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revision 738 by schoenebeck, Tue Aug 16 17:14:25 2005 UTC revision 2884 by schoenebeck, Wed Apr 20 15:22:58 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    
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    
47    Version 2.0.0 (15 July 2015)
48    
49      * packaging changes:
50        - fixed building with newer MinGW-w64
51        - Mac OS X: support the new dir for Core Audio SDK
52        - Mac OS X: fixed building outside source directory
53        - made sure all source files for hostplugins are included when
54          doing "make dist"
55        - removed empty directories left from the cvs to svn migration
56        - fixed compilation with gcc 4.6.1
57        - another "make dist" fix, for the LV2 plugin
58        - made --enable-pthread-testcancel default on Mac OS X
59        - minor Makefile fix for building lscpparser when build and source
60          directories are separate
61        - Mac OS X: made it possible to specify plugin installation dir to
62          configure
63        - Mac OS X: Makefile fix for the install-strip target
64        - fixed compilation with gcc 4.7
65        - fixed configure script error with old autoconf versions
66        - lsatomic.h: use gcc provided atomic functions if building with
67          gcc 4.7 and C++11
68        - modernized configure script
69        - fixed linkage error when building with
70          LDFLAGS="-Wl,--no-undefined" (#190)
71        - fixed compilation with Clang 3.2
72        - removed usage of deprecated Automake variable INCLUDES
73        - fixed building with C++11
74        - build fix: ChangeFlagRelaxed.h was missing in makefile
75        - build fix: libsndfile compiler flags were missing in some
76          makefiles
77        - fix for building with bison 3.0 (#202)
78        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
79          on the process's main thread
80        - fixed build error on newer MinGW
81        - support building with older jack versions
82        - support building with spaces in vst sdk path
83        - enabled automake 'subdir-objects' option and moved external
84          source references (vst, au, asio) from makefiles to cpp files,
85          in order to get rid of warnings from automake 1.14
86    
87      * general changes:
88        - Refactoring: moved the independent code from
89          the Gigasampler format engine to base classes
90        - command line option '--profile' is currently disabled, since the
91          respective profiling code is currently broken
92        - Introduced support for optional environment variable
93          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
94          where the sampler shall look for instrument editor plugins
95          (patch by Luis Garrido, slightly modified).
96        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
97        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
98        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
99          note (in this implementation of the sampler its simply hard routed to
100          the 1st effect send of the sampler channel, no matter what the actual
101          effect type is)
102        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
103          note (in this implementation of the sampler its simply hard routed to
104          the 2nd effect send of the sampler channel, no matter what the actual
105          effect type is)
106        - implemented support for internal LADSPA effects
107        - raised limit of program change queue from 100 to 512
108          (as suggested by Alex Stone)
109        - implemented sine LFO, pulse LFO and saw LFO
110        - experimental support for per voice equalization
111        - added command line option --exec-after-init
112        - Introduced new C++ API method:
113          EngineChannel::InstrumentFileName(int index)
114          allowing to retrieve the whole list of files used for the loaded
115          instrument on an engine channel (a.k.a. part). Some GigaStudio
116          instruments for example are splitted over several files like
117          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
118        - Added new C++ API method Sampler::GetGlobalMaxVoices().
119        - Added new C++ API method Sampler::GetGlobalMaxStreams().
120        - Added new C++ API method Sampler::SetGlobalMaxVoices().
121        - Added new C++ API method Sampler::SetGlobalMaxStreams().
122        - Various "const" and "restrict" optimizations.
123        - all engines: add pan CC value to instrument pan parameter before
124          applying panning, instead of using two separate pan functions in
125          series (#182)
126        - added a lock guard class for exception safe mutex handling and
127          used it everywhere appropriate
128        - Immediately apply scale tuning changes to active voices.
129        - Exposed scale tuning to C++ API (along to the already existing standard
130          SysEx way).
131        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
132          and broken for ppc64. (Seq_cst loads and stores are actually not
133          used in LS, so the bug wasn't noticable.)
134        - lsatomic.h: added ARMv7 support
135        - Added support for multiple MIDI input ports per sampler channel (and
136          added various new C++ methods for this new feature / design change, old
137          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
138          as deprecated but are still there and should provide full behavior
139          backward compatibility).
140        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
141          unsafe and caused compilation error with clang 2.x).
142        - Bugfix: only process the latest MIDI program change event.
143        - Introducing the LSCP shell, which provides convenient control of the
144          sampler from the command line by providing LSCP aware features.
145        - VirtualMidiDevice: Added support for program change.
146        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
147        - VirtualMidiDevice: Added support for pitch bend.
148        - Aftertouch: extended API to explicitly handle channel pressure and
149          polyphonic key pressure events (so far polyphonic pressure was not
150          supported at all, and channel pressure was rerouted as CC128 but not
151          used so far).
152        - Added initial support for real-time instrument scripts. The script VM
153          code is shared by all sampler engine implemementations, however only the
154          gig file format currently provides support for storing instrument scripts
155          (as LinuxSampler extension to the original GigaStudio 4 format).
156    
157      * Gigasampler format engine:
158        - implemented the "round robin keyboard" dimension
159        - fixed round robin and random dimensions for cases when number of
160          dimension zones is not a power of two
161        - made round robin use a counter for each region instead of each
162          key
163        - bugfix: pitch LFO controller "internal+aftertouch" was broken
164        - bugfix: filter keyboard tracking was broken
165        - filter performance fix (an unnecessary copy was made of the
166          filter parameters in each sub fragment)
167        - handle special case when pan parameter in gig file has max or
168          min value
169        - Exclusive Groups: don't ever stop voices of the same note,
170          doesn't sound naturally with a drumkit
171        - fixed EG1 modulation when attack or release is zero
172        - Fixed support for 'aftertouch' attenuation controller.
173        - Fixed crash that happened with velocity split sounds under certain
174          conditions (see also previous commit on libgig).
