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Revision 1924 - (hide annotations) (download)
Sun Jun 28 16:43:38 2009 UTC (14 years, 9 months ago) by persson
File size: 30329 byte(s)
* made program change handling in MIDI thread real-time safe by moving
  the logic to a non-RT thread

1 schoenebeck 1599 Version CVS HEAD (?)
2    
3 schoenebeck 1639 * packaging changes:
4     - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
5     causing e.g. the libgig test to fail when
6     "./configure --disable-jack-driver" was used
7     (patch by Alexis Ballier)
8 persson 1713 - fixed compilation with gcc 4.3
9 persson 1792 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
10 persson 1794 - fixed configure so it detects x86_64 (#107)
11 persson 1808 - fixes for building with newer MinGW versions
12     - fix for building with bison 2.4 (#111)
13 persson 1842 - fixed building with libgig installed in a non-standard directory
14 persson 1895 - minor fix in configure for mmsystem.h detection on MinGW
15 persson 1897 - Windows: look for editor plugins and Fantasia using base
16     directory of liblinuxsampler dll
17 persson 1899 - configure script fix: removed unconditional use of SSE
18 persson 1923 - fixed building with sqlite installed in a non-standard directory
19 schoenebeck 1639
20 schoenebeck 1601 * general changes:
21     - bugfix: on some POSIX systems instrument editor plugins refused to
22     load as we used a non-portable Linux specific struct field
23     (fixes bug #70, patch by Ronald Baljeu)
24 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
25     plugin DLL on Windows systems failed
26 persson 1644 - fixed memory leaks that occurred when liblinuxsampler was unloaded
27     - optimized the SynchronizedConfig class so it doesn't wait
28     unnecessarily long after an update
29 schoenebeck 1653 - added support for notifying instrument editors on note-on / note-off
30     events (e.g. to highlight the pressed keys on the virtual keyboard
31     of gigedit)
32 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
33 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
34 schoenebeck 1681 - fixed di-harmonic triangle LFO implementation (this LFO implementation
35     is only used by very few systems, most pick the int math
36     implementation, which is usually faster)
37 persson 1748 - fixes for audio drivers with varying buffer sizes
38 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
39     VST plugin
40 iliev 1789 - notification events for stream/voice count statistics are now sent
41     only when there are actual changes
42 persson 1790 - added memory ordering constraints to improve stability on
43     multi-core and multi-cpu systems
44 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
45 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
46 schoenebeck 1830 - automatic stacktrace mechanism is now turned off by default and can
47     be switched on by command line option "--stacktrace" (the automatic
48     stacktrace mechanism seems to be broken on most systems at the moment)
49 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
50     a pointer to the launched InstrumentEditor object
51 schoenebeck 1876 - added optional 3rd party user data parameter for following
52     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
53     InstrumentEditor::Launch(),
54     InstrumentManager::LaunchInstrumentEditor()
55 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
56     model more strictly
57 persson 1895 - fixes for using large audio device buffers
58 schoenebeck 1601
59 schoenebeck 1599 * audio driver:
60     - removed the nonsense audio channel constraint (which was hard coded to
61     max. 100 audio channels) for most audio drivers
62 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
63     opposed to the LSCP specs
64 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
65     reflected the wrong value
66 persson 1644 - fixed a memory management bug in ASIO driver
67 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
68 persson 1777 - JACK: use jack_client_open instead of the deprecated
69 persson 1748 jack_client_new
70 iliev 1829 - added (experimental) CoreAudio driver
71 persson 1888 - applied old fixes to the ASIO driver that were included in the
72     previous binary release but accidentally never committed to CVS
73     (fixes #117)
74 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
75     win64)
76 persson 1895 - VST: added support for sample rate and buffer size changes
77     - VST: close editor (Fantasia) when the VST is removed
78 persson 1908 - VST: avoid opening Fantasia more than once for each VST instance
79     - VST: export main function as "main" on Linux too (fix for
80     energyXT)
81 persson 1917 - VST: changed number of output channels from one stereo to 16
82     stereo
83 persson 1922 - added channel routing, fxsends and midi maps to the settings
84     stored in the plugin state
85 schoenebeck 1599
86 persson 1651 * MIDI driver:
87     - added JACK MIDI driver
88 schoenebeck 1715 - dispatch bank select as ordinary CC as well, the user might seriously
89     want to (mis)use it for some purpose ("fixed" in all current MIDI
90     input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
91 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
92 persson 1887 CoreMidi or AU
93 persson 1889 - fixed mingw-w64 compilation error in MME driver
94 persson 1924 - made program change handling in MIDI thread real-time safe by
95     moving the logic to a non-RT thread
96 persson 1651
97 schoenebeck 1604 * instruments database:
98 iliev 1603 - avoid time consuming samples scanning when adding instruments
99     to the instruments database
100 iliev 1727 - added support for handling lost files in the instruments database
101 iliev 1781 - Implemented option for adding instruments in separate directories
102     in the instruments database
103     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
104 persson 1908 - work-around for missing fnmatch function on Windows to make
105     instrument database compilable
106 senoner 1910 - added instrument database support on Windows
107 senoner 1911 works with both standalone mode and VST plugin.
