/[svn]/linuxsampler/trunk/ChangeLog
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revision 688 by schoenebeck, Thu Jul 14 12:25:20 2005 UTC revision 2506 by schoenebeck, Sun Jan 12 11:27:05 2014 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * packaging changes:    * packaging changes:
4        - fixed building with newer MinGW-w64
5        - Mac OS X: support the new dir for Core Audio SDK
6        - Mac OS X: fixed building outside source directory
7        - made sure all source files for hostplugins are included when
8          doing "make dist"
9        - removed empty directories left from the cvs to svn migration
10        - fixed compilation with gcc 4.6.1
11        - another "make dist" fix, for the LV2 plugin
12        - made --enable-pthread-testcancel default on Mac OS X
13        - minor Makefile fix for building lscpparser when build and source
14          directories are separate
15        - Mac OS X: made it possible to specify plugin installation dir to
16          configure
17        - Mac OS X: Makefile fix for the install-strip target
18        - fixed compilation with gcc 4.7
19        - fixed configure script error with old autoconf versions
20        - lsatomic.h: use gcc provided atomic functions if building with
21          gcc 4.7 and C++11
22        - modernized configure script
23        - fixed linkage error when building with
24          LDFLAGS="-Wl,--no-undefined" (#190)
25        - fixed compilation with Clang 3.2
26        - removed usage of deprecated Automake variable INCLUDES
27        - fixed building with C++11
28        - build fix: ChangeFlagRelaxed.h was missing in makefile
29        - build fix: libsndfile compiler flags were missing in some
30          makefiles
31        - fix for building with bison 3.0 (#202)
32        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
33          on the process's main thread
34        - fixed build error on newer MinGW
35        - support building with older jack versions
36        - support building with spaces in vst sdk path
37    
38      * general changes:
39        - Refactoring: moved the independent code from
40          the Gigasampler format engine to base classes
41        - command line option '--profile' is currently disabled, since the
42          respective profiling code is currently broken
43        - Introduced support for optional environment variable
44          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
45          where the sampler shall look for instrument editor plugins
46          (patch by Luis Garrido, slightly modified).
47        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
48        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
49        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
50          note (in this implementation of the sampler its simply hard routed to
51          the 1st effect send of the sampler channel, no matter what the actual
52          effect type is)
53        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
54          note (in this implementation of the sampler its simply hard routed to
55          the 2nd effect send of the sampler channel, no matter what the actual
56          effect type is)
57        - implemented support for internal LADSPA effects
58        - raised limit of program change queue from 100 to 512
59          (as suggested by Alex Stone)
60        - implemented sine LFO, pulse LFO and saw LFO
61        - experimental support for per voice equalization
62        - added command line option --exec-after-init
63        - Introduced new C++ API method:
64          EngineChannel::InstrumentFileName(int index)
65          allowing to retrieve the whole list of files used for the loaded
66          instrument on an engine channel (a.k.a. part). Some GigaStudio
67          instruments for example are splitted over several files like
68          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
69        - Added new C++ API method Sampler::GetGlobalMaxVoices().
70        - Added new C++ API method Sampler::GetGlobalMaxStreams().
71        - Added new C++ API method Sampler::SetGlobalMaxVoices().
72        - Added new C++ API method Sampler::SetGlobalMaxStreams().
73        - Various "const" and "restrict" optimizations.
74        - all engines: add pan CC value to instrument pan parameter before
75          applying panning, instead of using two separate pan functions in
76          series (#182)
77        - added a lock guard class for exception safe mutex handling and
78          used it everywhere appropriate
79        - Immediately apply scale tuning changes to active voices.
80        - Exposed scale tuning to C++ API (along to the already existing standard
81          SysEx way).
82        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
83          and broken for ppc64. (Seq_cst loads and stores are actually not
84          used in LS, so the bug wasn't noticable.)
85        - lsatomic.h: added ARMv7 support
86        - Added support for multiple MIDI input ports per sampler channel (and
87          added various new C++ methods for this new feature / design change, old
88          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
89          as deprecated but are still there and should provide full behavior
90          backward compatibility).
91        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
92          unsafe and caused compilation error with clang 2.x).
93        - Bugfix: only process the latest MIDI program change event.
