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Revision 1923 - (hide annotations) (download)
Sat Jun 27 16:55:41 2009 UTC (11 years, 1 month ago) by persson
File size: 30219 byte(s)
* fixed crash happening when a pitch bend event arrived at the same
  time a new instrument was loading
* fixed building with sqlite installed in a non-standard directory

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 persson 1897 - Windows: look for editor plugins and Fantasia using base
16     directory of liblinuxsampler dll
17 persson 1899 - configure script fix: removed unconditional use of SSE
18 persson 1923 - fixed building with sqlite installed in a non-standard directory
19 schoenebeck 1639
20 schoenebeck 1601 * 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 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
25     plugin DLL on Windows systems failed
26 persson 1644 - 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 schoenebeck 1653 - 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 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
33 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
34 schoenebeck 1681 - 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 persson 1748 - fixes for audio drivers with varying buffer sizes
38 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
39     VST plugin
40 iliev 1789 - notification events for stream/voice count statistics are now sent
41     only when there are actual changes
42 persson 1790 - added memory ordering constraints to improve stability on
43     multi-core and multi-cpu systems
44 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
45 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
46 schoenebeck 1830 - 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 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
50     a pointer to the launched InstrumentEditor object
51 schoenebeck 1876 - added optional 3rd party user data parameter for following
52     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
53     InstrumentEditor::Launch(),
54     InstrumentManager::LaunchInstrumentEditor()
55 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
56     model more strictly
57 persson 1895 - fixes for using large audio device buffers
58 schoenebeck 1601
59 schoenebeck 1599 * audio driver:
60     - removed the nonsense audio channel constraint (which was hard coded to
61     max. 100 audio channels) for most audio drivers
62 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
63     opposed to the LSCP specs
64 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
65     reflected the wrong value
66 persson 1644 - fixed a memory management bug in ASIO driver
67 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
68 persson 1777 - JACK: use jack_client_open instead of the deprecated
69 persson 1748 jack_client_new
70 iliev 1829 - added (experimental) CoreAudio driver
71 persson 1888 - 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 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
75     win64)
76 persson 1895 - VST: added support for sample rate and buffer size changes
77     - VST: close editor (Fantasia) when the VST is removed
78 persson 1908 - 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 persson 1917 - VST: changed number of output channels from one stereo to 16
82     stereo
83 persson 1922 - added channel routing, fxsends and midi maps to the settings
84     stored in the plugin state
85 schoenebeck 1599
86 persson 1651 * MIDI driver:
87     - added JACK MIDI driver
88 schoenebeck 1715 - 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 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
92 persson 1887 CoreMidi or AU
93 persson 1889 - fixed mingw-w64 compilation error in MME driver
94 persson 1651
95 schoenebeck 1604 * instruments database:
96 iliev 1603 - avoid time consuming samples scanning when adding instruments
97     to the instruments database
98 iliev 1727 - added support for handling lost files in the instruments database
99 iliev 1781 - Implemented option for adding instruments in separate directories
100     in the instruments database
101     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
102 persson 1908 - work-around for missing fnmatch function on Windows to make
103     instrument database compilable
104 senoner 1910 - added instrument database support on Windows
105 senoner 1911 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 senoner 1912 if no DB is present it automatically creates the .linuxsampler subdir
110     and then creates an empty DB
111 iliev 1603
112 persson 1644 * Gigasampler format engine:
113     - fixed a memory leak that could happen when a channel was deleted
114     while notes were playing
115 persson 1646 - made it possible to load an instrument even if the audio thread
116     isn't running
117 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
118     enough for piano gigs with pedal noise samples
119 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
120     respective FX send MIDI controller was used
121 schoenebeck 1724 - added support for GM global device volume SysEx message
122 schoenebeck 1762 (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 persson 1748 - 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 schoenebeck 1750 - 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 persson 1764 - made it possible to create multiple sample channels even if the
136     audio thread isn't running
137 persson 1844 - fixed crash when removing channel with active voices (#116)
138 schoenebeck 1852 - 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 schoenebeck 1857 - 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 persson 1858 - added support for the "fine tune" and "pitch bend range"
147     instrument-level gig parameters
148     - fixed minor artifacts in pitch bend handling
149 schoenebeck 1860 - added support for GS Reset SysEx message
150 persson 1862 - allow gig files to use unlimited downward pitch shifting
151     - added a limit check for upward pitch shifting
152 persson 1906 - bugfix: sometimes, when playing a note twice fast, the second
153     note was silent
154 persson 1923 - fixed crash happening when a pitch bend event arrived at the
155     same time a new instrument was loading
156 persson 1644
157 schoenebeck 1687 * 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 schoenebeck 1695 - 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 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
165     SET DB_INSTRUMENT FILE_PATH
166 iliev 1771 - 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 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
171     was incorrect
172 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
173 schoenebeck 1800 - 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 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
