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revision 947 by schoenebeck, Mon Nov 27 21:34:55 2006 UTC revision 2942 by schoenebeck, Wed Jul 13 15:51:06 2016 UTC
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1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * SFZ format engine:
4        - added support for <global>, <master> and #define (patch by Alby M)
5    
6      * general changes:
7        - fixed printf type errors (mostly in debug messages)
8        - use unique_ptr instead of auto_ptr when building with C++11
9        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
10          allowing to sort data efficiently in real-time safe manner.
11        - RTList class: added methods for moving/inserting elements to arbitrary
12          position within a list.
13        - RTList class: added method fromPtr() for creating an Iterator object from
14          a raw element pointer.
15        - Attempt to partly fix resetting engine channels vs. resetting engine, an
16          overall cleanup of the Reset*(), ConnectAudioDevice(),
17          DisconnectAudioDevice() API methods would still be desirable though,
18          because the current situation is still inconsistent and error prone.
19        - Active voices are now internally grouped to "Note" objects, instead of
20          being directly assigned to a keyboard key. This allows more fine graded
21          processing of voices, which is i.e. required for certain instrument
22          script features.
23        - Fix: Release trigger voices were not spawned on sustain pedal up
24          (CC #64) events.
25        - Fix: Release trigger voices can now also distinguish correctly between
26          note-off and sustain pedal up events.
27    
28      * packaging changes:
29        - removed unnecessary dependency to libuuid
30          (originated by libgig's usage of it)
31        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
32          auto detect whether it (sh/c)ould output its messages in color.
33    
34      * Real-time instrument scripts:
35        - Implemented scheduler for delayed MIDI events and for suspended scripts.
36        - Built-in script function "wait()": implemented support for function's
37          "duration-us" argument, thus scripts using this function are now
38          correctly resumed after the requested amount of microseconds.
39        - Built-in script function "play_note()": implemented support for
40          function's "duration-us" argument, thus notes triggered with this
41          argument are now correctly released after the requested amount of
42          microseconds.
43        - Fix: script events were not cleared when engine channel was reset,
44          potentially causing undefined behavior.
45        - Fixed crash which happened when trying to reference an undeclared
46          variable.
47        - Built-in script function "play_note()": Added support for passing
48          special value -1 for "duration-us" argument, which will cause the
49          triggered note to be released once the original note was released.
50        - Instrument script classes now exported with the liblinuxsampler C++ API.
51        - Added new API method ScriptVM::syntaxHighlighting() which provides
52          a convenient syntax highlighting backend for external instrument
53          script editor applications.
54        - Added new C++ API class "ScriptVMFactory".
55        - Extended parser issues to provide not only first line and first
56          column, but also last line and last column of issue (thus marking
57          the precise span of the issue within the source code).
58        - Reload script automatically after being modified by an instrument
59          editor.
60        - NKSP language grammar correction: allow empty event handler bodies
61          like "on note end on".
62        - Implemented built-in script function "change_vol()".
63        - Implemented built-in script function "change_tune()".
64        - Implemented built-in script function "change_pan()".
65        - Implemented built-in script function "change_cutoff()".
66        - Implemented built-in script function "change_reso()".
67        - Implemented built-in script function "event_status()".
68        - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
69          "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
70          "event_status()" function.
71        - NKSP language: Added support for bitwise operators ".or.", ".and."
72          and ".not.".
73        - NKSP language scanner: Fixed IDs matching to require at least one
74          character (i.e. when matching function names or variable names).
75        - NKSP language scanner: disabled unusued rules.
76        - Fixed behavior of play_note() and note_off() functions which must
77          be distinguished engine internally from "real" MIDI note on/off
78          events in order to avoid misbehaviors like hanging notes.
79        - Implemented built-in script variable "$KSP_TIMER".
80        - Implemented built-in script variable "$NKSP_REAL_TIMER".
81        - Implemented built-in script variable "$NKSP_PERF_TIMER".
82        - Implemented built-in script variable "$ENGINE_UPTIME".
83    
84    Version 2.0.0 (15 July 2015)
85    
86      * packaging changes:
87        - fixed building with newer MinGW-w64
88        - Mac OS X: support the new dir for Core Audio SDK
89        - Mac OS X: fixed building outside source directory
90        - made sure all source files for hostplugins are included when
91          doing "make dist"
92        - removed empty directories left from the cvs to svn migration
93        - fixed compilation with gcc 4.6.1
94        - another "make dist" fix, for the LV2 plugin
95        - made --enable-pthread-testcancel default on Mac OS X
96        - minor Makefile fix for building lscpparser when build and source
97          directories are separate
98        - Mac OS X: made it possible to specify plugin installation dir to
99          configure
100        - Mac OS X: Makefile fix for the install-strip target
101        - fixed compilation with gcc 4.7
102        - fixed configure script error with old autoconf versions
103        - lsatomic.h: use gcc provided atomic functions if building with
104          gcc 4.7 and C++11
105        - modernized configure script
106        - fixed linkage error when building with
107          LDFLAGS="-Wl,--no-undefined" (#190)
108        - fixed compilation with Clang 3.2
109        - removed usage of deprecated Automake variable INCLUDES
110        - fixed building with C++11
111        - build fix: ChangeFlagRelaxed.h was missing in makefile
112        - build fix: libsndfile compiler flags were missing in some
113          makefiles
114        - fix for building with bison 3.0 (#202)
115        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
116          on the process's main thread
117        - fixed build error on newer MinGW
118        - support building with older jack versions
119        - support building with spaces in vst sdk path
120        - enabled automake 'subdir-objects' option and moved external
121          source references (vst, au, asio) from makefiles to cpp files,
122          in order to get rid of warnings from automake 1.14
123    
124      * general changes:
125        - Refactoring: moved the independent code from
126          the Gigasampler format engine to base classes
127        - command line option '--profile' is currently disabled, since the
128          respective profiling code is currently broken
129        - Introduced support for optional environment variable
130          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
131          where the sampler shall look for instrument editor plugins
132          (patch by Luis Garrido, slightly modified).