94    
95      * Gigasampler format engine:
96        - implemented the "round robin keyboard" dimension
97        - fixed round robin and random dimensions for cases when number of
98          dimension zones is not a power of two
99        - made round robin use a counter for each region instead of each
100          key
101        - bugfix: pitch LFO controller "internal+aftertouch" was broken
102        - bugfix: filter keyboard tracking was broken
103        - filter performance fix (an unnecessary copy was made of the
104          filter parameters in each sub fragment)
105        - handle special case when pan parameter in gig file has max or
106          min value
107        - Exclusive Groups: don't ever stop voices of the same note,
108          doesn't sound naturally with a drumkit
109        - fixed EG1 modulation when attack or release is zero
110    
111      * SFZ format engine:
112        - Initial implementation (not usable yet)
113        - added support for v2 multiple stage envelope generators
114        - added a fine-tuned v1 envelope generator instead of using the
115          one from the gig engine
116        - fixed memory leak and memory handling errors
117        - added support for trigger=first, trigger=legato and sw_previous
118        - allow non-numerical key values ("C#4" for example)
119        - "key" opcode now sets pitch_keycenter too
120        - fixed error when unloading instrument with same sample used by
121          multiple regions
122        - added some opcode aliases, like loopmode for loop_mode, to be
123          more compatible
124        - added support for trigger=release and rt_decay
125        - added support for off_mode=normal
126        - added support for random, seq_position, seq_length and volume
127        - added v1 LFO opcodes to parser (no support in engine yet)
128        - added support for amp_veltrack and amp_velcurve_N
129        - fine-tuned the default velocity curve
130        - added support for transpose
131        - fixed crash when using sw_down/up
132        - improved logic for sw_lokey/hikey/up/down/last
133        - added more v1 aliases to parser
134        - reduced memory usage for sfz data
135        - RT-safeness: avoid malloc in audio thread
136        - fixed a bug that could cause voice stealing to fail
137        - optimized sample lookup
138        - improved support for exclusive groups (group, off_by and
139          off_mode)
140        - added support for controller triggered regions (on_locc/on_hicc)
141        - added support for loop_mode=one_shot
142        - fixed playback of 16 bit wav files on big endian CPUs
143        - added support for Ogg Vorbis sample files
144        - use loop markers from sample file if loop_start and loop_end are
145          not set in sfz file
146        - implemeted filters. Filter types: lowpass, bandpass, bandreject
147          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
148          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
149          cutoff_cc, cutoff_chanaft.
150        - bugfix: zero ampeg_sustain didn't work
151        - added support for velocity effect on amplifier envelope time
152          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
153          ampeg_vel2release)
154        - added support for EG hold (ampeg_hold)
155        - added support for sample offset (offset)
156        - use the newly introduced signal units model
157        - implemented opcodes lfoN_delay,
158          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
159        - implemented opcodes ampeg_delay, ampeg_vel2delay
160          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
161          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
162          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
163          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
164        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
165          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
166          amplfo_delay, amplfo_freq, amplfo_depth
167        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
168          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
169          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
170          fileg_vel2release
171        - implemented opcode lfoN_wave
172        - implemented opcode pitchlfo_depthccN
173        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
174          lfoN_pitch, lfoN_pitch_onccX
175        - implemented opcodes pitchlfo_fade,
176          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
177        - implemented opcodes fillfo_freqccN,
178          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
179        - implemented opcodes ampeg_delayccN, ampeg_startccN,
180          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
181          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
182        - lfoN_* and egN_* opcodes defined in group sections
183          are now taken into account
184        - implemented curves
185        - implemented opcodes volume_onccN, volume_curveccN
186        - implemented opcode volume_smoothccN
187        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
188          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
189          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
190          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
191          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
192        - implemented opcode end
193        - implemented opcodes egN_amplitude_onccX,
194          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
195          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
196        - implemented opcodes xfin_lokey, xfin_hikey,
197          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
198          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
199          xfout_loccN, xfout_hiccN, xf_cccurve
200        - implemented opcodes pan_onccN, pan_smoothccN,
201          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
202          egN_pan_curveccX, pitch_veltrack
203        - when failed to parse a sfz file
204          print the line number on which the error occurs
205        - use common pool of CC objects to minimize RAM usage
206        - implemented opcodes amplfo_delay_onccN,
207          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
208          pitchlfo_delay_onccN, pitchlfo_fade_onccN
209        - implemented opcodes fileg_delay_onccN,
210          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
211          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
212          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
213          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
214          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
215        - implemented automatic aliasing *ccN <-> *_onccN
216        - *lfo_freqccN wasn't working when the respective *lfo_freq
217          was not set or was set to zero
218        - lfoN_freq_onccX wasn't working when lfoN_freq
219          was not set or was set to zero
220        - implemented opcodes resonance_onccN, resonance_smoothccN,
221          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
222        - implemented opcodes fillfo_depthchanaft,
223          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
224          pitchlfo_depthchanaft, pitchlfo_freqchanaft
225        - implemented opcodes pitch_onccN,
226          pitch_curveccN, pitch_smoothccN, pitch_stepccN
227        - implemented opcodes volume_stepccN, pan_stepccN,
228          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
229          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
230          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
231        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
232          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
233          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
234          eq1_gainccN, eq2_gainccN, eq3_gainccN
235        - implemented opcodes delay, delay_onccN, delay_random,
236          delay_samples, delay_samples_onccN
237        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
238          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
239          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
240          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
241          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
242          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
243          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
244          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
245          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
246          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
247          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
248          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
249          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
250          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
251          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
252        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
253          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
254        - sfz parser: allow double spaces in sample filenames
255        - sfz parser: allow absolute paths for sample filenames
256        - use linear decay and release for filter and pitch EG
257        - bugfix: only the first amp_veltrack definition in a file was
258          used
259        - bugfix: looping was disabled if loop_start was set to 0
260        - allow regions with end=-1 to turn off other regions using the
261          group and off_by opcodes (#168)
262        - made end=0 play the whole sample
263        - fixed support for lochan and hichan opcodes (#155)
264        - fixed crash when using lochan/hichan opcodes (#187)
265        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
266        - added FLAC support (#191)
267        - sfz parser bugfix: lines starting with whitespace were ignored
268        - added amplitude opcode
269    
270      * SoundFont format engine:
271        - Initial implementation (not usable yet)
272        - RT-safeness: avoid malloc in audio thread
273        - fixed a bug that could cause voice stealing to fail
274        - fine-tuned amplitude EG (by switching from gig to sfz EG)
275        - initial implementation of Vibrato LFO and Modulation LFO
276        - initial implementation of cutoff filter
277        - use linear decay and release for filter and pitch EG
278    
279      * Host plugins (VST, AU, LV2, DSSI):
280        - AU bugfix: failed to destroy its audio/MIDI devices
281        - Listen to all interfaces on Mac OS X (INADDR_ANY)
282        - VST bugfix: If the host called resume() before and after
283          changing sample rate or block size, the number of channels was
284          incorrectly set to two. This caused silence in Cubase 5.
