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revision 900 by schoenebeck, Wed Jul 5 17:53:22 2006 UTC revision 2902 by schoenebeck, Tue May 3 14:00:16 2016 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * SFZ format engine:
4        - added support for <global>, <master> and #define (patch by Alby M)
5    
6      * general changes:
7        - fixed printf type errors (mostly in debug messages)
8        - use unique_ptr instead of auto_ptr when building with C++11
9        - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
10          allowing to sort data efficiently in real-time safe manner.
11        - RTList class: added methods for moving/inserting elements to arbitrary
12          position within a list.
13        - RTList class: added method fromPtr() for creating an Iterator object from
14          a raw element pointer.
15        - Attempt to partly fix resetting engine channels vs. resetting engine, an
16          overall cleanup of the Reset*(), ConnectAudioDevice(),
17          DisconnectAudioDevice() API methods would still be desirable though,
18          because the current situation is still inconsistent and error prone.
19        - Active voices are now internally grouped to "Note" objects, instead of
20          being directly assigned to a keyboard key. This allows more fine graded
21          processing of voices, which is i.e. required for certain instrument
22          script features.
23    
24      * packaging changes:
25        - removed unnecessary dependency to libuuid
26          (originated by libgig's usage of it)
27        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
28          auto detect whether it (sh/c)ould output its messages in color.
29    
30      * Real-time instrument scripts:
31        - Implemented scheduler for delayed MIDI events and for suspended scripts.
32        - Built-in script function "wait()": implemented support for function's
33          "duration-us" argument, thus scripts using this function are now
34          correctly resumed after the requested amount of microseconds.
35        - Built-in script function "play_note()": implemented support for
36          function's "duration-us" argument, thus notes triggered with this
37          argument are now correctly released after the requested amount of
38          microseconds.
39        - Fix: script events were not cleared when engine channel was reset,
40          potentially causing undefined behavior.
41        - Fixed crash which happened when trying to reference an undeclared
42          variable.
43        - Built-in script function "play_note()": Added support for passing
44          special value -1 for "duration-us" argument, which will cause the
45          triggered note to be released once the original note was released.
46        - Instrument script classes now exported with the liblinuxsampler C++ API.
47        - Added new API method ScriptVM::syntaxHighlighting() which provides
48          a convenient syntax highlighting backend for external instrument
49          script editor applications.
50        - Added new C++ API class "ScriptVMFactory".
51        - Extended parser issues to provide not only first line and first
52          column, but also last line and last column of issue (thus marking
53          the precise span of the issue within the source code).
54        - Reload script automatically after being modified by an instrument
55          editor.
56    
57    Version 2.0.0 (15 July 2015)
58    
59      * packaging changes:
60        - fixed building with newer MinGW-w64
61        - Mac OS X: support the new dir for Core Audio SDK
62        - Mac OS X: fixed building outside source directory
63        - made sure all source files for hostplugins are included when
64          doing "make dist"
65        - removed empty directories left from the cvs to svn migration
66        - fixed compilation with gcc 4.6.1
67        - another "make dist" fix, for the LV2 plugin
68        - made --enable-pthread-testcancel default on Mac OS X
69        - minor Makefile fix for building lscpparser when build and source
70          directories are separate
71        - Mac OS X: made it possible to specify plugin installation dir to
72          configure
73        - Mac OS X: Makefile fix for the install-strip target
74        - fixed compilation with gcc 4.7
75        - fixed configure script error with old autoconf versions
76        - lsatomic.h: use gcc provided atomic functions if building with
77          gcc 4.7 and C++11
78        - modernized configure script
79        - fixed linkage error when building with
80          LDFLAGS="-Wl,--no-undefined" (#190)
81        - fixed compilation with Clang 3.2
82        - removed usage of deprecated Automake variable INCLUDES
83        - fixed building with C++11
84        - build fix: ChangeFlagRelaxed.h was missing in makefile
85        - build fix: libsndfile compiler flags were missing in some
86          makefiles
87        - fix for building with bison 3.0 (#202)
88        - Mac OS X: added temporary hack allowing to spawn gigedit as callback
89          on the process's main thread
90        - fixed build error on newer MinGW
91        - support building with older jack versions
92        - support building with spaces in vst sdk path
93        - enabled automake 'subdir-objects' option and moved external
94          source references (vst, au, asio) from makefiles to cpp files,
95          in order to get rid of warnings from automake 1.14
96    
97      * general changes:
98        - Refactoring: moved the independent code from
99          the Gigasampler format engine to base classes
100        - command line option '--profile' is currently disabled, since the
101          respective profiling code is currently broken
102        - Introduced support for optional environment variable
103          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
104          where the sampler shall look for instrument editor plugins
105          (patch by Luis Garrido, slightly modified).
106        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
107        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
108        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
109          note (in this implementation of the sampler its simply hard routed to
110          the 1st effect send of the sampler channel, no matter what the actual
111          effect type is)
112        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
113          note (in this implementation of the sampler its simply hard routed to
114          the 2nd effect send of the sampler channel, no matter what the actual
115          effect type is)
116        - implemented support for internal LADSPA effects
117        - raised limit of program change queue from 100 to 512
118          (as suggested by Alex Stone)
119        - implemented sine LFO, pulse LFO and saw LFO
120        - experimental support for per voice equalization
121        - added command line option --exec-after-init
122        - Introduced new C++ API method:
123          EngineChannel::InstrumentFileName(int index)
124          allowing to retrieve the whole list of files used for the loaded
125          instrument on an engine channel (a.k.a. part). Some GigaStudio
126          instruments for example are splitted over several files like
127          "Foo.gig", "Foo.gx01", "Foo.gx02", ...
128        - Added new C++ API method Sampler::GetGlobalMaxVoices().
129        - Added new C++ API method Sampler::GetGlobalMaxStreams().