133        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
134        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
135        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
136          note (in this implementation of the sampler its simply hard routed to
137          the 1st effect send of the sampler channel, no matter what the actual
138          effect type is)
139        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
140          note (in this implementation of the sampler its simply hard routed to
141          the 2nd effect send of the sampler channel, no matter what the actual
142          effect type is)
143        - implemented support for internal LADSPA effects
144        - raised limit of program change queue from 100 to 512
145          (as suggested by Alex Stone)
146        - implemented sine LFO, pulse LFO and saw LFO
147        - experimental support for per voice equalization
148        - added command line option --exec-after-init
149        - Introduced new C++ API method:
150          EngineChannel::InstrumentFileName(int index)
151          allowing to retrieve the whole list of files used for the loaded
152          instrument on an engine channel (a.k.a. part). Some GigaStudio
153          instruments for example are splitted over several files like
154          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
155        - Added new C++ API method Sampler::GetGlobalMaxVoices().
156        - Added new C++ API method Sampler::GetGlobalMaxStreams().
157        - Added new C++ API method Sampler::SetGlobalMaxVoices().
158        - Added new C++ API method Sampler::SetGlobalMaxStreams().
159        - Various "const" and "restrict" optimizations.
160        - all engines: add pan CC value to instrument pan parameter before
161          applying panning, instead of using two separate pan functions in
162          series (#182)
163        - added a lock guard class for exception safe mutex handling and
164          used it everywhere appropriate
165        - Immediately apply scale tuning changes to active voices.
166        - Exposed scale tuning to C++ API (along to the already existing standard
167          SysEx way).
168        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
169          and broken for ppc64. (Seq_cst loads and stores are actually not
170          used in LS, so the bug wasn't noticable.)
171        - lsatomic.h: added ARMv7 support
172        - Added support for multiple MIDI input ports per sampler channel (and
173          added various new C++ methods for this new feature / design change, old
174          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
175          as deprecated but are still there and should provide full behavior
176          backward compatibility).
177        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
178          unsafe and caused compilation error with clang 2.x).
179        - Bugfix: only process the latest MIDI program change event.
180        - Introducing the LSCP shell, which provides convenient control of the
181          sampler from the command line by providing LSCP aware features.
182        - VirtualMidiDevice: Added support for program change.
183        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
184        - VirtualMidiDevice: Added support for pitch bend.
185        - Aftertouch: extended API to explicitly handle channel pressure and
186          polyphonic key pressure events (so far polyphonic pressure was not
187          supported at all, and channel pressure was rerouted as CC128 but not
188          used so far).
189        - Added initial support for real-time instrument scripts. The script VM
190          code is shared by all sampler engine implemementations, however only the
191          gig file format currently provides support for storing instrument scripts
192          (as LinuxSampler extension to the original GigaStudio 4 format).
193    
194      * Gigasampler format engine:
195        - implemented the "round robin keyboard" dimension
196        - fixed round robin and random dimensions for cases when number of
197          dimension zones is not a power of two
198        - made round robin use a counter for each region instead of each
199          key
200        - bugfix: pitch LFO controller "internal+aftertouch" was broken
201        - bugfix: filter keyboard tracking was broken
202        - filter performance fix (an unnecessary copy was made of the
203          filter parameters in each sub fragment)
204        - handle special case when pan parameter in gig file has max or
205          min value
206        - Exclusive Groups: don't ever stop voices of the same note,
207          doesn't sound naturally with a drumkit
208        - fixed EG1 modulation when attack or release is zero
209        - Fixed support for 'aftertouch' attenuation controller.
210        - Fixed crash that happened with velocity split sounds under certain
211          conditions (see also previous commit on libgig).
212        - fixed behaviour of filter LFO
213    
214      * SFZ format engine:
215        - Initial implementation (not usable yet)
216        - added support for v2 multiple stage envelope generators
217        - added a fine-tuned v1 envelope generator instead of using the
218          one from the gig engine
219        - fixed memory leak and memory handling errors
220        - added support for trigger=first, trigger=legato and sw_previous
221        - allow non-numerical key values ("C#4" for example)
222        - "key" opcode now sets pitch_keycenter too
223        - fixed error when unloading instrument with same sample used by
224          multiple regions
225        - added some opcode aliases, like loopmode for loop_mode, to be
226          more compatible
227        - added support for trigger=release and rt_decay
228        - added support for off_mode=normal
229        - added support for random, seq_position, seq_length and volume
230        - added v1 LFO opcodes to parser (no support in engine yet)
231        - added support for amp_veltrack and amp_velcurve_N
232        - fine-tuned the default velocity curve
233        - added support for transpose
234        - fixed crash when using sw_down/up
235        - improved logic for sw_lokey/hikey/up/down/last
236        - added more v1 aliases to parser
237        - reduced memory usage for sfz data
238        - RT-safeness: avoid malloc in audio thread
239        - fixed a bug that could cause voice stealing to fail
240        - optimized sample lookup
241        - improved support for exclusive groups (group, off_by and
242          off_mode)
243        - added support for controller triggered regions (on_locc/on_hicc)
244        - added support for loop_mode=one_shot
245        - fixed playback of 16 bit wav files on big endian CPUs
246        - added support for Ogg Vorbis sample files
247        - use loop markers from sample file if loop_start and loop_end are
248          not set in sfz file
249        - implemeted filters. Filter types: lowpass, bandpass, bandreject
250          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
251          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
252          cutoff_cc, cutoff_chanaft.
