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revision 959 by iliev, Thu Nov 30 10:38:16 2006 UTC revision 3076 by schoenebeck, Thu Jan 5 18:00:52 2017 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * SFZ format engine:
4        - added support for <global>, <master> and #define (patch by Alby M)
5    
6      * Gigasampler format engine:
7        - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
8          cutoff settings.
9    
10      * general changes:
11        - fixed printf type errors (mostly in debug messages)
12        - use unique_ptr instead of auto_ptr when building with C++11
13        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
14          allowing to sort data efficiently in real-time safe manner.
15        - RTList class: added methods for moving/inserting elements to arbitrary
16          position within a list.
17        - RTList class: added method fromPtr() for creating an Iterator object from
18          a raw element pointer.
19        - Attempt to partly fix resetting engine channels vs. resetting engine, an
20          overall cleanup of the Reset*(), ConnectAudioDevice(),
21          DisconnectAudioDevice() API methods would still be desirable though,
22          because the current situation is still inconsistent and error prone.
23        - Active voices are now internally grouped to "Note" objects, instead of
24          being directly assigned to a keyboard key. This allows more fine graded
25          processing of voices, which is i.e. required for certain instrument
26          script features.
27        - Fix: Release trigger voices were not spawned on sustain pedal up
28          (CC #64) events.
29        - Fix: Release trigger voices can now also distinguish correctly between
30          note-off and sustain pedal up events.
31        - All engines: Increased ramp speed of volume smoother and pan smoother
32          (while slow rate of crossfade smoother is preserved) to allow quick
33          volume and pan changes by instrument scripts for instance.
34        - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
35          properly and thus were ignored for certain uses.
36        - Added new C++ API method
37          VirtualMidiDevice::SendChannelPressureToSampler().
38        - windows, 32-bit: fixed potential crashes by making sure the stack in
39          sub threads is 16-byte aligned
40        - fixed numerous compiler warnings
41    
42      * packaging changes:
43        - removed unnecessary dependency to libuuid
44          (originated by libgig's usage of it)
45        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
46          auto detect whether it (sh/c)ould output its messages in color.
47    
48      * Real-time instrument scripts:
49        - Implemented scheduler for delayed MIDI events and for suspended scripts.
50        - Built-in script function "wait()": implemented support for function's
51          "duration-us" argument, thus scripts using this function are now
52          correctly resumed after the requested amount of microseconds.
53        - Built-in script function "play_note()": implemented support for
54          function's "duration-us" argument, thus notes triggered with this
55          argument are now correctly released after the requested amount of
56          microseconds.
57        - Fix: script events were not cleared when engine channel was reset,
58          potentially causing undefined behavior.
59        - Fixed crash which happened when trying to reference an undeclared
60          variable.
61        - Built-in script function "play_note()": Added support for passing
62          special value -1 for "duration-us" argument, which will cause the
63          triggered note to be released once the original note was released.
64        - Instrument script classes now exported with the liblinuxsampler C++ API.
65        - Added new API method ScriptVM::syntaxHighlighting() which provides
66          a convenient syntax highlighting backend for external instrument
67          script editor applications.
68        - Added new C++ API class "ScriptVMFactory".
69        - Extended parser issues to provide not only first line and first
70          column, but also last line and last column of issue (thus marking
71          the precise span of the issue within the source code).
72        - Reload script automatically after being modified by an instrument
73          editor.
74        - NKSP language grammar correction: allow empty event handler bodies
75          like "on note end on".
76        - Implemented built-in script function "change_vol()".
77        - Implemented built-in script function "change_tune()".
78        - Implemented built-in script function "change_pan()".
79        - Implemented built-in script function "change_cutoff()".
80        - Implemented built-in script function "change_reso()".
81        - Implemented built-in script function "event_status()".
82        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
83          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
84          "event_status()" function.
85        - NKSP language: Added support for bitwise operators ".or.", ".and."
86          and ".not.".
87        - NKSP language scanner: Fixed IDs matching to require at least one
88          character (i.e. when matching function names or variable names).
89        - NKSP language scanner: disabled unusued rules.
90        - Fixed behavior of play_note() and note_off() functions which must
91          be distinguished engine internally from "real" MIDI note on/off
92          events in order to avoid misbehaviors like hanging notes.
93        - Implemented built-in script variable "$KSP_TIMER".
94        - Implemented built-in script variable "$NKSP_REAL_TIMER".
95        - Implemented built-in script variable "$NKSP_PERF_TIMER".
96        - Implemented built-in script variable "$ENGINE_UPTIME".
97        - Implemented built-in script function "inc()".
98        - Implemented built-in script function "dec()".
99        - NKSP language fix: division expressions were evaluated too often.
100        - NKSP language fix: string concatenation operator was right
101          associative instead of left (to right).
102        - NKSP language correction: allow empty statements in entire language
103          (i.e. "if end if").
104        - Implemented built-in script function "stop_wait()".
105        - Implemented built-in script variable "$NI_CALLBACK_ID".
106        - Implemented built-in script variable "$NI_CALLBACK_TYPE".
107        - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
108        - Added support for read-only built-in variables (respectively
109          handled by the script parser).
110        - Added built-in script constant "$NI_CB_TYPE_INIT".
111        - Added built-in script constant "$NI_CB_TYPE_NOTE".
112        - Added built-in script constant "$NI_CB_TYPE_RELEASE".
113        - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
114        - NKSP Language: Added support for user defined script functions.
115        - Implemented built-in script function "change_attack()".
116        - Implemented built-in script function "change_decay()".
117        - Implemented built-in script function "change_release()".
118        - Fixed all change_*() built-in script functions to apply their
119          synthesis parameter changes immediately in case the respective note
120          was triggered at the same time, instead of scheduling the parameter
121          change, especially because it would cause some parameter types's
122          changes either to be ramped (i.e. change_vol()) or other types even
123          to have not effect at all (i.e. change_attack()).
124        - Implemented built-in script function "sh_left()".
125        - Implemented built-in script function "sh_right()".
126        - Implemented built-in script function "min()".
