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Revision 2140 - (hide annotations) (download)
Tue Oct 5 10:35:13 2010 UTC (13 years, 5 months ago) by schoenebeck
File size: 37404 byte(s)
* raised limit of program change queue from 100 to 512
  (as suggested by Alex Stone)
* removed limit of maximum amount of MIDI ports per MIDI device, since
  there is no reason for this limit
* minor syntax simplification regarding 2 new LSCP commands: changed
  "SET FX_SEND SEND_EFFECT"" to "SET FX_SEND EFFECT" and changed
  "REMOVE FX_SEND SEND_EFFECT"" to "REMOVE FX_SEND EFFECT", also changed
  the respective category field of command "GET FX_SEND INFO" from
  "SEND_EFFECT" to "EFFECT"
* updated LSCP specification document
* bumped version to 1.0.0.cvs10

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 schoenebeck 2140 - raised limit of program change queue from 100 to 512
27     (as suggested by Alex Stone)
28 iliev 2012
29 persson 2043 * Gigasampler format engine:
30     - implemented the "round robin keyboard" dimension
31     - fixed round robin and random dimensions for cases when number of
32     dimension zones is not a power of two
33     - made round robin use a counter for each region instead of each
34     key
35    
36 schoenebeck 2047 * SFZ format engine:
37 iliev 2012 - Initial implementation (not usable yet)
38 persson 2055 - added support for v2 multiple stage envelope generators
39     - added a fine-tuned v1 envelope generator instead of using the
40     one from the gig engine
41 persson 2058 - fixed memory leak and memory handling errors
42 persson 2061 - added support for trigger=first, trigger=legato and sw_previous
43 persson 2058 - allow non-numerical key values ("C#4" for example)
44     - "key" opcode now sets pitch_keycenter too
45     - fixed error when unloading instrument with same sample used by
46     multiple regions
47     - added some opcode aliases, like loopmode for loop_mode, to be
48     more compatible
49 persson 2061 - added support for trigger=release and rt_decay
50 persson 2063 - added support for off_mode=normal
51 persson 2072 - added support for random, seq_position, seq_length and volume
52     - added v1 LFO opcodes to parser (no support in engine yet)
53 persson 2082 - added support for amp_veltrack and amp_velcurve_N
54     - fine-tuned the default velocity curve
55 persson 2086 - added support for transpose
56     - fixed crash when using sw_down/up
57     - improved logic for sw_lokey/hikey/up/down/last
58     - added more v1 aliases to parser
59 persson 2091 - reduced memory usage for sfz data
60 persson 2101 - RT-safeness: avoid malloc in audio thread
61     - fixed a bug that could cause voice stealing to fail
62 persson 2106 - optimized sample lookup
63 persson 2114 - improved support for exclusive groups (group, off_by and
64     off_mode)
65 persson 2115 - added support for controller triggered regions (on_locc/on_hicc)
66     - added support for loop_mode=one_shot
67 persson 2119 - fixed playback of 16 bit wav files on big endian CPUs
68     - added support for Ogg Vorbis sample files
69 iliev 2012
70 schoenebeck 2047 * SoundFont format engine:
71 iliev 2012 - Initial implementation (not usable yet)
72 persson 2101 - RT-safeness: avoid malloc in audio thread
73     - fixed a bug that could cause voice stealing to fail
74 iliev 2012
75     * Host plugins:
76 schoenebeck 1993 - AU bugfix: failed to destroy its audio/MIDI devices
77 iliev 1994 - Listen to all interfaces on Mac OS X (INADDR_ANY)
78 persson 2045 - VST bugfix: If the host called resume() before and after
79     changing sample rate or block size, the number of channels was
80     incorrectly set to two. This caused silence in Cubase 5.