175        - fixed behaviour of filter LFO
176    
177      * SFZ format engine:
178        - Initial implementation (not usable yet)
179        - added support for v2 multiple stage envelope generators
180        - added a fine-tuned v1 envelope generator instead of using the
181          one from the gig engine
182        - fixed memory leak and memory handling errors
183        - added support for trigger=first, trigger=legato and sw_previous
184        - allow non-numerical key values ("C#4" for example)
185        - "key" opcode now sets pitch_keycenter too
186        - fixed error when unloading instrument with same sample used by
187          multiple regions
188        - added some opcode aliases, like loopmode for loop_mode, to be
189          more compatible
190        - added support for trigger=release and rt_decay
191        - added support for off_mode=normal
192        - added support for random, seq_position, seq_length and volume
193        - added v1 LFO opcodes to parser (no support in engine yet)
194        - added support for amp_veltrack and amp_velcurve_N
195        - fine-tuned the default velocity curve
196        - added support for transpose
197        - fixed crash when using sw_down/up
198        - improved logic for sw_lokey/hikey/up/down/last
199        - added more v1 aliases to parser
200        - reduced memory usage for sfz data
201        - RT-safeness: avoid malloc in audio thread
202        - fixed a bug that could cause voice stealing to fail
203        - optimized sample lookup
204        - improved support for exclusive groups (group, off_by and
205          off_mode)
206        - added support for controller triggered regions (on_locc/on_hicc)
207        - added support for loop_mode=one_shot
208        - fixed playback of 16 bit wav files on big endian CPUs
209        - added support for Ogg Vorbis sample files
210        - use loop markers from sample file if loop_start and loop_end are
211          not set in sfz file
212        - implemeted filters. Filter types: lowpass, bandpass, bandreject
213          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
214          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
215          cutoff_cc, cutoff_chanaft.
216        - bugfix: zero ampeg_sustain didn't work
217        - added support for velocity effect on amplifier envelope time
218          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
219          ampeg_vel2release)
220        - added support for EG hold (ampeg_hold)
221        - added support for sample offset (offset)
222        - use the newly introduced signal units model
223        - implemented opcodes lfoN_delay,
224          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
225        - implemented opcodes ampeg_delay, ampeg_vel2delay
226          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
227          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
228          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
229          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
230        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
231          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
232          amplfo_delay, amplfo_freq, amplfo_depth
233        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
234          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
235          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
236          fileg_vel2release
237        - implemented opcode lfoN_wave
238        - implemented opcode pitchlfo_depthccN
239        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
240          lfoN_pitch, lfoN_pitch_onccX
241        - implemented opcodes pitchlfo_fade,
242          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
243        - implemented opcodes fillfo_freqccN,
244          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
245        - implemented opcodes ampeg_delayccN, ampeg_startccN,
246          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
247          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
248        - lfoN_* and egN_* opcodes defined in group sections
249          are now taken into account
250        - implemented curves
251        - implemented opcodes volume_onccN, volume_curveccN
252        - implemented opcode volume_smoothccN
253        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
254          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
255          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
256          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
257          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
258        - implemented opcode end
259        - implemented opcodes egN_amplitude_onccX,
260          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
261          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
262        - implemented opcodes xfin_lokey, xfin_hikey,
263          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
264          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
265          xfout_loccN, xfout_hiccN, xf_cccurve
266        - implemented opcodes pan_onccN, pan_smoothccN,
267          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
268          egN_pan_curveccX, pitch_veltrack
269        - when failed to parse a sfz file
270          print the line number on which the error occurs
271        - use common pool of CC objects to minimize RAM usage
272        - implemented opcodes amplfo_delay_onccN,
273          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
274          pitchlfo_delay_onccN, pitchlfo_fade_onccN
275        - implemented opcodes fileg_delay_onccN,
276          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
277          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
278          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
279          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
280          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
281        - implemented automatic aliasing *ccN <-> *_onccN
282        - *lfo_freqccN wasn't working when the respective *lfo_freq
283          was not set or was set to zero
284        - lfoN_freq_onccX wasn't working when lfoN_freq
285          was not set or was set to zero
286        - implemented opcodes resonance_onccN, resonance_smoothccN,
287          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
288        - implemented opcodes fillfo_depthchanaft,
289          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
290          pitchlfo_depthchanaft, pitchlfo_freqchanaft
291        - implemented opcodes pitch_onccN,
292          pitch_curveccN, pitch_smoothccN, pitch_stepccN
293        - implemented opcodes volume_stepccN, pan_stepccN,
294          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
295          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
296          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
297        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
298          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
299          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
300          eq1_gainccN, eq2_gainccN, eq3_gainccN
301        - implemented opcodes delay, delay_onccN, delay_random,
302          delay_samples, delay_samples_onccN
303        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
304          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
305          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
306          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
307          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
308          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
309          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
310          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
311          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
312          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
313          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
314          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
315          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
316          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
317          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
318        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
319          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
320        - sfz parser: allow double spaces in sample filenames
321        - sfz parser: allow absolute paths for sample filenames
322        - use linear decay and release for filter and pitch EG
323        - bugfix: only the first amp_veltrack definition in a file was
324          used
325        - bugfix: looping was disabled if loop_start was set to 0
326        - allow regions with end=-1 to turn off other regions using the
327          group and off_by opcodes (#168)
328        - made end=0 play the whole sample
329        - fixed support for lochan and hichan opcodes (#155)
330        - fixed crash when using lochan/hichan opcodes (#187)
331        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
332        - added FLAC support (#191)
333        - sfz parser bugfix: lines starting with whitespace were ignored
334        - added amplitude opcode
335        - added support for "#include" instruction
336          (modified patch which was originally posted by Sergey on LS mailing list)
337        - bugfix: generation of velocity curves etc should not be done
338          after each "#include", only after the main file is parsed
339        - bugfix: line numbers in error messages were wrong after "#include"
340        - added support for float and 32 bit sample files
341    
342      * SoundFont format engine:
343        - Initial implementation (not usable yet)
344        - RT-safeness: avoid malloc in audio thread
345        - fixed a bug that could cause voice stealing to fail
346        - fine-tuned amplitude EG (by switching from gig to sfz EG)
347        - initial implementation of Vibrato LFO and Modulation LFO
348        - initial implementation of cutoff filter
349        - use linear decay and release for filter and pitch EG
350    
351      * Host plugins (VST, AU, LV2, DSSI):
352        - AU bugfix: failed to destroy its audio/MIDI devices
353        - Listen to all interfaces on Mac OS X (INADDR_ANY)
354        - VST bugfix: If the host called resume() before and after
355          changing sample rate or block size, the number of channels was
356          incorrectly set to two. This caused silence in Cubase 5.
