/[svn]/linuxsampler/trunk/ChangeLog
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revision 649 by schoenebeck, Wed Jun 15 00:01:28 2005 UTC revision 2233 by iliev, Mon Aug 8 18:46:19 2011 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * plugin changes:
4        - LV2 Persist + Files 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    
46      * Gigasampler format engine:
47        - implemented the "round robin keyboard" dimension
48        - fixed round robin and random dimensions for cases when number of
49          dimension zones is not a power of two
50        - made round robin use a counter for each region instead of each
51          key
52    
53      * SFZ format engine:
54        - Initial implementation (not usable yet)
55        - added support for v2 multiple stage envelope generators
56        - added a fine-tuned v1 envelope generator instead of using the
57          one from the gig engine
58        - fixed memory leak and memory handling errors
59        - added support for trigger=first, trigger=legato and sw_previous
60        - allow non-numerical key values ("C#4" for example)
61        - "key" opcode now sets pitch_keycenter too
62        - fixed error when unloading instrument with same sample used by
63          multiple regions
64        - added some opcode aliases, like loopmode for loop_mode, to be
65          more compatible
66        - added support for trigger=release and rt_decay
67        - added support for off_mode=normal
68        - added support for random, seq_position, seq_length and volume
69        - added v1 LFO opcodes to parser (no support in engine yet)
70        - added support for amp_veltrack and amp_velcurve_N
71        - fine-tuned the default velocity curve
72        - added support for transpose
73        - fixed crash when using sw_down/up
74        - improved logic for sw_lokey/hikey/up/down/last
75        - added more v1 aliases to parser
76        - reduced memory usage for sfz data
77        - RT-safeness: avoid malloc in audio thread
78        - fixed a bug that could cause voice stealing to fail
79        - optimized sample lookup
80        - improved support for exclusive groups (group, off_by and
81          off_mode)
82        - added support for controller triggered regions (on_locc/on_hicc)
83        - added support for loop_mode=one_shot
84        - fixed playback of 16 bit wav files on big endian CPUs
85        - added support for Ogg Vorbis sample files
86        - use loop markers from sample file if loop_start and loop_end are
87          not set in sfz file
88        - implemeted filters. Filter types: lowpass, bandpass, bandreject
89          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
90          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
91          cutoff_cc, cutoff_chanaft.
92        - bugfix: zero ampeg_sustain didn't work
93        - added support for velocity effect on amplifier envelope time
94          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
95          ampeg_vel2release)
96        - added support for EG hold (ampeg_hold)
97        - added support for sample offset (offset)
98        - use the newly introduced signal units model
99        - implemented opcodes lfoN_delay,
100          lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
101        - implemented opcodes ampeg_delay, ampeg_vel2delay
102          pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
103          pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
104          pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
105          pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
106        - implemented opcodes pitchlfo_delay, pitchlfo_freq,
107          pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
108          amplfo_delay, amplfo_freq, amplfo_depth
109        - implemented opcodes fileg_delay, fileg_start, fileg_attack,
110          fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
111          fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
112          fileg_vel2release
113        - implemented opcode lfoN_wave
114        - implemented opcode pitchlfo_depthccN
115        - implemented opcodes lfoN_phase, lfoN_phase_onccX,
116          lfoN_pitch, lfoN_pitch_onccX
117        - implemented opcodes pitchlfo_fade,
118          fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
119        - implemented opcodes fillfo_freqccN,
120          pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
121        - implemented opcodes ampeg_delayccN, ampeg_startccN,
122          ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
123          ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
124        - lfoN_* and egN_* opcodes defined in group sections
125          are now taken into account
126        - implemented curves
127        - implemented opcodes volume_onccN, volume_curveccN
128        - implemented opcode volume_smoothccN
129        - implemented opcodes fillfo_depthccN, amplfo_depthccN,
130          lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
131          lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
132          lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
133          lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
134    
135      * SoundFont format engine:
136        - Initial implementation (not usable yet)
137        - RT-safeness: avoid malloc in audio thread
138        - fixed a bug that could cause voice stealing to fail
139        - fine-tuned amplitude EG (by switching from gig to sfz EG)
140        - initial implementation of Vibrato LFO and Modulation LFO
141        - initial implementation of cutoff filter
142    
143      * Gigasampler format engine:
144        - bugfix: pitch LFO controller "internal+aftertouch" was broken
145        - bugfix: filter keyboard tracking was broken
146        - filter performance fix (an unnecessary copy was made of the
147          filter parameters in each sub fragment)
148    
149      * Host plugins:
150        - AU bugfix: failed to destroy its audio/MIDI devices
151        - Listen to all interfaces on Mac OS X (INADDR_ANY)
152        - VST bugfix: If the host called resume() before and after
153          changing sample rate or block size, the number of channels was
154          incorrectly set to two. This caused silence in Cubase 5.