127        - Implemented built-in script function "max()".
128        - NKSP Fix: "init" event handler was not always executed when a script
129          was loaded.
130        - NKSP built-in wait() script function: abort script execution if
131          a negative or zero wait time was passed as argument (since this is
132          a common indication of a bug either of the script or even of the
133          engine, which could lead to RT instability or even worse).
134        - ScriptVM: Implemented automatic suspension of RT safety
135          threatening scripts.
136        - Provide more user friendly error messages on syntax errors.
137        - Fixed NKSP parser warning "Not a statement" when assigning an
138          initializer list to an array variable.
139        - Implemented built-in script array variable "%ALL_EVENTS".
140        - Implemented built-in script function "in_range()".
141    
142      * Instruments DB:
143        - Fixed memory access bug of general DB access code which lead to
144          undefined behavior.
145    
146    Version 2.0.0 (15 July 2015)
147    
148      * packaging changes:
149        - fixed building with newer MinGW-w64
150        - Mac OS X: support the new dir for Core Audio SDK
151        - Mac OS X: fixed building outside source directory
152        - made sure all source files for hostplugins are included when
153          doing "make dist"
154        - removed empty directories left from the cvs to svn migration
155        - fixed compilation with gcc 4.6.1
156        - another "make dist" fix, for the LV2 plugin
157        - made --enable-pthread-testcancel default on Mac OS X
158        - minor Makefile fix for building lscpparser when build and source
159          directories are separate
160        - Mac OS X: made it possible to specify plugin installation dir to
161          configure
162        - Mac OS X: Makefile fix for the install-strip target
163        - fixed compilation with gcc 4.7
164        - fixed configure script error with old autoconf versions
165        - lsatomic.h: use gcc provided atomic functions if building with
166          gcc 4.7 and C++11
167        - modernized configure script
168        - fixed linkage error when building with
169          LDFLAGS="-Wl,--no-undefined" (#190)
170        - fixed compilation with Clang 3.2
171        - removed usage of deprecated Automake variable INCLUDES
172        - fixed building with C++11
173        - build fix: ChangeFlagRelaxed.h was missing in makefile
174        - build fix: libsndfile compiler flags were missing in some
175          makefiles
176        - fix for building with bison 3.0 (#202)
177        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
178          on the process's main thread
179        - fixed build error on newer MinGW
180        - support building with older jack versions
181        - support building with spaces in vst sdk path
182        - enabled automake 'subdir-objects' option and moved external
183          source references (vst, au, asio) from makefiles to cpp files,
184          in order to get rid of warnings from automake 1.14
185    
186      * general changes:
187        - Refactoring: moved the independent code from
188          the Gigasampler format engine to base classes
189        - command line option '--profile' is currently disabled, since the
190          respective profiling code is currently broken
191        - Introduced support for optional environment variable
192          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
193          where the sampler shall look for instrument editor plugins
194          (patch by Luis Garrido, slightly modified).
195        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
196        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
197        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
198          note (in this implementation of the sampler its simply hard routed to
199          the 1st effect send of the sampler channel, no matter what the actual
200          effect type is)
201        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
202          note (in this implementation of the sampler its simply hard routed to
203          the 2nd effect send of the sampler channel, no matter what the actual
204          effect type is)
205        - implemented support for internal LADSPA effects
206        - raised limit of program change queue from 100 to 512
207          (as suggested by Alex Stone)
208        - implemented sine LFO, pulse LFO and saw LFO
209        - experimental support for per voice equalization
210        - added command line option --exec-after-init
211        - Introduced new C++ API method:
212          EngineChannel::InstrumentFileName(int index)
213          allowing to retrieve the whole list of files used for the loaded
214          instrument on an engine channel (a.k.a. part). Some GigaStudio
215          instruments for example are splitted over several files like
216          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
217        - Added new C++ API method Sampler::GetGlobalMaxVoices().
218        - Added new C++ API method Sampler::GetGlobalMaxStreams().
219        - Added new C++ API method Sampler::SetGlobalMaxVoices().
220        - Added new C++ API method Sampler::SetGlobalMaxStreams().
221        - Various "const" and "restrict" optimizations.
222        - all engines: add pan CC value to instrument pan parameter before
223          applying panning, instead of using two separate pan functions in
224          series (#182)
225        - added a lock guard class for exception safe mutex handling and
226          used it everywhere appropriate
227        - Immediately apply scale tuning changes to active voices.
228        - Exposed scale tuning to C++ API (along to the already existing standard
229          SysEx way).
230        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
231          and broken for ppc64. (Seq_cst loads and stores are actually not
232          used in LS, so the bug wasn't noticable.)
233        - lsatomic.h: added ARMv7 support
234        - Added support for multiple MIDI input ports per sampler channel (and
235          added various new C++ methods for this new feature / design change, old
236          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
237          as deprecated but are still there and should provide full behavior
238          backward compatibility).
239        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
240          unsafe and caused compilation error with clang 2.x).
241        - Bugfix: only process the latest MIDI program change event.
242        - Introducing the LSCP shell, which provides convenient control of the
243          sampler from the command line by providing LSCP aware features.
244        - VirtualMidiDevice: Added support for program change.
245        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
246        - VirtualMidiDevice: Added support for pitch bend.
247        - Aftertouch: extended API to explicitly handle channel pressure and
248          polyphonic key pressure events (so far polyphonic pressure was not
249          supported at all, and channel pressure was rerouted as CC128 but not
250          used so far).
251        - Added initial support for real-time instrument scripts. The script VM
252          code is shared by all sampler engine implemementations, however only the
253          gig file format currently provides support for storing instrument scripts
254          (as LinuxSampler extension to the original GigaStudio 4 format).
255    
256      * Gigasampler format engine:
257        - implemented the "round robin keyboard" dimension
258        - fixed round robin and random dimensions for cases when number of
259          dimension zones is not a power of two
260        - made round robin use a counter for each region instead of each
261          key
262        - bugfix: pitch LFO controller "internal+aftertouch" was broken
263        - bugfix: filter keyboard tracking was broken
264        - filter performance fix (an unnecessary copy was made of the
265          filter parameters in each sub fragment)
266        - handle special case when pan parameter in gig file has max or
267          min value
268        - Exclusive Groups: don't ever stop voices of the same note,
269          doesn't sound naturally with a drumkit
270        - fixed EG1 modulation when attack or release is zero
271        - Fixed support for 'aftertouch' attenuation controller.