285        - save engine type (gig, sfz or sf2) in plugin state
286        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
287          64 bit Windows
288        - AU: changed number of output channels from one stereo to 16
289          stereo
290        - VST: made it possible to build the VST plugin for Mac
291        - AU: link AU plugin dynamically if --disable-shared isn't
292          specified
293        - LV2 "state" extension support (patch by David Robillard)
294        - VST bugfix: instrument loading hang and crashed the host when
295          the plugin was loaded a second time (#174)
296        - plugin bugfix: instrument loading hang when the plugin was
297          loaded a second time (this time it's for Linux and Mac, previous
298          similar fix was for Windows)
299        - thread safety fixes for the instrument loading thread
300        - LV2: use the new lv2 package if present
301        - VST: try to open Fantasia automatically on Linux and Mac too (on
302          Linux, the Fantasia jar should be placed in <prefix>/share/java)
303        - VST: fixed crashes on Linux Ardour and EnergyXT
304        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
305          port and audio channel routing for DSSI plugins are now visible.
306        - LV2: use urid and atom extensions instead of deprecated uri-map
307          and event
308        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
309        - LV2: changed number of output channels to 16 stereo, just like
310          the VST and AU plugins
311        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
312        - LV2: made LV2 plugin buildable on Windows and Mac
313        - VST: implemented retrieval and switching of programs using the
314          sampler's internal MIDI instrument mapping system
315    
316      * MIDI driver:
317        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
318          the ALSA sequencer client name
319        - removed limit of maximum amount of MIDI ports per MIDI device, since
320          there is no reason for this limit
321        - MME: fixed memory handling bug found with cppcheck
322        - MME: removed compiler warning
323        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
324          which allows to retrieve the list of CoreMIDI clients / ports and to connect
325          to them a la JACK, via the usual sampler APIs
326        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
327          the driver will automatically connect to other CoreMIDI clients' ports
328          (e.g. external MIDI devices being attached to the Mac)
329        - added support for MIDI note on velocity filter
330        - CoreMIDI: fixed memory deallocation error
331        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
332          virtual keyboards in frontends / instrument editors being stuck.
333        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
334        - Implemented missing handling of MIDI "running status".
335        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
336        - MME bugfix: driver wasn't closed properly
337    
338      * audio driver:
339        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
340        - JACK audio: react on sample rate changes.
341        - JACK audio: react on buffer size changes.
342        - JACK audio: jack_port_get_buffer() was cached and called outside
343          RT context.
344        - ASIO driver: removed compiler warnings
345        - CoreAudio: fixed minor error handling bug
346    
347      * LSCP server:
348        - added support for sending MIDI CC messages via LSCP command
349          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
350        - added LSCP command "GET AVAILABLE_EFFECTS"
351        - added LSCP command "LIST AVAILABLE_EFFECTS"
352        - added LSCP command "GET EFFECT INFO <effect-index>"
353        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
354        - added LSCP command
355          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
356        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
357        - added LSCP command "GET EFFECT_INSTANCES"
358        - added LSCP command "LIST EFFECT_INSTANCES"
359        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
360        - added LSCP command
361          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
362        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
363          <effect-instance> <input-control> <value>"
364        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
365        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
366        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
367        - added LSCP command
368          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
369        - added LSCP command
370          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
371        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
372          <effect-chain> <effect-instance>"
373        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
374          <effect-chain> <effect-chain-pos> <effect-instance>"
375        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
376          <effect-chain> <chain-pos>"
377        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
378          <fx_send_id> <effect_chain> <chain_pos>"
379        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
380        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
381          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
382          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
383    
384      * Bug fixes:
385        - Fixed crash which may occur when MIDI key + transpose is out of range
386        - minor valgrind fixes
387        - fixed crash which occurred when changing an already deployed sampler
388          channel to a different engine type
389        - fixed crash when deleting a sampler channel or changing engine
390          type while an instrument load was in progress
391        - bugfix: playing a note while changing the instrument could cause
392          a crash, or give "Handing back unknown region" error messages
393        - bugfix: calling SET VOICES (which Fantasia does on start and
394          refresh) could cause instruments to be unloaded
395        - Mac OS X: fixed name collision of enum in EffectControl and
396          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
397        - Mac OS X: fixed hanging threads
398        - Windows: disabled the previous thread fix on non-Mac systems, as
399          it caused hanging threads on Windows
400        - Fixed possible crashes due to corrupted MIDI/audio device list
401          after MIDI/audio device creation failure
402        - When creating MIDI instrument map entries with "PERSISTENT" type, the
403          instruments were uselessly precached with zero samples, however it still
404          took the full preloading time and on 1st program change the respective
405          instrument was completely reloaded again.
