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Revision 2197 - (hide annotations) (download)
Sat Jul 2 09:55:42 2011 UTC (12 years, 8 months ago) by persson
File size: 39975 byte(s)
* AU: changed number of output channels from one stereo to 16 stereo
* VST: made it possible to build the VST plugin for Mac
* AU: link AU plugin dynamically if --disable-shared isn't specified
* minor Makefile fix for building lscpparser when build and source
  directories are separate

1 schoenebeck 1993 Version CVS HEAD (?)
2    
3 capela 2174 * plugin changes:
4     - LV2 Persist + Files support (patch by David Robillard)
5    
6 persson 2086 * packaging changes:
7     - fixed building with newer MinGW-w64
8 persson 2183 - Mac OS X: support the new dir for Core Audio SDK
9     - Mac OS X: fixed building outside source directory
10     - made sure all source files for hostplugins are included when
11     doing "make dist"
12     - removed empty directories left from the cvs to svn migration
13 persson 2185 - fixed compilation with gcc 4.6.1
14     - another "make dist" fix, for LV2 plugin
15     - made --enable-pthread-testcancel default on Mac OS X
16 persson 2197 - minor Makefile fix for building lscpparser when build and source
17     directories are separate
18 persson 2086
19     * general changes:
20 iliev 2012 - Refactoring: moved the independent code from
21     the Gigasampler format engine to base classes
22 schoenebeck 2047 - command line option '--profile' is currently disabled, since the
23     respective profiling code is currently broken
24 schoenebeck 2053 - Introduced support for optional environment variable
25     "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
26     where the sampler shall look for instrument editor plugins
27     (patch by Luis Garrido, slightly modified).
28 schoenebeck 2121 - implemented Roland GS NRPN 1ArrH which allows to set volume per note
29     - implemented Roland GS NRPN 1CrrH which allows to set pan per note
30     - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
31     note (in this implementation of the sampler its simply hard routed to
32     the 1st effect send of the sampler channel, no matter what the actual
33     effect type is)
34     - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
35     note (in this implementation of the sampler its simply hard routed to
36     the 2nd effect send of the sampler channel, no matter what the actual
37     effect type is)
38 schoenebeck 2124 - implemented support for internal LADSPA effects
39 schoenebeck 2140 - raised limit of program change queue from 100 to 512
40     (as suggested by Alex Stone)
41 iliev 2012
42 persson 2043 * Gigasampler format engine:
43     - implemented the "round robin keyboard" dimension
44     - fixed round robin and random dimensions for cases when number of
45     dimension zones is not a power of two
46     - made round robin use a counter for each region instead of each
47     key
48    
49 schoenebeck 2047 * SFZ format engine:
50 iliev 2012 - Initial implementation (not usable yet)
51 persson 2055 - added support for v2 multiple stage envelope generators
52     - added a fine-tuned v1 envelope generator instead of using the
53     one from the gig engine
54 persson 2058 - fixed memory leak and memory handling errors
55 persson 2061 - added support for trigger=first, trigger=legato and sw_previous
56 persson 2058 - allow non-numerical key values ("C#4" for example)
57     - "key" opcode now sets pitch_keycenter too
58     - fixed error when unloading instrument with same sample used by
59     multiple regions
60     - added some opcode aliases, like loopmode for loop_mode, to be
61     more compatible
62 persson 2061 - added support for trigger=release and rt_decay
63 persson 2063 - added support for off_mode=normal
64 persson 2072 - added support for random, seq_position, seq_length and volume
65     - added v1 LFO opcodes to parser (no support in engine yet)
66 persson 2082 - added support for amp_veltrack and amp_velcurve_N
67     - fine-tuned the default velocity curve
68 persson 2086 - added support for transpose
69     - fixed crash when using sw_down/up
70     - improved logic for sw_lokey/hikey/up/down/last
71     - added more v1 aliases to parser
72 persson 2091 - reduced memory usage for sfz data
73 persson 2101 - RT-safeness: avoid malloc in audio thread
74     - fixed a bug that could cause voice stealing to fail
75 persson 2106 - optimized sample lookup
76 persson 2114 - improved support for exclusive groups (group, off_by and
77     off_mode)
78 persson 2115 - added support for controller triggered regions (on_locc/on_hicc)
79     - added support for loop_mode=one_shot
80 persson 2119 - fixed playback of 16 bit wav files on big endian CPUs
81     - added support for Ogg Vorbis sample files
82 persson 2167 - use loop markers from sample file if loop_start and loop_end are
83     not set in sfz file
84 persson 2175 - implemeted filters. Filter types: lowpass, bandpass, bandreject
85     and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
86     cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
87     cutoff_cc, cutoff_chanaft.