180     a gigedit file dialog is opened)
181 iliev 1848 - close all connections when LSCPServer is deleted
182 iliev 1882 - hard close of all sockets on exit
183 persson 1897 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
184     driver
185 schoenebeck 1687
186 iliev 1761 * Bug fixes:
187     - fixed a crash which occurs when removing a sampler channel waiting
188     to start instrument loading after another channel
189 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
190     instrument loading in progress (bug #113)
191 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
192     instrument with PERSISTENT load mode
193 iliev 1835 - 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 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
201 iliev 1847 - fixed crash when changing the audio output device of a sampler
202     channel with loaded instrument and start playing notes
203 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
204 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
205     PowerPC, which probably could cause crashes on that platform
206 persson 1889 - fixed a memory management error which could cause a crash when a
207     plugin was unloaded
208 persson 1896 - bugfix: two private structs had the same name, which could cause
209     problems if the linker chose the wrong constructor
210 iliev 1761
211    
212 schoenebeck 1560 Version 0.5.1 (6 December 2007)
213 schoenebeck 1454
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 senoner 1502 - added autoconf checks for MS Windows
219 schoenebeck 1454
220 persson 1455 * general changes:
221     - bugfix: the thread used by an editor plugin didn't die when the
222     editor closed
223 persson 1534 - 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 iliev 1541 - 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 persson 1455
242 senoner 1500 * AUDIO driver:
243 persson 1534 - added Windows ASIO low latency audio driver
244 senoner 1500
245 senoner 1485 * MIDI driver:
246 schoenebeck 1495 - added MME Windows MIDI driver
247 senoner 1485
248 schoenebeck 1471 * 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 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
253     apostrophes as well
254 schoenebeck 1525 - 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 schoenebeck 1471
260 schoenebeck 1424 Version 0.5.0 (15 October 2007)
261 schoenebeck 947
262 schoenebeck 1065 * packaging changes:
263 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
264     API header files anymore
265 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
266     the Doxygen API documentation (explicitly listed in Doxyfile.in)
267 schoenebeck 1175 - 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 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
272     parameters
273 schoenebeck 1424 - 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 schoenebeck 1065
280 schoenebeck 947 * general changes:
281     - replaced the old, confusing MIDI program change mechanism by a
282     flexible MIDI instrument mapper which allows to map arbitrary
283 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
284 schoenebeck 947 (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 schoenebeck 973 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 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
298     MIDI instrument maps, MIDI instruments, FX sends, global volume.
299 schoenebeck 990 - 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 schoenebeck 1001 - 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 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
307 iliev 1130 - Implemented new, improved notification system
308 schoenebeck 1149 - fixed compilation errors regarding OSX
309     (patch by Toshi Nagata)
310 iliev 1161 - implemented instruments database
311 iliev 1345 - added support for escape sequences to the instruments database
312 schoenebeck 1212 - 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 schoenebeck 1407 startup, added a new LSCP command:
316     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
317 schoenebeck 1212 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 schoenebeck 1321 - 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 schoenebeck 1221 - 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 schoenebeck 1233 - 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 persson 1248 - fixed some minor memory leaks
333 schoenebeck 1259 - reenabled assembly features support, at the moment only for
334     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
335 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
336     register, to avoid relocations in the text segment at runtime)
337 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
338 schoenebeck 947
339     * MIDI driver:
340     - dispatch bank select (MSB and LSB) messages
341    
342 schoenebeck 1049 * 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 persson 951 * 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 persson 1038 - 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 persson 1039 - EG fix: a release value of zero could cause noises or crash
356 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
357 persson 1046 - 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 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
361     noises or crashes
362 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
363 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
364     supplied to the configure script (fixes #46)
365 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
366     instead of a fix value
367 schoenebeck 1348 - 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 persson 951
371 schoenebeck 1244 * 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 schoenebeck 1245 - 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 schoenebeck 1389 - 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 schoenebeck 1252 - 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 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
392     settings
393 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
394     of strings were treated as being one string containing commas
395     (fixes #57)
396 schoenebeck 1244
397 iliev 959 * Bug fixes:
398     - fixed crash occurring on certain LSCP scripts (Bug 39)
399 persson 1038 - another thread safety fix for lscp "load engine" and "set
400     channel audio output device"
401 iliev 1283 - fixed a crash which occurs when reassigning the same engine
402     on a sampler channel with connected MIDI device
403 iliev 1295 - 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 iliev 1296 - 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 iliev 1297 - The active stream/voice count statistic was incorrect.