406        - fixed handling of rapid bank select and program change messages
407          sent to the same sampler channel (patch from the Open Octave
408          project, slightly adjusted)
409        - fixed crash when trying to create an effect instance with controls
410          which min and/or max values depend on the sample rate
411        - fixed bug #162
412        - bugfix: LADSPA_PATH was not evaluated correctly when containing
413          multiple paths (#165)
414        - thread safety fixes for the instrument loading thread
415        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
416          (#176)
417        - more thread safety fixes for the instrument loading thread
418        - sfz/sf2 engine: fixed crash when using small audio fragment size
419        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
420        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
421          introduced in previous fix)
422        - fixed crash when a channel received a program change while
423          playing a note in a key group
424        - fixed erroneous error message piping in VoiceBase.h
425          (labelled "Disk stream not available in time")
426        - Update effects on sample rate & period size changes (to avoid
427          crashes and noise on such transitions).
428    
429    Version 1.0.0 (31 July 2009)
430    
431      * packaging changes:
432        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
433          causing e.g. the libgig test to fail when
434          "./configure --disable-jack-driver" was used
435          (patch by Alexis Ballier)
436        - fixed compilation with gcc 4.3
437        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
438        - fixed configure so it detects x86_64 (#107)
439        - fixes for building with newer MinGW versions
440        - fix for building with bison 2.4 (#111)
441        - fixed building with libgig installed in a non-standard directory
442        - minor fix in configure for mmsystem.h detection on MinGW
443        - Windows: look for editor plugins and Fantasia using base
444          directory of liblinuxsampler dll (look in the same directory and one
445          directory above)
446        - configure script fix: removed unconditional use of SSE
447        - fixed building with sqlite installed in a non-standard directory
448        - when cross-compiling, don't try to create instruments.db
449        - fix for new mingw-w64 version, which has usleep
450    
451      * general changes:
452        - bugfix: on some POSIX systems instrument editor plugins refused to
453          load as we used a non-portable Linux specific struct field
454          (fixes bug #70, patch by Ronald Baljeu)
455        - fixed endless loop which occured when loading an instrument editor
456          plugin DLL on Windows systems failed
457        - fixed memory leaks that occurred when liblinuxsampler was unloaded
458        - optimized the SynchronizedConfig class so it doesn't wait
459          unnecessarily long after an update
460        - added support for notifying instrument editors on note-on / note-off
461          events (e.g. to highlight the pressed keys on the virtual keyboard
462          of gigedit)
463        - added support for triggering notes by instrument editors (see above)
464        - be verbose on DLL load errors (on Linux)
465        - fixed di-harmonic triangle LFO implementation (this LFO implementation
466          is only used by very few systems, most pick the int math
467          implementation, which is usually faster)
468        - fixes for audio drivers with varying buffer sizes
469        - experimental support for running LinuxSampler as a DSSI, LV2 and
470          VST plugin
471        - notification events for stream/voice count statistics are now sent
472          only when there are actual changes
473        - added memory ordering constraints to improve stability on
474          multi-core and multi-cpu systems
475        - maximum voices and disk streams can now be altered at runtime
476        - fixed CPU feature detection on x86_64 (maybe fixes #108)
477        - automatic stacktrace mechanism is now turned off by default and can
478          be switched on by command line option "--stacktrace" (the automatic
479          stacktrace mechanism seems to be broken on most systems at the moment)
480        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
481          a pointer to the launched InstrumentEditor object
482        - added optional 3rd party user data parameter for following
483          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
484          InstrumentEditor::Launch(),
485          InstrumentManager::LaunchInstrumentEditor()
486        - theoretical fix: made SynchronizedConfig follow C++0x memory
487          model more strictly
488        - fixes for using large audio device buffers
489        - Windows: add the installation directory to the DLL search path
490          when loading an editor plugin (solves problems with VST and
491          gigedit on systems with other GTK versions installed)
492    
493      * audio driver:
494        - removed the nonsense audio channel constraint (which was hard coded to
495          max. 100 audio channels) for most audio drivers
496        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
497          opposed to the LSCP specs
498        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
499          reflected the wrong value
500        - fixed a memory management bug in ASIO driver
501        - Makefile fix: JACK_CFLAGS wasn't used
502        - JACK: use jack_client_open instead of the deprecated
503          jack_client_new
504        - added (experimental) CoreAudio driver
505        - applied old fixes to the ASIO driver that were included in the
506          previous binary release but accidentally never committed to CVS
507          (fixes #117)
508        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
509          win64)
510        - VST: added support for sample rate and buffer size changes
511        - VST: close editor (Fantasia) when the VST is removed
512        - VST: avoid opening Fantasia more than once for each VST instance
513        - VST: export main function as "main" on Linux too (fix for
514          energyXT)
515        - VST: changed number of output channels from one stereo to 16