130        - Added new C++ API method Sampler::SetGlobalMaxVoices().
131        - Added new C++ API method Sampler::SetGlobalMaxStreams().
132        - Various "const" and "restrict" optimizations.
133        - all engines: add pan CC value to instrument pan parameter before
134          applying panning, instead of using two separate pan functions in
135          series (#182)
136        - added a lock guard class for exception safe mutex handling and
137          used it everywhere appropriate
138        - Immediately apply scale tuning changes to active voices.
139        - Exposed scale tuning to C++ API (along to the already existing standard
140          SysEx way).
141        - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
142          and broken for ppc64. (Seq_cst loads and stores are actually not
143          used in LS, so the bug wasn't noticable.)
144        - lsatomic.h: added ARMv7 support
145        - Added support for multiple MIDI input ports per sampler channel (and
146          added various new C++ methods for this new feature / design change, old
147          C++ API methods for managing SamplerChannel's MIDI inputs are now marked
148          as deprecated but are still there and should provide full behavior
149          backward compatibility).
150        - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
151          unsafe and caused compilation error with clang 2.x).
152        - Bugfix: only process the latest MIDI program change event.
153        - Introducing the LSCP shell, which provides convenient control of the
154          sampler from the command line by providing LSCP aware features.
155        - VirtualMidiDevice: Added support for program change.
156        - VirtualMidiDevice: Added support for bank select (MSB & LSB).
157        - VirtualMidiDevice: Added support for pitch bend.
158        - Aftertouch: extended API to explicitly handle channel pressure and
159          polyphonic key pressure events (so far polyphonic pressure was not
160          supported at all, and channel pressure was rerouted as CC128 but not
161          used so far).
162        - Added initial support for real-time instrument scripts. The script VM
163          code is shared by all sampler engine implemementations, however only the
164          gig file format currently provides support for storing instrument scripts
165          (as LinuxSampler extension to the original GigaStudio 4 format).
166    
167      * Gigasampler format engine:
168        - implemented the "round robin keyboard" dimension
169        - fixed round robin and random dimensions for cases when number of
170          dimension zones is not a power of two
171        - made round robin use a counter for each region instead of each
172          key
173        - bugfix: pitch LFO controller "internal+aftertouch" was broken
174        - bugfix: filter keyboard tracking was broken
175        - filter performance fix (an unnecessary copy was made of the
176          filter parameters in each sub fragment)
177        - handle special case when pan parameter in gig file has max or
178          min value
179        - Exclusive Groups: don't ever stop voices of the same note,
180          doesn't sound naturally with a drumkit
181        - fixed EG1 modulation when attack or release is zero
182        - Fixed support for 'aftertouch' attenuation controller.
183        - Fixed crash that happened with velocity split sounds under certain
184          conditions (see also previous commit on libgig).
185        - fixed behaviour of filter LFO
186    
187      * SFZ format engine:
188        - Initial implementation (not usable yet)
189        - added support for v2 multiple stage envelope generators
190        - added a fine-tuned v1 envelope generator instead of using the
191          one from the gig engine
192        - fixed memory leak and memory handling errors
193        - added support for trigger=first, trigger=legato and sw_previous
194        - allow non-numerical key values ("C#4" for example)
195        - "key" opcode now sets pitch_keycenter too
196        - fixed error when unloading instrument with same sample used by
197          multiple regions
198        - added some opcode aliases, like loopmode for loop_mode, to be
199          more compatible
200        - added support for trigger=release and rt_decay
201        - added support for off_mode=normal
202        - added support for random, seq_position, seq_length and volume
203        - added v1 LFO opcodes to parser (no support in engine yet)
204        - added support for amp_veltrack and amp_velcurve_N
205        - fine-tuned the default velocity curve
206        - added support for transpose
207        - fixed crash when using sw_down/up
208        - improved logic for sw_lokey/hikey/up/down/last
209        - added more v1 aliases to parser
210        - reduced memory usage for sfz data
211        - RT-safeness: avoid malloc in audio thread
212        - fixed a bug that could cause voice stealing to fail
213        - optimized sample lookup
214        - improved support for exclusive groups (group, off_by and
215          off_mode)
216        - added support for controller triggered regions (on_locc/on_hicc)
217        - added support for loop_mode=one_shot
218        - fixed playback of 16 bit wav files on big endian CPUs
219        - added support for Ogg Vorbis sample files
220        - use loop markers from sample file if loop_start and loop_end are
221          not set in sfz file
222        - implemeted filters. Filter types: lowpass, bandpass, bandreject
223          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
224          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
225          cutoff_cc, cutoff_chanaft.