108     the instruments DB file is located in
109     %USERPROFILE%\.linuxsampler\instruments.db which allows different
110     databases for each windows user
111 senoner 1912 if no DB is present it automatically creates the .linuxsampler subdir
112     and then creates an empty DB
113 iliev 1603
114 persson 1644 * Gigasampler format engine:
115     - fixed a memory leak that could happen when a channel was deleted
116     while notes were playing
117 persson 1646 - made it possible to load an instrument even if the audio thread
118     isn't running
119 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
120     enough for piano gigs with pedal noise samples
121 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
122     respective FX send MIDI controller was used
123 schoenebeck 1724 - added support for GM global device volume SysEx message
124 schoenebeck 1762 (can be selected at compile time to either apply globally to the
125     whole sampler [default] or only to the sampler channels that are
126     connected to the respective MIDI input port the SysEx message arrived
127     on)
128 persson 1748 - bugfix: notes triggered at position 0 in the audio buffer were
129     sometimes wrongly killed in the same buffer, causing no sound to
130     be played
131 schoenebeck 1750 - added support for chromatic / drumkit mode Roland GS Sysex message
132     which is usally used to switch a part between chromatic sounds and
133     drumkit sounds (as opposed to their common default setting of MIDI
134     part 10 being a drumkit part and all other ones chromatic parts), in
135     LS however one can switch between the first 16 MIDI instrument maps
136     defined for the sampler
137 persson 1764 - made it possible to create multiple sample channels even if the
138     audio thread isn't running
139 persson 1844 - fixed crash when removing channel with active voices (#116)
140 schoenebeck 1852 - bugfix: on sample reference changes (instrument editor), only
141     un-cache the respective sample if it's really not used by any
142     sampler engine anymore
143     - re-cache samples in case they were changed by an instrument editor,
144     e.g. when a sample was added while playing (#82)
145 schoenebeck 1857 - fixed hanging notes which occured when note-off event had the exact
146     same time stamp as the voice's note-on event and occured both in the
147     same audio fragment cycle (fixes bug #112)
148 persson 1858 - added support for the "fine tune" and "pitch bend range"
149     instrument-level gig parameters
150     - fixed minor artifacts in pitch bend handling
151 schoenebeck 1860 - added support for GS Reset SysEx message
152 persson 1862 - allow gig files to use unlimited downward pitch shifting
153     - added a limit check for upward pitch shifting
154 persson 1906 - bugfix: sometimes, when playing a note twice fast, the second
155     note was silent
156 persson 1923 - fixed crash happening when a pitch bend event arrived at the
157     same time a new instrument was loading
158 persson 1644
159 schoenebeck 1687 * LSCP server:
160     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
161     react on MIDI data arriving on certain sampler channels (so far only
162     Note-On and Note-Off events are sent via this LSCP event)
163 schoenebeck 1695 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
164     react on MIDI data arriving on certain MIDI input devices (so far only
165     Note-On and Note-Off events are sent via this LSCP event)
166 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
167     SET DB_INSTRUMENT FILE_PATH
168 iliev 1771 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
169     frontends to send MIDI messages to specific sampler channel
170     - added two additional fields to GET FILE INSTRUMENT INFO command -
171     KEY_BINDINGS and KEYSWITCH_BINDINGS
172 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
173     was incorrect
174 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
175 schoenebeck 1800 - added new LSCP command "SET VOICES" to globally alter the maximum
176     amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
177     be triggered respectively
178     - added new LSCP command "SET STREAMS" to globally alter the maximum
179     amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
180     which will be triggered respectively
181 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
182     a gigedit file dialog is opened)
183 iliev 1848 - close all connections when LSCPServer is deleted
184 iliev 1882 - hard close of all sockets on exit
185 persson 1897 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
186     driver
187 schoenebeck 1687
188 iliev 1761 * Bug fixes:
189     - fixed a crash which occurs when removing a sampler channel waiting
190     to start instrument loading after another channel