155        - save engine type (gig, sfz or sf2) in plugin state
156        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
157          64 bit Windows
158        - AU: changed number of output channels from one stereo to 16
159          stereo
160        - VST: made it possible to build the VST plugin for Mac
161        - AU: link AU plugin dynamically if --disable-shared isn't
162          specified
163    
164      * MIDI driver:
165        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
166          the ALSA sequencer client name
167        - removed limit of maximum amount of MIDI ports per MIDI device, since
168          there is no reason for this limit
169    
170      * audio driver:
171        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
172    
173      * LSCP server:
174        - added support for sending MIDI CC messages via LSCP command
175          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
176        - added LSCP command "GET AVAILABLE_EFFECTS"
177        - added LSCP command "LIST AVAILABLE_EFFECTS"
178        - added LSCP command "GET EFFECT INFO <effect-index>"
179        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
180        - added LSCP command
181          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
182        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
183        - added LSCP command "GET EFFECT_INSTANCES"
184        - added LSCP command "LIST EFFECT_INSTANCES"
185        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
186        - added LSCP command
187          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
188        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
189          <effect-instance> <input-control> <value>"
190        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
191        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
192        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
193        - added LSCP command
194          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
195        - added LSCP command
196          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
197        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
198          <effect-chain> <effect-instance>"
199        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
200          <effect-chain> <effect-chain-pos> <effect-instance>"
201        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
202          <effect-chain> <chain-pos>"
203        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
204          <fx_send_id> <effect_chain> <chain_pos>"
205        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
206        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
207          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
208          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
209    
210      * Bug fixes:
211        - Fixed crash which may occur when MIDI key + transpose is out of range
212        - minor valgrind fixes
213        - fixed crash which occurred when changing an already deployed sampler
214          channel to a different engine type
215        - fixed crash when deleting a sampler channel or changing engine
216          type while an instrument load was in progress
217        - bugfix: playing a note while changing the instrument could cause
218          a crash, or give "Handing back unknown region" error messages
219        - bugfix: calling SET VOICES (which Fantasia does on start and
220          refresh) could cause instruments to be unloaded
221        - Mac OS X: fixed name collision of enum in EffectControl and
222          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
223        - Mac OS X: fixed hanging threads
224        - Windows: disabled the previous thread fix on non-Mac systems, as
225          it caused hanging threads on Windows
226        - Fixed possible crashes due to corrupted MIDI/audio device list
227          after MIDI/audio device creation failure
228    
229    Version 1.0.0 (31 July 2009)
230    
231      * packaging changes:
232        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
233          causing e.g. the libgig test to fail when
234          "./configure --disable-jack-driver" was used
235          (patch by Alexis Ballier)
236        - fixed compilation with gcc 4.3
237        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
238        - fixed configure so it detects x86_64 (#107)
239        - fixes for building with newer MinGW versions
240        - fix for building with bison 2.4 (#111)
241        - fixed building with libgig installed in a non-standard directory
242        - minor fix in configure for mmsystem.h detection on MinGW
243        - Windows: look for editor plugins and Fantasia using base
244          directory of liblinuxsampler dll (look in the same directory and one
245          directory above)
246        - configure script fix: removed unconditional use of SSE
247        - fixed building with sqlite installed in a non-standard directory
248        - when cross-compiling, don't try to create instruments.db
249        - fix for new mingw-w64 version, which has usleep
250    
251      * general changes:
252        - bugfix: on some POSIX systems instrument editor plugins refused to
253          load as we used a non-portable Linux specific struct field
254          (fixes bug #70, patch by Ronald Baljeu)
