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revision 900 by schoenebeck, Wed Jul 5 17:53:22 2006 UTC revision 3091 by schoenebeck, Mon Jan 16 15:01:21 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    
152    Version 2.0.0 (15 July 2015)
153    
154      * packaging changes:
155        - fixed building with newer MinGW-w64
156        - Mac OS X: support the new dir for Core Audio SDK
157        - Mac OS X: fixed building outside source directory
158        - made sure all source files for hostplugins are included when
159          doing "make dist"
160        - removed empty directories left from the cvs to svn migration
161        - fixed compilation with gcc 4.6.1
162        - another "make dist" fix, for the LV2 plugin
163        - made --enable-pthread-testcancel default on Mac OS X
164        - minor Makefile fix for building lscpparser when build and source
165          directories are separate
166        - Mac OS X: made it possible to specify plugin installation dir to
167          configure
168        - Mac OS X: Makefile fix for the install-strip target
169        - fixed compilation with gcc 4.7
170        - fixed configure script error with old autoconf versions
171        - lsatomic.h: use gcc provided atomic functions if building with
172          gcc 4.7 and C++11
173        - modernized configure script
174        - fixed linkage error when building with
175          LDFLAGS="-Wl,--no-undefined" (#190)
176        - fixed compilation with Clang 3.2
177        - removed usage of deprecated Automake variable INCLUDES
178        - fixed building with C++11
179        - build fix: ChangeFlagRelaxed.h was missing in makefile
180        - build fix: libsndfile compiler flags were missing in some
181          makefiles
182        - fix for building with bison 3.0 (#202)
183        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
184          on the process's main thread
185        - fixed build error on newer MinGW
186        - support building with older jack versions
187        - support building with spaces in vst sdk path
188        - enabled automake 'subdir-objects' option and moved external
189          source references (vst, au, asio) from makefiles to cpp files,
190          in order to get rid of warnings from automake 1.14
191    
192      * general changes:
193        - Refactoring: moved the independent code from
194          the Gigasampler format engine to base classes
195        - command line option '--profile' is currently disabled, since the
196          respective profiling code is currently broken
197        - Introduced support for optional environment variable
198          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
199          where the sampler shall look for instrument editor plugins
200          (patch by Luis Garrido, slightly modified).
201        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
202        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
203        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
204          note (in this implementation of the sampler its simply hard routed to
205          the 1st effect send of the sampler channel, no matter what the actual
206          effect type is)
207        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
208          note (in this implementation of the sampler its simply hard routed to
209          the 2nd effect send of the sampler channel, no matter what the actual
210          effect type is)
211        - implemented support for internal LADSPA effects
212        - raised limit of program change queue from 100 to 512
213          (as suggested by Alex Stone)
214        - implemented sine LFO, pulse LFO and saw LFO
215        - experimental support for per voice equalization
216        - added command line option --exec-after-init
217        - Introduced new C++ API method:
218          EngineChannel::InstrumentFileName(int index)
219          allowing to retrieve the whole list of files used for the loaded
220          instrument on an engine channel (a.k.a. part). Some GigaStudio
221          instruments for example are splitted over several files like
222          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
223        - Added new C++ API method Sampler::GetGlobalMaxVoices().
224        - Added new C++ API method Sampler::GetGlobalMaxStreams().
225        - Added new C++ API method Sampler::SetGlobalMaxVoices().
226        - Added new C++ API method Sampler::SetGlobalMaxStreams().
227        - Various "const" and "restrict" optimizations.
228        - all engines: add pan CC value to instrument pan parameter before
229          applying panning, instead of using two separate pan functions in
230          series (#182)
231        - added a lock guard class for exception safe mutex handling and
232          used it everywhere appropriate
233        - Immediately apply scale tuning changes to active voices.
234        - Exposed scale tuning to C++ API (along to the already existing standard
235          SysEx way).
236        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
237          and broken for ppc64. (Seq_cst loads and stores are actually not
238          used in LS, so the bug wasn't noticable.)
239        - lsatomic.h: added ARMv7 support
240        - Added support for multiple MIDI input ports per sampler channel (and
241          added various new C++ methods for this new feature / design change, old
242          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
243          as deprecated but are still there and should provide full behavior
244          backward compatibility).
245        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
246          unsafe and caused compilation error with clang 2.x).
247        - Bugfix: only process the latest MIDI program change event.
248        - Introducing the LSCP shell, which provides convenient control of the
249          sampler from the command line by providing LSCP aware features.
250        - VirtualMidiDevice: Added support for program change.
251        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
252        - VirtualMidiDevice: Added support for pitch bend.
253        - Aftertouch: extended API to explicitly handle channel pressure and
254          polyphonic key pressure events (so far polyphonic pressure was not
255          supported at all, and channel pressure was rerouted as CC128 but not
256          used so far).
257        - Added initial support for real-time instrument scripts. The script VM
258          code is shared by all sampler engine implemementations, however only the
259          gig file format currently provides support for storing instrument scripts
260          (as LinuxSampler extension to the original GigaStudio 4 format).
261    
262      * Gigasampler format engine:
263        - implemented the "round robin keyboard" dimension
264        - fixed round robin and random dimensions for cases when number of
265          dimension zones is not a power of two
266        - made round robin use a counter for each region instead of each
267          key
268        - bugfix: pitch LFO controller "internal+aftertouch" was broken
269        - bugfix: filter keyboard tracking was broken
270        - filter performance fix (an unnecessary copy was made of the
271          filter parameters in each sub fragment)
272        - handle special case when pan parameter in gig file has max or
273          min value
274        - Exclusive Groups: don't ever stop voices of the same note,
275          doesn't sound naturally with a drumkit
276        - fixed EG1 modulation when attack or release is zero
277        - Fixed support for 'aftertouch' attenuation controller.
