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Revision 2012 - (hide annotations) (download)
Fri Oct 23 17:53:17 2009 UTC (14 years, 5 months ago) by iliev
File size: 31845 byte(s)
* Refactoring: moved the independent code from
  the Gigasampler format engine to base classes
* SFZ format engine: experimental code (not usable yet)
* SoundFont format engine: experimental code (not usable yet)
* Fixed crash which may occur when MIDI key + transpose is out of range

1 schoenebeck 1993 Version CVS HEAD (?)
2    
3 iliev 2012 * General changes:
4     - Refactoring: moved the independent code from
5     the Gigasampler format engine to base classes
6    
7     * SFZ format engine
8     - Initial implementation (not usable yet)
9    
10     * SoundFont format engine
11     - Initial implementation (not usable yet)
12    
13     * Host plugins:
14 schoenebeck 1993 - AU bugfix: failed to destroy its audio/MIDI devices
15 iliev 1994 - Listen to all interfaces on Mac OS X (INADDR_ANY)
16 schoenebeck 1993
17     * MIDI driver:
18     - ALSA MIDI driver supports now "NAME" device parameter, for overriding
19     the ALSA sequencer client name
20    
21 iliev 2012 * Bug fixes:
22     - Fixed crash which may occur when MIDI key + transpose is out of range
23    
24 persson 1957 Version 1.0.0 (31 July 2009)
25 schoenebeck 1599
26 schoenebeck 1639 * packaging changes:
27     - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
28     causing e.g. the libgig test to fail when
29     "./configure --disable-jack-driver" was used
30     (patch by Alexis Ballier)
31 persson 1713 - fixed compilation with gcc 4.3
32 persson 1792 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
33 persson 1794 - fixed configure so it detects x86_64 (#107)
34 persson 1808 - fixes for building with newer MinGW versions
35     - fix for building with bison 2.4 (#111)
36 persson 1842 - fixed building with libgig installed in a non-standard directory
37 persson 1895 - minor fix in configure for mmsystem.h detection on MinGW
38 persson 1897 - Windows: look for editor plugins and Fantasia using base
39 schoenebeck 1928 directory of liblinuxsampler dll (look in the same directory and one
40     directory above)
41 persson 1899 - configure script fix: removed unconditional use of SSE
42 persson 1923 - fixed building with sqlite installed in a non-standard directory
43 persson 1931 - when cross-compiling, don't try to create instruments.db
44     - fix for new mingw-w64 version, which has usleep
45 schoenebeck 1639
46 schoenebeck 1601 * general changes:
47     - bugfix: on some POSIX systems instrument editor plugins refused to
48     load as we used a non-portable Linux specific struct field
49     (fixes bug #70, patch by Ronald Baljeu)
50 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
51     plugin DLL on Windows systems failed
52 persson 1644 - fixed memory leaks that occurred when liblinuxsampler was unloaded
53     - optimized the SynchronizedConfig class so it doesn't wait
54     unnecessarily long after an update
55 schoenebeck 1653 - added support for notifying instrument editors on note-on / note-off
56     events (e.g. to highlight the pressed keys on the virtual keyboard
57     of gigedit)
58 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
59 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
60 schoenebeck 1681 - fixed di-harmonic triangle LFO implementation (this LFO implementation
61     is only used by very few systems, most pick the int math
62     implementation, which is usually faster)
63 persson 1748 - fixes for audio drivers with varying buffer sizes
64 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
65     VST plugin
66 iliev 1789 - notification events for stream/voice count statistics are now sent
67     only when there are actual changes
68 persson 1790 - added memory ordering constraints to improve stability on
69     multi-core and multi-cpu systems
70 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
71 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
