set_dim_zone()" now also accept an array of event IDs as argument
614          (i.e. return value of new script function "by_marks()").
615        - Pass/preserve polyphonic variable data from respective "note" event
616          handler to "release" event handler.
617    
618      * Bug fixes:
619        - Fixed crash which may occur when MIDI key + transpose is out of range
620        - minor valgrind fixes
621        - fixed crash which occurred when changing an already deployed sampler
622          channel to a different engine type
623        - fixed crash when deleting a sampler channel or changing engine
624          type while an instrument load was in progress
625        - bugfix: playing a note while changing the instrument could cause
626          a crash, or give "Handing back unknown region" error messages
627        - bugfix: calling SET VOICES (which Fantasia does on start and
628          refresh) could cause instruments to be unloaded
629        - Mac OS X: fixed name collision of enum in EffectControl and
630          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
631        - Mac OS X: fixed hanging threads
632        - Windows: disabled the previous thread fix on non-Mac systems, as
633          it caused hanging threads on Windows
634        - Fixed possible crashes due to corrupted MIDI/audio device list
635          after MIDI/audio device creation failure
636        - When creating MIDI instrument map entries with "PERSISTENT" type, the
637          instruments were uselessly precached with zero samples, however it still
638          took the full preloading time and on 1st program change the respective
639          instrument was completely reloaded again.
640        - fixed handling of rapid bank select and program change messages
641          sent to the same sampler channel (patch from the Open Octave
642          project, slightly adjusted)
643        - fixed crash when trying to create an effect instance with controls
644          which min and/or max values depend on the sample rate
645        - fixed bug #162
646        - bugfix: LADSPA_PATH was not evaluated correctly when containing
647          multiple paths (#165)
648        - thread safety fixes for the instrument loading thread
649        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
650          (#176)
651        - more thread safety fixes for the instrument loading thread
652        - sfz/sf2 engine: fixed crash when using small audio fragment size
653        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
654        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
655          introduced in previous fix)
656        - fixed crash when a channel received a program change while
657          playing a note in a key group
658        - fixed erroneous error message piping in VoiceBase.h
659          (labelled "Disk stream not available in time")
660        - Update effects on sample rate & period size changes (to avoid
661          crashes and noise on such transitions).
662        - ignore missing LADSPA paths without ignoring valid LADSPA paths
663          (fixes #208)
664        - Fixed bug in LSCP grammar definition which caused a statement like
665          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
666          practically irrelevant, however it caused problems with the new LSCP
667          shell's auto completion feature).
668        - Fixed MIDI program change messages being ignored if quickly executed
669          after each other (fixes #231).
670    
671    Version 1.0.0 (31 July 2009)
672    
673      * packaging changes:
674        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
675          causing e.g. the libgig test to fail when
676          "./configure --disable-jack-driver" was used
677          (patch by Alexis Ballier)
678        - fixed compilation with gcc 4.3
679        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
680        - fixed configure so it detects x86_64 (#107)
681        - fixes for building with newer MinGW versions
682        - fix for building with bison 2.4 (#111)
683        - fixed building with libgig installed in a non-standard directory
684        - minor fix in configure for mmsystem.h detection on MinGW
685        - Windows: look for editor plugins and Fantasia using base
686          directory of liblinuxsampler dll (look in the same directory and one
687          directory above)
688        - configure script fix: removed unconditional use of SSE
689        - fixed building with sqlite installed in a non-standard directory
690        - when cross-compiling, don't try to create instruments.db
691        - fix for new mingw-w64 version, which has usleep
692    
693      * general changes:
694        - bugfix: on some POSIX systems instrument editor plugins refused to
695          load as we used a non-portable Linux specific struct field
696          (fixes bug #70, patch by Ronald Baljeu)
697        - fixed endless loop which occured when loading an instrument editor
698          plugin DLL on Windows systems failed
699        - fixed memory leaks that occurred when liblinuxsampler was unloaded
700        - optimized the SynchronizedConfig class so it doesn't wait