278        - Fixed crash that happened with velocity split sounds under certain
279          conditions (see also previous commit on libgig).
280        - fixed behaviour of filter LFO
281    
282      * SFZ format engine:
283        - Initial implementation (not usable yet)
284        - added support for v2 multiple stage envelope generators
285        - added a fine-tuned v1 envelope generator instead of using the
286          one from the gig engine
287        - fixed memory leak and memory handling errors
288        - added support for trigger=first, trigger=legato and sw_previous
289        - allow non-numerical key values ("C#4" for example)
290        - "key" opcode now sets pitch_keycenter too
291        - fixed error when unloading instrument with same sample used by
292          multiple regions
293        - added some opcode aliases, like loopmode for loop_mode, to be
294          more compatible
295        - added support for trigger=release and rt_decay
296        - added support for off_mode=normal
297        - added support for random, seq_position, seq_length and volume
298        - added v1 LFO opcodes to parser (no support in engine yet)
299        - added support for amp_veltrack and amp_velcurve_N
300        - fine-tuned the default velocity curve
301        - added support for transpose
302        - fixed crash when using sw_down/up
303        - improved logic for sw_lokey/hikey/up/down/last
304        - added more v1 aliases to parser
305        - reduced memory usage for sfz data
306        - RT-safeness: avoid malloc in audio thread
307        - fixed a bug that could cause voice stealing to fail
308        - optimized sample lookup
309        - improved support for exclusive groups (group, off_by and
310          off_mode)
311        - added support for controller triggered regions (on_locc/on_hicc)
312        - added support for loop_mode=one_shot
313        - fixed playback of 16 bit wav files on big endian CPUs
314        - added support for Ogg Vorbis sample files
315        - use loop markers from sample file if loop_start and loop_end are
316          not set in sfz file
317        - implemeted filters. Filter types: lowpass, bandpass, bandreject
318          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
319          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
320          cutoff_cc, cutoff_chanaft.
321        - bugfix: zero ampeg_sustain didn't work
322        - added support for velocity effect on amplifier envelope time
323          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
324          ampeg_vel2release)
325        - added support for EG hold (ampeg_hold)
326        - added support for sample offset (offset)
327        - use the newly introduced signal units model
328        - implemented opcodes lfoN_delay,
329          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
330        - implemented opcodes ampeg_delay, ampeg_vel2delay
331          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
332          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
333          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
334          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
335        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
336          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
337          amplfo_delay, amplfo_freq, amplfo_depth
338        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
339          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
340          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
341          fileg_vel2release
342        - implemented opcode lfoN_wave
343        - implemented opcode pitchlfo_depthccN
344        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
345          lfoN_pitch, lfoN_pitch_onccX
346        - implemented opcodes pitchlfo_fade,
347          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
348        - implemented opcodes fillfo_freqccN,
349          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
350        - implemented opcodes ampeg_delayccN, ampeg_startccN,
351          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
352          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
353        - lfoN_* and egN_* opcodes defined in group sections
354          are now taken into account
355        - implemented curves
356        - implemented opcodes volume_onccN, volume_curveccN
357        - implemented opcode volume_smoothccN
358        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
359          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
360          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
361          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
362          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
363        - implemented opcode end
364        - implemented opcodes egN_amplitude_onccX,
365          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
366          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
367        - implemented opcodes xfin_lokey, xfin_hikey,
368          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
369          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
370          xfout_loccN, xfout_hiccN, xf_cccurve
371        - implemented opcodes pan_onccN, pan_smoothccN,
372          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
373          egN_pan_curveccX, pitch_veltrack
374        - when failed to parse a sfz file
375          print the line number on which the error occurs
376        - use common pool of CC objects to minimize RAM usage
377        - implemented opcodes amplfo_delay_onccN,
378          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
379          pitchlfo_delay_onccN, pitchlfo_fade_onccN
380        - implemented opcodes fileg_delay_onccN,
381          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
382          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
383          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
384          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
385          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
386        - implemented automatic aliasing *ccN <-> *_onccN
387        - *lfo_freqccN wasn't working when the respective *lfo_freq
388          was not set or was set to zero
389        - lfoN_freq_onccX wasn't working when lfoN_freq
390          was not set or was set to zero
391        - implemented opcodes resonance_onccN, resonance_smoothccN,
392          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
393        - implemented opcodes fillfo_depthchanaft,
394          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
395          pitchlfo_depthchanaft, pitchlfo_freqchanaft
396        - implemented opcodes pitch_onccN,
397          pitch_curveccN, pitch_smoothccN, pitch_stepccN
398        - implemented opcodes volume_stepccN, pan_stepccN,
399          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
400          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
401          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
402        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
403          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
404          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
405          eq1_gainccN, eq2_gainccN, eq3_gainccN
406        - implemented opcodes delay, delay_onccN, delay_random,
407          delay_samples, delay_samples_onccN
408        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
409          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
410          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
411          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
412          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
413          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
414          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
415          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
416          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
417          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
418          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
419          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
420          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
421          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
422          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
423        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
424          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
425        - sfz parser: allow double spaces in sample filenames
