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revision 1525 by schoenebeck, Sun Nov 25 17:47:46 2007 UTC revision 3092 by schoenebeck, Mon Jan 16 22:02:36 2017 UTC
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1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * SFZ format engine:
4        - added support for <global>, <master> and #define (patch by Alby M)
5        - Removed code duplication in SFZ file loading code.
6        - Added support for sfz extension opcode 'script' which may be used to
7          load real-time instrument script file (NKSP script language).
8    
9      * Gigasampler format engine:
10        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
11          cutoff settings.
12    
13      * general changes:
14        - fixed printf type errors (mostly in debug messages)
15        - use unique_ptr instead of auto_ptr when building with C++11
16        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
17          allowing to sort data efficiently in real-time safe manner.
18        - RTList class: added methods for moving/inserting elements to arbitrary
19          position within a list.
20        - RTList class: added method fromPtr() for creating an Iterator object from
21          a raw element pointer.
22        - Attempt to partly fix resetting engine channels vs. resetting engine, an
23          overall cleanup of the Reset*(), ConnectAudioDevice(),
24          DisconnectAudioDevice() API methods would still be desirable though,
25          because the current situation is still inconsistent and error prone.
26        - Active voices are now internally grouped to "Note" objects, instead of
27          being directly assigned to a keyboard key. This allows more fine graded
28          processing of voices, which is i.e. required for certain instrument
29          script features.
30        - Fix: Release trigger voices were not spawned on sustain pedal up
31          (CC #64) events.
32        - Fix: Release trigger voices can now also distinguish correctly between
33          note-off and sustain pedal up events.
34        - All engines: Increased ramp speed of volume smoother and pan smoother
35          (while slow rate of crossfade smoother is preserved) to allow quick
36          volume and pan changes by instrument scripts for instance.
37        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
38          properly and thus were ignored for certain uses.
39        - Added new C++ API method
40          VirtualMidiDevice::SendChannelPressureToSampler().
41        - windows, 32-bit: fixed potential crashes by making sure the stack in
42          sub threads is 16-byte aligned
43        - fixed numerous compiler warnings
44    
45      * packaging changes:
46        - removed unnecessary dependency to libuuid
47          (originated by libgig's usage of it)
48        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
49          auto detect whether it (sh/c)ould output its messages in color.
50    
51      * Real-time instrument scripts:
52        - Implemented scheduler for delayed MIDI events and for suspended scripts.
53        - Built-in script function "wait()": implemented support for function's
54          "duration-us" argument, thus scripts using this function are now
55          correctly resumed after the requested amount of microseconds.
56        - Built-in script function "play_note()": implemented support for
57          function's "duration-us" argument, thus notes triggered with this
58          argument are now correctly released after the requested amount of
59          microseconds.
60        - Fix: script events were not cleared when engine channel was reset,
61          potentially causing undefined behavior.
62        - Fixed crash which happened when trying to reference an undeclared
63          variable.
64        - Built-in script function "play_note()": Added support for passing
65          special value -1 for "duration-us" argument, which will cause the
66          triggered note to be released once the original note was released.
67        - Instrument script classes now exported with the liblinuxsampler C++ API.
68        - Added new API method ScriptVM::syntaxHighlighting() which provides
69          a convenient syntax highlighting backend for external instrument
70          script editor applications.
71        - Added new C++ API class "ScriptVMFactory".
72        - Extended parser issues to provide not only first line and first
73          column, but also last line and last column of issue (thus marking
74          the precise span of the issue within the source code).
75        - Reload script automatically after being modified by an instrument
76          editor.
77        - NKSP language grammar correction: allow empty event handler bodies
78          like "on note end on".
79        - Implemented built-in script function "change_vol()".
80        - Implemented built-in script function "change_tune()".
81        - Implemented built-in script function "change_pan()".
82        - Implemented built-in script function "change_cutoff()".
83        - Implemented built-in script function "change_reso()".
84        - Implemented built-in script function "event_status()".
85        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
86          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
87          "event_status()" function.
88        - NKSP language: Added support for bitwise operators ".or.", ".and."
89          and ".not.".
90        - NKSP language scanner: Fixed IDs matching to require at least one
91          character (i.e. when matching function names or variable names).
92        - NKSP language scanner: disabled unusued rules.
93        - Fixed behavior of play_note() and note_off() functions which must
94          be distinguished engine internally from "real" MIDI note on/off
95          events in order to avoid misbehaviors like hanging notes.
96        - Implemented built-in script variable "$KSP_TIMER".
97        - Implemented built-in script variable "$NKSP_REAL_TIMER".
98        - Implemented built-in script variable "$NKSP_PERF_TIMER".
99        - Implemented built-in script variable "$ENGINE_UPTIME".
100        - Implemented built-in script function "inc()".
101        - Implemented built-in script function "dec()".
102        - NKSP language fix: division expressions were evaluated too often.
103        - NKSP language fix: string concatenation operator was right
104          associative instead of left (to right).
105        - NKSP language correction: allow empty statements in entire language
106          (i.e. "if end if").
107        - Implemented built-in script function "stop_wait()".
108        - Implemented built-in script variable "$NI_CALLBACK_ID".
