/[svn]/linuxsampler/trunk/ChangeLog
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revision 688 by schoenebeck, Thu Jul 14 12:25:20 2005 UTC revision 2326 by persson, Thu Mar 8 19:40:14 2012 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * plugin changes:
4        - LV2 "state" extension support (patch by David Robillard)
5    
6      * packaging changes:
7        - fixed building with newer MinGW-w64
8        - Mac OS X: support the new dir for Core Audio SDK
9        - Mac OS X: fixed building outside source directory
10        - made sure all source files for hostplugins are included when
11          doing "make dist"
12        - removed empty directories left from the cvs to svn migration
13        - fixed compilation with gcc 4.6.1
14        - another "make dist" fix, for the LV2 plugin
15        - made --enable-pthread-testcancel default on Mac OS X
16        - minor Makefile fix for building lscpparser when build and source
17          directories are separate
18        - Mac OS X: made it possible to specify plugin installation dir to
19          configure
20        - Mac OS X: Makefile fix for the install-strip target
21    
22      * general changes:
23        - Refactoring: moved the independent code from
24          the Gigasampler format engine to base classes
25        - command line option '--profile' is currently disabled, since the
26          respective profiling code is currently broken
27        - Introduced support for optional environment variable
28          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
29          where the sampler shall look for instrument editor plugins
30          (patch by Luis Garrido, slightly modified).
31        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
32        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
33        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
34          note (in this implementation of the sampler its simply hard routed to
35          the 1st effect send of the sampler channel, no matter what the actual
36          effect type is)
37        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
38          note (in this implementation of the sampler its simply hard routed to
39          the 2nd effect send of the sampler channel, no matter what the actual
40          effect type is)
41        - implemented support for internal LADSPA effects
42        - raised limit of program change queue from 100 to 512
43          (as suggested by Alex Stone)
44        - implemented sine LFO, pulse LFO and saw LFO
45        - experimental support for per voice equalization
46        - added command line option --exec-after-init
47    
48      * Gigasampler format engine:
49        - implemented the "round robin keyboard" dimension
50        - fixed round robin and random dimensions for cases when number of
51          dimension zones is not a power of two
52        - made round robin use a counter for each region instead of each
53          key
54    
55      * SFZ format engine:
56        - Initial implementation (not usable yet)
57        - added support for v2 multiple stage envelope generators
58        - added a fine-tuned v1 envelope generator instead of using the
59          one from the gig engine
60        - fixed memory leak and memory handling errors
61        - added support for trigger=first, trigger=legato and sw_previous
62        - allow non-numerical key values ("C#4" for example)
63        - "key" opcode now sets pitch_keycenter too
64        - fixed error when unloading instrument with same sample used by
65          multiple regions
66        - added some opcode aliases, like loopmode for loop_mode, to be
67          more compatible
68        - added support for trigger=release and rt_decay
69        - added support for off_mode=normal
70        - added support for random, seq_position, seq_length and volume
71        - added v1 LFO opcodes to parser (no support in engine yet)
72        - added support for amp_veltrack and amp_velcurve_N
73        - fine-tuned the default velocity curve
74        - added support for transpose
75        - fixed crash when using sw_down/up
76        - improved logic for sw_lokey/hikey/up/down/last
77        - added more v1 aliases to parser
78        - reduced memory usage for sfz data
79        - RT-safeness: avoid malloc in audio thread
80        - fixed a bug that could cause voice stealing to fail
81        - optimized sample lookup
82        - improved support for exclusive groups (group, off_by and
83          off_mode)
84        - added support for controller triggered regions (on_locc/on_hicc)
85        - added support for loop_mode=one_shot
86        - fixed playback of 16 bit wav files on big endian CPUs
87        - added support for Ogg Vorbis sample files
88        - use loop markers from sample file if loop_start and loop_end are
89          not set in sfz file
90        - implemeted filters. Filter types: lowpass, bandpass, bandreject
91          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
92          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
93          cutoff_cc, cutoff_chanaft.
