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Revision 1930 - (show annotations) (download)
Sat Jul 4 12:31:44 2009 UTC (10 years, 4 months ago) by schoenebeck
File size: 30553 byte(s)
* fixed vector optimization code in AudioChannel.cpp:
  - application crashed when audio buffer(s) were not 16 byte aligned
    (e.g. the case with some VST host applications)
  - vector extension code was always to tried be compiled, even though the
    compiler didn't support vector extensions

1 Version CVS HEAD (?)
2
3 * 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 (look in the same directory and one
17 directory above)
18 - configure script fix: removed unconditional use of SSE
19 - fixed building with sqlite installed in a non-standard directory
20
21 * general changes:
22 - bugfix: on some POSIX systems instrument editor plugins refused to
23 load as we used a non-portable Linux specific struct field
24 (fixes bug #70, patch by Ronald Baljeu)
25 - fixed endless loop which occured when loading an instrument editor
26 plugin DLL on Windows systems failed
27 - fixed memory leaks that occurred when liblinuxsampler was unloaded
28 - optimized the SynchronizedConfig class so it doesn't wait
29 unnecessarily long after an update
30 - added support for notifying instrument editors on note-on / note-off
31 events (e.g. to highlight the pressed keys on the virtual keyboard
32 of gigedit)
33 - added support for triggering notes by instrument editors (see above)
34 - be verbose on DLL load errors (on Linux)
35 - fixed di-harmonic triangle LFO implementation (this LFO implementation
36 is only used by very few systems, most pick the int math
37 implementation, which is usually faster)
38 - fixes for audio drivers with varying buffer sizes
39 - experimental support for running LinuxSampler as a DSSI, LV2 and
40 VST plugin
41 - notification events for stream/voice count statistics are now sent
42 only when there are actual changes
43 - added memory ordering constraints to improve stability on
44 multi-core and multi-cpu systems
45 - maximum voices and disk streams can now be altered at runtime
46 - fixed CPU feature detection on x86_64 (maybe fixes #108)
47 - automatic stacktrace mechanism is now turned off by default and can
48 be switched on by command line option "--stacktrace" (the automatic
49 stacktrace mechanism seems to be broken on most systems at the moment)
50 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
51 a pointer to the launched InstrumentEditor object
52 - added optional 3rd party user data parameter for following
53 liblinuxsampler C++ API methods: InstrumentEditor::Main(),
54 InstrumentEditor::Launch(),
55 InstrumentManager::LaunchInstrumentEditor()
56 - theoretical fix: made SynchronizedConfig follow C++0x memory
57 model more strictly
58 - fixes for using large audio device buffers
59
60 * audio driver:
61 - removed the nonsense audio channel constraint (which was hard coded to
62 max. 100 audio channels) for most audio drivers
63 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
64 opposed to the LSCP specs
65 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
66 reflected the wrong value
67 - fixed a memory management bug in ASIO driver
68 - Makefile fix: JACK_CFLAGS wasn't used
69 - JACK: use jack_client_open instead of the deprecated
70 jack_client_new
71 - added (experimental) CoreAudio driver
72 - applied old fixes to the ASIO driver that were included in the
73 previous binary release but accidentally never committed to CVS
74 (fixes #117)
75 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
76 win64)
77 - VST: added support for sample rate and buffer size changes
78 - VST: close editor (Fantasia) when the VST is removed
79 - VST: avoid opening Fantasia more than once for each VST instance
80 - VST: export main function as "main" on Linux too (fix for
81 energyXT)
82 - VST: changed number of output channels from one stereo to 16
83 stereo
84 - added channel routing, fxsends and midi maps to the settings
85 stored in the plugin state
86 - performance optimization of AudioChannel::MixTo() and
87 AudioChannel::CopyTo() methods using GCC vector exensions
88 (if available)
89
90 * MIDI driver:
91 - added JACK MIDI driver
92 - dispatch bank select as ordinary CC as well, the user might seriously
93 want to (mis)use it for some purpose ("fixed" in all current MIDI
94 input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
95 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
96 CoreMidi or AU
97 - fixed mingw-w64 compilation error in MME driver
98 - made program change handling in MIDI thread real-time safe by
99 moving the logic to a non-RT thread
100
101 * instruments database:
102 - avoid time consuming samples scanning when adding instruments
103 to the instruments database
104 - added support for handling lost files in the instruments database
105 - Implemented option for adding instruments in separate directories
106 in the instruments database
107 (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
108 - work-around for missing fnmatch function on Windows to make
109 instrument database compilable
110 - added instrument database support on Windows
111 works with both standalone mode and VST plugin.