72 schoenebeck 1830 - automatic stacktrace mechanism is now turned off by default and can
73     be switched on by command line option "--stacktrace" (the automatic
74     stacktrace mechanism seems to be broken on most systems at the moment)
75 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
76     a pointer to the launched InstrumentEditor object
77 schoenebeck 1876 - added optional 3rd party user data parameter for following
78     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
79     InstrumentEditor::Launch(),
80     InstrumentManager::LaunchInstrumentEditor()
81 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
82     model more strictly
83 persson 1895 - fixes for using large audio device buffers
84 persson 1951 - Windows: add the installation directory to the DLL search path
85     when loading an editor plugin (solves problems with VST and
86     gigedit on systems with other GTK versions installed)
87 schoenebeck 1601
88 schoenebeck 1599 * audio driver:
89     - removed the nonsense audio channel constraint (which was hard coded to
90     max. 100 audio channels) for most audio drivers
91 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
92     opposed to the LSCP specs
93 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
94     reflected the wrong value
95 persson 1644 - fixed a memory management bug in ASIO driver
96 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
97 persson 1777 - JACK: use jack_client_open instead of the deprecated
98 persson 1748 jack_client_new
99 iliev 1829 - added (experimental) CoreAudio driver
100 persson 1888 - applied old fixes to the ASIO driver that were included in the
101     previous binary release but accidentally never committed to CVS
102     (fixes #117)
103 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
104     win64)
105 persson 1895 - VST: added support for sample rate and buffer size changes
106     - VST: close editor (Fantasia) when the VST is removed
107 persson 1908 - VST: avoid opening Fantasia more than once for each VST instance
108     - VST: export main function as "main" on Linux too (fix for
109     energyXT)
110 persson 1917 - VST: changed number of output channels from one stereo to 16
111     stereo
112 persson 1922 - added channel routing, fxsends and midi maps to the settings
113     stored in the plugin state
114 schoenebeck 1930 - performance optimization of AudioChannel::MixTo() and
115     AudioChannel::CopyTo() methods using GCC vector exensions
116     (if available)
117 persson 1951 - ASIO fixes: avoid initializing the device twice, avoid throwing
118     exception when getting parameters from a disconnected device
119 schoenebeck 1599
120 persson 1651 * MIDI driver:
121     - added JACK MIDI driver
122 schoenebeck 1715 - dispatch bank select as ordinary CC as well, the user might seriously
123     want to (mis)use it for some purpose ("fixed" in all current MIDI
124     input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
125 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
126 persson 1887 CoreMidi or AU
127 persson 1889 - fixed mingw-w64 compilation error in MME driver
128 persson 1924 - made program change handling in MIDI thread real-time safe by
129     moving the logic to a non-RT thread
130 persson 1951 - fixed minor memory leak in ALSA driver
131 persson 1651
132 schoenebeck 1604 * instruments database:
133 iliev 1603 - avoid time consuming samples scanning when adding instruments
134     to the instruments database
135 iliev 1727 - added support for handling lost files in the instruments database
136 iliev 1781 - Implemented option for adding instruments in separate directories
137     in the instruments database
138     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
139 persson 1908 - work-around for missing fnmatch function on Windows to make
140     instrument database compilable
141 schoenebeck 1930 - added instrument database support on Windows
142     works with both standalone mode and VST plugin.