226        - bugfix: zero ampeg_sustain didn't work
227        - added support for velocity effect on amplifier envelope time
228          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
229          ampeg_vel2release)
230        - added support for EG hold (ampeg_hold)
231        - added support for sample offset (offset)
232        - use the newly introduced signal units model
233        - implemented opcodes lfoN_delay,
234          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
235        - implemented opcodes ampeg_delay, ampeg_vel2delay
236          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
237          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
238          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
239          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
240        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
241          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
242          amplfo_delay, amplfo_freq, amplfo_depth
243        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
244          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
245          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
246          fileg_vel2release
247        - implemented opcode lfoN_wave
248        - implemented opcode pitchlfo_depthccN
249        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
250          lfoN_pitch, lfoN_pitch_onccX
251        - implemented opcodes pitchlfo_fade,
252          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
253        - implemented opcodes fillfo_freqccN,
254          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
255        - implemented opcodes ampeg_delayccN, ampeg_startccN,
256          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
257          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
258        - lfoN_* and egN_* opcodes defined in group sections
259          are now taken into account
260        - implemented curves
261        - implemented opcodes volume_onccN, volume_curveccN
262        - implemented opcode volume_smoothccN
263        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
264          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
265          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
266          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
267          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
268        - implemented opcode end
269        - implemented opcodes egN_amplitude_onccX,
270          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
271          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
272        - implemented opcodes xfin_lokey, xfin_hikey,
273          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
274          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
275          xfout_loccN, xfout_hiccN, xf_cccurve
276        - implemented opcodes pan_onccN, pan_smoothccN,
277          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
278          egN_pan_curveccX, pitch_veltrack
279        - when failed to parse a sfz file
280          print the line number on which the error occurs
281        - use common pool of CC objects to minimize RAM usage
282        - implemented opcodes amplfo_delay_onccN,
283          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
284          pitchlfo_delay_onccN, pitchlfo_fade_onccN
285        - implemented opcodes fileg_delay_onccN,
286          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
287          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
288          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
289          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
290          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
291        - implemented automatic aliasing *ccN <-> *_onccN
292        - *lfo_freqccN wasn't working when the respective *lfo_freq
293          was not set or was set to zero
294        - lfoN_freq_onccX wasn't working when lfoN_freq
295          was not set or was set to zero
296        - implemented opcodes resonance_onccN, resonance_smoothccN,
297          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
298        - implemented opcodes fillfo_depthchanaft,
299          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
300          pitchlfo_depthchanaft, pitchlfo_freqchanaft
301        - implemented opcodes pitch_onccN,
302          pitch_curveccN, pitch_smoothccN, pitch_stepccN
303        - implemented opcodes volume_stepccN, pan_stepccN,
304          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
305          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
306          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
307        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
308          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
309          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
310          eq1_gainccN, eq2_gainccN, eq3_gainccN
311        - implemented opcodes delay, delay_onccN, delay_random,
312          delay_samples, delay_samples_onccN
313        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
314          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
315          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
316          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
317          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
318          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
319          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
320          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
321          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
322          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
323          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
324          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
325          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
326          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
327          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
328        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
329          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
330        - sfz parser: allow double spaces in sample filenames
331        - sfz parser: allow absolute paths for sample filenames
332        - use linear decay and release for filter and pitch EG
333        - bugfix: only the first amp_veltrack definition in a file was
334          used
335        - bugfix: looping was disabled if loop_start was set to 0
336        - allow regions with end=-1 to turn off other regions using the
337          group and off_by opcodes (#168)
338        - made end=0 play the whole sample
339        - fixed support for lochan and hichan opcodes (#155)
340        - fixed crash when using lochan/hichan opcodes (#187)
341        - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
342        - added FLAC support (#191)
343        - sfz parser bugfix: lines starting with whitespace were ignored
344        - added amplitude opcode
345        - added support for "#include" instruction
346          (modified patch which was originally posted by Sergey on LS mailing list)
347        - bugfix: generation of velocity curves etc should not be done
348          after each "#include", only after the main file is parsed
349        - bugfix: line numbers in error messages were wrong after "#include"
350        - added support for float and 32 bit sample files
351    
352      * SoundFont format engine:
353        - Initial implementation (not usable yet)
354        - RT-safeness: avoid malloc in audio thread
355        - fixed a bug that could cause voice stealing to fail
356        - fine-tuned amplitude EG (by switching from gig to sfz EG)
357        - initial implementation of Vibrato LFO and Modulation LFO
358        - initial implementation of cutoff filter
359        - use linear decay and release for filter and pitch EG
360    
361      * Host plugins (VST, AU, LV2, DSSI):
362        - AU bugfix: failed to destroy its audio/MIDI devices
363        - Listen to all interfaces on Mac OS X (INADDR_ANY)
364        - VST bugfix: If the host called resume() before and after
365          changing sample rate or block size, the number of channels was
366          incorrectly set to two. This caused silence in Cubase 5.
367        - save engine type (gig, sfz or sf2) in plugin state
368        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
369          64 bit Windows
370        - AU: changed number of output channels from one stereo to 16
371          stereo
372        - VST: made it possible to build the VST plugin for Mac
373        - AU: link AU plugin dynamically if --disable-shared isn't
374          specified
375        - LV2 "state" extension support (patch by David Robillard)
376        - VST bugfix: instrument loading hang and crashed the host when
377          the plugin was loaded a second time (#174)
378        - plugin bugfix: instrument loading hang when the plugin was
379          loaded a second time (this time it's for Linux and Mac, previous
380          similar fix was for Windows)
381        - thread safety fixes for the instrument loading thread
382        - LV2: use the new lv2 package if present
383        - VST: try to open Fantasia automatically on Linux and Mac too (on
384          Linux, the Fantasia jar should be placed in <prefix>/share/java)
385        - VST: fixed crashes on Linux Ardour and EnergyXT
386        - DSSI bugfix: it wasn't possible to change engine type. The MIDI
387          port and audio channel routing for DSSI plugins are now visible.
388        - LV2: use urid and atom extensions instead of deprecated uri-map
389          and event
390        - LV2: lv2 package 1.0 is now required to build the LV2 plugin
391        - LV2: changed number of output channels to 16 stereo, just like
392          the VST and AU plugins
393        - LV2: fixed save/restore of SFZ state (patch by David Robillard)
394        - LV2: made LV2 plugin buildable on Windows and Mac
395        - VST: implemented retrieval and switching of programs using the
396          sampler's internal MIDI instrument mapping system
397    
398      * Instrument editor interface:
399        - Changed instrument editor plugin interface, providing additional
400          informations like the EngineChannel for which the instrument editor was
401          spawned for. This allows the instrument editors to interact more actively
402          with the sampler.