701          unnecessarily long after an update
702        - added support for notifying instrument editors on note-on / note-off
703          events (e.g. to highlight the pressed keys on the virtual keyboard
704          of gigedit)
705        - added support for triggering notes by instrument editors (see above)
706        - be verbose on DLL load errors (on Linux)
707        - fixed di-harmonic triangle LFO implementation (this LFO implementation
708          is only used by very few systems, most pick the int math
709          implementation, which is usually faster)
710        - fixes for audio drivers with varying buffer sizes
711        - experimental support for running LinuxSampler as a DSSI, LV2 and
712          VST plugin
713        - notification events for stream/voice count statistics are now sent
714          only when there are actual changes
715        - added memory ordering constraints to improve stability on
716          multi-core and multi-cpu systems
717        - maximum voices and disk streams can now be altered at runtime
718        - fixed CPU feature detection on x86_64 (maybe fixes #108)
719        - automatic stacktrace mechanism is now turned off by default and can
720          be switched on by command line option "--stacktrace" (the automatic
721          stacktrace mechanism seems to be broken on most systems at the moment)
722        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
723          a pointer to the launched InstrumentEditor object
724        - added optional 3rd party user data parameter for following
725          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
726          InstrumentEditor::Launch(),
727          InstrumentManager::LaunchInstrumentEditor()
728        - theoretical fix: made SynchronizedConfig follow C++0x memory
729          model more strictly
730        - fixes for using large audio device buffers
731        - Windows: add the installation directory to the DLL search path
732          when loading an editor plugin (solves problems with VST and
733          gigedit on systems with other GTK versions installed)
734        - updated linuxsampler man page
735    
736      * audio driver:
737        - removed the nonsense audio channel constraint (which was hard coded to
738          max. 100 audio channels) for most audio drivers
739        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
740          opposed to the LSCP specs
741        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
742          reflected the wrong value
743        - fixed a memory management bug in ASIO driver
744        - Makefile fix: JACK_CFLAGS wasn't used
745        - JACK: use jack_client_open instead of the deprecated
746          jack_client_new
747        - added (experimental) CoreAudio driver
748        - applied old fixes to the ASIO driver that were included in the
749          previous binary release but accidentally never committed to CVS
750          (fixes #117)
751        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
752          win64)
753        - VST: added support for sample rate and buffer size changes
754        - VST: close editor (Fantasia) when the VST is removed
755        - VST: avoid opening Fantasia more than once for each VST instance
756        - VST: export main function as "main" on Linux too (fix for
757          energyXT)
758        - VST: changed number of output channels from one stereo to 16
759          stereo
760        - added channel routing, fxsends and midi maps to the settings
761          stored in the plugin state
762        - performance optimization of AudioChannel::MixTo() and
763          AudioChannel::CopyTo() methods using GCC vector exensions
764          (if available)
765        - ASIO fixes: avoid initializing the device twice, avoid throwing
766          exception when getting parameters from a disconnected device
767    
768      * MIDI driver:
769        - added JACK MIDI driver
770        - dispatch bank select as ordinary CC as well, the user might seriously
771          want to (mis)use it for some purpose ("fixed" in all current MIDI
772          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
773        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
774          CoreMidi or AU
775        - fixed mingw-w64 compilation error in MME driver
776        - made program change handling in MIDI thread real-time safe by
777          moving the logic to a non-RT thread
778        - fixed minor memory leak in ALSA driver
779    
780      * instruments database:
781        - avoid time consuming samples scanning when adding instruments
782          to the instruments database
783        - added support for handling lost files in the instruments database
784        - Implemented option for adding instruments in separate directories
785          in the instruments database
786          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
787        - work-around for missing fnmatch function on Windows to make
788          instrument database compilable
789        - added instrument database support on Windows
790          works with both standalone mode and VST plugin.