357        - save engine type (gig, sfz or sf2) in plugin state
358        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
359          64 bit Windows
360        - AU: changed number of output channels from one stereo to 16
361          stereo
362        - VST: made it possible to build the VST plugin for Mac
363        - AU: link AU plugin dynamically if --disable-shared isn't
364          specified
365        - LV2 "state" extension support (patch by David Robillard)
366        - VST bugfix: instrument loading hang and crashed the host when
367          the plugin was loaded a second time (#174)
368        - plugin bugfix: instrument loading hang when the plugin was
369          loaded a second time (this time it's for Linux and Mac, previous
370          similar fix was for Windows)
371        - thread safety fixes for the instrument loading thread
372        - LV2: use the new lv2 package if present
373        - VST: try to open Fantasia automatically on Linux and Mac too (on
374          Linux, the Fantasia jar should be placed in <prefix>/share/java)
375        - VST: fixed crashes on Linux Ardour and EnergyXT
376        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
377          port and audio channel routing for DSSI plugins are now visible.
378        - LV2: use urid and atom extensions instead of deprecated uri-map
379          and event
380        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
381        - LV2: changed number of output channels to 16 stereo, just like
382          the VST and AU plugins
383        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
384        - LV2: made LV2 plugin buildable on Windows and Mac
385        - VST: implemented retrieval and switching of programs using the
386          sampler's internal MIDI instrument mapping system
387    
388      * Instrument editor interface:
389        - Changed instrument editor plugin interface, providing additional
390          informations like the EngineChannel for which the instrument editor was
391          spawned for. This allows the instrument editors to interact more actively
392          with the sampler.
393    
394      * MIDI driver:
395        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
396          the ALSA sequencer client name
397        - removed limit of maximum amount of MIDI ports per MIDI device, since
398          there is no reason for this limit
399        - MME: fixed memory handling bug found with cppcheck
400        - MME: removed compiler warning
401        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
402          which allows to retrieve the list of CoreMIDI clients / ports and to connect
403          to them a la JACK, via the usual sampler APIs
404        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
405          the driver will automatically connect to other CoreMIDI clients' ports
406          (e.g. external MIDI devices being attached to the Mac)
407        - added support for MIDI note on velocity filter
408        - CoreMIDI: fixed memory deallocation error
409        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
410          virtual keyboards in frontends / instrument editors being stuck.
411        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
412        - Implemented missing handling of MIDI "running status".
413        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
414        - MME bugfix: driver wasn't closed properly
415        - CoreMIDI: automatically connect to all input sources by default (driver
416          parameter "AUTO_BIND").
417        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
418        - CoreMIDI: fixed minor memory leak
419    
420      * audio driver:
421        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
422        - JACK audio: react on sample rate changes.
423        - JACK audio: react on buffer size changes.
424        - JACK audio: jack_port_get_buffer() was cached and called outside
425          RT context.
426        - ASIO driver: removed compiler warnings
427        - CoreAudio: fixed minor error handling bug
428        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
429        - JACK audio: return the JACK server's current sample rate as default value
430          for audio device parameter "SAMPLERATE" (fixes #166).
431    
432      * LSCP server:
433        - added support for sending MIDI CC messages via LSCP command
434          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
435        - added LSCP command "GET AVAILABLE_EFFECTS"
436        - added LSCP command "LIST AVAILABLE_EFFECTS"
437        - added LSCP command "GET EFFECT INFO <effect-index>"
438        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
439        - added LSCP command
440          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
441        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
442        - added LSCP command "GET EFFECT_INSTANCES"
443        - added LSCP command "LIST EFFECT_INSTANCES"
444        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
445        - added LSCP command
446          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
447        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
448          <effect-instance> <input-control> <value>"
449        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
450        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
451        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
452        - added LSCP command
453          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
454        - added LSCP command
455          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
456        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
457          <effect-chain> <effect-instance>"
458        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
459          <effect-chain> <effect-chain-pos> <effect-instance>"
460        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
461          <effect-chain> <chain-pos>"
462        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
463          <fx_send_id> <effect_chain> <chain_pos>"
464        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
465        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
466          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
467          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
468        - provide comprehensive error messages on LSCP syntax errors
469          (suggesting expected next non-terminal symbols)
470    
471      * LSCP shell:
472        - Added support for auto correction of obvious and trivial syntax mistakes.
473        - Added support for auto completion by tab key.
474        - Show currently available auto completion while typing.
475        - Added support for browsing command history with up / down keys.
476        - Show all possible next symbols immediately right to the current command
477          line while typing (no double tab required for this feature, as it would
478          be the case in other shells).
479        - Added support for moving cursor left/right with arrow keys.
480        - Added support for built-in LSCP reference documentation, which will
481          automatically show the relevant LSCP reference section on screen as soon
482          as one specific LSCP command was detected while typing on the command
483          line.
484    
485      * Real-time instrument scripts:
486        - Implemented built-in script array variable %CC.
487        - Implemented built-in script int variable $CC_NUM.
