/[svn]/linuxsampler/trunk/ChangeLog
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revision 630 by persson, Sat Jun 11 14:51:49 2005 UTC revision 2248 by iliev, Fri Aug 19 15:51:18 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        - implemented opcode end
135        - implemented opcodes egN_amplitude_onccX,
136          egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
137          egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
138        - implemented opcodes xfin_lokey, xfin_hikey,
139          xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
140          xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
141          xfout_loccN, xfout_hiccN, xf_cccurve
142        - implemented opcodes pan_onccN, pan_smoothccN,
143          pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
144          egN_pan_curveccX, pitch_veltrack
145        - when failed to parse a sfz file
146          print the line number on which the error occurs
147        - use common pool of CC objects to minimize RAM usage
148        - implemented opcodes amplfo_delay_onccN,
149          amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
150          pitchlfo_delay_onccN, pitchlfo_fade_onccN
151    
152      * SoundFont format engine:
153        - Initial implementation (not usable yet)
154        - RT-safeness: avoid malloc in audio thread
155        - fixed a bug that could cause voice stealing to fail
156        - fine-tuned amplitude EG (by switching from gig to sfz EG)
157        - initial implementation of Vibrato LFO and Modulation LFO
158        - initial implementation of cutoff filter
159    
160      * Gigasampler format engine:
161        - bugfix: pitch LFO controller "internal+aftertouch" was broken
162        - bugfix: filter keyboard tracking was broken
163        - filter performance fix (an unnecessary copy was made of the
164          filter parameters in each sub fragment)
165    
166      * Host plugins:
167        - AU bugfix: failed to destroy its audio/MIDI devices
168        - Listen to all interfaces on Mac OS X (INADDR_ANY)
169        - VST bugfix: If the host called resume() before and after
170          changing sample rate or block size, the number of channels was
171          incorrectly set to two. This caused silence in Cubase 5.
172        - save engine type (gig, sfz or sf2) in plugin state
173        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
174          64 bit Windows
175        - AU: changed number of output channels from one stereo to 16
176          stereo
177        - VST: made it possible to build the VST plugin for Mac
178        - AU: link AU plugin dynamically if --disable-shared isn't
179          specified
180    
181      * MIDI driver:
182        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
183          the ALSA sequencer client name
184        - removed limit of maximum amount of MIDI ports per MIDI device, since
185          there is no reason for this limit
186    
187      * audio driver:
188        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
189    
190      * LSCP server:
191        - added support for sending MIDI CC messages via LSCP command
192          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
193        - added LSCP command "GET AVAILABLE_EFFECTS"
194        - added LSCP command "LIST AVAILABLE_EFFECTS"
195        - added LSCP command "GET EFFECT INFO <effect-index>"
196        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
197        - added LSCP command
198          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
199        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
200        - added LSCP command "GET EFFECT_INSTANCES"
201        - added LSCP command "LIST EFFECT_INSTANCES"
202        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
203        - added LSCP command
204          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
205        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
206          <effect-instance> <input-control> <value>"
207        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
208        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
209        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
210        - added LSCP command
211          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
212        - added LSCP command
213          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
214        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
215          <effect-chain> <effect-instance>"
216        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
217          <effect-chain> <effect-chain-pos> <effect-instance>"
218        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
219          <effect-chain> <chain-pos>"
220        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
221          <fx_send_id> <effect_chain> <chain_pos>"
222        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
223        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
224          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
225          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
226    
227      * Bug fixes:
228        - Fixed crash which may occur when MIDI key + transpose is out of range
229        - minor valgrind fixes
230        - fixed crash which occurred when changing an already deployed sampler
231          channel to a different engine type
232        - fixed crash when deleting a sampler channel or changing engine
233          type while an instrument load was in progress
234        - bugfix: playing a note while changing the instrument could cause
235          a crash, or give "Handing back unknown region" error messages
236        - bugfix: calling SET VOICES (which Fantasia does on start and
237          refresh) could cause instruments to be unloaded
238        - Mac OS X: fixed name collision of enum in EffectControl and
239          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
240        - Mac OS X: fixed hanging threads
241        - Windows: disabled the previous thread fix on non-Mac systems, as
242          it caused hanging threads on Windows
243        - Fixed possible crashes due to corrupted MIDI/audio device list
244          after MIDI/audio device creation failure
245    
246    Version 1.0.0 (31 July 2009)
247    
248      * packaging changes:
249        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
250          causing e.g. the libgig test to fail when
251          "./configure --disable-jack-driver" was used
