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revision 630 by persson, Sat Jun 11 14:51:49 2005 UTC revision 1923 by persson, Sat Jun 27 16:55:41 2009 UTC
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1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * packaging changes:    * packaging changes:
4        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
5          causing e.g. the libgig test to fail when
6          "./configure --disable-jack-driver" was used
7          (patch by Alexis Ballier)
8        - fixed compilation with gcc 4.3
9        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
10        - fixed configure so it detects x86_64 (#107)
11        - fixes for building with newer MinGW versions
12        - fix for building with bison 2.4 (#111)
13        - fixed building with libgig installed in a non-standard directory
14        - minor fix in configure for mmsystem.h detection on MinGW
15        - Windows: look for editor plugins and Fantasia using base
16          directory of liblinuxsampler dll
17        - configure script fix: removed unconditional use of SSE
18        - fixed building with sqlite installed in a non-standard directory
19    
20      * general changes:
21        - bugfix: on some POSIX systems instrument editor plugins refused to
22          load as we used a non-portable Linux specific struct field
23          (fixes bug #70, patch by Ronald Baljeu)
24        - fixed endless loop which occured when loading an instrument editor
25          plugin DLL on Windows systems failed
26        - fixed memory leaks that occurred when liblinuxsampler was unloaded
27        - optimized the SynchronizedConfig class so it doesn't wait
28          unnecessarily long after an update
29        - added support for notifying instrument editors on note-on / note-off
30          events (e.g. to highlight the pressed keys on the virtual keyboard
31          of gigedit)
32        - added support for triggering notes by instrument editors (see above)
33        - be verbose on DLL load errors (on Linux)
34        - fixed di-harmonic triangle LFO implementation (this LFO implementation
35          is only used by very few systems, most pick the int math
36          implementation, which is usually faster)
37        - fixes for audio drivers with varying buffer sizes
38        - experimental support for running LinuxSampler as a DSSI, LV2 and
39          VST plugin
40        - notification events for stream/voice count statistics are now sent
41          only when there are actual changes
42        - added memory ordering constraints to improve stability on
43          multi-core and multi-cpu systems
44        - maximum voices and disk streams can now be altered at runtime
45        - fixed CPU feature detection on x86_64 (maybe fixes #108)
46        - automatic stacktrace mechanism is now turned off by default and can
47          be switched on by command line option "--stacktrace" (the automatic
48          stacktrace mechanism seems to be broken on most systems at the moment)
49        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
50          a pointer to the launched InstrumentEditor object
51        - added optional 3rd party user data parameter for following
52          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
53          InstrumentEditor::Launch(),
54          InstrumentManager::LaunchInstrumentEditor()
55        - theoretical fix: made SynchronizedConfig follow C++0x memory
56          model more strictly
57        - fixes for using large audio device buffers
58    
59      * audio driver:
60        - removed the nonsense audio channel constraint (which was hard coded to
61          max. 100 audio channels) for most audio drivers
62        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
63          opposed to the LSCP specs
64        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
65          reflected the wrong value
66        - fixed a memory management bug in ASIO driver
67        - Makefile fix: JACK_CFLAGS wasn't used
68        - JACK: use jack_client_open instead of the deprecated
69          jack_client_new
70        - added (experimental) CoreAudio driver
71        - applied old fixes to the ASIO driver that were included in the
72          previous binary release but accidentally never committed to CVS
73          (fixes #117)
74        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
75          win64)
76        - VST: added support for sample rate and buffer size changes
77        - VST: close editor (Fantasia) when the VST is removed
78        - VST: avoid opening Fantasia more than once for each VST instance
79        - VST: export main function as "main" on Linux too (fix for
80          energyXT)
81        - VST: changed number of output channels from one stereo to 16
82          stereo
83        - added channel routing, fxsends and midi maps to the settings
84          stored in the plugin state
85    
86      * MIDI driver:
87        - added JACK MIDI driver
88        - dispatch bank select as ordinary CC as well, the user might seriously
89          want to (mis)use it for some purpose ("fixed" in all current MIDI
90          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
91        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
92          CoreMidi or AU
93        - fixed mingw-w64 compilation error in MME driver
94    
95      * instruments database:
96        - avoid time consuming samples scanning when adding instruments
97          to the instruments database
98        - added support for handling lost files in the instruments database
99        - Implemented option for adding instruments in separate directories
100          in the instruments database
101          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
102        - work-around for missing fnmatch function on Windows to make
103          instrument database compilable
104            - added instrument database support on Windows
105              works with both standalone mode and VST plugin.