253        - bugfix: zero ampeg_sustain didn't work
254        - added support for velocity effect on amplifier envelope time
255          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
256          ampeg_vel2release)
257        - added support for EG hold (ampeg_hold)
258        - added support for sample offset (offset)
259        - use the newly introduced signal units model
260        - implemented opcodes lfoN_delay,
261          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
262        - implemented opcodes ampeg_delay, ampeg_vel2delay
263          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
264          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
265          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
266          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
267        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
268          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
269          amplfo_delay, amplfo_freq, amplfo_depth
270        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
271          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
272          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
273          fileg_vel2release
274        - implemented opcode lfoN_wave
275        - implemented opcode pitchlfo_depthccN
276        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
277          lfoN_pitch, lfoN_pitch_onccX
278        - implemented opcodes pitchlfo_fade,
279          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
280        - implemented opcodes fillfo_freqccN,
281          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
282        - implemented opcodes ampeg_delayccN, ampeg_startccN,
283          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
284          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
285        - lfoN_* and egN_* opcodes defined in group sections
286          are now taken into account
287        - implemented curves
288        - implemented opcodes volume_onccN, volume_curveccN
289        - implemented opcode volume_smoothccN
290        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
291          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
292          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
293          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
294          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
295        - implemented opcode end
296        - implemented opcodes egN_amplitude_onccX,
297          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
298          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
299        - implemented opcodes xfin_lokey, xfin_hikey,
300          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
301          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
302          xfout_loccN, xfout_hiccN, xf_cccurve
303        - implemented opcodes pan_onccN, pan_smoothccN,
304          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
305          egN_pan_curveccX, pitch_veltrack
306        - when failed to parse a sfz file
307          print the line number on which the error occurs
308        - use common pool of CC objects to minimize RAM usage
309        - implemented opcodes amplfo_delay_onccN,
310          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
311          pitchlfo_delay_onccN, pitchlfo_fade_onccN
312        - implemented opcodes fileg_delay_onccN,
313          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
314          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
315          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
316          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
317          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
318        - implemented automatic aliasing *ccN <-> *_onccN
319        - *lfo_freqccN wasn't working when the respective *lfo_freq
320          was not set or was set to zero
321        - lfoN_freq_onccX wasn't working when lfoN_freq
322          was not set or was set to zero
323        - implemented opcodes resonance_onccN, resonance_smoothccN,
324          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
325        - implemented opcodes fillfo_depthchanaft,
326          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
327          pitchlfo_depthchanaft, pitchlfo_freqchanaft
328        - implemented opcodes pitch_onccN,
329          pitch_curveccN, pitch_smoothccN, pitch_stepccN
330        - implemented opcodes volume_stepccN, pan_stepccN,
331          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
332          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
333          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
334        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
335          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
336          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
337          eq1_gainccN, eq2_gainccN, eq3_gainccN
338        - implemented opcodes delay, delay_onccN, delay_random,
339          delay_samples, delay_samples_onccN
340        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
341          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
342          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
343          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
344          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
345          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
346          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
347          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
348          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
349          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
350          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
351          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
352          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
353          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
354          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
355        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
356          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
357        - sfz parser: allow double spaces in sample filenames
358        - sfz parser: allow absolute paths for sample filenames
359        - use linear decay and release for filter and pitch EG
360        - bugfix: only the first amp_veltrack definition in a file was
361          used
362        - bugfix: looping was disabled if loop_start was set to 0
363        - allow regions with end=-1 to turn off other regions using the
364          group and off_by opcodes (#168)
365        - made end=0 play the whole sample
366        - fixed support for lochan and hichan opcodes (#155)
367        - fixed crash when using lochan/hichan opcodes (#187)
368        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
369        - added FLAC support (#191)
370        - sfz parser bugfix: lines starting with whitespace were ignored
371        - added amplitude opcode
372        - added support for "#include" instruction
373          (modified patch which was originally posted by Sergey on LS mailing list)
374        - bugfix: generation of velocity curves etc should not be done
375          after each "#include", only after the main file is parsed
376        - bugfix: line numbers in error messages were wrong after "#include"
377        - added support for float and 32 bit sample files
378    
379      * SoundFont format engine:
380        - Initial implementation (not usable yet)
381        - RT-safeness: avoid malloc in audio thread
382        - fixed a bug that could cause voice stealing to fail
383        - fine-tuned amplitude EG (by switching from gig to sfz EG)
384        - initial implementation of Vibrato LFO and Modulation LFO
385        - initial implementation of cutoff filter
386        - use linear decay and release for filter and pitch EG
387    
388      * Host plugins (VST, AU, LV2, DSSI):
389        - AU bugfix: failed to destroy its audio/MIDI devices
390        - Listen to all interfaces on Mac OS X (INADDR_ANY)
391        - VST bugfix: If the host called resume() before and after
392          changing sample rate or block size, the number of channels was
393          incorrectly set to two. This caused silence in Cubase 5.