272        - Fixed crash that happened with velocity split sounds under certain
273          conditions (see also previous commit on libgig).
274        - fixed behaviour of filter LFO
275    
276      * SFZ format engine:
277        - Initial implementation (not usable yet)
278        - added support for v2 multiple stage envelope generators
279        - added a fine-tuned v1 envelope generator instead of using the
280          one from the gig engine
281        - fixed memory leak and memory handling errors
282        - added support for trigger=first, trigger=legato and sw_previous
283        - allow non-numerical key values ("C#4" for example)
284        - "key" opcode now sets pitch_keycenter too
285        - fixed error when unloading instrument with same sample used by
286          multiple regions
287        - added some opcode aliases, like loopmode for loop_mode, to be
288          more compatible
289        - added support for trigger=release and rt_decay
290        - added support for off_mode=normal
291        - added support for random, seq_position, seq_length and volume
292        - added v1 LFO opcodes to parser (no support in engine yet)
293        - added support for amp_veltrack and amp_velcurve_N
294        - fine-tuned the default velocity curve
295        - added support for transpose
296        - fixed crash when using sw_down/up
297        - improved logic for sw_lokey/hikey/up/down/last
298        - added more v1 aliases to parser
299        - reduced memory usage for sfz data
300        - RT-safeness: avoid malloc in audio thread
301        - fixed a bug that could cause voice stealing to fail
302        - optimized sample lookup
303        - improved support for exclusive groups (group, off_by and
304          off_mode)
305        - added support for controller triggered regions (on_locc/on_hicc)
306        - added support for loop_mode=one_shot
307        - fixed playback of 16 bit wav files on big endian CPUs
308        - added support for Ogg Vorbis sample files
309        - use loop markers from sample file if loop_start and loop_end are
310          not set in sfz file
311        - implemeted filters. Filter types: lowpass, bandpass, bandreject
312          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
313          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
314          cutoff_cc, cutoff_chanaft.
315        - bugfix: zero ampeg_sustain didn't work
316        - added support for velocity effect on amplifier envelope time
317          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
318          ampeg_vel2release)
319        - added support for EG hold (ampeg_hold)
320        - added support for sample offset (offset)
321        - use the newly introduced signal units model
322        - implemented opcodes lfoN_delay,
323          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
324        - implemented opcodes ampeg_delay, ampeg_vel2delay
325          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
326          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
327          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
328          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
329        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
330          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
331          amplfo_delay, amplfo_freq, amplfo_depth
332        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
333          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
334          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
335          fileg_vel2release
336        - implemented opcode lfoN_wave
337        - implemented opcode pitchlfo_depthccN
338        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
339          lfoN_pitch, lfoN_pitch_onccX
340        - implemented opcodes pitchlfo_fade,
341          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
342        - implemented opcodes fillfo_freqccN,
343          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
344        - implemented opcodes ampeg_delayccN, ampeg_startccN,
345          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
346          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
347        - lfoN_* and egN_* opcodes defined in group sections
348          are now taken into account
349        - implemented curves
350        - implemented opcodes volume_onccN, volume_curveccN
351        - implemented opcode volume_smoothccN
352        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
353          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
354          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
355          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
356          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
357        - implemented opcode end
358        - implemented opcodes egN_amplitude_onccX,
359          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
360          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
361        - implemented opcodes xfin_lokey, xfin_hikey,
362          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
363          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
364          xfout_loccN, xfout_hiccN, xf_cccurve
365        - implemented opcodes pan_onccN, pan_smoothccN,
366          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
367          egN_pan_curveccX, pitch_veltrack
368        - when failed to parse a sfz file
369          print the line number on which the error occurs
370        - use common pool of CC objects to minimize RAM usage
371        - implemented opcodes amplfo_delay_onccN,
372          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
373          pitchlfo_delay_onccN, pitchlfo_fade_onccN
374        - implemented opcodes fileg_delay_onccN,
375          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
376          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
377          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
378          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
379          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
380        - implemented automatic aliasing *ccN <-> *_onccN
381        - *lfo_freqccN wasn't working when the respective *lfo_freq
382          was not set or was set to zero
383        - lfoN_freq_onccX wasn't working when lfoN_freq
384          was not set or was set to zero
385        - implemented opcodes resonance_onccN, resonance_smoothccN,
386          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
387        - implemented opcodes fillfo_depthchanaft,
388          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
389          pitchlfo_depthchanaft, pitchlfo_freqchanaft
390        - implemented opcodes pitch_onccN,
391          pitch_curveccN, pitch_smoothccN, pitch_stepccN
392        - implemented opcodes volume_stepccN, pan_stepccN,
393          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
394          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
395          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
396        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
397          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
398          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
399          eq1_gainccN, eq2_gainccN, eq3_gainccN
400        - implemented opcodes delay, delay_onccN, delay_random,
401          delay_samples, delay_samples_onccN
402        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
403          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
404          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
405          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
406          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
407          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
408          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
409          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
410          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
411          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
412          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
413          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
414          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
415          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
416          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
417        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
418          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
419        - sfz parser: allow double spaces in sample filenames
420        - sfz parser: allow absolute paths for sample filenames
421        - use linear decay and release for filter and pitch EG
422        - bugfix: only the first amp_veltrack definition in a file was
423          used
424        - bugfix: looping was disabled if loop_start was set to 0
425        - allow regions with end=-1 to turn off other regions using the
426          group and off_by opcodes (#168)
427        - made end=0 play the whole sample
428        - fixed support for lochan and hichan opcodes (#155)
429        - fixed crash when using lochan/hichan opcodes (#187)
430        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
431        - added FLAC support (#191)
432        - sfz parser bugfix: lines starting with whitespace were ignored
433        - added amplitude opcode
434        - added support for "#include" instruction
435          (modified patch which was originally posted by Sergey on LS mailing list)
436        - bugfix: generation of velocity curves etc should not be done
437          after each "#include", only after the main file is parsed
438        - bugfix: line numbers in error messages were wrong after "#include"
439        - added support for float and 32 bit sample files
440    
441      * SoundFont format engine:
442        - Initial implementation (not usable yet)
443        - RT-safeness: avoid malloc in audio thread
444        - fixed a bug that could cause voice stealing to fail
445        - fine-tuned amplitude EG (by switching from gig to sfz EG)
446        - initial implementation of Vibrato LFO and Modulation LFO
447        - initial implementation of cutoff filter
448        - use linear decay and release for filter and pitch EG
449    
450      * Host plugins (VST, AU, LV2, DSSI):
451        - AU bugfix: failed to destroy its audio/MIDI devices
452        - Listen to all interfaces on Mac OS X (INADDR_ANY)
453        - VST bugfix: If the host called resume() before and after
454          changing sample rate or block size, the number of channels was
455          incorrectly set to two. This caused silence in Cubase 5.