488        - Implemented built-in script int variable $EVENT_NOTE.
489        - Implemented built-in script int variable $EVENT_VELOCITY.
490        - Implemented built-in script constant variable $VCC_MONO_AT.
491        - Implemented built-in script constant variable $VCC_PITCH_BEND.
492        - Implemented execution of script event handler "init".
493        - Implemented execution of script event handler "controller".
494        - Implemented execution of script event handler "note".
495        - Implemented execution of script event handler "release".
496        - Implemented built-in script function "play_note()" (only two of the
497          max. four function arguments are currently implemented yet though).
498        - Implemented built-in script int variable $EVENT_ID.
499        - Implemented built-in script function "ignore_event()"
500        - Implemented built-in script function "ignore_controller()" (may have one
501          or no argument).
502        - Implemented built-in script function "set_controller()".
503        - Added extended script VM for the Gigasampler/GigaStudio format sampler
504          engine, which extends the general instrument script VM with Giga format
505          specific variables and functions.
506        - Giga format scripts: added built-in script int constant variables
507          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
508          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
509          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
510          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
511          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
512          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
513          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
514          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
515          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
516          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
517        - Giga format scripts: Implemented built-in script function
518          "gig_set_dim_zone(event_id, dimension, zone)".
519        - Implemented built-in script int array variable $KEY_DOWN.
520        - Implemented built-in script function "abs()".
521        - Implemented built-in script function "random()".
522        - Implemented built-in script function "num_elements()".
523        - Implemented built-in script function "note_off()".
524        - Implemented built-in script function "set_event_mark()".
525        - Implemented built-in script function "delete_event_mark()".
526        - Implemented built-in script function "by_marks()".
527        - Added built-in script int const variables $MARK_1 to $MARK_28.
528        - Built-in script functions "ignore_event()", "note_off()" and
529          "gig_set_dim_zone()" now also accept an array of event IDs as argument
530          (i.e. return value of new script function "by_marks()").
531        - Pass/preserve polyphonic variable data from respective "note" event
532          handler to "release" event handler.
533    
534      * Bug fixes:
535        - Fixed crash which may occur when MIDI key + transpose is out of range
536        - minor valgrind fixes
537        - fixed crash which occurred when changing an already deployed sampler
538          channel to a different engine type
539        - fixed crash when deleting a sampler channel or changing engine
540          type while an instrument load was in progress
541        - bugfix: playing a note while changing the instrument could cause
542          a crash, or give "Handing back unknown region" error messages
543        - bugfix: calling SET VOICES (which Fantasia does on start and
544          refresh) could cause instruments to be unloaded
545        - Mac OS X: fixed name collision of enum in EffectControl and
546          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
547        - Mac OS X: fixed hanging threads
548        - Windows: disabled the previous thread fix on non-Mac systems, as
549          it caused hanging threads on Windows
550        - Fixed possible crashes due to corrupted MIDI/audio device list
551          after MIDI/audio device creation failure
552        - When creating MIDI instrument map entries with "PERSISTENT" type, the
553          instruments were uselessly precached with zero samples, however it still
554          took the full preloading time and on 1st program change the respective
555          instrument was completely reloaded again.
556        - fixed handling of rapid bank select and program change messages
557          sent to the same sampler channel (patch from the Open Octave
558          project, slightly adjusted)
559        - fixed crash when trying to create an effect instance with controls
560          which min and/or max values depend on the sample rate
561        - fixed bug #162
562        - bugfix: LADSPA_PATH was not evaluated correctly when containing
563          multiple paths (#165)
564        - thread safety fixes for the instrument loading thread
565        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
566          (#176)
567        - more thread safety fixes for the instrument loading thread
568        - sfz/sf2 engine: fixed crash when using small audio fragment size
569        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
570        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
571          introduced in previous fix)
572        - fixed crash when a channel received a program change while
573          playing a note in a key group
574        - fixed erroneous error message piping in VoiceBase.h
575          (labelled "Disk stream not available in time")
576        - Update effects on sample rate & period size changes (to avoid
577          crashes and noise on such transitions).
578        - ignore missing LADSPA paths without ignoring valid LADSPA paths
579          (fixes #208)
580        - Fixed bug in LSCP grammar definition which caused a statement like
581          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
582          practically irrelevant, however it caused problems with the new LSCP
583          shell's auto completion feature).
584        - Fixed MIDI program change messages being ignored if quickly executed
585          after each other (fixes #231).