112 the instruments DB file is located in
113 %USERPROFILE%\.linuxsampler\instruments.db which allows different
114 databases for each windows user
115 if no DB is present it automatically creates the .linuxsampler subdir
116 and then creates an empty DB
117
118 * Gigasampler format engine:
119 - fixed a memory leak that could happen when a channel was deleted
120 while notes were playing
121 - made it possible to load an instrument even if the audio thread
122 isn't running
123 - added partial support for the "Controller Triggered" MIDI rule,
124 enough for piano gigs with pedal noise samples
125 - minor fix: only mark FX sends as being modified if really the
126 respective FX send MIDI controller was used
127 - added support for GM global device volume SysEx message
128 (can be selected at compile time to either apply globally to the
129 whole sampler [default] or only to the sampler channels that are
130 connected to the respective MIDI input port the SysEx message arrived
131 on)
132 - bugfix: notes triggered at position 0 in the audio buffer were
133 sometimes wrongly killed in the same buffer, causing no sound to
134 be played
135 - added support for chromatic / drumkit mode Roland GS Sysex message
136 which is usally used to switch a part between chromatic sounds and
137 drumkit sounds (as opposed to their common default setting of MIDI
138 part 10 being a drumkit part and all other ones chromatic parts), in
139 LS however one can switch between the first 16 MIDI instrument maps
140 defined for the sampler
141 - made it possible to create multiple sample channels even if the
142 audio thread isn't running
143 - fixed crash when removing channel with active voices (#116)
144 - bugfix: on sample reference changes (instrument editor), only
145 un-cache the respective sample if it's really not used by any
146 sampler engine anymore
147 - re-cache samples in case they were changed by an instrument editor,
148 e.g. when a sample was added while playing (#82)
149 - fixed hanging notes which occured when note-off event had the exact
150 same time stamp as the voice's note-on event and occured both in the
151 same audio fragment cycle (fixes bug #112)
152 - added support for the "fine tune" and "pitch bend range"
153 instrument-level gig parameters
154 - fixed minor artifacts in pitch bend handling
155 - added support for GS Reset SysEx message
156 - allow gig files to use unlimited downward pitch shifting
157 - added a limit check for upward pitch shifting
158 - bugfix: sometimes, when playing a note twice fast, the second
159 note was silent
160 - fixed crash happening when a pitch bend event arrived at the
161 same time a new instrument was loading
162
163 * LSCP server:
164 - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
165 react on MIDI data arriving on certain sampler channels (so far only
166 Note-On and Note-Off events are sent via this LSCP event)
167 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
168 react on MIDI data arriving on certain MIDI input devices (so far only
169 Note-On and Note-Off events are sent via this LSCP event)
170 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
171 SET DB_INSTRUMENT FILE_PATH
172 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
173 frontends to send MIDI messages to specific sampler channel
174 - added two additional fields to GET FILE INSTRUMENT INFO command -
175 KEY_BINDINGS and KEYSWITCH_BINDINGS
176 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
177 was incorrect
178 - Optimized the retrieval of the MIDI instrument mappings
179 - added new LSCP command "SET VOICES" to globally alter the maximum
180 amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
181 be triggered respectively
182 - added new LSCP command "SET STREAMS" to globally alter the maximum
183 amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
184 which will be triggered respectively
185 - bugfix: retry if "select" returns EINTR (this fixes a crash when
186 a gigedit file dialog is opened)
187 - close all connections when LSCPServer is deleted
188 - hard close of all sockets on exit
189 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
190 driver
191
192 * Bug fixes:
193 - fixed a crash which occurs when removing a sampler channel waiting
194 to start instrument loading after another channel