456        - save engine type (gig, sfz or sf2) in plugin state
457        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
458          64 bit Windows
459        - AU: changed number of output channels from one stereo to 16
460          stereo
461        - VST: made it possible to build the VST plugin for Mac
462        - AU: link AU plugin dynamically if --disable-shared isn't
463          specified
464        - LV2 "state" extension support (patch by David Robillard)
465        - VST bugfix: instrument loading hang and crashed the host when
466          the plugin was loaded a second time (#174)
467        - plugin bugfix: instrument loading hang when the plugin was
468          loaded a second time (this time it's for Linux and Mac, previous
469          similar fix was for Windows)
470        - thread safety fixes for the instrument loading thread
471        - LV2: use the new lv2 package if present
472        - VST: try to open Fantasia automatically on Linux and Mac too (on
473          Linux, the Fantasia jar should be placed in <prefix>/share/java)
474        - VST: fixed crashes on Linux Ardour and EnergyXT
475        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
476          port and audio channel routing for DSSI plugins are now visible.
477        - LV2: use urid and atom extensions instead of deprecated uri-map
478          and event
479        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
480        - LV2: changed number of output channels to 16 stereo, just like
481          the VST and AU plugins
482        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
483        - LV2: made LV2 plugin buildable on Windows and Mac
484        - VST: implemented retrieval and switching of programs using the
485          sampler's internal MIDI instrument mapping system
486    
487      * Instrument editor interface:
488        - Changed instrument editor plugin interface, providing additional
489          informations like the EngineChannel for which the instrument editor was
490          spawned for. This allows the instrument editors to interact more actively
491          with the sampler.
492    
493      * MIDI driver:
494        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
495          the ALSA sequencer client name
496        - removed limit of maximum amount of MIDI ports per MIDI device, since
497          there is no reason for this limit
498        - MME: fixed memory handling bug found with cppcheck
499        - MME: removed compiler warning
500        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
501          which allows to retrieve the list of CoreMIDI clients / ports and to connect
502          to them a la JACK, via the usual sampler APIs
503        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
504          the driver will automatically connect to other CoreMIDI clients' ports
505          (e.g. external MIDI devices being attached to the Mac)
506        - added support for MIDI note on velocity filter
507        - CoreMIDI: fixed memory deallocation error
508        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
509          virtual keyboards in frontends / instrument editors being stuck.
510        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
511        - Implemented missing handling of MIDI "running status".
512        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
513        - MME bugfix: driver wasn't closed properly
514        - CoreMIDI: automatically connect to all input sources by default (driver
515          parameter "AUTO_BIND").
516        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
517        - CoreMIDI: fixed minor memory leak
518    
519      * audio driver:
520        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
521        - JACK audio: react on sample rate changes.
522        - JACK audio: react on buffer size changes.
523        - JACK audio: jack_port_get_buffer() was cached and called outside
524          RT context.
525        - ASIO driver: removed compiler warnings
526        - CoreAudio: fixed minor error handling bug
527        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
528        - JACK audio: return the JACK server's current sample rate as default value
529          for audio device parameter "SAMPLERATE" (fixes #166).
530    
531      * LSCP server:
532        - added support for sending MIDI CC messages via LSCP command
533          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
534        - added LSCP command "GET AVAILABLE_EFFECTS"
535        - added LSCP command "LIST AVAILABLE_EFFECTS"
536        - added LSCP command "GET EFFECT INFO <effect-index>"
537        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
538        - added LSCP command
539          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
540        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
541        - added LSCP command "GET EFFECT_INSTANCES"
542        - added LSCP command "LIST EFFECT_INSTANCES"
543        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
544        - added LSCP command
545          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
546        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
547          <effect-instance> <input-control> <value>"
548        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
549        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
550        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
551        - added LSCP command
552          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
553        - added LSCP command
554          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
555        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
556          <effect-chain> <effect-instance>"
557        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
558          <effect-chain> <effect-chain-pos> <effect-instance>"
559        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
560          <effect-chain> <chain-pos>"
561        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
562          <fx_send_id> <effect_chain> <chain_pos>"
563        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
564        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
565          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
566          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
567        - provide comprehensive error messages on LSCP syntax errors
568          (suggesting expected next non-terminal symbols)
569        - Fixed client connection not being closed after network errors.
570    
571      * LSCP shell:
572        - Added support for auto correction of obvious and trivial syntax mistakes.
573        - Added support for auto completion by tab key.
574        - Show currently available auto completion while typing.
575        - Added support for browsing command history with up / down keys.
576        - Show all possible next symbols immediately right to the current command
577          line while typing (no double tab required for this feature, as it would
578          be the case in other shells).
579        - Added support for moving cursor left/right with arrow keys.
580        - Added support for built-in LSCP reference documentation, which will
581          automatically show the relevant LSCP reference section on screen as soon
582          as one specific LSCP command was detected while typing on the command
583          line.
584    
585      * Real-time instrument scripts:
586        - Implemented built-in script array variable %CC.
