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Sat Sep 18 09:24:41 2010 UTC (10 years ago) by schoenebeck
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* implemented support for internal LADSPA effects (work in progress)

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 schoenebeck 2121 - implemented Roland GS NRPN 1ArrH which allows to set volume per note
16     - implemented Roland GS NRPN 1CrrH which allows to set pan per note
17     - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
18     note (in this implementation of the sampler its simply hard routed to
19     the 1st effect send of the sampler channel, no matter what the actual
20     effect type is)
21     - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
22     note (in this implementation of the sampler its simply hard routed to
23     the 2nd effect send of the sampler channel, no matter what the actual
24     effect type is)
25 schoenebeck 2124 - implemented support for internal LADSPA effects
26 iliev 2012
27 persson 2043 * Gigasampler format engine:
28     - implemented the "round robin keyboard" dimension
29     - fixed round robin and random dimensions for cases when number of
30     dimension zones is not a power of two
31     - made round robin use a counter for each region instead of each
32     key
33    
34 schoenebeck 2047 * SFZ format engine:
35 iliev 2012 - Initial implementation (not usable yet)
36 persson 2055 - added support for v2 multiple stage envelope generators
37     - added a fine-tuned v1 envelope generator instead of using the
38     one from the gig engine
39 persson 2058 - fixed memory leak and memory handling errors
40 persson 2061 - added support for trigger=first, trigger=legato and sw_previous
41 persson 2058 - allow non-numerical key values ("C#4" for example)
42     - "key" opcode now sets pitch_keycenter too
43     - fixed error when unloading instrument with same sample used by
44     multiple regions
45     - added some opcode aliases, like loopmode for loop_mode, to be
46     more compatible
47 persson 2061 - added support for trigger=release and rt_decay
48 persson 2063 - added support for off_mode=normal
49 persson 2072 - added support for random, seq_position, seq_length and volume
50     - added v1 LFO opcodes to parser (no support in engine yet)
51 persson 2082 - added support for amp_veltrack and amp_velcurve_N
52     - fine-tuned the default velocity curve
53 persson 2086 - added support for transpose
54     - fixed crash when using sw_down/up
55     - improved logic for sw_lokey/hikey/up/down/last
56     - added more v1 aliases to parser
57 persson 2091 - reduced memory usage for sfz data
58 persson 2101 - RT-safeness: avoid malloc in audio thread
59     - fixed a bug that could cause voice stealing to fail
60 persson 2106 - optimized sample lookup
61 persson 2114 - improved support for exclusive groups (group, off_by and
62     off_mode)
63 persson 2115 - added support for controller triggered regions (on_locc/on_hicc)
64     - added support for loop_mode=one_shot
65 persson 2119 - fixed playback of 16 bit wav files on big endian CPUs
66     - added support for Ogg Vorbis sample files
67 iliev 2012
68 schoenebeck 2047 * SoundFont format engine:
69 iliev 2012 - Initial implementation (not usable yet)
70 persson 2101 - RT-safeness: avoid malloc in audio thread
71     - fixed a bug that could cause voice stealing to fail
72 iliev 2012
73     * Host plugins:
74 schoenebeck 1993 - AU bugfix: failed to destroy its audio/MIDI devices
75 iliev 1994 - Listen to all interfaces on Mac OS X (INADDR_ANY)
76 persson 2045 - VST bugfix: If the host called resume() before and after
77     changing sample rate or block size, the number of channels was
78     incorrectly set to two. This caused silence in Cubase 5.