426        - sfz parser: allow absolute paths for sample filenames
427        - use linear decay and release for filter and pitch EG
428        - bugfix: only the first amp_veltrack definition in a file was
429          used
430        - bugfix: looping was disabled if loop_start was set to 0
431        - allow regions with end=-1 to turn off other regions using the
432          group and off_by opcodes (#168)
433        - made end=0 play the whole sample
434        - fixed support for lochan and hichan opcodes (#155)
435        - fixed crash when using lochan/hichan opcodes (#187)
436        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
437        - added FLAC support (#191)
438        - sfz parser bugfix: lines starting with whitespace were ignored
439        - added amplitude opcode
440        - added support for "#include" instruction
441          (modified patch which was originally posted by Sergey on LS mailing list)
442        - bugfix: generation of velocity curves etc should not be done
443          after each "#include", only after the main file is parsed
444        - bugfix: line numbers in error messages were wrong after "#include"
445        - added support for float and 32 bit sample files
446    
447      * SoundFont format engine:
448        - Initial implementation (not usable yet)
449        - RT-safeness: avoid malloc in audio thread
450        - fixed a bug that could cause voice stealing to fail
451        - fine-tuned amplitude EG (by switching from gig to sfz EG)
452        - initial implementation of Vibrato LFO and Modulation LFO
453        - initial implementation of cutoff filter
454        - use linear decay and release for filter and pitch EG
455    
456      * Host plugins (VST, AU, LV2, DSSI):
457        - AU bugfix: failed to destroy its audio/MIDI devices
458        - Listen to all interfaces on Mac OS X (INADDR_ANY)
459        - VST bugfix: If the host called resume() before and after
460          changing sample rate or block size, the number of channels was
461          incorrectly set to two. This caused silence in Cubase 5.
462        - save engine type (gig, sfz or sf2) in plugin state
463        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
464          64 bit Windows
465        - AU: changed number of output channels from one stereo to 16
466          stereo
467        - VST: made it possible to build the VST plugin for Mac
468        - AU: link AU plugin dynamically if --disable-shared isn't
469          specified
470        - LV2 "state" extension support (patch by David Robillard)
471        - VST bugfix: instrument loading hang and crashed the host when
472          the plugin was loaded a second time (#174)
473        - plugin bugfix: instrument loading hang when the plugin was
474          loaded a second time (this time it's for Linux and Mac, previous
475          similar fix was for Windows)
476        - thread safety fixes for the instrument loading thread
477        - LV2: use the new lv2 package if present
478        - VST: try to open Fantasia automatically on Linux and Mac too (on
479          Linux, the Fantasia jar should be placed in <prefix>/share/java)
480        - VST: fixed crashes on Linux Ardour and EnergyXT
481        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
482          port and audio channel routing for DSSI plugins are now visible.
483        - LV2: use urid and atom extensions instead of deprecated uri-map
484          and event
485        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
486        - LV2: changed number of output channels to 16 stereo, just like
487          the VST and AU plugins
488        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
489        - LV2: made LV2 plugin buildable on Windows and Mac
490        - VST: implemented retrieval and switching of programs using the
491          sampler's internal MIDI instrument mapping system
492    
493      * Instrument editor interface:
494        - Changed instrument editor plugin interface, providing additional
495          informations like the EngineChannel for which the instrument editor was
496          spawned for. This allows the instrument editors to interact more actively
497          with the sampler.
498    
499      * MIDI driver:
500        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
501          the ALSA sequencer client name
502        - removed limit of maximum amount of MIDI ports per MIDI device, since
503          there is no reason for this limit
504        - MME: fixed memory handling bug found with cppcheck
505        - MME: removed compiler warning
506        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
507          which allows to retrieve the list of CoreMIDI clients / ports and to connect
508          to them a la JACK, via the usual sampler APIs
509        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
510          the driver will automatically connect to other CoreMIDI clients' ports
511          (e.g. external MIDI devices being attached to the Mac)
512        - added support for MIDI note on velocity filter
513        - CoreMIDI: fixed memory deallocation error
514        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
515          virtual keyboards in frontends / instrument editors being stuck.
516        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
517        - Implemented missing handling of MIDI "running status".
518        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
519        - MME bugfix: driver wasn't closed properly
520        - CoreMIDI: automatically connect to all input sources by default (driver
521          parameter "AUTO_BIND").
522        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
523        - CoreMIDI: fixed minor memory leak
524    
525      * audio driver:
526        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
527        - JACK audio: react on sample rate changes.
528        - JACK audio: react on buffer size changes.
529        - JACK audio: jack_port_get_buffer() was cached and called outside
530          RT context.
531        - ASIO driver: removed compiler warnings
532        - CoreAudio: fixed minor error handling bug
533        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
534        - JACK audio: return the JACK server's current sample rate as default value
535          for audio device parameter "SAMPLERATE" (fixes #166).
536    
537      * LSCP server:
538        - added support for sending MIDI CC messages via LSCP command
539          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
540        - added LSCP command "GET AVAILABLE_EFFECTS"
541        - added LSCP command "LIST AVAILABLE_EFFECTS"
542        - added LSCP command "GET EFFECT INFO <effect-index>"
543        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
544        - added LSCP command
545          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
546        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
547        - added LSCP command "GET EFFECT_INSTANCES"
548        - added LSCP command "LIST EFFECT_INSTANCES"
549        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
550        - added LSCP command
551          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
552        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
553          <effect-instance> <input-control> <value>"
554        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
555        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
556        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
557        - added LSCP command
558          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
559        - added LSCP command
560          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
561        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
562          <effect-chain> <effect-instance>"
563        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
564          <effect-chain> <effect-chain-pos> <effect-instance>"
565        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
566          <effect-chain> <chain-pos>"
567        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
568          <fx_send_id> <effect_chain> <chain_pos>"
569        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
570        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
571          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
572          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
573        - provide comprehensive error messages on LSCP syntax errors
574          (suggesting expected next non-terminal symbols)
575        - Fixed client connection not being closed after network errors.