394        - save engine type (gig, sfz or sf2) in plugin state
395        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
396          64 bit Windows
397        - AU: changed number of output channels from one stereo to 16
398          stereo
399        - VST: made it possible to build the VST plugin for Mac
400        - AU: link AU plugin dynamically if --disable-shared isn't
401          specified
402        - LV2 "state" extension support (patch by David Robillard)
403        - VST bugfix: instrument loading hang and crashed the host when
404          the plugin was loaded a second time (#174)
405        - plugin bugfix: instrument loading hang when the plugin was
406          loaded a second time (this time it's for Linux and Mac, previous
407          similar fix was for Windows)
408        - thread safety fixes for the instrument loading thread
409        - LV2: use the new lv2 package if present
410        - VST: try to open Fantasia automatically on Linux and Mac too (on
411          Linux, the Fantasia jar should be placed in <prefix>/share/java)
412        - VST: fixed crashes on Linux Ardour and EnergyXT
413        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
414          port and audio channel routing for DSSI plugins are now visible.
415        - LV2: use urid and atom extensions instead of deprecated uri-map
416          and event
417        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
418        - LV2: changed number of output channels to 16 stereo, just like
419          the VST and AU plugins
420        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
421        - LV2: made LV2 plugin buildable on Windows and Mac
422        - VST: implemented retrieval and switching of programs using the
423          sampler's internal MIDI instrument mapping system
424    
425      * Instrument editor interface:
426        - Changed instrument editor plugin interface, providing additional
427          informations like the EngineChannel for which the instrument editor was
428          spawned for. This allows the instrument editors to interact more actively
429          with the sampler.
430    
431      * MIDI driver:
432        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
433          the ALSA sequencer client name
434        - removed limit of maximum amount of MIDI ports per MIDI device, since
435          there is no reason for this limit
436        - MME: fixed memory handling bug found with cppcheck
437        - MME: removed compiler warning
438        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
439          which allows to retrieve the list of CoreMIDI clients / ports and to connect
440          to them a la JACK, via the usual sampler APIs
441        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
442          the driver will automatically connect to other CoreMIDI clients' ports
443          (e.g. external MIDI devices being attached to the Mac)
444        - added support for MIDI note on velocity filter
445        - CoreMIDI: fixed memory deallocation error
446        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
447          virtual keyboards in frontends / instrument editors being stuck.
448        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
449        - Implemented missing handling of MIDI "running status".
450        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
451        - MME bugfix: driver wasn't closed properly
452        - CoreMIDI: automatically connect to all input sources by default (driver
453          parameter "AUTO_BIND").
454        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
455        - CoreMIDI: fixed minor memory leak
456    
457      * audio driver:
458        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
459        - JACK audio: react on sample rate changes.
460        - JACK audio: react on buffer size changes.
461        - JACK audio: jack_port_get_buffer() was cached and called outside
462          RT context.
463        - ASIO driver: removed compiler warnings
464        - CoreAudio: fixed minor error handling bug
465        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
466        - JACK audio: return the JACK server's current sample rate as default value
467          for audio device parameter "SAMPLERATE" (fixes #166).
468    
469      * LSCP server:
470        - added support for sending MIDI CC messages via LSCP command
471          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
472        - added LSCP command "GET AVAILABLE_EFFECTS"
473        - added LSCP command "LIST AVAILABLE_EFFECTS"
474        - added LSCP command "GET EFFECT INFO <effect-index>"
475        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
476        - added LSCP command
477          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
478        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
479        - added LSCP command "GET EFFECT_INSTANCES"
480        - added LSCP command "LIST EFFECT_INSTANCES"
481        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
482        - added LSCP command
483          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
484        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
485          <effect-instance> <input-control> <value>"
486        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
487        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
488        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
489        - added LSCP command
490          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
491        - added LSCP command
492          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
493        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
494          <effect-chain> <effect-instance>"
495        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
496          <effect-chain> <effect-chain-pos> <effect-instance>"
497        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
498          <effect-chain> <chain-pos>"
499        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
500          <fx_send_id> <effect_chain> <chain_pos>"
501        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
502        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
503          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
504          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
505        - provide comprehensive error messages on LSCP syntax errors
506          (suggesting expected next non-terminal symbols)
507    
508      * LSCP shell:
509        - Added support for auto correction of obvious and trivial syntax mistakes.
510        - Added support for auto completion by tab key.
511        - Show currently available auto completion while typing.
512        - Added support for browsing command history with up / down keys.
513        - Show all possible next symbols immediately right to the current command
514          line while typing (no double tab required for this feature, as it would
515          be the case in other shells).
516        - Added support for moving cursor left/right with arrow keys.
517        - Added support for built-in LSCP reference documentation, which will
518          automatically show the relevant LSCP reference section on screen as soon
519          as one specific LSCP command was detected while typing on the command
520          line.
521    
522      * Real-time instrument scripts:
523        - Implemented built-in script array variable %CC.
524        - Implemented built-in script int variable $CC_NUM.
525        - Implemented built-in script int variable $EVENT_NOTE.
526        - Implemented built-in script int variable $EVENT_VELOCITY.
527        - Implemented built-in script constant variable $VCC_MONO_AT.
528        - Implemented built-in script constant variable $VCC_PITCH_BEND.
529        - Implemented execution of script event handler "init".
530        - Implemented execution of script event handler "controller".
531        - Implemented execution of script event handler "note".
532        - Implemented execution of script event handler "release".
533        - Implemented built-in script function "play_note()" (only two of the
534          max. four function arguments are currently implemented yet though).
535        - Implemented built-in script int variable $EVENT_ID.
536        - Implemented built-in script function "ignore_event()"
537        - Implemented built-in script function "ignore_controller()" (may have one
538          or no argument).
539        - Implemented built-in script function "set_controller()".
540        - Added extended script VM for the Gigasampler/GigaStudio format sampler
541          engine, which extends the general instrument script VM with Giga format
542          specific variables and functions.