81 schoenebeck 1993
82     * MIDI driver:
83     - ALSA MIDI driver supports now "NAME" device parameter, for overriding
84     the ALSA sequencer client name
85 schoenebeck 2140 - removed limit of maximum amount of MIDI ports per MIDI device, since
86     there is no reason for this limit
87 schoenebeck 1993
88 schoenebeck 2024 * LSCP server:
89     - added support for sending MIDI CC messages via LSCP command
90     "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
91 schoenebeck 2135 - added LSCP command "GET AVAILABLE_EFFECTS"
92     - added LSCP command "LIST AVAILABLE_EFFECTS"
93     - added LSCP command "GET EFFECT INFO <effect-index>"
94     - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
95     - added LSCP command
96     "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
97     - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
98     - added LSCP command "GET EFFECT_INSTANCES"
99     - added LSCP command "LIST EFFECT_INSTANCES"
100     - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
101     - added LSCP command
102     "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
103 schoenebeck 2137 - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
104     <effect-instance> <input-control> <value>"
105     - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
106     - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
107     - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
108 schoenebeck 2135 - added LSCP command
109 schoenebeck 2137 "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
110 schoenebeck 2135 - added LSCP command
111 schoenebeck 2137 "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
112     - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
113 schoenebeck 2135 <effect-chain> <effect-instance>"
114 schoenebeck 2137 - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
115     <effect-chain> <effect-chain-pos> <effect-instance>"
116     - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
117 schoenebeck 2138 <effect-chain> <chain-pos>"
118 schoenebeck 2140 - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
119 schoenebeck 2137 <fx_send_id> <effect_chain> <chain_pos>"
120 schoenebeck 2140 - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
121 schoenebeck 2024
122 iliev 2012 * Bug fixes:
123     - Fixed crash which may occur when MIDI key + transpose is out of range
124 persson 2114 - minor valgrind fixes
125 schoenebeck 2123 - fixed crash which occured when changing an already deployed sampler
126     channel to a different engine type
127 persson 2127 - fixed crash when deleting a sampler channel or changing engine
128     type while an instrument load was in progress
129 iliev 2012
130 persson 1957 Version 1.0.0 (31 July 2009)
131 schoenebeck 1599
132 schoenebeck 1639 * packaging changes:
133     - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
134     causing e.g. the libgig test to fail when
135     "./configure --disable-jack-driver" was used
136     (patch by Alexis Ballier)
137 persson 1713 - fixed compilation with gcc 4.3
138 persson 1792 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
139 persson 1794 - fixed configure so it detects x86_64 (#107)
140 persson 1808 - fixes for building with newer MinGW versions
141     - fix for building with bison 2.4 (#111)
142 persson 1842 - fixed building with libgig installed in a non-standard directory
143 persson 1895 - minor fix in configure for mmsystem.h detection on MinGW
144 persson 1897 - Windows: look for editor plugins and Fantasia using base
145 schoenebeck 1928 directory of liblinuxsampler dll (look in the same directory and one
146     directory above)
147 persson 1899 - configure script fix: removed unconditional use of SSE
148 persson 1923 - fixed building with sqlite installed in a non-standard directory
149 persson 1931 - when cross-compiling, don't try to create instruments.db
150     - fix for new mingw-w64 version, which has usleep
151 schoenebeck 1639
152 schoenebeck 1601 * general changes:
153     - bugfix: on some POSIX systems instrument editor plugins refused to
154     load as we used a non-portable Linux specific struct field
155     (fixes bug #70, patch by Ronald Baljeu)
156 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
157     plugin DLL on Windows systems failed
158 persson 1644 - fixed memory leaks that occurred when liblinuxsampler was unloaded
159     - optimized the SynchronizedConfig class so it doesn't wait
160     unnecessarily long after an update
161 schoenebeck 1653 - added support for notifying instrument editors on note-on / note-off
162     events (e.g. to highlight the pressed keys on the virtual keyboard
163     of gigedit)
164 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