516          stereo
517        - added channel routing, fxsends and midi maps to the settings
518          stored in the plugin state
519        - performance optimization of AudioChannel::MixTo() and
520          AudioChannel::CopyTo() methods using GCC vector exensions
521          (if available)
522        - ASIO fixes: avoid initializing the device twice, avoid throwing
523          exception when getting parameters from a disconnected device
524    
525      * MIDI driver:
526        - added JACK MIDI driver
527        - dispatch bank select as ordinary CC as well, the user might seriously
528          want to (mis)use it for some purpose ("fixed" in all current MIDI
529          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
530        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
531          CoreMidi or AU
532        - fixed mingw-w64 compilation error in MME driver
533        - made program change handling in MIDI thread real-time safe by
534          moving the logic to a non-RT thread
535        - fixed minor memory leak in ALSA driver
536    
537      * instruments database:
538        - avoid time consuming samples scanning when adding instruments
539          to the instruments database
540        - added support for handling lost files in the instruments database
541        - Implemented option for adding instruments in separate directories
542          in the instruments database
543          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
544        - work-around for missing fnmatch function on Windows to make
545          instrument database compilable
546        - added instrument database support on Windows
547          works with both standalone mode and VST plugin.
548          the instruments DB file is located in
549          %USERPROFILE%\.linuxsampler\instruments.db which allows different
550          databases for each windows user
551          if no DB is present it automatically creates the .linuxsampler subdir
552          and then creates an empty DB
553        - fixed recursive import, which was broken on Windows
554    
555      * Gigasampler format engine:
556        - fixed a memory leak that could happen when a channel was deleted
557          while notes were playing
558        - made it possible to load an instrument even if the audio thread
559          isn't running
560        - added partial support for the "Controller Triggered" MIDI rule,
561          enough for piano gigs with pedal noise samples
562        - minor fix: only mark FX sends as being modified if really the
563          respective FX send MIDI controller was used
564        - added support for GM global device volume SysEx message
565          (can be selected at compile time to either apply globally to the
566          whole sampler [default] or only to the sampler channels that are
567          connected to the respective MIDI input port the SysEx message arrived
568          on)
569        - bugfix: notes triggered at position 0 in the audio buffer were
570          sometimes wrongly killed in the same buffer, causing no sound to
571          be played
572        - added support for chromatic / drumkit mode Roland GS Sysex message
573          which is usally used to switch a part between chromatic sounds and
574          drumkit sounds (as opposed to their common default setting of MIDI
575          part 10 being a drumkit part and all other ones chromatic parts), in
576          LS however one can switch between the first 16 MIDI instrument maps
577          defined for the sampler
578        - made it possible to create multiple sample channels even if the
579          audio thread isn't running
580        - fixed crash when removing channel with active voices (#116)
581        - bugfix: on sample reference changes (instrument editor), only
582          un-cache the respective sample if it's really not used by any
583          sampler engine anymore
584        - re-cache samples in case they were changed by an instrument editor,
585          e.g. when a sample was added while playing (#82)
586        - fixed hanging notes which occured when note-off event had the exact
587          same time stamp as the voice's note-on event and occured both in the
588          same audio fragment cycle (fixes bug #112)
589        - added support for the "fine tune" and "pitch bend range"
590          instrument-level gig parameters
591        - fixed minor artifacts in pitch bend handling
592        - added support for GS Reset SysEx message
593        - allow gig files to use unlimited downward pitch shifting
594        - added a limit check for upward pitch shifting
595        - bugfix: sometimes, when playing a note twice fast, the second
596          note was silent
597        - fixed crash happening when a pitch bend event arrived at the
598          same time a new instrument was loading
599    
600      * LSCP server:
601        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
602          react on MIDI data arriving on certain sampler channels (so far only
603          Note-On and Note-Off events are sent via this LSCP event)
604        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
605          react on MIDI data arriving on certain MIDI input devices (so far only
606          Note-On and Note-Off events are sent via this LSCP event)
607        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
608          SET DB_INSTRUMENT FILE_PATH
609        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
610          frontends to send MIDI messages to specific sampler channel
611        - added two additional fields to GET FILE INSTRUMENT INFO command -
612          KEY_BINDINGS and KEYSWITCH_BINDINGS
613        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
614          was incorrect
615        - Optimized the retrieval of the MIDI instrument mappings
616        - added new LSCP command "SET VOICES" to globally alter the maximum
617          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
618          be triggered respectively
619        - added new LSCP command "SET STREAMS" to globally alter the maximum
620          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
621          which will be triggered respectively
622        - bugfix: retry if "select" returns EINTR (this fixes a crash when