109        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
110        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
111        - Added support for read-only built-in variables (respectively
112          handled by the script parser).
113        - Added built-in script constant "$NI_CB_TYPE_INIT".
114        - Added built-in script constant "$NI_CB_TYPE_NOTE".
115        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
116        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
117        - NKSP Language: Added support for user defined script functions.
118        - Implemented built-in script function "change_attack()".
119        - Implemented built-in script function "change_decay()".
120        - Implemented built-in script function "change_release()".
121        - Fixed all change_*() built-in script functions to apply their
122          synthesis parameter changes immediately in case the respective note
123          was triggered at the same time, instead of scheduling the parameter
124          change, especially because it would cause some parameter types's
125          changes either to be ramped (i.e. change_vol()) or other types even
126          to have not effect at all (i.e. change_attack()).
127        - Implemented built-in script function "sh_left()".
128        - Implemented built-in script function "sh_right()".
129        - Implemented built-in script function "min()".
130        - Implemented built-in script function "max()".
131        - NKSP Fix: "init" event handler was not always executed when a script
132          was loaded.
133        - NKSP built-in wait() script function: abort script execution if
134          a negative or zero wait time was passed as argument (since this is
135          a common indication of a bug either of the script or even of the
136          engine, which could lead to RT instability or even worse).
137        - ScriptVM: Implemented automatic suspension of RT safety
138          threatening scripts.
139        - Provide more user friendly error messages on syntax errors.
140        - Fixed NKSP parser warning "Not a statement" when assigning an
141          initializer list to an array variable.
142        - Implemented built-in script array variable "%ALL_EVENTS".
143        - Implemented built-in script function "in_range()".
144    
145      * Instruments DB:
146        - Fixed memory access bug of general DB access code which lead to
147          undefined behavior.
148        - Cleanup of instruments DB file creation and opening code.
149        - The instrument DB path of linuxsampler's --create-instruments-db argument
150          is now optional, if it is missing, then a default location is used.
151        - Added support for scanning SFZ (.sfz) files.
152        - Added support for scanning Sound Font (.sf2) files.
153    
154    Version 2.0.0 (15 July 2015)
155    
156      * packaging changes:
157        - fixed building with newer MinGW-w64
158        - Mac OS X: support the new dir for Core Audio SDK
159        - Mac OS X: fixed building outside source directory
160        - made sure all source files for hostplugins are included when
161          doing "make dist"
162        - removed empty directories left from the cvs to svn migration
163        - fixed compilation with gcc 4.6.1
164        - another "make dist" fix, for the LV2 plugin
165        - made --enable-pthread-testcancel default on Mac OS X
166        - minor Makefile fix for building lscpparser when build and source
167          directories are separate
168        - Mac OS X: made it possible to specify plugin installation dir to
169          configure
170        - Mac OS X: Makefile fix for the install-strip target
171        - fixed compilation with gcc 4.7
172        - fixed configure script error with old autoconf versions
173        - lsatomic.h: use gcc provided atomic functions if building with
174          gcc 4.7 and C++11
175        - modernized configure script
176        - fixed linkage error when building with
177          LDFLAGS="-Wl,--no-undefined" (#190)
178        - fixed compilation with Clang 3.2
179        - removed usage of deprecated Automake variable INCLUDES
180        - fixed building with C++11
181        - build fix: ChangeFlagRelaxed.h was missing in makefile
182        - build fix: libsndfile compiler flags were missing in some
183          makefiles
184        - fix for building with bison 3.0 (#202)
185        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
186          on the process's main thread
187        - fixed build error on newer MinGW
188        - support building with older jack versions
189        - support building with spaces in vst sdk path
190        - enabled automake 'subdir-objects' option and moved external
191          source references (vst, au, asio) from makefiles to cpp files,
192          in order to get rid of warnings from automake 1.14
193    
194      * general changes:
195        - Refactoring: moved the independent code from
196          the Gigasampler format engine to base classes
197        - command line option '--profile' is currently disabled, since the
198          respective profiling code is currently broken
199        - Introduced support for optional environment variable
200          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
201          where the sampler shall look for instrument editor plugins
202          (patch by Luis Garrido, slightly modified).
203        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
204        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
205        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
206          note (in this implementation of the sampler its simply hard routed to
207          the 1st effect send of the sampler channel, no matter what the actual
208          effect type is)
209        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
210          note (in this implementation of the sampler its simply hard routed to
211          the 2nd effect send of the sampler channel, no matter what the actual
212          effect type is)
213        - implemented support for internal LADSPA effects
214        - raised limit of program change queue from 100 to 512
215          (as suggested by Alex Stone)
216        - implemented sine LFO, pulse LFO and saw LFO
217        - experimental support for per voice equalization
218        - added command line option --exec-after-init
219        - Introduced new C++ API method:
220          EngineChannel::InstrumentFileName(int index)
221          allowing to retrieve the whole list of files used for the loaded
222          instrument on an engine channel (a.k.a. part). Some GigaStudio
223          instruments for example are splitted over several files like
224          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
225        - Added new C++ API method Sampler::GetGlobalMaxVoices().
226        - Added new C++ API method Sampler::GetGlobalMaxStreams().
227        - Added new C++ API method Sampler::SetGlobalMaxVoices().