543        - Giga format scripts: added built-in script int constant variables
544          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
545          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
546          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
547          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
548          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
549          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
550          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
551          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
552          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
553          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
554        - Giga format scripts: Implemented built-in script function
555          "gig_set_dim_zone(event_id, dimension, zone)".
556        - Implemented built-in script int array variable $KEY_DOWN.
557        - Implemented built-in script function "abs()".
558        - Implemented built-in script function "random()".
559        - Implemented built-in script function "num_elements()".
560        - Implemented built-in script function "note_off()".
561        - Implemented built-in script function "set_event_mark()".
562        - Implemented built-in script function "delete_event_mark()".
563        - Implemented built-in script function "by_marks()".
564        - Added built-in script int const variables $MARK_1 to $MARK_28.
565        - Built-in script functions "ignore_event()", "note_off()" and
566          "gig_set_dim_zone()" now also accept an array of event IDs as argument
567          (i.e. return value of new script function "by_marks()").
568        - Pass/preserve polyphonic variable data from respective "note" event
569          handler to "release" event handler.
570    
571      * Bug fixes:
572        - Fixed crash which may occur when MIDI key + transpose is out of range
573        - minor valgrind fixes
574        - fixed crash which occurred when changing an already deployed sampler
575          channel to a different engine type
576        - fixed crash when deleting a sampler channel or changing engine
577          type while an instrument load was in progress
578        - bugfix: playing a note while changing the instrument could cause
579          a crash, or give "Handing back unknown region" error messages
580        - bugfix: calling SET VOICES (which Fantasia does on start and
581          refresh) could cause instruments to be unloaded
582        - Mac OS X: fixed name collision of enum in EffectControl and
583          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
584        - Mac OS X: fixed hanging threads
585        - Windows: disabled the previous thread fix on non-Mac systems, as
586          it caused hanging threads on Windows
587        - Fixed possible crashes due to corrupted MIDI/audio device list
588          after MIDI/audio device creation failure
589        - When creating MIDI instrument map entries with "PERSISTENT" type, the
590          instruments were uselessly precached with zero samples, however it still
591          took the full preloading time and on 1st program change the respective
592          instrument was completely reloaded again.
593        - fixed handling of rapid bank select and program change messages
594          sent to the same sampler channel (patch from the Open Octave
595          project, slightly adjusted)
596        - fixed crash when trying to create an effect instance with controls
597          which min and/or max values depend on the sample rate
598        - fixed bug #162
599        - bugfix: LADSPA_PATH was not evaluated correctly when containing
600          multiple paths (#165)
601        - thread safety fixes for the instrument loading thread
602        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
603          (#176)
604        - more thread safety fixes for the instrument loading thread
605        - sfz/sf2 engine: fixed crash when using small audio fragment size
606        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
607        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
608          introduced in previous fix)
609        - fixed crash when a channel received a program change while
610          playing a note in a key group
611        - fixed erroneous error message piping in VoiceBase.h
612          (labelled "Disk stream not available in time")
613        - Update effects on sample rate & period size changes (to avoid
614          crashes and noise on such transitions).
615        - ignore missing LADSPA paths without ignoring valid LADSPA paths
616          (fixes #208)
617        - Fixed bug in LSCP grammar definition which caused a statement like
618          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
619          practically irrelevant, however it caused problems with the new LSCP
620          shell's auto completion feature).
621        - Fixed MIDI program change messages being ignored if quickly executed
622          after each other (fixes #231).
623    
624    Version 1.0.0 (31 July 2009)
625    
626      * packaging changes:
627        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
628          causing e.g. the libgig test to fail when
629          "./configure --disable-jack-driver" was used
630          (patch by Alexis Ballier)
631        - fixed compilation with gcc 4.3
632        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
633        - fixed configure so it detects x86_64 (#107)
634        - fixes for building with newer MinGW versions
635        - fix for building with bison 2.4 (#111)
636        - fixed building with libgig installed in a non-standard directory
637        - minor fix in configure for mmsystem.h detection on MinGW
638        - Windows: look for editor plugins and Fantasia using base
639          directory of liblinuxsampler dll (look in the same directory and one
640          directory above)
641        - configure script fix: removed unconditional use of SSE
642        - fixed building with sqlite installed in a non-standard directory
643        - when cross-compiling, don't try to create instruments.db
644        - fix for new mingw-w64 version, which has usleep
645    
646      * general changes:
647        - bugfix: on some POSIX systems instrument editor plugins refused to
648          load as we used a non-portable Linux specific struct field
649          (fixes bug #70, patch by Ronald Baljeu)
650        - fixed endless loop which occured when loading an instrument editor
651          plugin DLL on Windows systems failed
652        - fixed memory leaks that occurred when liblinuxsampler was unloaded
653        - optimized the SynchronizedConfig class so it doesn't wait
654          unnecessarily long after an update
655        - added support for notifying instrument editors on note-on / note-off
656          events (e.g. to highlight the pressed keys on the virtual keyboard
657          of gigedit)
658        - added support for triggering notes by instrument editors (see above)
659        - be verbose on DLL load errors (on Linux)
660        - fixed di-harmonic triangle LFO implementation (this LFO implementation
661          is only used by very few systems, most pick the int math
662          implementation, which is usually faster)
663        - fixes for audio drivers with varying buffer sizes
664        - experimental support for running LinuxSampler as a DSSI, LV2 and
665          VST plugin
666        - notification events for stream/voice count statistics are now sent
