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revision 696 by persson, Sat Jul 16 19:37:52 2005 UTC revision 2889 by schoenebeck, Mon Apr 25 17:28:23 2016 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      * 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    
24      * packaging changes:
25        - removed unnecessary dependency to libuuid
26          (originated by libgig's usage of it)
27        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
28          auto detect whether it (sh/c)ould output its messages in color.
29    
30      * Real-time instrument scripts:
31        - Implemented scheduler for delayed MIDI events and for suspended scripts.
32        - Built-in script function "wait()": implemented support for function's
33          "duration-us" argument, thus scripts using this function are now
34          correctly resumed after the requested amount of microseconds.
35        - Built-in script function "play_note()": implemented support for
36          function's "duration-us" argument, thus notes triggered with this
37          argument are now correctly released after the requested amount of
38          microseconds.
39        - Fix: script events were not cleared when engine channel was reset,
40          potentially causing undefined behavior.
41        - Fixed crash which happened when trying to reference an undeclared
42          variable.
43        - Built-in script function "play_note()": Added support for passing
44          special value -1 for "duration-us" argument, which will cause the
45          triggered note to be released once the original note was released.
46        - Instrument script classes now exported with the liblinuxsampler C++ API.
47        - Added new API method ScriptVM::syntaxHighlighting() which provides
48          a convenient syntax highlighting backend for external instrument
49          script editor applications.
50        - Added new C++ API class "ScriptVMFactory".
51        - Extended parser issues to provide not only first line and first
52          column, but also last line and last column of issue (thus marking
53          the precise span of the issue within the source code).
54    
55    Version 2.0.0 (15 July 2015)
56    
57      * packaging changes:
58        - fixed building with newer MinGW-w64
59        - Mac OS X: support the new dir for Core Audio SDK
60        - Mac OS X: fixed building outside source directory
61        - made sure all source files for hostplugins are included when
62          doing "make dist"
63        - removed empty directories left from the cvs to svn migration
64        - fixed compilation with gcc 4.6.1
65        - another "make dist" fix, for the LV2 plugin
66        - made --enable-pthread-testcancel default on Mac OS X
67        - minor Makefile fix for building lscpparser when build and source
68          directories are separate
69        - Mac OS X: made it possible to specify plugin installation dir to
70          configure
71        - Mac OS X: Makefile fix for the install-strip target
72        - fixed compilation with gcc 4.7
73        - fixed configure script error with old autoconf versions
74        - lsatomic.h: use gcc provided atomic functions if building with
75          gcc 4.7 and C++11
76        - modernized configure script
77        - fixed linkage error when building with
78          LDFLAGS="-Wl,--no-undefined" (#190)
79        - fixed compilation with Clang 3.2
80        - removed usage of deprecated Automake variable INCLUDES
81        - fixed building with C++11
82        - build fix: ChangeFlagRelaxed.h was missing in makefile
83        - build fix: libsndfile compiler flags were missing in some
84          makefiles
85        - fix for building with bison 3.0 (#202)
86        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
87          on the process's main thread
88        - fixed build error on newer MinGW
89        - support building with older jack versions
90        - support building with spaces in vst sdk path
91        - enabled automake 'subdir-objects' option and moved external
92          source references (vst, au, asio) from makefiles to cpp files,
93          in order to get rid of warnings from automake 1.14
94    
95      * general changes:
96        - Refactoring: moved the independent code from
97          the Gigasampler format engine to base classes
98        - command line option '--profile' is currently disabled, since the
99          respective profiling code is currently broken
100        - Introduced support for optional environment variable
101          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
102          where the sampler shall look for instrument editor plugins
103          (patch by Luis Garrido, slightly modified).
104        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
105        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
106        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
107          note (in this implementation of the sampler its simply hard routed to
108          the 1st effect send of the sampler channel, no matter what the actual
109          effect type is)
110        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
111          note (in this implementation of the sampler its simply hard routed to
112          the 2nd effect send of the sampler channel, no matter what the actual
113          effect type is)
114        - implemented support for internal LADSPA effects
115        - raised limit of program change queue from 100 to 512
116          (as suggested by Alex Stone)
117        - implemented sine LFO, pulse LFO and saw LFO
118        - experimental support for per voice equalization
119        - added command line option --exec-after-init
120        - Introduced new C++ API method:
121          EngineChannel::InstrumentFileName(int index)
122          allowing to retrieve the whole list of files used for the loaded
123          instrument on an engine channel (a.k.a. part). Some GigaStudio
124          instruments for example are splitted over several files like
125          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
126        - Added new C++ API method Sampler::GetGlobalMaxVoices().
127        - Added new C++ API method Sampler::GetGlobalMaxStreams().
128        - Added new C++ API method Sampler::SetGlobalMaxVoices().
129        - Added new C++ API method Sampler::SetGlobalMaxStreams().
130        - Various "const" and "restrict" optimizations.
131        - all engines: add pan CC value to instrument pan parameter before
132          applying panning, instead of using two separate pan functions in
133          series (#182)
134        - added a lock guard class for exception safe mutex handling and
135          used it everywhere appropriate
136        - Immediately apply scale tuning changes to active voices.
137        - Exposed scale tuning to C++ API (along to the already existing standard
138          SysEx way).
139        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
140          and broken for ppc64. (Seq_cst loads and stores are actually not
141          used in LS, so the bug wasn't noticable.)
142        - lsatomic.h: added ARMv7 support
143        - Added support for multiple MIDI input ports per sampler channel (and
144          added various new C++ methods for this new feature / design change, old
145          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
146          as deprecated but are still there and should provide full behavior
147          backward compatibility).
148        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
149          unsafe and caused compilation error with clang 2.x).
150        - Bugfix: only process the latest MIDI program change event.
151        - Introducing the LSCP shell, which provides convenient control of the
152          sampler from the command line by providing LSCP aware features.
153        - VirtualMidiDevice: Added support for program change.