255        - fixed endless loop which occured when loading an instrument editor
256          plugin DLL on Windows systems failed
257        - fixed memory leaks that occurred when liblinuxsampler was unloaded
258        - optimized the SynchronizedConfig class so it doesn't wait
259          unnecessarily long after an update
260        - added support for notifying instrument editors on note-on / note-off
261          events (e.g. to highlight the pressed keys on the virtual keyboard
262          of gigedit)
263        - added support for triggering notes by instrument editors (see above)
264        - be verbose on DLL load errors (on Linux)
265        - fixed di-harmonic triangle LFO implementation (this LFO implementation
266          is only used by very few systems, most pick the int math
267          implementation, which is usually faster)
268        - fixes for audio drivers with varying buffer sizes
269        - experimental support for running LinuxSampler as a DSSI, LV2 and
270          VST plugin
271        - notification events for stream/voice count statistics are now sent
272          only when there are actual changes
273        - added memory ordering constraints to improve stability on
274          multi-core and multi-cpu systems
275        - maximum voices and disk streams can now be altered at runtime
276        - fixed CPU feature detection on x86_64 (maybe fixes #108)
277        - automatic stacktrace mechanism is now turned off by default and can
278          be switched on by command line option "--stacktrace" (the automatic
279          stacktrace mechanism seems to be broken on most systems at the moment)
280        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
281          a pointer to the launched InstrumentEditor object
282        - added optional 3rd party user data parameter for following
283          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
284          InstrumentEditor::Launch(),
285          InstrumentManager::LaunchInstrumentEditor()
286        - theoretical fix: made SynchronizedConfig follow C++0x memory
287          model more strictly
288        - fixes for using large audio device buffers
289        - Windows: add the installation directory to the DLL search path
290          when loading an editor plugin (solves problems with VST and
291          gigedit on systems with other GTK versions installed)
292    
293      * audio driver:
294        - removed the nonsense audio channel constraint (which was hard coded to
295          max. 100 audio channels) for most audio drivers
296        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
297          opposed to the LSCP specs
298        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
299          reflected the wrong value
300        - fixed a memory management bug in ASIO driver
301        - Makefile fix: JACK_CFLAGS wasn't used
302        - JACK: use jack_client_open instead of the deprecated
303          jack_client_new
304        - added (experimental) CoreAudio driver
305        - applied old fixes to the ASIO driver that were included in the
306          previous binary release but accidentally never committed to CVS
307          (fixes #117)
308        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
309          win64)
310        - VST: added support for sample rate and buffer size changes
311        - VST: close editor (Fantasia) when the VST is removed
312        - VST: avoid opening Fantasia more than once for each VST instance
313        - VST: export main function as "main" on Linux too (fix for
314          energyXT)
315        - VST: changed number of output channels from one stereo to 16
316          stereo
317        - added channel routing, fxsends and midi maps to the settings
318          stored in the plugin state
319        - performance optimization of AudioChannel::MixTo() and
320          AudioChannel::CopyTo() methods using GCC vector exensions
321          (if available)
322        - ASIO fixes: avoid initializing the device twice, avoid throwing
323          exception when getting parameters from a disconnected device
324    
325      * MIDI driver:
326        - added JACK MIDI driver
327        - dispatch bank select as ordinary CC as well, the user might seriously
328          want to (mis)use it for some purpose ("fixed" in all current MIDI
329          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
330        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
331          CoreMidi or AU
332        - fixed mingw-w64 compilation error in MME driver
333        - made program change handling in MIDI thread real-time safe by
334          moving the logic to a non-RT thread
335        - fixed minor memory leak in ALSA driver
336    
337      * instruments database:
338        - avoid time consuming samples scanning when adding instruments
339          to the instruments database
340        - added support for handling lost files in the instruments database
341        - Implemented option for adding instruments in separate directories
342          in the instruments database
343          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
344        - work-around for missing fnmatch function on Windows to make
345          instrument database compilable
346        - added instrument database support on Windows
347          works with both standalone mode and VST plugin.