587        - Implemented built-in script int variable $CC_NUM.
588        - Implemented built-in script int variable $EVENT_NOTE.
589        - Implemented built-in script int variable $EVENT_VELOCITY.
590        - Implemented built-in script constant variable $VCC_MONO_AT.
591        - Implemented built-in script constant variable $VCC_PITCH_BEND.
592        - Implemented execution of script event handler "init".
593        - Implemented execution of script event handler "controller".
594        - Implemented execution of script event handler "note".
595        - Implemented execution of script event handler "release".
596        - Implemented built-in script function "play_note()" (only two of the
597          max. four function arguments are currently implemented yet though).
598        - Implemented built-in script int variable $EVENT_ID.
599        - Implemented built-in script function "ignore_event()"
600        - Implemented built-in script function "ignore_controller()" (may have one
601          or no argument).
602        - Implemented built-in script function "set_controller()".
603        - Added extended script VM for the Gigasampler/GigaStudio format sampler
604          engine, which extends the general instrument script VM with Giga format
605          specific variables and functions.
606        - Giga format scripts: added built-in script int constant variables
607          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
608          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
609          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
610          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
611          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
612          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
613          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
614          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
615          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
616          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
617        - Giga format scripts: Implemented built-in script function
618          "gig_set_dim_zone(event_id, dimension, zone)".
619        - Implemented built-in script int array variable $KEY_DOWN.
620        - Implemented built-in script function "abs()".
621        - Implemented built-in script function "random()".
622        - Implemented built-in script function "num_elements()".
623        - Implemented built-in script function "note_off()".
624        - Implemented built-in script function "set_event_mark()".
625        - Implemented built-in script function "delete_event_mark()".
626        - Implemented built-in script function "by_marks()".
627        - Added built-in script int const variables $MARK_1 to $MARK_28.
628        - Built-in script functions "ignore_event()", "note_off()" and
629          "gig_set_dim_zone()" now also accept an array of event IDs as argument
630          (i.e. return value of new script function "by_marks()").
631        - Pass/preserve polyphonic variable data from respective "note" event
632          handler to "release" event handler.
633        - Fixed crash when using built-in script function "by_marks()".
634    
635      * Bug fixes:
636        - Fixed crash which may occur when MIDI key + transpose is out of range
637        - minor valgrind fixes
638        - fixed crash which occurred when changing an already deployed sampler
639          channel to a different engine type
640        - fixed crash when deleting a sampler channel or changing engine
641          type while an instrument load was in progress
642        - bugfix: playing a note while changing the instrument could cause
643          a crash, or give "Handing back unknown region" error messages
644        - bugfix: calling SET VOICES (which Fantasia does on start and
645          refresh) could cause instruments to be unloaded
646        - Mac OS X: fixed name collision of enum in EffectControl and
647          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
648        - Mac OS X: fixed hanging threads
649        - Windows: disabled the previous thread fix on non-Mac systems, as
650          it caused hanging threads on Windows
651        - Fixed possible crashes due to corrupted MIDI/audio device list
652          after MIDI/audio device creation failure
653        - When creating MIDI instrument map entries with "PERSISTENT" type, the
654          instruments were uselessly precached with zero samples, however it still
655          took the full preloading time and on 1st program change the respective
656          instrument was completely reloaded again.
657        - fixed handling of rapid bank select and program change messages
658          sent to the same sampler channel (patch from the Open Octave
659          project, slightly adjusted)
660        - fixed crash when trying to create an effect instance with controls
661          which min and/or max values depend on the sample rate
662        - fixed bug #162
663        - bugfix: LADSPA_PATH was not evaluated correctly when containing
664          multiple paths (#165)
665        - thread safety fixes for the instrument loading thread
666        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
667          (#176)
668        - more thread safety fixes for the instrument loading thread
669        - sfz/sf2 engine: fixed crash when using small audio fragment size
670        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
671        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
672          introduced in previous fix)
673        - fixed crash when a channel received a program change while
674          playing a note in a key group
675        - fixed erroneous error message piping in VoiceBase.h
676          (labelled "Disk stream not available in time")
677        - Update effects on sample rate & period size changes (to avoid
678          crashes and noise on such transitions).
679        - ignore missing LADSPA paths without ignoring valid LADSPA paths
680          (fixes #208)
681        - Fixed bug in LSCP grammar definition which caused a statement like
682          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
683          practically irrelevant, however it caused problems with the new LSCP
684          shell's auto completion feature).
685        - Fixed MIDI program change messages being ignored if quickly executed
686          after each other (fixes #231).
