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Sun May 30 11:40:31 2010 UTC (9 years, 6 months ago) by persson
File size: 34213 byte(s)
* sfz/sf2 engines: RT-safeness: avoid malloc in audio thread
* sfz/sf2 engines: fixed a bug that could cause voice stealing to fail

1 schoenebeck 1993 Version CVS HEAD (?)
2    
3 persson 2086 * packaging changes:
4     - fixed building with newer MinGW-w64
5    
6     * general changes:
7 iliev 2012 - Refactoring: moved the independent code from
8     the Gigasampler format engine to base classes
9 schoenebeck 2047 - command line option '--profile' is currently disabled, since the
10     respective profiling code is currently broken
11 schoenebeck 2053 - Introduced support for optional environment variable
12     "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
13     where the sampler shall look for instrument editor plugins
14     (patch by Luis Garrido, slightly modified).
15 iliev 2012
16 persson 2043 * Gigasampler format engine:
17     - implemented the "round robin keyboard" dimension
18     - fixed round robin and random dimensions for cases when number of
19     dimension zones is not a power of two
20     - made round robin use a counter for each region instead of each
21     key
22    
23 schoenebeck 2047 * SFZ format engine:
24 iliev 2012 - Initial implementation (not usable yet)
25 persson 2055 - added support for v2 multiple stage envelope generators
26     - added a fine-tuned v1 envelope generator instead of using the
27     one from the gig engine
28 persson 2058 - fixed memory leak and memory handling errors
29 persson 2061 - added support for trigger=first, trigger=legato and sw_previous
30 persson 2058 - allow non-numerical key values ("C#4" for example)
31     - "key" opcode now sets pitch_keycenter too
32     - fixed error when unloading instrument with same sample used by
33     multiple regions
34     - added some opcode aliases, like loopmode for loop_mode, to be
35     more compatible
36 persson 2061 - added support for trigger=release and rt_decay
37 persson 2063 - added support for off_mode=normal
38 persson 2072 - added support for random, seq_position, seq_length and volume
39     - added v1 LFO opcodes to parser (no support in engine yet)
40 persson 2082 - added support for amp_veltrack and amp_velcurve_N
41     - fine-tuned the default velocity curve
42 persson 2086 - added support for transpose
43     - fixed crash when using sw_down/up
44     - improved logic for sw_lokey/hikey/up/down/last
45     - added more v1 aliases to parser
46 persson 2091 - reduced memory usage for sfz data
47 persson 2101 - RT-safeness: avoid malloc in audio thread
48     - fixed a bug that could cause voice stealing to fail
49 iliev 2012
50 schoenebeck 2047 * SoundFont format engine:
51 iliev 2012 - Initial implementation (not usable yet)
52 persson 2101 - RT-safeness: avoid malloc in audio thread
53     - fixed a bug that could cause voice stealing to fail
54 iliev 2012
55     * Host plugins:
56 schoenebeck 1993 - AU bugfix: failed to destroy its audio/MIDI devices
57 iliev 1994 - Listen to all interfaces on Mac OS X (INADDR_ANY)
58 persson 2045 - VST bugfix: If the host called resume() before and after
59     changing sample rate or block size, the number of channels was
60     incorrectly set to two. This caused silence in Cubase 5.