165 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
166 schoenebeck 1681 - fixed di-harmonic triangle LFO implementation (this LFO implementation
167     is only used by very few systems, most pick the int math
168     implementation, which is usually faster)
169 persson 1748 - fixes for audio drivers with varying buffer sizes
170 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
171     VST plugin
172 iliev 1789 - notification events for stream/voice count statistics are now sent
173     only when there are actual changes
174 persson 1790 - added memory ordering constraints to improve stability on
175     multi-core and multi-cpu systems
176 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
177 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
178 schoenebeck 1830 - automatic stacktrace mechanism is now turned off by default and can
179     be switched on by command line option "--stacktrace" (the automatic
180     stacktrace mechanism seems to be broken on most systems at the moment)
181 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
182     a pointer to the launched InstrumentEditor object
183 schoenebeck 1876 - added optional 3rd party user data parameter for following
184     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
185     InstrumentEditor::Launch(),
186     InstrumentManager::LaunchInstrumentEditor()
187 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
188     model more strictly
189 persson 1895 - fixes for using large audio device buffers
190 persson 1951 - Windows: add the installation directory to the DLL search path
191     when loading an editor plugin (solves problems with VST and
192     gigedit on systems with other GTK versions installed)
193 schoenebeck 1601
194 schoenebeck 1599 * audio driver:
195     - removed the nonsense audio channel constraint (which was hard coded to
196     max. 100 audio channels) for most audio drivers
197 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
198     opposed to the LSCP specs
199 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
200     reflected the wrong value
201 persson 1644 - fixed a memory management bug in ASIO driver
202 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
203 persson 1777 - JACK: use jack_client_open instead of the deprecated
204 persson 1748 jack_client_new
205 iliev 1829 - added (experimental) CoreAudio driver
206 persson 1888 - applied old fixes to the ASIO driver that were included in the
207     previous binary release but accidentally never committed to CVS
208     (fixes #117)
209 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
210     win64)
211 persson 1895 - VST: added support for sample rate and buffer size changes
212     - VST: close editor (Fantasia) when the VST is removed
213 persson 1908 - VST: avoid opening Fantasia more than once for each VST instance
214     - VST: export main function as "main" on Linux too (fix for
215     energyXT)
216 persson 1917 - VST: changed number of output channels from one stereo to 16
217     stereo
218 persson 1922 - added channel routing, fxsends and midi maps to the settings
219     stored in the plugin state
220 schoenebeck 1930 - performance optimization of AudioChannel::MixTo() and
221     AudioChannel::CopyTo() methods using GCC vector exensions
222     (if available)
223 persson 1951 - ASIO fixes: avoid initializing the device twice, avoid throwing
224     exception when getting parameters from a disconnected device
225 schoenebeck 1599
226 persson 1651 * MIDI driver:
227     - added JACK MIDI driver
228 schoenebeck 1715 - dispatch bank select as ordinary CC as well, the user might seriously
229     want to (mis)use it for some purpose ("fixed" in all current MIDI
230     input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
231 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
232 persson 1887 CoreMidi or AU
233 persson 1889 - fixed mingw-w64 compilation error in MME driver
234 persson 1924 - made program change handling in MIDI thread real-time safe by
235     moving the logic to a non-RT thread
236 persson 1951 - fixed minor memory leak in ALSA driver
237 persson 1651
238 schoenebeck 1604 * instruments database:
239 iliev 1603 - avoid time consuming samples scanning when adding instruments
240     to the instruments database
241 iliev 1727 - added support for handling lost files in the instruments database
242 iliev 1781 - Implemented option for adding instruments in separate directories
243     in the instruments database
244     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
245 persson 1908 - work-around for missing fnmatch function on Windows to make
246     instrument database compilable
247 schoenebeck 1930 - added instrument database support on Windows
248     works with both standalone mode and VST plugin.