154        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
155        - VirtualMidiDevice: Added support for pitch bend.
156        - Aftertouch: extended API to explicitly handle channel pressure and
157          polyphonic key pressure events (so far polyphonic pressure was not
158          supported at all, and channel pressure was rerouted as CC128 but not
159          used so far).
160        - Added initial support for real-time instrument scripts. The script VM
161          code is shared by all sampler engine implemementations, however only the
162          gig file format currently provides support for storing instrument scripts
163          (as LinuxSampler extension to the original GigaStudio 4 format).
164    
165    * Gigasampler format engine:    * Gigasampler format engine:
166        - implemented the "round robin keyboard" dimension
167        - fixed round robin and random dimensions for cases when number of
168          dimension zones is not a power of two
169        - made round robin use a counter for each region instead of each
170          key
171        - bugfix: pitch LFO controller "internal+aftertouch" was broken
172        - bugfix: filter keyboard tracking was broken
173        - filter performance fix (an unnecessary copy was made of the
174          filter parameters in each sub fragment)
175        - handle special case when pan parameter in gig file has max or
176          min value
177        - Exclusive Groups: don't ever stop voices of the same note,
178          doesn't sound naturally with a drumkit
179        - fixed EG1 modulation when attack or release is zero
180        - Fixed support for 'aftertouch' attenuation controller.
181        - Fixed crash that happened with velocity split sounds under certain
182          conditions (see also previous commit on libgig).
183        - fixed behaviour of filter LFO
184    
185      * SFZ format engine:
186        - Initial implementation (not usable yet)
187        - added support for v2 multiple stage envelope generators
188        - added a fine-tuned v1 envelope generator instead of using the
189          one from the gig engine
190        - fixed memory leak and memory handling errors
191        - added support for trigger=first, trigger=legato and sw_previous
192        - allow non-numerical key values ("C#4" for example)
193        - "key" opcode now sets pitch_keycenter too
194        - fixed error when unloading instrument with same sample used by
195          multiple regions
196        - added some opcode aliases, like loopmode for loop_mode, to be
197          more compatible
198        - added support for trigger=release and rt_decay
199        - added support for off_mode=normal
200        - added support for random, seq_position, seq_length and volume
201        - added v1 LFO opcodes to parser (no support in engine yet)
202        - added support for amp_veltrack and amp_velcurve_N
203        - fine-tuned the default velocity curve
204        - added support for transpose
205        - fixed crash when using sw_down/up
206        - improved logic for sw_lokey/hikey/up/down/last
207        - added more v1 aliases to parser
208        - reduced memory usage for sfz data
209        - RT-safeness: avoid malloc in audio thread
210        - fixed a bug that could cause voice stealing to fail
211        - optimized sample lookup
212        - improved support for exclusive groups (group, off_by and
213          off_mode)
214        - added support for controller triggered regions (on_locc/on_hicc)
215        - added support for loop_mode=one_shot
216        - fixed playback of 16 bit wav files on big endian CPUs
217        - added support for Ogg Vorbis sample files
218        - use loop markers from sample file if loop_start and loop_end are
219          not set in sfz file
220        - implemeted filters. Filter types: lowpass, bandpass, bandreject
221          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
222          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
223          cutoff_cc, cutoff_chanaft.
224        - bugfix: zero ampeg_sustain didn't work
225        - added support for velocity effect on amplifier envelope time
226          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
227          ampeg_vel2release)
228        - added support for EG hold (ampeg_hold)
229        - added support for sample offset (offset)
230        - use the newly introduced signal units model
231        - implemented opcodes lfoN_delay,
232          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
233        - implemented opcodes ampeg_delay, ampeg_vel2delay
234          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
235          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
236          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
237          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
238        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
239          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
240          amplfo_delay, amplfo_freq, amplfo_depth
241        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
242          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
243          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
244          fileg_vel2release
245        - implemented opcode lfoN_wave
246        - implemented opcode pitchlfo_depthccN
247        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
248          lfoN_pitch, lfoN_pitch_onccX
249        - implemented opcodes pitchlfo_fade,
250          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
251        - implemented opcodes fillfo_freqccN,
252          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
253        - implemented opcodes ampeg_delayccN, ampeg_startccN,
254          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
255          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
256        - lfoN_* and egN_* opcodes defined in group sections
257          are now taken into account
258        - implemented curves
259        - implemented opcodes volume_onccN, volume_curveccN
260        - implemented opcode volume_smoothccN
261        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
262          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
263          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
264          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
265          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
266        - implemented opcode end
267        - implemented opcodes egN_amplitude_onccX,
268          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
269          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
270        - implemented opcodes xfin_lokey, xfin_hikey,
271          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
272          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
273          xfout_loccN, xfout_hiccN, xf_cccurve
274        - implemented opcodes pan_onccN, pan_smoothccN,
275          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
276          egN_pan_curveccX, pitch_veltrack
277        - when failed to parse a sfz file
278          print the line number on which the error occurs
279        - use common pool of CC objects to minimize RAM usage
280        - implemented opcodes amplfo_delay_onccN,
281          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
282          pitchlfo_delay_onccN, pitchlfo_fade_onccN
283        - implemented opcodes fileg_delay_onccN,
284          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
285          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
286          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
287          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
288          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
289        - implemented automatic aliasing *ccN <-> *_onccN
290        - *lfo_freqccN wasn't working when the respective *lfo_freq
291          was not set or was set to zero
292        - lfoN_freq_onccX wasn't working when lfoN_freq
293          was not set or was set to zero
294        - implemented opcodes resonance_onccN, resonance_smoothccN,
295          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
296        - implemented opcodes fillfo_depthchanaft,
297          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