94        - bugfix: zero ampeg_sustain didn't work
95        - added support for velocity effect on amplifier envelope time
96          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
97          ampeg_vel2release)
98        - added support for EG hold (ampeg_hold)
99        - added support for sample offset (offset)
100        - use the newly introduced signal units model
101        - implemented opcodes lfoN_delay,
102          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
103        - implemented opcodes ampeg_delay, ampeg_vel2delay
104          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
105          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
106          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
107          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
108        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
109          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
110          amplfo_delay, amplfo_freq, amplfo_depth
111        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
112          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
113          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
114          fileg_vel2release
115        - implemented opcode lfoN_wave
116        - implemented opcode pitchlfo_depthccN
117        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
118          lfoN_pitch, lfoN_pitch_onccX
119        - implemented opcodes pitchlfo_fade,
120          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
121        - implemented opcodes fillfo_freqccN,
122          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
123        - implemented opcodes ampeg_delayccN, ampeg_startccN,
124          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
125          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
126        - lfoN_* and egN_* opcodes defined in group sections
127          are now taken into account
128        - implemented curves
129        - implemented opcodes volume_onccN, volume_curveccN
130        - implemented opcode volume_smoothccN
131        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
132          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
133          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
134          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
135          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
136        - implemented opcode end
137        - implemented opcodes egN_amplitude_onccX,
138          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
139          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
140        - implemented opcodes xfin_lokey, xfin_hikey,
141          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
142          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
143          xfout_loccN, xfout_hiccN, xf_cccurve
144        - implemented opcodes pan_onccN, pan_smoothccN,
145          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
146          egN_pan_curveccX, pitch_veltrack
147        - when failed to parse a sfz file
148          print the line number on which the error occurs
149        - use common pool of CC objects to minimize RAM usage
150        - implemented opcodes amplfo_delay_onccN,
151          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
152          pitchlfo_delay_onccN, pitchlfo_fade_onccN
153        - implemented opcodes fileg_delay_onccN,
154          fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
155          fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
156          fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
157          pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
158          pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
159        - implemented automatic aliasing *ccN <-> *_onccN
160        - *lfo_freqccN wasn't working when the respective *lfo_freq
161          was not set or was set to zero
162        - lfoN_freq_onccX wasn't working when lfoN_freq
163          was not set or was set to zero
164        - implemented opcodes resonance_onccN, resonance_smoothccN,
165          resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
166        - implemented opcodes fillfo_depthchanaft,
167          fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
168          pitchlfo_depthchanaft, pitchlfo_freqchanaft
169        - implemented opcodes pitch_onccN,
170          pitch_curveccN, pitch_smoothccN, pitch_stepccN
171        - implemented opcodes volume_stepccN, pan_stepccN,
172          cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
173          lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
174          lfoN_cutoff_stepccX, lfoN_resonance_stepccX
175        - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
176          eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
177          eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
178          eq1_gainccN, eq2_gainccN, eq3_gainccN
179        - implemented opcodes delay, delay_onccN, delay_random,
180          delay_samples, delay_samples_onccN
181        - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
182          egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
183          egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
184          egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
185          egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
186          lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
187          lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
188          lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
189          lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
190          lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
191          lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
192          lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
193          lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
194          lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
195          lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
196        - implemented opcodes eq1_vel2freq, eq2_vel2freq,
197          eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
198        - sfz parser: allow double spaces in sample filenames
199        - sfz parser: allow absolute paths for sample filenames
200        - use linear decay and release for filter and pitch EG
201        - bugfix: only the first amp_veltrack definition in a file was
202          used
203        - bugfix: looping was disabled if loop_start was set to 0
204        - allow regions with end=-1 to turn off other regions using the
205          group and off_by opcodes (#168)
206        - made end=0 play the whole sample
207        - fixed support for lochan and hichan opcodes (#155)
208    
209      * SoundFont format engine:
210        - Initial implementation (not usable yet)
211        - RT-safeness: avoid malloc in audio thread
212        - fixed a bug that could cause voice stealing to fail
213        - fine-tuned amplitude EG (by switching from gig to sfz EG)
214        - initial implementation of Vibrato LFO and Modulation LFO
215        - initial implementation of cutoff filter
216        - use linear decay and release for filter and pitch EG
217    
218      * Gigasampler format engine:
219        - bugfix: pitch LFO controller "internal+aftertouch" was broken
220        - bugfix: filter keyboard tracking was broken
221        - filter performance fix (an unnecessary copy was made of the
222          filter parameters in each sub fragment)
223    
224      * Host plugins:
225        - AU bugfix: failed to destroy its audio/MIDI devices
226        - Listen to all interfaces on Mac OS X (INADDR_ANY)
227        - VST bugfix: If the host called resume() before and after
228          changing sample rate or block size, the number of channels was
229          incorrectly set to two. This caused silence in Cubase 5.