88     - bugfix: zero ampeg_sustain didn't work
89 persson 2176 - added support for velocity effect on amplifier envelope time
90     (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
91     ampeg_vel2release)
92 iliev 2012
93 schoenebeck 2047 * SoundFont format engine:
94 iliev 2012 - Initial implementation (not usable yet)
95 persson 2101 - RT-safeness: avoid malloc in audio thread
96     - fixed a bug that could cause voice stealing to fail
97 iliev 2012
98 persson 2175 * Gigasampler format engine:
99     - bugfix: pitch LFO controller "internal+aftertouch" was broken
100     - bugfix: filter keyboard tracking was broken
101     - filter performance fix (an unnecessary copy was made of the
102     filter parameters in each sub fragment)
103    
104 iliev 2012 * Host plugins:
105 schoenebeck 1993 - AU bugfix: failed to destroy its audio/MIDI devices
106 iliev 1994 - Listen to all interfaces on Mac OS X (INADDR_ANY)
107 persson 2045 - VST bugfix: If the host called resume() before and after
108     changing sample rate or block size, the number of channels was
109     incorrectly set to two. This caused silence in Cubase 5.
110 persson 2165 - save engine type (gig, sfz or sf2) in plugin state
111     - VST: when opening Fantasia, look for both 32 and 64 bit Java on
112     64 bit Windows
113 persson 2197 - AU: changed number of output channels from one stereo to 16
114     stereo
115     - VST: made it possible to build the VST plugin for Mac
116     - AU: link AU plugin dynamically if --disable-shared isn't
117     specified
118    
119 schoenebeck 1993 * MIDI driver:
120     - ALSA MIDI driver supports now "NAME" device parameter, for overriding
121     the ALSA sequencer client name
122 schoenebeck 2140 - removed limit of maximum amount of MIDI ports per MIDI device, since
123     there is no reason for this limit
124 schoenebeck 1993
125 persson 2175 * audio driver:
126     - ASIO driver fixes for newer gcc versions (fix from PortAudio)
127    
128 schoenebeck 2024 * LSCP server:
129     - added support for sending MIDI CC messages via LSCP command
130     "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
131 schoenebeck 2135 - added LSCP command "GET AVAILABLE_EFFECTS"
132     - added LSCP command "LIST AVAILABLE_EFFECTS"
133     - added LSCP command "GET EFFECT INFO <effect-index>"
134     - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
135     - added LSCP command
136     "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
137     - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
138     - added LSCP command "GET EFFECT_INSTANCES"
139     - added LSCP command "LIST EFFECT_INSTANCES"
140     - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
141     - added LSCP command
142     "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
143 schoenebeck 2137 - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
144     <effect-instance> <input-control> <value>"
145     - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
146     - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
147     - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
148 schoenebeck 2135 - added LSCP command
149 schoenebeck 2137 "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
150 schoenebeck 2135 - added LSCP command
151 schoenebeck 2137 "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
152     - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
153 schoenebeck 2135 <effect-chain> <effect-instance>"
154 schoenebeck 2137 - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
155     <effect-chain> <effect-chain-pos> <effect-instance>"
156     - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
157 schoenebeck 2138 <effect-chain> <chain-pos>"
158 schoenebeck 2140 - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
159 schoenebeck 2137 <fx_send_id> <effect_chain> <chain_pos>"
160 schoenebeck 2140 - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
161 iliev 2188 - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
162     "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
163     "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
164 schoenebeck 2024
165 iliev 2012 * Bug fixes:
166     - Fixed crash which may occur when MIDI key + transpose is out of range
167 persson 2114 - minor valgrind fixes
168 schoenebeck 2123 - fixed crash which occured when changing an already deployed sampler
169     channel to a different engine type