348          the instruments DB file is located in
349          %USERPROFILE%\.linuxsampler\instruments.db which allows different
350          databases for each windows user
351          if no DB is present it automatically creates the .linuxsampler subdir
352          and then creates an empty DB
353        - fixed recursive import, which was broken on Windows
354    
355      * Gigasampler format engine:
356        - fixed a memory leak that could happen when a channel was deleted
357          while notes were playing
358        - made it possible to load an instrument even if the audio thread
359          isn't running
360        - added partial support for the "Controller Triggered" MIDI rule,
361          enough for piano gigs with pedal noise samples
362        - minor fix: only mark FX sends as being modified if really the
363          respective FX send MIDI controller was used
364        - added support for GM global device volume SysEx message
365          (can be selected at compile time to either apply globally to the
366          whole sampler [default] or only to the sampler channels that are
367          connected to the respective MIDI input port the SysEx message arrived
368          on)
369        - bugfix: notes triggered at position 0 in the audio buffer were
370          sometimes wrongly killed in the same buffer, causing no sound to
371          be played
372        - added support for chromatic / drumkit mode Roland GS Sysex message
373          which is usally used to switch a part between chromatic sounds and
374          drumkit sounds (as opposed to their common default setting of MIDI
375          part 10 being a drumkit part and all other ones chromatic parts), in
376          LS however one can switch between the first 16 MIDI instrument maps
377          defined for the sampler
378        - made it possible to create multiple sample channels even if the
379          audio thread isn't running
380        - fixed crash when removing channel with active voices (#116)
381        - bugfix: on sample reference changes (instrument editor), only
382          un-cache the respective sample if it's really not used by any
383          sampler engine anymore
384        - re-cache samples in case they were changed by an instrument editor,
385          e.g. when a sample was added while playing (#82)
386        - fixed hanging notes which occured when note-off event had the exact
387          same time stamp as the voice's note-on event and occured both in the
388          same audio fragment cycle (fixes bug #112)
389        - added support for the "fine tune" and "pitch bend range"
390          instrument-level gig parameters
391        - fixed minor artifacts in pitch bend handling
392        - added support for GS Reset SysEx message
393        - allow gig files to use unlimited downward pitch shifting
394        - added a limit check for upward pitch shifting
395        - bugfix: sometimes, when playing a note twice fast, the second
396          note was silent
397        - fixed crash happening when a pitch bend event arrived at the
398          same time a new instrument was loading
399    
400      * LSCP server:
401        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
402          react on MIDI data arriving on certain sampler channels (so far only
403          Note-On and Note-Off events are sent via this LSCP event)
404        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
405          react on MIDI data arriving on certain MIDI input devices (so far only
406          Note-On and Note-Off events are sent via this LSCP event)
407        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
408          SET DB_INSTRUMENT FILE_PATH
409        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
410          frontends to send MIDI messages to specific sampler channel
411        - added two additional fields to GET FILE INSTRUMENT INFO command -
412          KEY_BINDINGS and KEYSWITCH_BINDINGS
413        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
414          was incorrect
415        - Optimized the retrieval of the MIDI instrument mappings
416        - added new LSCP command "SET VOICES" to globally alter the maximum
417          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
418          be triggered respectively
419        - added new LSCP command "SET STREAMS" to globally alter the maximum
420          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
421          which will be triggered respectively
422        - bugfix: retry if "select" returns EINTR (this fixes a crash when
423          a gigedit file dialog is opened)
424        - close all connections when LSCPServer is deleted
425        - hard close of all sockets on exit
426        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
427          driver
428    
429      * Bug fixes:
430        - fixed a crash which occurs when removing a sampler channel waiting
431          to start instrument loading after another channel
432        - fixed a crash which occurs when removing a sampler channel with
433          instrument loading in progress (bug #113)
434        - fixed termination caused by uncaught exception when adding MIDI
435          instrument with PERSISTENT load mode
436        - fixed possible iterator invalidations when resetting the sampler
437        - fixed memory leaks when issuing the following LSCP commands:
438          GET AUDIO_OUTPUT_DRIVER INFO
439          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
440          GET MIDI_INPUT_DRIVER INFO
441          GET MIDI_INPUT_DRIVER_PARAMETER INFO
442        - fixed possible compilation error when sqlite is not present
443        - fixed orphaned pointers when setting maximum voices limit (bug #118)
444        - fixed crash when changing the audio output device of a sampler
445          channel with loaded instrument and start playing notes
446        - fixed endless loop in Engine::SuspendAll() (bug #120)
447        - fixed a low-level atomic load function that was broken on 64-bit
448          PowerPC, which probably could cause crashes on that platform
449        - fixed a memory management error which could cause a crash when a
450          plugin was unloaded
451        - bugfix: two private structs had the same name, which could cause
452          problems if the linker chose the wrong constructor
453        - fixed low-level ConditionServer usage bug that caused lockups on
454          Windows
455    
456    
457    Version 0.5.1 (6 December 2007)
458    
459      * packaging changes:
460        - added autoconf checks for pthread library
461        - added autoconf check for pthread bug found on certain NPTL-enabled
462          glibc versions (see Gentoo bug report #194076)
463        - added autoconf checks for MS Windows
464    
465      * general changes:
466        - bugfix: the thread used by an editor plugin didn't die when the
467          editor closed
468        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
469          out all the space. operator--() did not apply size_mask after
470          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
471          order to avoid problems with the _NonVolatileReader functions.