687    
688    Version 1.0.0 (31 July 2009)
689    
690      * packaging changes:
691        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
692          causing e.g. the libgig test to fail when
693          "./configure --disable-jack-driver" was used
694          (patch by Alexis Ballier)
695        - fixed compilation with gcc 4.3
696        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
697        - fixed configure so it detects x86_64 (#107)
698        - fixes for building with newer MinGW versions
699        - fix for building with bison 2.4 (#111)
700        - fixed building with libgig installed in a non-standard directory
701        - minor fix in configure for mmsystem.h detection on MinGW
702        - Windows: look for editor plugins and Fantasia using base
703          directory of liblinuxsampler dll (look in the same directory and one
704          directory above)
705        - configure script fix: removed unconditional use of SSE
706        - fixed building with sqlite installed in a non-standard directory
707        - when cross-compiling, don't try to create instruments.db
708        - fix for new mingw-w64 version, which has usleep
709    
710      * general changes:
711        - bugfix: on some POSIX systems instrument editor plugins refused to
712          load as we used a non-portable Linux specific struct field
713          (fixes bug #70, patch by Ronald Baljeu)
714        - fixed endless loop which occured when loading an instrument editor
715          plugin DLL on Windows systems failed
716        - fixed memory leaks that occurred when liblinuxsampler was unloaded
717        - optimized the SynchronizedConfig class so it doesn't wait
718          unnecessarily long after an update
719        - added support for notifying instrument editors on note-on / note-off
720          events (e.g. to highlight the pressed keys on the virtual keyboard
721          of gigedit)
722        - added support for triggering notes by instrument editors (see above)
723        - be verbose on DLL load errors (on Linux)
724        - fixed di-harmonic triangle LFO implementation (this LFO implementation
725          is only used by very few systems, most pick the int math
726          implementation, which is usually faster)
727        - fixes for audio drivers with varying buffer sizes
728        - experimental support for running LinuxSampler as a DSSI, LV2 and
729          VST plugin
730        - notification events for stream/voice count statistics are now sent
731          only when there are actual changes
732        - added memory ordering constraints to improve stability on
733          multi-core and multi-cpu systems
734        - maximum voices and disk streams can now be altered at runtime
735        - fixed CPU feature detection on x86_64 (maybe fixes #108)
736        - automatic stacktrace mechanism is now turned off by default and can
737          be switched on by command line option "--stacktrace" (the automatic
738          stacktrace mechanism seems to be broken on most systems at the moment)
739        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
740          a pointer to the launched InstrumentEditor object
741        - added optional 3rd party user data parameter for following
742          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
743          InstrumentEditor::Launch(),
744          InstrumentManager::LaunchInstrumentEditor()
745        - theoretical fix: made SynchronizedConfig follow C++0x memory
746          model more strictly
747        - fixes for using large audio device buffers
748        - Windows: add the installation directory to the DLL search path
749          when loading an editor plugin (solves problems with VST and
750          gigedit on systems with other GTK versions installed)
751        - updated linuxsampler man page
752    
753      * audio driver:
754        - removed the nonsense audio channel constraint (which was hard coded to
755          max. 100 audio channels) for most audio drivers
756        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
757          opposed to the LSCP specs
758        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
759          reflected the wrong value
760        - fixed a memory management bug in ASIO driver
761        - Makefile fix: JACK_CFLAGS wasn't used
762        - JACK: use jack_client_open instead of the deprecated
763          jack_client_new
764        - added (experimental) CoreAudio driver
765        - applied old fixes to the ASIO driver that were included in the
766          previous binary release but accidentally never committed to CVS
767          (fixes #117)
768        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
769          win64)
770        - VST: added support for sample rate and buffer size changes
771        - VST: close editor (Fantasia) when the VST is removed
772        - VST: avoid opening Fantasia more than once for each VST instance
773        - VST: export main function as "main" on Linux too (fix for
774          energyXT)
775        - VST: changed number of output channels from one stereo to 16
776          stereo
777        - added channel routing, fxsends and midi maps to the settings
778          stored in the plugin state
779        - performance optimization of AudioChannel::MixTo() and
780          AudioChannel::CopyTo() methods using GCC vector exensions
781          (if available)
782        - ASIO fixes: avoid initializing the device twice, avoid throwing
783          exception when getting parameters from a disconnected device
784    
785      * MIDI driver:
786        - added JACK MIDI driver
787        - dispatch bank select as ordinary CC as well, the user might seriously
788          want to (mis)use it for some purpose ("fixed" in all current MIDI
789          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
790        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
791          CoreMidi or AU
792        - fixed mingw-w64 compilation error in MME driver
793        - made program change handling in MIDI thread real-time safe by
794          moving the logic to a non-RT thread
795        - fixed minor memory leak in ALSA driver
796    
797      * instruments database:
798        - avoid time consuming samples scanning when adding instruments
799          to the instruments database
800        - added support for handling lost files in the instruments database
801        - Implemented option for adding instruments in separate directories
802          in the instruments database
803          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
804        - work-around for missing fnmatch function on Windows to make
805          instrument database compilable
806        - added instrument database support on Windows
807          works with both standalone mode and VST plugin.
808          the instruments DB file is located in
809          %USERPROFILE%\.linuxsampler\instruments.db which allows different
810          databases for each windows user
811          if no DB is present it automatically creates the .linuxsampler subdir
812          and then creates an empty DB
813        - fixed recursive import, which was broken on Windows
814    
815      * Gigasampler format engine:
816        - fixed a memory leak that could happen when a channel was deleted
817          while notes were playing
818        - made it possible to load an instrument even if the audio thread
819          isn't running
820        - added partial support for the "Controller Triggered" MIDI rule,
821          enough for piano gigs with pedal noise samples
822        - minor fix: only mark FX sends as being modified if really the
823          respective FX send MIDI controller was used
824        - added support for GM global device volume SysEx message
825          (can be selected at compile time to either apply globally to the
826          whole sampler [default] or only to the sampler channels that are
827          connected to the respective MIDI input port the SysEx message arrived
828          on)
829        - bugfix: notes triggered at position 0 in the audio buffer were
830          sometimes wrongly killed in the same buffer, causing no sound to
831          be played
832        - added support for chromatic / drumkit mode Roland GS Sysex message
833          which is usally used to switch a part between chromatic sounds and
834          drumkit sounds (as opposed to their common default setting of MIDI
835          part 10 being a drumkit part and all other ones chromatic parts), in
836          LS however one can switch between the first 16 MIDI instrument maps
837          defined for the sampler
838        - made it possible to create multiple sample channels even if the
839          audio thread isn't running
840        - fixed crash when removing channel with active voices (#116)