623          a gigedit file dialog is opened)
624        - close all connections when LSCPServer is deleted
625        - hard close of all sockets on exit
626        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
627          driver
628    
629      * Bug fixes:
630        - fixed a crash which occurs when removing a sampler channel waiting
631          to start instrument loading after another channel
632        - fixed a crash which occurs when removing a sampler channel with
633          instrument loading in progress (bug #113)
634        - fixed termination caused by uncaught exception when adding MIDI
635          instrument with PERSISTENT load mode
636        - fixed possible iterator invalidations when resetting the sampler
637        - fixed memory leaks when issuing the following LSCP commands:
638          GET AUDIO_OUTPUT_DRIVER INFO
639          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
640          GET MIDI_INPUT_DRIVER INFO
641          GET MIDI_INPUT_DRIVER_PARAMETER INFO
642        - fixed possible compilation error when sqlite is not present
643        - fixed orphaned pointers when setting maximum voices limit (bug #118)
644        - fixed crash when changing the audio output device of a sampler
645          channel with loaded instrument and start playing notes
646        - fixed endless loop in Engine::SuspendAll() (bug #120)
647        - fixed a low-level atomic load function that was broken on 64-bit
648          PowerPC, which probably could cause crashes on that platform
649        - fixed a memory management error which could cause a crash when a
650          plugin was unloaded
651        - bugfix: two private structs had the same name, which could cause
652          problems if the linker chose the wrong constructor
653        - fixed low-level ConditionServer usage bug that caused lockups on
654          Windows
655    
656    
657    Version 0.5.1 (6 December 2007)
658    
659      * packaging changes:
660        - added autoconf checks for pthread library
661        - added autoconf check for pthread bug found on certain NPTL-enabled
662          glibc versions (see Gentoo bug report #194076)
663        - added autoconf checks for MS Windows
664    
665      * general changes:
666        - bugfix: the thread used by an editor plugin didn't die when the
667          editor closed
668        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
669          out all the space. operator--() did not apply size_mask after
670          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
671          order to avoid problems with the _NonVolatileReader functions.
672        - bugfix: Stream.h: added a missing divide by BytesPerSample in
673          GetWriteSpace(). Since this function is currently only used in
674          the stream's qsort() compare function, it didn't trigger any
675          bugs.
676        - Resampler.h, Synthesizer.h: cubic interpolation now works in
677          24bit mode too. Faster method to read 24bit words on little
678          endian machines (x86): replaced 3 byte reads + shifts with a 1
679          unaligned 32bit read and shift
680        - experimental support for MS Windows (MIDI input via MME, AUDIO
681          output via ASIO)
682        - made handling of SIGINT signal (Ctrl-C) a bit more robust
683        - support for monitoring the total number of active disk streams
684          (new LSCP commands: GET TOTAL_STREAM_COUNT,
685          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
686    
687      * AUDIO driver:
688        - added Windows ASIO low latency audio driver
689    
690      * MIDI driver:
691        - added MME Windows MIDI driver
692    
693      * LSCP server:
694        - added support for Windows style path / filenames, however with
695          forward slash path separators instead of backslash
696          (i.e. "C:/foo/bar.gig")
697        - allow naughty liblscp to send non-string device parameters within
698          apostrophes as well
699        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
700          "LIST FILE INSTRUMENTS <file>" and
701          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
702          about an arbitrary instrument file on the system where the sampler is
703          running on
704    
705    Version 0.5.0 (15 October 2007)
706    
707      * packaging changes:
708        - config.h is not going to be installed along with liblinuxsampler's
709          API header files anymore
710        - only the API relevant header (and source) files will be exported to
711          the Doxygen API documentation (explicitly listed in Doxyfile.in)
712        - added completely new XCode project files for Mac OSX which is now
713          capable to execute our autoconf environment, thus no need anymore
714          to maintain the compile time configuration file (osx/version.h) for
715          OSX manually (patch by Toshi Nagata)
716        - fixed buggy boolean --enable-foo / --disable-foo configure script
717          parameters
718        - global.h now only covers global definitions that are needed for the
719          C++ API header files, all implementation internal global definitions
720          are now in global_private.h
721        - atomic.h is not exposed to the C++ API anymore
722        - no need to include config.h anymore for using LS's API header files
723        - fixed warnings in API doc generation
724    
725      * general changes:
726        - replaced the old, confusing MIDI program change mechanism by a
727          flexible MIDI instrument mapper which allows to map arbitrary
728          (MIDI bank, MIDI program) pairs with arbitrary
729          (engine type, instrument file, file index) triplets which will be
730          loaded on the respective channel when such MIDI program change
731          messages arrive, beside that, each entry allows to define a life-time
732          strategy for the instrument, so the user can define whether the
733          instrument should i.e. be permanently loaded (to be able to switch
734          quickly among sounds) or i.e. loaded just on demand when the
735          respective program change arrives (to safe RAM space), as well as a
736          global volume factor for each entry, so the user can adjust the volume
737          dynamic of his mapped instrument collection without having to modify