472        - bugfix: Stream.h: added a missing divide by BytesPerSample in
473          GetWriteSpace(). Since this function is currently only used in
474          the stream's qsort() compare function, it didn't trigger any
475          bugs.
476        - Resampler.h, Synthesizer.h: cubic interpolation now works in
477          24bit mode too. Faster method to read 24bit words on little
478          endian machines (x86): replaced 3 byte reads + shifts with a 1
479          unaligned 32bit read and shift
480        - experimental support for MS Windows (MIDI input via MME, AUDIO
481          output via ASIO)
482        - made handling of SIGINT signal (Ctrl-C) a bit more robust
483        - support for monitoring the total number of active disk streams
484          (new LSCP commands: GET TOTAL_STREAM_COUNT,
485          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
486    
487      * AUDIO driver:
488        - added Windows ASIO low latency audio driver
489    
490      * MIDI driver:
491        - added MME Windows MIDI driver
492    
493      * LSCP server:
494        - added support for Windows style path / filenames, however with
495          forward slash path separators instead of backslash
496          (i.e. "C:/foo/bar.gig")
497        - allow naughty liblscp to send non-string device parameters within
498          apostrophes as well
499        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
500          "LIST FILE INSTRUMENTS <file>" and
501          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
502          about an arbitrary instrument file on the system where the sampler is
503          running on
504    
505    Version 0.5.0 (15 October 2007)
506    
507      * packaging changes:
508        - config.h is not going to be installed along with liblinuxsampler's
509          API header files anymore
510        - only the API relevant header (and source) files will be exported to
511          the Doxygen API documentation (explicitly listed in Doxyfile.in)
512        - added completely new XCode project files for Mac OSX which is now
513          capable to execute our autoconf environment, thus no need anymore
514          to maintain the compile time configuration file (osx/version.h) for
515          OSX manually (patch by Toshi Nagata)
516        - fixed buggy boolean --enable-foo / --disable-foo configure script
517          parameters
518        - global.h now only covers global definitions that are needed for the
519          C++ API header files, all implementation internal global definitions
520          are now in global_private.h
521        - atomic.h is not exposed to the C++ API anymore
522        - no need to include config.h anymore for using LS's API header files
523        - fixed warnings in API doc generation
524    
525      * general changes:
526        - replaced the old, confusing MIDI program change mechanism by a
527          flexible MIDI instrument mapper which allows to map arbitrary
528          (MIDI bank, MIDI program) pairs with arbitrary
529          (engine type, instrument file, file index) triplets which will be
530          loaded on the respective channel when such MIDI program change
531          messages arrive, beside that, each entry allows to define a life-time
532          strategy for the instrument, so the user can define whether the
533          instrument should i.e. be permanently loaded (to be able to switch
534          quickly among sounds) or i.e. loaded just on demand when the
535          respective program change arrives (to safe RAM space), as well as a
536          global volume factor for each entry, so the user can adjust the volume
537          dynamic of his mapped instrument collection without having to modify