61 schoenebeck 1993
62     * MIDI driver:
63     - ALSA MIDI driver supports now "NAME" device parameter, for overriding
64     the ALSA sequencer client name
65    
66 schoenebeck 2024 * LSCP server:
67     - added support for sending MIDI CC messages via LSCP command
68     "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
69    
70 iliev 2012 * Bug fixes:
71     - Fixed crash which may occur when MIDI key + transpose is out of range
72    
73 persson 1957 Version 1.0.0 (31 July 2009)
74 schoenebeck 1599
75 schoenebeck 1639 * packaging changes:
76     - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
77     causing e.g. the libgig test to fail when
78     "./configure --disable-jack-driver" was used
79     (patch by Alexis Ballier)
80 persson 1713 - fixed compilation with gcc 4.3
81 persson 1792 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
82 persson 1794 - fixed configure so it detects x86_64 (#107)
83 persson 1808 - fixes for building with newer MinGW versions
84     - fix for building with bison 2.4 (#111)
85 persson 1842 - fixed building with libgig installed in a non-standard directory
86 persson 1895 - minor fix in configure for mmsystem.h detection on MinGW
87 persson 1897 - Windows: look for editor plugins and Fantasia using base
88 schoenebeck 1928 directory of liblinuxsampler dll (look in the same directory and one
89     directory above)
90 persson 1899 - configure script fix: removed unconditional use of SSE
91 persson 1923 - fixed building with sqlite installed in a non-standard directory
92 persson 1931 - when cross-compiling, don't try to create instruments.db
93     - fix for new mingw-w64 version, which has usleep
94 schoenebeck 1639
95 schoenebeck 1601 * general changes:
96     - bugfix: on some POSIX systems instrument editor plugins refused to
97     load as we used a non-portable Linux specific struct field
98     (fixes bug #70, patch by Ronald Baljeu)
99 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
100     plugin DLL on Windows systems failed
101 persson 1644 - fixed memory leaks that occurred when liblinuxsampler was unloaded
102     - optimized the SynchronizedConfig class so it doesn't wait
103     unnecessarily long after an update
104 schoenebeck 1653 - added support for notifying instrument editors on note-on / note-off
105     events (e.g. to highlight the pressed keys on the virtual keyboard
106     of gigedit)
107 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
108 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
109 schoenebeck 1681 - fixed di-harmonic triangle LFO implementation (this LFO implementation
110     is only used by very few systems, most pick the int math
111     implementation, which is usually faster)
112 persson 1748 - fixes for audio drivers with varying buffer sizes
113 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
114     VST plugin
115 iliev 1789 - notification events for stream/voice count statistics are now sent
116     only when there are actual changes
117 persson 1790 - added memory ordering constraints to improve stability on
118     multi-core and multi-cpu systems
119 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
120 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
121 schoenebeck 1830 - automatic stacktrace mechanism is now turned off by default and can
122     be switched on by command line option "--stacktrace" (the automatic
123     stacktrace mechanism seems to be broken on most systems at the moment)
124 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
125     a pointer to the launched InstrumentEditor object
126 schoenebeck 1876 - added optional 3rd party user data parameter for following
127     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
128     InstrumentEditor::Launch(),
129     InstrumentManager::LaunchInstrumentEditor()
130 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
131     model more strictly
132 persson 1895 - fixes for using large audio device buffers
133 persson 1951 - Windows: add the installation directory to the DLL search path
134     when loading an editor plugin (solves problems with VST and
135     gigedit on systems with other GTK versions installed)
136 schoenebeck 1601
137 schoenebeck 1599 * audio driver:
138     - removed the nonsense audio channel constraint (which was hard coded to
139     max. 100 audio channels) for most audio drivers
140 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
141     opposed to the LSCP specs
142 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
143     reflected the wrong value
144 persson 1644 - fixed a memory management bug in ASIO driver
145 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
146 persson 1777 - JACK: use jack_client_open instead of the deprecated
147 persson 1748 jack_client_new
148 iliev 1829 - added (experimental) CoreAudio driver
149 persson 1888 - applied old fixes to the ASIO driver that were included in the
150     previous binary release but accidentally never committed to CVS
151     (fixes #117)
152 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
153     win64)
154 persson 1895 - VST: added support for sample rate and buffer size changes
155     - VST: close editor (Fantasia) when the VST is removed
156 persson 1908 - VST: avoid opening Fantasia more than once for each VST instance
157     - VST: export main function as "main" on Linux too (fix for
158     energyXT)
159 persson 1917 - VST: changed number of output channels from one stereo to 16
160     stereo
161 persson 1922 - added channel routing, fxsends and midi maps to the settings
162     stored in the plugin state
163 schoenebeck 1930 - performance optimization of AudioChannel::MixTo() and
164     AudioChannel::CopyTo() methods using GCC vector exensions
165     (if available)
166 persson 1951 - ASIO fixes: avoid initializing the device twice, avoid throwing
167     exception when getting parameters from a disconnected device
168 schoenebeck 1599
169 persson 1651 * MIDI driver:
170     - added JACK MIDI driver
171 schoenebeck 1715 - dispatch bank select as ordinary CC as well, the user might seriously
172     want to (mis)use it for some purpose ("fixed" in all current MIDI
173     input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
174 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
175 persson 1887 CoreMidi or AU
176 persson 1889 - fixed mingw-w64 compilation error in MME driver
177 persson 1924 - made program change handling in MIDI thread real-time safe by
178     moving the logic to a non-RT thread
179 persson 1951 - fixed minor memory leak in ALSA driver
180 persson 1651
181 schoenebeck 1604 * instruments database:
182 iliev 1603 - avoid time consuming samples scanning when adding instruments
183     to the instruments database
184 iliev 1727 - added support for handling lost files in the instruments database
185 iliev 1781 - Implemented option for adding instruments in separate directories
186     in the instruments database
187     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
188 persson 1908 - work-around for missing fnmatch function on Windows to make
189     instrument database compilable
190 schoenebeck 1930 - added instrument database support on Windows
191     works with both standalone mode and VST plugin.