230        - save engine type (gig, sfz or sf2) in plugin state
231        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
232          64 bit Windows
233        - AU: changed number of output channels from one stereo to 16
234          stereo
235        - VST: made it possible to build the VST plugin for Mac
236        - AU: link AU plugin dynamically if --disable-shared isn't
237          specified
238        - VST bugfix: instrument loading hang and crashed the host when
239          the plugin was loaded a second time (#174)
240        - plugin bugfix: instrument loading hang when the plugin was
241          loaded a second time (this time it's for Linux and Mac, previous
242          similar fix was for Windows)
243        - thread safety fixes for the instrument loading thread
244    
245      * MIDI driver:
246        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
247          the ALSA sequencer client name
248        - removed limit of maximum amount of MIDI ports per MIDI device, since
249          there is no reason for this limit
250        - MME: fixed memory handling bug found with cppcheck
251        - MME: removed compiler warning
252    
253      * audio driver:
254        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
255    
256      * LSCP server:
257        - added support for sending MIDI CC messages via LSCP command
258          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
259        - added LSCP command "GET AVAILABLE_EFFECTS"
260        - added LSCP command "LIST AVAILABLE_EFFECTS"
261        - added LSCP command "GET EFFECT INFO <effect-index>"
262        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
263        - added LSCP command
264          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
265        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
266        - added LSCP command "GET EFFECT_INSTANCES"
267        - added LSCP command "LIST EFFECT_INSTANCES"
268        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
269        - added LSCP command
270          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
271        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
272          <effect-instance> <input-control> <value>"
273        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
274        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
275        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
276        - added LSCP command
277          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
278        - added LSCP command
279          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
280        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
281          <effect-chain> <effect-instance>"
282        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
283          <effect-chain> <effect-chain-pos> <effect-instance>"
284        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
285          <effect-chain> <chain-pos>"
286        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
287          <fx_send_id> <effect_chain> <chain_pos>"
288        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
289        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
290          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
291          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
292    
293      * Bug fixes:
294        - Fixed crash which may occur when MIDI key + transpose is out of range
295        - minor valgrind fixes
296        - fixed crash which occurred when changing an already deployed sampler
297          channel to a different engine type
298        - fixed crash when deleting a sampler channel or changing engine
299          type while an instrument load was in progress
300        - bugfix: playing a note while changing the instrument could cause
301          a crash, or give "Handing back unknown region" error messages
302        - bugfix: calling SET VOICES (which Fantasia does on start and
303          refresh) could cause instruments to be unloaded
304        - Mac OS X: fixed name collision of enum in EffectControl and
305          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
306        - Mac OS X: fixed hanging threads
307        - Windows: disabled the previous thread fix on non-Mac systems, as
308          it caused hanging threads on Windows
309        - Fixed possible crashes due to corrupted MIDI/audio device list
310          after MIDI/audio device creation failure
311        - When creating MIDI instrument map entries with "PERSISTENT" type, the
312          instruments were uselessly precached with zero samples, however it still
313          took the full preloading time and on 1st program change the respective
314          instrument was completely reloaded again.
315        - fixed handling of rapid bank select and program change messages
316          sent to the same sampler channel (patch from the Open Octave
317          project, slightly adjusted)
318        - fixed crash when trying to create an effect instance with controls
319          which min and/or max values depend on the sample rate
320        - fixed bug #162
321        - bugfix: LADSPA_PATH was not evaluated correctly when containing
322          multiple paths (#165)
323        - thread safety fixes for the instrument loading thread
324        - bugfix: instrument loading crashed for sfz and sf2 in Ardour
325          (#176)
326        - more thread safety fixes for the instrument loading thread
327    
328    Version 1.0.0 (31 July 2009)
329    
330      * packaging changes:
331        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
332          causing e.g. the libgig test to fail when
333          "./configure --disable-jack-driver" was used
334          (patch by Alexis Ballier)
335        - fixed compilation with gcc 4.3
336        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
337        - fixed configure so it detects x86_64 (#107)
338        - fixes for building with newer MinGW versions
339        - fix for building with bison 2.4 (#111)
340        - fixed building with libgig installed in a non-standard directory