738          the instrument files, also one can manage arbitrary amount of such
739          MIDI instrument maps and assign each sampler channel individually
740          a certain map, so that i.e. separation of normal instruments and
741          drumkits is possible
742        - new notification events for tracking changes to audio/MIDI devices,
743          MIDI instrument maps, MIDI instruments, FX sends, global volume.
744        - sampler was limited to load max. 200 instruments in the background
745          due to a constant size RingBuffer FIFO which is now replaced by a
746          dynamic (unlimited) size std::list FIFO
747        - added FX sends, these allow to route audio signals to arbitrary audio
748          output channels for being processed by external effect processors
749          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
750          controllers
751        - global (sampler wide) volume can now be controlled at runtime
752        - Implemented new, improved notification system
753        - fixed compilation errors regarding OSX
754          (patch by Toshi Nagata)
755        - implemented instruments database
756        - added support for escape sequences to the instruments database
757        - added highly experimental support for on-the-fly instrument editing
758          within the sampler's process (by using instrument editor plugins),
759          you'll notice the new "Registered instrument editors:" message on
760          startup, added a new LSCP command:
761          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
762          to spawn a matching instrument editor for the instrument on the
763          given sampler channel, the plugin path can be overridden at compile
764          time with ./configure --enable-plugin-dir=/some/dir
765        - added experimental code for synchronizing instrument editors hosted
766          in the sampler's process to safely edit instruments while playing
767          without a crash (hopefully) by either suspending single regions
768          wherever possible or if unavoidable whole engine(s)
769        - fixed several issues in fundamental "Thread" class: set scheduling
770          policy and priority on thread level, set a minimum stack size for
771          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
772          threads simply inherited properties of starting thread instead of
773          setting their own policy and priority
774        - minor fix in our automatic stack trace mechanism on crashes, the
775          main process did not wait for the stack trace process to finish
776          its output
777        - fixed some minor memory leaks
778        - reenabled assembly features support, at the moment only for
779          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
780        - minor assembly fix in x86 features detection (don't use the PIC
781          register, to avoid relocations in the text segment at runtime)
782        - POSIX callback functions of Thread.h are hidden
783    
784      * MIDI driver:
785        - dispatch bank select (MSB and LSB) messages
786    
787      * audio driver:
788        - the ALSA audio output driver parameters now reflect the correct
789          parameter value ranges for the respective selected sound card
790          (patch by Till Wimmer, a bit fixed and extended)
791    
792      * Gigasampler format engine:
793        - if a filter is used and EG2 finishes before EG1, let the voice
794          die when EG2 has finished (this fixes a problem with clicks and
795          voice starvation for some gigs)
796        - playback is no longer disabled during instrument loading
797        - all notes playing on a channel that changes its instrument keep
798          playing with the old instrument until they get a note off
799          command
800        - EG fix: a release value of zero could cause noises or crash
801        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
802        - EG fine tuning: when attack is zero the EG starts at a level
803          above max sustain level, which means that there is a decay phase
804          even if sustain is 100%
805        - more EG fixes: the level could sometimes go below zero and cause
806          noises or crashes
807        - minor fix of EGDecay (patch by Toshi Nagata)
808        - fixed compiler error when --enable-override-filter-type was
809          supplied to the configure script (fixes #46)
810        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
811          instead of a fix value
812        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
813          127 (solo mode) only kill voices if the respective mode really
814          changed
815    
816      * LSCP server:
817        - fixed compile time error for old Bison versions
818          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
819        - parser now supports extended ASCII character set
820          (up to ASCII code 255, i.e. includes now umlauts and accents)
821        - filename arguments in LSCP commands now allow to use escape
822          sequences, that is directly literal as one of: \', \", \\, \n, \r,
823          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
824          code value like \xf2) (fixes bug #24)
825        - the following LSCP commands now also support escape sequences for at
826          least one of their text-based parameters (i.e. name, description):
827          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
828          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
829          "SET DB_INSTRUMENT_DIRECTORY NAME",
830          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
831          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
832          "FIND DB_INSTRUMENT_DIRECTORIES"
833        - returns verbose syntax errors (line and column where syntax error
834          occured, the unexpected character and the actually expected, possible
835          character(s), the latter only if less than 5 possibilities)
836        - made sure that LSCP syntax is not affected by gigedit locale
837          settings
838        - bugfix regarding strings parameter lists: all comma separated lists
839          of strings were treated as being one string containing commas
840          (fixes #57)
841    
842      * Bug fixes:
843        - fixed crash occurring on certain LSCP scripts (Bug 39)
844        - another thread safety fix for lscp "load engine" and "set
845          channel audio output device"
846        - fixed a crash which occurs when reassigning the same engine
847          on a sampler channel with connected MIDI device
848        - fixed a crash which occurs when changing the number of ports of a MIDI
849          device connected to a sampler channel to number less then or equal
850          to the index of the port to which the sampler channel is connected.
851        - The previous bindings were not been disconnected when altering
852          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
853          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
854        - The active stream/voice count statistic was incorrect.