192     the instruments DB file is located in
193     %USERPROFILE%\.linuxsampler\instruments.db which allows different
194     databases for each windows user
195     if no DB is present it automatically creates the .linuxsampler subdir
196     and then creates an empty DB
197 persson 1943 - fixed recursive import, which was broken on Windows
198 iliev 1603
199 persson 1644 * Gigasampler format engine:
200     - fixed a memory leak that could happen when a channel was deleted
201     while notes were playing
202 persson 1646 - made it possible to load an instrument even if the audio thread
203     isn't running
204 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
205     enough for piano gigs with pedal noise samples
206 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
207     respective FX send MIDI controller was used
208 schoenebeck 1724 - added support for GM global device volume SysEx message
209 schoenebeck 1762 (can be selected at compile time to either apply globally to the
210     whole sampler [default] or only to the sampler channels that are
211     connected to the respective MIDI input port the SysEx message arrived
212     on)
213 persson 1748 - bugfix: notes triggered at position 0 in the audio buffer were
214     sometimes wrongly killed in the same buffer, causing no sound to
215     be played
216 schoenebeck 1750 - added support for chromatic / drumkit mode Roland GS Sysex message
217     which is usally used to switch a part between chromatic sounds and
218     drumkit sounds (as opposed to their common default setting of MIDI
219     part 10 being a drumkit part and all other ones chromatic parts), in
220     LS however one can switch between the first 16 MIDI instrument maps
221     defined for the sampler
222 persson 1764 - made it possible to create multiple sample channels even if the
223     audio thread isn't running
224 persson 1844 - fixed crash when removing channel with active voices (#116)
225 schoenebeck 1852 - bugfix: on sample reference changes (instrument editor), only
226     un-cache the respective sample if it's really not used by any
227     sampler engine anymore
228     - re-cache samples in case they were changed by an instrument editor,
229     e.g. when a sample was added while playing (#82)
230 schoenebeck 1857 - fixed hanging notes which occured when note-off event had the exact
231     same time stamp as the voice's note-on event and occured both in the
232     same audio fragment cycle (fixes bug #112)
233 persson 1858 - added support for the "fine tune" and "pitch bend range"
234     instrument-level gig parameters
235     - fixed minor artifacts in pitch bend handling
236 schoenebeck 1860 - added support for GS Reset SysEx message
237 persson 1862 - allow gig files to use unlimited downward pitch shifting
238     - added a limit check for upward pitch shifting
239 persson 1906 - bugfix: sometimes, when playing a note twice fast, the second
240     note was silent
241 persson 1923 - fixed crash happening when a pitch bend event arrived at the
242     same time a new instrument was loading
243 persson 1644
244 schoenebeck 1687 * LSCP server:
245     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
246     react on MIDI data arriving on certain sampler channels (so far only
247     Note-On and Note-Off events are sent via this LSCP event)
248 schoenebeck 1695 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
249     react on MIDI data arriving on certain MIDI input devices (so far only
250     Note-On and Note-Off events are sent via this LSCP event)
251 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
252     SET DB_INSTRUMENT FILE_PATH
253 iliev 1771 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
254     frontends to send MIDI messages to specific sampler channel
255     - added two additional fields to GET FILE INSTRUMENT INFO command -
256     KEY_BINDINGS and KEYSWITCH_BINDINGS
257 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
258     was incorrect
259 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
260 schoenebeck 1800 - added new LSCP command "SET VOICES" to globally alter the maximum
261     amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
262     be triggered respectively
263     - added new LSCP command "SET STREAMS" to globally alter the maximum
264     amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
265     which will be triggered respectively
266 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
267     a gigedit file dialog is opened)
268 iliev 1848 - close all connections when LSCPServer is deleted
269 iliev 1882 - hard close of all sockets on exit
270 persson 1897 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
271     driver
272 schoenebeck 1687
273 iliev 1761 * Bug fixes:
274     - fixed a crash which occurs when removing a sampler channel waiting
275     to start instrument loading after another channel