341        - minor fix in configure for mmsystem.h detection on MinGW
342        - Windows: look for editor plugins and Fantasia using base
343          directory of liblinuxsampler dll (look in the same directory and one
344          directory above)
345        - configure script fix: removed unconditional use of SSE
346        - fixed building with sqlite installed in a non-standard directory
347        - when cross-compiling, don't try to create instruments.db
348        - fix for new mingw-w64 version, which has usleep
349    
350      * general changes:
351        - bugfix: on some POSIX systems instrument editor plugins refused to
352          load as we used a non-portable Linux specific struct field
353          (fixes bug #70, patch by Ronald Baljeu)
354        - fixed endless loop which occured when loading an instrument editor
355          plugin DLL on Windows systems failed
356        - fixed memory leaks that occurred when liblinuxsampler was unloaded
357        - optimized the SynchronizedConfig class so it doesn't wait
358          unnecessarily long after an update
359        - added support for notifying instrument editors on note-on / note-off
360          events (e.g. to highlight the pressed keys on the virtual keyboard
361          of gigedit)
362        - added support for triggering notes by instrument editors (see above)
363        - be verbose on DLL load errors (on Linux)
364        - fixed di-harmonic triangle LFO implementation (this LFO implementation
365          is only used by very few systems, most pick the int math
366          implementation, which is usually faster)
367        - fixes for audio drivers with varying buffer sizes
368        - experimental support for running LinuxSampler as a DSSI, LV2 and
369          VST plugin
370        - notification events for stream/voice count statistics are now sent
371          only when there are actual changes
372        - added memory ordering constraints to improve stability on
373          multi-core and multi-cpu systems
374        - maximum voices and disk streams can now be altered at runtime
375        - fixed CPU feature detection on x86_64 (maybe fixes #108)
376        - automatic stacktrace mechanism is now turned off by default and can
377          be switched on by command line option "--stacktrace" (the automatic
378          stacktrace mechanism seems to be broken on most systems at the moment)
379        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
380          a pointer to the launched InstrumentEditor object
381        - added optional 3rd party user data parameter for following
382          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
383          InstrumentEditor::Launch(),
384          InstrumentManager::LaunchInstrumentEditor()
385        - theoretical fix: made SynchronizedConfig follow C++0x memory
386          model more strictly
387        - fixes for using large audio device buffers
388        - Windows: add the installation directory to the DLL search path
389          when loading an editor plugin (solves problems with VST and
390          gigedit on systems with other GTK versions installed)
391    
392      * audio driver:
393        - removed the nonsense audio channel constraint (which was hard coded to
394          max. 100 audio channels) for most audio drivers
395        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
396          opposed to the LSCP specs
397        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
398          reflected the wrong value
399        - fixed a memory management bug in ASIO driver
400        - Makefile fix: JACK_CFLAGS wasn't used
401        - JACK: use jack_client_open instead of the deprecated
402          jack_client_new
403        - added (experimental) CoreAudio driver
404        - applied old fixes to the ASIO driver that were included in the
405          previous binary release but accidentally never committed to CVS
406          (fixes #117)
407        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
408          win64)
409        - VST: added support for sample rate and buffer size changes
410        - VST: close editor (Fantasia) when the VST is removed
411        - VST: avoid opening Fantasia more than once for each VST instance
412        - VST: export main function as "main" on Linux too (fix for
413          energyXT)
414        - VST: changed number of output channels from one stereo to 16
415          stereo
416        - added channel routing, fxsends and midi maps to the settings
417          stored in the plugin state
418        - performance optimization of AudioChannel::MixTo() and
419          AudioChannel::CopyTo() methods using GCC vector exensions
420          (if available)
421        - ASIO fixes: avoid initializing the device twice, avoid throwing
422          exception when getting parameters from a disconnected device
423    
424      * MIDI driver:
425        - added JACK MIDI driver
426        - dispatch bank select as ordinary CC as well, the user might seriously
427          want to (mis)use it for some purpose ("fixed" in all current MIDI
428          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
429        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
430          CoreMidi or AU
431        - fixed mingw-w64 compilation error in MME driver
432        - made program change handling in MIDI thread real-time safe by
433          moving the logic to a non-RT thread
434        - fixed minor memory leak in ALSA driver
435    
436      * instruments database:
437        - avoid time consuming samples scanning when adding instruments
438          to the instruments database
439        - added support for handling lost files in the instruments database
440        - Implemented option for adding instruments in separate directories
441          in the instruments database
442          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
443        - work-around for missing fnmatch function on Windows to make
444          instrument database compilable
445        - added instrument database support on Windows
446          works with both standalone mode and VST plugin.