106              the instruments DB file is located in
107              %USERPROFILE%\.linuxsampler\instruments.db which allows different
108              databases for each windows user
109              if no DB is present it automatically creates the .linuxsampler subdir
110              and then creates an empty DB
111    
112      * Gigasampler format engine:
113        - fixed a memory leak that could happen when a channel was deleted
114          while notes were playing
115        - made it possible to load an instrument even if the audio thread
116          isn't running
117        - added partial support for the "Controller Triggered" MIDI rule,
118          enough for piano gigs with pedal noise samples
119        - minor fix: only mark FX sends as being modified if really the
120          respective FX send MIDI controller was used
121        - added support for GM global device volume SysEx message
122          (can be selected at compile time to either apply globally to the
123          whole sampler [default] or only to the sampler channels that are
124          connected to the respective MIDI input port the SysEx message arrived
125          on)
126        - bugfix: notes triggered at position 0 in the audio buffer were
127          sometimes wrongly killed in the same buffer, causing no sound to
128          be played
129        - added support for chromatic / drumkit mode Roland GS Sysex message
130          which is usally used to switch a part between chromatic sounds and
131          drumkit sounds (as opposed to their common default setting of MIDI
132          part 10 being a drumkit part and all other ones chromatic parts), in
133          LS however one can switch between the first 16 MIDI instrument maps
134          defined for the sampler
135        - made it possible to create multiple sample channels even if the
136          audio thread isn't running
137        - fixed crash when removing channel with active voices (#116)
138        - bugfix: on sample reference changes (instrument editor), only
139          un-cache the respective sample if it's really not used by any
140          sampler engine anymore
141        - re-cache samples in case they were changed by an instrument editor,
142          e.g. when a sample was added while playing (#82)
143        - fixed hanging notes which occured when note-off event had the exact
144          same time stamp as the voice's note-on event and occured both in the
145          same audio fragment cycle (fixes bug #112)
146        - added support for the "fine tune" and "pitch bend range"
147          instrument-level gig parameters
148        - fixed minor artifacts in pitch bend handling
149        - added support for GS Reset SysEx message
150        - allow gig files to use unlimited downward pitch shifting
151        - added a limit check for upward pitch shifting
152        - bugfix: sometimes, when playing a note twice fast, the second
153          note was silent
154        - fixed crash happening when a pitch bend event arrived at the
155          same time a new instrument was loading
156    
157      * LSCP server:
158        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
159          react on MIDI data arriving on certain sampler channels (so far only
160          Note-On and Note-Off events are sent via this LSCP event)
161        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
162          react on MIDI data arriving on certain MIDI input devices (so far only
163          Note-On and Note-Off events are sent via this LSCP event)
164        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
165          SET DB_INSTRUMENT FILE_PATH
166        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
167          frontends to send MIDI messages to specific sampler channel
168        - added two additional fields to GET FILE INSTRUMENT INFO command -
169          KEY_BINDINGS and KEYSWITCH_BINDINGS
170        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
171          was incorrect
172        - Optimized the retrieval of the MIDI instrument mappings
173        - added new LSCP command "SET VOICES" to globally alter the maximum
174          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
175          be triggered respectively
176        - added new LSCP command "SET STREAMS" to globally alter the maximum
177          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
178          which will be triggered respectively
179        - bugfix: retry if "select" returns EINTR (this fixes a crash when
180          a gigedit file dialog is opened)
181        - close all connections when LSCPServer is deleted
182        - hard close of all sockets on exit
183        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
184          driver
185    
186      * Bug fixes:
187        - fixed a crash which occurs when removing a sampler channel waiting
188          to start instrument loading after another channel
189        - fixed a crash which occurs when removing a sampler channel with
190          instrument loading in progress (bug #113)
191        - fixed termination caused by uncaught exception when adding MIDI
192          instrument with PERSISTENT load mode
193        - fixed possible iterator invalidations when resetting the sampler
194        - fixed memory leaks when issuing the following LSCP commands:
195          GET AUDIO_OUTPUT_DRIVER INFO