298          pitchlfo_depthchanaft, pitchlfo_freqchanaft
299        - implemented opcodes pitch_onccN,
300          pitch_curveccN, pitch_smoothccN, pitch_stepccN
301        - implemented opcodes volume_stepccN, pan_stepccN,
302          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
303          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
304          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
305        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
306          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
307          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
308          eq1_gainccN, eq2_gainccN, eq3_gainccN
309        - implemented opcodes delay, delay_onccN, delay_random,
310          delay_samples, delay_samples_onccN
311        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
312          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
313          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
314          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
315          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
316          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
317          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
318          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
319          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
320          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
321          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
322          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
323          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
324          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
325          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
326        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
327          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
328        - sfz parser: allow double spaces in sample filenames
329        - sfz parser: allow absolute paths for sample filenames
330        - use linear decay and release for filter and pitch EG
331        - bugfix: only the first amp_veltrack definition in a file was
332          used
333        - bugfix: looping was disabled if loop_start was set to 0
334        - allow regions with end=-1 to turn off other regions using the
335          group and off_by opcodes (#168)
336        - made end=0 play the whole sample
337        - fixed support for lochan and hichan opcodes (#155)
338        - fixed crash when using lochan/hichan opcodes (#187)
339        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
340        - added FLAC support (#191)
341        - sfz parser bugfix: lines starting with whitespace were ignored
342        - added amplitude opcode
343        - added support for "#include" instruction
344          (modified patch which was originally posted by Sergey on LS mailing list)
345        - bugfix: generation of velocity curves etc should not be done
346          after each "#include", only after the main file is parsed
347        - bugfix: line numbers in error messages were wrong after "#include"
348        - added support for float and 32 bit sample files
349    
350      * SoundFont format engine:
351        - Initial implementation (not usable yet)
352        - RT-safeness: avoid malloc in audio thread
353        - fixed a bug that could cause voice stealing to fail
354        - fine-tuned amplitude EG (by switching from gig to sfz EG)
355        - initial implementation of Vibrato LFO and Modulation LFO
356        - initial implementation of cutoff filter
357        - use linear decay and release for filter and pitch EG
358    
359      * Host plugins (VST, AU, LV2, DSSI):
360        - AU bugfix: failed to destroy its audio/MIDI devices
361        - Listen to all interfaces on Mac OS X (INADDR_ANY)
362        - VST bugfix: If the host called resume() before and after
363          changing sample rate or block size, the number of channels was
364          incorrectly set to two. This caused silence in Cubase 5.
365        - save engine type (gig, sfz or sf2) in plugin state
366        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
367          64 bit Windows
368        - AU: changed number of output channels from one stereo to 16
369          stereo
370        - VST: made it possible to build the VST plugin for Mac
371        - AU: link AU plugin dynamically if --disable-shared isn't
372          specified
373        - LV2 "state" extension support (patch by David Robillard)
374        - VST bugfix: instrument loading hang and crashed the host when
375          the plugin was loaded a second time (#174)
376        - plugin bugfix: instrument loading hang when the plugin was
377          loaded a second time (this time it's for Linux and Mac, previous
378          similar fix was for Windows)
379        - thread safety fixes for the instrument loading thread
380        - LV2: use the new lv2 package if present
381        - VST: try to open Fantasia automatically on Linux and Mac too (on
382          Linux, the Fantasia jar should be placed in <prefix>/share/java)
383        - VST: fixed crashes on Linux Ardour and EnergyXT
384        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
385          port and audio channel routing for DSSI plugins are now visible.
386        - LV2: use urid and atom extensions instead of deprecated uri-map
387          and event
388        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
389        - LV2: changed number of output channels to 16 stereo, just like
390          the VST and AU plugins
391        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
392        - LV2: made LV2 plugin buildable on Windows and Mac
393        - VST: implemented retrieval and switching of programs using the
394          sampler's internal MIDI instrument mapping system
395    
396      * Instrument editor interface:
397        - Changed instrument editor plugin interface, providing additional
398          informations like the EngineChannel for which the instrument editor was
399          spawned for. This allows the instrument editors to interact more actively
400          with the sampler.
401    
402      * MIDI driver:
403        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
404          the ALSA sequencer client name
405        - removed limit of maximum amount of MIDI ports per MIDI device, since
406          there is no reason for this limit
407        - MME: fixed memory handling bug found with cppcheck
408        - MME: removed compiler warning
409        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
410          which allows to retrieve the list of CoreMIDI clients / ports and to connect
411          to them a la JACK, via the usual sampler APIs
412        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
413          the driver will automatically connect to other CoreMIDI clients' ports
414          (e.g. external MIDI devices being attached to the Mac)
415        - added support for MIDI note on velocity filter
416        - CoreMIDI: fixed memory deallocation error
417        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
418          virtual keyboards in frontends / instrument editors being stuck.
419        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
420        - Implemented missing handling of MIDI "running status".
421        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
422        - MME bugfix: driver wasn't closed properly
423        - CoreMIDI: automatically connect to all input sources by default (driver
424          parameter "AUTO_BIND").
425        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
426        - CoreMIDI: fixed minor memory leak
427    
428      * audio driver:
429        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
430        - JACK audio: react on sample rate changes.
431        - JACK audio: react on buffer size changes.
432        - JACK audio: jack_port_get_buffer() was cached and called outside
433          RT context.
434        - ASIO driver: removed compiler warnings
435        - CoreAudio: fixed minor error handling bug
436        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
437        - JACK audio: return the JACK server's current sample rate as default value
438          for audio device parameter "SAMPLERATE" (fixes #166).