403    
404      * MIDI driver:
405        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
406          the ALSA sequencer client name
407        - removed limit of maximum amount of MIDI ports per MIDI device, since
408          there is no reason for this limit
409        - MME: fixed memory handling bug found with cppcheck
410        - MME: removed compiler warning
411        - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
412          which allows to retrieve the list of CoreMIDI clients / ports and to connect
413          to them a la JACK, via the usual sampler APIs
414        - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
415          the driver will automatically connect to other CoreMIDI clients' ports
416          (e.g. external MIDI devices being attached to the Mac)
417        - added support for MIDI note on velocity filter
418        - CoreMIDI: fixed memory deallocation error
419        - Fixed variable underflow in VirtualMidiDevice, which caused graphical
420          virtual keyboards in frontends / instrument editors being stuck.
421        - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
422        - Implemented missing handling of MIDI "running status".
423        - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
424        - MME bugfix: driver wasn't closed properly
425        - CoreMIDI: automatically connect to all input sources by default (driver
426          parameter "AUTO_BIND").
427        - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
428        - CoreMIDI: fixed minor memory leak
429    
430      * audio driver:
431        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
432        - JACK audio: react on sample rate changes.
433        - JACK audio: react on buffer size changes.
434        - JACK audio: jack_port_get_buffer() was cached and called outside
435          RT context.
436        - ASIO driver: removed compiler warnings
437        - CoreAudio: fixed minor error handling bug
438        - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
439        - JACK audio: return the JACK server's current sample rate as default value
440          for audio device parameter "SAMPLERATE" (fixes #166).
441    
442      * LSCP server:
443        - added support for sending MIDI CC messages via LSCP command
444          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
445        - added LSCP command "GET AVAILABLE_EFFECTS"
446        - added LSCP command "LIST AVAILABLE_EFFECTS"
447        - added LSCP command "GET EFFECT INFO <effect-index>"
448        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
449        - added LSCP command
450          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
451        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
452        - added LSCP command "GET EFFECT_INSTANCES"
453        - added LSCP command "LIST EFFECT_INSTANCES"
454        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
455        - added LSCP command
456          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
457        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
458          <effect-instance> <input-control> <value>"
459        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
460        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
461        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
462        - added LSCP command
463          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
464        - added LSCP command
465          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
466        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
467          <effect-chain> <effect-instance>"
468        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
469          <effect-chain> <effect-chain-pos> <effect-instance>"
470        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
471          <effect-chain> <chain-pos>"
472        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
473          <fx_send_id> <effect_chain> <chain_pos>"
474        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
475        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
476          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
477          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
478        - provide comprehensive error messages on LSCP syntax errors
479          (suggesting expected next non-terminal symbols)
480    
481      * LSCP shell:
482        - Added support for auto correction of obvious and trivial syntax mistakes.
483        - Added support for auto completion by tab key.
484        - Show currently available auto completion while typing.
485        - Added support for browsing command history with up / down keys.
486        - Show all possible next symbols immediately right to the current command
487          line while typing (no double tab required for this feature, as it would
488          be the case in other shells).
489        - Added support for moving cursor left/right with arrow keys.
490        - Added support for built-in LSCP reference documentation, which will
491          automatically show the relevant LSCP reference section on screen as soon
492          as one specific LSCP command was detected while typing on the command
493          line.
494    
495      * Real-time instrument scripts:
496        - Implemented built-in script array variable %CC.
497        - Implemented built-in script int variable $CC_NUM.
498        - Implemented built-in script int variable $EVENT_NOTE.
499        - Implemented built-in script int variable $EVENT_VELOCITY.
500        - Implemented built-in script constant variable $VCC_MONO_AT.
501        - Implemented built-in script constant variable $VCC_PITCH_BEND.
502        - Implemented execution of script event handler "init".
503        - Implemented execution of script event handler "controller".
504        - Implemented execution of script event handler "note".
505        - Implemented execution of script event handler "release".
506        - Implemented built-in script function "play_note()" (only two of the
507          max. four function arguments are currently implemented yet though).
508        - Implemented built-in script int variable $EVENT_ID.
509        - Implemented built-in script function "ignore_event()"
510        - Implemented built-in script function "ignore_controller()" (may have one
511          or no argument).
512        - Implemented built-in script function "set_controller()".
513        - Added extended script VM for the Gigasampler/GigaStudio format sampler
514          engine, which extends the general instrument script VM with Giga format
515          specific variables and functions.
516        - Giga format scripts: added built-in script int constant variables
517          $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
518          $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
519          $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
520          $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
521          $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
522          $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
523          $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
524          $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
525          $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
526          $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
527        - Giga format scripts: Implemented built-in script function
528          "gig_set_dim_zone(event_id, dimension, zone)".
529        - Implemented built-in script int array variable $KEY_DOWN.
530        - Implemented built-in script function "abs()".
531        - Implemented built-in script function "random()".
532        - Implemented built-in script function "num_elements()".
533        - Implemented built-in script function "note_off()".
534        - Implemented built-in script function "set_event_mark()".
535        - Implemented built-in script function "delete_event_mark()".
536        - Implemented built-in script function "by_marks()".
537        - Added built-in script int const variables $MARK_1 to $MARK_28.
538        - Built-in script functions "ignore_event()", "note_off()" and
539          "gig_set_dim_zone()" now also accept an array of event IDs as argument
540          (i.e. return value of new script function "by_marks()").
541        - Pass/preserve polyphonic variable data from respective "note" event
542          handler to "release" event handler.
543    
544      * Bug fixes:
545        - Fixed crash which may occur when MIDI key + transpose is out of range
546        - minor valgrind fixes
547        - fixed crash which occurred when changing an already deployed sampler
548          channel to a different engine type
549        - fixed crash when deleting a sampler channel or changing engine
550          type while an instrument load was in progress
551        - bugfix: playing a note while changing the instrument could cause
552          a crash, or give "Handing back unknown region" error messages
553        - bugfix: calling SET VOICES (which Fantasia does on start and
554          refresh) could cause instruments to be unloaded
555        - Mac OS X: fixed name collision of enum in EffectControl and
556          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
557        - Mac OS X: fixed hanging threads
558        - Windows: disabled the previous thread fix on non-Mac systems, as
559          it caused hanging threads on Windows
560        - Fixed possible crashes due to corrupted MIDI/audio device list
561          after MIDI/audio device creation failure
562        - When creating MIDI instrument map entries with "PERSISTENT" type, the
563          instruments were uselessly precached with zero samples, however it still
564          took the full preloading time and on 1st program change the respective
565          instrument was completely reloaded again.