576    
577      * LSCP shell:
578        - Added support for auto correction of obvious and trivial syntax mistakes.
579        - Added support for auto completion by tab key.
580        - Show currently available auto completion while typing.
581        - Added support for browsing command history with up / down keys.
582        - Show all possible next symbols immediately right to the current command
583          line while typing (no double tab required for this feature, as it would
584          be the case in other shells).
585        - Added support for moving cursor left/right with arrow keys.
586        - Added support for built-in LSCP reference documentation, which will
587          automatically show the relevant LSCP reference section on screen as soon
588          as one specific LSCP command was detected while typing on the command
589          line.
590    
591      * Real-time instrument scripts:
592        - Implemented built-in script array variable %CC.
593        - Implemented built-in script int variable $CC_NUM.
594        - Implemented built-in script int variable $EVENT_NOTE.
595        - Implemented built-in script int variable $EVENT_VELOCITY.
596        - Implemented built-in script constant variable $VCC_MONO_AT.
597        - Implemented built-in script constant variable $VCC_PITCH_BEND.
598        - Implemented execution of script event handler "init".
599        - Implemented execution of script event handler "controller".
600        - Implemented execution of script event handler "note".
601        - Implemented execution of script event handler "release".
602        - Implemented built-in script function "play_note()" (only two of the
603          max. four function arguments are currently implemented yet though).
604        - Implemented built-in script int variable $EVENT_ID.
605        - Implemented built-in script function "ignore_event()"
606        - Implemented built-in script function "ignore_controller()" (may have one
607          or no argument).
608        - Implemented built-in script function "set_controller()".
609        - Added extended script VM for the Gigasampler/GigaStudio format sampler
610          engine, which extends the general instrument script VM with Giga format
611          specific variables and functions.
612        - Giga format scripts: added built-in script int constant variables
613          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
614          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
615          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
616          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
617          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
618          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
619          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
620          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
621          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
622          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
623        - Giga format scripts: Implemented built-in script function
624          "gig_set_dim_zone(event_id, dimension, zone)".
625        - Implemented built-in script int array variable $KEY_DOWN.
626        - Implemented built-in script function "abs()".
627        - Implemented built-in script function "random()".
628        - Implemented built-in script function "num_elements()".
629        - Implemented built-in script function "note_off()".
630        - Implemented built-in script function "set_event_mark()".
631        - Implemented built-in script function "delete_event_mark()".
632        - Implemented built-in script function "by_marks()".
633        - Added built-in script int const variables $MARK_1 to $MARK_28.
634        - Built-in script functions "ignore_event()", "note_off()" and
635          "gig_set_dim_zone()" now also accept an array of event IDs as argument
636          (i.e. return value of new script function "by_marks()").
637        - Pass/preserve polyphonic variable data from respective "note" event
638          handler to "release" event handler.
639        - Fixed crash when using built-in script function "by_marks()".
640    
641      * Bug fixes:
642        - Fixed crash which may occur when MIDI key + transpose is out of range
643        - minor valgrind fixes
644        - fixed crash which occurred when changing an already deployed sampler
645          channel to a different engine type
646        - fixed crash when deleting a sampler channel or changing engine
647          type while an instrument load was in progress
648        - bugfix: playing a note while changing the instrument could cause
649          a crash, or give "Handing back unknown region" error messages
650        - bugfix: calling SET VOICES (which Fantasia does on start and
651          refresh) could cause instruments to be unloaded
652        - Mac OS X: fixed name collision of enum in EffectControl and
653          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
654        - Mac OS X: fixed hanging threads
655        - Windows: disabled the previous thread fix on non-Mac systems, as
656          it caused hanging threads on Windows
657        - Fixed possible crashes due to corrupted MIDI/audio device list
658          after MIDI/audio device creation failure
659        - When creating MIDI instrument map entries with "PERSISTENT" type, the
660          instruments were uselessly precached with zero samples, however it still
661          took the full preloading time and on 1st program change the respective
662          instrument was completely reloaded again.
663        - fixed handling of rapid bank select and program change messages
664          sent to the same sampler channel (patch from the Open Octave
665          project, slightly adjusted)
666        - fixed crash when trying to create an effect instance with controls
667          which min and/or max values depend on the sample rate
668        - fixed bug #162
669        - bugfix: LADSPA_PATH was not evaluated correctly when containing
670          multiple paths (#165)
671        - thread safety fixes for the instrument loading thread
672        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
673          (#176)
674        - more thread safety fixes for the instrument loading thread
675        - sfz/sf2 engine: fixed crash when using small audio fragment size
676        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
677        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
678          introduced in previous fix)
679        - fixed crash when a channel received a program change while
680          playing a note in a key group
681        - fixed erroneous error message piping in VoiceBase.h
682          (labelled "Disk stream not available in time")
683        - Update effects on sample rate & period size changes (to avoid
684          crashes and noise on such transitions).
685        - ignore missing LADSPA paths without ignoring valid LADSPA paths
686          (fixes #208)
687        - Fixed bug in LSCP grammar definition which caused a statement like
688          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
689          practically irrelevant, however it caused problems with the new LSCP
690          shell's auto completion feature).