228        - Added new C++ API method Sampler::SetGlobalMaxStreams().
229        - Various "const" and "restrict" optimizations.
230        - all engines: add pan CC value to instrument pan parameter before
231          applying panning, instead of using two separate pan functions in
232          series (#182)
233        - added a lock guard class for exception safe mutex handling and
234          used it everywhere appropriate
235        - Immediately apply scale tuning changes to active voices.
236        - Exposed scale tuning to C++ API (along to the already existing standard
237          SysEx way).
238        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
239          and broken for ppc64. (Seq_cst loads and stores are actually not
240          used in LS, so the bug wasn't noticable.)
241        - lsatomic.h: added ARMv7 support
242        - Added support for multiple MIDI input ports per sampler channel (and
243          added various new C++ methods for this new feature / design change, old
244          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
245          as deprecated but are still there and should provide full behavior
246          backward compatibility).
247        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
248          unsafe and caused compilation error with clang 2.x).
249        - Bugfix: only process the latest MIDI program change event.
250        - Introducing the LSCP shell, which provides convenient control of the
251          sampler from the command line by providing LSCP aware features.
252        - VirtualMidiDevice: Added support for program change.
253        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
254        - VirtualMidiDevice: Added support for pitch bend.
255        - Aftertouch: extended API to explicitly handle channel pressure and
256          polyphonic key pressure events (so far polyphonic pressure was not
257          supported at all, and channel pressure was rerouted as CC128 but not
258          used so far).
259        - Added initial support for real-time instrument scripts. The script VM
260          code is shared by all sampler engine implemementations, however only the
261          gig file format currently provides support for storing instrument scripts
262          (as LinuxSampler extension to the original GigaStudio 4 format).
263    
264      * Gigasampler format engine:
265        - implemented the "round robin keyboard" dimension
266        - fixed round robin and random dimensions for cases when number of
267          dimension zones is not a power of two
268        - made round robin use a counter for each region instead of each
269          key
270        - bugfix: pitch LFO controller "internal+aftertouch" was broken
271        - bugfix: filter keyboard tracking was broken
272        - filter performance fix (an unnecessary copy was made of the
273          filter parameters in each sub fragment)
274        - handle special case when pan parameter in gig file has max or
275          min value
276        - Exclusive Groups: don't ever stop voices of the same note,
277          doesn't sound naturally with a drumkit
278        - fixed EG1 modulation when attack or release is zero
279        - Fixed support for 'aftertouch' attenuation controller.
280        - Fixed crash that happened with velocity split sounds under certain
281          conditions (see also previous commit on libgig).
282        - fixed behaviour of filter LFO
283    
284      * SFZ format engine:
285        - Initial implementation (not usable yet)
286        - added support for v2 multiple stage envelope generators
287        - added a fine-tuned v1 envelope generator instead of using the
288          one from the gig engine
289        - fixed memory leak and memory handling errors
290        - added support for trigger=first, trigger=legato and sw_previous
291        - allow non-numerical key values ("C#4" for example)
292        - "key" opcode now sets pitch_keycenter too
293        - fixed error when unloading instrument with same sample used by
294          multiple regions
295        - added some opcode aliases, like loopmode for loop_mode, to be
296          more compatible
297        - added support for trigger=release and rt_decay
298        - added support for off_mode=normal
299        - added support for random, seq_position, seq_length and volume
300        - added v1 LFO opcodes to parser (no support in engine yet)
301        - added support for amp_veltrack and amp_velcurve_N
302        - fine-tuned the default velocity curve
303        - added support for transpose
304        - fixed crash when using sw_down/up
305        - improved logic for sw_lokey/hikey/up/down/last
306        - added more v1 aliases to parser
307        - reduced memory usage for sfz data
308        - RT-safeness: avoid malloc in audio thread
309        - fixed a bug that could cause voice stealing to fail
310        - optimized sample lookup
311        - improved support for exclusive groups (group, off_by and
312          off_mode)
313        - added support for controller triggered regions (on_locc/on_hicc)
314        - added support for loop_mode=one_shot
315        - fixed playback of 16 bit wav files on big endian CPUs
316        - added support for Ogg Vorbis sample files
317        - use loop markers from sample file if loop_start and loop_end are
318          not set in sfz file
319        - implemeted filters. Filter types: lowpass, bandpass, bandreject
320          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
321          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
322          cutoff_cc, cutoff_chanaft.