195 - fixed a crash which occurs when removing a sampler channel with
196 instrument loading in progress (bug #113)
197 - fixed termination caused by uncaught exception when adding MIDI
198 instrument with PERSISTENT load mode
199 - fixed possible iterator invalidations when resetting the sampler
200 - fixed memory leaks when issuing the following LSCP commands:
201 GET AUDIO_OUTPUT_DRIVER INFO
202 GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
203 GET MIDI_INPUT_DRIVER INFO
204 GET MIDI_INPUT_DRIVER_PARAMETER INFO
205 - fixed possible compilation error when sqlite is not present
206 - fixed orphaned pointers when setting maximum voices limit (bug #118)
207 - fixed crash when changing the audio output device of a sampler
208 channel with loaded instrument and start playing notes
209 - fixed endless loop in Engine::SuspendAll() (bug #120)
210 - fixed a low-level atomic load function that was broken on 64-bit
211 PowerPC, which probably could cause crashes on that platform
212 - fixed a memory management error which could cause a crash when a
213 plugin was unloaded
214 - bugfix: two private structs had the same name, which could cause
215 problems if the linker chose the wrong constructor
216
217
218 Version 0.5.1 (6 December 2007)
219
220 * packaging changes:
221 - added autoconf checks for pthread library
222 - added autoconf check for pthread bug found on certain NPTL-enabled
223 glibc versions (see Gentoo bug report #194076)
224 - added autoconf checks for MS Windows
225
226 * general changes:
227 - bugfix: the thread used by an editor plugin didn't die when the
228 editor closed
229 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
230 out all the space. operator--() did not apply size_mask after
231 decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
232 order to avoid problems with the _NonVolatileReader functions.
233 - bugfix: Stream.h: added a missing divide by BytesPerSample in
234 GetWriteSpace(). Since this function is currently only used in
235 the stream's qsort() compare function, it didn't trigger any
236 bugs.
237 - Resampler.h, Synthesizer.h: cubic interpolation now works in
238 24bit mode too. Faster method to read 24bit words on little
239 endian machines (x86): replaced 3 byte reads + shifts with a 1
240 unaligned 32bit read and shift
241 - experimental support for MS Windows (MIDI input via MME, AUDIO
242 output via ASIO)
243 - made handling of SIGINT signal (Ctrl-C) a bit more robust
244 - support for monitoring the total number of active disk streams
245 (new LSCP commands: GET TOTAL_STREAM_COUNT,
246 SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
247
248 * AUDIO driver:
249 - added Windows ASIO low latency audio driver
250
251 * MIDI driver:
252 - added MME Windows MIDI driver
253
254 * LSCP server:
255 - added support for Windows style path / filenames, however with
256 forward slash path separators instead of backslash
257 (i.e. "C:/foo/bar.gig")
258 - allow naughty liblscp to send non-string device parameters within
259 apostrophes as well
260 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
261 "LIST FILE INSTRUMENTS <file>" and
262 "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
263 about an arbitrary instrument file on the system where the sampler is
264 running on
265
266 Version 0.5.0 (15 October 2007)
267
268 * packaging changes:
269 - config.h is not going to be installed along with liblinuxsampler's
270 API header files anymore
271 - only the API relevant header (and source) files will be exported to
272 the Doxygen API documentation (explicitly listed in Doxyfile.in)
273 - added completely new XCode project files for Mac OSX which is now
274 capable to execute our autoconf environment, thus no need anymore
275 to maintain the compile time configuration file (osx/version.h) for
276 OSX manually (patch by Toshi Nagata)
277 - fixed buggy boolean --enable-foo / --disable-foo configure script
278 parameters
279 - global.h now only covers global definitions that are needed for the
280 C++ API header files, all implementation internal global definitions
281 are now in global_private.h
282 - atomic.h is not exposed to the C++ API anymore
283 - no need to include config.h anymore for using LS's API header files
284 - fixed warnings in API doc generation
285
286 * general changes:
287 - replaced the old, confusing MIDI program change mechanism by a
288 flexible MIDI instrument mapper which allows to map arbitrary
289 (MIDI bank, MIDI program) pairs with arbitrary
290 (engine type, instrument file, file index) triplets which will be
291 loaded on the respective channel when such MIDI program change
292 messages arrive, beside that, each entry allows to define a life-time
293 strategy for the instrument, so the user can define whether the
294 instrument should i.e. be permanently loaded (to be able to switch
295 quickly among sounds) or i.e. loaded just on demand when the
296 respective program change arrives (to safe RAM space), as well as a
297 global volume factor for each entry, so the user can adjust the volume
298 dynamic of his mapped instrument collection without having to modify
299 the instrument files, also one can manage arbitrary amount of such
300 MIDI instrument maps and assign each sampler channel individually
301 a certain map, so that i.e. separation of normal instruments and
302 drumkits is possible
303 - new notification events for tracking changes to audio/MIDI devices,
304 MIDI instrument maps, MIDI instruments, FX sends, global volume.
305 - sampler was limited to load max. 200 instruments in the background
306 due to a constant size RingBuffer FIFO which is now replaced by a
307 dynamic (unlimited) size std::list FIFO
308 - added FX sends, these allow to route audio signals to arbitrary audio
309 output channels for being processed by external effect processors
310 (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
311 controllers
312 - global (sampler wide) volume can now be controlled at runtime
313 - Implemented new, improved notification system
314 - fixed compilation errors regarding OSX
315 (patch by Toshi Nagata)
316 - implemented instruments database
317 - added support for escape sequences to the instruments database
318 - added highly experimental support for on-the-fly instrument editing
319 within the sampler's process (by using instrument editor plugins),
320 you'll notice the new "Registered instrument editors:" message on
321 startup, added a new LSCP command:
322 "EDIT CHANNEL INSTRUMENT <sampler-channel>"
323 to spawn a matching instrument editor for the instrument on the
324 given sampler channel, the plugin path can be overridden at compile
325 time with ./configure --enable-plugin-dir=/some/dir
326 - added experimental code for synchronizing instrument editors hosted
327 in the sampler's process to safely edit instruments while playing
328 without a crash (hopefully) by either suspending single regions
329 wherever possible or if unavoidable whole engine(s)
330 - fixed several issues in fundamental "Thread" class: set scheduling
331 policy and priority on thread level, set a minimum stack size for
332 thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
333 threads simply inherited properties of starting thread instead of
334 setting their own policy and priority
335 - minor fix in our automatic stack trace mechanism on crashes, the
336 main process did not wait for the stack trace process to finish
337 its output
338 - fixed some minor memory leaks
339 - reenabled assembly features support, at the moment only for
340 enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
341 - minor assembly fix in x86 features detection (don't use the PIC
342 register, to avoid relocations in the text segment at runtime)
343 - POSIX callback functions of Thread.h are hidden
344
345 * MIDI driver:
346 - dispatch bank select (MSB and LSB) messages
347
348 * audio driver:
349 - the ALSA audio output driver parameters now reflect the correct
350 parameter value ranges for the respective selected sound card
351 (patch by Till Wimmer, a bit fixed and extended)
352
353 * Gigasampler format engine:
354 - if a filter is used and EG2 finishes before EG1, let the voice
355 die when EG2 has finished (this fixes a problem with clicks and
356 voice starvation for some gigs)
357 - playback is no longer disabled during instrument loading
358 - all notes playing on a channel that changes its instrument keep
359 playing with the old instrument until they get a note off
360 command
361 - EG fix: a release value of zero could cause noises or crash
362 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
363 - EG fine tuning: when attack is zero the EG starts at a level
364 above max sustain level, which means that there is a decay phase
365 even if sustain is 100%
366 - more EG fixes: the level could sometimes go below zero and cause
367 noises or crashes
368 - minor fix of EGDecay (patch by Toshi Nagata)
369 - fixed compiler error when --enable-override-filter-type was
370 supplied to the configure script (fixes #46)
371 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
372 instead of a fix value
373 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
374 127 (solo mode) only kill voices if the respective mode really
375 changed
376
377 * LSCP server:
378 - fixed compile time error for old Bison versions
379 (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
380 - parser now supports extended ASCII character set
381 (up to ASCII code 255, i.e. includes now umlauts and accents)
382 - filename arguments in LSCP commands now allow to use escape
383 sequences, that is directly literal as one of: \', \", \\, \n, \r,
384 \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
385 code value like \xf2) (fixes bug #24)
386 - the following LSCP commands now also support escape sequences for at
387 least one of their text-based parameters (i.e. name, description):
388 "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
389 "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
390 "SET DB_INSTRUMENT_DIRECTORY NAME",
391 "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
392 "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
393 "FIND DB_INSTRUMENT_DIRECTORIES"
394 - returns verbose syntax errors (line and column where syntax error
395 occured, the unexpected character and the actually expected, possible
396 character(s), the latter only if less than 5 possibilities)
397 - made sure that LSCP syntax is not affected by gigedit locale
398 settings
399 - bugfix regarding strings parameter lists: all comma separated lists
400 of strings were treated as being one string containing commas
401 (fixes #57)
402
403 * Bug fixes:
404 - fixed crash occurring on certain LSCP scripts (Bug 39)
405 - another thread safety fix for lscp "load engine" and "set
406 channel audio output device"
407 - fixed a crash which occurs when reassigning the same engine
408 on a sampler channel with connected MIDI device
409 - fixed a crash which occurs when changing the number of ports of a MIDI
410 device connected to a sampler channel to number less then or equal
411 to the index of the port to which the sampler channel is connected.