691        - Fixed MIDI program change messages being ignored if quickly executed
692          after each other (fixes #231).
693    
694    Version 1.0.0 (31 July 2009)
695    
696      * packaging changes:
697        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
698          causing e.g. the libgig test to fail when
699          "./configure --disable-jack-driver" was used
700          (patch by Alexis Ballier)
701        - fixed compilation with gcc 4.3
702        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
703        - fixed configure so it detects x86_64 (#107)
704        - fixes for building with newer MinGW versions
705        - fix for building with bison 2.4 (#111)
706        - fixed building with libgig installed in a non-standard directory
707        - minor fix in configure for mmsystem.h detection on MinGW
708        - Windows: look for editor plugins and Fantasia using base
709          directory of liblinuxsampler dll (look in the same directory and one
710          directory above)
711        - configure script fix: removed unconditional use of SSE
712        - fixed building with sqlite installed in a non-standard directory
713        - when cross-compiling, don't try to create instruments.db
714        - fix for new mingw-w64 version, which has usleep
715    
716      * general changes:
717        - bugfix: on some POSIX systems instrument editor plugins refused to
718          load as we used a non-portable Linux specific struct field
719          (fixes bug #70, patch by Ronald Baljeu)
720        - fixed endless loop which occured when loading an instrument editor
721          plugin DLL on Windows systems failed
722        - fixed memory leaks that occurred when liblinuxsampler was unloaded
723        - optimized the SynchronizedConfig class so it doesn't wait
724          unnecessarily long after an update
725        - added support for notifying instrument editors on note-on / note-off
726          events (e.g. to highlight the pressed keys on the virtual keyboard
727          of gigedit)
728        - added support for triggering notes by instrument editors (see above)
729        - be verbose on DLL load errors (on Linux)
730        - fixed di-harmonic triangle LFO implementation (this LFO implementation
731          is only used by very few systems, most pick the int math
732          implementation, which is usually faster)
733        - fixes for audio drivers with varying buffer sizes
734        - experimental support for running LinuxSampler as a DSSI, LV2 and
735          VST plugin
736        - notification events for stream/voice count statistics are now sent
737          only when there are actual changes
738        - added memory ordering constraints to improve stability on
739          multi-core and multi-cpu systems
740        - maximum voices and disk streams can now be altered at runtime
741        - fixed CPU feature detection on x86_64 (maybe fixes #108)
742        - automatic stacktrace mechanism is now turned off by default and can
743          be switched on by command line option "--stacktrace" (the automatic
744          stacktrace mechanism seems to be broken on most systems at the moment)
745        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
746          a pointer to the launched InstrumentEditor object
747        - added optional 3rd party user data parameter for following
748          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
749          InstrumentEditor::Launch(),
750          InstrumentManager::LaunchInstrumentEditor()
751        - theoretical fix: made SynchronizedConfig follow C++0x memory
752          model more strictly
753        - fixes for using large audio device buffers
754        - Windows: add the installation directory to the DLL search path
755          when loading an editor plugin (solves problems with VST and
756          gigedit on systems with other GTK versions installed)
757        - updated linuxsampler man page
758    
759      * audio driver:
760        - removed the nonsense audio channel constraint (which was hard coded to
761          max. 100 audio channels) for most audio drivers
762        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
763          opposed to the LSCP specs
764        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
765          reflected the wrong value
766        - fixed a memory management bug in ASIO driver
767        - Makefile fix: JACK_CFLAGS wasn't used
768        - JACK: use jack_client_open instead of the deprecated
769          jack_client_new
770        - added (experimental) CoreAudio driver
771        - applied old fixes to the ASIO driver that were included in the
772          previous binary release but accidentally never committed to CVS
773          (fixes #117)
774        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
775          win64)
776        - VST: added support for sample rate and buffer size changes
777        - VST: close editor (Fantasia) when the VST is removed
778        - VST: avoid opening Fantasia more than once for each VST instance
779        - VST: export main function as "main" on Linux too (fix for
780          energyXT)
781        - VST: changed number of output channels from one stereo to 16
782          stereo
783        - added channel routing, fxsends and midi maps to the settings
784          stored in the plugin state
785        - performance optimization of AudioChannel::MixTo() and
786          AudioChannel::CopyTo() methods using GCC vector exensions
787          (if available)
788        - ASIO fixes: avoid initializing the device twice, avoid throwing
789          exception when getting parameters from a disconnected device
790    
791      * MIDI driver:
792        - added JACK MIDI driver
793        - dispatch bank select as ordinary CC as well, the user might seriously
794          want to (mis)use it for some purpose ("fixed" in all current MIDI
795          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
796        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
797          CoreMidi or AU
798        - fixed mingw-w64 compilation error in MME driver
799        - made program change handling in MIDI thread real-time safe by
800          moving the logic to a non-RT thread
801        - fixed minor memory leak in ALSA driver
802    
803      * instruments database:
804        - avoid time consuming samples scanning when adding instruments
805          to the instruments database
806        - added support for handling lost files in the instruments database
807        - Implemented option for adding instruments in separate directories
808          in the instruments database
809          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
810        - work-around for missing fnmatch function on Windows to make
811          instrument database compilable
812        - added instrument database support on Windows
813          works with both standalone mode and VST plugin.