143     the instruments DB file is located in
144     %USERPROFILE%\.linuxsampler\instruments.db which allows different
145     databases for each windows user
146     if no DB is present it automatically creates the .linuxsampler subdir
147     and then creates an empty DB
148 persson 1943 - fixed recursive import, which was broken on Windows
149 iliev 1603
150 persson 1644 * Gigasampler format engine:
151     - fixed a memory leak that could happen when a channel was deleted
152     while notes were playing
153 persson 1646 - made it possible to load an instrument even if the audio thread
154     isn't running
155 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
156     enough for piano gigs with pedal noise samples
157 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
158     respective FX send MIDI controller was used
159 schoenebeck 1724 - added support for GM global device volume SysEx message
160 schoenebeck 1762 (can be selected at compile time to either apply globally to the
161     whole sampler [default] or only to the sampler channels that are
162     connected to the respective MIDI input port the SysEx message arrived
163     on)
164 persson 1748 - bugfix: notes triggered at position 0 in the audio buffer were
165     sometimes wrongly killed in the same buffer, causing no sound to
166     be played
167 schoenebeck 1750 - added support for chromatic / drumkit mode Roland GS Sysex message
168     which is usally used to switch a part between chromatic sounds and
169     drumkit sounds (as opposed to their common default setting of MIDI
170     part 10 being a drumkit part and all other ones chromatic parts), in
171     LS however one can switch between the first 16 MIDI instrument maps
172     defined for the sampler
173 persson 1764 - made it possible to create multiple sample channels even if the
174     audio thread isn't running
175 persson 1844 - fixed crash when removing channel with active voices (#116)
176 schoenebeck 1852 - bugfix: on sample reference changes (instrument editor), only
177     un-cache the respective sample if it's really not used by any
178     sampler engine anymore
179     - re-cache samples in case they were changed by an instrument editor,
180     e.g. when a sample was added while playing (#82)
181 schoenebeck 1857 - fixed hanging notes which occured when note-off event had the exact
182     same time stamp as the voice's note-on event and occured both in the
183     same audio fragment cycle (fixes bug #112)
184 persson 1858 - added support for the "fine tune" and "pitch bend range"
185     instrument-level gig parameters
186     - fixed minor artifacts in pitch bend handling
187 schoenebeck 1860 - added support for GS Reset SysEx message
188 persson 1862 - allow gig files to use unlimited downward pitch shifting
189     - added a limit check for upward pitch shifting
190 persson 1906 - bugfix: sometimes, when playing a note twice fast, the second
191     note was silent
192 persson 1923 - fixed crash happening when a pitch bend event arrived at the
193     same time a new instrument was loading
194 persson 1644
195 schoenebeck 1687 * LSCP server:
196     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
197     react on MIDI data arriving on certain sampler channels (so far only
198     Note-On and Note-Off events are sent via this LSCP event)
199 schoenebeck 1695 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
200     react on MIDI data arriving on certain MIDI input devices (so far only
201     Note-On and Note-Off events are sent via this LSCP event)
202 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
203     SET DB_INSTRUMENT FILE_PATH
204 iliev 1771 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
205     frontends to send MIDI messages to specific sampler channel
206     - added two additional fields to GET FILE INSTRUMENT INFO command -
207     KEY_BINDINGS and KEYSWITCH_BINDINGS
208 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
209     was incorrect
210 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
211 schoenebeck 1800 - added new LSCP command "SET VOICES" to globally alter the maximum
212     amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
213     be triggered respectively
214     - added new LSCP command "SET STREAMS" to globally alter the maximum
215     amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
216     which will be triggered respectively
217 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
218     a gigedit file dialog is opened)
219 iliev 1848 - close all connections when LSCPServer is deleted
220 iliev 1882 - hard close of all sockets on exit
221 persson 1897 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
222     driver
223 schoenebeck 1687
224 iliev 1761 * Bug fixes:
225     - fixed a crash which occurs when removing a sampler channel waiting
226     to start instrument loading after another channel
227 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
228     instrument loading in progress (bug #113)
229 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
230     instrument with PERSISTENT load mode
231 iliev 1835 - fixed possible iterator invalidations when resetting the sampler
232     - fixed memory leaks when issuing the following LSCP commands:
233     GET AUDIO_OUTPUT_DRIVER INFO
234     GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
235     GET MIDI_INPUT_DRIVER INFO
236     GET MIDI_INPUT_DRIVER_PARAMETER INFO
237     - fixed possible compilation error when sqlite is not present
238 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
239 iliev 1847 - fixed crash when changing the audio output device of a sampler
240     channel with loaded instrument and start playing notes
241 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
242 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
243     PowerPC, which probably could cause crashes on that platform
244 persson 1889 - fixed a memory management error which could cause a crash when a
245     plugin was unloaded
246 persson 1896 - bugfix: two private structs had the same name, which could cause
247     problems if the linker chose the wrong constructor
248 persson 1933 - fixed low-level ConditionServer usage bug that caused lockups on
249     Windows
250 iliev 1761
251    
252 schoenebeck 1560 Version 0.5.1 (6 December 2007)
253 schoenebeck 1454
254     * packaging changes:
255     - added autoconf checks for pthread library
256     - added autoconf check for pthread bug found on certain NPTL-enabled
257     glibc versions (see Gentoo bug report #194076)
258 senoner 1502 - added autoconf checks for MS Windows
259 schoenebeck 1454
260 persson 1455 * general changes:
261     - bugfix: the thread used by an editor plugin didn't die when the
262     editor closed
263 persson 1534 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
264     out all the space. operator--() did not apply size_mask after
265     decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
266     order to avoid problems with the _NonVolatileReader functions.