566        - fixed handling of rapid bank select and program change messages
567          sent to the same sampler channel (patch from the Open Octave
568          project, slightly adjusted)
569        - fixed crash when trying to create an effect instance with controls
570          which min and/or max values depend on the sample rate
571        - fixed bug #162
572        - bugfix: LADSPA_PATH was not evaluated correctly when containing
573          multiple paths (#165)
574        - thread safety fixes for the instrument loading thread
575        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
576          (#176)
577        - more thread safety fixes for the instrument loading thread
578        - sfz/sf2 engine: fixed crash when using small audio fragment size
579        - Mac OS X: fixed crash when unloading plugin on 10.7 and later
580        - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
581          introduced in previous fix)
582        - fixed crash when a channel received a program change while
583          playing a note in a key group
584        - fixed erroneous error message piping in VoiceBase.h
585          (labelled "Disk stream not available in time")
586        - Update effects on sample rate & period size changes (to avoid
587          crashes and noise on such transitions).
588        - ignore missing LADSPA paths without ignoring valid LADSPA paths
589          (fixes #208)
590        - Fixed bug in LSCP grammar definition which caused a statement like
591          "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
592          practically irrelevant, however it caused problems with the new LSCP
593          shell's auto completion feature).
594        - Fixed MIDI program change messages being ignored if quickly executed
595          after each other (fixes #231).
596    
597    Version 1.0.0 (31 July 2009)
598    
599      * packaging changes:
600        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
601          causing e.g. the libgig test to fail when
602          "./configure --disable-jack-driver" was used
603          (patch by Alexis Ballier)
604        - fixed compilation with gcc 4.3
605        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
606        - fixed configure so it detects x86_64 (#107)
607        - fixes for building with newer MinGW versions
608        - fix for building with bison 2.4 (#111)
609        - fixed building with libgig installed in a non-standard directory
610        - minor fix in configure for mmsystem.h detection on MinGW
611        - Windows: look for editor plugins and Fantasia using base
612          directory of liblinuxsampler dll (look in the same directory and one
613          directory above)
614        - configure script fix: removed unconditional use of SSE
615        - fixed building with sqlite installed in a non-standard directory
616        - when cross-compiling, don't try to create instruments.db
617        - fix for new mingw-w64 version, which has usleep
618    
619      * general changes:
620        - bugfix: on some POSIX systems instrument editor plugins refused to
621          load as we used a non-portable Linux specific struct field
622          (fixes bug #70, patch by Ronald Baljeu)
623        - fixed endless loop which occured when loading an instrument editor
624          plugin DLL on Windows systems failed
625        - fixed memory leaks that occurred when liblinuxsampler was unloaded
626        - optimized the SynchronizedConfig class so it doesn't wait
627          unnecessarily long after an update
628        - added support for notifying instrument editors on note-on / note-off
629          events (e.g. to highlight the pressed keys on the virtual keyboard
630          of gigedit)
631        - added support for triggering notes by instrument editors (see above)
632        - be verbose on DLL load errors (on Linux)
633        - fixed di-harmonic triangle LFO implementation (this LFO implementation
634          is only used by very few systems, most pick the int math
635          implementation, which is usually faster)
636        - fixes for audio drivers with varying buffer sizes
637        - experimental support for running LinuxSampler as a DSSI, LV2 and
638          VST plugin
639        - notification events for stream/voice count statistics are now sent
640          only when there are actual changes
641        - added memory ordering constraints to improve stability on
642          multi-core and multi-cpu systems
643        - maximum voices and disk streams can now be altered at runtime
644        - fixed CPU feature detection on x86_64 (maybe fixes #108)
645        - automatic stacktrace mechanism is now turned off by default and can
646          be switched on by command line option "--stacktrace" (the automatic
647          stacktrace mechanism seems to be broken on most systems at the moment)
648        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
649          a pointer to the launched InstrumentEditor object
650        - added optional 3rd party user data parameter for following
651          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
652          InstrumentEditor::Launch(),
653          InstrumentManager::LaunchInstrumentEditor()
654        - theoretical fix: made SynchronizedConfig follow C++0x memory
655          model more strictly
656        - fixes for using large audio device buffers
657        - Windows: add the installation directory to the DLL search path
658          when loading an editor plugin (solves problems with VST and
659          gigedit on systems with other GTK versions installed)
660        - updated linuxsampler man page
661    
662      * audio driver:
663        - removed the nonsense audio channel constraint (which was hard coded to
664          max. 100 audio channels) for most audio drivers
665        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
666          opposed to the LSCP specs
667        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
668          reflected the wrong value
669        - fixed a memory management bug in ASIO driver
670        - Makefile fix: JACK_CFLAGS wasn't used
671        - JACK: use jack_client_open instead of the deprecated
672          jack_client_new
673        - added (experimental) CoreAudio driver
674        - applied old fixes to the ASIO driver that were included in the
675          previous binary release but accidentally never committed to CVS
676          (fixes #117)
677        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
678          win64)
679        - VST: added support for sample rate and buffer size changes
680        - VST: close editor (Fantasia) when the VST is removed
681        - VST: avoid opening Fantasia more than once for each VST instance
682        - VST: export main function as "main" on Linux too (fix for
683          energyXT)
684        - VST: changed number of output channels from one stereo to 16
685          stereo
686        - added channel routing, fxsends and midi maps to the settings
687          stored in the plugin state
688        - performance optimization of AudioChannel::MixTo() and
689          AudioChannel::CopyTo() methods using GCC vector exensions
690          (if available)
691        - ASIO fixes: avoid initializing the device twice, avoid throwing
692          exception when getting parameters from a disconnected device
693    
694      * MIDI driver:
695        - added JACK MIDI driver
696        - dispatch bank select as ordinary CC as well, the user might seriously
697          want to (mis)use it for some purpose ("fixed" in all current MIDI
698          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
699        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
700          CoreMidi or AU
701        - fixed mingw-w64 compilation error in MME driver
702        - made program change handling in MIDI thread real-time safe by
703          moving the logic to a non-RT thread
704        - fixed minor memory leak in ALSA driver
705    
706      * instruments database:
707        - avoid time consuming samples scanning when adding instruments
708          to the instruments database
709        - added support for handling lost files in the instruments database
710        - Implemented option for adding instruments in separate directories
711          in the instruments database
712          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
713        - work-around for missing fnmatch function on Windows to make
714          instrument database compilable
715        - added instrument database support on Windows
716          works with both standalone mode and VST plugin.