814          the instruments DB file is located in
815          %USERPROFILE%\.linuxsampler\instruments.db which allows different
816          databases for each windows user
817          if no DB is present it automatically creates the .linuxsampler subdir
818          and then creates an empty DB
819        - fixed recursive import, which was broken on Windows
820    
821      * Gigasampler format engine:
822        - fixed a memory leak that could happen when a channel was deleted
823          while notes were playing
824        - made it possible to load an instrument even if the audio thread
825          isn't running
826        - added partial support for the "Controller Triggered" MIDI rule,
827          enough for piano gigs with pedal noise samples
828        - minor fix: only mark FX sends as being modified if really the
829          respective FX send MIDI controller was used
830        - added support for GM global device volume SysEx message
831          (can be selected at compile time to either apply globally to the
832          whole sampler [default] or only to the sampler channels that are
833          connected to the respective MIDI input port the SysEx message arrived
834          on)
835        - bugfix: notes triggered at position 0 in the audio buffer were
836          sometimes wrongly killed in the same buffer, causing no sound to
837          be played
838        - added support for chromatic / drumkit mode Roland GS Sysex message
839          which is usally used to switch a part between chromatic sounds and
840          drumkit sounds (as opposed to their common default setting of MIDI
841          part 10 being a drumkit part and all other ones chromatic parts), in
842          LS however one can switch between the first 16 MIDI instrument maps
843          defined for the sampler
844        - made it possible to create multiple sample channels even if the
845          audio thread isn't running
846        - fixed crash when removing channel with active voices (#116)
847        - bugfix: on sample reference changes (instrument editor), only
848          un-cache the respective sample if it's really not used by any
849          sampler engine anymore
850        - re-cache samples in case they were changed by an instrument editor,
851          e.g. when a sample was added while playing (#82)
852        - fixed hanging notes which occured when note-off event had the exact
853          same time stamp as the voice's note-on event and occured both in the
854          same audio fragment cycle (fixes bug #112)
855        - added support for the "fine tune" and "pitch bend range"
856          instrument-level gig parameters
857        - fixed minor artifacts in pitch bend handling
858        - added support for GS Reset SysEx message
859        - allow gig files to use unlimited downward pitch shifting
860        - added a limit check for upward pitch shifting
861        - bugfix: sometimes, when playing a note twice fast, the second
862          note was silent
863        - fixed crash happening when a pitch bend event arrived at the
864          same time a new instrument was loading
865    
866      * LSCP server:
867        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
868          react on MIDI data arriving on certain sampler channels (so far only
869          Note-On and Note-Off events are sent via this LSCP event)
870        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
871          react on MIDI data arriving on certain MIDI input devices (so far only
872          Note-On and Note-Off events are sent via this LSCP event)
873        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
874          SET DB_INSTRUMENT FILE_PATH
875        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
876          frontends to send MIDI messages to specific sampler channel
877        - added two additional fields to GET FILE INSTRUMENT INFO command -
878          KEY_BINDINGS and KEYSWITCH_BINDINGS
879        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
880          was incorrect
881        - Optimized the retrieval of the MIDI instrument mappings
882        - added new LSCP command "SET VOICES" to globally alter the maximum
883          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
884          be triggered respectively
885        - added new LSCP command "SET STREAMS" to globally alter the maximum
886          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
887          which will be triggered respectively
888        - bugfix: retry if "select" returns EINTR (this fixes a crash when
889          a gigedit file dialog is opened)
890        - close all connections when LSCPServer is deleted
891        - hard close of all sockets on exit
892        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
893          driver
894    
895      * Bug fixes:
896        - fixed a crash which occurs when removing a sampler channel waiting
897          to start instrument loading after another channel
898        - fixed a crash which occurs when removing a sampler channel with
899          instrument loading in progress (bug #113)
900        - fixed termination caused by uncaught exception when adding MIDI
901          instrument with PERSISTENT load mode
902        - fixed possible iterator invalidations when resetting the sampler
903        - fixed memory leaks when issuing the following LSCP commands:
904          GET AUDIO_OUTPUT_DRIVER INFO
905          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
906          GET MIDI_INPUT_DRIVER INFO
907          GET MIDI_INPUT_DRIVER_PARAMETER INFO
908        - fixed possible compilation error when sqlite is not present
909        - fixed orphaned pointers when setting maximum voices limit (bug #118)
910        - fixed crash when changing the audio output device of a sampler
911          channel with loaded instrument and start playing notes
912        - fixed endless loop in Engine::SuspendAll() (bug #120)
913        - fixed a low-level atomic load function that was broken on 64-bit
914          PowerPC, which probably could cause crashes on that platform
915        - fixed a memory management error which could cause a crash when a
916          plugin was unloaded
917        - bugfix: two private structs had the same name, which could cause
918          problems if the linker chose the wrong constructor
919        - fixed low-level ConditionServer usage bug that caused lockups on
920          Windows
921    
922    
923    Version 0.5.1 (6 December 2007)
924    
925      * packaging changes:
926        - added autoconf checks for pthread library
927        - added autoconf check for pthread bug found on certain NPTL-enabled
928          glibc versions (see Gentoo bug report #194076)
929        - added autoconf checks for MS Windows
930    
931      * general changes:
932        - bugfix: the thread used by an editor plugin didn't die when the
933          editor closed
934        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
935          out all the space. operator--() did not apply size_mask after
936          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
937          order to avoid problems with the _NonVolatileReader functions.
938        - bugfix: Stream.h: added a missing divide by BytesPerSample in
939          GetWriteSpace(). Since this function is currently only used in
940          the stream's qsort() compare function, it didn't trigger any
941          bugs.