323        - bugfix: zero ampeg_sustain didn't work
324        - added support for velocity effect on amplifier envelope time
325          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
326          ampeg_vel2release)
327        - added support for EG hold (ampeg_hold)
328        - added support for sample offset (offset)
329        - use the newly introduced signal units model
330        - implemented opcodes lfoN_delay,
331          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
332        - implemented opcodes ampeg_delay, ampeg_vel2delay
333          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
334          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
335          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
336          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
337        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
338          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
339          amplfo_delay, amplfo_freq, amplfo_depth
340        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
341          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
342          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
343          fileg_vel2release
344        - implemented opcode lfoN_wave
345        - implemented opcode pitchlfo_depthccN
346        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
347          lfoN_pitch, lfoN_pitch_onccX
348        - implemented opcodes pitchlfo_fade,
349          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
350        - implemented opcodes fillfo_freqccN,
351          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
352        - implemented opcodes ampeg_delayccN, ampeg_startccN,
353          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
354          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
355        - lfoN_* and egN_* opcodes defined in group sections
356          are now taken into account
357        - implemented curves
358        - implemented opcodes volume_onccN, volume_curveccN
359        - implemented opcode volume_smoothccN
360        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
361          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
362          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
363          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
364          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
365        - implemented opcode end
366        - implemented opcodes egN_amplitude_onccX,
367          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
368          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
369        - implemented opcodes xfin_lokey, xfin_hikey,
370          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
371          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
372          xfout_loccN, xfout_hiccN, xf_cccurve
373        - implemented opcodes pan_onccN, pan_smoothccN,
374          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
375          egN_pan_curveccX, pitch_veltrack
376        - when failed to parse a sfz file
377          print the line number on which the error occurs
378        - use common pool of CC objects to minimize RAM usage
379        - implemented opcodes amplfo_delay_onccN,
380          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
381          pitchlfo_delay_onccN, pitchlfo_fade_onccN
382        - implemented opcodes fileg_delay_onccN,
383          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
384          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
385          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
386          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
387          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
388        - implemented automatic aliasing *ccN <-> *_onccN
389        - *lfo_freqccN wasn't working when the respective *lfo_freq
390          was not set or was set to zero
391        - lfoN_freq_onccX wasn't working when lfoN_freq
392          was not set or was set to zero
393        - implemented opcodes resonance_onccN, resonance_smoothccN,
394          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
395        - implemented opcodes fillfo_depthchanaft,
396          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
397          pitchlfo_depthchanaft, pitchlfo_freqchanaft
398        - implemented opcodes pitch_onccN,
399          pitch_curveccN, pitch_smoothccN, pitch_stepccN
400        - implemented opcodes volume_stepccN, pan_stepccN,
401          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
402          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
403          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
404        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
405          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
406          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
407          eq1_gainccN, eq2_gainccN, eq3_gainccN
408        - implemented opcodes delay, delay_onccN, delay_random,
409          delay_samples, delay_samples_onccN
410        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
411          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
412          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
413          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
414          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
415          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
416          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
417          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
418          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
419          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
420          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
421          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
422          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
423          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
424          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
425        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
426          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
427        - sfz parser: allow double spaces in sample filenames
428        - sfz parser: allow absolute paths for sample filenames
429        - use linear decay and release for filter and pitch EG
430        - bugfix: only the first amp_veltrack definition in a file was
431          used
432        - bugfix: looping was disabled if loop_start was set to 0
433        - allow regions with end=-1 to turn off other regions using the
434          group and off_by opcodes (#168)
435        - made end=0 play the whole sample
436        - fixed support for lochan and hichan opcodes (#155)
437        - fixed crash when using lochan/hichan opcodes (#187)
438        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
439        - added FLAC support (#191)
440        - sfz parser bugfix: lines starting with whitespace were ignored
441        - added amplitude opcode
442        - added support for "#include" instruction
443          (modified patch which was originally posted by Sergey on LS mailing list)
444        - bugfix: generation of velocity curves etc should not be done
445          after each "#include", only after the main file is parsed
446        - bugfix: line numbers in error messages were wrong after "#include"
447        - added support for float and 32 bit sample files
448    
449      * SoundFont format engine:
450        - Initial implementation (not usable yet)
451        - RT-safeness: avoid malloc in audio thread
452        - fixed a bug that could cause voice stealing to fail
453        - fine-tuned amplitude EG (by switching from gig to sfz EG)
454        - initial implementation of Vibrato LFO and Modulation LFO
455        - initial implementation of cutoff filter
456        - use linear decay and release for filter and pitch EG
457    
458      * Host plugins (VST, AU, LV2, DSSI):
459        - AU bugfix: failed to destroy its audio/MIDI devices
460        - Listen to all interfaces on Mac OS X (INADDR_ANY)
461        - VST bugfix: If the host called resume() before and after
462          changing sample rate or block size, the number of channels was
463          incorrectly set to two. This caused silence in Cubase 5.
464        - save engine type (gig, sfz or sf2) in plugin state
465        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
466          64 bit Windows
467        - AU: changed number of output channels from one stereo to 16
468          stereo
469        - VST: made it possible to build the VST plugin for Mac
470        - AU: link AU plugin dynamically if --disable-shared isn't
471          specified
472        - LV2 "state" extension support (patch by David Robillard)
473        - VST bugfix: instrument loading hang and crashed the host when
474          the plugin was loaded a second time (#174)
475        - plugin bugfix: instrument loading hang when the plugin was
476          loaded a second time (this time it's for Linux and Mac, previous
477          similar fix was for Windows)
478        - thread safety fixes for the instrument loading thread
479        - LV2: use the new lv2 package if present
480        - VST: try to open Fantasia automatically on Linux and Mac too (on
481          Linux, the Fantasia jar should be placed in <prefix>/share/java)
482        - VST: fixed crashes on Linux Ardour and EnergyXT
483        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
484          port and audio channel routing for DSSI plugins are now visible.