252          (patch by Alexis Ballier)
253        - fixed compilation with gcc 4.3
254        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
255        - fixed configure so it detects x86_64 (#107)
256        - fixes for building with newer MinGW versions
257        - fix for building with bison 2.4 (#111)
258        - fixed building with libgig installed in a non-standard directory
259        - minor fix in configure for mmsystem.h detection on MinGW
260        - Windows: look for editor plugins and Fantasia using base
261          directory of liblinuxsampler dll (look in the same directory and one
262          directory above)
263        - configure script fix: removed unconditional use of SSE
264        - fixed building with sqlite installed in a non-standard directory
265        - when cross-compiling, don't try to create instruments.db
266        - fix for new mingw-w64 version, which has usleep
267    
268      * general changes:
269        - bugfix: on some POSIX systems instrument editor plugins refused to
270          load as we used a non-portable Linux specific struct field
271          (fixes bug #70, patch by Ronald Baljeu)
272        - fixed endless loop which occured when loading an instrument editor
273          plugin DLL on Windows systems failed
274        - fixed memory leaks that occurred when liblinuxsampler was unloaded
275        - optimized the SynchronizedConfig class so it doesn't wait
276          unnecessarily long after an update
277        - added support for notifying instrument editors on note-on / note-off
278          events (e.g. to highlight the pressed keys on the virtual keyboard
279          of gigedit)
280        - added support for triggering notes by instrument editors (see above)
281        - be verbose on DLL load errors (on Linux)
282        - fixed di-harmonic triangle LFO implementation (this LFO implementation
283          is only used by very few systems, most pick the int math
284          implementation, which is usually faster)
285        - fixes for audio drivers with varying buffer sizes
286        - experimental support for running LinuxSampler as a DSSI, LV2 and
287          VST plugin
288        - notification events for stream/voice count statistics are now sent
289          only when there are actual changes
290        - added memory ordering constraints to improve stability on
291          multi-core and multi-cpu systems
292        - maximum voices and disk streams can now be altered at runtime
293        - fixed CPU feature detection on x86_64 (maybe fixes #108)
294        - automatic stacktrace mechanism is now turned off by default and can
295          be switched on by command line option "--stacktrace" (the automatic
296          stacktrace mechanism seems to be broken on most systems at the moment)
297        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
298          a pointer to the launched InstrumentEditor object
299        - added optional 3rd party user data parameter for following
300          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
301          InstrumentEditor::Launch(),
302          InstrumentManager::LaunchInstrumentEditor()
303        - theoretical fix: made SynchronizedConfig follow C++0x memory
304          model more strictly
305        - fixes for using large audio device buffers
306        - Windows: add the installation directory to the DLL search path
307          when loading an editor plugin (solves problems with VST and
308          gigedit on systems with other GTK versions installed)
309    
310      * audio driver:
311        - removed the nonsense audio channel constraint (which was hard coded to
312          max. 100 audio channels) for most audio drivers
313        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
314          opposed to the LSCP specs
315        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
316          reflected the wrong value
317        - fixed a memory management bug in ASIO driver
318        - Makefile fix: JACK_CFLAGS wasn't used
319        - JACK: use jack_client_open instead of the deprecated
320          jack_client_new
321        - added (experimental) CoreAudio driver
322        - applied old fixes to the ASIO driver that were included in the
323          previous binary release but accidentally never committed to CVS
324          (fixes #117)
325        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
326          win64)
327        - VST: added support for sample rate and buffer size changes
328        - VST: close editor (Fantasia) when the VST is removed
329        - VST: avoid opening Fantasia more than once for each VST instance
330        - VST: export main function as "main" on Linux too (fix for
331          energyXT)
332        - VST: changed number of output channels from one stereo to 16
333          stereo
334        - added channel routing, fxsends and midi maps to the settings
335          stored in the plugin state
336        - performance optimization of AudioChannel::MixTo() and
337          AudioChannel::CopyTo() methods using GCC vector exensions
338          (if available)
339        - ASIO fixes: avoid initializing the device twice, avoid throwing
340          exception when getting parameters from a disconnected device
341    
342      * MIDI driver:
343        - added JACK MIDI driver
344        - dispatch bank select as ordinary CC as well, the user might seriously
345          want to (mis)use it for some purpose ("fixed" in all current MIDI
346          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
347        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
348          CoreMidi or AU
349        - fixed mingw-w64 compilation error in MME driver
350        - made program change handling in MIDI thread real-time safe by
351          moving the logic to a non-RT thread
352        - fixed minor memory leak in ALSA driver
353    
354      * instruments database:
355        - avoid time consuming samples scanning when adding instruments
356          to the instruments database
357        - added support for handling lost files in the instruments database
358        - Implemented option for adding instruments in separate directories
359          in the instruments database
360          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
361        - work-around for missing fnmatch function on Windows to make
362          instrument database compilable
363        - added instrument database support on Windows
364          works with both standalone mode and VST plugin.