667          only when there are actual changes
668        - added memory ordering constraints to improve stability on
669          multi-core and multi-cpu systems
670        - maximum voices and disk streams can now be altered at runtime
671        - fixed CPU feature detection on x86_64 (maybe fixes #108)
672        - automatic stacktrace mechanism is now turned off by default and can
673          be switched on by command line option "--stacktrace" (the automatic
674          stacktrace mechanism seems to be broken on most systems at the moment)
675        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
676          a pointer to the launched InstrumentEditor object
677        - added optional 3rd party user data parameter for following
678          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
679          InstrumentEditor::Launch(),
680          InstrumentManager::LaunchInstrumentEditor()
681        - theoretical fix: made SynchronizedConfig follow C++0x memory
682          model more strictly
683        - fixes for using large audio device buffers
684        - Windows: add the installation directory to the DLL search path
685          when loading an editor plugin (solves problems with VST and
686          gigedit on systems with other GTK versions installed)
687        - updated linuxsampler man page
688    
689      * audio driver:
690        - removed the nonsense audio channel constraint (which was hard coded to
691          max. 100 audio channels) for most audio drivers
692        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
693          opposed to the LSCP specs
694        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
695          reflected the wrong value
696        - fixed a memory management bug in ASIO driver
697        - Makefile fix: JACK_CFLAGS wasn't used
698        - JACK: use jack_client_open instead of the deprecated
699          jack_client_new
700        - added (experimental) CoreAudio driver
701        - applied old fixes to the ASIO driver that were included in the
702          previous binary release but accidentally never committed to CVS
703          (fixes #117)
704        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
705          win64)
706        - VST: added support for sample rate and buffer size changes
707        - VST: close editor (Fantasia) when the VST is removed
708        - VST: avoid opening Fantasia more than once for each VST instance
709        - VST: export main function as "main" on Linux too (fix for
710          energyXT)
711        - VST: changed number of output channels from one stereo to 16
712          stereo
713        - added channel routing, fxsends and midi maps to the settings
714          stored in the plugin state
715        - performance optimization of AudioChannel::MixTo() and
716          AudioChannel::CopyTo() methods using GCC vector exensions
717          (if available)
718        - ASIO fixes: avoid initializing the device twice, avoid throwing
719          exception when getting parameters from a disconnected device
720    
721      * MIDI driver:
722        - added JACK MIDI driver
723        - dispatch bank select as ordinary CC as well, the user might seriously
724          want to (mis)use it for some purpose ("fixed" in all current MIDI
725          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
726        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
727          CoreMidi or AU
728        - fixed mingw-w64 compilation error in MME driver
729        - made program change handling in MIDI thread real-time safe by
730          moving the logic to a non-RT thread
731        - fixed minor memory leak in ALSA driver
732    
733      * instruments database:
734        - avoid time consuming samples scanning when adding instruments
735          to the instruments database
736        - added support for handling lost files in the instruments database
737        - Implemented option for adding instruments in separate directories
738          in the instruments database
739          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
740        - work-around for missing fnmatch function on Windows to make
741          instrument database compilable
742        - added instrument database support on Windows
743          works with both standalone mode and VST plugin.
744          the instruments DB file is located in
745          %USERPROFILE%\.linuxsampler\instruments.db which allows different
746          databases for each windows user
747          if no DB is present it automatically creates the .linuxsampler subdir
748          and then creates an empty DB
749        - fixed recursive import, which was broken on Windows
750    
751      * Gigasampler format engine:
752        - fixed a memory leak that could happen when a channel was deleted
753          while notes were playing
754        - made it possible to load an instrument even if the audio thread
755          isn't running
756        - added partial support for the "Controller Triggered" MIDI rule,
757          enough for piano gigs with pedal noise samples
758        - minor fix: only mark FX sends as being modified if really the
759          respective FX send MIDI controller was used
760        - added support for GM global device volume SysEx message
761          (can be selected at compile time to either apply globally to the
762          whole sampler [default] or only to the sampler channels that are
763          connected to the respective MIDI input port the SysEx message arrived
764          on)
765        - bugfix: notes triggered at position 0 in the audio buffer were
766          sometimes wrongly killed in the same buffer, causing no sound to
767          be played
768        - added support for chromatic / drumkit mode Roland GS Sysex message
769          which is usally used to switch a part between chromatic sounds and
770          drumkit sounds (as opposed to their common default setting of MIDI
771          part 10 being a drumkit part and all other ones chromatic parts), in
772          LS however one can switch between the first 16 MIDI instrument maps
773          defined for the sampler
774        - made it possible to create multiple sample channels even if the
775          audio thread isn't running
776        - fixed crash when removing channel with active voices (#116)
777        - bugfix: on sample reference changes (instrument editor), only
778          un-cache the respective sample if it's really not used by any
779          sampler engine anymore
780        - re-cache samples in case they were changed by an instrument editor,
781          e.g. when a sample was added while playing (#82)
782        - fixed hanging notes which occured when note-off event had the exact
783          same time stamp as the voice's note-on event and occured both in the
784          same audio fragment cycle (fixes bug #112)
785        - added support for the "fine tune" and "pitch bend range"
786          instrument-level gig parameters
787        - fixed minor artifacts in pitch bend handling
788        - added support for GS Reset SysEx message
789        - allow gig files to use unlimited downward pitch shifting
790        - added a limit check for upward pitch shifting
791        - bugfix: sometimes, when playing a note twice fast, the second
792          note was silent
793        - fixed crash happening when a pitch bend event arrived at the
794          same time a new instrument was loading
795    
796      * LSCP server:
797        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