439    
440      * LSCP server:
441        - added support for sending MIDI CC messages via LSCP command
442          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
443        - added LSCP command "GET AVAILABLE_EFFECTS"
444        - added LSCP command "LIST AVAILABLE_EFFECTS"
445        - added LSCP command "GET EFFECT INFO <effect-index>"
446        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
447        - added LSCP command
448          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
449        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
450        - added LSCP command "GET EFFECT_INSTANCES"
451        - added LSCP command "LIST EFFECT_INSTANCES"
452        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
453        - added LSCP command
454          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
455        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
456          <effect-instance> <input-control> <value>"
457        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
458        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
459        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
460        - added LSCP command
461          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
462        - added LSCP command
463          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
464        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
465          <effect-chain> <effect-instance>"
466        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
467          <effect-chain> <effect-chain-pos> <effect-instance>"
468        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
469          <effect-chain> <chain-pos>"
470        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
471          <fx_send_id> <effect_chain> <chain_pos>"
472        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
473        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
474          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
475          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
476        - provide comprehensive error messages on LSCP syntax errors
477          (suggesting expected next non-terminal symbols)
478    
479      * LSCP shell:
480        - Added support for auto correction of obvious and trivial syntax mistakes.
481        - Added support for auto completion by tab key.
482        - Show currently available auto completion while typing.
483        - Added support for browsing command history with up / down keys.
484        - Show all possible next symbols immediately right to the current command
485          line while typing (no double tab required for this feature, as it would
486          be the case in other shells).
487        - Added support for moving cursor left/right with arrow keys.
488        - Added support for built-in LSCP reference documentation, which will
489          automatically show the relevant LSCP reference section on screen as soon
490          as one specific LSCP command was detected while typing on the command
491          line.
492    
493      * Real-time instrument scripts:
494        - Implemented built-in script array variable %CC.
495        - Implemented built-in script int variable $CC_NUM.
496        - Implemented built-in script int variable $EVENT_NOTE.
497        - Implemented built-in script int variable $EVENT_VELOCITY.
498        - Implemented built-in script constant variable $VCC_MONO_AT.
499        - Implemented built-in script constant variable $VCC_PITCH_BEND.
500        - Implemented execution of script event handler "init".
501        - Implemented execution of script event handler "controller".
502        - Implemented execution of script event handler "note".
503        - Implemented execution of script event handler "release".
504        - Implemented built-in script function "play_note()" (only two of the
505          max. four function arguments are currently implemented yet though).
506        - Implemented built-in script int variable $EVENT_ID.
507        - Implemented built-in script function "ignore_event()"
508        - Implemented built-in script function "ignore_controller()" (may have one
509          or no argument).
510        - Implemented built-in script function "set_controller()".
511        - Added extended script VM for the Gigasampler/GigaStudio format sampler
512          engine, which extends the general instrument script VM with Giga format
513          specific variables and functions.
514        - Giga format scripts: added built-in script int constant variables
515          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
516          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
517          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
518          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
519          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
520          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
521          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
522          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
523          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
524          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
525        - Giga format scripts: Implemented built-in script function
526          "gig_set_dim_zone(event_id, dimension, zone)".
527        - Implemented built-in script int array variable $KEY_DOWN.
528        - Implemented built-in script function "abs()".
529        - Implemented built-in script function "random()".
530        - Implemented built-in script function "num_elements()".
531        - Implemented built-in script function "note_off()".
532        - Implemented built-in script function "set_event_mark()".
533        - Implemented built-in script function "delete_event_mark()".
534        - Implemented built-in script function "by_marks()".
535        - Added built-in script int const variables $MARK_1 to $MARK_28.
536        - Built-in script functions "ignore_event()", "note_off()" and
537          "gig_set_dim_zone()" now also accept an array of event IDs as argument
538          (i.e. return value of new script function "by_marks()").
539        - Pass/preserve polyphonic variable data from respective "note" event
540          handler to "release" event handler.
541    
542      * Bug fixes:
543        - Fixed crash which may occur when MIDI key + transpose is out of range
544        - minor valgrind fixes
545        - fixed crash which occurred when changing an already deployed sampler
546          channel to a different engine type
547        - fixed crash when deleting a sampler channel or changing engine
548          type while an instrument load was in progress
549        - bugfix: playing a note while changing the instrument could cause
550          a crash, or give "Handing back unknown region" error messages
551        - bugfix: calling SET VOICES (which Fantasia does on start and
552          refresh) could cause instruments to be unloaded
553        - Mac OS X: fixed name collision of enum in EffectControl and
554          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
555        - Mac OS X: fixed hanging threads
556        - Windows: disabled the previous thread fix on non-Mac systems, as
557          it caused hanging threads on Windows
558        - Fixed possible crashes due to corrupted MIDI/audio device list
559          after MIDI/audio device creation failure
560        - When creating MIDI instrument map entries with "PERSISTENT" type, the
561          instruments were uselessly precached with zero samples, however it still
562          took the full preloading time and on 1st program change the respective
563          instrument was completely reloaded again.
564        - fixed handling of rapid bank select and program change messages
565          sent to the same sampler channel (patch from the Open Octave
566          project, slightly adjusted)
567        - fixed crash when trying to create an effect instance with controls
568          which min and/or max values depend on the sample rate
569        - fixed bug #162
570        - bugfix: LADSPA_PATH was not evaluated correctly when containing
571          multiple paths (#165)
572        - thread safety fixes for the instrument loading thread
573        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
574          (#176)
575        - more thread safety fixes for the instrument loading thread
576        - sfz/sf2 engine: fixed crash when using small audio fragment size
577        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
578        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
579          introduced in previous fix)
580        - fixed crash when a channel received a program change while
581          playing a note in a key group
582        - fixed erroneous error message piping in VoiceBase.h
583          (labelled "Disk stream not available in time")
584        - Update effects on sample rate & period size changes (to avoid
585          crashes and noise on such transitions).
586        - ignore missing LADSPA paths without ignoring valid LADSPA paths
587          (fixes #208)
588        - Fixed bug in LSCP grammar definition which caused a statement like
589          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
590          practically irrelevant, however it caused problems with the new LSCP
591          shell's auto completion feature).
592        - Fixed MIDI program change messages being ignored if quickly executed
593          after each other (fixes #231).