365          the instruments DB file is located in
366          %USERPROFILE%\.linuxsampler\instruments.db which allows different
367          databases for each windows user
368          if no DB is present it automatically creates the .linuxsampler subdir
369          and then creates an empty DB
370        - fixed recursive import, which was broken on Windows
371    
372      * Gigasampler format engine:
373        - fixed a memory leak that could happen when a channel was deleted
374          while notes were playing
375        - made it possible to load an instrument even if the audio thread
376          isn't running
377        - added partial support for the "Controller Triggered" MIDI rule,
378          enough for piano gigs with pedal noise samples
379        - minor fix: only mark FX sends as being modified if really the
380          respective FX send MIDI controller was used
381        - added support for GM global device volume SysEx message
382          (can be selected at compile time to either apply globally to the
383          whole sampler [default] or only to the sampler channels that are
384          connected to the respective MIDI input port the SysEx message arrived
385          on)
386        - bugfix: notes triggered at position 0 in the audio buffer were
387          sometimes wrongly killed in the same buffer, causing no sound to
388          be played
389        - added support for chromatic / drumkit mode Roland GS Sysex message
390          which is usally used to switch a part between chromatic sounds and
391          drumkit sounds (as opposed to their common default setting of MIDI
392          part 10 being a drumkit part and all other ones chromatic parts), in
393          LS however one can switch between the first 16 MIDI instrument maps
394          defined for the sampler
395        - made it possible to create multiple sample channels even if the
396          audio thread isn't running
397        - fixed crash when removing channel with active voices (#116)
398        - bugfix: on sample reference changes (instrument editor), only
399          un-cache the respective sample if it's really not used by any
400          sampler engine anymore
401        - re-cache samples in case they were changed by an instrument editor,
402          e.g. when a sample was added while playing (#82)
403        - fixed hanging notes which occured when note-off event had the exact
404          same time stamp as the voice's note-on event and occured both in the
405          same audio fragment cycle (fixes bug #112)
406        - added support for the "fine tune" and "pitch bend range"
407          instrument-level gig parameters
408        - fixed minor artifacts in pitch bend handling
409        - added support for GS Reset SysEx message
410        - allow gig files to use unlimited downward pitch shifting
411        - added a limit check for upward pitch shifting
412        - bugfix: sometimes, when playing a note twice fast, the second
413          note was silent
414        - fixed crash happening when a pitch bend event arrived at the
415          same time a new instrument was loading
416    
417      * LSCP server:
418        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
419          react on MIDI data arriving on certain sampler channels (so far only
420          Note-On and Note-Off events are sent via this LSCP event)
421        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
422          react on MIDI data arriving on certain MIDI input devices (so far only
423          Note-On and Note-Off events are sent via this LSCP event)
424        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
425          SET DB_INSTRUMENT FILE_PATH
426        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
427          frontends to send MIDI messages to specific sampler channel
428        - added two additional fields to GET FILE INSTRUMENT INFO command -
429          KEY_BINDINGS and KEYSWITCH_BINDINGS
430        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
431          was incorrect
432        - Optimized the retrieval of the MIDI instrument mappings
433        - added new LSCP command "SET VOICES" to globally alter the maximum
434          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
435          be triggered respectively
436        - added new LSCP command "SET STREAMS" to globally alter the maximum
437          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
438          which will be triggered respectively
439        - bugfix: retry if "select" returns EINTR (this fixes a crash when
440          a gigedit file dialog is opened)
441        - close all connections when LSCPServer is deleted
442        - hard close of all sockets on exit
443        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
444          driver
445    
446      * Bug fixes:
447        - fixed a crash which occurs when removing a sampler channel waiting
448          to start instrument loading after another channel
449        - fixed a crash which occurs when removing a sampler channel with
450          instrument loading in progress (bug #113)
451        - fixed termination caused by uncaught exception when adding MIDI
452          instrument with PERSISTENT load mode
453        - fixed possible iterator invalidations when resetting the sampler
454        - fixed memory leaks when issuing the following LSCP commands:
455          GET AUDIO_OUTPUT_DRIVER INFO