412 - The previous bindings were not been disconnected when altering
413 the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
414 unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
415 - The active stream/voice count statistic was incorrect.
416 - notification events were not been sent for some sampler
417 channel changes
418 - added default min and max values to restrict the number of allowed
419 audio output channels and MIDI input ports
420 - the connection to the PCM interface is now closed when destroying
421 an audio output device
422 - files with slash in their path or filename could not be loaded
423
424 * test cases:
425 - updated and fixed (haven't been touched in a while)
426
427 Version 0.4.0 (24 November 2006)
428
429 * packaging changes:
430 - changed deprecated copyright attribute to license; added ldconfig
431 to post-(un)install steps; added devel package for liblinuxsampler;
432 to linuxsampler.spec (RPM)
433 - install necessary development header files for allowing 3rd party
434 applications to link against liblinuxsampler
435 - liblinuxsampler's API documentation can be generated with 'make docs'
436 (Doxygen required)
437 - added benchmark to automatically detect the best triangle LFO
438 implementation (currently either an integer math solution or a
439 di-harmonic approximation), automatic detection can be overriden
440 with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
441 configure script argument though (mandatory for cross-compilation)
442 - do not automatically pick optimized gcc flags if the user already
443 provided some on his own (as CXXFLAGS)
444 - added compile time option to disable processing of All-Notes-Off MIDI
445 messages
446 - added compile time options to allow disabling the various audio and
447 MIDI drivers
448 - fixed automatic GCC CPU switch detection on PPC
449 (patch by Ebrahim Mayat)
450
451 * Gigasampler format engine:
452 - extensive synthesis optimization
453 (reimplementation of EGs and LFO(s), removed synthesis parameter
454 prerendering and the synthesis parameter matrix in general, splitting
455 each audio fragment into subfragments now where each subfragment uses
456 constant pitch and filter coefficients. The volume coefficient is
457 linearly interpolated inside a subfragment, unless
458 --disable-interpolate-volume is set.)
459 - fine tuning of the EG modulation parameters
460 - improved filter cutoff calculation by adding support for the
461 following gig parameters: Cutoff freq (used when no cutoff
462 controller is defined), Control invert, Minimum cutoff, Velocity
463 curve and Velocity range. The keyboard tracking now scales
464 cutoff frequency instead of resonance.
465 - added support for gig parameter Resonance.
466 - fixed bug in sysex handling (patch by Juan Linietsky)
467 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
468 which can be overridden with --enable-global-attenuation
469 - EG fixes: made the length of "attack hold" stage more
470 accurate. Release stage can now start before attack stage
471 ends. Cancel release didn't work when sustain was zero. Attack
472 time now has a minimal value to prevent clicks.
473 - fixed pitch changes larger than one octave
474 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
475 - implemented portamento mode and solo mode (a.k.a 'mono mode'):
476 all modes can be altered via standard GM messages, that is CC5 for
477 altering portamento time, CC65 for enabling / disabling portamento
478 mode, CC126 for enabling solo mode and CC127 for disabling solo mode
479 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
480 parameter) and crossfade
481 - added support for the "attenuation controller threshold" gig
482 parameter
483 - added smoothing of volume changes caused by control change
484 messages
485 - sample loop parameters are now taken from the DimensionRegion
486 instead of the wave chunk
487 - fixed keyswitching for v3 gigs with a number of keyswitch splits
488 not equal to a power of two
489 - reimplementation of the filter algorithm. The new filter is more
490 accurate and supports all gig filter types, including bandreject
491 and lowpass turbo.