586    
587    Version 1.0.0 (31 July 2009)
588    
589      * packaging changes:
590        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
591          causing e.g. the libgig test to fail when
592          "./configure --disable-jack-driver" was used
593          (patch by Alexis Ballier)
594        - fixed compilation with gcc 4.3
595        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
596        - fixed configure so it detects x86_64 (#107)
597        - fixes for building with newer MinGW versions
598        - fix for building with bison 2.4 (#111)
599        - fixed building with libgig installed in a non-standard directory
600        - minor fix in configure for mmsystem.h detection on MinGW
601        - Windows: look for editor plugins and Fantasia using base
602          directory of liblinuxsampler dll (look in the same directory and one
603          directory above)
604        - configure script fix: removed unconditional use of SSE
605        - fixed building with sqlite installed in a non-standard directory
606        - when cross-compiling, don't try to create instruments.db
607        - fix for new mingw-w64 version, which has usleep
608    
609      * general changes:
610        - bugfix: on some POSIX systems instrument editor plugins refused to
611          load as we used a non-portable Linux specific struct field
612          (fixes bug #70, patch by Ronald Baljeu)
613        - fixed endless loop which occured when loading an instrument editor
614          plugin DLL on Windows systems failed
615        - fixed memory leaks that occurred when liblinuxsampler was unloaded
616        - optimized the SynchronizedConfig class so it doesn't wait
617          unnecessarily long after an update
618        - added support for notifying instrument editors on note-on / note-off
619          events (e.g. to highlight the pressed keys on the virtual keyboard
620          of gigedit)
621        - added support for triggering notes by instrument editors (see above)
622        - be verbose on DLL load errors (on Linux)
623        - fixed di-harmonic triangle LFO implementation (this LFO implementation
624          is only used by very few systems, most pick the int math
625          implementation, which is usually faster)
626        - fixes for audio drivers with varying buffer sizes
627        - experimental support for running LinuxSampler as a DSSI, LV2 and
628          VST plugin
629        - notification events for stream/voice count statistics are now sent
630          only when there are actual changes
631        - added memory ordering constraints to improve stability on
632          multi-core and multi-cpu systems
633        - maximum voices and disk streams can now be altered at runtime
634        - fixed CPU feature detection on x86_64 (maybe fixes #108)
635        - automatic stacktrace mechanism is now turned off by default and can
636          be switched on by command line option "--stacktrace" (the automatic
637          stacktrace mechanism seems to be broken on most systems at the moment)
638        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
639          a pointer to the launched InstrumentEditor object
640        - added optional 3rd party user data parameter for following
641          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
642          InstrumentEditor::Launch(),
643          InstrumentManager::LaunchInstrumentEditor()
644        - theoretical fix: made SynchronizedConfig follow C++0x memory
645          model more strictly
646        - fixes for using large audio device buffers
647        - Windows: add the installation directory to the DLL search path
648          when loading an editor plugin (solves problems with VST and
649          gigedit on systems with other GTK versions installed)
650        - updated linuxsampler man page
651    
652      * audio driver:
653        - removed the nonsense audio channel constraint (which was hard coded to
654          max. 100 audio channels) for most audio drivers
655        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
656          opposed to the LSCP specs
657        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
658          reflected the wrong value
659        - fixed a memory management bug in ASIO driver
660        - Makefile fix: JACK_CFLAGS wasn't used
661        - JACK: use jack_client_open instead of the deprecated
662          jack_client_new
663        - added (experimental) CoreAudio driver
664        - applied old fixes to the ASIO driver that were included in the
665          previous binary release but accidentally never committed to CVS
666          (fixes #117)
667        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
668          win64)
669        - VST: added support for sample rate and buffer size changes
670        - VST: close editor (Fantasia) when the VST is removed
671        - VST: avoid opening Fantasia more than once for each VST instance
672        - VST: export main function as "main" on Linux too (fix for
673          energyXT)
674        - VST: changed number of output channels from one stereo to 16
675          stereo
676        - added channel routing, fxsends and midi maps to the settings
677          stored in the plugin state
678        - performance optimization of AudioChannel::MixTo() and
679          AudioChannel::CopyTo() methods using GCC vector exensions
680          (if available)
681        - ASIO fixes: avoid initializing the device twice, avoid throwing
682          exception when getting parameters from a disconnected device
683    
684      * MIDI driver:
685        - added JACK MIDI driver
686        - dispatch bank select as ordinary CC as well, the user might seriously
687          want to (mis)use it for some purpose ("fixed" in all current MIDI
688          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
689        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
690          CoreMidi or AU
691        - fixed mingw-w64 compilation error in MME driver
692        - made program change handling in MIDI thread real-time safe by
693          moving the logic to a non-RT thread
694        - fixed minor memory leak in ALSA driver
695    
696      * instruments database:
697        - avoid time consuming samples scanning when adding instruments
698          to the instruments database
699        - added support for handling lost files in the instruments database
700        - Implemented option for adding instruments in separate directories
701          in the instruments database
702          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
703        - work-around for missing fnmatch function on Windows to make
704          instrument database compilable
705        - added instrument database support on Windows
706          works with both standalone mode and VST plugin.
707          the instruments DB file is located in
708          %USERPROFILE%\.linuxsampler\instruments.db which allows different
709          databases for each windows user
710          if no DB is present it automatically creates the .linuxsampler subdir
711          and then creates an empty DB
712        - fixed recursive import, which was broken on Windows
713    
714      * Gigasampler format engine:
715        - fixed a memory leak that could happen when a channel was deleted
716          while notes were playing
717        - made it possible to load an instrument even if the audio thread
718          isn't running
719        - added partial support for the "Controller Triggered" MIDI rule,
720          enough for piano gigs with pedal noise samples
721        - minor fix: only mark FX sends as being modified if really the
722          respective FX send MIDI controller was used
723        - added support for GM global device volume SysEx message
724          (can be selected at compile time to either apply globally to the
725          whole sampler [default] or only to the sampler channels that are
726          connected to the respective MIDI input port the SysEx message arrived
727          on)
728        - bugfix: notes triggered at position 0 in the audio buffer were
729          sometimes wrongly killed in the same buffer, causing no sound to
730          be played
731        - added support for chromatic / drumkit mode Roland GS Sysex message
732          which is usally used to switch a part between chromatic sounds and
733          drumkit sounds (as opposed to their common default setting of MIDI
734          part 10 being a drumkit part and all other ones chromatic parts), in
735          LS however one can switch between the first 16 MIDI instrument maps
736          defined for the sampler
737        - made it possible to create multiple sample channels even if the
738          audio thread isn't running
739        - fixed crash when removing channel with active voices (#116)
740        - bugfix: on sample reference changes (instrument editor), only