456          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
457          GET MIDI_INPUT_DRIVER INFO
458          GET MIDI_INPUT_DRIVER_PARAMETER INFO
459        - fixed possible compilation error when sqlite is not present
460        - fixed orphaned pointers when setting maximum voices limit (bug #118)
461        - fixed crash when changing the audio output device of a sampler
462          channel with loaded instrument and start playing notes
463        - fixed endless loop in Engine::SuspendAll() (bug #120)
464        - fixed a low-level atomic load function that was broken on 64-bit
465          PowerPC, which probably could cause crashes on that platform
466        - fixed a memory management error which could cause a crash when a
467          plugin was unloaded
468        - bugfix: two private structs had the same name, which could cause
469          problems if the linker chose the wrong constructor
470        - fixed low-level ConditionServer usage bug that caused lockups on
471          Windows
472    
473    
474    Version 0.5.1 (6 December 2007)
475    
476      * packaging changes:
477        - added autoconf checks for pthread library
478        - added autoconf check for pthread bug found on certain NPTL-enabled
479          glibc versions (see Gentoo bug report #194076)
480        - added autoconf checks for MS Windows
481    
482      * general changes:
483        - bugfix: the thread used by an editor plugin didn't die when the
484          editor closed
485        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
486          out all the space. operator--() did not apply size_mask after
487          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
488          order to avoid problems with the _NonVolatileReader functions.
489        - bugfix: Stream.h: added a missing divide by BytesPerSample in
490          GetWriteSpace(). Since this function is currently only used in
491          the stream's qsort() compare function, it didn't trigger any
492          bugs.
493        - Resampler.h, Synthesizer.h: cubic interpolation now works in
494          24bit mode too. Faster method to read 24bit words on little
495          endian machines (x86): replaced 3 byte reads + shifts with a 1
496          unaligned 32bit read and shift
497        - experimental support for MS Windows (MIDI input via MME, AUDIO
498          output via ASIO)
499        - made handling of SIGINT signal (Ctrl-C) a bit more robust
500        - support for monitoring the total number of active disk streams
501          (new LSCP commands: GET TOTAL_STREAM_COUNT,
502          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
503    
504      * AUDIO driver:
505        - added Windows ASIO low latency audio driver
506    
507      * MIDI driver:
508        - added MME Windows MIDI driver
509    
510      * LSCP server:
511        - added support for Windows style path / filenames, however with
512          forward slash path separators instead of backslash
513          (i.e. "C:/foo/bar.gig")
514        - allow naughty liblscp to send non-string device parameters within
515          apostrophes as well
516        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
517          "LIST FILE INSTRUMENTS <file>" and
518          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
519          about an arbitrary instrument file on the system where the sampler is
520          running on
521    
522    Version 0.5.0 (15 October 2007)
523    
524      * packaging changes:
525        - config.h is not going to be installed along with liblinuxsampler's
526          API header files anymore
527        - only the API relevant header (and source) files will be exported to
528          the Doxygen API documentation (explicitly listed in Doxyfile.in)
529        - added completely new XCode project files for Mac OSX which is now
530          capable to execute our autoconf environment, thus no need anymore
531          to maintain the compile time configuration file (osx/version.h) for
532          OSX manually (patch by Toshi Nagata)
533        - fixed buggy boolean --enable-foo / --disable-foo configure script
534          parameters
535        - global.h now only covers global definitions that are needed for the
536          C++ API header files, all implementation internal global definitions
537          are now in global_private.h
538        - atomic.h is not exposed to the C++ API anymore
539        - no need to include config.h anymore for using LS's API header files
540        - fixed warnings in API doc generation
541    
542      * general changes:
543        - replaced the old, confusing MIDI program change mechanism by a
544          flexible MIDI instrument mapper which allows to map arbitrary
545          (MIDI bank, MIDI program) pairs with arbitrary
546          (engine type, instrument file, file index) triplets which will be
547          loaded on the respective channel when such MIDI program change
548          messages arrive, beside that, each entry allows to define a life-time
549          strategy for the instrument, so the user can define whether the
550          instrument should i.e. be permanently loaded (to be able to switch
551          quickly among sounds) or i.e. loaded just on demand when the
552          respective program change arrives (to safe RAM space), as well as a
553          global volume factor for each entry, so the user can adjust the volume
554          dynamic of his mapped instrument collection without having to modify