594    
595    Version 1.0.0 (31 July 2009)
596    
597      * packaging changes:
598        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
599          causing e.g. the libgig test to fail when
600          "./configure --disable-jack-driver" was used
601          (patch by Alexis Ballier)
602        - fixed compilation with gcc 4.3
603        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
604        - fixed configure so it detects x86_64 (#107)
605        - fixes for building with newer MinGW versions
606        - fix for building with bison 2.4 (#111)
607        - fixed building with libgig installed in a non-standard directory
608        - minor fix in configure for mmsystem.h detection on MinGW
609        - Windows: look for editor plugins and Fantasia using base
610          directory of liblinuxsampler dll (look in the same directory and one
611          directory above)
612        - configure script fix: removed unconditional use of SSE
613        - fixed building with sqlite installed in a non-standard directory
614        - when cross-compiling, don't try to create instruments.db
615        - fix for new mingw-w64 version, which has usleep
616    
617      * general changes:
618        - bugfix: on some POSIX systems instrument editor plugins refused to
619          load as we used a non-portable Linux specific struct field
620          (fixes bug #70, patch by Ronald Baljeu)
621        - fixed endless loop which occured when loading an instrument editor
622          plugin DLL on Windows systems failed
623        - fixed memory leaks that occurred when liblinuxsampler was unloaded
624        - optimized the SynchronizedConfig class so it doesn't wait
625          unnecessarily long after an update
626        - added support for notifying instrument editors on note-on / note-off
627          events (e.g. to highlight the pressed keys on the virtual keyboard
628          of gigedit)
629        - added support for triggering notes by instrument editors (see above)
630        - be verbose on DLL load errors (on Linux)
631        - fixed di-harmonic triangle LFO implementation (this LFO implementation
632          is only used by very few systems, most pick the int math
633          implementation, which is usually faster)
634        - fixes for audio drivers with varying buffer sizes
635        - experimental support for running LinuxSampler as a DSSI, LV2 and
636          VST plugin
637        - notification events for stream/voice count statistics are now sent
638          only when there are actual changes
639        - added memory ordering constraints to improve stability on
640          multi-core and multi-cpu systems
641        - maximum voices and disk streams can now be altered at runtime
642        - fixed CPU feature detection on x86_64 (maybe fixes #108)
643        - automatic stacktrace mechanism is now turned off by default and can
644          be switched on by command line option "--stacktrace" (the automatic
645          stacktrace mechanism seems to be broken on most systems at the moment)
646        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
647          a pointer to the launched InstrumentEditor object
648        - added optional 3rd party user data parameter for following
649          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
650          InstrumentEditor::Launch(),
651          InstrumentManager::LaunchInstrumentEditor()
652        - theoretical fix: made SynchronizedConfig follow C++0x memory
653          model more strictly
654        - fixes for using large audio device buffers
655        - Windows: add the installation directory to the DLL search path
656          when loading an editor plugin (solves problems with VST and
657          gigedit on systems with other GTK versions installed)
658        - updated linuxsampler man page
659    
660      * audio driver:
661        - removed the nonsense audio channel constraint (which was hard coded to
662          max. 100 audio channels) for most audio drivers
663        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
664          opposed to the LSCP specs
665        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
666          reflected the wrong value
667        - fixed a memory management bug in ASIO driver
668        - Makefile fix: JACK_CFLAGS wasn't used
669        - JACK: use jack_client_open instead of the deprecated
670          jack_client_new
671        - added (experimental) CoreAudio driver
672        - applied old fixes to the ASIO driver that were included in the
673          previous binary release but accidentally never committed to CVS
674          (fixes #117)
675        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
676          win64)
677        - VST: added support for sample rate and buffer size changes
678        - VST: close editor (Fantasia) when the VST is removed
679        - VST: avoid opening Fantasia more than once for each VST instance
680        - VST: export main function as "main" on Linux too (fix for
681          energyXT)
682        - VST: changed number of output channels from one stereo to 16
683          stereo
684        - added channel routing, fxsends and midi maps to the settings
685          stored in the plugin state
686        - performance optimization of AudioChannel::MixTo() and
687          AudioChannel::CopyTo() methods using GCC vector exensions
688          (if available)
689        - ASIO fixes: avoid initializing the device twice, avoid throwing
690          exception when getting parameters from a disconnected device
691    
692      * MIDI driver:
693        - added JACK MIDI driver
694        - dispatch bank select as ordinary CC as well, the user might seriously
695          want to (mis)use it for some purpose ("fixed" in all current MIDI
696          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
697        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
698          CoreMidi or AU
699        - fixed mingw-w64 compilation error in MME driver
700        - made program change handling in MIDI thread real-time safe by
701          moving the logic to a non-RT thread
702        - fixed minor memory leak in ALSA driver
703    
704      * instruments database:
705        - avoid time consuming samples scanning when adding instruments
706          to the instruments database
707        - added support for handling lost files in the instruments database
708        - Implemented option for adding instruments in separate directories
709          in the instruments database
710          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
711        - work-around for missing fnmatch function on Windows to make
712          instrument database compilable
713        - added instrument database support on Windows
714          works with both standalone mode and VST plugin.