79 schoenebeck 1993
80     * MIDI driver:
81     - ALSA MIDI driver supports now "NAME" device parameter, for overriding
82     the ALSA sequencer client name
83    
84 schoenebeck 2024 * LSCP server:
85     - added support for sending MIDI CC messages via LSCP command
86     "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
87    
88 iliev 2012 * Bug fixes:
89     - Fixed crash which may occur when MIDI key + transpose is out of range
90 persson 2114 - minor valgrind fixes
91 schoenebeck 2123 - fixed crash which occured when changing an already deployed sampler
92     channel to a different engine type
93 iliev 2012
94 persson 1957 Version 1.0.0 (31 July 2009)
95 schoenebeck 1599
96 schoenebeck 1639 * packaging changes:
97     - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
98     causing e.g. the libgig test to fail when
99     "./configure --disable-jack-driver" was used
100     (patch by Alexis Ballier)
101 persson 1713 - fixed compilation with gcc 4.3
102 persson 1792 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
103 persson 1794 - fixed configure so it detects x86_64 (#107)
104 persson 1808 - fixes for building with newer MinGW versions
105     - fix for building with bison 2.4 (#111)
106 persson 1842 - fixed building with libgig installed in a non-standard directory
107 persson 1895 - minor fix in configure for mmsystem.h detection on MinGW
108 persson 1897 - Windows: look for editor plugins and Fantasia using base
109 schoenebeck 1928 directory of liblinuxsampler dll (look in the same directory and one
110     directory above)
111 persson 1899 - configure script fix: removed unconditional use of SSE
112 persson 1923 - fixed building with sqlite installed in a non-standard directory
113 persson 1931 - when cross-compiling, don't try to create instruments.db
114     - fix for new mingw-w64 version, which has usleep
115 schoenebeck 1639
116 schoenebeck 1601 * general changes:
117     - bugfix: on some POSIX systems instrument editor plugins refused to
118     load as we used a non-portable Linux specific struct field
119     (fixes bug #70, patch by Ronald Baljeu)
120 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
121     plugin DLL on Windows systems failed
122 persson 1644 - fixed memory leaks that occurred when liblinuxsampler was unloaded
123     - optimized the SynchronizedConfig class so it doesn't wait
124     unnecessarily long after an update
125 schoenebeck 1653 - added support for notifying instrument editors on note-on / note-off
126     events (e.g. to highlight the pressed keys on the virtual keyboard
127     of gigedit)
128 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
129 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
130 schoenebeck 1681 - fixed di-harmonic triangle LFO implementation (this LFO implementation
131     is only used by very few systems, most pick the int math
132     implementation, which is usually faster)
133 persson 1748 - fixes for audio drivers with varying buffer sizes
134 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
135     VST plugin
136 iliev 1789 - notification events for stream/voice count statistics are now sent
137     only when there are actual changes
138 persson 1790 - added memory ordering constraints to improve stability on
139     multi-core and multi-cpu systems
140 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
141 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
142 schoenebeck 1830 - automatic stacktrace mechanism is now turned off by default and can
143     be switched on by command line option "--stacktrace" (the automatic
144     stacktrace mechanism seems to be broken on most systems at the moment)
145 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
146     a pointer to the launched InstrumentEditor object
147 schoenebeck 1876 - added optional 3rd party user data parameter for following
148     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
149     InstrumentEditor::Launch(),
150     InstrumentManager::LaunchInstrumentEditor()
151 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
152     model more strictly
153 persson 1895 - fixes for using large audio device buffers
154 persson 1951 - Windows: add the installation directory to the DLL search path
155     when loading an editor plugin (solves problems with VST and
156     gigedit on systems with other GTK versions installed)
157 schoenebeck 1601
158 schoenebeck 1599 * audio driver:
159     - removed the nonsense audio channel constraint (which was hard coded to
160     max. 100 audio channels) for most audio drivers
161 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
162     opposed to the LSCP specs
163 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
164     reflected the wrong value
165 persson 1644 - fixed a memory management bug in ASIO driver
166 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
167 persson 1777 - JACK: use jack_client_open instead of the deprecated
168 persson 1748 jack_client_new
169 iliev 1829 - added (experimental) CoreAudio driver
170 persson 1888 - applied old fixes to the ASIO driver that were included in the
171     previous binary release but accidentally never committed to CVS
172     (fixes #117)
173 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
174     win64)
175 persson 1895 - VST: added support for sample rate and buffer size changes
176     - VST: close editor (Fantasia) when the VST is removed
177 persson 1908 - VST: avoid opening Fantasia more than once for each VST instance
178     - VST: export main function as "main" on Linux too (fix for
179     energyXT)
180 persson 1917 - VST: changed number of output channels from one stereo to 16
181     stereo
182 persson 1922 - added channel routing, fxsends and midi maps to the settings
183     stored in the plugin state
184 schoenebeck 1930 - performance optimization of AudioChannel::MixTo() and
185     AudioChannel::CopyTo() methods using GCC vector exensions
186     (if available)
187 persson 1951 - ASIO fixes: avoid initializing the device twice, avoid throwing
188     exception when getting parameters from a disconnected device
189 schoenebeck 1599
190 persson 1651 * MIDI driver:
191     - added JACK MIDI driver
192 schoenebeck 1715 - dispatch bank select as ordinary CC as well, the user might seriously
193     want to (mis)use it for some purpose ("fixed" in all current MIDI
194     input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
195 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
196 persson 1887 CoreMidi or AU
197 persson 1889 - fixed mingw-w64 compilation error in MME driver
198 persson 1924 - made program change handling in MIDI thread real-time safe by
199     moving the logic to a non-RT thread
200 persson 1951 - fixed minor memory leak in ALSA driver
201 persson 1651
202 schoenebeck 1604 * instruments database:
203 iliev 1603 - avoid time consuming samples scanning when adding instruments
204     to the instruments database
205 iliev 1727 - added support for handling lost files in the instruments database
206 iliev 1781 - Implemented option for adding instruments in separate directories
207     in the instruments database
208     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
209 persson 1908 - work-around for missing fnmatch function on Windows to make
210     instrument database compilable
211 schoenebeck 1930 - added instrument database support on Windows
212     works with both standalone mode and VST plugin.