447          the instruments DB file is located in
448          %USERPROFILE%\.linuxsampler\instruments.db which allows different
449          databases for each windows user
450          if no DB is present it automatically creates the .linuxsampler subdir
451          and then creates an empty DB
452        - fixed recursive import, which was broken on Windows
453    
454      * Gigasampler format engine:
455        - fixed a memory leak that could happen when a channel was deleted
456          while notes were playing
457        - made it possible to load an instrument even if the audio thread
458          isn't running
459        - added partial support for the "Controller Triggered" MIDI rule,
460          enough for piano gigs with pedal noise samples
461        - minor fix: only mark FX sends as being modified if really the
462          respective FX send MIDI controller was used
463        - added support for GM global device volume SysEx message
464          (can be selected at compile time to either apply globally to the
465          whole sampler [default] or only to the sampler channels that are
466          connected to the respective MIDI input port the SysEx message arrived
467          on)
468        - bugfix: notes triggered at position 0 in the audio buffer were
469          sometimes wrongly killed in the same buffer, causing no sound to
470          be played
471        - added support for chromatic / drumkit mode Roland GS Sysex message
472          which is usally used to switch a part between chromatic sounds and
473          drumkit sounds (as opposed to their common default setting of MIDI
474          part 10 being a drumkit part and all other ones chromatic parts), in
475          LS however one can switch between the first 16 MIDI instrument maps
476          defined for the sampler
477        - made it possible to create multiple sample channels even if the
478          audio thread isn't running
479        - fixed crash when removing channel with active voices (#116)
480        - bugfix: on sample reference changes (instrument editor), only
481          un-cache the respective sample if it's really not used by any
482          sampler engine anymore
483        - re-cache samples in case they were changed by an instrument editor,
484          e.g. when a sample was added while playing (#82)
485        - fixed hanging notes which occured when note-off event had the exact
486          same time stamp as the voice's note-on event and occured both in the
487          same audio fragment cycle (fixes bug #112)
488        - added support for the "fine tune" and "pitch bend range"
489          instrument-level gig parameters
490        - fixed minor artifacts in pitch bend handling
491        - added support for GS Reset SysEx message
492        - allow gig files to use unlimited downward pitch shifting
493        - added a limit check for upward pitch shifting
494        - bugfix: sometimes, when playing a note twice fast, the second
495          note was silent
496        - fixed crash happening when a pitch bend event arrived at the
497          same time a new instrument was loading
498    
499      * LSCP server:
500        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
501          react on MIDI data arriving on certain sampler channels (so far only
502          Note-On and Note-Off events are sent via this LSCP event)
503        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
504          react on MIDI data arriving on certain MIDI input devices (so far only
505          Note-On and Note-Off events are sent via this LSCP event)
506        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
507          SET DB_INSTRUMENT FILE_PATH
508        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
509          frontends to send MIDI messages to specific sampler channel
510        - added two additional fields to GET FILE INSTRUMENT INFO command -
511          KEY_BINDINGS and KEYSWITCH_BINDINGS
512        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
513          was incorrect
514        - Optimized the retrieval of the MIDI instrument mappings
515        - added new LSCP command "SET VOICES" to globally alter the maximum
516          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
517          be triggered respectively
518        - added new LSCP command "SET STREAMS" to globally alter the maximum
519          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
520          which will be triggered respectively
521        - bugfix: retry if "select" returns EINTR (this fixes a crash when
522          a gigedit file dialog is opened)
523        - close all connections when LSCPServer is deleted
524        - hard close of all sockets on exit
525        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
526          driver
527    
528      * Bug fixes:
529        - fixed a crash which occurs when removing a sampler channel waiting
530          to start instrument loading after another channel
531        - fixed a crash which occurs when removing a sampler channel with
532          instrument loading in progress (bug #113)
533        - fixed termination caused by uncaught exception when adding MIDI
534          instrument with PERSISTENT load mode
535        - fixed possible iterator invalidations when resetting the sampler
536        - fixed memory leaks when issuing the following LSCP commands:
537          GET AUDIO_OUTPUT_DRIVER INFO
538          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
539          GET MIDI_INPUT_DRIVER INFO
540          GET MIDI_INPUT_DRIVER_PARAMETER INFO
541        - fixed possible compilation error when sqlite is not present
542        - fixed orphaned pointers when setting maximum voices limit (bug #118)
543        - fixed crash when changing the audio output device of a sampler
544          channel with loaded instrument and start playing notes
545        - fixed endless loop in Engine::SuspendAll() (bug #120)
546        - fixed a low-level atomic load function that was broken on 64-bit
547          PowerPC, which probably could cause crashes on that platform
548        - fixed a memory management error which could cause a crash when a
549          plugin was unloaded
550        - bugfix: two private structs had the same name, which could cause
551          problems if the linker chose the wrong constructor
552        - fixed low-level ConditionServer usage bug that caused lockups on
553          Windows
554    
555    
556    Version 0.5.1 (6 December 2007)
557    
558      * packaging changes:
559        - added autoconf checks for pthread library
560        - added autoconf check for pthread bug found on certain NPTL-enabled
561          glibc versions (see Gentoo bug report #194076)
562        - added autoconf checks for MS Windows
563    
564      * general changes:
565        - bugfix: the thread used by an editor plugin didn't die when the
566          editor closed
567        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
568          out all the space. operator--() did not apply size_mask after
569          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
570          order to avoid problems with the _NonVolatileReader functions.