741          un-cache the respective sample if it's really not used by any
742          sampler engine anymore
743        - re-cache samples in case they were changed by an instrument editor,
744          e.g. when a sample was added while playing (#82)
745        - fixed hanging notes which occured when note-off event had the exact
746          same time stamp as the voice's note-on event and occured both in the
747          same audio fragment cycle (fixes bug #112)
748        - added support for the "fine tune" and "pitch bend range"
749          instrument-level gig parameters
750        - fixed minor artifacts in pitch bend handling
751        - added support for GS Reset SysEx message
752        - allow gig files to use unlimited downward pitch shifting
753        - added a limit check for upward pitch shifting
754        - bugfix: sometimes, when playing a note twice fast, the second
755          note was silent
756        - fixed crash happening when a pitch bend event arrived at the
757          same time a new instrument was loading
758    
759      * LSCP server:
760        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
761          react on MIDI data arriving on certain sampler channels (so far only
762          Note-On and Note-Off events are sent via this LSCP event)
763        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
764          react on MIDI data arriving on certain MIDI input devices (so far only
765          Note-On and Note-Off events are sent via this LSCP event)
766        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
767          SET DB_INSTRUMENT FILE_PATH
768        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
769          frontends to send MIDI messages to specific sampler channel
770        - added two additional fields to GET FILE INSTRUMENT INFO command -
771          KEY_BINDINGS and KEYSWITCH_BINDINGS
772        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
773          was incorrect
774        - Optimized the retrieval of the MIDI instrument mappings
775        - added new LSCP command "SET VOICES" to globally alter the maximum
776          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
777          be triggered respectively
778        - added new LSCP command "SET STREAMS" to globally alter the maximum
779          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
780          which will be triggered respectively
781        - bugfix: retry if "select" returns EINTR (this fixes a crash when
782          a gigedit file dialog is opened)
783        - close all connections when LSCPServer is deleted
784        - hard close of all sockets on exit
785        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
786          driver
787    
788      * Bug fixes:
789        - fixed a crash which occurs when removing a sampler channel waiting
790          to start instrument loading after another channel
791        - fixed a crash which occurs when removing a sampler channel with
792          instrument loading in progress (bug #113)
793        - fixed termination caused by uncaught exception when adding MIDI
794          instrument with PERSISTENT load mode
795        - fixed possible iterator invalidations when resetting the sampler
796        - fixed memory leaks when issuing the following LSCP commands:
797          GET AUDIO_OUTPUT_DRIVER INFO
798          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
799          GET MIDI_INPUT_DRIVER INFO
800          GET MIDI_INPUT_DRIVER_PARAMETER INFO
801        - fixed possible compilation error when sqlite is not present
802        - fixed orphaned pointers when setting maximum voices limit (bug #118)
803        - fixed crash when changing the audio output device of a sampler
804          channel with loaded instrument and start playing notes
805        - fixed endless loop in Engine::SuspendAll() (bug #120)
806        - fixed a low-level atomic load function that was broken on 64-bit
807          PowerPC, which probably could cause crashes on that platform
808        - fixed a memory management error which could cause a crash when a
809          plugin was unloaded
810        - bugfix: two private structs had the same name, which could cause
811          problems if the linker chose the wrong constructor
812        - fixed low-level ConditionServer usage bug that caused lockups on
813          Windows
814    
815    
816    Version 0.5.1 (6 December 2007)
817    
818      * packaging changes:
819        - added autoconf checks for pthread library
820        - added autoconf check for pthread bug found on certain NPTL-enabled
821          glibc versions (see Gentoo bug report #194076)
822        - added autoconf checks for MS Windows
823    
824      * general changes:
825        - bugfix: the thread used by an editor plugin didn't die when the
826          editor closed
827        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
828          out all the space. operator--() did not apply size_mask after
829          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
830          order to avoid problems with the _NonVolatileReader functions.
831        - bugfix: Stream.h: added a missing divide by BytesPerSample in
832          GetWriteSpace(). Since this function is currently only used in
833          the stream's qsort() compare function, it didn't trigger any
834          bugs.
835        - Resampler.h, Synthesizer.h: cubic interpolation now works in
836          24bit mode too. Faster method to read 24bit words on little
837          endian machines (x86): replaced 3 byte reads + shifts with a 1
838          unaligned 32bit read and shift
839        - experimental support for MS Windows (MIDI input via MME, AUDIO
840          output via ASIO)
841        - made handling of SIGINT signal (Ctrl-C) a bit more robust
842        - support for monitoring the total number of active disk streams
843          (new LSCP commands: GET TOTAL_STREAM_COUNT,
844          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
845    
846      * AUDIO driver:
847        - added Windows ASIO low latency audio driver
848    
849      * MIDI driver:
850        - added MME Windows MIDI driver
851    
852      * LSCP server:
853        - added support for Windows style path / filenames, however with
854          forward slash path separators instead of backslash
855          (i.e. "C:/foo/bar.gig")
856        - allow naughty liblscp to send non-string device parameters within
857          apostrophes as well
858        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
859          "LIST FILE INSTRUMENTS <file>" and
860          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
861          about an arbitrary instrument file on the system where the sampler is
862          running on
863    
864    Version 0.5.0 (15 October 2007)
865    
866    * packaging changes:    * packaging changes:
867        - config.h is not going to be installed along with liblinuxsampler's
868          API header files anymore
869        - only the API relevant header (and source) files will be exported to
870          the Doxygen API documentation (explicitly listed in Doxyfile.in)
871        - added completely new XCode project files for Mac OSX which is now
872          capable to execute our autoconf environment, thus no need anymore
873          to maintain the compile time configuration file (osx/version.h) for
874          OSX manually (patch by Toshi Nagata)
875        - fixed buggy boolean --enable-foo / --disable-foo configure script
876          parameters
877        - global.h now only covers global definitions that are needed for the
878          C++ API header files, all implementation internal global definitions
879          are now in global_private.h
880        - atomic.h is not exposed to the C++ API anymore
881        - no need to include config.h anymore for using LS's API header files
882        - fixed warnings in API doc generation
883    
884      * general changes:
885        - replaced the old, confusing MIDI program change mechanism by a
886          flexible MIDI instrument mapper which allows to map arbitrary
887          (MIDI bank, MIDI program) pairs with arbitrary
888          (engine type, instrument file, file index) triplets which will be
889          loaded on the respective channel when such MIDI program change
890          messages arrive, beside that, each entry allows to define a life-time
891          strategy for the instrument, so the user can define whether the
892          instrument should i.e. be permanently loaded (to be able to switch
893          quickly among sounds) or i.e. loaded just on demand when the
894          respective program change arrives (to safe RAM space), as well as a
895          global volume factor for each entry, so the user can adjust the volume
896          dynamic of his mapped instrument collection without having to modify