213     the instruments DB file is located in
214     %USERPROFILE%\.linuxsampler\instruments.db which allows different
215     databases for each windows user
216     if no DB is present it automatically creates the .linuxsampler subdir
217     and then creates an empty DB
218 persson 1943 - fixed recursive import, which was broken on Windows
219 iliev 1603
220 persson 1644 * Gigasampler format engine:
221     - fixed a memory leak that could happen when a channel was deleted
222     while notes were playing
223 persson 1646 - made it possible to load an instrument even if the audio thread
224     isn't running
225 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
226     enough for piano gigs with pedal noise samples
227 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
228     respective FX send MIDI controller was used
229 schoenebeck 1724 - added support for GM global device volume SysEx message
230 schoenebeck 1762 (can be selected at compile time to either apply globally to the
231     whole sampler [default] or only to the sampler channels that are
232     connected to the respective MIDI input port the SysEx message arrived
233     on)
234 persson 1748 - bugfix: notes triggered at position 0 in the audio buffer were
235     sometimes wrongly killed in the same buffer, causing no sound to
236     be played
237 schoenebeck 1750 - added support for chromatic / drumkit mode Roland GS Sysex message
238     which is usally used to switch a part between chromatic sounds and
239     drumkit sounds (as opposed to their common default setting of MIDI
240     part 10 being a drumkit part and all other ones chromatic parts), in
241     LS however one can switch between the first 16 MIDI instrument maps
242     defined for the sampler
243 persson 1764 - made it possible to create multiple sample channels even if the
244     audio thread isn't running
245 persson 1844 - fixed crash when removing channel with active voices (#116)
246 schoenebeck 1852 - bugfix: on sample reference changes (instrument editor), only
247     un-cache the respective sample if it's really not used by any
248     sampler engine anymore
249     - re-cache samples in case they were changed by an instrument editor,
250     e.g. when a sample was added while playing (#82)
251 schoenebeck 1857 - fixed hanging notes which occured when note-off event had the exact
252     same time stamp as the voice's note-on event and occured both in the
253     same audio fragment cycle (fixes bug #112)
254 persson 1858 - added support for the "fine tune" and "pitch bend range"
255     instrument-level gig parameters
256     - fixed minor artifacts in pitch bend handling
257 schoenebeck 1860 - added support for GS Reset SysEx message
258 persson 1862 - allow gig files to use unlimited downward pitch shifting
259     - added a limit check for upward pitch shifting
260 persson 1906 - bugfix: sometimes, when playing a note twice fast, the second
261     note was silent
262 persson 1923 - fixed crash happening when a pitch bend event arrived at the
263     same time a new instrument was loading
264 persson 1644
265 schoenebeck 1687 * LSCP server:
266     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
267     react on MIDI data arriving on certain sampler channels (so far only
268     Note-On and Note-Off events are sent via this LSCP event)
269 schoenebeck 1695 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
270     react on MIDI data arriving on certain MIDI input devices (so far only
271     Note-On and Note-Off events are sent via this LSCP event)
272 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
273     SET DB_INSTRUMENT FILE_PATH
274 iliev 1771 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
275     frontends to send MIDI messages to specific sampler channel
276     - added two additional fields to GET FILE INSTRUMENT INFO command -
277     KEY_BINDINGS and KEYSWITCH_BINDINGS
278 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
279     was incorrect
280 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
281 schoenebeck 1800 - added new LSCP command "SET VOICES" to globally alter the maximum
282     amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
283     be triggered respectively
284     - added new LSCP command "SET STREAMS" to globally alter the maximum
285     amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
286     which will be triggered respectively
287 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
288     a gigedit file dialog is opened)
289 iliev 1848 - close all connections when LSCPServer is deleted
290 iliev 1882 - hard close of all sockets on exit
291 persson 1897 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
292     driver
293 schoenebeck 1687
294 iliev 1761 * Bug fixes:
295     - fixed a crash which occurs when removing a sampler channel waiting
296     to start instrument loading after another channel
297 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
298     instrument loading in progress (bug #113)
299 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
300     instrument with PERSISTENT load mode
301 iliev 1835 - fixed possible iterator invalidations when resetting the sampler
302     - fixed memory leaks when issuing the following LSCP commands:
303     GET AUDIO_OUTPUT_DRIVER INFO
304     GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
305     GET MIDI_INPUT_DRIVER INFO
306     GET MIDI_INPUT_DRIVER_PARAMETER INFO
307     - fixed possible compilation error when sqlite is not present
308 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
309 iliev 1847 - fixed crash when changing the audio output device of a sampler