791          the instruments DB file is located in
792          %USERPROFILE%\.linuxsampler\instruments.db which allows different
793          databases for each windows user
794          if no DB is present it automatically creates the .linuxsampler subdir
795          and then creates an empty DB
796        - fixed recursive import, which was broken on Windows
797    
798      * Gigasampler format engine:
799        - fixed a memory leak that could happen when a channel was deleted
800          while notes were playing
801        - made it possible to load an instrument even if the audio thread
802          isn't running
803        - added partial support for the "Controller Triggered" MIDI rule,
804          enough for piano gigs with pedal noise samples
805        - minor fix: only mark FX sends as being modified if really the
806          respective FX send MIDI controller was used
807        - added support for GM global device volume SysEx message
808          (can be selected at compile time to either apply globally to the
809          whole sampler [default] or only to the sampler channels that are
810          connected to the respective MIDI input port the SysEx message arrived
811          on)
812        - bugfix: notes triggered at position 0 in the audio buffer were
813          sometimes wrongly killed in the same buffer, causing no sound to
814          be played
815        - added support for chromatic / drumkit mode Roland GS Sysex message
816          which is usally used to switch a part between chromatic sounds and
817          drumkit sounds (as opposed to their common default setting of MIDI
818          part 10 being a drumkit part and all other ones chromatic parts), in
819          LS however one can switch between the first 16 MIDI instrument maps
820          defined for the sampler
821        - made it possible to create multiple sample channels even if the
822          audio thread isn't running
823        - fixed crash when removing channel with active voices (#116)
824        - bugfix: on sample reference changes (instrument editor), only
825          un-cache the respective sample if it's really not used by any
826          sampler engine anymore
827        - re-cache samples in case they were changed by an instrument editor,
828          e.g. when a sample was added while playing (#82)
829        - fixed hanging notes which occured when note-off event had the exact
830          same time stamp as the voice's note-on event and occured both in the
831          same audio fragment cycle (fixes bug #112)
832        - added support for the "fine tune" and "pitch bend range"
833          instrument-level gig parameters
834        - fixed minor artifacts in pitch bend handling
835        - added support for GS Reset SysEx message
836        - allow gig files to use unlimited downward pitch shifting
837        - added a limit check for upward pitch shifting
838        - bugfix: sometimes, when playing a note twice fast, the second
839          note was silent
840        - fixed crash happening when a pitch bend event arrived at the
841          same time a new instrument was loading
842    
843      * LSCP server:
844        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
845          react on MIDI data arriving on certain sampler channels (so far only
846          Note-On and Note-Off events are sent via this LSCP event)
847        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
848          react on MIDI data arriving on certain MIDI input devices (so far only
849          Note-On and Note-Off events are sent via this LSCP event)
850        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
851          SET DB_INSTRUMENT FILE_PATH
852        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
853          frontends to send MIDI messages to specific sampler channel
854        - added two additional fields to GET FILE INSTRUMENT INFO command -
855          KEY_BINDINGS and KEYSWITCH_BINDINGS
856        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
857          was incorrect
858        - Optimized the retrieval of the MIDI instrument mappings
859        - added new LSCP command "SET VOICES" to globally alter the maximum
860          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
861          be triggered respectively
862        - added new LSCP command "SET STREAMS" to globally alter the maximum
863          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
864          which will be triggered respectively
865        - bugfix: retry if "select" returns EINTR (this fixes a crash when
866          a gigedit file dialog is opened)
867        - close all connections when LSCPServer is deleted
868        - hard close of all sockets on exit
869        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
870          driver
871    
872      * Bug fixes:
873        - fixed a crash which occurs when removing a sampler channel waiting
874          to start instrument loading after another channel
875        - fixed a crash which occurs when removing a sampler channel with
876          instrument loading in progress (bug #113)
877        - fixed termination caused by uncaught exception when adding MIDI
878          instrument with PERSISTENT load mode
879        - fixed possible iterator invalidations when resetting the sampler
880        - fixed memory leaks when issuing the following LSCP commands:
881          GET AUDIO_OUTPUT_DRIVER INFO
882          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
883          GET MIDI_INPUT_DRIVER INFO
884          GET MIDI_INPUT_DRIVER_PARAMETER INFO
885        - fixed possible compilation error when sqlite is not present
886        - fixed orphaned pointers when setting maximum voices limit (bug #118)
887        - fixed crash when changing the audio output device of a sampler
888          channel with loaded instrument and start playing notes
889        - fixed endless loop in Engine::SuspendAll() (bug #120)
890        - fixed a low-level atomic load function that was broken on 64-bit
891          PowerPC, which probably could cause crashes on that platform
892        - fixed a memory management error which could cause a crash when a
893          plugin was unloaded
894        - bugfix: two private structs had the same name, which could cause
895          problems if the linker chose the wrong constructor
896        - fixed low-level ConditionServer usage bug that caused lockups on
897          Windows
898    
899    
900    Version 0.5.1 (6 December 2007)
901    
902      * packaging changes:
903        - added autoconf checks for pthread library
904        - added autoconf check for pthread bug found on certain NPTL-enabled
905          glibc versions (see Gentoo bug report #194076)
906        - added autoconf checks for MS Windows
907    
908      * general changes:
909        - bugfix: the thread used by an editor plugin didn't die when the
910          editor closed
911        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
912          out all the space. operator--() did not apply size_mask after
913          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
914          order to avoid problems with the _NonVolatileReader functions.