267     - bugfix: Stream.h: added a missing divide by BytesPerSample in
268     GetWriteSpace(). Since this function is currently only used in
269     the stream's qsort() compare function, it didn't trigger any
270     bugs.
271     - Resampler.h, Synthesizer.h: cubic interpolation now works in
272     24bit mode too. Faster method to read 24bit words on little
273     endian machines (x86): replaced 3 byte reads + shifts with a 1
274     unaligned 32bit read and shift
275     - experimental support for MS Windows (MIDI input via MME, AUDIO
276     output via ASIO)
277     - made handling of SIGINT signal (Ctrl-C) a bit more robust
278 iliev 1541 - support for monitoring the total number of active disk streams
279     (new LSCP commands: GET TOTAL_STREAM_COUNT,
280     SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
281 persson 1455
282 senoner 1500 * AUDIO driver:
283 persson 1534 - added Windows ASIO low latency audio driver
284 senoner 1500
285 senoner 1485 * MIDI driver:
286 schoenebeck 1495 - added MME Windows MIDI driver
287 senoner 1485
288 schoenebeck 1471 * LSCP server:
289     - added support for Windows style path / filenames, however with
290     forward slash path separators instead of backslash
291     (i.e. "C:/foo/bar.gig")
292 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
293     apostrophes as well
294 schoenebeck 1525 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
295     "LIST FILE INSTRUMENTS <file>" and
296     "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
297     about an arbitrary instrument file on the system where the sampler is
298     running on
299 schoenebeck 1471
300 schoenebeck 1424 Version 0.5.0 (15 October 2007)
301 schoenebeck 947
302 schoenebeck 1065 * packaging changes:
303 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
304     API header files anymore
305 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
306     the Doxygen API documentation (explicitly listed in Doxyfile.in)
307 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
308     capable to execute our autoconf environment, thus no need anymore
309     to maintain the compile time configuration file (osx/version.h) for
310     OSX manually (patch by Toshi Nagata)
311 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
312     parameters
313 schoenebeck 1424 - global.h now only covers global definitions that are needed for the
314     C++ API header files, all implementation internal global definitions
315     are now in global_private.h
316     - atomic.h is not exposed to the C++ API anymore
317     - no need to include config.h anymore for using LS's API header files
318     - fixed warnings in API doc generation
319 schoenebeck 1065
320 schoenebeck 947 * general changes:
321     - replaced the old, confusing MIDI program change mechanism by a
322     flexible MIDI instrument mapper which allows to map arbitrary
323 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
324 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
325     loaded on the respective channel when such MIDI program change
326     messages arrive, beside that, each entry allows to define a life-time
327     strategy for the instrument, so the user can define whether the
328     instrument should i.e. be permanently loaded (to be able to switch
329     quickly among sounds) or i.e. loaded just on demand when the
330     respective program change arrives (to safe RAM space), as well as a
331     global volume factor for each entry, so the user can adjust the volume
332     dynamic of his mapped instrument collection without having to modify
333 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
334     MIDI instrument maps and assign each sampler channel individually
335     a certain map, so that i.e. separation of normal instruments and
336     drumkits is possible
337 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
338     MIDI instrument maps, MIDI instruments, FX sends, global volume.
339 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
340     due to a constant size RingBuffer FIFO which is now replaced by a
341     dynamic (unlimited) size std::list FIFO
342 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
343     output channels for being processed by external effect processors
344     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
345     controllers
346 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
347 iliev 1130 - Implemented new, improved notification system
348 schoenebeck 1149 - fixed compilation errors regarding OSX
349     (patch by Toshi Nagata)
350 iliev 1161 - implemented instruments database
351 iliev 1345 - added support for escape sequences to the instruments database
352 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
353     within the sampler's process (by using instrument editor plugins),
354     you'll notice the new "Registered instrument editors:" message on
355 schoenebeck 1407 startup, added a new LSCP command:
356     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
357 schoenebeck 1212 to spawn a matching instrument editor for the instrument on the
358     given sampler channel, the plugin path can be overridden at compile
359     time with ./configure --enable-plugin-dir=/some/dir
360 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
361     in the sampler's process to safely edit instruments while playing
362     without a crash (hopefully) by either suspending single regions
363     wherever possible or if unavoidable whole engine(s)
364 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
365     policy and priority on thread level, set a minimum stack size for
366     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
367     threads simply inherited properties of starting thread instead of
368     setting their own policy and priority
369 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
370     main process did not wait for the stack trace process to finish
371     its output
372 persson 1248 - fixed some minor memory leaks
373 schoenebeck 1259 - reenabled assembly features support, at the moment only for
374     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
375 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
376     register, to avoid relocations in the text segment at runtime)
377 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
378 schoenebeck 947
379     * MIDI driver:
380     - dispatch bank select (MSB and LSB) messages
381    
382 schoenebeck 1049 * audio driver:
383     - the ALSA audio output driver parameters now reflect the correct
384     parameter value ranges for the respective selected sound card
385     (patch by Till Wimmer, a bit fixed and extended)
386    
387 persson 951 * Gigasampler format engine:
388     - if a filter is used and EG2 finishes before EG1, let the voice
389     die when EG2 has finished (this fixes a problem with clicks and
390     voice starvation for some gigs)
391 persson 1038 - playback is no longer disabled during instrument loading
392     - all notes playing on a channel that changes its instrument keep
393     playing with the old instrument until they get a note off
394     command
395 persson 1039 - EG fix: a release value of zero could cause noises or crash
396 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
397 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
398     above max sustain level, which means that there is a decay phase
399     even if sustain is 100%
400 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
401     noises or crashes
402 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
403 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
404     supplied to the configure script (fixes #46)
405 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
406     instead of a fix value
407 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
408     127 (solo mode) only kill voices if the respective mode really
409     changed
410 persson 951
411 schoenebeck 1244 * LSCP server:
412     - fixed compile time error for old Bison versions
413     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
414 schoenebeck 1245 - parser now supports extended ASCII character set
415     (up to ASCII code 255, i.e. includes now umlauts and accents)
416     - filename arguments in LSCP commands now allow to use escape
417     sequences, that is directly literal as one of: \', \", \\, \n, \r,
418     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
419     code value like \xf2) (fixes bug #24)
420 schoenebeck 1389 - the following LSCP commands now also support escape sequences for at
421     least one of their text-based parameters (i.e. name, description):
422     "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
423     "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
424     "SET DB_INSTRUMENT_DIRECTORY NAME",
425     "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
426     "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
427     "FIND DB_INSTRUMENT_DIRECTORIES"
428 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
429     occured, the unexpected character and the actually expected, possible
430     character(s), the latter only if less than 5 possibilities)
431 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
432     settings
433 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
434     of strings were treated as being one string containing commas
435     (fixes #57)
436 schoenebeck 1244
437 iliev 959 * Bug fixes:
438     - fixed crash occurring on certain LSCP scripts (Bug 39)
439 persson 1038 - another thread safety fix for lscp "load engine" and "set
440     channel audio output device"
441 iliev 1283 - fixed a crash which occurs when reassigning the same engine
442     on a sampler channel with connected MIDI device
443 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
444     device connected to a sampler channel to number less then or equal
445     to the index of the port to which the sampler channel is connected.