538          the instrument files, also one can manage arbitrary amount of such
539          MIDI instrument maps and assign each sampler channel individually
540          a certain map, so that i.e. separation of normal instruments and
541          drumkits is possible
542        - new notification events for tracking changes to audio/MIDI devices,
543          MIDI instrument maps, MIDI instruments, FX sends, global volume.
544        - sampler was limited to load max. 200 instruments in the background
545          due to a constant size RingBuffer FIFO which is now replaced by a
546          dynamic (unlimited) size std::list FIFO
547        - added FX sends, these allow to route audio signals to arbitrary audio
548          output channels for being processed by external effect processors
549          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
550          controllers
551        - global (sampler wide) volume can now be controlled at runtime
552        - Implemented new, improved notification system
553        - fixed compilation errors regarding OSX
554          (patch by Toshi Nagata)
555        - implemented instruments database
556        - added support for escape sequences to the instruments database
557        - added highly experimental support for on-the-fly instrument editing
558          within the sampler's process (by using instrument editor plugins),
559          you'll notice the new "Registered instrument editors:" message on
560          startup, added a new LSCP command:
561          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
562          to spawn a matching instrument editor for the instrument on the
563          given sampler channel, the plugin path can be overridden at compile
564          time with ./configure --enable-plugin-dir=/some/dir
565        - added experimental code for synchronizing instrument editors hosted
566          in the sampler's process to safely edit instruments while playing
567          without a crash (hopefully) by either suspending single regions
568          wherever possible or if unavoidable whole engine(s)
569        - fixed several issues in fundamental "Thread" class: set scheduling
570          policy and priority on thread level, set a minimum stack size for
571          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
572          threads simply inherited properties of starting thread instead of
573          setting their own policy and priority
574        - minor fix in our automatic stack trace mechanism on crashes, the
575          main process did not wait for the stack trace process to finish
576          its output
577        - fixed some minor memory leaks
578        - reenabled assembly features support, at the moment only for
579          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
580        - minor assembly fix in x86 features detection (don't use the PIC
581          register, to avoid relocations in the text segment at runtime)
582        - POSIX callback functions of Thread.h are hidden
583    
584      * MIDI driver:
585        - dispatch bank select (MSB and LSB) messages
586    
587      * audio driver:
588        - the ALSA audio output driver parameters now reflect the correct
589          parameter value ranges for the respective selected sound card
590          (patch by Till Wimmer, a bit fixed and extended)
591    
592      * Gigasampler format engine:
593        - if a filter is used and EG2 finishes before EG1, let the voice
594          die when EG2 has finished (this fixes a problem with clicks and
595          voice starvation for some gigs)
596        - playback is no longer disabled during instrument loading
597        - all notes playing on a channel that changes its instrument keep
598          playing with the old instrument until they get a note off
599          command
600        - EG fix: a release value of zero could cause noises or crash
601        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
602        - EG fine tuning: when attack is zero the EG starts at a level
603          above max sustain level, which means that there is a decay phase
604          even if sustain is 100%
605        - more EG fixes: the level could sometimes go below zero and cause
606          noises or crashes
607        - minor fix of EGDecay (patch by Toshi Nagata)
608        - fixed compiler error when --enable-override-filter-type was
609          supplied to the configure script (fixes #46)
610        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
611          instead of a fix value
612        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
613          127 (solo mode) only kill voices if the respective mode really
614          changed
615    
616      * LSCP server:
617        - fixed compile time error for old Bison versions
618          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
619        - parser now supports extended ASCII character set
620          (up to ASCII code 255, i.e. includes now umlauts and accents)
621        - filename arguments in LSCP commands now allow to use escape
622          sequences, that is directly literal as one of: \', \", \\, \n, \r,
623          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
624          code value like \xf2) (fixes bug #24)
625        - the following LSCP commands now also support escape sequences for at
626          least one of their text-based parameters (i.e. name, description):
627          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
628          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
629          "SET DB_INSTRUMENT_DIRECTORY NAME",
630          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
631          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
632          "FIND DB_INSTRUMENT_DIRECTORIES"
633        - returns verbose syntax errors (line and column where syntax error
634          occured, the unexpected character and the actually expected, possible
635          character(s), the latter only if less than 5 possibilities)
636        - made sure that LSCP syntax is not affected by gigedit locale
637          settings
638        - bugfix regarding strings parameter lists: all comma separated lists
639          of strings were treated as being one string containing commas
640          (fixes #57)
641    
642      * Bug fixes:
643        - fixed crash occurring on certain LSCP scripts (Bug 39)
644        - another thread safety fix for lscp "load engine" and "set
645          channel audio output device"
646        - fixed a crash which occurs when reassigning the same engine
647          on a sampler channel with connected MIDI device
648        - fixed a crash which occurs when changing the number of ports of a MIDI
649          device connected to a sampler channel to number less then or equal
650          to the index of the port to which the sampler channel is connected.