571        - bugfix: Stream.h: added a missing divide by BytesPerSample in
572          GetWriteSpace(). Since this function is currently only used in
573          the stream's qsort() compare function, it didn't trigger any
574          bugs.
575        - Resampler.h, Synthesizer.h: cubic interpolation now works in
576          24bit mode too. Faster method to read 24bit words on little
577          endian machines (x86): replaced 3 byte reads + shifts with a 1
578          unaligned 32bit read and shift
579        - experimental support for MS Windows (MIDI input via MME, AUDIO
580          output via ASIO)
581        - made handling of SIGINT signal (Ctrl-C) a bit more robust
582        - support for monitoring the total number of active disk streams
583          (new LSCP commands: GET TOTAL_STREAM_COUNT,
584          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
585    
586      * AUDIO driver:
587        - added Windows ASIO low latency audio driver
588    
589      * MIDI driver:
590        - added MME Windows MIDI driver
591    
592      * LSCP server:
593        - added support for Windows style path / filenames, however with
594          forward slash path separators instead of backslash
595          (i.e. "C:/foo/bar.gig")
596        - allow naughty liblscp to send non-string device parameters within
597          apostrophes as well
598        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
599          "LIST FILE INSTRUMENTS <file>" and
600          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
601          about an arbitrary instrument file on the system where the sampler is
602          running on
603    
604    Version 0.5.0 (15 October 2007)
605    
606      * packaging changes:
607        - config.h is not going to be installed along with liblinuxsampler's
608          API header files anymore
609        - only the API relevant header (and source) files will be exported to
610          the Doxygen API documentation (explicitly listed in Doxyfile.in)
611        - added completely new XCode project files for Mac OSX which is now
612          capable to execute our autoconf environment, thus no need anymore
613          to maintain the compile time configuration file (osx/version.h) for
614          OSX manually (patch by Toshi Nagata)
615        - fixed buggy boolean --enable-foo / --disable-foo configure script
616          parameters
617        - global.h now only covers global definitions that are needed for the
618          C++ API header files, all implementation internal global definitions
619          are now in global_private.h
620        - atomic.h is not exposed to the C++ API anymore
621        - no need to include config.h anymore for using LS's API header files
622        - fixed warnings in API doc generation
623    
624      * general changes:
625        - replaced the old, confusing MIDI program change mechanism by a
626          flexible MIDI instrument mapper which allows to map arbitrary
627          (MIDI bank, MIDI program) pairs with arbitrary
628          (engine type, instrument file, file index) triplets which will be
629          loaded on the respective channel when such MIDI program change
630          messages arrive, beside that, each entry allows to define a life-time
631          strategy for the instrument, so the user can define whether the
632          instrument should i.e. be permanently loaded (to be able to switch
633          quickly among sounds) or i.e. loaded just on demand when the
634          respective program change arrives (to safe RAM space), as well as a
635          global volume factor for each entry, so the user can adjust the volume
636          dynamic of his mapped instrument collection without having to modify