191 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
192     instrument loading in progress (bug #113)
193 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
194     instrument with PERSISTENT load mode
195 iliev 1835 - fixed possible iterator invalidations when resetting the sampler
196     - fixed memory leaks when issuing the following LSCP commands:
197     GET AUDIO_OUTPUT_DRIVER INFO
198     GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
199     GET MIDI_INPUT_DRIVER INFO
200     GET MIDI_INPUT_DRIVER_PARAMETER INFO
201     - fixed possible compilation error when sqlite is not present
202 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
203 iliev 1847 - fixed crash when changing the audio output device of a sampler
204     channel with loaded instrument and start playing notes
205 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
206 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
207     PowerPC, which probably could cause crashes on that platform
208 persson 1889 - fixed a memory management error which could cause a crash when a
209     plugin was unloaded
210 persson 1896 - bugfix: two private structs had the same name, which could cause
211     problems if the linker chose the wrong constructor
212 iliev 1761
213    
214 schoenebeck 1560 Version 0.5.1 (6 December 2007)
215 schoenebeck 1454
216     * packaging changes:
217     - added autoconf checks for pthread library
218     - added autoconf check for pthread bug found on certain NPTL-enabled
219     glibc versions (see Gentoo bug report #194076)
220 senoner 1502 - added autoconf checks for MS Windows
221 schoenebeck 1454
222 persson 1455 * general changes:
223     - bugfix: the thread used by an editor plugin didn't die when the
224     editor closed
225 persson 1534 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
226     out all the space. operator--() did not apply size_mask after
227     decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
228     order to avoid problems with the _NonVolatileReader functions.
229     - bugfix: Stream.h: added a missing divide by BytesPerSample in
230     GetWriteSpace(). Since this function is currently only used in
231     the stream's qsort() compare function, it didn't trigger any
232     bugs.
233     - Resampler.h, Synthesizer.h: cubic interpolation now works in
234     24bit mode too. Faster method to read 24bit words on little
235     endian machines (x86): replaced 3 byte reads + shifts with a 1
236     unaligned 32bit read and shift
237     - experimental support for MS Windows (MIDI input via MME, AUDIO
238     output via ASIO)
239     - made handling of SIGINT signal (Ctrl-C) a bit more robust
240 iliev 1541 - support for monitoring the total number of active disk streams
241     (new LSCP commands: GET TOTAL_STREAM_COUNT,
242     SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
243 persson 1455
244 senoner 1500 * AUDIO driver:
245 persson 1534 - added Windows ASIO low latency audio driver
246 senoner 1500
247 senoner 1485 * MIDI driver:
248 schoenebeck 1495 - added MME Windows MIDI driver
249 senoner 1485
250 schoenebeck 1471 * LSCP server:
251     - added support for Windows style path / filenames, however with
252     forward slash path separators instead of backslash
253     (i.e. "C:/foo/bar.gig")
254 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
255     apostrophes as well
256 schoenebeck 1525 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
257     "LIST FILE INSTRUMENTS <file>" and
258     "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
259     about an arbitrary instrument file on the system where the sampler is
260     running on
261 schoenebeck 1471
262 schoenebeck 1424 Version 0.5.0 (15 October 2007)
263 schoenebeck 947
264 schoenebeck 1065 * packaging changes:
265 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
266     API header files anymore
267 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
268     the Doxygen API documentation (explicitly listed in Doxyfile.in)
269 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
270     capable to execute our autoconf environment, thus no need anymore
271     to maintain the compile time configuration file (osx/version.h) for
272     OSX manually (patch by Toshi Nagata)
273 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
274     parameters
275 schoenebeck 1424 - global.h now only covers global definitions that are needed for the
276     C++ API header files, all implementation internal global definitions
277     are now in global_private.h
278     - atomic.h is not exposed to the C++ API anymore
279     - no need to include config.h anymore for using LS's API header files
280     - fixed warnings in API doc generation
281 schoenebeck 1065
282 schoenebeck 947 * general changes:
283     - replaced the old, confusing MIDI program change mechanism by a
284     flexible MIDI instrument mapper which allows to map arbitrary
285 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
286 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
287     loaded on the respective channel when such MIDI program change
288     messages arrive, beside that, each entry allows to define a life-time
289     strategy for the instrument, so the user can define whether the
290     instrument should i.e. be permanently loaded (to be able to switch
291     quickly among sounds) or i.e. loaded just on demand when the
292     respective program change arrives (to safe RAM space), as well as a
293     global volume factor for each entry, so the user can adjust the volume
294     dynamic of his mapped instrument collection without having to modify
295 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
296     MIDI instrument maps and assign each sampler channel individually
297     a certain map, so that i.e. separation of normal instruments and
298     drumkits is possible
299 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
300     MIDI instrument maps, MIDI instruments, FX sends, global volume.
301 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
302     due to a constant size RingBuffer FIFO which is now replaced by a
303     dynamic (unlimited) size std::list FIFO
304 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
305     output channels for being processed by external effect processors
306     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
307     controllers
308 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
309 iliev 1130 - Implemented new, improved notification system
310 schoenebeck 1149 - fixed compilation errors regarding OSX
311     (patch by Toshi Nagata)
312 iliev 1161 - implemented instruments database
313 iliev 1345 - added support for escape sequences to the instruments database
314 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
315     within the sampler's process (by using instrument editor plugins),
316     you'll notice the new "Registered instrument editors:" message on
317 schoenebeck 1407 startup, added a new LSCP command:
318     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
319 schoenebeck 1212 to spawn a matching instrument editor for the instrument on the
320     given sampler channel, the plugin path can be overridden at compile
321     time with ./configure --enable-plugin-dir=/some/dir
322 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
323     in the sampler's process to safely edit instruments while playing
324     without a crash (hopefully) by either suspending single regions
325     wherever possible or if unavoidable whole engine(s)
326 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
327     policy and priority on thread level, set a minimum stack size for
328     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
329     threads simply inherited properties of starting thread instead of
330     setting their own policy and priority
331 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
332     main process did not wait for the stack trace process to finish
333     its output
334 persson 1248 - fixed some minor memory leaks
335 schoenebeck 1259 - reenabled assembly features support, at the moment only for
336     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
337 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
338     register, to avoid relocations in the text segment at runtime)
339 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
340 schoenebeck 947
341     * MIDI driver:
342     - dispatch bank select (MSB and LSB) messages
343    
344 schoenebeck 1049 * audio driver:
345     - the ALSA audio output driver parameters now reflect the correct
346     parameter value ranges for the respective selected sound card
347     (patch by Till Wimmer, a bit fixed and extended)
348    
349 persson 951 * Gigasampler format engine:
350     - if a filter is used and EG2 finishes before EG1, let the voice
351     die when EG2 has finished (this fixes a problem with clicks and
352     voice starvation for some gigs)
353 persson 1038 - playback is no longer disabled during instrument loading
354     - all notes playing on a channel that changes its instrument keep
355     playing with the old instrument until they get a note off
356     command
357 persson 1039 - EG fix: a release value of zero could cause noises or crash
358 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
359 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
360     above max sustain level, which means that there is a decay phase
361     even if sustain is 100%
362 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
363     noises or crashes
364 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
365 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
366     supplied to the configure script (fixes #46)
367 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
368     instead of a fix value
369 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
370     127 (solo mode) only kill voices if the respective mode really
371     changed
372 persson 951
373 schoenebeck 1244 * LSCP server:
374     - fixed compile time error for old Bison versions
375     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
376 schoenebeck 1245 - parser now supports extended ASCII character set
377     (up to ASCII code 255, i.e. includes now umlauts and accents)
378     - filename arguments in LSCP commands now allow to use escape
379     sequences, that is directly literal as one of: \', \", \\, \n, \r,
380     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
381     code value like \xf2) (fixes bug #24)
382 schoenebeck 1389 - the following LSCP commands now also support escape sequences for at
383     least one of their text-based parameters (i.e. name, description):
384     "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
385     "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
386     "SET DB_INSTRUMENT_DIRECTORY NAME",
387     "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
388     "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
389     "FIND DB_INSTRUMENT_DIRECTORIES"
390 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
391     occured, the unexpected character and the actually expected, possible
392     character(s), the latter only if less than 5 possibilities)
393 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
394     settings
395 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
396     of strings were treated as being one string containing commas
397     (fixes #57)
398 schoenebeck 1244
399 iliev 959 * Bug fixes:
400     - fixed crash occurring on certain LSCP scripts (Bug 39)
401 persson 1038 - another thread safety fix for lscp "load engine" and "set
402     channel audio output device"
403 iliev 1283 - fixed a crash which occurs when reassigning the same engine
404     on a sampler channel with connected MIDI device
405 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
406     device connected to a sampler channel to number less then or equal
407     to the index of the port to which the sampler channel is connected.