410 iliev 1298 - notification events were not been sent for some sampler
411     channel changes
412 iliev 1305 - added default min and max values to restrict the number of allowed
413     audio output channels and MIDI input ports
414 iliev 1306 - the connection to the PCM interface is now closed when destroying
415     an audio output device
416 schoenebeck 1332 - files with slash in their path or filename could not be loaded
417 iliev 959
418 schoenebeck 1221 * test cases:
419     - updated and fixed (haven't been touched in a while)
420    
421 schoenebeck 937 Version 0.4.0 (24 November 2006)
422 persson 696
423 schoenebeck 697 * packaging changes:
424 capela 868 - 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 schoenebeck 697 - 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 schoenebeck 715 - 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 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
437     provided some on his own (as CXXFLAGS)
438 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
439     messages
440 schoenebeck 852 - added compile time options to allow disabling the various audio and
441     MIDI drivers
442 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
443     (patch by Ebrahim Mayat)
444 schoenebeck 697
445 persson 696 * Gigasampler format engine:
446 schoenebeck 738 - 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 persson 830 constant pitch and filter coefficients. The volume coefficient is
451     linearly interpolated inside a subfragment, unless
452     --disable-interpolate-volume is set.)
453 persson 696 - fine tuning of the EG modulation parameters
454 persson 729 - 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 persson 791 curve and Velocity range. The keyboard tracking now scales
458     cutoff frequency instead of resonance.
459 persson 877 - added support for gig parameter Resonance.
460 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
461 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
462     which can be overridden with --enable-global-attenuation
463 persson 783 - EG fixes: made the length of "attack hold" stage more
464     accurate. Release stage can now start before attack stage
465 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
466     time now has a minimal value to prevent clicks.
467 persson 799 - fixed pitch changes larger than one octave
468 schoenebeck 829 - 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 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
474     parameter) and crossfade
475 persson 831 - added support for the "attenuation controller threshold" gig
476     parameter
477 persson 832 - added smoothing of volume changes caused by control change
478     messages
479 persson 865 - 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 persson 877 - 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 persson 903 - 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 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
491     amplifying from 0)
492 persson 696
493 schoenebeck 711 * LSCP server:
494     - fixed application exit on broken pipe error (fixes bug #20)
495 iliev 793 - fixed the notification messages delay due to lack of
496     network activity (fixes bug #26)
497 schoenebeck 826 - 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 schoenebeck 711
500 schoenebeck 838 * audio driver:
501     - added aRts audio output driver (by no means RT safe)
502    
503 schoenebeck 775 * MIDI driver:
504     - fixed legacy sysex code which caused dispatching of MIDI SysEx
505     messages several times instead of once
506 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
507     for events (i.e. for offline rendering based MIDI drivers)
508 persson 922 - added checks for bad MIDI data
509 schoenebeck 775
510 schoenebeck 900 * linuxsampler application:
511     - show available sampler engine types on startup
512    
513 schoenebeck 705 * 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 iliev 716 (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 iliev 777 - support for sostenuto pedal
522 iliev 779 - support for monitoring the total number of active voices
523 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
524     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
525 persson 835 - fixed some memory management errors
526 persson 841 - fixed some concurrency problems that could lead to crashes when
527     LSCP commands were executed
528 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
529     sampler channel (fixes bug #36)
530 schoenebeck 705
531 schoenebeck 692 Version 0.3.3 (15 July 2005)
532 schoenebeck 686
533     * packaging changes:
534     - fixed compilation with gcc 4.0
535    
536 schoenebeck 687 * Gigasampler format engine:
537     - LFO preprocessing was performed even though the respective LFO was
538     disabled by the instrument patch (minor efficiency fix)
539 schoenebeck 688 - 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 schoenebeck 687
545 schoenebeck 677 Version 0.3.2 (24 June 2005)
546 schoenebeck 609
547     * packaging changes:
548     - updated autotools build files to compile on OS X
549     (conditional compilation of CoreMIDI and MidiShare drivers)
550 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
551     './configure --disable-asm' (definitely not recommended)
552 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
553     - require automake (>= 1.5) for 'make -f Makefile.cvs'
554     (due to 'dist-bzip2' automake option)
555 schoenebeck 649
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 schoenebeck 663 - revised voice stealing
563     (fixes crash and endless loop caused by voice stealing)
564 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
565 schoenebeck 668 - 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 schoenebeck 669 - 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 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
573     instrument or audio output device change
574 schoenebeck 654
575 schoenebeck 620 * LSCP server:
576 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
577 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
578 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
579 schoenebeck 609
580 schoenebeck 668 * 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 schoenebeck 579 Version 0.3.1 (24 May 2005)
585    
586     * initial release

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