715          the instruments DB file is located in
716          %USERPROFILE%\.linuxsampler\instruments.db which allows different
717          databases for each windows user
718          if no DB is present it automatically creates the .linuxsampler subdir
719          and then creates an empty DB
720        - fixed recursive import, which was broken on Windows
721    
722      * Gigasampler format engine:
723        - fixed a memory leak that could happen when a channel was deleted
724          while notes were playing
725        - made it possible to load an instrument even if the audio thread
726          isn't running
727        - added partial support for the "Controller Triggered" MIDI rule,
728          enough for piano gigs with pedal noise samples
729        - minor fix: only mark FX sends as being modified if really the
730          respective FX send MIDI controller was used
731        - added support for GM global device volume SysEx message
732          (can be selected at compile time to either apply globally to the
733          whole sampler [default] or only to the sampler channels that are
734          connected to the respective MIDI input port the SysEx message arrived
735          on)
736        - bugfix: notes triggered at position 0 in the audio buffer were
737          sometimes wrongly killed in the same buffer, causing no sound to
738          be played
739        - added support for chromatic / drumkit mode Roland GS Sysex message
740          which is usally used to switch a part between chromatic sounds and
741          drumkit sounds (as opposed to their common default setting of MIDI
742          part 10 being a drumkit part and all other ones chromatic parts), in
743          LS however one can switch between the first 16 MIDI instrument maps
744          defined for the sampler
745        - made it possible to create multiple sample channels even if the
746          audio thread isn't running
747        - fixed crash when removing channel with active voices (#116)
748        - bugfix: on sample reference changes (instrument editor), only
749          un-cache the respective sample if it's really not used by any
750          sampler engine anymore
751        - re-cache samples in case they were changed by an instrument editor,
752          e.g. when a sample was added while playing (#82)
753        - fixed hanging notes which occured when note-off event had the exact
754          same time stamp as the voice's note-on event and occured both in the
755          same audio fragment cycle (fixes bug #112)
756        - added support for the "fine tune" and "pitch bend range"
757          instrument-level gig parameters
758        - fixed minor artifacts in pitch bend handling
759        - added support for GS Reset SysEx message
760        - allow gig files to use unlimited downward pitch shifting
761        - added a limit check for upward pitch shifting
762        - bugfix: sometimes, when playing a note twice fast, the second
763          note was silent
764        - fixed crash happening when a pitch bend event arrived at the
765          same time a new instrument was loading
766    
767      * LSCP server:
768        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
769          react on MIDI data arriving on certain sampler channels (so far only
770          Note-On and Note-Off events are sent via this LSCP event)
771        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
772          react on MIDI data arriving on certain MIDI input devices (so far only
773          Note-On and Note-Off events are sent via this LSCP event)
774        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
775          SET DB_INSTRUMENT FILE_PATH
776        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
777          frontends to send MIDI messages to specific sampler channel
778        - added two additional fields to GET FILE INSTRUMENT INFO command -
779          KEY_BINDINGS and KEYSWITCH_BINDINGS
780        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
781          was incorrect
782        - Optimized the retrieval of the MIDI instrument mappings
783        - added new LSCP command "SET VOICES" to globally alter the maximum
784          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
785          be triggered respectively
786        - added new LSCP command "SET STREAMS" to globally alter the maximum
787          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
788          which will be triggered respectively
789        - bugfix: retry if "select" returns EINTR (this fixes a crash when
790          a gigedit file dialog is opened)
791        - close all connections when LSCPServer is deleted
792        - hard close of all sockets on exit
793        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
794          driver
795    
796      * Bug fixes:
797        - fixed a crash which occurs when removing a sampler channel waiting
798          to start instrument loading after another channel
799        - fixed a crash which occurs when removing a sampler channel with
800          instrument loading in progress (bug #113)
801        - fixed termination caused by uncaught exception when adding MIDI
802          instrument with PERSISTENT load mode
803        - fixed possible iterator invalidations when resetting the sampler
804        - fixed memory leaks when issuing the following LSCP commands:
805          GET AUDIO_OUTPUT_DRIVER INFO
806          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
807          GET MIDI_INPUT_DRIVER INFO
808          GET MIDI_INPUT_DRIVER_PARAMETER INFO
809        - fixed possible compilation error when sqlite is not present
810        - fixed orphaned pointers when setting maximum voices limit (bug #118)
811        - fixed crash when changing the audio output device of a sampler
812          channel with loaded instrument and start playing notes
813        - fixed endless loop in Engine::SuspendAll() (bug #120)
814        - fixed a low-level atomic load function that was broken on 64-bit
815          PowerPC, which probably could cause crashes on that platform
816        - fixed a memory management error which could cause a crash when a
817          plugin was unloaded
818        - bugfix: two private structs had the same name, which could cause
819          problems if the linker chose the wrong constructor
820        - fixed low-level ConditionServer usage bug that caused lockups on
821          Windows
822    
823    
824    Version 0.5.1 (6 December 2007)
825    
826      * packaging changes:
827        - added autoconf checks for pthread library
828        - added autoconf check for pthread bug found on certain NPTL-enabled
829          glibc versions (see Gentoo bug report #194076)
830        - added autoconf checks for MS Windows
831    
832      * general changes:
833        - bugfix: the thread used by an editor plugin didn't die when the
834          editor closed
835        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
836          out all the space. operator--() did not apply size_mask after
837          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
838          order to avoid problems with the _NonVolatileReader functions.
839        - bugfix: Stream.h: added a missing divide by BytesPerSample in
840          GetWriteSpace(). Since this function is currently only used in
841          the stream's qsort() compare function, it didn't trigger any
842          bugs.