276 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
277     instrument loading in progress (bug #113)
278 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
279     instrument with PERSISTENT load mode
280 iliev 1835 - fixed possible iterator invalidations when resetting the sampler
281     - fixed memory leaks when issuing the following LSCP commands:
282     GET AUDIO_OUTPUT_DRIVER INFO
283     GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
284     GET MIDI_INPUT_DRIVER INFO
285     GET MIDI_INPUT_DRIVER_PARAMETER INFO
286     - fixed possible compilation error when sqlite is not present
287 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
288 iliev 1847 - fixed crash when changing the audio output device of a sampler
289     channel with loaded instrument and start playing notes
290 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
291 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
292     PowerPC, which probably could cause crashes on that platform
293 persson 1889 - fixed a memory management error which could cause a crash when a
294     plugin was unloaded
295 persson 1896 - bugfix: two private structs had the same name, which could cause
296     problems if the linker chose the wrong constructor
297 persson 1933 - fixed low-level ConditionServer usage bug that caused lockups on
298     Windows
299 iliev 1761
300    
301 schoenebeck 1560 Version 0.5.1 (6 December 2007)
302 schoenebeck 1454
303     * packaging changes:
304     - added autoconf checks for pthread library
305     - added autoconf check for pthread bug found on certain NPTL-enabled
306     glibc versions (see Gentoo bug report #194076)
307 senoner 1502 - added autoconf checks for MS Windows
308 schoenebeck 1454
309 persson 1455 * general changes:
310     - bugfix: the thread used by an editor plugin didn't die when the
311     editor closed
312 persson 1534 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
313     out all the space. operator--() did not apply size_mask after
314     decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
315     order to avoid problems with the _NonVolatileReader functions.
316     - bugfix: Stream.h: added a missing divide by BytesPerSample in
317     GetWriteSpace(). Since this function is currently only used in
318     the stream's qsort() compare function, it didn't trigger any
319     bugs.
320     - Resampler.h, Synthesizer.h: cubic interpolation now works in
321     24bit mode too. Faster method to read 24bit words on little
322     endian machines (x86): replaced 3 byte reads + shifts with a 1
323     unaligned 32bit read and shift
324     - experimental support for MS Windows (MIDI input via MME, AUDIO
325     output via ASIO)
326     - made handling of SIGINT signal (Ctrl-C) a bit more robust
327 iliev 1541 - support for monitoring the total number of active disk streams
328     (new LSCP commands: GET TOTAL_STREAM_COUNT,
329     SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
330 persson 1455
331 senoner 1500 * AUDIO driver:
332 persson 1534 - added Windows ASIO low latency audio driver
333 senoner 1500
334 senoner 1485 * MIDI driver:
335 schoenebeck 1495 - added MME Windows MIDI driver
336 senoner 1485
337 schoenebeck 1471 * LSCP server:
338     - added support for Windows style path / filenames, however with
339     forward slash path separators instead of backslash
340     (i.e. "C:/foo/bar.gig")
341 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
342     apostrophes as well
343 schoenebeck 1525 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
344     "LIST FILE INSTRUMENTS <file>" and
345     "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
346     about an arbitrary instrument file on the system where the sampler is
347     running on
348 schoenebeck 1471
349 schoenebeck 1424 Version 0.5.0 (15 October 2007)
350 schoenebeck 947
351 schoenebeck 1065 * packaging changes:
352 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
353     API header files anymore
354 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
355     the Doxygen API documentation (explicitly listed in Doxyfile.in)
356 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
357     capable to execute our autoconf environment, thus no need anymore
358     to maintain the compile time configuration file (osx/version.h) for
359     OSX manually (patch by Toshi Nagata)
360 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
361     parameters
362 schoenebeck 1424 - global.h now only covers global definitions that are needed for the
363     C++ API header files, all implementation internal global definitions
364     are now in global_private.h
365     - atomic.h is not exposed to the C++ API anymore
366     - no need to include config.h anymore for using LS's API header files
367     - fixed warnings in API doc generation
368 schoenebeck 1065
369 schoenebeck 947 * general changes:
370     - replaced the old, confusing MIDI program change mechanism by a
371     flexible MIDI instrument mapper which allows to map arbitrary
372 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
373 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
374     loaded on the respective channel when such MIDI program change
375     messages arrive, beside that, each entry allows to define a life-time
376     strategy for the instrument, so the user can define whether the
377     instrument should i.e. be permanently loaded (to be able to switch
378     quickly among sounds) or i.e. loaded just on demand when the
379     respective program change arrives (to safe RAM space), as well as a
380     global volume factor for each entry, so the user can adjust the volume
381     dynamic of his mapped instrument collection without having to modify
382 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
383     MIDI instrument maps and assign each sampler channel individually
384     a certain map, so that i.e. separation of normal instruments and
385     drumkits is possible
386 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
387     MIDI instrument maps, MIDI instruments, FX sends, global volume.
388 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
389     due to a constant size RingBuffer FIFO which is now replaced by a
390     dynamic (unlimited) size std::list FIFO
391 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
392     output channels for being processed by external effect processors
393     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
394     controllers
395 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
396 iliev 1130 - Implemented new, improved notification system
397 schoenebeck 1149 - fixed compilation errors regarding OSX
398     (patch by Toshi Nagata)
399 iliev 1161 - implemented instruments database
400 iliev 1345 - added support for escape sequences to the instruments database
401 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
402     within the sampler's process (by using instrument editor plugins),
403     you'll notice the new "Registered instrument editors:" message on
404 schoenebeck 1407 startup, added a new LSCP command:
405     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
406 schoenebeck 1212 to spawn a matching instrument editor for the instrument on the
407     given sampler channel, the plugin path can be overridden at compile
408     time with ./configure --enable-plugin-dir=/some/dir
409 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
410     in the sampler's process to safely edit instruments while playing
411     without a crash (hopefully) by either suspending single regions
412     wherever possible or if unavoidable whole engine(s)
413 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
414     policy and priority on thread level, set a minimum stack size for
415     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
416     threads simply inherited properties of starting thread instead of
417     setting their own policy and priority
418 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
419     main process did not wait for the stack trace process to finish
420     its output
421 persson 1248 - fixed some minor memory leaks
422 schoenebeck 1259 - reenabled assembly features support, at the moment only for
423     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
424 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
425     register, to avoid relocations in the text segment at runtime)
426 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
427 schoenebeck 947
428     * MIDI driver:
429     - dispatch bank select (MSB and LSB) messages
430    
431 schoenebeck 1049 * audio driver:
432     - the ALSA audio output driver parameters now reflect the correct
433     parameter value ranges for the respective selected sound card
434     (patch by Till Wimmer, a bit fixed and extended)
435    
436 persson 951 * Gigasampler format engine:
437     - if a filter is used and EG2 finishes before EG1, let the voice
438     die when EG2 has finished (this fixes a problem with clicks and
439     voice starvation for some gigs)
440 persson 1038 - playback is no longer disabled during instrument loading
441     - all notes playing on a channel that changes its instrument keep
442     playing with the old instrument until they get a note off
443     command
444 persson 1039 - EG fix: a release value of zero could cause noises or crash
445 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
446 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
447     above max sustain level, which means that there is a decay phase
448     even if sustain is 100%
449 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
450     noises or crashes
451 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
452 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
453     supplied to the configure script (fixes #46)
454 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
455     instead of a fix value
456 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
457     127 (solo mode) only kill voices if the respective mode really
458     changed
459 persson 951
460 schoenebeck 1244 * LSCP server:
461     - fixed compile time error for old Bison versions
462     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
463 schoenebeck 1245 - parser now supports extended ASCII character set
464     (up to ASCII code 255, i.e. includes now umlauts and accents)
465     - filename arguments in LSCP commands now allow to use escape
466     sequences, that is directly literal as one of: \', \", \\, \n, \r,
467     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
468     code value like \xf2) (fixes bug #24)
469 schoenebeck 1389 - the following LSCP commands now also support escape sequences for at
470     least one of their text-based parameters (i.e. name, description):
471     "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
472     "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
473     "SET DB_INSTRUMENT_DIRECTORY NAME",
474     "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
475     "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
476     "FIND DB_INSTRUMENT_DIRECTORIES"
477 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
478     occured, the unexpected character and the actually expected, possible
479     character(s), the latter only if less than 5 possibilities)
480 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
481     settings
482 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
483     of strings were treated as being one string containing commas
484     (fixes #57)
485 schoenebeck 1244
486 iliev 959 * Bug fixes:
487     - fixed crash occurring on certain LSCP scripts (Bug 39)
488 persson 1038 - another thread safety fix for lscp "load engine" and "set
489     channel audio output device"
490 iliev 1283 - fixed a crash which occurs when reassigning the same engine
491     on a sampler channel with connected MIDI device
492 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
493     device connected to a sampler channel to number less then or equal
494     to the index of the port to which the sampler channel is connected.