446 iliev 1296 - The previous bindings were not been disconnected when altering
447     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
448     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
449 iliev 1297 - The active stream/voice count statistic was incorrect.
450 iliev 1298 - notification events were not been sent for some sampler
451     channel changes
452 iliev 1305 - added default min and max values to restrict the number of allowed
453     audio output channels and MIDI input ports
454 iliev 1306 - the connection to the PCM interface is now closed when destroying
455     an audio output device
456 schoenebeck 1332 - files with slash in their path or filename could not be loaded
457 iliev 959
458 schoenebeck 1221 * test cases:
459     - updated and fixed (haven't been touched in a while)
460    
461 schoenebeck 937 Version 0.4.0 (24 November 2006)
462 persson 696
463 schoenebeck 697 * packaging changes:
464 capela 868 - changed deprecated copyright attribute to license; added ldconfig
465     to post-(un)install steps; added devel package for liblinuxsampler;
466     to linuxsampler.spec (RPM)
467 schoenebeck 697 - install necessary development header files for allowing 3rd party
468     applications to link against liblinuxsampler
469     - liblinuxsampler's API documentation can be generated with 'make docs'
470     (Doxygen required)
471 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
472     implementation (currently either an integer math solution or a
473     di-harmonic approximation), automatic detection can be overriden
474     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
475     configure script argument though (mandatory for cross-compilation)
476 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
477     provided some on his own (as CXXFLAGS)
478 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
479     messages
480 schoenebeck 852 - added compile time options to allow disabling the various audio and
481     MIDI drivers
482 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
483     (patch by Ebrahim Mayat)
484 schoenebeck 697
485 persson 696 * Gigasampler format engine:
486 schoenebeck 738 - extensive synthesis optimization
487     (reimplementation of EGs and LFO(s), removed synthesis parameter
488     prerendering and the synthesis parameter matrix in general, splitting
489     each audio fragment into subfragments now where each subfragment uses
490 persson 830 constant pitch and filter coefficients. The volume coefficient is
491     linearly interpolated inside a subfragment, unless
492     --disable-interpolate-volume is set.)
493 persson 696 - fine tuning of the EG modulation parameters
494 persson 729 - improved filter cutoff calculation by adding support for the
495     following gig parameters: Cutoff freq (used when no cutoff
496     controller is defined), Control invert, Minimum cutoff, Velocity
497 persson 791 curve and Velocity range. The keyboard tracking now scales
498     cutoff frequency instead of resonance.
499 persson 877 - added support for gig parameter Resonance.
500 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
501 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
502     which can be overridden with --enable-global-attenuation
503 persson 783 - EG fixes: made the length of "attack hold" stage more
504     accurate. Release stage can now start before attack stage
505 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
506     time now has a minimal value to prevent clicks.
507 persson 799 - fixed pitch changes larger than one octave
508 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
509     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
510     all modes can be altered via standard GM messages, that is CC5 for
511     altering portamento time, CC65 for enabling / disabling portamento
512     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
513 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
514     parameter) and crossfade
515 persson 831 - added support for the "attenuation controller threshold" gig
516     parameter
517 persson 832 - added smoothing of volume changes caused by control change
518     messages
519 persson 865 - sample loop parameters are now taken from the DimensionRegion
520     instead of the wave chunk
521     - fixed keyswitching for v3 gigs with a number of keyswitch splits
522     not equal to a power of two
523 persson 877 - reimplementation of the filter algorithm. The new filter is more
524     accurate and supports all gig filter types, including bandreject
525     and lowpass turbo.