717          the instruments DB file is located in
718          %USERPROFILE%\.linuxsampler\instruments.db which allows different
719          databases for each windows user
720          if no DB is present it automatically creates the .linuxsampler subdir
721          and then creates an empty DB
722        - fixed recursive import, which was broken on Windows
723    
724      * Gigasampler format engine:
725        - fixed a memory leak that could happen when a channel was deleted
726          while notes were playing
727        - made it possible to load an instrument even if the audio thread
728          isn't running
729        - added partial support for the "Controller Triggered" MIDI rule,
730          enough for piano gigs with pedal noise samples
731        - minor fix: only mark FX sends as being modified if really the
732          respective FX send MIDI controller was used
733        - added support for GM global device volume SysEx message
734          (can be selected at compile time to either apply globally to the
735          whole sampler [default] or only to the sampler channels that are
736          connected to the respective MIDI input port the SysEx message arrived
737          on)
738        - bugfix: notes triggered at position 0 in the audio buffer were
739          sometimes wrongly killed in the same buffer, causing no sound to
740          be played
741        - added support for chromatic / drumkit mode Roland GS Sysex message
742          which is usally used to switch a part between chromatic sounds and
743          drumkit sounds (as opposed to their common default setting of MIDI
744          part 10 being a drumkit part and all other ones chromatic parts), in
745          LS however one can switch between the first 16 MIDI instrument maps
746          defined for the sampler
747        - made it possible to create multiple sample channels even if the
748          audio thread isn't running
749        - fixed crash when removing channel with active voices (#116)
750        - bugfix: on sample reference changes (instrument editor), only
751          un-cache the respective sample if it's really not used by any
752          sampler engine anymore
753        - re-cache samples in case they were changed by an instrument editor,
754          e.g. when a sample was added while playing (#82)
755        - fixed hanging notes which occured when note-off event had the exact
756          same time stamp as the voice's note-on event and occured both in the
757          same audio fragment cycle (fixes bug #112)
758        - added support for the "fine tune" and "pitch bend range"
759          instrument-level gig parameters
760        - fixed minor artifacts in pitch bend handling
761        - added support for GS Reset SysEx message
762        - allow gig files to use unlimited downward pitch shifting
763        - added a limit check for upward pitch shifting
764        - bugfix: sometimes, when playing a note twice fast, the second
765          note was silent
766        - fixed crash happening when a pitch bend event arrived at the
767          same time a new instrument was loading
768    
769      * LSCP server:
770        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
771          react on MIDI data arriving on certain sampler channels (so far only
772          Note-On and Note-Off events are sent via this LSCP event)
773        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
774          react on MIDI data arriving on certain MIDI input devices (so far only
775          Note-On and Note-Off events are sent via this LSCP event)
776        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
777          SET DB_INSTRUMENT FILE_PATH
778        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
779          frontends to send MIDI messages to specific sampler channel
780        - added two additional fields to GET FILE INSTRUMENT INFO command -
781          KEY_BINDINGS and KEYSWITCH_BINDINGS
782        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
783          was incorrect
784        - Optimized the retrieval of the MIDI instrument mappings
785        - added new LSCP command "SET VOICES" to globally alter the maximum
786          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
787          be triggered respectively
788        - added new LSCP command "SET STREAMS" to globally alter the maximum
789          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
790          which will be triggered respectively
791        - bugfix: retry if "select" returns EINTR (this fixes a crash when
792          a gigedit file dialog is opened)
793        - close all connections when LSCPServer is deleted
794        - hard close of all sockets on exit
795        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
796          driver
797    
798      * Bug fixes:
799        - fixed a crash which occurs when removing a sampler channel waiting
800          to start instrument loading after another channel
801        - fixed a crash which occurs when removing a sampler channel with
802          instrument loading in progress (bug #113)
803        - fixed termination caused by uncaught exception when adding MIDI
804          instrument with PERSISTENT load mode
805        - fixed possible iterator invalidations when resetting the sampler
806        - fixed memory leaks when issuing the following LSCP commands:
807          GET AUDIO_OUTPUT_DRIVER INFO
808          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
809          GET MIDI_INPUT_DRIVER INFO
810          GET MIDI_INPUT_DRIVER_PARAMETER INFO
811        - fixed possible compilation error when sqlite is not present
812        - fixed orphaned pointers when setting maximum voices limit (bug #118)
813        - fixed crash when changing the audio output device of a sampler
814          channel with loaded instrument and start playing notes
815        - fixed endless loop in Engine::SuspendAll() (bug #120)
816        - fixed a low-level atomic load function that was broken on 64-bit
817          PowerPC, which probably could cause crashes on that platform
818        - fixed a memory management error which could cause a crash when a
819          plugin was unloaded
820        - bugfix: two private structs had the same name, which could cause
821          problems if the linker chose the wrong constructor
822        - fixed low-level ConditionServer usage bug that caused lockups on
823          Windows
824    
825    
826    Version 0.5.1 (6 December 2007)
827    
828      * packaging changes:
829        - added autoconf checks for pthread library
830        - added autoconf check for pthread bug found on certain NPTL-enabled
831          glibc versions (see Gentoo bug report #194076)
832        - added autoconf checks for MS Windows
833    
834      * general changes:
835        - bugfix: the thread used by an editor plugin didn't die when the
836          editor closed
837        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
838          out all the space. operator--() did not apply size_mask after
839          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
840          order to avoid problems with the _NonVolatileReader functions.