170 persson 2127 - fixed crash when deleting a sampler channel or changing engine
171     type while an instrument load was in progress
172 persson 2162 - bugfix: playing a note while changing the instrument could cause
173     a crash, or give "Handing back unknown region" error messages
174 persson 2165 - bugfix: calling SET VOICES (which Fantasia does on start and
175     refresh) could cause instruments to be unloaded
176 persson 2183 - Mac OS X: fixed name collision of enum in EffectControl and
177     wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
178 persson 2185 - Mac OS X: fixed hanging threads
179 persson 2187 - Windows: disabled the previous thread fix on non-Mac systems, as
180     it caused hanging threads on Windows
181 iliev 2012
182 persson 1957 Version 1.0.0 (31 July 2009)
183 schoenebeck 1599
184 schoenebeck 1639 * packaging changes:
185     - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
186     causing e.g. the libgig test to fail when
187     "./configure --disable-jack-driver" was used
188     (patch by Alexis Ballier)
189 persson 1713 - fixed compilation with gcc 4.3
190 persson 1792 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
191 persson 1794 - fixed configure so it detects x86_64 (#107)
192 persson 1808 - fixes for building with newer MinGW versions
193     - fix for building with bison 2.4 (#111)
194 persson 1842 - fixed building with libgig installed in a non-standard directory
195 persson 1895 - minor fix in configure for mmsystem.h detection on MinGW
196 persson 1897 - Windows: look for editor plugins and Fantasia using base
197 schoenebeck 1928 directory of liblinuxsampler dll (look in the same directory and one
198     directory above)
199 persson 1899 - configure script fix: removed unconditional use of SSE
200 persson 1923 - fixed building with sqlite installed in a non-standard directory
201 persson 1931 - when cross-compiling, don't try to create instruments.db
202     - fix for new mingw-w64 version, which has usleep
203 schoenebeck 1639
204 schoenebeck 1601 * general changes:
205     - bugfix: on some POSIX systems instrument editor plugins refused to
206     load as we used a non-portable Linux specific struct field
207     (fixes bug #70, patch by Ronald Baljeu)
208 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
209     plugin DLL on Windows systems failed
210 persson 1644 - fixed memory leaks that occurred when liblinuxsampler was unloaded
211     - optimized the SynchronizedConfig class so it doesn't wait
212     unnecessarily long after an update
213 schoenebeck 1653 - added support for notifying instrument editors on note-on / note-off
214     events (e.g. to highlight the pressed keys on the virtual keyboard
215     of gigedit)
216 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
217 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
218 schoenebeck 1681 - fixed di-harmonic triangle LFO implementation (this LFO implementation
219     is only used by very few systems, most pick the int math
220     implementation, which is usually faster)
221 persson 1748 - fixes for audio drivers with varying buffer sizes
222 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
223     VST plugin
224 iliev 1789 - notification events for stream/voice count statistics are now sent
225     only when there are actual changes
226 persson 1790 - added memory ordering constraints to improve stability on
227     multi-core and multi-cpu systems
228 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
229 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
230 schoenebeck 1830 - automatic stacktrace mechanism is now turned off by default and can
231     be switched on by command line option "--stacktrace" (the automatic
232     stacktrace mechanism seems to be broken on most systems at the moment)
233 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
234     a pointer to the launched InstrumentEditor object
235 schoenebeck 1876 - added optional 3rd party user data parameter for following
236     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
237     InstrumentEditor::Launch(),
238     InstrumentManager::LaunchInstrumentEditor()
239 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
240     model more strictly
241 persson 1895 - fixes for using large audio device buffers
242 persson 1951 - Windows: add the installation directory to the DLL search path
243     when loading an editor plugin (solves problems with VST and
244     gigedit on systems with other GTK versions installed)