408 iliev 1296 - The previous bindings were not been disconnected when altering
409     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
410     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
411 iliev 1297 - The active stream/voice count statistic was incorrect.
412 iliev 1298 - notification events were not been sent for some sampler
413     channel changes
414 iliev 1305 - added default min and max values to restrict the number of allowed
415     audio output channels and MIDI input ports
416 iliev 1306 - the connection to the PCM interface is now closed when destroying
417     an audio output device
418 schoenebeck 1332 - files with slash in their path or filename could not be loaded
419 iliev 959
420 schoenebeck 1221 * test cases:
421     - updated and fixed (haven't been touched in a while)
422    
423 schoenebeck 937 Version 0.4.0 (24 November 2006)
424 persson 696
425 schoenebeck 697 * packaging changes:
426 capela 868 - changed deprecated copyright attribute to license; added ldconfig
427     to post-(un)install steps; added devel package for liblinuxsampler;
428     to linuxsampler.spec (RPM)
429 schoenebeck 697 - install necessary development header files for allowing 3rd party
430     applications to link against liblinuxsampler
431     - liblinuxsampler's API documentation can be generated with 'make docs'
432     (Doxygen required)
433 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
434     implementation (currently either an integer math solution or a
435     di-harmonic approximation), automatic detection can be overriden
436     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
437     configure script argument though (mandatory for cross-compilation)
438 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
439     provided some on his own (as CXXFLAGS)
440 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
441     messages
442 schoenebeck 852 - added compile time options to allow disabling the various audio and
443     MIDI drivers
444 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
445     (patch by Ebrahim Mayat)
446 schoenebeck 697
447 persson 696 * Gigasampler format engine:
448 schoenebeck 738 - extensive synthesis optimization
449     (reimplementation of EGs and LFO(s), removed synthesis parameter
450     prerendering and the synthesis parameter matrix in general, splitting
451     each audio fragment into subfragments now where each subfragment uses
452 persson 830 constant pitch and filter coefficients. The volume coefficient is
453     linearly interpolated inside a subfragment, unless
454     --disable-interpolate-volume is set.)
455 persson 696 - fine tuning of the EG modulation parameters
456 persson 729 - improved filter cutoff calculation by adding support for the
457     following gig parameters: Cutoff freq (used when no cutoff
458     controller is defined), Control invert, Minimum cutoff, Velocity
459 persson 791 curve and Velocity range. The keyboard tracking now scales
460     cutoff frequency instead of resonance.
461 persson 877 - added support for gig parameter Resonance.
462 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
463 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
464     which can be overridden with --enable-global-attenuation
465 persson 783 - EG fixes: made the length of "attack hold" stage more
466     accurate. Release stage can now start before attack stage
467 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
468     time now has a minimal value to prevent clicks.
469 persson 799 - fixed pitch changes larger than one octave
470 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
471     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
472     all modes can be altered via standard GM messages, that is CC5 for
473     altering portamento time, CC65 for enabling / disabling portamento
474     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
475 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
476     parameter) and crossfade
477 persson 831 - added support for the "attenuation controller threshold" gig
478     parameter
479 persson 832 - added smoothing of volume changes caused by control change
480     messages
481 persson 865 - sample loop parameters are now taken from the DimensionRegion
482     instead of the wave chunk
483     - fixed keyswitching for v3 gigs with a number of keyswitch splits
484     not equal to a power of two
485 persson 877 - reimplementation of the filter algorithm. The new filter is more
486     accurate and supports all gig filter types, including bandreject
487     and lowpass turbo.