196          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
197          GET MIDI_INPUT_DRIVER INFO
198          GET MIDI_INPUT_DRIVER_PARAMETER INFO
199        - fixed possible compilation error when sqlite is not present
200        - fixed orphaned pointers when setting maximum voices limit (bug #118)
201        - fixed crash when changing the audio output device of a sampler
202          channel with loaded instrument and start playing notes
203        - fixed endless loop in Engine::SuspendAll() (bug #120)
204        - fixed a low-level atomic load function that was broken on 64-bit
205          PowerPC, which probably could cause crashes on that platform
206        - fixed a memory management error which could cause a crash when a
207          plugin was unloaded
208        - bugfix: two private structs had the same name, which could cause
209          problems if the linker chose the wrong constructor
210    
211    
212    Version 0.5.1 (6 December 2007)
213    
214      * packaging changes:
215        - added autoconf checks for pthread library
216        - added autoconf check for pthread bug found on certain NPTL-enabled
217          glibc versions (see Gentoo bug report #194076)
218        - added autoconf checks for MS Windows
219    
220      * general changes:
221        - bugfix: the thread used by an editor plugin didn't die when the
222          editor closed
223        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
224          out all the space. operator--() did not apply size_mask after
225          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
226          order to avoid problems with the _NonVolatileReader functions.
227        - bugfix: Stream.h: added a missing divide by BytesPerSample in
228          GetWriteSpace(). Since this function is currently only used in
229          the stream's qsort() compare function, it didn't trigger any
230          bugs.
231        - Resampler.h, Synthesizer.h: cubic interpolation now works in
232          24bit mode too. Faster method to read 24bit words on little
233          endian machines (x86): replaced 3 byte reads + shifts with a 1
234          unaligned 32bit read and shift
235        - experimental support for MS Windows (MIDI input via MME, AUDIO
236          output via ASIO)
237        - made handling of SIGINT signal (Ctrl-C) a bit more robust
238        - support for monitoring the total number of active disk streams
239          (new LSCP commands: GET TOTAL_STREAM_COUNT,
240          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
241    
242      * AUDIO driver:
243        - added Windows ASIO low latency audio driver
244    
245      * MIDI driver:
246        - added MME Windows MIDI driver
247    
248      * LSCP server:
249        - added support for Windows style path / filenames, however with
250          forward slash path separators instead of backslash
251          (i.e. "C:/foo/bar.gig")
252        - allow naughty liblscp to send non-string device parameters within
253          apostrophes as well
254        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
255          "LIST FILE INSTRUMENTS <file>" and
256          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
257          about an arbitrary instrument file on the system where the sampler is
258          running on
259    
260    Version 0.5.0 (15 October 2007)
261    
262      * packaging changes:
263        - config.h is not going to be installed along with liblinuxsampler's
264          API header files anymore
265        - only the API relevant header (and source) files will be exported to
266          the Doxygen API documentation (explicitly listed in Doxyfile.in)
267        - added completely new XCode project files for Mac OSX which is now
268          capable to execute our autoconf environment, thus no need anymore
269          to maintain the compile time configuration file (osx/version.h) for
270          OSX manually (patch by Toshi Nagata)
271        - fixed buggy boolean --enable-foo / --disable-foo configure script
272          parameters
273        - global.h now only covers global definitions that are needed for the
274          C++ API header files, all implementation internal global definitions
275          are now in global_private.h
276        - atomic.h is not exposed to the C++ API anymore
277        - no need to include config.h anymore for using LS's API header files
278        - fixed warnings in API doc generation
279    
280      * general changes:
281        - replaced the old, confusing MIDI program change mechanism by a
282          flexible MIDI instrument mapper which allows to map arbitrary
283          (MIDI bank, MIDI program) pairs with arbitrary
284          (engine type, instrument file, file index) triplets which will be
285          loaded on the respective channel when such MIDI program change
286          messages arrive, beside that, each entry allows to define a life-time
287          strategy for the instrument, so the user can define whether the
288          instrument should i.e. be permanently loaded (to be able to switch
289          quickly among sounds) or i.e. loaded just on demand when the
290          respective program change arrives (to safe RAM space), as well as a
291          global volume factor for each entry, so the user can adjust the volume
292          dynamic of his mapped instrument collection without having to modify