495 iliev 1296 - The previous bindings were not been disconnected when altering
496     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
497     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
498 iliev 1297 - The active stream/voice count statistic was incorrect.
499 iliev 1298 - notification events were not been sent for some sampler
500     channel changes
501 iliev 1305 - added default min and max values to restrict the number of allowed
502     audio output channels and MIDI input ports
503 iliev 1306 - the connection to the PCM interface is now closed when destroying
504     an audio output device
505 schoenebeck 1332 - files with slash in their path or filename could not be loaded
506 iliev 959
507 schoenebeck 1221 * test cases:
508     - updated and fixed (haven't been touched in a while)
509    
510 schoenebeck 937 Version 0.4.0 (24 November 2006)
511 persson 696
512 schoenebeck 697 * packaging changes:
513 capela 868 - changed deprecated copyright attribute to license; added ldconfig
514     to post-(un)install steps; added devel package for liblinuxsampler;
515     to linuxsampler.spec (RPM)
516 schoenebeck 697 - install necessary development header files for allowing 3rd party
517     applications to link against liblinuxsampler
518     - liblinuxsampler's API documentation can be generated with 'make docs'
519     (Doxygen required)
520 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
521     implementation (currently either an integer math solution or a
522     di-harmonic approximation), automatic detection can be overriden
523     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
524     configure script argument though (mandatory for cross-compilation)
525 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
526     provided some on his own (as CXXFLAGS)
527 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
528     messages
529 schoenebeck 852 - added compile time options to allow disabling the various audio and
530     MIDI drivers
531 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
532     (patch by Ebrahim Mayat)
533 schoenebeck 697
534 persson 696 * Gigasampler format engine:
535 schoenebeck 738 - extensive synthesis optimization
536     (reimplementation of EGs and LFO(s), removed synthesis parameter
537     prerendering and the synthesis parameter matrix in general, splitting
538     each audio fragment into subfragments now where each subfragment uses
539 persson 830 constant pitch and filter coefficients. The volume coefficient is
540     linearly interpolated inside a subfragment, unless
541     --disable-interpolate-volume is set.)
542 persson 696 - fine tuning of the EG modulation parameters
543 persson 729 - improved filter cutoff calculation by adding support for the
544     following gig parameters: Cutoff freq (used when no cutoff
545     controller is defined), Control invert, Minimum cutoff, Velocity
546 persson 791 curve and Velocity range. The keyboard tracking now scales
547     cutoff frequency instead of resonance.
548 persson 877 - added support for gig parameter Resonance.
549 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
550 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
551     which can be overridden with --enable-global-attenuation
552 persson 783 - EG fixes: made the length of "attack hold" stage more
553     accurate. Release stage can now start before attack stage
554 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
555     time now has a minimal value to prevent clicks.
556 persson 799 - fixed pitch changes larger than one octave
557 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
558     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
559     all modes can be altered via standard GM messages, that is CC5 for
560     altering portamento time, CC65 for enabling / disabling portamento
561     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
562 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
563     parameter) and crossfade
564 persson 831 - added support for the "attenuation controller threshold" gig
565     parameter
566 persson 832 - added smoothing of volume changes caused by control change
567     messages
568 persson 865 - sample loop parameters are now taken from the DimensionRegion
569     instead of the wave chunk
570     - fixed keyswitching for v3 gigs with a number of keyswitch splits
571     not equal to a power of two
572 persson 877 - reimplementation of the filter algorithm. The new filter is more
573     accurate and supports all gig filter types, including bandreject
574     and lowpass turbo.