651        - The previous bindings were not been disconnected when altering
652          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
653          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
654        - The active stream/voice count statistic was incorrect.
655        - notification events were not been sent for some sampler
656          channel changes
657        - added default min and max values to restrict the number of allowed
658          audio output channels and MIDI input ports
659        - the connection to the PCM interface is now closed when destroying
660          an audio output device
661        - files with slash in their path or filename could not be loaded
662    
663      * test cases:
664        - updated and fixed (haven't been touched in a while)
665    
666    Version 0.4.0 (24 November 2006)
667    
668      * packaging changes:
669        - changed deprecated copyright attribute to license; added ldconfig
670          to post-(un)install steps; added devel package for liblinuxsampler;
671          to linuxsampler.spec (RPM)
672        - install necessary development header files for allowing 3rd party
673          applications to link against liblinuxsampler
674        - liblinuxsampler's API documentation can be generated with 'make docs'
675          (Doxygen required)
676        - added benchmark to automatically detect the best triangle LFO
677          implementation (currently either an integer math solution or a
678          di-harmonic approximation), automatic detection can be overriden
679          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
680          configure script argument though (mandatory for cross-compilation)
681        - do not automatically pick optimized gcc flags if the user already
682          provided some on his own (as CXXFLAGS)
683        - added compile time option to disable processing of All-Notes-Off MIDI
684          messages
685        - added compile time options to allow disabling the various audio and
686          MIDI drivers
687        - fixed automatic GCC CPU switch detection on PPC
688          (patch by Ebrahim Mayat)
689    
690      * Gigasampler format engine:
691        - extensive synthesis optimization
692          (reimplementation of EGs and LFO(s), removed synthesis parameter
693          prerendering and the synthesis parameter matrix in general, splitting
694          each audio fragment into subfragments now where each subfragment uses
695          constant pitch and filter coefficients. The volume coefficient is
696          linearly interpolated inside a subfragment, unless
697          --disable-interpolate-volume is set.)
698        - fine tuning of the EG modulation parameters
699        - improved filter cutoff calculation by adding support for the
700          following gig parameters: Cutoff freq (used when no cutoff
701          controller is defined), Control invert, Minimum cutoff, Velocity
702          curve and Velocity range. The keyboard tracking now scales
703          cutoff frequency instead of resonance.
704        - added support for gig parameter Resonance.
705        - fixed bug in sysex handling (patch by Juan Linietsky)
706        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
707          which can be overridden with --enable-global-attenuation
708        - EG fixes: made the length of "attack hold" stage more
709          accurate. Release stage can now start before attack stage
710          ends. Cancel release didn't work when sustain was zero. Attack
711          time now has a minimal value to prevent clicks.
712        - fixed pitch changes larger than one octave
713        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
714        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
715          all modes can be altered via standard GM messages, that is CC5 for
716          altering portamento time, CC65 for enabling / disabling portamento
717          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
718        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
719          parameter) and crossfade
720        - added support for the "attenuation controller threshold" gig
721          parameter
722        - added smoothing of volume changes caused by control change
723          messages
724        - sample loop parameters are now taken from the DimensionRegion
725          instead of the wave chunk
726        - fixed keyswitching for v3 gigs with a number of keyswitch splits
727          not equal to a power of two
728        - reimplementation of the filter algorithm. The new filter is more
729          accurate and supports all gig filter types, including bandreject
730          and lowpass turbo.