249     the instruments DB file is located in
250     %USERPROFILE%\.linuxsampler\instruments.db which allows different
251     databases for each windows user
252     if no DB is present it automatically creates the .linuxsampler subdir
253     and then creates an empty DB
254 persson 1943 - fixed recursive import, which was broken on Windows
255 iliev 1603
256 persson 1644 * Gigasampler format engine:
257     - fixed a memory leak that could happen when a channel was deleted
258     while notes were playing
259 persson 1646 - made it possible to load an instrument even if the audio thread
260     isn't running
261 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
262     enough for piano gigs with pedal noise samples
263 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
264     respective FX send MIDI controller was used
265 schoenebeck 1724 - added support for GM global device volume SysEx message
266 schoenebeck 1762 (can be selected at compile time to either apply globally to the
267     whole sampler [default] or only to the sampler channels that are
268     connected to the respective MIDI input port the SysEx message arrived
269     on)
270 persson 1748 - bugfix: notes triggered at position 0 in the audio buffer were
271     sometimes wrongly killed in the same buffer, causing no sound to
272     be played
273 schoenebeck 1750 - added support for chromatic / drumkit mode Roland GS Sysex message
274     which is usally used to switch a part between chromatic sounds and
275     drumkit sounds (as opposed to their common default setting of MIDI
276     part 10 being a drumkit part and all other ones chromatic parts), in
277     LS however one can switch between the first 16 MIDI instrument maps
278     defined for the sampler
279 persson 1764 - made it possible to create multiple sample channels even if the
280     audio thread isn't running
281 persson 1844 - fixed crash when removing channel with active voices (#116)
282 schoenebeck 1852 - bugfix: on sample reference changes (instrument editor), only
283     un-cache the respective sample if it's really not used by any
284     sampler engine anymore
285     - re-cache samples in case they were changed by an instrument editor,
286     e.g. when a sample was added while playing (#82)
287 schoenebeck 1857 - fixed hanging notes which occured when note-off event had the exact
288     same time stamp as the voice's note-on event and occured both in the
289     same audio fragment cycle (fixes bug #112)
290 persson 1858 - added support for the "fine tune" and "pitch bend range"
291     instrument-level gig parameters
292     - fixed minor artifacts in pitch bend handling
293 schoenebeck 1860 - added support for GS Reset SysEx message
294 persson 1862 - allow gig files to use unlimited downward pitch shifting
295     - added a limit check for upward pitch shifting
296 persson 1906 - bugfix: sometimes, when playing a note twice fast, the second
297     note was silent
298 persson 1923 - fixed crash happening when a pitch bend event arrived at the
299     same time a new instrument was loading
300 persson 1644
301 schoenebeck 1687 * LSCP server:
302     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
303     react on MIDI data arriving on certain sampler channels (so far only
304     Note-On and Note-Off events are sent via this LSCP event)
305 schoenebeck 1695 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
306     react on MIDI data arriving on certain MIDI input devices (so far only
307     Note-On and Note-Off events are sent via this LSCP event)
308 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
309     SET DB_INSTRUMENT FILE_PATH
310 iliev 1771 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
311     frontends to send MIDI messages to specific sampler channel
312     - added two additional fields to GET FILE INSTRUMENT INFO command -
313     KEY_BINDINGS and KEYSWITCH_BINDINGS
314 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
315     was incorrect
316 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
317 schoenebeck 1800 - added new LSCP command "SET VOICES" to globally alter the maximum
318     amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
319     be triggered respectively
320     - added new LSCP command "SET STREAMS" to globally alter the maximum
321     amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
322     which will be triggered respectively
323 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
324     a gigedit file dialog is opened)
325 iliev 1848 - close all connections when LSCPServer is deleted
326 iliev 1882 - hard close of all sockets on exit
327 persson 1897 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
328     driver
329 schoenebeck 1687
330 iliev 1761 * Bug fixes:
331     - fixed a crash which occurs when removing a sampler channel waiting
332     to start instrument loading after another channel