841        - bugfix: Stream.h: added a missing divide by BytesPerSample in
842          GetWriteSpace(). Since this function is currently only used in
843          the stream's qsort() compare function, it didn't trigger any
844          bugs.
845        - Resampler.h, Synthesizer.h: cubic interpolation now works in
846          24bit mode too. Faster method to read 24bit words on little
847          endian machines (x86): replaced 3 byte reads + shifts with a 1
848          unaligned 32bit read and shift
849        - experimental support for MS Windows (MIDI input via MME, AUDIO
850          output via ASIO)
851        - made handling of SIGINT signal (Ctrl-C) a bit more robust
852        - support for monitoring the total number of active disk streams
853          (new LSCP commands: GET TOTAL_STREAM_COUNT,
854          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
855    
856      * AUDIO driver:
857        - added Windows ASIO low latency audio driver
858    
859      * MIDI driver:
860        - added MME Windows MIDI driver
861    
862      * LSCP server:
863        - added support for Windows style path / filenames, however with
864          forward slash path separators instead of backslash
865          (i.e. "C:/foo/bar.gig")
866        - allow naughty liblscp to send non-string device parameters within
867          apostrophes as well
868        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
869          "LIST FILE INSTRUMENTS <file>" and
870          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
871          about an arbitrary instrument file on the system where the sampler is
872          running on
873    
874    Version 0.5.0 (15 October 2007)
875    
876      * packaging changes:
877        - config.h is not going to be installed along with liblinuxsampler's
878          API header files anymore
879        - only the API relevant header (and source) files will be exported to
880          the Doxygen API documentation (explicitly listed in Doxyfile.in)
881        - added completely new XCode project files for Mac OSX which is now
882          capable to execute our autoconf environment, thus no need anymore
883          to maintain the compile time configuration file (osx/version.h) for
884          OSX manually (patch by Toshi Nagata)
885        - fixed buggy boolean --enable-foo / --disable-foo configure script
886          parameters
887        - global.h now only covers global definitions that are needed for the
888          C++ API header files, all implementation internal global definitions
889          are now in global_private.h
890        - atomic.h is not exposed to the C++ API anymore
891        - no need to include config.h anymore for using LS's API header files
892        - fixed warnings in API doc generation
893    
894      * general changes:
895        - replaced the old, confusing MIDI program change mechanism by a
896          flexible MIDI instrument mapper which allows to map arbitrary
897          (MIDI bank, MIDI program) pairs with arbitrary
898          (engine type, instrument file, file index) triplets which will be
899          loaded on the respective channel when such MIDI program change
900          messages arrive, beside that, each entry allows to define a life-time
901          strategy for the instrument, so the user can define whether the
902          instrument should i.e. be permanently loaded (to be able to switch
903          quickly among sounds) or i.e. loaded just on demand when the
904          respective program change arrives (to safe RAM space), as well as a
905          global volume factor for each entry, so the user can adjust the volume
906          dynamic of his mapped instrument collection without having to modify
907          the instrument files, also one can manage arbitrary amount of such
908          MIDI instrument maps and assign each sampler channel individually
909          a certain map, so that i.e. separation of normal instruments and
910          drumkits is possible
911        - new notification events for tracking changes to audio/MIDI devices,
912          MIDI instrument maps, MIDI instruments, FX sends, global volume.
913        - sampler was limited to load max. 200 instruments in the background
914          due to a constant size RingBuffer FIFO which is now replaced by a
915          dynamic (unlimited) size std::list FIFO
916        - added FX sends, these allow to route audio signals to arbitrary audio
917          output channels for being processed by external effect processors
918          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
919          controllers
920        - global (sampler wide) volume can now be controlled at runtime
921        - Implemented new, improved notification system
922        - fixed compilation errors regarding OSX
923          (patch by Toshi Nagata)
924        - implemented instruments database
925        - added support for escape sequences to the instruments database
926        - added highly experimental support for on-the-fly instrument editing
927          within the sampler's process (by using instrument editor plugins),
928          you'll notice the new "Registered instrument editors:" message on
929          startup, added a new LSCP command:
930          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
931          to spawn a matching instrument editor for the instrument on the
932          given sampler channel, the plugin path can be overridden at compile
933          time with ./configure --enable-plugin-dir=/some/dir
934        - added experimental code for synchronizing instrument editors hosted
935          in the sampler's process to safely edit instruments while playing
936          without a crash (hopefully) by either suspending single regions
937          wherever possible or if unavoidable whole engine(s)
938        - fixed several issues in fundamental "Thread" class: set scheduling
939          policy and priority on thread level, set a minimum stack size for
940          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
941          threads simply inherited properties of starting thread instead of
942          setting their own policy and priority
943        - minor fix in our automatic stack trace mechanism on crashes, the
944          main process did not wait for the stack trace process to finish
945          its output
946        - fixed some minor memory leaks
947        - reenabled assembly features support, at the moment only for
948          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
949        - minor assembly fix in x86 features detection (don't use the PIC
950          register, to avoid relocations in the text segment at runtime)
951        - POSIX callback functions of Thread.h are hidden
952    
953      * MIDI driver:
954        - dispatch bank select (MSB and LSB) messages
955    
956      * audio driver:
957        - the ALSA audio output driver parameters now reflect the correct
958          parameter value ranges for the respective selected sound card
959          (patch by Till Wimmer, a bit fixed and extended)
960    
961      * Gigasampler format engine:
962        - if a filter is used and EG2 finishes before EG1, let the voice