485        - LV2: use urid and atom extensions instead of deprecated uri-map
486          and event
487        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
488        - LV2: changed number of output channels to 16 stereo, just like
489          the VST and AU plugins
490        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
491        - LV2: made LV2 plugin buildable on Windows and Mac
492        - VST: implemented retrieval and switching of programs using the
493          sampler's internal MIDI instrument mapping system
494    
495      * Instrument editor interface:
496        - Changed instrument editor plugin interface, providing additional
497          informations like the EngineChannel for which the instrument editor was
498          spawned for. This allows the instrument editors to interact more actively
499          with the sampler.
500    
501      * MIDI driver:
502        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
503          the ALSA sequencer client name
504        - removed limit of maximum amount of MIDI ports per MIDI device, since
505          there is no reason for this limit
506        - MME: fixed memory handling bug found with cppcheck
507        - MME: removed compiler warning
508        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
509          which allows to retrieve the list of CoreMIDI clients / ports and to connect
510          to them a la JACK, via the usual sampler APIs
511        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
512          the driver will automatically connect to other CoreMIDI clients' ports
513          (e.g. external MIDI devices being attached to the Mac)
514        - added support for MIDI note on velocity filter
515        - CoreMIDI: fixed memory deallocation error
516        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
517          virtual keyboards in frontends / instrument editors being stuck.
518        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
519        - Implemented missing handling of MIDI "running status".
520        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
521        - MME bugfix: driver wasn't closed properly
522        - CoreMIDI: automatically connect to all input sources by default (driver
523          parameter "AUTO_BIND").
524        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
525        - CoreMIDI: fixed minor memory leak
526    
527      * audio driver:
528        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
529        - JACK audio: react on sample rate changes.
530        - JACK audio: react on buffer size changes.
531        - JACK audio: jack_port_get_buffer() was cached and called outside
532          RT context.
533        - ASIO driver: removed compiler warnings
534        - CoreAudio: fixed minor error handling bug
535        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
536        - JACK audio: return the JACK server's current sample rate as default value
537          for audio device parameter "SAMPLERATE" (fixes #166).
538    
539      * LSCP server:
540        - added support for sending MIDI CC messages via LSCP command
541          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
542        - added LSCP command "GET AVAILABLE_EFFECTS"
543        - added LSCP command "LIST AVAILABLE_EFFECTS"
544        - added LSCP command "GET EFFECT INFO <effect-index>"
545        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
546        - added LSCP command
547          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
548        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
549        - added LSCP command "GET EFFECT_INSTANCES"
550        - added LSCP command "LIST EFFECT_INSTANCES"
551        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
552        - added LSCP command
553          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
554        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
555          <effect-instance> <input-control> <value>"
556        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
557        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
558        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
559        - added LSCP command
560          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
561        - added LSCP command
562          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
563        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
564          <effect-chain> <effect-instance>"
565        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
566          <effect-chain> <effect-chain-pos> <effect-instance>"
567        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
568          <effect-chain> <chain-pos>"
569        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
570          <fx_send_id> <effect_chain> <chain_pos>"
571        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
572        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
573          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
574          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
575        - provide comprehensive error messages on LSCP syntax errors
576          (suggesting expected next non-terminal symbols)
577        - Fixed client connection not being closed after network errors.
578    
579      * LSCP shell:
580        - Added support for auto correction of obvious and trivial syntax mistakes.
581        - Added support for auto completion by tab key.
582        - Show currently available auto completion while typing.
583        - Added support for browsing command history with up / down keys.
584        - Show all possible next symbols immediately right to the current command
585          line while typing (no double tab required for this feature, as it would
586          be the case in other shells).
587        - Added support for moving cursor left/right with arrow keys.
588        - Added support for built-in LSCP reference documentation, which will
589          automatically show the relevant LSCP reference section on screen as soon
590          as one specific LSCP command was detected while typing on the command
591          line.
592    
593      * Real-time instrument scripts:
594        - Implemented built-in script array variable %CC.
595        - Implemented built-in script int variable $CC_NUM.
596        - Implemented built-in script int variable $EVENT_NOTE.
597        - Implemented built-in script int variable $EVENT_VELOCITY.
598        - Implemented built-in script constant variable $VCC_MONO_AT.
599        - Implemented built-in script constant variable $VCC_PITCH_BEND.
600        - Implemented execution of script event handler "init".
601        - Implemented execution of script event handler "controller".
602        - Implemented execution of script event handler "note".
603        - Implemented execution of script event handler "release".
604        - Implemented built-in script function "play_note()" (only two of the
605          max. four function arguments are currently implemented yet though).
606        - Implemented built-in script int variable $EVENT_ID.
607        - Implemented built-in script function "ignore_event()"
608        - Implemented built-in script function "ignore_controller()" (may have one
609          or no argument).
610        - Implemented built-in script function "set_controller()".
611        - Added extended script VM for the Gigasampler/GigaStudio format sampler
612          engine, which extends the general instrument script VM with Giga format
613          specific variables and functions.
614        - Giga format scripts: added built-in script int constant variables
615          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
616          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
617          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
618          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
619          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
620          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
621          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
622          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
623          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
624          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
625        - Giga format scripts: Implemented built-in script function
626          "gig_set_dim_zone(event_id, dimension, zone)".
627        - Implemented built-in script int array variable $KEY_DOWN.