333 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
334     instrument loading in progress (bug #113)
335 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
336     instrument with PERSISTENT load mode
337 iliev 1835 - fixed possible iterator invalidations when resetting the sampler
338     - fixed memory leaks when issuing the following LSCP commands:
339     GET AUDIO_OUTPUT_DRIVER INFO
340     GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
341     GET MIDI_INPUT_DRIVER INFO
342     GET MIDI_INPUT_DRIVER_PARAMETER INFO
343     - fixed possible compilation error when sqlite is not present
344 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
345 iliev 1847 - fixed crash when changing the audio output device of a sampler
346     channel with loaded instrument and start playing notes
347 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
348 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
349     PowerPC, which probably could cause crashes on that platform
350 persson 1889 - fixed a memory management error which could cause a crash when a
351     plugin was unloaded
352 persson 1896 - bugfix: two private structs had the same name, which could cause
353     problems if the linker chose the wrong constructor
354 persson 1933 - fixed low-level ConditionServer usage bug that caused lockups on
355     Windows
356 iliev 1761
357    
358 schoenebeck 1560 Version 0.5.1 (6 December 2007)
359 schoenebeck 1454
360     * packaging changes:
361     - added autoconf checks for pthread library
362     - added autoconf check for pthread bug found on certain NPTL-enabled
363     glibc versions (see Gentoo bug report #194076)
364 senoner 1502 - added autoconf checks for MS Windows
365 schoenebeck 1454
366 persson 1455 * general changes:
367     - bugfix: the thread used by an editor plugin didn't die when the
368     editor closed
369 persson 1534 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
370     out all the space. operator--() did not apply size_mask after
371     decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
372     order to avoid problems with the _NonVolatileReader functions.
373     - bugfix: Stream.h: added a missing divide by BytesPerSample in
374     GetWriteSpace(). Since this function is currently only used in
375     the stream's qsort() compare function, it didn't trigger any
376     bugs.
377     - Resampler.h, Synthesizer.h: cubic interpolation now works in
378     24bit mode too. Faster method to read 24bit words on little
379     endian machines (x86): replaced 3 byte reads + shifts with a 1
380     unaligned 32bit read and shift
381     - experimental support for MS Windows (MIDI input via MME, AUDIO
382     output via ASIO)
383     - made handling of SIGINT signal (Ctrl-C) a bit more robust
384 iliev 1541 - support for monitoring the total number of active disk streams
385     (new LSCP commands: GET TOTAL_STREAM_COUNT,
386     SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
387 persson 1455
388 senoner 1500 * AUDIO driver:
389 persson 1534 - added Windows ASIO low latency audio driver
390 senoner 1500
391 senoner 1485 * MIDI driver:
392 schoenebeck 1495 - added MME Windows MIDI driver
393 senoner 1485
394 schoenebeck 1471 * LSCP server:
395     - added support for Windows style path / filenames, however with
396     forward slash path separators instead of backslash
397     (i.e. "C:/foo/bar.gig")
398 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
399     apostrophes as well
400 schoenebeck 1525 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
401     "LIST FILE INSTRUMENTS <file>" and
402     "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
403     about an arbitrary instrument file on the system where the sampler is
404     running on
405 schoenebeck 1471
406 schoenebeck 1424 Version 0.5.0 (15 October 2007)
407 schoenebeck 947
408 schoenebeck 1065 * packaging changes:
409 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
410     API header files anymore
411 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
412     the Doxygen API documentation (explicitly listed in Doxyfile.in)
413 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
414     capable to execute our autoconf environment, thus no need anymore
415     to maintain the compile time configuration file (osx/version.h) for
416     OSX manually (patch by Toshi Nagata)
417 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
418     parameters
419 schoenebeck 1424 - global.h now only covers global definitions that are needed for the
420     C++ API header files, all implementation internal global definitions
421     are now in global_private.h
422     - atomic.h is not exposed to the C++ API anymore
423     - no need to include config.h anymore for using LS's API header files
424     - fixed warnings in API doc generation
425 schoenebeck 1065
426 schoenebeck 947 * general changes:
427     - replaced the old, confusing MIDI program change mechanism by a
428     flexible MIDI instrument mapper which allows to map arbitrary
429 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
430 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
431     loaded on the respective channel when such MIDI program change
432     messages arrive, beside that, each entry allows to define a life-time
433     strategy for the instrument, so the user can define whether the
434     instrument should i.e. be permanently loaded (to be able to switch
435     quickly among sounds) or i.e. loaded just on demand when the
436     respective program change arrives (to safe RAM space), as well as a
437     global volume factor for each entry, so the user can adjust the volume
438     dynamic of his mapped instrument collection without having to modify
439 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
440     MIDI instrument maps and assign each sampler channel individually
441     a certain map, so that i.e. separation of normal instruments and
442     drumkits is possible
443 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
444     MIDI instrument maps, MIDI instruments, FX sends, global volume.
445 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
446     due to a constant size RingBuffer FIFO which is now replaced by a
447     dynamic (unlimited) size std::list FIFO
448 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
449     output channels for being processed by external effect processors
450     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
451     controllers
452 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
453 iliev 1130 - Implemented new, improved notification system
454 schoenebeck 1149 - fixed compilation errors regarding OSX
455     (patch by Toshi Nagata)
456 iliev 1161 - implemented instruments database
457 iliev 1345 - added support for escape sequences to the instruments database
458 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
459     within the sampler's process (by using instrument editor plugins),
460     you'll notice the new "Registered instrument editors:" message on
461 schoenebeck 1407 startup, added a new LSCP command:
462     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
463 schoenebeck 1212 to spawn a matching instrument editor for the instrument on the
464     given sampler channel, the plugin path can be overridden at compile
465     time with ./configure --enable-plugin-dir=/some/dir
466 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
467     in the sampler's process to safely edit instruments while playing
468     without a crash (hopefully) by either suspending single regions
469     wherever possible or if unavoidable whole engine(s)
470 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
471     policy and priority on thread level, set a minimum stack size for
472     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
473     threads simply inherited properties of starting thread instead of
474     setting their own policy and priority
475 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
476     main process did not wait for the stack trace process to finish
477     its output
478 persson 1248 - fixed some minor memory leaks
479 schoenebeck 1259 - reenabled assembly features support, at the moment only for
480     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
481 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
482     register, to avoid relocations in the text segment at runtime)
483 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
484 schoenebeck 947
485     * MIDI driver:
486     - dispatch bank select (MSB and LSB) messages
487    
488 schoenebeck 1049 * audio driver:
489     - the ALSA audio output driver parameters now reflect the correct
490     parameter value ranges for the respective selected sound card
491     (patch by Till Wimmer, a bit fixed and extended)
492    
493 persson 951 * Gigasampler format engine:
494     - if a filter is used and EG2 finishes before EG1, let the voice
495     die when EG2 has finished (this fixes a problem with clicks and
496     voice starvation for some gigs)
497 persson 1038 - playback is no longer disabled during instrument loading
498     - all notes playing on a channel that changes its instrument keep
499     playing with the old instrument until they get a note off
500     command
501 persson 1039 - EG fix: a release value of zero could cause noises or crash
502 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
503 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
504     above max sustain level, which means that there is a decay phase
505     even if sustain is 100%
506 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
507     noises or crashes
508 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
509 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
510     supplied to the configure script (fixes #46)
511 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
512     instead of a fix value
513 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
514     127 (solo mode) only kill voices if the respective mode really
515     changed
516 persson 951
517 schoenebeck 1244 * LSCP server:
518     - fixed compile time error for old Bison versions
519     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
520 schoenebeck 1245 - parser now supports extended ASCII character set
521     (up to ASCII code 255, i.e. includes now umlauts and accents)
522     - filename arguments in LSCP commands now allow to use escape
523     sequences, that is directly literal as one of: \', \", \\, \n, \r,
524     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
525     code value like \xf2) (fixes bug #24)
526 schoenebeck 1389 - the following LSCP commands now also support escape sequences for at
527     least one of their text-based parameters (i.e. name, description):
528     "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
529     "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
530     "SET DB_INSTRUMENT_DIRECTORY NAME",
531     "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
532     "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
533     "FIND DB_INSTRUMENT_DIRECTORIES"
534 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
535     occured, the unexpected character and the actually expected, possible
536     character(s), the latter only if less than 5 possibilities)
537 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
538     settings
539 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
540     of strings were treated as being one string containing commas
541     (fixes #57)
542 schoenebeck 1244
543 iliev 959 * Bug fixes:
544     - fixed crash occurring on certain LSCP scripts (Bug 39)
545 persson 1038 - another thread safety fix for lscp "load engine" and "set
546     channel audio output device"
547 iliev 1283 - fixed a crash which occurs when reassigning the same engine
548     on a sampler channel with connected MIDI device
549 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
550     device connected to a sampler channel to number less then or equal
551     to the index of the port to which the sampler channel is connected.