963          die when EG2 has finished (this fixes a problem with clicks and
964          voice starvation for some gigs)
965        - playback is no longer disabled during instrument loading
966        - all notes playing on a channel that changes its instrument keep
967          playing with the old instrument until they get a note off
968          command
969        - EG fix: a release value of zero could cause noises or crash
970        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
971        - EG fine tuning: when attack is zero the EG starts at a level
972          above max sustain level, which means that there is a decay phase
973          even if sustain is 100%
974        - more EG fixes: the level could sometimes go below zero and cause
975          noises or crashes
976        - minor fix of EGDecay (patch by Toshi Nagata)
977        - fixed compiler error when --enable-override-filter-type was
978          supplied to the configure script (fixes #46)
979        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
980          instead of a fix value
981        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
982          127 (solo mode) only kill voices if the respective mode really
983          changed
984    
985      * LSCP server:
986        - fixed compile time error for old Bison versions
987          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
988        - parser now supports extended ASCII character set
989          (up to ASCII code 255, i.e. includes now umlauts and accents)
990        - filename arguments in LSCP commands now allow to use escape
991          sequences, that is directly literal as one of: \', \", \\, \n, \r,
992          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
993          code value like \xf2) (fixes bug #24)
994        - the following LSCP commands now also support escape sequences for at
995          least one of their text-based parameters (i.e. name, description):
996          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
997          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
998          "SET DB_INSTRUMENT_DIRECTORY NAME",
999          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
1000          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
1001          "FIND DB_INSTRUMENT_DIRECTORIES"
1002        - returns verbose syntax errors (line and column where syntax error
1003          occured, the unexpected character and the actually expected, possible
1004          character(s), the latter only if less than 5 possibilities)
1005        - made sure that LSCP syntax is not affected by gigedit locale
1006          settings
1007        - bugfix regarding strings parameter lists: all comma separated lists
1008          of strings were treated as being one string containing commas
1009          (fixes #57)
1010    
1011      * Bug fixes:
1012        - fixed crash occurring on certain LSCP scripts (Bug 39)
1013        - another thread safety fix for lscp "load engine" and "set
1014          channel audio output device"
1015        - fixed a crash which occurs when reassigning the same engine
1016          on a sampler channel with connected MIDI device
1017        - fixed a crash which occurs when changing the number of ports of a MIDI
1018          device connected to a sampler channel to number less then or equal
1019          to the index of the port to which the sampler channel is connected.
1020        - The previous bindings were not been disconnected when altering
1021          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
1022          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
1023        - The active stream/voice count statistic was incorrect.
1024        - notification events were not been sent for some sampler
1025          channel changes
1026        - added default min and max values to restrict the number of allowed
1027          audio output channels and MIDI input ports
1028        - the connection to the PCM interface is now closed when destroying
1029          an audio output device
1030        - files with slash in their path or filename could not be loaded
1031    
1032      * test cases:
1033        - updated and fixed (haven't been touched in a while)
1034    
1035    Version 0.4.0 (24 November 2006)
1036    
1037    * packaging changes:    * packaging changes:
1038      - changed deprecated copyright attribute to license; added ldconfig      - changed deprecated copyright attribute to license; added ldconfig
# Line 19  Version CVS HEAD (?) Line 1053  Version CVS HEAD (?)
1053        messages        messages
1054      - added compile time options to allow disabling the various audio and      - added compile time options to allow disabling the various audio and
1055        MIDI drivers        MIDI drivers
1056        - fixed automatic GCC CPU switch detection on PPC
1057          (patch by Ebrahim Mayat)
1058    
1059    * Gigasampler format engine:    * Gigasampler format engine:
1060      - extensive synthesis optimization      - extensive synthesis optimization
# Line 61  Version CVS HEAD (?) Line 1097  Version CVS HEAD (?)
1097      - reimplementation of the filter algorithm. The new filter is more      - reimplementation of the filter algorithm. The new filter is more
1098        accurate and supports all gig filter types, including bandreject        accurate and supports all gig filter types, including bandreject
1099        and lowpass turbo.        and lowpass turbo.
1100        - real support for 24 bit samples - samples are not truncated to
1101          16 bits anymore
1102        - support for aftertouch (channel pressure, not polyphonic
1103          aftertouch)
1104        - LFO1 behaviour fixed (dampening from max volume instead of
1105          amplifying from 0)
1106    
1107    * LSCP server:    * LSCP server:
1108      - fixed application exit on broken pipe error (fixes bug #20)      - fixed application exit on broken pipe error (fixes bug #20)
# Line 75  Version CVS HEAD (?) Line 1117  Version CVS HEAD (?)
1117    * MIDI driver:    * MIDI driver:
1118      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
1119        messages several times instead of once        messages several times instead of once
1120        - API extension for MIDI drivers which already supply exact time stamps
1121          for events (i.e. for offline rendering based MIDI drivers)
1122        - added checks for bad MIDI data
1123    
1124    * linuxsampler application:    * linuxsampler application:
1125      - show available sampler engine types on startup      - show available sampler engine types on startup
# Line 94  Version CVS HEAD (?) Line 1139  Version CVS HEAD (?)
1139      - fixed some memory management errors      - fixed some memory management errors
1140      - fixed some concurrency problems that could lead to crashes when      - fixed some concurrency problems that could lead to crashes when
1141        LSCP commands were executed        LSCP commands were executed
1142        - fixed crash when instrument loading failed previously on the same
1143          sampler channel (fixes bug #36)
1144    
1145  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
1146    

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