942        - Resampler.h, Synthesizer.h: cubic interpolation now works in
943          24bit mode too. Faster method to read 24bit words on little
944          endian machines (x86): replaced 3 byte reads + shifts with a 1
945          unaligned 32bit read and shift
946        - experimental support for MS Windows (MIDI input via MME, AUDIO
947          output via ASIO)
948        - made handling of SIGINT signal (Ctrl-C) a bit more robust
949        - support for monitoring the total number of active disk streams
950          (new LSCP commands: GET TOTAL_STREAM_COUNT,
951          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
952    
953      * AUDIO driver:
954        - added Windows ASIO low latency audio driver
955    
956      * MIDI driver:
957        - added MME Windows MIDI driver
958    
959      * LSCP server:
960        - added support for Windows style path / filenames, however with
961          forward slash path separators instead of backslash
962          (i.e. "C:/foo/bar.gig")
963        - allow naughty liblscp to send non-string device parameters within
964          apostrophes as well
965        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
966          "LIST FILE INSTRUMENTS <file>" and
967          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
968          about an arbitrary instrument file on the system where the sampler is
969          running on
970    
971    Version 0.5.0 (15 October 2007)
972    
973      * packaging changes:
974        - config.h is not going to be installed along with liblinuxsampler's
975          API header files anymore
976        - only the API relevant header (and source) files will be exported to
977          the Doxygen API documentation (explicitly listed in Doxyfile.in)
978        - added completely new XCode project files for Mac OSX which is now
979          capable to execute our autoconf environment, thus no need anymore
980          to maintain the compile time configuration file (osx/version.h) for
981          OSX manually (patch by Toshi Nagata)
982        - fixed buggy boolean --enable-foo / --disable-foo configure script
983          parameters
984        - global.h now only covers global definitions that are needed for the
985          C++ API header files, all implementation internal global definitions
986          are now in global_private.h
987        - atomic.h is not exposed to the C++ API anymore
988        - no need to include config.h anymore for using LS's API header files
989        - fixed warnings in API doc generation
990    
991      * general changes:
992        - replaced the old, confusing MIDI program change mechanism by a
993          flexible MIDI instrument mapper which allows to map arbitrary
994          (MIDI bank, MIDI program) pairs with arbitrary
995          (engine type, instrument file, file index) triplets which will be
996          loaded on the respective channel when such MIDI program change
997          messages arrive, beside that, each entry allows to define a life-time
998          strategy for the instrument, so the user can define whether the
999          instrument should i.e. be permanently loaded (to be able to switch
1000          quickly among sounds) or i.e. loaded just on demand when the
1001          respective program change arrives (to safe RAM space), as well as a
1002          global volume factor for each entry, so the user can adjust the volume
1003          dynamic of his mapped instrument collection without having to modify
1004          the instrument files, also one can manage arbitrary amount of such
1005          MIDI instrument maps and assign each sampler channel individually
1006          a certain map, so that i.e. separation of normal instruments and
1007          drumkits is possible
1008        - new notification events for tracking changes to audio/MIDI devices,
1009          MIDI instrument maps, MIDI instruments, FX sends, global volume.
1010        - sampler was limited to load max. 200 instruments in the background
1011          due to a constant size RingBuffer FIFO which is now replaced by a
1012          dynamic (unlimited) size std::list FIFO
1013        - added FX sends, these allow to route audio signals to arbitrary audio
1014          output channels for being processed by external effect processors
1015          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
1016          controllers
1017        - global (sampler wide) volume can now be controlled at runtime
1018        - Implemented new, improved notification system
1019        - fixed compilation errors regarding OSX
1020          (patch by Toshi Nagata)
1021        - implemented instruments database
1022        - added support for escape sequences to the instruments database
1023        - added highly experimental support for on-the-fly instrument editing
1024          within the sampler's process (by using instrument editor plugins),
1025          you'll notice the new "Registered instrument editors:" message on
1026          startup, added a new LSCP command:
1027          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
1028          to spawn a matching instrument editor for the instrument on the
1029          given sampler channel, the plugin path can be overridden at compile
1030          time with ./configure --enable-plugin-dir=/some/dir
1031        - added experimental code for synchronizing instrument editors hosted
1032          in the sampler's process to safely edit instruments while playing
1033          without a crash (hopefully) by either suspending single regions
1034          wherever possible or if unavoidable whole engine(s)
1035        - fixed several issues in fundamental "Thread" class: set scheduling
1036          policy and priority on thread level, set a minimum stack size for
1037          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
1038          threads simply inherited properties of starting thread instead of
1039          setting their own policy and priority
1040        - minor fix in our automatic stack trace mechanism on crashes, the
1041          main process did not wait for the stack trace process to finish
1042          its output
1043        - fixed some minor memory leaks
1044        - reenabled assembly features support, at the moment only for
1045          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
1046        - minor assembly fix in x86 features detection (don't use the PIC
1047          register, to avoid relocations in the text segment at runtime)
1048        - POSIX callback functions of Thread.h are hidden
1049    
1050      * MIDI driver:
1051        - dispatch bank select (MSB and LSB) messages
1052    
1053      * audio driver:
1054        - the ALSA audio output driver parameters now reflect the correct
1055          parameter value ranges for the respective selected sound card
1056          (patch by Till Wimmer, a bit fixed and extended)
1057    
1058      * Gigasampler format engine:
1059        - if a filter is used and EG2 finishes before EG1, let the voice
1060          die when EG2 has finished (this fixes a problem with clicks and
1061          voice starvation for some gigs)