628        - Implemented built-in script function "abs()".
629        - Implemented built-in script function "random()".
630        - Implemented built-in script function "num_elements()".
631        - Implemented built-in script function "note_off()".
632        - Implemented built-in script function "set_event_mark()".
633        - Implemented built-in script function "delete_event_mark()".
634        - Implemented built-in script function "by_marks()".
635        - Added built-in script int const variables $MARK_1 to $MARK_28.
636        - Built-in script functions "ignore_event()", "note_off()" and
637          "gig_set_dim_zone()" now also accept an array of event IDs as argument
638          (i.e. return value of new script function "by_marks()").
639        - Pass/preserve polyphonic variable data from respective "note" event
640          handler to "release" event handler.
641        - Fixed crash when using built-in script function "by_marks()".
642    
643      * Bug fixes:
644        - Fixed crash which may occur when MIDI key + transpose is out of range
645        - minor valgrind fixes
646        - fixed crash which occurred when changing an already deployed sampler
647          channel to a different engine type
648        - fixed crash when deleting a sampler channel or changing engine
649          type while an instrument load was in progress
650        - bugfix: playing a note while changing the instrument could cause
651          a crash, or give "Handing back unknown region" error messages
652        - bugfix: calling SET VOICES (which Fantasia does on start and
653          refresh) could cause instruments to be unloaded
654        - Mac OS X: fixed name collision of enum in EffectControl and
655          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
656        - Mac OS X: fixed hanging threads
657        - Windows: disabled the previous thread fix on non-Mac systems, as
658          it caused hanging threads on Windows
659        - Fixed possible crashes due to corrupted MIDI/audio device list
660          after MIDI/audio device creation failure
661        - When creating MIDI instrument map entries with "PERSISTENT" type, the
662          instruments were uselessly precached with zero samples, however it still
663          took the full preloading time and on 1st program change the respective
664          instrument was completely reloaded again.
665        - fixed handling of rapid bank select and program change messages
666          sent to the same sampler channel (patch from the Open Octave
667          project, slightly adjusted)
668        - fixed crash when trying to create an effect instance with controls
669          which min and/or max values depend on the sample rate
670        - fixed bug #162
671        - bugfix: LADSPA_PATH was not evaluated correctly when containing
672          multiple paths (#165)
673        - thread safety fixes for the instrument loading thread
674        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
675          (#176)
676        - more thread safety fixes for the instrument loading thread
677        - sfz/sf2 engine: fixed crash when using small audio fragment size
678        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
679        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
680          introduced in previous fix)
681        - fixed crash when a channel received a program change while
682          playing a note in a key group
683        - fixed erroneous error message piping in VoiceBase.h
684          (labelled "Disk stream not available in time")
685        - Update effects on sample rate & period size changes (to avoid
686          crashes and noise on such transitions).
687        - ignore missing LADSPA paths without ignoring valid LADSPA paths
688          (fixes #208)
689        - Fixed bug in LSCP grammar definition which caused a statement like
690          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
691          practically irrelevant, however it caused problems with the new LSCP
692          shell's auto completion feature).
693        - Fixed MIDI program change messages being ignored if quickly executed
694          after each other (fixes #231).
695    
696    Version 1.0.0 (31 July 2009)
697    
698      * packaging changes:
699        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
700          causing e.g. the libgig test to fail when
701          "./configure --disable-jack-driver" was used
702          (patch by Alexis Ballier)
703        - fixed compilation with gcc 4.3
704        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
705        - fixed configure so it detects x86_64 (#107)
706        - fixes for building with newer MinGW versions
707        - fix for building with bison 2.4 (#111)
708        - fixed building with libgig installed in a non-standard directory
709        - minor fix in configure for mmsystem.h detection on MinGW
710        - Windows: look for editor plugins and Fantasia using base
711          directory of liblinuxsampler dll (look in the same directory and one
712          directory above)
713        - configure script fix: removed unconditional use of SSE
714        - fixed building with sqlite installed in a non-standard directory
715        - when cross-compiling, don't try to create instruments.db
716        - fix for new mingw-w64 version, which has usleep
717    
718      * general changes:
719        - bugfix: on some POSIX systems instrument editor plugins refused to
720          load as we used a non-portable Linux specific struct field
721          (fixes bug #70, patch by Ronald Baljeu)
722        - fixed endless loop which occured when loading an instrument editor
723          plugin DLL on Windows systems failed
724        - fixed memory leaks that occurred when liblinuxsampler was unloaded
725        - optimized the SynchronizedConfig class so it doesn't wait
726          unnecessarily long after an update
727        - added support for notifying instrument editors on note-on / note-off
728          events (e.g. to highlight the pressed keys on the virtual keyboard
729          of gigedit)
730        - added support for triggering notes by instrument editors (see above)
731        - be verbose on DLL load errors (on Linux)
732        - fixed di-harmonic triangle LFO implementation (this LFO implementation
733          is only used by very few systems, most pick the int math
734          implementation, which is usually faster)
735        - fixes for audio drivers with varying buffer sizes
736        - experimental support for running LinuxSampler as a DSSI, LV2 and
737          VST plugin
738        - notification events for stream/voice count statistics are now sent
739          only when there are actual changes