843        - Resampler.h, Synthesizer.h: cubic interpolation now works in
844          24bit mode too. Faster method to read 24bit words on little
845          endian machines (x86): replaced 3 byte reads + shifts with a 1
846          unaligned 32bit read and shift
847        - experimental support for MS Windows (MIDI input via MME, AUDIO
848          output via ASIO)
849        - made handling of SIGINT signal (Ctrl-C) a bit more robust
850        - support for monitoring the total number of active disk streams
851          (new LSCP commands: GET TOTAL_STREAM_COUNT,
852          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
853    
854      * AUDIO driver:
855        - added Windows ASIO low latency audio driver
856    
857      * MIDI driver:
858        - added MME Windows MIDI driver
859    
860      * LSCP server:
861        - added support for Windows style path / filenames, however with
862          forward slash path separators instead of backslash
863          (i.e. "C:/foo/bar.gig")
864        - allow naughty liblscp to send non-string device parameters within
865          apostrophes as well
866        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
867          "LIST FILE INSTRUMENTS <file>" and
868          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
869          about an arbitrary instrument file on the system where the sampler is
870          running on
871    
872    Version 0.5.0 (15 October 2007)
873    
874      * packaging changes:
875        - config.h is not going to be installed along with liblinuxsampler's
876          API header files anymore
877        - only the API relevant header (and source) files will be exported to
878          the Doxygen API documentation (explicitly listed in Doxyfile.in)
879        - added completely new XCode project files for Mac OSX which is now
880          capable to execute our autoconf environment, thus no need anymore
881          to maintain the compile time configuration file (osx/version.h) for
882          OSX manually (patch by Toshi Nagata)
883        - fixed buggy boolean --enable-foo / --disable-foo configure script
884          parameters
885        - global.h now only covers global definitions that are needed for the
886          C++ API header files, all implementation internal global definitions
887          are now in global_private.h
888        - atomic.h is not exposed to the C++ API anymore
889        - no need to include config.h anymore for using LS's API header files
890        - fixed warnings in API doc generation
891    
892      * general changes:
893        - replaced the old, confusing MIDI program change mechanism by a
894          flexible MIDI instrument mapper which allows to map arbitrary
895          (MIDI bank, MIDI program) pairs with arbitrary
896          (engine type, instrument file, file index) triplets which will be
897          loaded on the respective channel when such MIDI program change
898          messages arrive, beside that, each entry allows to define a life-time
899          strategy for the instrument, so the user can define whether the
900          instrument should i.e. be permanently loaded (to be able to switch
901          quickly among sounds) or i.e. loaded just on demand when the
902          respective program change arrives (to safe RAM space), as well as a
903          global volume factor for each entry, so the user can adjust the volume
904          dynamic of his mapped instrument collection without having to modify
905          the instrument files, also one can manage arbitrary amount of such
906          MIDI instrument maps and assign each sampler channel individually
907          a certain map, so that i.e. separation of normal instruments and
908          drumkits is possible
909        - new notification events for tracking changes to audio/MIDI devices,
910          MIDI instrument maps, MIDI instruments, FX sends, global volume.
911        - sampler was limited to load max. 200 instruments in the background
912          due to a constant size RingBuffer FIFO which is now replaced by a
913          dynamic (unlimited) size std::list FIFO
914        - added FX sends, these allow to route audio signals to arbitrary audio
915          output channels for being processed by external effect processors
916          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
917          controllers
918        - global (sampler wide) volume can now be controlled at runtime
919        - Implemented new, improved notification system
920        - fixed compilation errors regarding OSX
921          (patch by Toshi Nagata)
922        - implemented instruments database
923        - added support for escape sequences to the instruments database
924        - added highly experimental support for on-the-fly instrument editing
925          within the sampler's process (by using instrument editor plugins),
926          you'll notice the new "Registered instrument editors:" message on
927          startup, added a new LSCP command:
928          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
929          to spawn a matching instrument editor for the instrument on the
930          given sampler channel, the plugin path can be overridden at compile
931          time with ./configure --enable-plugin-dir=/some/dir
932        - added experimental code for synchronizing instrument editors hosted
933          in the sampler's process to safely edit instruments while playing
934          without a crash (hopefully) by either suspending single regions
935          wherever possible or if unavoidable whole engine(s)
936        - fixed several issues in fundamental "Thread" class: set scheduling
937          policy and priority on thread level, set a minimum stack size for
938          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
939          threads simply inherited properties of starting thread instead of
940          setting their own policy and priority
941        - minor fix in our automatic stack trace mechanism on crashes, the
942          main process did not wait for the stack trace process to finish
943          its output
944        - fixed some minor memory leaks
945        - reenabled assembly features support, at the moment only for
946          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
947        - minor assembly fix in x86 features detection (don't use the PIC
948          register, to avoid relocations in the text segment at runtime)
949        - POSIX callback functions of Thread.h are hidden
950    
951      * MIDI driver:
952        - dispatch bank select (MSB and LSB) messages
953    
954      * audio driver:
955        - the ALSA audio output driver parameters now reflect the correct
956          parameter value ranges for the respective selected sound card
957          (patch by Till Wimmer, a bit fixed and extended)
958    
959      * Gigasampler format engine:
960        - if a filter is used and EG2 finishes before EG1, let the voice
961          die when EG2 has finished (this fixes a problem with clicks and
962          voice starvation for some gigs)
963        - playback is no longer disabled during instrument loading
964        - all notes playing on a channel that changes its instrument keep
965          playing with the old instrument until they get a note off
966          command
967        - EG fix: a release value of zero could cause noises or crash
968        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
969        - EG fine tuning: when attack is zero the EG starts at a level
970          above max sustain level, which means that there is a decay phase
971          even if sustain is 100%
972        - more EG fixes: the level could sometimes go below zero and cause
973          noises or crashes
974        - minor fix of EGDecay (patch by Toshi Nagata)
975        - fixed compiler error when --enable-override-filter-type was
976          supplied to the configure script (fixes #46)
977        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
978          instead of a fix value
979        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
980          127 (solo mode) only kill voices if the respective mode really
981          changed
982    
983      * LSCP server:
984        - fixed compile time error for old Bison versions
985          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
986        - parser now supports extended ASCII character set
987          (up to ASCII code 255, i.e. includes now umlauts and accents)
988        - filename arguments in LSCP commands now allow to use escape
989          sequences, that is directly literal as one of: \', \", \\, \n, \r,
990          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
991          code value like \xf2) (fixes bug #24)
992        - the following LSCP commands now also support escape sequences for at
993          least one of their text-based parameters (i.e. name, description):
994          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
995          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
996          "SET DB_INSTRUMENT_DIRECTORY NAME",
997          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
998          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
999          "FIND DB_INSTRUMENT_DIRECTORIES"
1000        - returns verbose syntax errors (line and column where syntax error
1001          occured, the unexpected character and the actually expected, possible
1002          character(s), the latter only if less than 5 possibilities)
1003        - made sure that LSCP syntax is not affected by gigedit locale
1004          settings
1005        - bugfix regarding strings parameter lists: all comma separated lists
1006          of strings were treated as being one string containing commas
1007          (fixes #57)
1008    
1009      * Bug fixes:
1010        - fixed crash occurring on certain LSCP scripts (Bug 39)
1011        - another thread safety fix for lscp "load engine" and "set
1012          channel audio output device"
1013        - fixed a crash which occurs when reassigning the same engine
1014          on a sampler channel with connected MIDI device
1015        - fixed a crash which occurs when changing the number of ports of a MIDI
1016          device connected to a sampler channel to number less then or equal
1017          to the index of the port to which the sampler channel is connected.