915        - bugfix: Stream.h: added a missing divide by BytesPerSample in
916          GetWriteSpace(). Since this function is currently only used in
917          the stream's qsort() compare function, it didn't trigger any
918          bugs.
919        - Resampler.h, Synthesizer.h: cubic interpolation now works in
920          24bit mode too. Faster method to read 24bit words on little
921          endian machines (x86): replaced 3 byte reads + shifts with a 1
922          unaligned 32bit read and shift
923        - experimental support for MS Windows (MIDI input via MME, AUDIO
924          output via ASIO)
925        - made handling of SIGINT signal (Ctrl-C) a bit more robust
926        - support for monitoring the total number of active disk streams
927          (new LSCP commands: GET TOTAL_STREAM_COUNT,
928          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
929    
930      * AUDIO driver:
931        - added Windows ASIO low latency audio driver
932    
933      * MIDI driver:
934        - added MME Windows MIDI driver
935    
936      * LSCP server:
937        - added support for Windows style path / filenames, however with
938          forward slash path separators instead of backslash
939          (i.e. "C:/foo/bar.gig")
940        - allow naughty liblscp to send non-string device parameters within
941          apostrophes as well
942        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
943          "LIST FILE INSTRUMENTS <file>" and
944          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
945          about an arbitrary instrument file on the system where the sampler is
946          running on
947    
948    Version 0.5.0 (15 October 2007)
949    
950      * packaging changes:
951        - config.h is not going to be installed along with liblinuxsampler's
952          API header files anymore
953        - only the API relevant header (and source) files will be exported to
954          the Doxygen API documentation (explicitly listed in Doxyfile.in)
955        - added completely new XCode project files for Mac OSX which is now
956          capable to execute our autoconf environment, thus no need anymore
957          to maintain the compile time configuration file (osx/version.h) for
958          OSX manually (patch by Toshi Nagata)
959        - fixed buggy boolean --enable-foo / --disable-foo configure script
960          parameters
961        - global.h now only covers global definitions that are needed for the
962          C++ API header files, all implementation internal global definitions
963          are now in global_private.h
964        - atomic.h is not exposed to the C++ API anymore
965        - no need to include config.h anymore for using LS's API header files
966        - fixed warnings in API doc generation
967    
968    * general changes:    * general changes:
969      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
# Line 17  Version CVS HEAD (?) Line 982  Version CVS HEAD (?)
982        MIDI instrument maps and assign each sampler channel individually        MIDI instrument maps and assign each sampler channel individually
983        a certain map, so that i.e. separation of normal instruments and        a certain map, so that i.e. separation of normal instruments and
984        drumkits is possible        drumkits is possible
985      - new notification events for tracking audio/MIDI device changes,      - new notification events for tracking changes to audio/MIDI devices,
986        MIDI instrument map changes and MIDI instrument changes        MIDI instrument maps, MIDI instruments, FX sends, global volume.
987      - sampler was limited to load max. 200 instruments in the background      - sampler was limited to load max. 200 instruments in the background
988        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
989        dynamic (unlimited) size std::list FIFO        dynamic (unlimited) size std::list FIFO