310     channel with loaded instrument and start playing notes
311 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
312 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
313     PowerPC, which probably could cause crashes on that platform
314 persson 1889 - fixed a memory management error which could cause a crash when a
315     plugin was unloaded
316 persson 1896 - bugfix: two private structs had the same name, which could cause
317     problems if the linker chose the wrong constructor
318 persson 1933 - fixed low-level ConditionServer usage bug that caused lockups on
319     Windows
320 iliev 1761
321    
322 schoenebeck 1560 Version 0.5.1 (6 December 2007)
323 schoenebeck 1454
324     * packaging changes:
325     - added autoconf checks for pthread library
326     - added autoconf check for pthread bug found on certain NPTL-enabled
327     glibc versions (see Gentoo bug report #194076)
328 senoner 1502 - added autoconf checks for MS Windows
329 schoenebeck 1454
330 persson 1455 * general changes:
331     - bugfix: the thread used by an editor plugin didn't die when the
332     editor closed
333 persson 1534 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
334     out all the space. operator--() did not apply size_mask after
335     decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
336     order to avoid problems with the _NonVolatileReader functions.
337     - bugfix: Stream.h: added a missing divide by BytesPerSample in
338     GetWriteSpace(). Since this function is currently only used in
339     the stream's qsort() compare function, it didn't trigger any
340     bugs.
341     - Resampler.h, Synthesizer.h: cubic interpolation now works in
342     24bit mode too. Faster method to read 24bit words on little
343     endian machines (x86): replaced 3 byte reads + shifts with a 1
344     unaligned 32bit read and shift
345     - experimental support for MS Windows (MIDI input via MME, AUDIO
346     output via ASIO)
347     - made handling of SIGINT signal (Ctrl-C) a bit more robust
348 iliev 1541 - support for monitoring the total number of active disk streams
349     (new LSCP commands: GET TOTAL_STREAM_COUNT,
350     SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
351 persson 1455
352 senoner 1500 * AUDIO driver:
353 persson 1534 - added Windows ASIO low latency audio driver
354 senoner 1500
355 senoner 1485 * MIDI driver:
356 schoenebeck 1495 - added MME Windows MIDI driver
357 senoner 1485
358 schoenebeck 1471 * LSCP server:
359     - added support for Windows style path / filenames, however with
360     forward slash path separators instead of backslash
361     (i.e. "C:/foo/bar.gig")
362 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
363     apostrophes as well
364 schoenebeck 1525 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
365     "LIST FILE INSTRUMENTS <file>" and
366     "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
367     about an arbitrary instrument file on the system where the sampler is
368     running on
369 schoenebeck 1471
370 schoenebeck 1424 Version 0.5.0 (15 October 2007)
371 schoenebeck 947
372 schoenebeck 1065 * packaging changes:
373 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
374     API header files anymore
375 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
376     the Doxygen API documentation (explicitly listed in Doxyfile.in)
377 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
378     capable to execute our autoconf environment, thus no need anymore
379     to maintain the compile time configuration file (osx/version.h) for
380     OSX manually (patch by Toshi Nagata)
381 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
382     parameters
383 schoenebeck 1424 - global.h now only covers global definitions that are needed for the
384     C++ API header files, all implementation internal global definitions
385     are now in global_private.h
386     - atomic.h is not exposed to the C++ API anymore
387     - no need to include config.h anymore for using LS's API header files
388     - fixed warnings in API doc generation
389 schoenebeck 1065
390 schoenebeck 947 * general changes:
391     - replaced the old, confusing MIDI program change mechanism by a
392     flexible MIDI instrument mapper which allows to map arbitrary
393 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
394 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
395     loaded on the respective channel when such MIDI program change
396     messages arrive, beside that, each entry allows to define a life-time
397     strategy for the instrument, so the user can define whether the
398     instrument should i.e. be permanently loaded (to be able to switch
399     quickly among sounds) or i.e. loaded just on demand when the
400     respective program change arrives (to safe RAM space), as well as a
401     global volume factor for each entry, so the user can adjust the volume
402     dynamic of his mapped instrument collection without having to modify
403 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
404     MIDI instrument maps and assign each sampler channel individually
405     a certain map, so that i.e. separation of normal instruments and
406     drumkits is possible
407 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
408     MIDI instrument maps, MIDI instruments, FX sends, global volume.
409 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
410     due to a constant size RingBuffer FIFO which is now replaced by a
411     dynamic (unlimited) size std::list FIFO
412 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
413     output channels for being processed by external effect processors
414     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