575 persson 903 - real support for 24 bit samples - samples are not truncated to
576     16 bits anymore
577     - support for aftertouch (channel pressure, not polyphonic
578     aftertouch)
579 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
580     amplifying from 0)
581 persson 696
582 schoenebeck 711 * LSCP server:
583     - fixed application exit on broken pipe error (fixes bug #20)
584 iliev 793 - fixed the notification messages delay due to lack of
585     network activity (fixes bug #26)
586 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
587     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
588 schoenebeck 711
589 schoenebeck 838 * audio driver:
590     - added aRts audio output driver (by no means RT safe)
591    
592 schoenebeck 775 * MIDI driver:
593     - fixed legacy sysex code which caused dispatching of MIDI SysEx
594     messages several times instead of once
595 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
596     for events (i.e. for offline rendering based MIDI drivers)
597 persson 922 - added checks for bad MIDI data
598 schoenebeck 775
599 schoenebeck 900 * linuxsampler application:
600     - show available sampler engine types on startup
601    
602 schoenebeck 705 * general changes:
603     - support for muting sampler channels and solo mode of the same, two new
604     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
605     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
606     introduced for this, the behavior is the same like on a mixer console
607 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
608     --enable-process-muted-channels which can be used to enable the
609     processing of muted channels.
610 iliev 777 - support for sostenuto pedal
611 iliev 779 - support for monitoring the total number of active voices
612 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
613     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
614 persson 835 - fixed some memory management errors
615 persson 841 - fixed some concurrency problems that could lead to crashes when
616     LSCP commands were executed
617 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
618     sampler channel (fixes bug #36)
619 schoenebeck 705
620 schoenebeck 692 Version 0.3.3 (15 July 2005)
621 schoenebeck 686
622     * packaging changes:
623     - fixed compilation with gcc 4.0
624    
625 schoenebeck 687 * Gigasampler format engine:
626     - LFO preprocessing was performed even though the respective LFO was
627     disabled by the instrument patch (minor efficiency fix)
628 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
629     for volume ramp downs in the same fragment (needed for current voice
630     stealing implementation) then simply inform the user with a warning
631     about possible click sounds and reduce the volume ramp down
632     appropriately instead of cancelling the audio device connection
633 schoenebeck 687
634 schoenebeck 677 Version 0.3.2 (24 June 2005)
635 schoenebeck 609
636     * packaging changes:
637     - updated autotools build files to compile on OS X
638     (conditional compilation of CoreMIDI and MidiShare drivers)
639 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
640     './configure --disable-asm' (definitely not recommended)
641 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
642     - require automake (>= 1.5) for 'make -f Makefile.cvs'
643     (due to 'dist-bzip2' automake option)
644 schoenebeck 649
645     * Gigasampler format engine:
646     - support for the gig parameters for "release velocity response" curves
647     - fine tuning of the EGADSR envelope
648     - volume of release triggered samples now depends on note-on velocity,
649     note length and gig parameter "release trigger decay" instead of
650     note-off velocity.
651 schoenebeck 663 - revised voice stealing
652     (fixes crash and endless loop caused by voice stealing)
653 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
654 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
655     instead of when the respective voice is actually launched
656     (fixes undefined behavior if stolen voices belonged to a key group -
657     this case was followed by a "killed voice survived" error message)
658 schoenebeck 669 - fixed minor issue with null/silence samples
659     (those stole voices even though they don't need a voice at all which
660     resulted in "voice stealing didn't work out" messages)
661 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
662     instrument or audio output device change
663 schoenebeck 654
664 schoenebeck 620 * LSCP server:
665 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
666 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
667 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
668 schoenebeck 609
669 schoenebeck 668 * linuxsampler application:
670     - added command line parameters --lscp-addr and --lscp-port to override
671     default IP address and port of LSCP server
672    
673 schoenebeck 579 Version 0.3.1 (24 May 2005)
674    
675     * initial release

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