897          the instrument files, also one can manage arbitrary amount of such
898          MIDI instrument maps and assign each sampler channel individually
899          a certain map, so that i.e. separation of normal instruments and
900          drumkits is possible
901        - new notification events for tracking changes to audio/MIDI devices,
902          MIDI instrument maps, MIDI instruments, FX sends, global volume.
903        - sampler was limited to load max. 200 instruments in the background
904          due to a constant size RingBuffer FIFO which is now replaced by a
905          dynamic (unlimited) size std::list FIFO
906        - added FX sends, these allow to route audio signals to arbitrary audio
907          output channels for being processed by external effect processors
908          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
909          controllers
910        - global (sampler wide) volume can now be controlled at runtime
911        - Implemented new, improved notification system
912        - fixed compilation errors regarding OSX
913          (patch by Toshi Nagata)
914        - implemented instruments database
915        - added support for escape sequences to the instruments database
916        - added highly experimental support for on-the-fly instrument editing
917          within the sampler's process (by using instrument editor plugins),
918          you'll notice the new "Registered instrument editors:" message on
919          startup, added a new LSCP command:
920          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
921          to spawn a matching instrument editor for the instrument on the
922          given sampler channel, the plugin path can be overridden at compile
923          time with ./configure --enable-plugin-dir=/some/dir
924        - added experimental code for synchronizing instrument editors hosted
925          in the sampler's process to safely edit instruments while playing
926          without a crash (hopefully) by either suspending single regions
927          wherever possible or if unavoidable whole engine(s)
928        - fixed several issues in fundamental "Thread" class: set scheduling
929          policy and priority on thread level, set a minimum stack size for
930          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
931          threads simply inherited properties of starting thread instead of
932          setting their own policy and priority
933        - minor fix in our automatic stack trace mechanism on crashes, the
934          main process did not wait for the stack trace process to finish
935          its output
936        - fixed some minor memory leaks
937        - reenabled assembly features support, at the moment only for
938          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
939        - minor assembly fix in x86 features detection (don't use the PIC
940          register, to avoid relocations in the text segment at runtime)
941        - POSIX callback functions of Thread.h are hidden
942    
943      * MIDI driver:
944        - dispatch bank select (MSB and LSB) messages
945    
946      * audio driver:
947        - the ALSA audio output driver parameters now reflect the correct
948          parameter value ranges for the respective selected sound card
949          (patch by Till Wimmer, a bit fixed and extended)
950    
951      * Gigasampler format engine:
952        - if a filter is used and EG2 finishes before EG1, let the voice
953          die when EG2 has finished (this fixes a problem with clicks and
954          voice starvation for some gigs)
955        - playback is no longer disabled during instrument loading
956        - all notes playing on a channel that changes its instrument keep
957          playing with the old instrument until they get a note off
958          command
959        - EG fix: a release value of zero could cause noises or crash
960        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
961        - EG fine tuning: when attack is zero the EG starts at a level
962          above max sustain level, which means that there is a decay phase
963          even if sustain is 100%
964        - more EG fixes: the level could sometimes go below zero and cause
965          noises or crashes
966        - minor fix of EGDecay (patch by Toshi Nagata)
967        - fixed compiler error when --enable-override-filter-type was
968          supplied to the configure script (fixes #46)
969        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
970          instead of a fix value
971        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
972          127 (solo mode) only kill voices if the respective mode really
973          changed
974    
975      * LSCP server:
976        - fixed compile time error for old Bison versions
977          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
978        - parser now supports extended ASCII character set
979          (up to ASCII code 255, i.e. includes now umlauts and accents)
980        - filename arguments in LSCP commands now allow to use escape
981          sequences, that is directly literal as one of: \', \", \\, \n, \r,
982          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
983          code value like \xf2) (fixes bug #24)
984        - the following LSCP commands now also support escape sequences for at
985          least one of their text-based parameters (i.e. name, description):
986          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
987          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
988          "SET DB_INSTRUMENT_DIRECTORY NAME",
989          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
990          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
991          "FIND DB_INSTRUMENT_DIRECTORIES"
992        - returns verbose syntax errors (line and column where syntax error
993          occured, the unexpected character and the actually expected, possible
994          character(s), the latter only if less than 5 possibilities)
995        - made sure that LSCP syntax is not affected by gigedit locale
996          settings
997        - bugfix regarding strings parameter lists: all comma separated lists
998          of strings were treated as being one string containing commas
999          (fixes #57)
1000    
1001      * Bug fixes:
1002        - fixed crash occurring on certain LSCP scripts (Bug 39)
1003        - another thread safety fix for lscp "load engine" and "set
1004          channel audio output device"
1005        - fixed a crash which occurs when reassigning the same engine
1006          on a sampler channel with connected MIDI device
1007        - fixed a crash which occurs when changing the number of ports of a MIDI
1008          device connected to a sampler channel to number less then or equal
1009          to the index of the port to which the sampler channel is connected.
1010        - The previous bindings were not been disconnected when altering
1011          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1012          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1013        - The active stream/voice count statistic was incorrect.