731        - real support for 24 bit samples - samples are not truncated to
732          16 bits anymore
733        - support for aftertouch (channel pressure, not polyphonic
734          aftertouch)
735        - LFO1 behaviour fixed (dampening from max volume instead of
736          amplifying from 0)
737    
738      * LSCP server:
739        - fixed application exit on broken pipe error (fixes bug #20)
740        - fixed the notification messages delay due to lack of
741          network activity (fixes bug #26)
742        - fixed parser bug which occured on space(s) within device parameters
743          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
744    
745      * audio driver:
746        - added aRts audio output driver (by no means RT safe)
747    
748      * MIDI driver:
749        - fixed legacy sysex code which caused dispatching of MIDI SysEx
750          messages several times instead of once
751        - API extension for MIDI drivers which already supply exact time stamps
752          for events (i.e. for offline rendering based MIDI drivers)
753        - added checks for bad MIDI data
754    
755      * linuxsampler application:
756        - show available sampler engine types on startup
757    
758      * general changes:
759        - support for muting sampler channels and solo mode of the same, two new
760          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
761          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
762          introduced for this, the behavior is the same like on a mixer console
763          (patch by Grigor Iliev, a bit adjusted). Also added configure option
764          --enable-process-muted-channels which can be used to enable the
765          processing of muted channels.
766        - support for sostenuto pedal
767        - support for monitoring the total number of active voices
768          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
769          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
770        - fixed some memory management errors
771        - fixed some concurrency problems that could lead to crashes when
772          LSCP commands were executed
773        - fixed crash when instrument loading failed previously on the same
774          sampler channel (fixes bug #36)
775    
776    Version 0.3.3 (15 July 2005)
777    
778      * packaging changes:
779        - fixed compilation with gcc 4.0
780    
781      * Gigasampler format engine:
782        - LFO preprocessing was performed even though the respective LFO was
783          disabled by the instrument patch (minor efficiency fix)
784        - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
785          for volume ramp downs in the same fragment (needed for current voice
786          stealing implementation) then simply inform the user with a warning
787          about possible click sounds and reduce the volume ramp down
788          appropriately instead of cancelling the audio device connection
789    
790    Version 0.3.2 (24 June 2005)
791    
792    * packaging changes:    * packaging changes:
793      - updated autotools build files to compile on OS X      - updated autotools build files to compile on OS X
794        (conditional compilation of CoreMIDI and MidiShare drivers)        (conditional compilation of CoreMIDI and MidiShare drivers)
795      - hand-crafted assembly optimization code can be disabled with      - hand-crafted assembly optimization code can be disabled with
796        './configure --disable-asm' (definitely not recommended)        './configure --disable-asm' (definitely not recommended)
797        - fixed 'make dist' rule to include all necessary files
798        - require automake (>= 1.5) for 'make -f Makefile.cvs'
799          (due to 'dist-bzip2' automake option)
800    
801    * Gigasampler format engine:    * Gigasampler format engine:
802      - support for the gig parameters for "release velocity response" curves      - support for the gig parameters for "release velocity response" curves
# Line 12  Version CVS HEAD (?) Line 804  Version CVS HEAD (?)
804      - volume of release triggered samples now depends on note-on velocity,      - volume of release triggered samples now depends on note-on velocity,
805        note length and gig parameter "release trigger decay" instead of        note length and gig parameter "release trigger decay" instead of
806        note-off velocity.        note-off velocity.
807      - revised voice stealing (fixes crash caused by voice stealing)      - revised voice stealing
808              (fixes crash and endless loop caused by voice stealing)
809        - don't reset scale tuning on instrument or audio output device change
810        - handle key group conflicts right at the beginning of each fragment
811          instead of when the respective voice is actually launched
812          (fixes undefined behavior if stolen voices belonged to a key group -
813          this case was followed by a "killed voice survived" error message)
814        - fixed minor issue with null/silence samples
815          (those stole voices even though they don't need a voice at all which
816          resulted in "voice stealing didn't work out" messages)
817        - don't reset volume, pan, pitch and MIDI controller values on
818          instrument or audio output device change
819    
820    * LSCP server:    * LSCP server:
821      - fixed some crashes (patch by Grigor Iliev, fixes #19)        - fixed some crashes (patch by Grigor Iliev, fixes #19)
822        - fixed LSCP event "CHANNEL_INFO" notification
823          (e.g. did not notify on volume changes or MIDI program change events)
824    
825      * linuxsampler application:
826        - added command line parameters --lscp-addr and --lscp-port to override
827          default IP address and port of LSCP server
828    
829  Version 0.3.1 (24 May 2005)  Version 0.3.1 (24 May 2005)
830    

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