492 - real support for 24 bit samples - samples are not truncated to
493 16 bits anymore
494 - support for aftertouch (channel pressure, not polyphonic
495 aftertouch)
496 - LFO1 behaviour fixed (dampening from max volume instead of
497 amplifying from 0)
498
499 * LSCP server:
500 - fixed application exit on broken pipe error (fixes bug #20)
501 - fixed the notification messages delay due to lack of
502 network activity (fixes bug #26)
503 - fixed parser bug which occured on space(s) within device parameters
504 (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
505
506 * audio driver:
507 - added aRts audio output driver (by no means RT safe)
508
509 * MIDI driver:
510 - fixed legacy sysex code which caused dispatching of MIDI SysEx
511 messages several times instead of once
512 - API extension for MIDI drivers which already supply exact time stamps
513 for events (i.e. for offline rendering based MIDI drivers)
514 - added checks for bad MIDI data
515
516 * linuxsampler application:
517 - show available sampler engine types on startup
518
519 * general changes:
520 - support for muting sampler channels and solo mode of the same, two new
521 LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
522 fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
523 introduced for this, the behavior is the same like on a mixer console
524 (patch by Grigor Iliev, a bit adjusted). Also added configure option
525 --enable-process-muted-channels which can be used to enable the
526 processing of muted channels.
527 - support for sostenuto pedal
528 - support for monitoring the total number of active voices
529 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
530 SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
531 - fixed some memory management errors
532 - fixed some concurrency problems that could lead to crashes when
533 LSCP commands were executed
534 - fixed crash when instrument loading failed previously on the same
535 sampler channel (fixes bug #36)
536
537 Version 0.3.3 (15 July 2005)
538
539 * packaging changes:
540 - fixed compilation with gcc 4.0
541
542 * Gigasampler format engine:
543 - LFO preprocessing was performed even though the respective LFO was
544 disabled by the instrument patch (minor efficiency fix)
545 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
546 for volume ramp downs in the same fragment (needed for current voice
547 stealing implementation) then simply inform the user with a warning
548 about possible click sounds and reduce the volume ramp down
549 appropriately instead of cancelling the audio device connection
550
551 Version 0.3.2 (24 June 2005)
552
553 * packaging changes:
554 - updated autotools build files to compile on OS X
555 (conditional compilation of CoreMIDI and MidiShare drivers)
556 - hand-crafted assembly optimization code can be disabled with
557 './configure --disable-asm' (definitely not recommended)
558 - fixed 'make dist' rule to include all necessary files
559 - require automake (>= 1.5) for 'make -f Makefile.cvs'
560 (due to 'dist-bzip2' automake option)
561
562 * Gigasampler format engine:
563 - support for the gig parameters for "release velocity response" curves
564 - fine tuning of the EGADSR envelope
565 - volume of release triggered samples now depends on note-on velocity,
566 note length and gig parameter "release trigger decay" instead of
567 note-off velocity.
568 - revised voice stealing
569 (fixes crash and endless loop caused by voice stealing)
570 - don't reset scale tuning on instrument or audio output device change
571 - handle key group conflicts right at the beginning of each fragment
572 instead of when the respective voice is actually launched
573 (fixes undefined behavior if stolen voices belonged to a key group -
574 this case was followed by a "killed voice survived" error message)
575 - fixed minor issue with null/silence samples
576 (those stole voices even though they don't need a voice at all which
577 resulted in "voice stealing didn't work out" messages)
578 - don't reset volume, pan, pitch and MIDI controller values on
579 instrument or audio output device change
580
581 * LSCP server:
582 - fixed some crashes (patch by Grigor Iliev, fixes #19)
583 - fixed LSCP event "CHANNEL_INFO" notification
584 (e.g. did not notify on volume changes or MIDI program change events)
585
586 * linuxsampler application:
587 - added command line parameters --lscp-addr and --lscp-port to override
588 default IP address and port of LSCP server
589
590 Version 0.3.1 (24 May 2005)
591
592 * initial release

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