637          the instrument files, also one can manage arbitrary amount of such
638          MIDI instrument maps and assign each sampler channel individually
639          a certain map, so that i.e. separation of normal instruments and
640          drumkits is possible
641        - new notification events for tracking changes to audio/MIDI devices,
642          MIDI instrument maps, MIDI instruments, FX sends, global volume.
643        - sampler was limited to load max. 200 instruments in the background
644          due to a constant size RingBuffer FIFO which is now replaced by a
645          dynamic (unlimited) size std::list FIFO
646        - added FX sends, these allow to route audio signals to arbitrary audio
647          output channels for being processed by external effect processors
648          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
649          controllers
650        - global (sampler wide) volume can now be controlled at runtime
651        - Implemented new, improved notification system
652        - fixed compilation errors regarding OSX
653          (patch by Toshi Nagata)
654        - implemented instruments database
655        - added support for escape sequences to the instruments database
656        - added highly experimental support for on-the-fly instrument editing
657          within the sampler's process (by using instrument editor plugins),
658          you'll notice the new "Registered instrument editors:" message on
659          startup, added a new LSCP command:
660          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
661          to spawn a matching instrument editor for the instrument on the
662          given sampler channel, the plugin path can be overridden at compile
663          time with ./configure --enable-plugin-dir=/some/dir
664        - added experimental code for synchronizing instrument editors hosted
665          in the sampler's process to safely edit instruments while playing
666          without a crash (hopefully) by either suspending single regions
667          wherever possible or if unavoidable whole engine(s)
668        - fixed several issues in fundamental "Thread" class: set scheduling
669          policy and priority on thread level, set a minimum stack size for
670          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
671          threads simply inherited properties of starting thread instead of
672          setting their own policy and priority
673        - minor fix in our automatic stack trace mechanism on crashes, the
674          main process did not wait for the stack trace process to finish
675          its output
676        - fixed some minor memory leaks
677        - reenabled assembly features support, at the moment only for
678          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
679        - minor assembly fix in x86 features detection (don't use the PIC
680          register, to avoid relocations in the text segment at runtime)
681        - POSIX callback functions of Thread.h are hidden
682    
683      * MIDI driver:
684        - dispatch bank select (MSB and LSB) messages
685    
686      * audio driver:
687        - the ALSA audio output driver parameters now reflect the correct
688          parameter value ranges for the respective selected sound card
689          (patch by Till Wimmer, a bit fixed and extended)
690    
691      * Gigasampler format engine:
692        - if a filter is used and EG2 finishes before EG1, let the voice
693          die when EG2 has finished (this fixes a problem with clicks and
694          voice starvation for some gigs)
695        - playback is no longer disabled during instrument loading
696        - all notes playing on a channel that changes its instrument keep
697          playing with the old instrument until they get a note off
698          command
699        - EG fix: a release value of zero could cause noises or crash
700        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
701        - EG fine tuning: when attack is zero the EG starts at a level
702          above max sustain level, which means that there is a decay phase
703          even if sustain is 100%
704        - more EG fixes: the level could sometimes go below zero and cause
705          noises or crashes
706        - minor fix of EGDecay (patch by Toshi Nagata)
707        - fixed compiler error when --enable-override-filter-type was
708          supplied to the configure script (fixes #46)
709        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
710          instead of a fix value
711        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
712          127 (solo mode) only kill voices if the respective mode really
713          changed
714    
715      * LSCP server:
716        - fixed compile time error for old Bison versions
717          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
718        - parser now supports extended ASCII character set
719          (up to ASCII code 255, i.e. includes now umlauts and accents)
720        - filename arguments in LSCP commands now allow to use escape
721          sequences, that is directly literal as one of: \', \", \\, \n, \r,
722          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
723          code value like \xf2) (fixes bug #24)
724        - the following LSCP commands now also support escape sequences for at
725          least one of their text-based parameters (i.e. name, description):
726          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
727          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
728          "SET DB_INSTRUMENT_DIRECTORY NAME",
729          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
730          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
731          "FIND DB_INSTRUMENT_DIRECTORIES"
732        - returns verbose syntax errors (line and column where syntax error
733          occured, the unexpected character and the actually expected, possible
734          character(s), the latter only if less than 5 possibilities)
735        - made sure that LSCP syntax is not affected by gigedit locale
736          settings
737        - bugfix regarding strings parameter lists: all comma separated lists
738          of strings were treated as being one string containing commas
739          (fixes #57)
740    
741      * Bug fixes:
742        - fixed crash occurring on certain LSCP scripts (Bug 39)
743        - another thread safety fix for lscp "load engine" and "set
744          channel audio output device"
745        - fixed a crash which occurs when reassigning the same engine
746          on a sampler channel with connected MIDI device
747        - fixed a crash which occurs when changing the number of ports of a MIDI
748          device connected to a sampler channel to number less then or equal
749          to the index of the port to which the sampler channel is connected.
750        - The previous bindings were not been disconnected when altering
751          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
752          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
753        - The active stream/voice count statistic was incorrect.