798          react on MIDI data arriving on certain sampler channels (so far only
799          Note-On and Note-Off events are sent via this LSCP event)
800        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
801          react on MIDI data arriving on certain MIDI input devices (so far only
802          Note-On and Note-Off events are sent via this LSCP event)
803        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
804          SET DB_INSTRUMENT FILE_PATH
805        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
806          frontends to send MIDI messages to specific sampler channel
807        - added two additional fields to GET FILE INSTRUMENT INFO command -
808          KEY_BINDINGS and KEYSWITCH_BINDINGS
809        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
810          was incorrect
811        - Optimized the retrieval of the MIDI instrument mappings
812        - added new LSCP command "SET VOICES" to globally alter the maximum
813          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
814          be triggered respectively
815        - added new LSCP command "SET STREAMS" to globally alter the maximum
816          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
817          which will be triggered respectively
818        - bugfix: retry if "select" returns EINTR (this fixes a crash when
819          a gigedit file dialog is opened)
820        - close all connections when LSCPServer is deleted
821        - hard close of all sockets on exit
822        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
823          driver
824    
825      * Bug fixes:
826        - fixed a crash which occurs when removing a sampler channel waiting
827          to start instrument loading after another channel
828        - fixed a crash which occurs when removing a sampler channel with
829          instrument loading in progress (bug #113)
830        - fixed termination caused by uncaught exception when adding MIDI
831          instrument with PERSISTENT load mode
832        - fixed possible iterator invalidations when resetting the sampler
833        - fixed memory leaks when issuing the following LSCP commands:
834          GET AUDIO_OUTPUT_DRIVER INFO
835          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
836          GET MIDI_INPUT_DRIVER INFO
837          GET MIDI_INPUT_DRIVER_PARAMETER INFO
838        - fixed possible compilation error when sqlite is not present
839        - fixed orphaned pointers when setting maximum voices limit (bug #118)
840        - fixed crash when changing the audio output device of a sampler
841          channel with loaded instrument and start playing notes
842        - fixed endless loop in Engine::SuspendAll() (bug #120)
843        - fixed a low-level atomic load function that was broken on 64-bit
844          PowerPC, which probably could cause crashes on that platform
845        - fixed a memory management error which could cause a crash when a
846          plugin was unloaded
847        - bugfix: two private structs had the same name, which could cause
848          problems if the linker chose the wrong constructor
849        - fixed low-level ConditionServer usage bug that caused lockups on
850          Windows
851    
852    
853    Version 0.5.1 (6 December 2007)
854    
855      * packaging changes:
856        - added autoconf checks for pthread library
857        - added autoconf check for pthread bug found on certain NPTL-enabled
858          glibc versions (see Gentoo bug report #194076)
859        - added autoconf checks for MS Windows
860    
861      * general changes:
862        - bugfix: the thread used by an editor plugin didn't die when the
863          editor closed
864        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
865          out all the space. operator--() did not apply size_mask after
866          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
867          order to avoid problems with the _NonVolatileReader functions.
868        - bugfix: Stream.h: added a missing divide by BytesPerSample in
869          GetWriteSpace(). Since this function is currently only used in
870          the stream's qsort() compare function, it didn't trigger any
871          bugs.
872        - Resampler.h, Synthesizer.h: cubic interpolation now works in
873          24bit mode too. Faster method to read 24bit words on little
874          endian machines (x86): replaced 3 byte reads + shifts with a 1
875          unaligned 32bit read and shift
876        - experimental support for MS Windows (MIDI input via MME, AUDIO
877          output via ASIO)
878        - made handling of SIGINT signal (Ctrl-C) a bit more robust
879        - support for monitoring the total number of active disk streams
880          (new LSCP commands: GET TOTAL_STREAM_COUNT,
881          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
882    
883      * AUDIO driver:
884        - added Windows ASIO low latency audio driver
885    
886      * MIDI driver:
887        - added MME Windows MIDI driver
888    
889      * LSCP server:
890        - added support for Windows style path / filenames, however with
891          forward slash path separators instead of backslash
892          (i.e. "C:/foo/bar.gig")
893        - allow naughty liblscp to send non-string device parameters within
894          apostrophes as well
895        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
896          "LIST FILE INSTRUMENTS <file>" and
897          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
898          about an arbitrary instrument file on the system where the sampler is
899          running on
900    
901    Version 0.5.0 (15 October 2007)
902    
903      * packaging changes:
904        - config.h is not going to be installed along with liblinuxsampler's
905          API header files anymore
906        - only the API relevant header (and source) files will be exported to
907          the Doxygen API documentation (explicitly listed in Doxyfile.in)
908        - added completely new XCode project files for Mac OSX which is now
909          capable to execute our autoconf environment, thus no need anymore
910          to maintain the compile time configuration file (osx/version.h) for
911          OSX manually (patch by Toshi Nagata)
912        - fixed buggy boolean --enable-foo / --disable-foo configure script
913          parameters
914        - global.h now only covers global definitions that are needed for the
915          C++ API header files, all implementation internal global definitions
916          are now in global_private.h
917        - atomic.h is not exposed to the C++ API anymore
918        - no need to include config.h anymore for using LS's API header files
919        - fixed warnings in API doc generation
920    
921    * general changes:    * general changes:
922      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
923        flexible MIDI instrument mapper which allows to map arbitrary        flexible MIDI instrument mapper which allows to map arbitrary
924        (MIDI bank MSB, MIDI bank LSB, MIDI program) triplets with arbitrary        (MIDI bank, MIDI program) pairs with arbitrary
925        (engine type, instrument file, file index) triplets which will be        (engine type, instrument file, file index) triplets which will be
926        loaded on the respective channel when such MIDI program change        loaded on the respective channel when such MIDI program change
927        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 931  Version CVS HEAD (?)