293          the instrument files, also one can manage arbitrary amount of such
294          MIDI instrument maps and assign each sampler channel individually
295          a certain map, so that i.e. separation of normal instruments and
296          drumkits is possible
297        - new notification events for tracking changes to audio/MIDI devices,
298          MIDI instrument maps, MIDI instruments, FX sends, global volume.
299        - sampler was limited to load max. 200 instruments in the background
300          due to a constant size RingBuffer FIFO which is now replaced by a
301          dynamic (unlimited) size std::list FIFO
302        - added FX sends, these allow to route audio signals to arbitrary audio
303          output channels for being processed by external effect processors
304          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
305          controllers
306        - global (sampler wide) volume can now be controlled at runtime
307        - Implemented new, improved notification system
308        - fixed compilation errors regarding OSX
309          (patch by Toshi Nagata)
310        - implemented instruments database
311        - added support for escape sequences to the instruments database
312        - added highly experimental support for on-the-fly instrument editing
313          within the sampler's process (by using instrument editor plugins),
314          you'll notice the new "Registered instrument editors:" message on
315          startup, added a new LSCP command:
316          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
317          to spawn a matching instrument editor for the instrument on the
318          given sampler channel, the plugin path can be overridden at compile
319          time with ./configure --enable-plugin-dir=/some/dir
320        - added experimental code for synchronizing instrument editors hosted
321          in the sampler's process to safely edit instruments while playing
322          without a crash (hopefully) by either suspending single regions
323          wherever possible or if unavoidable whole engine(s)
324        - fixed several issues in fundamental "Thread" class: set scheduling
325          policy and priority on thread level, set a minimum stack size for
326          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
327          threads simply inherited properties of starting thread instead of
328          setting their own policy and priority
329        - minor fix in our automatic stack trace mechanism on crashes, the
330          main process did not wait for the stack trace process to finish
331          its output
332        - fixed some minor memory leaks
333        - reenabled assembly features support, at the moment only for
334          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
335        - minor assembly fix in x86 features detection (don't use the PIC
336          register, to avoid relocations in the text segment at runtime)
337        - POSIX callback functions of Thread.h are hidden
338    
339      * MIDI driver:
340        - dispatch bank select (MSB and LSB) messages
341    
342      * audio driver:
343        - the ALSA audio output driver parameters now reflect the correct
344          parameter value ranges for the respective selected sound card
345          (patch by Till Wimmer, a bit fixed and extended)
346    
347      * Gigasampler format engine:
348        - if a filter is used and EG2 finishes before EG1, let the voice
349          die when EG2 has finished (this fixes a problem with clicks and
350          voice starvation for some gigs)
351        - playback is no longer disabled during instrument loading
352        - all notes playing on a channel that changes its instrument keep
353          playing with the old instrument until they get a note off
354          command
355        - EG fix: a release value of zero could cause noises or crash
356        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
357        - EG fine tuning: when attack is zero the EG starts at a level
358          above max sustain level, which means that there is a decay phase
359          even if sustain is 100%
360        - more EG fixes: the level could sometimes go below zero and cause
361          noises or crashes
362        - minor fix of EGDecay (patch by Toshi Nagata)
363        - fixed compiler error when --enable-override-filter-type was
364          supplied to the configure script (fixes #46)
365        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
366          instead of a fix value
367        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
368          127 (solo mode) only kill voices if the respective mode really
369          changed
370    
371      * LSCP server:
372        - fixed compile time error for old Bison versions
373          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
374        - parser now supports extended ASCII character set
375          (up to ASCII code 255, i.e. includes now umlauts and accents)
376        - filename arguments in LSCP commands now allow to use escape
377          sequences, that is directly literal as one of: \', \", \\, \n, \r,
378          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
379          code value like \xf2) (fixes bug #24)
380        - the following LSCP commands now also support escape sequences for at
381          least one of their text-based parameters (i.e. name, description):
382          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
383          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
384          "SET DB_INSTRUMENT_DIRECTORY NAME",
385          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
386          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
387          "FIND DB_INSTRUMENT_DIRECTORIES"
388        - returns verbose syntax errors (line and column where syntax error
389          occured, the unexpected character and the actually expected, possible
390          character(s), the latter only if less than 5 possibilities)
391        - made sure that LSCP syntax is not affected by gigedit locale
392          settings
393        - bugfix regarding strings parameter lists: all comma separated lists
394          of strings were treated as being one string containing commas
395          (fixes #57)
396    
397      * Bug fixes:
398        - fixed crash occurring on certain LSCP scripts (Bug 39)
399        - another thread safety fix for lscp "load engine" and "set
400          channel audio output device"
401        - fixed a crash which occurs when reassigning the same engine
402          on a sampler channel with connected MIDI device
403        - fixed a crash which occurs when changing the number of ports of a MIDI
404          device connected to a sampler channel to number less then or equal
405          to the index of the port to which the sampler channel is connected.