841        - bugfix: on sample reference changes (instrument editor), only
842          un-cache the respective sample if it's really not used by any
843          sampler engine anymore
844        - re-cache samples in case they were changed by an instrument editor,
845          e.g. when a sample was added while playing (#82)
846        - fixed hanging notes which occured when note-off event had the exact
847          same time stamp as the voice's note-on event and occured both in the
848          same audio fragment cycle (fixes bug #112)
849        - added support for the "fine tune" and "pitch bend range"
850          instrument-level gig parameters
851        - fixed minor artifacts in pitch bend handling
852        - added support for GS Reset SysEx message
853        - allow gig files to use unlimited downward pitch shifting
854        - added a limit check for upward pitch shifting
855        - bugfix: sometimes, when playing a note twice fast, the second
856          note was silent
857        - fixed crash happening when a pitch bend event arrived at the
858          same time a new instrument was loading
859    
860      * LSCP server:
861        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
862          react on MIDI data arriving on certain sampler channels (so far only
863          Note-On and Note-Off events are sent via this LSCP event)
864        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
865          react on MIDI data arriving on certain MIDI input devices (so far only
866          Note-On and Note-Off events are sent via this LSCP event)
867        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
868          SET DB_INSTRUMENT FILE_PATH
869        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
870          frontends to send MIDI messages to specific sampler channel
871        - added two additional fields to GET FILE INSTRUMENT INFO command -
872          KEY_BINDINGS and KEYSWITCH_BINDINGS
873        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
874          was incorrect
875        - Optimized the retrieval of the MIDI instrument mappings
876        - added new LSCP command "SET VOICES" to globally alter the maximum
877          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
878          be triggered respectively
879        - added new LSCP command "SET STREAMS" to globally alter the maximum
880          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
881          which will be triggered respectively
882        - bugfix: retry if "select" returns EINTR (this fixes a crash when
883          a gigedit file dialog is opened)
884        - close all connections when LSCPServer is deleted
885        - hard close of all sockets on exit
886        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
887          driver
888    
889      * Bug fixes:
890        - fixed a crash which occurs when removing a sampler channel waiting
891          to start instrument loading after another channel
892        - fixed a crash which occurs when removing a sampler channel with
893          instrument loading in progress (bug #113)
894        - fixed termination caused by uncaught exception when adding MIDI
895          instrument with PERSISTENT load mode
896        - fixed possible iterator invalidations when resetting the sampler
897        - fixed memory leaks when issuing the following LSCP commands:
898          GET AUDIO_OUTPUT_DRIVER INFO
899          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
900          GET MIDI_INPUT_DRIVER INFO
901          GET MIDI_INPUT_DRIVER_PARAMETER INFO
902        - fixed possible compilation error when sqlite is not present
903        - fixed orphaned pointers when setting maximum voices limit (bug #118)
904        - fixed crash when changing the audio output device of a sampler
905          channel with loaded instrument and start playing notes
906        - fixed endless loop in Engine::SuspendAll() (bug #120)
907        - fixed a low-level atomic load function that was broken on 64-bit
908          PowerPC, which probably could cause crashes on that platform
909        - fixed a memory management error which could cause a crash when a
910          plugin was unloaded
911        - bugfix: two private structs had the same name, which could cause
912          problems if the linker chose the wrong constructor
913        - fixed low-level ConditionServer usage bug that caused lockups on
914          Windows
915    
916    
917    Version 0.5.1 (6 December 2007)
918    
919      * packaging changes:
920        - added autoconf checks for pthread library
921        - added autoconf check for pthread bug found on certain NPTL-enabled
922          glibc versions (see Gentoo bug report #194076)
923        - added autoconf checks for MS Windows
924    
925      * general changes:
926        - bugfix: the thread used by an editor plugin didn't die when the
927          editor closed
928        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
929          out all the space. operator--() did not apply size_mask after
930          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
931          order to avoid problems with the _NonVolatileReader functions.
932        - bugfix: Stream.h: added a missing divide by BytesPerSample in
933          GetWriteSpace(). Since this function is currently only used in
934          the stream's qsort() compare function, it didn't trigger any
935          bugs.
936        - Resampler.h, Synthesizer.h: cubic interpolation now works in
937          24bit mode too. Faster method to read 24bit words on little
938          endian machines (x86): replaced 3 byte reads + shifts with a 1
939          unaligned 32bit read and shift
940        - experimental support for MS Windows (MIDI input via MME, AUDIO
941          output via ASIO)
942        - made handling of SIGINT signal (Ctrl-C) a bit more robust
943        - support for monitoring the total number of active disk streams
944          (new LSCP commands: GET TOTAL_STREAM_COUNT,
945          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
946    
947      * AUDIO driver:
948        - added Windows ASIO low latency audio driver
949    
950      * MIDI driver:
951        - added MME Windows MIDI driver
952    
953      * LSCP server:
954        - added support for Windows style path / filenames, however with
955          forward slash path separators instead of backslash
956          (i.e. "C:/foo/bar.gig")
957        - allow naughty liblscp to send non-string device parameters within
958          apostrophes as well
959        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
960          "LIST FILE INSTRUMENTS <file>" and
961          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
962          about an arbitrary instrument file on the system where the sampler is
963          running on
964    
965    Version 0.5.0 (15 October 2007)
966    
967      * packaging changes:
968        - config.h is not going to be installed along with liblinuxsampler's
969          API header files anymore
970        - only the API relevant header (and source) files will be exported to
971          the Doxygen API documentation (explicitly listed in Doxyfile.in)
972        - added completely new XCode project files for Mac OSX which is now
973          capable to execute our autoconf environment, thus no need anymore
974          to maintain the compile time configuration file (osx/version.h) for
975          OSX manually (patch by Toshi Nagata)
976        - fixed buggy boolean --enable-foo / --disable-foo configure script
977          parameters
978        - global.h now only covers global definitions that are needed for the
979          C++ API header files, all implementation internal global definitions
980          are now in global_private.h
981        - atomic.h is not exposed to the C++ API anymore
982        - no need to include config.h anymore for using LS's API header files
983        - fixed warnings in API doc generation
984    
985    * general changes:    * general changes:
986      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
987        flexible MIDI instrument mapper which allows to map arbitrary        flexible MIDI instrument mapper which allows to map arbitrary
988        (MIDI bank MSB, MIDI bank LSB, MIDI program) triplets with arbitrary        (MIDI bank, MIDI program) pairs with arbitrary
989        (engine type, instrument file, file index) triplets which will be        (engine type, instrument file, file index) triplets which will be
990        loaded on the respective channel when such MIDI program change        loaded on the respective channel when such MIDI program change
991        messages arrive, beside that, each entry allows to define a life-time        messages arrive, beside that, each entry allows to define a life-time
