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Revision 1895 - (hide annotations) (download)
Sun May 3 12:15:40 2009 UTC (14 years, 10 months ago) by persson
File size: 28791 byte(s)
* fixes for using large audio device buffers
* VST: added support for sample rate and buffer size changes
* VST: close editor (Fantasia) when the VST is removed
* minor fix in configure for mmsystem.h detection on MinGW
* removed warnings from gcc 4.4 and valgrind

1 schoenebeck 1599 Version CVS HEAD (?)
2    
3 schoenebeck 1639 * 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 persson 1713 - fixed compilation with gcc 4.3
9 persson 1792 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
10 persson 1794 - fixed configure so it detects x86_64 (#107)
11 persson 1808 - fixes for building with newer MinGW versions
12     - fix for building with bison 2.4 (#111)
13 persson 1842 - fixed building with libgig installed in a non-standard directory
14 persson 1895 - minor fix in configure for mmsystem.h detection on MinGW
15 schoenebeck 1639
16 schoenebeck 1601 * general changes:
17     - bugfix: on some POSIX systems instrument editor plugins refused to
18     load as we used a non-portable Linux specific struct field
19     (fixes bug #70, patch by Ronald Baljeu)
20 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
21     plugin DLL on Windows systems failed
22 persson 1644 - fixed memory leaks that occurred when liblinuxsampler was unloaded
23     - optimized the SynchronizedConfig class so it doesn't wait
24     unnecessarily long after an update
25 schoenebeck 1653 - added support for notifying instrument editors on note-on / note-off
26     events (e.g. to highlight the pressed keys on the virtual keyboard
27     of gigedit)
28 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
29 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
30 schoenebeck 1681 - fixed di-harmonic triangle LFO implementation (this LFO implementation
31     is only used by very few systems, most pick the int math
32     implementation, which is usually faster)
33 persson 1748 - fixes for audio drivers with varying buffer sizes
34 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
35     VST plugin
36 iliev 1789 - notification events for stream/voice count statistics are now sent
37     only when there are actual changes
38 persson 1790 - added memory ordering constraints to improve stability on
39     multi-core and multi-cpu systems
40 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
41 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
42 schoenebeck 1830 - automatic stacktrace mechanism is now turned off by default and can
43     be switched on by command line option "--stacktrace" (the automatic
44     stacktrace mechanism seems to be broken on most systems at the moment)
45 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
46     a pointer to the launched InstrumentEditor object
47 schoenebeck 1876 - added optional 3rd party user data parameter for following
48     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
49     InstrumentEditor::Launch(),
50     InstrumentManager::LaunchInstrumentEditor()
51 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
52     model more strictly
53 persson 1895 - fixes for using large audio device buffers
54 schoenebeck 1601
55 schoenebeck 1599 * audio driver:
56     - removed the nonsense audio channel constraint (which was hard coded to
57     max. 100 audio channels) for most audio drivers
58 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
59     opposed to the LSCP specs
60 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
61     reflected the wrong value
62 persson 1644 - fixed a memory management bug in ASIO driver
63 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
64 persson 1777 - JACK: use jack_client_open instead of the deprecated
65 persson 1748 jack_client_new
66 iliev 1829 - added (experimental) CoreAudio driver
67 persson 1888 - applied old fixes to the ASIO driver that were included in the
68     previous binary release but accidentally never committed to CVS
69     (fixes #117)
70 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
71     win64)
72 persson 1895 - VST: added support for sample rate and buffer size changes
73     - VST: close editor (Fantasia) when the VST is removed
74 schoenebeck 1599
75 persson 1651 * MIDI driver:
76     - added JACK MIDI driver
77 schoenebeck 1715 - dispatch bank select as ordinary CC as well, the user might seriously
78     want to (mis)use it for some purpose ("fixed" in all current MIDI
79     input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
80 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
81 persson 1887 CoreMidi or AU