# Line 27  Version CVS HEAD (?) Line 992  Version CVS HEAD (?)
992        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
993        controllers        controllers
994      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
995        - Implemented new, improved notification system
996        - fixed compilation errors regarding OSX
997          (patch by Toshi Nagata)
998        - implemented instruments database
999        - added support for escape sequences to the instruments database
1000        - added highly experimental support for on-the-fly instrument editing
1001          within the sampler's process (by using instrument editor plugins),
1002          you'll notice the new "Registered instrument editors:" message on
1003          startup, added a new LSCP command:
1004          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
1005          to spawn a matching instrument editor for the instrument on the
1006          given sampler channel, the plugin path can be overridden at compile
1007          time with ./configure --enable-plugin-dir=/some/dir
1008        - added experimental code for synchronizing instrument editors hosted
1009          in the sampler's process to safely edit instruments while playing
1010          without a crash (hopefully) by either suspending single regions
1011          wherever possible or if unavoidable whole engine(s)
1012        - fixed several issues in fundamental "Thread" class: set scheduling
1013          policy and priority on thread level, set a minimum stack size for
1014          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
1015          threads simply inherited properties of starting thread instead of
1016          setting their own policy and priority
1017        - minor fix in our automatic stack trace mechanism on crashes, the
1018          main process did not wait for the stack trace process to finish
1019          its output
1020        - fixed some minor memory leaks
1021        - reenabled assembly features support, at the moment only for
1022          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
1023        - minor assembly fix in x86 features detection (don't use the PIC
1024          register, to avoid relocations in the text segment at runtime)
1025        - POSIX callback functions of Thread.h are hidden
1026    
1027    * MIDI driver:    * MIDI driver:
1028      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
1029    
1030      * audio driver:
1031        - the ALSA audio output driver parameters now reflect the correct
1032          parameter value ranges for the respective selected sound card
1033          (patch by Till Wimmer, a bit fixed and extended)
1034    
1035    * Gigasampler format engine:    * Gigasampler format engine:
1036      - if a filter is used and EG2 finishes before EG1, let the voice      - if a filter is used and EG2 finishes before EG1, let the voice
1037        die when EG2 has finished (this fixes a problem with clicks and        die when EG2 has finished (this fixes a problem with clicks and
# Line 41  Version CVS HEAD (?) Line 1042  Version CVS HEAD (?)
1042        command        command
1043      - EG fix: a release value of zero could cause noises or crash      - EG fix: a release value of zero could cause noises or crash
1044      - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)      - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
1045        - EG fine tuning: when attack is zero the EG starts at a level
1046          above max sustain level, which means that there is a decay phase
1047          even if sustain is 100%
1048        - more EG fixes: the level could sometimes go below zero and cause
1049          noises or crashes
1050        - minor fix of EGDecay (patch by Toshi Nagata)
1051        - fixed compiler error when --enable-override-filter-type was
1052          supplied to the configure script (fixes #46)
1053        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1054          instead of a fix value
1055        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1056          127 (solo mode) only kill voices if the respective mode really
1057          changed
1058    
1059      * LSCP server:
1060        - fixed compile time error for old Bison versions
1061          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1062        - parser now supports extended ASCII character set
1063          (up to ASCII code 255, i.e. includes now umlauts and accents)
1064        - filename arguments in LSCP commands now allow to use escape
1065          sequences, that is directly literal as one of: \', \", \\, \n, \r,
1066          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1067          code value like \xf2) (fixes bug #24)
1068        - the following LSCP commands now also support escape sequences for at
1069          least one of their text-based parameters (i.e. name, description):
1070          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1071          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1072          "SET DB_INSTRUMENT_DIRECTORY NAME",
1073          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1074          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1075          "FIND DB_INSTRUMENT_DIRECTORIES"
1076        - returns verbose syntax errors (line and column where syntax error
1077          occured, the unexpected character and the actually expected, possible
1078          character(s), the latter only if less than 5 possibilities)
1079        - made sure that LSCP syntax is not affected by gigedit locale
1080          settings
1081        - bugfix regarding strings parameter lists: all comma separated lists
1082          of strings were treated as being one string containing commas
1083          (fixes #57)
1084    
1085    * Bug fixes:    * Bug fixes:
1086      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
1087      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
1088        channel audio output device"        channel audio output device"
1089        - fixed a crash which occurs when reassigning the same engine
1090          on a sampler channel with connected MIDI device
1091        - fixed a crash which occurs when changing the number of ports of a MIDI
1092          device connected to a sampler channel to number less then or equal
1093          to the index of the port to which the sampler channel is connected.
1094        - The previous bindings were not been disconnected when altering
1095          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1096          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1097        - The active stream/voice count statistic was incorrect.
1098        - notification events were not been sent for some sampler
1099          channel changes
1100        - added default min and max values to restrict the number of allowed
1101          audio output channels and MIDI input ports
1102        - the connection to the PCM interface is now closed when destroying
1103          an audio output device
1104        - files with slash in their path or filename could not be loaded
1105    
1106      * test cases:
1107        - updated and fixed (haven't been touched in a while)
1108    
1109  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
1110    

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