754        - notification events were not been sent for some sampler
755          channel changes
756        - added default min and max values to restrict the number of allowed
757          audio output channels and MIDI input ports
758        - the connection to the PCM interface is now closed when destroying
759          an audio output device
760        - files with slash in their path or filename could not be loaded
761    
762      * test cases:
763        - updated and fixed (haven't been touched in a while)
764    
765    Version 0.4.0 (24 November 2006)
766    
767      * packaging changes:
768        - changed deprecated copyright attribute to license; added ldconfig
769          to post-(un)install steps; added devel package for liblinuxsampler;
770          to linuxsampler.spec (RPM)
771        - install necessary development header files for allowing 3rd party
772          applications to link against liblinuxsampler
773        - liblinuxsampler's API documentation can be generated with 'make docs'
774          (Doxygen required)
775        - added benchmark to automatically detect the best triangle LFO
776          implementation (currently either an integer math solution or a
777          di-harmonic approximation), automatic detection can be overriden
778          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
779          configure script argument though (mandatory for cross-compilation)
780        - do not automatically pick optimized gcc flags if the user already
781          provided some on his own (as CXXFLAGS)
782        - added compile time option to disable processing of All-Notes-Off MIDI
783          messages
784        - added compile time options to allow disabling the various audio and
785          MIDI drivers
786        - fixed automatic GCC CPU switch detection on PPC
787          (patch by Ebrahim Mayat)
788    
789      * Gigasampler format engine:
790        - extensive synthesis optimization
791          (reimplementation of EGs and LFO(s), removed synthesis parameter
792          prerendering and the synthesis parameter matrix in general, splitting
793          each audio fragment into subfragments now where each subfragment uses
794          constant pitch and filter coefficients. The volume coefficient is
795          linearly interpolated inside a subfragment, unless
796          --disable-interpolate-volume is set.)
797        - fine tuning of the EG modulation parameters
798        - improved filter cutoff calculation by adding support for the
799          following gig parameters: Cutoff freq (used when no cutoff
800          controller is defined), Control invert, Minimum cutoff, Velocity
801          curve and Velocity range. The keyboard tracking now scales
802          cutoff frequency instead of resonance.
803        - added support for gig parameter Resonance.
804        - fixed bug in sysex handling (patch by Juan Linietsky)
805        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
806          which can be overridden with --enable-global-attenuation
807        - EG fixes: made the length of "attack hold" stage more
808          accurate. Release stage can now start before attack stage
809          ends. Cancel release didn't work when sustain was zero. Attack
810          time now has a minimal value to prevent clicks.
811        - fixed pitch changes larger than one octave
812        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
813        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
814          all modes can be altered via standard GM messages, that is CC5 for
815          altering portamento time, CC65 for enabling / disabling portamento
816          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
817        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
818          parameter) and crossfade
819        - added support for the "attenuation controller threshold" gig
820          parameter
821        - added smoothing of volume changes caused by control change
822          messages
823        - sample loop parameters are now taken from the DimensionRegion
824          instead of the wave chunk
825        - fixed keyswitching for v3 gigs with a number of keyswitch splits
826          not equal to a power of two
827        - reimplementation of the filter algorithm. The new filter is more
828          accurate and supports all gig filter types, including bandreject
829          and lowpass turbo.
830        - real support for 24 bit samples - samples are not truncated to
831          16 bits anymore
832        - support for aftertouch (channel pressure, not polyphonic
833          aftertouch)
834        - LFO1 behaviour fixed (dampening from max volume instead of
835          amplifying from 0)
836    
837      * LSCP server:
838        - fixed application exit on broken pipe error (fixes bug #20)
839        - fixed the notification messages delay due to lack of
840          network activity (fixes bug #26)
841        - fixed parser bug which occured on space(s) within device parameters
842          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
843    
844      * audio driver:
845        - added aRts audio output driver (by no means RT safe)
846    
847      * MIDI driver:
848        - fixed legacy sysex code which caused dispatching of MIDI SysEx
849          messages several times instead of once
850        - API extension for MIDI drivers which already supply exact time stamps
851          for events (i.e. for offline rendering based MIDI drivers)
852        - added checks for bad MIDI data
853    
854      * linuxsampler application:
855        - show available sampler engine types on startup
856    
857      * general changes:
858        - support for muting sampler channels and solo mode of the same, two new
859          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
860          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
861          introduced for this, the behavior is the same like on a mixer console
862          (patch by Grigor Iliev, a bit adjusted). Also added configure option
863          --enable-process-muted-channels which can be used to enable the
864          processing of muted channels.
865        - support for sostenuto pedal
866        - support for monitoring the total number of active voices
867          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
868          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
869        - fixed some memory management errors
870        - fixed some concurrency problems that could lead to crashes when
871          LSCP commands were executed
872        - fixed crash when instrument loading failed previously on the same
873          sampler channel (fixes bug #36)
874    
875    Version 0.3.3 (15 July 2005)
876    
877    * packaging changes:    * packaging changes:
878      - fixed compilation with gcc 4.0      - fixed compilation with gcc 4.0
879    

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