488 persson 903 - real support for 24 bit samples - samples are not truncated to
489     16 bits anymore
490     - support for aftertouch (channel pressure, not polyphonic
491     aftertouch)
492 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
493     amplifying from 0)
494 persson 696
495 schoenebeck 711 * LSCP server:
496     - fixed application exit on broken pipe error (fixes bug #20)
497 iliev 793 - fixed the notification messages delay due to lack of
498     network activity (fixes bug #26)
499 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
500     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
501 schoenebeck 711
502 schoenebeck 838 * audio driver:
503     - added aRts audio output driver (by no means RT safe)
504    
505 schoenebeck 775 * MIDI driver:
506     - fixed legacy sysex code which caused dispatching of MIDI SysEx
507     messages several times instead of once
508 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
509     for events (i.e. for offline rendering based MIDI drivers)
510 persson 922 - added checks for bad MIDI data
511 schoenebeck 775
512 schoenebeck 900 * linuxsampler application:
513     - show available sampler engine types on startup
514    
515 schoenebeck 705 * general changes:
516     - support for muting sampler channels and solo mode of the same, two new
517     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
518     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
519     introduced for this, the behavior is the same like on a mixer console
520 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
521     --enable-process-muted-channels which can be used to enable the
522     processing of muted channels.
523 iliev 777 - support for sostenuto pedal
524 iliev 779 - support for monitoring the total number of active voices
525 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
526     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
527 persson 835 - fixed some memory management errors
528 persson 841 - fixed some concurrency problems that could lead to crashes when
529     LSCP commands were executed
530 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
531     sampler channel (fixes bug #36)
532 schoenebeck 705
533 schoenebeck 692 Version 0.3.3 (15 July 2005)
534 schoenebeck 686
535     * packaging changes:
536     - fixed compilation with gcc 4.0
537    
538 schoenebeck 687 * Gigasampler format engine:
539     - LFO preprocessing was performed even though the respective LFO was
540     disabled by the instrument patch (minor efficiency fix)
541 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
542     for volume ramp downs in the same fragment (needed for current voice
543     stealing implementation) then simply inform the user with a warning
544     about possible click sounds and reduce the volume ramp down
545     appropriately instead of cancelling the audio device connection
546 schoenebeck 687
547 schoenebeck 677 Version 0.3.2 (24 June 2005)
548 schoenebeck 609
549     * packaging changes:
550     - updated autotools build files to compile on OS X
551     (conditional compilation of CoreMIDI and MidiShare drivers)
552 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
553     './configure --disable-asm' (definitely not recommended)
554 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
555     - require automake (>= 1.5) for 'make -f Makefile.cvs'
556     (due to 'dist-bzip2' automake option)
557 schoenebeck 649
558     * Gigasampler format engine:
559     - support for the gig parameters for "release velocity response" curves
560     - fine tuning of the EGADSR envelope
561     - volume of release triggered samples now depends on note-on velocity,
562     note length and gig parameter "release trigger decay" instead of
563     note-off velocity.
564 schoenebeck 663 - revised voice stealing
565     (fixes crash and endless loop caused by voice stealing)
566 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
567 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
568     instead of when the respective voice is actually launched
569     (fixes undefined behavior if stolen voices belonged to a key group -
570     this case was followed by a "killed voice survived" error message)
571 schoenebeck 669 - fixed minor issue with null/silence samples
572     (those stole voices even though they don't need a voice at all which
573     resulted in "voice stealing didn't work out" messages)
574 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
575     instrument or audio output device change
576 schoenebeck 654
577 schoenebeck 620 * LSCP server:
578 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
579 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
580 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
581 schoenebeck 609
582 schoenebeck 668 * linuxsampler application:
583     - added command line parameters --lscp-addr and --lscp-port to override
584     default IP address and port of LSCP server
585    
586 schoenebeck 579 Version 0.3.1 (24 May 2005)
587    
588     * initial release

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