415     controllers
416 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
417 iliev 1130 - Implemented new, improved notification system
418 schoenebeck 1149 - fixed compilation errors regarding OSX
419     (patch by Toshi Nagata)
420 iliev 1161 - implemented instruments database
421 iliev 1345 - added support for escape sequences to the instruments database
422 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
423     within the sampler's process (by using instrument editor plugins),
424     you'll notice the new "Registered instrument editors:" message on
425 schoenebeck 1407 startup, added a new LSCP command:
426     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
427 schoenebeck 1212 to spawn a matching instrument editor for the instrument on the
428     given sampler channel, the plugin path can be overridden at compile
429     time with ./configure --enable-plugin-dir=/some/dir
430 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
431     in the sampler's process to safely edit instruments while playing
432     without a crash (hopefully) by either suspending single regions
433     wherever possible or if unavoidable whole engine(s)
434 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
435     policy and priority on thread level, set a minimum stack size for
436     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
437     threads simply inherited properties of starting thread instead of
438     setting their own policy and priority
439 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
440     main process did not wait for the stack trace process to finish
441     its output
442 persson 1248 - fixed some minor memory leaks
443 schoenebeck 1259 - reenabled assembly features support, at the moment only for
444     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
445 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
446     register, to avoid relocations in the text segment at runtime)
447 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
448 schoenebeck 947
449     * MIDI driver:
450     - dispatch bank select (MSB and LSB) messages
451    
452 schoenebeck 1049 * audio driver:
453     - the ALSA audio output driver parameters now reflect the correct
454     parameter value ranges for the respective selected sound card
455     (patch by Till Wimmer, a bit fixed and extended)
456    
457 persson 951 * Gigasampler format engine:
458     - if a filter is used and EG2 finishes before EG1, let the voice
459     die when EG2 has finished (this fixes a problem with clicks and
460     voice starvation for some gigs)
461 persson 1038 - playback is no longer disabled during instrument loading
462     - all notes playing on a channel that changes its instrument keep
463     playing with the old instrument until they get a note off
464     command
465 persson 1039 - EG fix: a release value of zero could cause noises or crash
466 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
467 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
468     above max sustain level, which means that there is a decay phase
469     even if sustain is 100%
470 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
471     noises or crashes
472 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
473 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
474     supplied to the configure script (fixes #46)
475 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
476     instead of a fix value
477 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
478     127 (solo mode) only kill voices if the respective mode really
479     changed
480 persson 951
481 schoenebeck 1244 * LSCP server:
482     - fixed compile time error for old Bison versions
483     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
484 schoenebeck 1245 - parser now supports extended ASCII character set
485     (up to ASCII code 255, i.e. includes now umlauts and accents)
486     - filename arguments in LSCP commands now allow to use escape
487     sequences, that is directly literal as one of: \', \", \\, \n, \r,
488     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
489     code value like \xf2) (fixes bug #24)
490 schoenebeck 1389 - the following LSCP commands now also support escape sequences for at
491     least one of their text-based parameters (i.e. name, description):
492     "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
493     "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
494     "SET DB_INSTRUMENT_DIRECTORY NAME",
495     "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
496     "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
497     "FIND DB_INSTRUMENT_DIRECTORIES"
498 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
499     occured, the unexpected character and the actually expected, possible
500     character(s), the latter only if less than 5 possibilities)
501 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
502     settings
503 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
504     of strings were treated as being one string containing commas
505     (fixes #57)
506 schoenebeck 1244
507 iliev 959 * Bug fixes:
508     - fixed crash occurring on certain LSCP scripts (Bug 39)
509 persson 1038 - another thread safety fix for lscp "load engine" and "set
510     channel audio output device"
511 iliev 1283 - fixed a crash which occurs when reassigning the same engine
512     on a sampler channel with connected MIDI device
513 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
514     device connected to a sampler channel to number less then or equal
515     to the index of the port to which the sampler channel is connected.