406        - The previous bindings were not been disconnected when altering
407          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
408          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
409        - The active stream/voice count statistic was incorrect.
410        - notification events were not been sent for some sampler
411          channel changes
412        - added default min and max values to restrict the number of allowed
413          audio output channels and MIDI input ports
414        - the connection to the PCM interface is now closed when destroying
415          an audio output device
416        - files with slash in their path or filename could not be loaded
417    
418      * test cases:
419        - updated and fixed (haven't been touched in a while)
420    
421    Version 0.4.0 (24 November 2006)
422    
423      * packaging changes:
424        - changed deprecated copyright attribute to license; added ldconfig
425          to post-(un)install steps; added devel package for liblinuxsampler;
426          to linuxsampler.spec (RPM)
427        - install necessary development header files for allowing 3rd party
428          applications to link against liblinuxsampler
429        - liblinuxsampler's API documentation can be generated with 'make docs'
430          (Doxygen required)
431        - added benchmark to automatically detect the best triangle LFO
432          implementation (currently either an integer math solution or a
433          di-harmonic approximation), automatic detection can be overriden
434          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
435          configure script argument though (mandatory for cross-compilation)
436        - do not automatically pick optimized gcc flags if the user already
437          provided some on his own (as CXXFLAGS)
438        - added compile time option to disable processing of All-Notes-Off MIDI
439          messages
440        - added compile time options to allow disabling the various audio and
441          MIDI drivers
442        - fixed automatic GCC CPU switch detection on PPC
443          (patch by Ebrahim Mayat)
444    
445      * Gigasampler format engine:
446        - extensive synthesis optimization
447          (reimplementation of EGs and LFO(s), removed synthesis parameter
448          prerendering and the synthesis parameter matrix in general, splitting
449          each audio fragment into subfragments now where each subfragment uses
450          constant pitch and filter coefficients. The volume coefficient is
451          linearly interpolated inside a subfragment, unless
452          --disable-interpolate-volume is set.)
453        - fine tuning of the EG modulation parameters
454        - improved filter cutoff calculation by adding support for the
455          following gig parameters: Cutoff freq (used when no cutoff
456          controller is defined), Control invert, Minimum cutoff, Velocity
457          curve and Velocity range. The keyboard tracking now scales
458          cutoff frequency instead of resonance.
459        - added support for gig parameter Resonance.
460        - fixed bug in sysex handling (patch by Juan Linietsky)
461        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
462          which can be overridden with --enable-global-attenuation
463        - EG fixes: made the length of "attack hold" stage more
464          accurate. Release stage can now start before attack stage
465          ends. Cancel release didn't work when sustain was zero. Attack
466          time now has a minimal value to prevent clicks.
467        - fixed pitch changes larger than one octave
468        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
469        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
470          all modes can be altered via standard GM messages, that is CC5 for
471          altering portamento time, CC65 for enabling / disabling portamento
472          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
473        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
474          parameter) and crossfade
475        - added support for the "attenuation controller threshold" gig
476          parameter
477        - added smoothing of volume changes caused by control change
478          messages
479        - sample loop parameters are now taken from the DimensionRegion
480          instead of the wave chunk
481        - fixed keyswitching for v3 gigs with a number of keyswitch splits
482          not equal to a power of two
483        - reimplementation of the filter algorithm. The new filter is more
484          accurate and supports all gig filter types, including bandreject
485          and lowpass turbo.