552 iliev 1296 - The previous bindings were not been disconnected when altering
553     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
554     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
555 iliev 1297 - The active stream/voice count statistic was incorrect.
556 iliev 1298 - notification events were not been sent for some sampler
557     channel changes
558 iliev 1305 - added default min and max values to restrict the number of allowed
559     audio output channels and MIDI input ports
560 iliev 1306 - the connection to the PCM interface is now closed when destroying
561     an audio output device
562 schoenebeck 1332 - files with slash in their path or filename could not be loaded
563 iliev 959
564 schoenebeck 1221 * test cases:
565     - updated and fixed (haven't been touched in a while)
566    
567 schoenebeck 937 Version 0.4.0 (24 November 2006)
568 persson 696
569 schoenebeck 697 * packaging changes:
570 capela 868 - changed deprecated copyright attribute to license; added ldconfig
571     to post-(un)install steps; added devel package for liblinuxsampler;
572     to linuxsampler.spec (RPM)
573 schoenebeck 697 - install necessary development header files for allowing 3rd party
574     applications to link against liblinuxsampler
575     - liblinuxsampler's API documentation can be generated with 'make docs'
576     (Doxygen required)
577 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
578     implementation (currently either an integer math solution or a
579     di-harmonic approximation), automatic detection can be overriden
580     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
581     configure script argument though (mandatory for cross-compilation)
582 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
583     provided some on his own (as CXXFLAGS)
584 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
585     messages
586 schoenebeck 852 - added compile time options to allow disabling the various audio and
587     MIDI drivers
588 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
589     (patch by Ebrahim Mayat)
590 schoenebeck 697
591 persson 696 * Gigasampler format engine:
592 schoenebeck 738 - extensive synthesis optimization
593     (reimplementation of EGs and LFO(s), removed synthesis parameter
594     prerendering and the synthesis parameter matrix in general, splitting
595     each audio fragment into subfragments now where each subfragment uses
596 persson 830 constant pitch and filter coefficients. The volume coefficient is
597     linearly interpolated inside a subfragment, unless
598     --disable-interpolate-volume is set.)
599 persson 696 - fine tuning of the EG modulation parameters
600 persson 729 - improved filter cutoff calculation by adding support for the
601     following gig parameters: Cutoff freq (used when no cutoff
602     controller is defined), Control invert, Minimum cutoff, Velocity
603 persson 791 curve and Velocity range. The keyboard tracking now scales
604     cutoff frequency instead of resonance.
605 persson 877 - added support for gig parameter Resonance.
606 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
607 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
608     which can be overridden with --enable-global-attenuation
609 persson 783 - EG fixes: made the length of "attack hold" stage more
610     accurate. Release stage can now start before attack stage
611 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
612     time now has a minimal value to prevent clicks.
613 persson 799 - fixed pitch changes larger than one octave
614 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
615     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
616     all modes can be altered via standard GM messages, that is CC5 for
617     altering portamento time, CC65 for enabling / disabling portamento
618     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
619 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
620     parameter) and crossfade
621 persson 831 - added support for the "attenuation controller threshold" gig
622     parameter
623 persson 832 - added smoothing of volume changes caused by control change
624     messages
625 persson 865 - sample loop parameters are now taken from the DimensionRegion
626     instead of the wave chunk
627     - fixed keyswitching for v3 gigs with a number of keyswitch splits
628     not equal to a power of two
629 persson 877 - reimplementation of the filter algorithm. The new filter is more
630     accurate and supports all gig filter types, including bandreject
631     and lowpass turbo.