855        - notification events were not been sent for some sampler
856          channel changes
857        - added default min and max values to restrict the number of allowed
858          audio output channels and MIDI input ports
859        - the connection to the PCM interface is now closed when destroying
860          an audio output device
861        - files with slash in their path or filename could not be loaded
862    
863      * test cases:
864        - updated and fixed (haven't been touched in a while)
865    
866    Version 0.4.0 (24 November 2006)
867    
868      * packaging changes:
869        - changed deprecated copyright attribute to license; added ldconfig
870          to post-(un)install steps; added devel package for liblinuxsampler;
871          to linuxsampler.spec (RPM)
872        - install necessary development header files for allowing 3rd party
873          applications to link against liblinuxsampler
874        - liblinuxsampler's API documentation can be generated with 'make docs'
875          (Doxygen required)
876        - added benchmark to automatically detect the best triangle LFO
877          implementation (currently either an integer math solution or a
878          di-harmonic approximation), automatic detection can be overriden
879          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
880          configure script argument though (mandatory for cross-compilation)
881        - do not automatically pick optimized gcc flags if the user already
882          provided some on his own (as CXXFLAGS)
883        - added compile time option to disable processing of All-Notes-Off MIDI
884          messages
885        - added compile time options to allow disabling the various audio and
886          MIDI drivers
887        - fixed automatic GCC CPU switch detection on PPC
888          (patch by Ebrahim Mayat)
889    
890      * Gigasampler format engine:
891        - extensive synthesis optimization
892          (reimplementation of EGs and LFO(s), removed synthesis parameter
893          prerendering and the synthesis parameter matrix in general, splitting
894          each audio fragment into subfragments now where each subfragment uses
895          constant pitch and filter coefficients. The volume coefficient is
896          linearly interpolated inside a subfragment, unless
897          --disable-interpolate-volume is set.)
898        - fine tuning of the EG modulation parameters
899        - improved filter cutoff calculation by adding support for the
900          following gig parameters: Cutoff freq (used when no cutoff
901          controller is defined), Control invert, Minimum cutoff, Velocity
902          curve and Velocity range. The keyboard tracking now scales
903          cutoff frequency instead of resonance.
904        - added support for gig parameter Resonance.
905        - fixed bug in sysex handling (patch by Juan Linietsky)
906        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
907          which can be overridden with --enable-global-attenuation
908        - EG fixes: made the length of "attack hold" stage more
909          accurate. Release stage can now start before attack stage
910          ends. Cancel release didn't work when sustain was zero. Attack
911          time now has a minimal value to prevent clicks.
912        - fixed pitch changes larger than one octave
913        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
914        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
915          all modes can be altered via standard GM messages, that is CC5 for
916          altering portamento time, CC65 for enabling / disabling portamento
917          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
918        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
919          parameter) and crossfade
920        - added support for the "attenuation controller threshold" gig
921          parameter
922        - added smoothing of volume changes caused by control change
923          messages
924        - sample loop parameters are now taken from the DimensionRegion
925          instead of the wave chunk
926        - fixed keyswitching for v3 gigs with a number of keyswitch splits
927          not equal to a power of two
928        - reimplementation of the filter algorithm. The new filter is more
929          accurate and supports all gig filter types, including bandreject
930          and lowpass turbo.
931        - real support for 24 bit samples - samples are not truncated to
932          16 bits anymore
933        - support for aftertouch (channel pressure, not polyphonic
934          aftertouch)
935        - LFO1 behaviour fixed (dampening from max volume instead of
936          amplifying from 0)
937    
938      * LSCP server:
939        - fixed application exit on broken pipe error (fixes bug #20)
940        - fixed the notification messages delay due to lack of
941          network activity (fixes bug #26)
942        - fixed parser bug which occured on space(s) within device parameters
943          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
944    
945      * audio driver:
946        - added aRts audio output driver (by no means RT safe)
947    
948      * MIDI driver:
949        - fixed legacy sysex code which caused dispatching of MIDI SysEx
950          messages several times instead of once
951        - API extension for MIDI drivers which already supply exact time stamps
952          for events (i.e. for offline rendering based MIDI drivers)
953        - added checks for bad MIDI data
954    
955      * linuxsampler application:
956        - show available sampler engine types on startup
957    
958      * general changes:
959        - support for muting sampler channels and solo mode of the same, two new
960          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
961          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
962          introduced for this, the behavior is the same like on a mixer console
963          (patch by Grigor Iliev, a bit adjusted). Also added configure option
964          --enable-process-muted-channels which can be used to enable the
965          processing of muted channels.
966        - support for sostenuto pedal
967        - support for monitoring the total number of active voices
968          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
969          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
970        - fixed some memory management errors
971        - fixed some concurrency problems that could lead to crashes when
972          LSCP commands were executed
973        - fixed crash when instrument loading failed previously on the same
974          sampler channel (fixes bug #36)
975    
976    Version 0.3.3 (15 July 2005)
977    
978      * packaging changes:
979      - fixed compilation with gcc 4.0      - fixed compilation with gcc 4.0
980    
981    * Gigasampler format engine:    * Gigasampler format engine:

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