82 persson 1889 - fixed mingw-w64 compilation error in MME driver
83 persson 1651
84 schoenebeck 1604 * instruments database:
85 iliev 1603 - avoid time consuming samples scanning when adding instruments
86     to the instruments database
87 iliev 1727 - added support for handling lost files in the instruments database
88 iliev 1781 - Implemented option for adding instruments in separate directories
89     in the instruments database
90     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
91 iliev 1603
92 persson 1644 * Gigasampler format engine:
93     - fixed a memory leak that could happen when a channel was deleted
94     while notes were playing
95 persson 1646 - made it possible to load an instrument even if the audio thread
96     isn't running
97 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
98     enough for piano gigs with pedal noise samples
99 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
100     respective FX send MIDI controller was used
101 schoenebeck 1724 - added support for GM global device volume SysEx message
102 schoenebeck 1762 (can be selected at compile time to either apply globally to the
103     whole sampler [default] or only to the sampler channels that are
104     connected to the respective MIDI input port the SysEx message arrived
105     on)
106 persson 1748 - bugfix: notes triggered at position 0 in the audio buffer were
107     sometimes wrongly killed in the same buffer, causing no sound to
108     be played
109 schoenebeck 1750 - added support for chromatic / drumkit mode Roland GS Sysex message
110     which is usally used to switch a part between chromatic sounds and
111     drumkit sounds (as opposed to their common default setting of MIDI
112     part 10 being a drumkit part and all other ones chromatic parts), in
113     LS however one can switch between the first 16 MIDI instrument maps
114     defined for the sampler
115 persson 1764 - made it possible to create multiple sample channels even if the
116     audio thread isn't running
117 persson 1844 - fixed crash when removing channel with active voices (#116)
118 schoenebeck 1852 - bugfix: on sample reference changes (instrument editor), only
119     un-cache the respective sample if it's really not used by any
120     sampler engine anymore
121     - re-cache samples in case they were changed by an instrument editor,
122     e.g. when a sample was added while playing (#82)
123 schoenebeck 1857 - fixed hanging notes which occured when note-off event had the exact
124     same time stamp as the voice's note-on event and occured both in the
125     same audio fragment cycle (fixes bug #112)
126 persson 1858 - added support for the "fine tune" and "pitch bend range"
127     instrument-level gig parameters
128     - fixed minor artifacts in pitch bend handling
129 schoenebeck 1860 - added support for GS Reset SysEx message
130 persson 1862 - allow gig files to use unlimited downward pitch shifting
131     - added a limit check for upward pitch shifting
132 persson 1644
133 schoenebeck 1687 * LSCP server:
134     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
135     react on MIDI data arriving on certain sampler channels (so far only
136     Note-On and Note-Off events are sent via this LSCP event)
137 schoenebeck 1695 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
138     react on MIDI data arriving on certain MIDI input devices (so far only
139     Note-On and Note-Off events are sent via this LSCP event)
140 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
141     SET DB_INSTRUMENT FILE_PATH
142 iliev 1771 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
143     frontends to send MIDI messages to specific sampler channel
144     - added two additional fields to GET FILE INSTRUMENT INFO command -
145     KEY_BINDINGS and KEYSWITCH_BINDINGS
146 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
147     was incorrect
148 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
149 schoenebeck 1800 - added new LSCP command "SET VOICES" to globally alter the maximum
150     amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
151     be triggered respectively
152     - added new LSCP command "SET STREAMS" to globally alter the maximum
153     amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
154     which will be triggered respectively
155 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
156     a gigedit file dialog is opened)
157 iliev 1848 - close all connections when LSCPServer is deleted
158 iliev 1882 - hard close of all sockets on exit
159 schoenebeck 1687
160 iliev 1761 * Bug fixes:
161     - fixed a crash which occurs when removing a sampler channel waiting