632 persson 903 - real support for 24 bit samples - samples are not truncated to
633     16 bits anymore
634     - support for aftertouch (channel pressure, not polyphonic
635     aftertouch)
636 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
637     amplifying from 0)
638 persson 696
639 schoenebeck 711 * LSCP server:
640     - fixed application exit on broken pipe error (fixes bug #20)
641 iliev 793 - fixed the notification messages delay due to lack of
642     network activity (fixes bug #26)
643 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
644     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
645 schoenebeck 711
646 schoenebeck 838 * audio driver:
647     - added aRts audio output driver (by no means RT safe)
648    
649 schoenebeck 775 * MIDI driver:
650     - fixed legacy sysex code which caused dispatching of MIDI SysEx
651     messages several times instead of once
652 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
653     for events (i.e. for offline rendering based MIDI drivers)
654 persson 922 - added checks for bad MIDI data
655 schoenebeck 775
656 schoenebeck 900 * linuxsampler application:
657     - show available sampler engine types on startup
658    
659 schoenebeck 705 * general changes:
660     - support for muting sampler channels and solo mode of the same, two new
661     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
662     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
663     introduced for this, the behavior is the same like on a mixer console
664 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
665     --enable-process-muted-channels which can be used to enable the
666     processing of muted channels.
667 iliev 777 - support for sostenuto pedal
668 iliev 779 - support for monitoring the total number of active voices
669 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
670     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
671 persson 835 - fixed some memory management errors
672 persson 841 - fixed some concurrency problems that could lead to crashes when
673     LSCP commands were executed
674 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
675     sampler channel (fixes bug #36)
676 schoenebeck 705
677 schoenebeck 692 Version 0.3.3 (15 July 2005)
678 schoenebeck 686
679     * packaging changes:
680     - fixed compilation with gcc 4.0
681    
682 schoenebeck 687 * Gigasampler format engine:
683     - LFO preprocessing was performed even though the respective LFO was
684     disabled by the instrument patch (minor efficiency fix)
685 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
686     for volume ramp downs in the same fragment (needed for current voice
687     stealing implementation) then simply inform the user with a warning
688     about possible click sounds and reduce the volume ramp down
689     appropriately instead of cancelling the audio device connection
690 schoenebeck 687
691 schoenebeck 677 Version 0.3.2 (24 June 2005)
692 schoenebeck 609
693     * packaging changes:
694     - updated autotools build files to compile on OS X
695     (conditional compilation of CoreMIDI and MidiShare drivers)
696 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
697     './configure --disable-asm' (definitely not recommended)
698 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
699     - require automake (>= 1.5) for 'make -f Makefile.cvs'
700     (due to 'dist-bzip2' automake option)
701 schoenebeck 649
702     * Gigasampler format engine:
703     - support for the gig parameters for "release velocity response" curves
704     - fine tuning of the EGADSR envelope
705     - volume of release triggered samples now depends on note-on velocity,
706     note length and gig parameter "release trigger decay" instead of
707     note-off velocity.
708 schoenebeck 663 - revised voice stealing
709     (fixes crash and endless loop caused by voice stealing)
710 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
711 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
712     instead of when the respective voice is actually launched
713     (fixes undefined behavior if stolen voices belonged to a key group -
714     this case was followed by a "killed voice survived" error message)
715 schoenebeck 669 - fixed minor issue with null/silence samples
716     (those stole voices even though they don't need a voice at all which
717     resulted in "voice stealing didn't work out" messages)
718 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
719     instrument or audio output device change
720 schoenebeck 654
721 schoenebeck 620 * LSCP server:
722 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
723 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
724 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
725 schoenebeck 609
726 schoenebeck 668 * linuxsampler application:
727     - added command line parameters --lscp-addr and --lscp-port to override
728     default IP address and port of LSCP server
729    
730 schoenebeck 579 Version 0.3.1 (24 May 2005)
731    
732     * initial release

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