555          the instrument files, also one can manage arbitrary amount of such
556          MIDI instrument maps and assign each sampler channel individually
557          a certain map, so that i.e. separation of normal instruments and
558          drumkits is possible
559        - new notification events for tracking changes to audio/MIDI devices,
560          MIDI instrument maps, MIDI instruments, FX sends, global volume.
561        - sampler was limited to load max. 200 instruments in the background
562          due to a constant size RingBuffer FIFO which is now replaced by a
563          dynamic (unlimited) size std::list FIFO
564        - added FX sends, these allow to route audio signals to arbitrary audio
565          output channels for being processed by external effect processors
566          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
567          controllers
568        - global (sampler wide) volume can now be controlled at runtime
569        - Implemented new, improved notification system
570        - fixed compilation errors regarding OSX
571          (patch by Toshi Nagata)
572        - implemented instruments database
573        - added support for escape sequences to the instruments database
574        - added highly experimental support for on-the-fly instrument editing
575          within the sampler's process (by using instrument editor plugins),
576          you'll notice the new "Registered instrument editors:" message on
577          startup, added a new LSCP command:
578          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
579          to spawn a matching instrument editor for the instrument on the
580          given sampler channel, the plugin path can be overridden at compile
581          time with ./configure --enable-plugin-dir=/some/dir
582        - added experimental code for synchronizing instrument editors hosted
583          in the sampler's process to safely edit instruments while playing
584          without a crash (hopefully) by either suspending single regions
585          wherever possible or if unavoidable whole engine(s)
586        - fixed several issues in fundamental "Thread" class: set scheduling
587          policy and priority on thread level, set a minimum stack size for
588          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
589          threads simply inherited properties of starting thread instead of
590          setting their own policy and priority
591        - minor fix in our automatic stack trace mechanism on crashes, the
592          main process did not wait for the stack trace process to finish
593          its output
594        - fixed some minor memory leaks
595        - reenabled assembly features support, at the moment only for
596          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
597        - minor assembly fix in x86 features detection (don't use the PIC
598          register, to avoid relocations in the text segment at runtime)
599        - POSIX callback functions of Thread.h are hidden
600    
601      * MIDI driver:
602        - dispatch bank select (MSB and LSB) messages
603    
604      * audio driver:
605        - the ALSA audio output driver parameters now reflect the correct
606          parameter value ranges for the respective selected sound card
607          (patch by Till Wimmer, a bit fixed and extended)
608    
609      * Gigasampler format engine:
610        - if a filter is used and EG2 finishes before EG1, let the voice
611          die when EG2 has finished (this fixes a problem with clicks and
612          voice starvation for some gigs)
613        - playback is no longer disabled during instrument loading
614        - all notes playing on a channel that changes its instrument keep
615          playing with the old instrument until they get a note off
616          command
617        - EG fix: a release value of zero could cause noises or crash
618        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
619        - EG fine tuning: when attack is zero the EG starts at a level
620          above max sustain level, which means that there is a decay phase
621          even if sustain is 100%
622        - more EG fixes: the level could sometimes go below zero and cause
623          noises or crashes
624        - minor fix of EGDecay (patch by Toshi Nagata)
625        - fixed compiler error when --enable-override-filter-type was
626          supplied to the configure script (fixes #46)
627        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
628          instead of a fix value
629        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
630          127 (solo mode) only kill voices if the respective mode really
631          changed
632    
633      * LSCP server:
634        - fixed compile time error for old Bison versions
635          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
636        - parser now supports extended ASCII character set
637          (up to ASCII code 255, i.e. includes now umlauts and accents)
638        - filename arguments in LSCP commands now allow to use escape
639          sequences, that is directly literal as one of: \', \", \\, \n, \r,
640          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
641          code value like \xf2) (fixes bug #24)
642        - the following LSCP commands now also support escape sequences for at
643          least one of their text-based parameters (i.e. name, description):
644          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
645          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
646          "SET DB_INSTRUMENT_DIRECTORY NAME",
647          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
648          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
649          "FIND DB_INSTRUMENT_DIRECTORIES"
650        - returns verbose syntax errors (line and column where syntax error
651          occured, the unexpected character and the actually expected, possible
652          character(s), the latter only if less than 5 possibilities)
653        - made sure that LSCP syntax is not affected by gigedit locale
654          settings
655        - bugfix regarding strings parameter lists: all comma separated lists
656          of strings were treated as being one string containing commas
657          (fixes #57)
658    
659      * Bug fixes:
660        - fixed crash occurring on certain LSCP scripts (Bug 39)
661        - another thread safety fix for lscp "load engine" and "set
662          channel audio output device"
663        - fixed a crash which occurs when reassigning the same engine
664          on a sampler channel with connected MIDI device
665        - fixed a crash which occurs when changing the number of ports of a MIDI
666          device connected to a sampler channel to number less then or equal
667          to the index of the port to which the sampler channel is connected.