162     to start instrument loading after another channel
163 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
164     instrument loading in progress (bug #113)
165 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
166     instrument with PERSISTENT load mode
167 iliev 1835 - fixed possible iterator invalidations when resetting the sampler
168     - fixed memory leaks when issuing the following LSCP commands:
169     GET AUDIO_OUTPUT_DRIVER INFO
170     GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
171     GET MIDI_INPUT_DRIVER INFO
172     GET MIDI_INPUT_DRIVER_PARAMETER INFO
173     - fixed possible compilation error when sqlite is not present
174 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
175 iliev 1847 - fixed crash when changing the audio output device of a sampler
176     channel with loaded instrument and start playing notes
177 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
178 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
179     PowerPC, which probably could cause crashes on that platform
180 persson 1889 - fixed a memory management error which could cause a crash when a
181     plugin was unloaded
182 iliev 1761
183    
184 schoenebeck 1560 Version 0.5.1 (6 December 2007)
185 schoenebeck 1454
186     * packaging changes:
187     - added autoconf checks for pthread library
188     - added autoconf check for pthread bug found on certain NPTL-enabled
189     glibc versions (see Gentoo bug report #194076)
190 senoner 1502 - added autoconf checks for MS Windows
191 schoenebeck 1454
192 persson 1455 * general changes:
193     - bugfix: the thread used by an editor plugin didn't die when the
194     editor closed
195 persson 1534 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
196     out all the space. operator--() did not apply size_mask after
197     decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
198     order to avoid problems with the _NonVolatileReader functions.
199     - bugfix: Stream.h: added a missing divide by BytesPerSample in
200     GetWriteSpace(). Since this function is currently only used in
201     the stream's qsort() compare function, it didn't trigger any
202     bugs.
203     - Resampler.h, Synthesizer.h: cubic interpolation now works in
204     24bit mode too. Faster method to read 24bit words on little
205     endian machines (x86): replaced 3 byte reads + shifts with a 1
206     unaligned 32bit read and shift
207     - experimental support for MS Windows (MIDI input via MME, AUDIO
208     output via ASIO)
209     - made handling of SIGINT signal (Ctrl-C) a bit more robust
210 iliev 1541 - support for monitoring the total number of active disk streams
211     (new LSCP commands: GET TOTAL_STREAM_COUNT,
212     SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
213 persson 1455
214 senoner 1500 * AUDIO driver:
215 persson 1534 - added Windows ASIO low latency audio driver
216 senoner 1500
217 senoner 1485 * MIDI driver:
218 schoenebeck 1495 - added MME Windows MIDI driver
219 senoner 1485
220 schoenebeck 1471 * LSCP server:
221     - added support for Windows style path / filenames, however with
222     forward slash path separators instead of backslash
223     (i.e. "C:/foo/bar.gig")
224 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
225     apostrophes as well
226 schoenebeck 1525 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
227     "LIST FILE INSTRUMENTS <file>" and
228     "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
229     about an arbitrary instrument file on the system where the sampler is
230     running on
231 schoenebeck 1471
232 schoenebeck 1424 Version 0.5.0 (15 October 2007)
233 schoenebeck 947
234 schoenebeck 1065 * packaging changes:
235 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
236     API header files anymore
237 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
238     the Doxygen API documentation (explicitly listed in Doxyfile.in)
239 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
240     capable to execute our autoconf environment, thus no need anymore
241     to maintain the compile time configuration file (osx/version.h) for
242     OSX manually (patch by Toshi Nagata)
243 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
244     parameters
245 schoenebeck 1424 - global.h now only covers global definitions that are needed for the
246     C++ API header files, all implementation internal global definitions
247     are now in global_private.h
248     - atomic.h is not exposed to the C++ API anymore
249     - no need to include config.h anymore for using LS's API header files
250     - fixed warnings in API doc generation
251 schoenebeck 1065
252 schoenebeck 947 * general changes:
253     - replaced the old, confusing MIDI program change mechanism by a
254     flexible MIDI instrument mapper which allows to map arbitrary
255 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
256 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
257     loaded on the respective channel when such MIDI program change
258     messages arrive, beside that, each entry allows to define a life-time
259     strategy for the instrument, so the user can define whether the
260     instrument should i.e. be permanently loaded (to be able to switch
261     quickly among sounds) or i.e. loaded just on demand when the
262     respective program change arrives (to safe RAM space), as well as a
263     global volume factor for each entry, so the user can adjust the volume
264     dynamic of his mapped instrument collection without having to modify
265 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
266     MIDI instrument maps and assign each sampler channel individually
267     a certain map, so that i.e. separation of normal instruments and
268     drumkits is possible
269 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
270     MIDI instrument maps, MIDI instruments, FX sends, global volume.
271 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
272     due to a constant size RingBuffer FIFO which is now replaced by a
273     dynamic (unlimited) size std::list FIFO
274 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
275     output channels for being processed by external effect processors
276     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
277     controllers
278 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
279 iliev 1130 - Implemented new, improved notification system
280 schoenebeck 1149 - fixed compilation errors regarding OSX
281     (patch by Toshi Nagata)
282 iliev 1161 - implemented instruments database
283 iliev 1345 - added support for escape sequences to the instruments database
284 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
285     within the sampler's process (by using instrument editor plugins),
286     you'll notice the new "Registered instrument editors:" message on
287 schoenebeck 1407 startup, added a new LSCP command:
288     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
289 schoenebeck 1212 to spawn a matching instrument editor for the instrument on the
290     given sampler channel, the plugin path can be overridden at compile
291     time with ./configure --enable-plugin-dir=/some/dir
292 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
293     in the sampler's process to safely edit instruments while playing
294     without a crash (hopefully) by either suspending single regions
295     wherever possible or if unavoidable whole engine(s)
296 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
297     policy and priority on thread level, set a minimum stack size for
298     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
299     threads simply inherited properties of starting thread instead of
300     setting their own policy and priority
301 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
302     main process did not wait for the stack trace process to finish
303     its output
304 persson 1248 - fixed some minor memory leaks
305 schoenebeck 1259 - reenabled assembly features support, at the moment only for
306     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
307 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
308     register, to avoid relocations in the text segment at runtime)
309 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
310 schoenebeck 947
311     * MIDI driver:
312     - dispatch bank select (MSB and LSB) messages
313    
314 schoenebeck 1049 * audio driver:
315     - the ALSA audio output driver parameters now reflect the correct
316     parameter value ranges for the respective selected sound card
317     (patch by Till Wimmer, a bit fixed and extended)
318    
319 persson 951 * Gigasampler format engine:
320     - if a filter is used and EG2 finishes before EG1, let the voice
321     die when EG2 has finished (this fixes a problem with clicks and
322     voice starvation for some gigs)
323 persson 1038 - playback is no longer disabled during instrument loading
324     - all notes playing on a channel that changes its instrument keep
325     playing with the old instrument until they get a note off
326     command
327 persson 1039 - EG fix: a release value of zero could cause noises or crash
328 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
329 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
330     above max sustain level, which means that there is a decay phase
331     even if sustain is 100%
332 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
333     noises or crashes
334 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
335 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
336     supplied to the configure script (fixes #46)
337 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
338     instead of a fix value
339 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
340     127 (solo mode) only kill voices if the respective mode really
341     changed
342 persson 951
343 schoenebeck 1244 * LSCP server:
344     - fixed compile time error for old Bison versions
345     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
346 schoenebeck 1245 - parser now supports extended ASCII character set
347     (up to ASCII code 255, i.e. includes now umlauts and accents)
348     - filename arguments in LSCP commands now allow to use escape
349     sequences, that is directly literal as one of: \', \", \\, \n, \r,
350     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
351     code value like \xf2) (fixes bug #24)
352 schoenebeck 1389 - the following LSCP commands now also support escape sequences for at
353     least one of their text-based parameters (i.e. name, description):
354     "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
355     "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
356     "SET DB_INSTRUMENT_DIRECTORY NAME",
357     "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
358     "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
359     "FIND DB_INSTRUMENT_DIRECTORIES"
360 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
361     occured, the unexpected character and the actually expected, possible
362     character(s), the latter only if less than 5 possibilities)
363 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
364     settings
365 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
366     of strings were treated as being one string containing commas
367     (fixes #57)
368 schoenebeck 1244
369 iliev 959 * Bug fixes:
370     - fixed crash occurring on certain LSCP scripts (Bug 39)
371 persson 1038 - another thread safety fix for lscp "load engine" and "set
372     channel audio output device"
373 iliev 1283 - fixed a crash which occurs when reassigning the same engine
374     on a sampler channel with connected MIDI device
375 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
376     device connected to a sampler channel to number less then or equal
377     to the index of the port to which the sampler channel is connected.