# Line 13  Version CVS HEAD (?) Line 995  Version CVS HEAD (?)
995        respective program change arrives (to safe RAM space), as well as a        respective program change arrives (to safe RAM space), as well as a
996        global volume factor for each entry, so the user can adjust the volume        global volume factor for each entry, so the user can adjust the volume
997        dynamic of his mapped instrument collection without having to modify        dynamic of his mapped instrument collection without having to modify
998        the instrument files        the instrument files, also one can manage arbitrary amount of such
999          MIDI instrument maps and assign each sampler channel individually
1000          a certain map, so that i.e. separation of normal instruments and
1001          drumkits is possible
1002        - new notification events for tracking changes to audio/MIDI devices,
1003          MIDI instrument maps, MIDI instruments, FX sends, global volume.
1004        - sampler was limited to load max. 200 instruments in the background
1005          due to a constant size RingBuffer FIFO which is now replaced by a
1006          dynamic (unlimited) size std::list FIFO
1007        - added FX sends, these allow to route audio signals to arbitrary audio
1008          output channels for being processed by external effect processors
1009          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
1010          controllers
1011        - global (sampler wide) volume can now be controlled at runtime
1012        - Implemented new, improved notification system
1013        - fixed compilation errors regarding OSX
1014          (patch by Toshi Nagata)
1015        - implemented instruments database
1016        - added support for escape sequences to the instruments database
1017        - added highly experimental support for on-the-fly instrument editing
1018          within the sampler's process (by using instrument editor plugins),
1019          you'll notice the new "Registered instrument editors:" message on
1020          startup, added a new LSCP command:
1021          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
1022          to spawn a matching instrument editor for the instrument on the
1023          given sampler channel, the plugin path can be overridden at compile
1024          time with ./configure --enable-plugin-dir=/some/dir
1025        - added experimental code for synchronizing instrument editors hosted
1026          in the sampler's process to safely edit instruments while playing
1027          without a crash (hopefully) by either suspending single regions
1028          wherever possible or if unavoidable whole engine(s)
1029        - fixed several issues in fundamental "Thread" class: set scheduling
1030          policy and priority on thread level, set a minimum stack size for
1031          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
1032          threads simply inherited properties of starting thread instead of
1033          setting their own policy and priority
1034        - minor fix in our automatic stack trace mechanism on crashes, the
1035          main process did not wait for the stack trace process to finish
1036          its output
1037        - fixed some minor memory leaks
1038        - reenabled assembly features support, at the moment only for
1039          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
1040        - minor assembly fix in x86 features detection (don't use the PIC
1041          register, to avoid relocations in the text segment at runtime)
1042        - POSIX callback functions of Thread.h are hidden
1043    
1044    * MIDI driver:    * MIDI driver:
1045      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
1046    
1047      * audio driver:
1048        - the ALSA audio output driver parameters now reflect the correct
1049          parameter value ranges for the respective selected sound card
1050          (patch by Till Wimmer, a bit fixed and extended)
1051    
1052    * Gigasampler format engine:    * Gigasampler format engine:
1053      - if a filter is used and EG2 finishes before EG1, let the voice      - if a filter is used and EG2 finishes before EG1, let the voice
1054        die when EG2 has finished (this fixes a problem with clicks and        die when EG2 has finished (this fixes a problem with clicks and
1055        voice starvation for some gigs)        voice starvation for some gigs)
1056        - playback is no longer disabled during instrument loading
1057        - all notes playing on a channel that changes its instrument keep
1058          playing with the old instrument until they get a note off
1059          command
1060        - EG fix: a release value of zero could cause noises or crash
1061        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
1062        - EG fine tuning: when attack is zero the EG starts at a level
1063          above max sustain level, which means that there is a decay phase
1064          even if sustain is 100%
1065        - more EG fixes: the level could sometimes go below zero and cause
1066          noises or crashes
1067        - minor fix of EGDecay (patch by Toshi Nagata)
1068        - fixed compiler error when --enable-override-filter-type was
1069          supplied to the configure script (fixes #46)
1070        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1071          instead of a fix value
1072        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1073          127 (solo mode) only kill voices if the respective mode really
1074          changed
1075    
1076      * LSCP server:
1077        - fixed compile time error for old Bison versions
1078          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1079        - parser now supports extended ASCII character set
1080          (up to ASCII code 255, i.e. includes now umlauts and accents)
1081        - filename arguments in LSCP commands now allow to use escape
1082          sequences, that is directly literal as one of: \', \", \\, \n, \r,
1083          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1084          code value like \xf2) (fixes bug #24)
1085        - the following LSCP commands now also support escape sequences for at
1086          least one of their text-based parameters (i.e. name, description):
1087          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1088          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1089          "SET DB_INSTRUMENT_DIRECTORY NAME",
1090          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1091          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1092          "FIND DB_INSTRUMENT_DIRECTORIES"
1093        - returns verbose syntax errors (line and column where syntax error
1094          occured, the unexpected character and the actually expected, possible
1095          character(s), the latter only if less than 5 possibilities)
1096        - made sure that LSCP syntax is not affected by gigedit locale
1097          settings
1098        - bugfix regarding strings parameter lists: all comma separated lists
1099          of strings were treated as being one string containing commas
1100          (fixes #57)
1101    
1102    * Bug fixes:    * Bug fixes:
1103      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
1104        - another thread safety fix for lscp "load engine" and "set
1105          channel audio output device"
1106        - fixed a crash which occurs when reassigning the same engine
1107          on a sampler channel with connected MIDI device
1108        - fixed a crash which occurs when changing the number of ports of a MIDI
1109          device connected to a sampler channel to number less then or equal
1110          to the index of the port to which the sampler channel is connected.
1111        - The previous bindings were not been disconnected when altering
1112          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1113          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1114        - The active stream/voice count statistic was incorrect.
1115        - notification events were not been sent for some sampler
1116          channel changes
1117        - added default min and max values to restrict the number of allowed
1118          audio output channels and MIDI input ports
1119        - the connection to the PCM interface is now closed when destroying
1120          an audio output device
1121        - files with slash in their path or filename could not be loaded
1122    
1123      * test cases:
1124        - updated and fixed (haven't been touched in a while)
1125    
1126  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
1127    

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