740        - added memory ordering constraints to improve stability on
741          multi-core and multi-cpu systems
742        - maximum voices and disk streams can now be altered at runtime
743        - fixed CPU feature detection on x86_64 (maybe fixes #108)
744        - automatic stacktrace mechanism is now turned off by default and can
745          be switched on by command line option "--stacktrace" (the automatic
746          stacktrace mechanism seems to be broken on most systems at the moment)
747        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
748          a pointer to the launched InstrumentEditor object
749        - added optional 3rd party user data parameter for following
750          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
751          InstrumentEditor::Launch(),
752          InstrumentManager::LaunchInstrumentEditor()
753        - theoretical fix: made SynchronizedConfig follow C++0x memory
754          model more strictly
755        - fixes for using large audio device buffers
756        - Windows: add the installation directory to the DLL search path
757          when loading an editor plugin (solves problems with VST and
758          gigedit on systems with other GTK versions installed)
759        - updated linuxsampler man page
760    
761      * audio driver:
762        - removed the nonsense audio channel constraint (which was hard coded to
763          max. 100 audio channels) for most audio drivers
764        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
765          opposed to the LSCP specs
766        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
767          reflected the wrong value
768        - fixed a memory management bug in ASIO driver
769        - Makefile fix: JACK_CFLAGS wasn't used
770        - JACK: use jack_client_open instead of the deprecated
771          jack_client_new
772        - added (experimental) CoreAudio driver
773        - applied old fixes to the ASIO driver that were included in the
774          previous binary release but accidentally never committed to CVS
775          (fixes #117)
776        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
777          win64)
778        - VST: added support for sample rate and buffer size changes
779        - VST: close editor (Fantasia) when the VST is removed
780        - VST: avoid opening Fantasia more than once for each VST instance
781        - VST: export main function as "main" on Linux too (fix for
782          energyXT)
783        - VST: changed number of output channels from one stereo to 16
784          stereo
785        - added channel routing, fxsends and midi maps to the settings
786          stored in the plugin state
787        - performance optimization of AudioChannel::MixTo() and
788          AudioChannel::CopyTo() methods using GCC vector exensions
789          (if available)
790        - ASIO fixes: avoid initializing the device twice, avoid throwing
791          exception when getting parameters from a disconnected device
792    
793      * MIDI driver:
794        - added JACK MIDI driver
795        - dispatch bank select as ordinary CC as well, the user might seriously
796          want to (mis)use it for some purpose ("fixed" in all current MIDI
797          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
798        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
799          CoreMidi or AU
800        - fixed mingw-w64 compilation error in MME driver
801        - made program change handling in MIDI thread real-time safe by
802          moving the logic to a non-RT thread
803        - fixed minor memory leak in ALSA driver
804    
805      * instruments database:
806        - avoid time consuming samples scanning when adding instruments
807          to the instruments database
808        - added support for handling lost files in the instruments database
809        - Implemented option for adding instruments in separate directories
810          in the instruments database
811          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
812        - work-around for missing fnmatch function on Windows to make
813          instrument database compilable
814        - added instrument database support on Windows
815          works with both standalone mode and VST plugin.
816          the instruments DB file is located in
817          %USERPROFILE%\.linuxsampler\instruments.db which allows different
818          databases for each windows user
819          if no DB is present it automatically creates the .linuxsampler subdir
820          and then creates an empty DB
821        - fixed recursive import, which was broken on Windows
822    
823      * Gigasampler format engine:
824        - fixed a memory leak that could happen when a channel was deleted
825          while notes were playing
826        - made it possible to load an instrument even if the audio thread
827          isn't running
828        - added partial support for the "Controller Triggered" MIDI rule,
829          enough for piano gigs with pedal noise samples
830        - minor fix: only mark FX sends as being modified if really the
831          respective FX send MIDI controller was used
832        - added support for GM global device volume SysEx message
833          (can be selected at compile time to either apply globally to the
834          whole sampler [default] or only to the sampler channels that are
835          connected to the respective MIDI input port the SysEx message arrived
836          on)
837        - bugfix: notes triggered at position 0 in the audio buffer were
838          sometimes wrongly killed in the same buffer, causing no sound to
839          be played
840        - added support for chromatic / drumkit mode Roland GS Sysex message
841          which is usally used to switch a part between chromatic sounds and
842          drumkit sounds (as opposed to their common default setting of MIDI
843          part 10 being a drumkit part and all other ones chromatic parts), in
844          LS however one can switch between the first 16 MIDI instrument maps
845          defined for the sampler
846        - made it possible to create multiple sample channels even if the
847          audio thread isn't running
848        - fixed crash when removing channel with active voices (#116)
849        - bugfix: on sample reference changes (instrument editor), only
850          un-cache the respective sample if it's really not used by any
851          sampler engine anymore
852        - re-cache samples in case they were changed by an instrument editor,
853          e.g. when a sample was added while playing (#82)
854        - fixed hanging notes which occured when note-off event had the exact
855          same time stamp as the voice's note-on event and occured both in the