1062        - playback is no longer disabled during instrument loading
1063        - all notes playing on a channel that changes its instrument keep
1064          playing with the old instrument until they get a note off
1065          command
1066        - EG fix: a release value of zero could cause noises or crash
1067        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
1068        - EG fine tuning: when attack is zero the EG starts at a level
1069          above max sustain level, which means that there is a decay phase
1070          even if sustain is 100%
1071        - more EG fixes: the level could sometimes go below zero and cause
1072          noises or crashes
1073        - minor fix of EGDecay (patch by Toshi Nagata)
1074        - fixed compiler error when --enable-override-filter-type was
1075          supplied to the configure script (fixes #46)
1076        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1077          instead of a fix value
1078        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1079          127 (solo mode) only kill voices if the respective mode really
1080          changed
1081    
1082      * LSCP server:
1083        - fixed compile time error for old Bison versions
1084          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1085        - parser now supports extended ASCII character set
1086          (up to ASCII code 255, i.e. includes now umlauts and accents)
1087        - filename arguments in LSCP commands now allow to use escape
1088          sequences, that is directly literal as one of: \', \", \\, \n, \r,
1089          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1090          code value like \xf2) (fixes bug #24)
1091        - the following LSCP commands now also support escape sequences for at
1092          least one of their text-based parameters (i.e. name, description):
1093          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1094          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1095          "SET DB_INSTRUMENT_DIRECTORY NAME",
1096          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1097          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1098          "FIND DB_INSTRUMENT_DIRECTORIES"
1099        - returns verbose syntax errors (line and column where syntax error
1100          occured, the unexpected character and the actually expected, possible
1101          character(s), the latter only if less than 5 possibilities)
1102        - made sure that LSCP syntax is not affected by gigedit locale
1103          settings
1104        - bugfix regarding strings parameter lists: all comma separated lists
1105          of strings were treated as being one string containing commas
1106          (fixes #57)
1107    
1108      * Bug fixes:
1109        - fixed crash occurring on certain LSCP scripts (Bug 39)
1110        - another thread safety fix for lscp "load engine" and "set
1111          channel audio output device"
1112        - fixed a crash which occurs when reassigning the same engine
1113          on a sampler channel with connected MIDI device
1114        - fixed a crash which occurs when changing the number of ports of a MIDI
1115          device connected to a sampler channel to number less then or equal
1116          to the index of the port to which the sampler channel is connected.
1117        - The previous bindings were not been disconnected when altering
1118          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1119          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1120        - The active stream/voice count statistic was incorrect.
1121        - notification events were not been sent for some sampler
1122          channel changes
1123        - added default min and max values to restrict the number of allowed
1124          audio output channels and MIDI input ports
1125        - the connection to the PCM interface is now closed when destroying
1126          an audio output device
1127        - files with slash in their path or filename could not be loaded
1128    
1129      * test cases:
1130        - updated and fixed (haven't been touched in a while)
1131    
1132    Version 0.4.0 (24 November 2006)
1133    
1134    * packaging changes:    * packaging changes:
1135      - changed deprecated copyright attribute to license; added ldconfig      - changed deprecated copyright attribute to license; added ldconfig
# Line 19  Version CVS HEAD (?) Line 1150  Version CVS HEAD (?)
1150        messages        messages
1151      - added compile time options to allow disabling the various audio and      - added compile time options to allow disabling the various audio and
1152        MIDI drivers        MIDI drivers
1153        - fixed automatic GCC CPU switch detection on PPC
1154          (patch by Ebrahim Mayat)
1155    
1156    * Gigasampler format engine:    * Gigasampler format engine:
1157      - extensive synthesis optimization      - extensive synthesis optimization
# Line 61  Version CVS HEAD (?) Line 1194  Version CVS HEAD (?)
1194      - reimplementation of the filter algorithm. The new filter is more      - reimplementation of the filter algorithm. The new filter is more
1195        accurate and supports all gig filter types, including bandreject        accurate and supports all gig filter types, including bandreject
1196        and lowpass turbo.        and lowpass turbo.
1197        - real support for 24 bit samples - samples are not truncated to
1198          16 bits anymore
1199        - support for aftertouch (channel pressure, not polyphonic
1200          aftertouch)
1201        - LFO1 behaviour fixed (dampening from max volume instead of
1202          amplifying from 0)
1203    
1204    * LSCP server:    * LSCP server:
1205      - fixed application exit on broken pipe error (fixes bug #20)      - fixed application exit on broken pipe error (fixes bug #20)
# Line 75  Version CVS HEAD (?) Line 1214  Version CVS HEAD (?)
1214    * MIDI driver:    * MIDI driver:
1215      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
1216        messages several times instead of once        messages several times instead of once
1217        - API extension for MIDI drivers which already supply exact time stamps
1218          for events (i.e. for offline rendering based MIDI drivers)
1219        - added checks for bad MIDI data
1220    
1221    * linuxsampler application:    * linuxsampler application:
1222      - show available sampler engine types on startup      - show available sampler engine types on startup
# Line 94  Version CVS HEAD (?) Line 1236  Version CVS HEAD (?)
1236      - fixed some memory management errors      - fixed some memory management errors
1237      - fixed some concurrency problems that could lead to crashes when      - fixed some concurrency problems that could lead to crashes when
1238        LSCP commands were executed        LSCP commands were executed
1239        - fixed crash when instrument loading failed previously on the same
1240          sampler channel (fixes bug #36)
1241    
1242  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
1243    

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