1014        - notification events were not been sent for some sampler
1015          channel changes
1016        - added default min and max values to restrict the number of allowed
1017          audio output channels and MIDI input ports
1018        - the connection to the PCM interface is now closed when destroying
1019          an audio output device
1020        - files with slash in their path or filename could not be loaded
1021    
1022      * test cases:
1023        - updated and fixed (haven't been touched in a while)
1024    
1025    Version 0.4.0 (24 November 2006)
1026    
1027      * packaging changes:
1028        - changed deprecated copyright attribute to license; added ldconfig
1029          to post-(un)install steps; added devel package for liblinuxsampler;
1030          to linuxsampler.spec (RPM)
1031      - install necessary development header files for allowing 3rd party      - install necessary development header files for allowing 3rd party
1032        applications to link against liblinuxsampler        applications to link against liblinuxsampler
1033      - liblinuxsampler's API documentation can be generated with 'make docs'      - liblinuxsampler's API documentation can be generated with 'make docs'
# Line 10  Version CVS HEAD (?) Line 1037  Version CVS HEAD (?)
1037        di-harmonic approximation), automatic detection can be overriden        di-harmonic approximation), automatic detection can be overriden
1038        with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x        with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
1039        configure script argument though (mandatory for cross-compilation)        configure script argument though (mandatory for cross-compilation)
1040        - do not automatically pick optimized gcc flags if the user already
1041          provided some on his own (as CXXFLAGS)
1042        - added compile time option to disable processing of All-Notes-Off MIDI
1043          messages
1044        - added compile time options to allow disabling the various audio and
1045          MIDI drivers
1046        - fixed automatic GCC CPU switch detection on PPC
1047          (patch by Ebrahim Mayat)
1048    
1049    * Gigasampler format engine:    * Gigasampler format engine:
1050      - extensive synthesis optimization      - extensive synthesis optimization
1051        (reimplementation of EGs and LFO(s), removed synthesis parameter        (reimplementation of EGs and LFO(s), removed synthesis parameter
1052        prerendering and the synthesis parameter matrix in general, splitting        prerendering and the synthesis parameter matrix in general, splitting
1053        each audio fragment into subfragments now where each subfragment uses        each audio fragment into subfragments now where each subfragment uses
1054        constant synthesis parameters - that is volume, pitch and filter        constant pitch and filter coefficients. The volume coefficient is
1055        coefficients)        linearly interpolated inside a subfragment, unless
1056          --disable-interpolate-volume is set.)
1057      - fine tuning of the EG modulation parameters      - fine tuning of the EG modulation parameters
1058      - improved filter cutoff calculation by adding support for the      - improved filter cutoff calculation by adding support for the
1059        following gig parameters: Cutoff freq (used when no cutoff        following gig parameters: Cutoff freq (used when no cutoff
1060        controller is defined), Control invert, Minimum cutoff, Velocity        controller is defined), Control invert, Minimum cutoff, Velocity
1061        curve and Velocity range. The keyboard tracking now also scales        curve and Velocity range. The keyboard tracking now scales
1062        cutoff frequency, not just resonance.        cutoff frequency instead of resonance.
1063        - added support for gig parameter Resonance.
1064        - fixed bug in sysex handling (patch by Juan Linietsky)
1065        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
1066          which can be overridden with --enable-global-attenuation
1067        - EG fixes: made the length of "attack hold" stage more
1068          accurate. Release stage can now start before attack stage
1069          ends. Cancel release didn't work when sustain was zero. Attack
1070          time now has a minimal value to prevent clicks.
1071        - fixed pitch changes larger than one octave
1072        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
1073        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
1074          all modes can be altered via standard GM messages, that is CC5 for
1075          altering portamento time, CC65 for enabling / disabling portamento
1076          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
1077        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
1078          parameter) and crossfade
1079        - added support for the "attenuation controller threshold" gig
1080          parameter
1081        - added smoothing of volume changes caused by control change
1082          messages
1083        - sample loop parameters are now taken from the DimensionRegion
1084          instead of the wave chunk
1085        - fixed keyswitching for v3 gigs with a number of keyswitch splits
1086          not equal to a power of two
1087        - reimplementation of the filter algorithm. The new filter is more
1088          accurate and supports all gig filter types, including bandreject
1089          and lowpass turbo.
1090        - real support for 24 bit samples - samples are not truncated to
1091          16 bits anymore
1092        - support for aftertouch (channel pressure, not polyphonic
1093          aftertouch)
1094        - LFO1 behaviour fixed (dampening from max volume instead of
1095          amplifying from 0)
1096    
1097    * LSCP server:    * LSCP server:
1098      - fixed application exit on broken pipe error (fixes bug #20)      - fixed application exit on broken pipe error (fixes bug #20)
1099        - fixed the notification messages delay due to lack of
1100          network activity (fixes bug #26)
1101        - fixed parser bug which occured on space(s) within device parameters
1102          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
1103    
1104      * audio driver:
1105        - added aRts audio output driver (by no means RT safe)
1106    
1107      * MIDI driver:
1108        - fixed legacy sysex code which caused dispatching of MIDI SysEx
1109          messages several times instead of once
1110        - API extension for MIDI drivers which already supply exact time stamps
1111          for events (i.e. for offline rendering based MIDI drivers)
1112        - added checks for bad MIDI data
1113    
1114      * linuxsampler application:
1115        - show available sampler engine types on startup
1116    
1117    * general changes:    * general changes:
1118      - support for muting sampler channels and solo mode of the same, two new      - support for muting sampler channels and solo mode of the same, two new
# Line 36  Version CVS HEAD (?) Line 1122  Version CVS HEAD (?)
1122        (patch by Grigor Iliev, a bit adjusted). Also added configure option        (patch by Grigor Iliev, a bit adjusted). Also added configure option
1123        --enable-process-muted-channels which can be used to enable the        --enable-process-muted-channels which can be used to enable the
1124        processing of muted channels.        processing of muted channels.
1125        - support for sostenuto pedal
1126        - support for monitoring the total number of active voices
1127          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
1128          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
1129        - fixed some memory management errors
1130        - fixed some concurrency problems that could lead to crashes when
1131          LSCP commands were executed
1132        - fixed crash when instrument loading failed previously on the same
1133          sampler channel (fixes bug #36)
1134    
1135  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
1136    

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