516 iliev 1296 - The previous bindings were not been disconnected when altering
517     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
518     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
519 iliev 1297 - The active stream/voice count statistic was incorrect.
520 iliev 1298 - notification events were not been sent for some sampler
521     channel changes
522 iliev 1305 - added default min and max values to restrict the number of allowed
523     audio output channels and MIDI input ports
524 iliev 1306 - the connection to the PCM interface is now closed when destroying
525     an audio output device
526 schoenebeck 1332 - files with slash in their path or filename could not be loaded
527 iliev 959
528 schoenebeck 1221 * test cases:
529     - updated and fixed (haven't been touched in a while)
530    
531 schoenebeck 937 Version 0.4.0 (24 November 2006)
532 persson 696
533 schoenebeck 697 * packaging changes:
534 capela 868 - changed deprecated copyright attribute to license; added ldconfig
535     to post-(un)install steps; added devel package for liblinuxsampler;
536     to linuxsampler.spec (RPM)
537 schoenebeck 697 - install necessary development header files for allowing 3rd party
538     applications to link against liblinuxsampler
539     - liblinuxsampler's API documentation can be generated with 'make docs'
540     (Doxygen required)
541 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
542     implementation (currently either an integer math solution or a
543     di-harmonic approximation), automatic detection can be overriden
544     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
545     configure script argument though (mandatory for cross-compilation)
546 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
547     provided some on his own (as CXXFLAGS)
548 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
549     messages
550 schoenebeck 852 - added compile time options to allow disabling the various audio and
551     MIDI drivers
552 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
553     (patch by Ebrahim Mayat)
554 schoenebeck 697
555 persson 696 * Gigasampler format engine:
556 schoenebeck 738 - extensive synthesis optimization
557     (reimplementation of EGs and LFO(s), removed synthesis parameter
558     prerendering and the synthesis parameter matrix in general, splitting
559     each audio fragment into subfragments now where each subfragment uses
560 persson 830 constant pitch and filter coefficients. The volume coefficient is
561     linearly interpolated inside a subfragment, unless
562     --disable-interpolate-volume is set.)
563 persson 696 - fine tuning of the EG modulation parameters
564 persson 729 - improved filter cutoff calculation by adding support for the
565     following gig parameters: Cutoff freq (used when no cutoff
566     controller is defined), Control invert, Minimum cutoff, Velocity
567 persson 791 curve and Velocity range. The keyboard tracking now scales
568     cutoff frequency instead of resonance.
569 persson 877 - added support for gig parameter Resonance.
570 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
571 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
572     which can be overridden with --enable-global-attenuation
573 persson 783 - EG fixes: made the length of "attack hold" stage more
574     accurate. Release stage can now start before attack stage
575 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
576     time now has a minimal value to prevent clicks.