856          same audio fragment cycle (fixes bug #112)
857        - added support for the "fine tune" and "pitch bend range"
858          instrument-level gig parameters
859        - fixed minor artifacts in pitch bend handling
860        - added support for GS Reset SysEx message
861        - allow gig files to use unlimited downward pitch shifting
862        - added a limit check for upward pitch shifting
863        - bugfix: sometimes, when playing a note twice fast, the second
864          note was silent
865        - fixed crash happening when a pitch bend event arrived at the
866          same time a new instrument was loading
867    
868      * LSCP server:
869        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
870          react on MIDI data arriving on certain sampler channels (so far only
871          Note-On and Note-Off events are sent via this LSCP event)
872        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
873          react on MIDI data arriving on certain MIDI input devices (so far only
874          Note-On and Note-Off events are sent via this LSCP event)
875        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
876          SET DB_INSTRUMENT FILE_PATH
877        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
878          frontends to send MIDI messages to specific sampler channel
879        - added two additional fields to GET FILE INSTRUMENT INFO command -
880          KEY_BINDINGS and KEYSWITCH_BINDINGS
881        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
882          was incorrect
883        - Optimized the retrieval of the MIDI instrument mappings
884        - added new LSCP command "SET VOICES" to globally alter the maximum
885          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
886          be triggered respectively
887        - added new LSCP command "SET STREAMS" to globally alter the maximum
888          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
889          which will be triggered respectively
890        - bugfix: retry if "select" returns EINTR (this fixes a crash when
891          a gigedit file dialog is opened)
892        - close all connections when LSCPServer is deleted
893        - hard close of all sockets on exit
894        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
895          driver
896    
897      * Bug fixes:
898        - fixed a crash which occurs when removing a sampler channel waiting
899          to start instrument loading after another channel
900        - fixed a crash which occurs when removing a sampler channel with
901          instrument loading in progress (bug #113)
902        - fixed termination caused by uncaught exception when adding MIDI
903          instrument with PERSISTENT load mode
904        - fixed possible iterator invalidations when resetting the sampler
905        - fixed memory leaks when issuing the following LSCP commands:
906          GET AUDIO_OUTPUT_DRIVER INFO
907          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
908          GET MIDI_INPUT_DRIVER INFO
909          GET MIDI_INPUT_DRIVER_PARAMETER INFO
910        - fixed possible compilation error when sqlite is not present
911        - fixed orphaned pointers when setting maximum voices limit (bug #118)
912        - fixed crash when changing the audio output device of a sampler
913          channel with loaded instrument and start playing notes
914        - fixed endless loop in Engine::SuspendAll() (bug #120)
915        - fixed a low-level atomic load function that was broken on 64-bit
916          PowerPC, which probably could cause crashes on that platform
917        - fixed a memory management error which could cause a crash when a
918          plugin was unloaded
919        - bugfix: two private structs had the same name, which could cause
920          problems if the linker chose the wrong constructor
921        - fixed low-level ConditionServer usage bug that caused lockups on
922          Windows
923    
924    
925    Version 0.5.1 (6 December 2007)
926    
927    * packaging changes:    * packaging changes:
928      - added autoconf checks for pthread library      - added autoconf checks for pthread library
# Line 9  Version CVS HEAD (?) Line 933  Version CVS HEAD (?)
933    * general changes:    * general changes:
934      - bugfix: the thread used by an editor plugin didn't die when the      - bugfix: the thread used by an editor plugin didn't die when the
935        editor closed        editor closed
936      - bugfix: Ringbuffer.h:      - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
937        fill_write_space_with_null() did not zero out all the space        out all the space. operator--() did not apply size_mask after
938        operator--() did not apply size_mask after decrementing the read_ptr        decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
939        DEFAULT_WRAP_ELEMENTS set to 0 in order to avoid problems with        order to avoid problems with the _NonVolatileReader functions.
940          the _NonVolatileReader functions.      - bugfix: Stream.h: added a missing divide by BytesPerSample in
941       - bugfix: Stream.h: added a missing divide by BytesPerSample in GetWriteSpace()        GetWriteSpace(). Since this function is currently only used in
942         since this function is currently only used in the stream's        the stream's qsort() compare function, it didn't trigger any
943         qsort() compare function, it didn't trigger any bugs        bugs.
944       Resampler.h, Synthesizer.h:      - Resampler.h, Synthesizer.h: cubic interpolation now works in
945         cubic interpolation now works in 24bit mode too        24bit mode too. Faster method to read 24bit words on little
946         faster method to read 24bit words on little endian machines (x86):        endian machines (x86): replaced 3 byte reads + shifts with a 1
947         replaced 3 byte reads + shifts with a 1 unaligned 32bit read and shift        unaligned 32bit read and shift
948       Experimental support for MS Windows (MIDI input via MME, AUDIO output via ASIO)      - experimental support for MS Windows (MIDI input via MME, AUDIO
949          output via ASIO)
950        - made handling of SIGINT signal (Ctrl-C) a bit more robust
951        - support for monitoring the total number of active disk streams
952          (new LSCP commands: GET TOTAL_STREAM_COUNT,
953          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
954    
955    * AUDIO driver:    * AUDIO driver:
956      - added Windows ASIO low latency audio driver      - added Windows ASIO low latency audio driver
957    
958    * MIDI driver:    * MIDI driver:
959      - added MME Windows MIDI driver      - added MME Windows MIDI driver

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