526 persson 903 - real support for 24 bit samples - samples are not truncated to
527     16 bits anymore
528     - support for aftertouch (channel pressure, not polyphonic
529     aftertouch)
530 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
531     amplifying from 0)
532 persson 696
533 schoenebeck 711 * LSCP server:
534     - fixed application exit on broken pipe error (fixes bug #20)
535 iliev 793 - fixed the notification messages delay due to lack of
536     network activity (fixes bug #26)
537 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
538     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
539 schoenebeck 711
540 schoenebeck 838 * audio driver:
541     - added aRts audio output driver (by no means RT safe)
542    
543 schoenebeck 775 * MIDI driver:
544     - fixed legacy sysex code which caused dispatching of MIDI SysEx
545     messages several times instead of once
546 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
547     for events (i.e. for offline rendering based MIDI drivers)
548 persson 922 - added checks for bad MIDI data
549 schoenebeck 775
550 schoenebeck 900 * linuxsampler application:
551     - show available sampler engine types on startup
552    
553 schoenebeck 705 * general changes:
554     - support for muting sampler channels and solo mode of the same, two new
555     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
556     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
557     introduced for this, the behavior is the same like on a mixer console
558 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
559     --enable-process-muted-channels which can be used to enable the
560     processing of muted channels.
561 iliev 777 - support for sostenuto pedal
562 iliev 779 - support for monitoring the total number of active voices
563 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
564     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
565 persson 835 - fixed some memory management errors
566 persson 841 - fixed some concurrency problems that could lead to crashes when
567     LSCP commands were executed
568 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
569     sampler channel (fixes bug #36)
570 schoenebeck 705
571 schoenebeck 692 Version 0.3.3 (15 July 2005)
572 schoenebeck 686
573     * packaging changes:
574     - fixed compilation with gcc 4.0
575    
576 schoenebeck 687 * Gigasampler format engine:
577     - LFO preprocessing was performed even though the respective LFO was
578     disabled by the instrument patch (minor efficiency fix)
579 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
580     for volume ramp downs in the same fragment (needed for current voice
581     stealing implementation) then simply inform the user with a warning
582     about possible click sounds and reduce the volume ramp down
583     appropriately instead of cancelling the audio device connection
584 schoenebeck 687
585 schoenebeck 677 Version 0.3.2 (24 June 2005)
586 schoenebeck 609
587     * packaging changes:
588     - updated autotools build files to compile on OS X
589     (conditional compilation of CoreMIDI and MidiShare drivers)
590 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
591     './configure --disable-asm' (definitely not recommended)
592 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
593     - require automake (>= 1.5) for 'make -f Makefile.cvs'
594     (due to 'dist-bzip2' automake option)
595 schoenebeck 649
596     * Gigasampler format engine:
597     - support for the gig parameters for "release velocity response" curves
598     - fine tuning of the EGADSR envelope
599     - volume of release triggered samples now depends on note-on velocity,
600     note length and gig parameter "release trigger decay" instead of
601     note-off velocity.
602 schoenebeck 663 - revised voice stealing
603     (fixes crash and endless loop caused by voice stealing)
604 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
605 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
606     instead of when the respective voice is actually launched
607     (fixes undefined behavior if stolen voices belonged to a key group -
608     this case was followed by a "killed voice survived" error message)
609 schoenebeck 669 - fixed minor issue with null/silence samples
610     (those stole voices even though they don't need a voice at all which
611     resulted in "voice stealing didn't work out" messages)
612 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
613     instrument or audio output device change
614 schoenebeck 654
615 schoenebeck 620 * LSCP server:
616 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
617 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
618 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
619 schoenebeck 609
620 schoenebeck 668 * linuxsampler application:
621     - added command line parameters --lscp-addr and --lscp-port to override
622     default IP address and port of LSCP server
623    
624 schoenebeck 579 Version 0.3.1 (24 May 2005)
625    
626     * initial release

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