378 iliev 1296 - The previous bindings were not been disconnected when altering
379     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
380     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
381 iliev 1297 - The active stream/voice count statistic was incorrect.
382 iliev 1298 - notification events were not been sent for some sampler
383     channel changes
384 iliev 1305 - added default min and max values to restrict the number of allowed
385     audio output channels and MIDI input ports
386 iliev 1306 - the connection to the PCM interface is now closed when destroying
387     an audio output device
388 schoenebeck 1332 - files with slash in their path or filename could not be loaded
389 iliev 959
390 schoenebeck 1221 * test cases:
391     - updated and fixed (haven't been touched in a while)
392    
393 schoenebeck 937 Version 0.4.0 (24 November 2006)
394 persson 696
395 schoenebeck 697 * packaging changes:
396 capela 868 - changed deprecated copyright attribute to license; added ldconfig
397     to post-(un)install steps; added devel package for liblinuxsampler;
398     to linuxsampler.spec (RPM)
399 schoenebeck 697 - install necessary development header files for allowing 3rd party
400     applications to link against liblinuxsampler
401     - liblinuxsampler's API documentation can be generated with 'make docs'
402     (Doxygen required)
403 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
404     implementation (currently either an integer math solution or a
405     di-harmonic approximation), automatic detection can be overriden
406     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
407     configure script argument though (mandatory for cross-compilation)
408 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
409     provided some on his own (as CXXFLAGS)
410 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
411     messages
412 schoenebeck 852 - added compile time options to allow disabling the various audio and
413     MIDI drivers
414 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
415     (patch by Ebrahim Mayat)
416 schoenebeck 697
417 persson 696 * Gigasampler format engine:
418 schoenebeck 738 - extensive synthesis optimization
419     (reimplementation of EGs and LFO(s), removed synthesis parameter
420     prerendering and the synthesis parameter matrix in general, splitting
421     each audio fragment into subfragments now where each subfragment uses
422 persson 830 constant pitch and filter coefficients. The volume coefficient is
423     linearly interpolated inside a subfragment, unless
424     --disable-interpolate-volume is set.)
425 persson 696 - fine tuning of the EG modulation parameters
426 persson 729 - improved filter cutoff calculation by adding support for the
427     following gig parameters: Cutoff freq (used when no cutoff
428     controller is defined), Control invert, Minimum cutoff, Velocity
429 persson 791 curve and Velocity range. The keyboard tracking now scales
430     cutoff frequency instead of resonance.
431 persson 877 - added support for gig parameter Resonance.
432 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
433 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
434     which can be overridden with --enable-global-attenuation
435 persson 783 - EG fixes: made the length of "attack hold" stage more
436     accurate. Release stage can now start before attack stage
437 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
438     time now has a minimal value to prevent clicks.
439 persson 799 - fixed pitch changes larger than one octave
440 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
441     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
442     all modes can be altered via standard GM messages, that is CC5 for
443     altering portamento time, CC65 for enabling / disabling portamento
444     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
445 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
446     parameter) and crossfade
447 persson 831 - added support for the "attenuation controller threshold" gig
448     parameter
449 persson 832 - added smoothing of volume changes caused by control change
450     messages
451 persson 865 - sample loop parameters are now taken from the DimensionRegion
452     instead of the wave chunk
453     - fixed keyswitching for v3 gigs with a number of keyswitch splits
454     not equal to a power of two
455 persson 877 - reimplementation of the filter algorithm. The new filter is more
456     accurate and supports all gig filter types, including bandreject
457     and lowpass turbo.