668        - The previous bindings were not been disconnected when altering
669          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
670          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
671        - The active stream/voice count statistic was incorrect.
672        - notification events were not been sent for some sampler
673          channel changes
674        - added default min and max values to restrict the number of allowed
675          audio output channels and MIDI input ports
676        - the connection to the PCM interface is now closed when destroying
677          an audio output device
678        - files with slash in their path or filename could not be loaded
679    
680      * test cases:
681        - updated and fixed (haven't been touched in a while)
682    
683    Version 0.4.0 (24 November 2006)
684    
685      * packaging changes:
686        - changed deprecated copyright attribute to license; added ldconfig
687          to post-(un)install steps; added devel package for liblinuxsampler;
688          to linuxsampler.spec (RPM)
689        - install necessary development header files for allowing 3rd party
690          applications to link against liblinuxsampler
691        - liblinuxsampler's API documentation can be generated with 'make docs'
692          (Doxygen required)
693        - added benchmark to automatically detect the best triangle LFO
694          implementation (currently either an integer math solution or a
695          di-harmonic approximation), automatic detection can be overriden
696          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
697          configure script argument though (mandatory for cross-compilation)
698        - do not automatically pick optimized gcc flags if the user already
699          provided some on his own (as CXXFLAGS)
700        - added compile time option to disable processing of All-Notes-Off MIDI
701          messages
702        - added compile time options to allow disabling the various audio and
703          MIDI drivers
704        - fixed automatic GCC CPU switch detection on PPC
705          (patch by Ebrahim Mayat)
706    
707      * Gigasampler format engine:
708        - extensive synthesis optimization
709          (reimplementation of EGs and LFO(s), removed synthesis parameter
710          prerendering and the synthesis parameter matrix in general, splitting
711          each audio fragment into subfragments now where each subfragment uses
712          constant pitch and filter coefficients. The volume coefficient is
713          linearly interpolated inside a subfragment, unless
714          --disable-interpolate-volume is set.)
715        - fine tuning of the EG modulation parameters
716        - improved filter cutoff calculation by adding support for the
717          following gig parameters: Cutoff freq (used when no cutoff
718          controller is defined), Control invert, Minimum cutoff, Velocity
719          curve and Velocity range. The keyboard tracking now scales
720          cutoff frequency instead of resonance.
721        - added support for gig parameter Resonance.
722        - fixed bug in sysex handling (patch by Juan Linietsky)
723        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
724          which can be overridden with --enable-global-attenuation
725        - EG fixes: made the length of "attack hold" stage more
726          accurate. Release stage can now start before attack stage
727          ends. Cancel release didn't work when sustain was zero. Attack
728          time now has a minimal value to prevent clicks.
729        - fixed pitch changes larger than one octave
730        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
731        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
732          all modes can be altered via standard GM messages, that is CC5 for
733          altering portamento time, CC65 for enabling / disabling portamento
734          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
735        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
736          parameter) and crossfade
737        - added support for the "attenuation controller threshold" gig
738          parameter
739        - added smoothing of volume changes caused by control change
740          messages
741        - sample loop parameters are now taken from the DimensionRegion
742          instead of the wave chunk
743        - fixed keyswitching for v3 gigs with a number of keyswitch splits
744          not equal to a power of two
745        - reimplementation of the filter algorithm. The new filter is more
746          accurate and supports all gig filter types, including bandreject
747          and lowpass turbo.