1018        - The previous bindings were not been disconnected when altering
1019          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1020          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1021        - The active stream/voice count statistic was incorrect.
1022        - notification events were not been sent for some sampler
1023          channel changes
1024        - added default min and max values to restrict the number of allowed
1025          audio output channels and MIDI input ports
1026        - the connection to the PCM interface is now closed when destroying
1027          an audio output device
1028        - files with slash in their path or filename could not be loaded
1029    
1030      * test cases:
1031        - updated and fixed (haven't been touched in a while)
1032    
1033    Version 0.4.0 (24 November 2006)
1034    
1035      * packaging changes:
1036        - changed deprecated copyright attribute to license; added ldconfig
1037          to post-(un)install steps; added devel package for liblinuxsampler;
1038          to linuxsampler.spec (RPM)
1039        - install necessary development header files for allowing 3rd party
1040          applications to link against liblinuxsampler
1041        - liblinuxsampler's API documentation can be generated with 'make docs'
1042          (Doxygen required)
1043        - added benchmark to automatically detect the best triangle LFO
1044          implementation (currently either an integer math solution or a
1045          di-harmonic approximation), automatic detection can be overriden
1046          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
1047          configure script argument though (mandatory for cross-compilation)
1048        - do not automatically pick optimized gcc flags if the user already
1049          provided some on his own (as CXXFLAGS)
1050        - added compile time option to disable processing of All-Notes-Off MIDI
1051          messages
1052        - added compile time options to allow disabling the various audio and
1053          MIDI drivers
1054        - fixed automatic GCC CPU switch detection on PPC
1055          (patch by Ebrahim Mayat)
1056    
1057      * Gigasampler format engine:
1058        - extensive synthesis optimization
1059          (reimplementation of EGs and LFO(s), removed synthesis parameter
1060          prerendering and the synthesis parameter matrix in general, splitting
1061          each audio fragment into subfragments now where each subfragment uses
1062          constant pitch and filter coefficients. The volume coefficient is
1063          linearly interpolated inside a subfragment, unless
1064          --disable-interpolate-volume is set.)
1065      - fine tuning of the EG modulation parameters      - fine tuning of the EG modulation parameters
1066        - improved filter cutoff calculation by adding support for the
1067          following gig parameters: Cutoff freq (used when no cutoff
1068          controller is defined), Control invert, Minimum cutoff, Velocity
1069          curve and Velocity range. The keyboard tracking now scales
1070          cutoff frequency instead of resonance.
1071        - added support for gig parameter Resonance.
1072        - fixed bug in sysex handling (patch by Juan Linietsky)
1073        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
1074          which can be overridden with --enable-global-attenuation
1075        - EG fixes: made the length of "attack hold" stage more
1076          accurate. Release stage can now start before attack stage
1077          ends. Cancel release didn't work when sustain was zero. Attack
1078          time now has a minimal value to prevent clicks.
1079        - fixed pitch changes larger than one octave
1080        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
1081        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
1082          all modes can be altered via standard GM messages, that is CC5 for
1083          altering portamento time, CC65 for enabling / disabling portamento
1084          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
1085        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
1086          parameter) and crossfade
1087        - added support for the "attenuation controller threshold" gig
1088          parameter
1089        - added smoothing of volume changes caused by control change
1090          messages
1091        - sample loop parameters are now taken from the DimensionRegion
1092          instead of the wave chunk
1093        - fixed keyswitching for v3 gigs with a number of keyswitch splits
1094          not equal to a power of two
1095        - reimplementation of the filter algorithm. The new filter is more
1096          accurate and supports all gig filter types, including bandreject
1097          and lowpass turbo.
1098        - real support for 24 bit samples - samples are not truncated to
1099          16 bits anymore
1100        - support for aftertouch (channel pressure, not polyphonic
1101          aftertouch)
1102        - LFO1 behaviour fixed (dampening from max volume instead of
1103          amplifying from 0)
1104    
1105      * LSCP server:
1106        - fixed application exit on broken pipe error (fixes bug #20)
1107        - fixed the notification messages delay due to lack of
1108          network activity (fixes bug #26)
1109        - fixed parser bug which occured on space(s) within device parameters
1110          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
1111    
1112      * audio driver:
1113        - added aRts audio output driver (by no means RT safe)
1114    
1115      * MIDI driver:
1116        - fixed legacy sysex code which caused dispatching of MIDI SysEx
1117          messages several times instead of once
1118        - API extension for MIDI drivers which already supply exact time stamps
1119          for events (i.e. for offline rendering based MIDI drivers)
1120        - added checks for bad MIDI data
1121    
1122      * linuxsampler application:
1123        - show available sampler engine types on startup
1124    
1125      * general changes:
1126        - support for muting sampler channels and solo mode of the same, two new
1127          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
1128          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
1129          introduced for this, the behavior is the same like on a mixer console
1130          (patch by Grigor Iliev, a bit adjusted). Also added configure option
1131          --enable-process-muted-channels which can be used to enable the
1132          processing of muted channels.
1133        - support for sostenuto pedal
1134        - support for monitoring the total number of active voices
1135          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
1136          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
1137        - fixed some memory management errors
1138        - fixed some concurrency problems that could lead to crashes when
1139          LSCP commands were executed
1140        - fixed crash when instrument loading failed previously on the same
1141          sampler channel (fixes bug #36)
1142    
1143  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
1144    

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