458 persson 903 - real support for 24 bit samples - samples are not truncated to
459     16 bits anymore
460     - support for aftertouch (channel pressure, not polyphonic
461     aftertouch)
462 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
463     amplifying from 0)
464 persson 696
465 schoenebeck 711 * LSCP server:
466     - fixed application exit on broken pipe error (fixes bug #20)
467 iliev 793 - fixed the notification messages delay due to lack of
468     network activity (fixes bug #26)
469 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
470     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
471 schoenebeck 711
472 schoenebeck 838 * audio driver:
473     - added aRts audio output driver (by no means RT safe)
474    
475 schoenebeck 775 * MIDI driver:
476     - fixed legacy sysex code which caused dispatching of MIDI SysEx
477     messages several times instead of once
478 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
479     for events (i.e. for offline rendering based MIDI drivers)
480 persson 922 - added checks for bad MIDI data
481 schoenebeck 775
482 schoenebeck 900 * linuxsampler application:
483     - show available sampler engine types on startup
484    
485 schoenebeck 705 * general changes:
486     - support for muting sampler channels and solo mode of the same, two new
487     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
488     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
489     introduced for this, the behavior is the same like on a mixer console
490 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
491     --enable-process-muted-channels which can be used to enable the
492     processing of muted channels.
493 iliev 777 - support for sostenuto pedal
494 iliev 779 - support for monitoring the total number of active voices
495 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
496     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
497 persson 835 - fixed some memory management errors
498 persson 841 - fixed some concurrency problems that could lead to crashes when
499     LSCP commands were executed
500 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
501     sampler channel (fixes bug #36)
502 schoenebeck 705
503 schoenebeck 692 Version 0.3.3 (15 July 2005)
504 schoenebeck 686
505     * packaging changes:
506     - fixed compilation with gcc 4.0
507    
508 schoenebeck 687 * Gigasampler format engine:
509     - LFO preprocessing was performed even though the respective LFO was
510     disabled by the instrument patch (minor efficiency fix)
511 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
512     for volume ramp downs in the same fragment (needed for current voice
513     stealing implementation) then simply inform the user with a warning
514     about possible click sounds and reduce the volume ramp down
515     appropriately instead of cancelling the audio device connection
516 schoenebeck 687
517 schoenebeck 677 Version 0.3.2 (24 June 2005)
518 schoenebeck 609
519     * packaging changes:
520     - updated autotools build files to compile on OS X
521     (conditional compilation of CoreMIDI and MidiShare drivers)
522 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
523     './configure --disable-asm' (definitely not recommended)
524 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
525     - require automake (>= 1.5) for 'make -f Makefile.cvs'
526     (due to 'dist-bzip2' automake option)
527 schoenebeck 649
528     * Gigasampler format engine:
529     - support for the gig parameters for "release velocity response" curves
530     - fine tuning of the EGADSR envelope
531     - volume of release triggered samples now depends on note-on velocity,
532     note length and gig parameter "release trigger decay" instead of
533     note-off velocity.
534 schoenebeck 663 - revised voice stealing
535     (fixes crash and endless loop caused by voice stealing)
536 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
537 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
538     instead of when the respective voice is actually launched
539     (fixes undefined behavior if stolen voices belonged to a key group -
540     this case was followed by a "killed voice survived" error message)
541 schoenebeck 669 - fixed minor issue with null/silence samples
542     (those stole voices even though they don't need a voice at all which
543     resulted in "voice stealing didn't work out" messages)
544 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
545     instrument or audio output device change
546 schoenebeck 654
547 schoenebeck 620 * LSCP server:
548 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
549 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
550 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
551 schoenebeck 609
552 schoenebeck 668 * linuxsampler application:
553     - added command line parameters --lscp-addr and --lscp-port to override
554     default IP address and port of LSCP server
555    
556 schoenebeck 579 Version 0.3.1 (24 May 2005)
557    
558     * initial release

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