748        - real support for 24 bit samples - samples are not truncated to
749          16 bits anymore
750        - support for aftertouch (channel pressure, not polyphonic
751          aftertouch)
752        - LFO1 behaviour fixed (dampening from max volume instead of
753          amplifying from 0)
754    
755      * LSCP server:
756        - fixed application exit on broken pipe error (fixes bug #20)
757        - fixed the notification messages delay due to lack of
758          network activity (fixes bug #26)
759        - fixed parser bug which occured on space(s) within device parameters
760          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
761    
762      * audio driver:
763        - added aRts audio output driver (by no means RT safe)
764    
765      * MIDI driver:
766        - fixed legacy sysex code which caused dispatching of MIDI SysEx
767          messages several times instead of once
768        - API extension for MIDI drivers which already supply exact time stamps
769          for events (i.e. for offline rendering based MIDI drivers)
770        - added checks for bad MIDI data
771    
772      * linuxsampler application:
773        - show available sampler engine types on startup
774    
775      * general changes:
776        - support for muting sampler channels and solo mode of the same, two new
777          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
778          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
779          introduced for this, the behavior is the same like on a mixer console
780          (patch by Grigor Iliev, a bit adjusted). Also added configure option
781          --enable-process-muted-channels which can be used to enable the
782          processing of muted channels.
783        - support for sostenuto pedal
784        - support for monitoring the total number of active voices
785          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
786          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
787        - fixed some memory management errors
788        - fixed some concurrency problems that could lead to crashes when
789          LSCP commands were executed
790        - fixed crash when instrument loading failed previously on the same
791          sampler channel (fixes bug #36)
792    
793    Version 0.3.3 (15 July 2005)
794    
795      * packaging changes:
796        - fixed compilation with gcc 4.0
797    
798      * Gigasampler format engine:
799        - LFO preprocessing was performed even though the respective LFO was
800          disabled by the instrument patch (minor efficiency fix)
801        - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
802          for volume ramp downs in the same fragment (needed for current voice
803          stealing implementation) then simply inform the user with a warning
804          about possible click sounds and reduce the volume ramp down
805          appropriately instead of cancelling the audio device connection
806    
807    Version 0.3.2 (24 June 2005)
808    
809    * packaging changes:    * packaging changes:
810      - updated autotools build files to compile on OS X      - updated autotools build files to compile on OS X
811        (conditional compilation of CoreMIDI and MidiShare drivers)        (conditional compilation of CoreMIDI and MidiShare drivers)
812      - hand-crafted assembly optimization code can be disabled with      - hand-crafted assembly optimization code can be disabled with
813        './configure --disable-asm' (definitely not recommended)        './configure --disable-asm' (definitely not recommended)
814    * support for the gig parameters for "release velocity response"      - fixed 'make dist' rule to include all necessary files
815      curves      - require automake (>= 1.5) for 'make -f Makefile.cvs'
816    * fine tuning of the EGADSR envelope        (due to 'dist-bzip2' automake option)
817    
818      * Gigasampler format engine:
819        - support for the gig parameters for "release velocity response" curves
820        - fine tuning of the EGADSR envelope
821        - volume of release triggered samples now depends on note-on velocity,
822          note length and gig parameter "release trigger decay" instead of
823          note-off velocity.
824        - revised voice stealing
825          (fixes crash and endless loop caused by voice stealing)
826        - don't reset scale tuning on instrument or audio output device change
827        - handle key group conflicts right at the beginning of each fragment
828          instead of when the respective voice is actually launched
829          (fixes undefined behavior if stolen voices belonged to a key group -
830          this case was followed by a "killed voice survived" error message)
831        - fixed minor issue with null/silence samples
832          (those stole voices even though they don't need a voice at all which
833          resulted in "voice stealing didn't work out" messages)
834        - don't reset volume, pan, pitch and MIDI controller values on
835          instrument or audio output device change
836    
837    * LSCP server:    * LSCP server:
838      - fixed some crashes (patch by Grigor Iliev, fixes #19)      - fixed some crashes (patch by Grigor Iliev, fixes #19)
839    * volume of release triggered samples now depends on note-on      - fixed LSCP event "CHANNEL_INFO" notification
840      velocity, note length and gig parameter "release trigger decay"        (e.g. did not notify on volume changes or MIDI program change events)
841      instead of note-off velocity.  
842      * linuxsampler application:
843        - added command line parameters --lscp-addr and --lscp-port to override
844          default IP address and port of LSCP server
845    
846  Version 0.3.1 (24 May 2005)  Version 0.3.1 (24 May 2005)
847    

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