931        respective program change arrives (to safe RAM space), as well as a        respective program change arrives (to safe RAM space), as well as a
932        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
933        dynamic of his mapped instrument collection without having to modify        dynamic of his mapped instrument collection without having to modify
934        the instrument files        the instrument files, also one can manage arbitrary amount of such
935          MIDI instrument maps and assign each sampler channel individually
936          a certain map, so that i.e. separation of normal instruments and
937          drumkits is possible
938        - new notification events for tracking changes to audio/MIDI devices,
939          MIDI instrument maps, MIDI instruments, FX sends, global volume.
940        - sampler was limited to load max. 200 instruments in the background
941          due to a constant size RingBuffer FIFO which is now replaced by a
942          dynamic (unlimited) size std::list FIFO
943        - added FX sends, these allow to route audio signals to arbitrary audio
944          output channels for being processed by external effect processors
945          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
946          controllers
947        - global (sampler wide) volume can now be controlled at runtime
948        - Implemented new, improved notification system
949        - fixed compilation errors regarding OSX
950          (patch by Toshi Nagata)
951        - implemented instruments database
952        - added support for escape sequences to the instruments database
953        - added highly experimental support for on-the-fly instrument editing
954          within the sampler's process (by using instrument editor plugins),
955          you'll notice the new "Registered instrument editors:" message on
956          startup, added a new LSCP command:
957          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
958          to spawn a matching instrument editor for the instrument on the
959          given sampler channel, the plugin path can be overridden at compile
960          time with ./configure --enable-plugin-dir=/some/dir
961        - added experimental code for synchronizing instrument editors hosted
962          in the sampler's process to safely edit instruments while playing
963          without a crash (hopefully) by either suspending single regions
964          wherever possible or if unavoidable whole engine(s)
965        - fixed several issues in fundamental "Thread" class: set scheduling
966          policy and priority on thread level, set a minimum stack size for
967          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
968          threads simply inherited properties of starting thread instead of
969          setting their own policy and priority
970        - minor fix in our automatic stack trace mechanism on crashes, the
971          main process did not wait for the stack trace process to finish
972          its output
973        - fixed some minor memory leaks
974        - reenabled assembly features support, at the moment only for
975          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
976        - minor assembly fix in x86 features detection (don't use the PIC
977          register, to avoid relocations in the text segment at runtime)
978        - POSIX callback functions of Thread.h are hidden
979    
980    * MIDI driver:    * MIDI driver:
981      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
982    
983      * audio driver:
984        - the ALSA audio output driver parameters now reflect the correct
985          parameter value ranges for the respective selected sound card
986          (patch by Till Wimmer, a bit fixed and extended)
987    
988      * Gigasampler format engine:
989        - if a filter is used and EG2 finishes before EG1, let the voice
990          die when EG2 has finished (this fixes a problem with clicks and
991          voice starvation for some gigs)
992        - playback is no longer disabled during instrument loading
993        - all notes playing on a channel that changes its instrument keep
994          playing with the old instrument until they get a note off
995          command
996        - EG fix: a release value of zero could cause noises or crash
997        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
998        - EG fine tuning: when attack is zero the EG starts at a level
999          above max sustain level, which means that there is a decay phase
1000          even if sustain is 100%
1001        - more EG fixes: the level could sometimes go below zero and cause
1002          noises or crashes
1003        - minor fix of EGDecay (patch by Toshi Nagata)
1004        - fixed compiler error when --enable-override-filter-type was
1005          supplied to the configure script (fixes #46)
1006        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
1007          instead of a fix value
1008        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
1009          127 (solo mode) only kill voices if the respective mode really
1010          changed
1011    
1012      * LSCP server:
1013        - fixed compile time error for old Bison versions
1014          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
1015        - parser now supports extended ASCII character set
1016          (up to ASCII code 255, i.e. includes now umlauts and accents)
1017        - filename arguments in LSCP commands now allow to use escape
1018          sequences, that is directly literal as one of: \', \", \\, \n, \r,
1019          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
1020          code value like \xf2) (fixes bug #24)
1021        - the following LSCP commands now also support escape sequences for at
1022          least one of their text-based parameters (i.e. name, description):
1023          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
1024          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
1025          "SET DB_INSTRUMENT_DIRECTORY NAME",
1026          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1027          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1028          "FIND DB_INSTRUMENT_DIRECTORIES"
1029        - returns verbose syntax errors (line and column where syntax error
1030          occured, the unexpected character and the actually expected, possible
1031          character(s), the latter only if less than 5 possibilities)
1032        - made sure that LSCP syntax is not affected by gigedit locale
1033          settings
1034        - bugfix regarding strings parameter lists: all comma separated lists
1035          of strings were treated as being one string containing commas
1036          (fixes #57)
1037    
1038      * Bug fixes:
1039        - fixed crash occurring on certain LSCP scripts (Bug 39)
1040        - another thread safety fix for lscp "load engine" and "set
1041          channel audio output device"
1042        - fixed a crash which occurs when reassigning the same engine
1043          on a sampler channel with connected MIDI device
1044        - fixed a crash which occurs when changing the number of ports of a MIDI
1045          device connected to a sampler channel to number less then or equal
1046          to the index of the port to which the sampler channel is connected.
1047        - The previous bindings were not been disconnected when altering
1048          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1049          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1050        - The active stream/voice count statistic was incorrect.
1051        - notification events were not been sent for some sampler
1052          channel changes
1053        - added default min and max values to restrict the number of allowed
1054          audio output channels and MIDI input ports
1055        - the connection to the PCM interface is now closed when destroying
1056          an audio output device
1057        - files with slash in their path or filename could not be loaded
1058    
1059      * test cases:
1060        - updated and fixed (haven't been touched in a while)
1061    
1062  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
1063    
1064    * packaging changes:    * packaging changes:

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