577 persson 799 - fixed pitch changes larger than one octave
578 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
579     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
580     all modes can be altered via standard GM messages, that is CC5 for
581     altering portamento time, CC65 for enabling / disabling portamento
582     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
583 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
584     parameter) and crossfade
585 persson 831 - added support for the "attenuation controller threshold" gig
586     parameter
587 persson 832 - added smoothing of volume changes caused by control change
588     messages
589 persson 865 - sample loop parameters are now taken from the DimensionRegion
590     instead of the wave chunk
591     - fixed keyswitching for v3 gigs with a number of keyswitch splits
592     not equal to a power of two
593 persson 877 - reimplementation of the filter algorithm. The new filter is more
594     accurate and supports all gig filter types, including bandreject
595     and lowpass turbo.
596 persson 903 - real support for 24 bit samples - samples are not truncated to
597     16 bits anymore
598     - support for aftertouch (channel pressure, not polyphonic
599     aftertouch)
600 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
601     amplifying from 0)
602 persson 696
603 schoenebeck 711 * LSCP server:
604     - fixed application exit on broken pipe error (fixes bug #20)
605 iliev 793 - fixed the notification messages delay due to lack of
606     network activity (fixes bug #26)
607 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
608     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
609 schoenebeck 711
610 schoenebeck 838 * audio driver:
611     - added aRts audio output driver (by no means RT safe)
612    
613 schoenebeck 775 * MIDI driver:
614     - fixed legacy sysex code which caused dispatching of MIDI SysEx
615     messages several times instead of once
616 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
617     for events (i.e. for offline rendering based MIDI drivers)
618 persson 922 - added checks for bad MIDI data
619 schoenebeck 775
620 schoenebeck 900 * linuxsampler application:
621     - show available sampler engine types on startup
622    
623 schoenebeck 705 * general changes:
624     - support for muting sampler channels and solo mode of the same, two new
625     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
626     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
627     introduced for this, the behavior is the same like on a mixer console
628 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
629     --enable-process-muted-channels which can be used to enable the
630     processing of muted channels.
631 iliev 777 - support for sostenuto pedal
632 iliev 779 - support for monitoring the total number of active voices
633 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
634     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
635 persson 835 - fixed some memory management errors
636 persson 841 - fixed some concurrency problems that could lead to crashes when
637     LSCP commands were executed
638 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
639     sampler channel (fixes bug #36)
640 schoenebeck 705
641 schoenebeck 692 Version 0.3.3 (15 July 2005)
642 schoenebeck 686
643     * packaging changes:
644     - fixed compilation with gcc 4.0
645    
646 schoenebeck 687 * Gigasampler format engine:
647     - LFO preprocessing was performed even though the respective LFO was
648     disabled by the instrument patch (minor efficiency fix)
649 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
650     for volume ramp downs in the same fragment (needed for current voice
651     stealing implementation) then simply inform the user with a warning
652     about possible click sounds and reduce the volume ramp down
653     appropriately instead of cancelling the audio device connection
654 schoenebeck 687
655 schoenebeck 677 Version 0.3.2 (24 June 2005)
656 schoenebeck 609
657     * packaging changes:
658     - updated autotools build files to compile on OS X
659     (conditional compilation of CoreMIDI and MidiShare drivers)
660 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
661     './configure --disable-asm' (definitely not recommended)
662 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
663     - require automake (>= 1.5) for 'make -f Makefile.cvs'
664     (due to 'dist-bzip2' automake option)
665 schoenebeck 649
666     * Gigasampler format engine:
667     - support for the gig parameters for "release velocity response" curves
668     - fine tuning of the EGADSR envelope
669     - volume of release triggered samples now depends on note-on velocity,
670     note length and gig parameter "release trigger decay" instead of
671     note-off velocity.
672 schoenebeck 663 - revised voice stealing
673     (fixes crash and endless loop caused by voice stealing)
674 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
675 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
676     instead of when the respective voice is actually launched
677     (fixes undefined behavior if stolen voices belonged to a key group -
678     this case was followed by a "killed voice survived" error message)
679 schoenebeck 669 - fixed minor issue with null/silence samples
680     (those stole voices even though they don't need a voice at all which
681     resulted in "voice stealing didn't work out" messages)
682 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
683     instrument or audio output device change
684 schoenebeck 654
685 schoenebeck 620 * LSCP server:
686 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
687 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
688 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
689 schoenebeck 609
690 schoenebeck 668 * linuxsampler application:
691     - added command line parameters --lscp-addr and --lscp-port to override
692     default IP address and port of LSCP server
693    
694 schoenebeck 579 Version 0.3.1 (24 May 2005)
695    
696     * initial release

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