486        - real support for 24 bit samples - samples are not truncated to
487          16 bits anymore
488        - support for aftertouch (channel pressure, not polyphonic
489          aftertouch)
490        - LFO1 behaviour fixed (dampening from max volume instead of
491          amplifying from 0)
492    
493      * LSCP server:
494        - fixed application exit on broken pipe error (fixes bug #20)
495        - fixed the notification messages delay due to lack of
496          network activity (fixes bug #26)
497        - fixed parser bug which occured on space(s) within device parameters
498          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
499    
500      * audio driver:
501        - added aRts audio output driver (by no means RT safe)
502    
503      * MIDI driver:
504        - fixed legacy sysex code which caused dispatching of MIDI SysEx
505          messages several times instead of once
506        - API extension for MIDI drivers which already supply exact time stamps
507          for events (i.e. for offline rendering based MIDI drivers)
508        - added checks for bad MIDI data
509    
510      * linuxsampler application:
511        - show available sampler engine types on startup
512    
513      * general changes:
514        - support for muting sampler channels and solo mode of the same, two new
515          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
516          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
517          introduced for this, the behavior is the same like on a mixer console
518          (patch by Grigor Iliev, a bit adjusted). Also added configure option
519          --enable-process-muted-channels which can be used to enable the
520          processing of muted channels.
521        - support for sostenuto pedal
522        - support for monitoring the total number of active voices
523          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
524          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
525        - fixed some memory management errors
526        - fixed some concurrency problems that could lead to crashes when
527          LSCP commands were executed
528        - fixed crash when instrument loading failed previously on the same
529          sampler channel (fixes bug #36)
530    
531    Version 0.3.3 (15 July 2005)
532    
533      * packaging changes:
534        - fixed compilation with gcc 4.0
535    
536      * Gigasampler format engine:
537        - LFO preprocessing was performed even though the respective LFO was
538          disabled by the instrument patch (minor efficiency fix)
539        - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
540          for volume ramp downs in the same fragment (needed for current voice
541          stealing implementation) then simply inform the user with a warning
542          about possible click sounds and reduce the volume ramp down
543          appropriately instead of cancelling the audio device connection
544    
545    Version 0.3.2 (24 June 2005)
546    
547      * packaging changes:
548      - updated autotools build files to compile on OS X      - updated autotools build files to compile on OS X
549        (conditional compilation of CoreMIDI and MidiShare drivers)        (conditional compilation of CoreMIDI and MidiShare drivers)
550      - hand-crafted assembly optimization code can be disabled with      - hand-crafted assembly optimization code can be disabled with
551        './configure --disable-asm' (definitely not recommended)        './configure --disable-asm' (definitely not recommended)
552    * support for the gig parameters for "release velocity response"      - fixed 'make dist' rule to include all necessary files
553      curves      - require automake (>= 1.5) for 'make -f Makefile.cvs'
554    * fine tuning of the EGADSR envelope        (due to 'dist-bzip2' automake option)
555    
556      * Gigasampler format engine:
557        - support for the gig parameters for "release velocity response" curves
558        - fine tuning of the EGADSR envelope
559        - volume of release triggered samples now depends on note-on velocity,
560          note length and gig parameter "release trigger decay" instead of
561          note-off velocity.
562        - revised voice stealing
563          (fixes crash and endless loop caused by voice stealing)
564        - don't reset scale tuning on instrument or audio output device change
565        - handle key group conflicts right at the beginning of each fragment
566          instead of when the respective voice is actually launched
567          (fixes undefined behavior if stolen voices belonged to a key group -
568          this case was followed by a "killed voice survived" error message)
569        - fixed minor issue with null/silence samples
570          (those stole voices even though they don't need a voice at all which
571          resulted in "voice stealing didn't work out" messages)
572        - don't reset volume, pan, pitch and MIDI controller values on
573          instrument or audio output device change
574    
575    * LSCP server:    * LSCP server:
576      - fixed some crashes (patch by Grigor Iliev, fixes #19)      - fixed some crashes (patch by Grigor Iliev, fixes #19)
577    * volume of release triggered samples now depends on note-on      - fixed LSCP event "CHANNEL_INFO" notification
578      velocity, note length and gig parameter "release trigger decay"        (e.g. did not notify on volume changes or MIDI program change events)
579      instead of note-off velocity.  
580      * linuxsampler application:
581        - added command line parameters --lscp-addr and --lscp-port to override
582          default IP address and port of LSCP server
583    
584  Version 0.3.1 (24 May 2005)  Version 0.3.1 (24 May 2005)
585    

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