245 schoenebeck 1601
246 schoenebeck 1599 * audio driver:
247     - removed the nonsense audio channel constraint (which was hard coded to
248     max. 100 audio channels) for most audio drivers
249 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
250     opposed to the LSCP specs
251 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
252     reflected the wrong value
253 persson 1644 - fixed a memory management bug in ASIO driver
254 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
255 persson 1777 - JACK: use jack_client_open instead of the deprecated
256 persson 1748 jack_client_new
257 iliev 1829 - added (experimental) CoreAudio driver
258 persson 1888 - applied old fixes to the ASIO driver that were included in the
259     previous binary release but accidentally never committed to CVS
260     (fixes #117)
261 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
262     win64)
263 persson 1895 - VST: added support for sample rate and buffer size changes
264     - VST: close editor (Fantasia) when the VST is removed
265 persson 1908 - VST: avoid opening Fantasia more than once for each VST instance
266     - VST: export main function as "main" on Linux too (fix for
267     energyXT)
268 persson 1917 - VST: changed number of output channels from one stereo to 16
269     stereo
270 persson 1922 - added channel routing, fxsends and midi maps to the settings
271     stored in the plugin state
272 schoenebeck 1930 - performance optimization of AudioChannel::MixTo() and
273     AudioChannel::CopyTo() methods using GCC vector exensions
274     (if available)
275 persson 1951 - ASIO fixes: avoid initializing the device twice, avoid throwing
276     exception when getting parameters from a disconnected device
277 schoenebeck 1599
278 persson 1651 * MIDI driver:
279     - added JACK MIDI driver
280 schoenebeck 1715 - dispatch bank select as ordinary CC as well, the user might seriously
281     want to (mis)use it for some purpose ("fixed" in all current MIDI
282     input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
283 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
284 persson 1887 CoreMidi or AU
285 persson 1889 - fixed mingw-w64 compilation error in MME driver
286 persson 1924 - made program change handling in MIDI thread real-time safe by
287     moving the logic to a non-RT thread
288 persson 1951 - fixed minor memory leak in ALSA driver
289 persson 1651
290 schoenebeck 1604 * instruments database:
291 iliev 1603 - avoid time consuming samples scanning when adding instruments
292     to the instruments database
293 iliev 1727 - added support for handling lost files in the instruments database
294 iliev 1781 - Implemented option for adding instruments in separate directories
295     in the instruments database
296     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
297 persson 1908 - work-around for missing fnmatch function on Windows to make
298     instrument database compilable
299 schoenebeck 1930 - added instrument database support on Windows
300     works with both standalone mode and VST plugin.
301     the instruments DB file is located in
302     %USERPROFILE%\.linuxsampler\instruments.db which allows different
303     databases for each windows user
304     if no DB is present it automatically creates the .linuxsampler subdir
305     and then creates an empty DB
306 persson 1943 - fixed recursive import, which was broken on Windows
307 iliev 1603
308 persson 1644 * Gigasampler format engine:
309     - fixed a memory leak that could happen when a channel was deleted
310     while notes were playing
311 persson 1646 - made it possible to load an instrument even if the audio thread
312     isn't running
313 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
314     enough for piano gigs with pedal noise samples
315 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
316     respective FX send MIDI controller was used
317 schoenebeck 1724 - added support for GM global device volume SysEx message
318 schoenebeck 1762 (can be selected at compile time to either apply globally to the
319     whole sampler [default] or only to the sampler channels that are
320     connected to the respective MIDI input port the SysEx message arrived
321     on)
322 persson 1748 - bugfix: notes triggered at position 0 in the audio buffer were
323     sometimes wrongly killed in the same buffer, causing no sound to
324     be played
325 schoenebeck 1750 - added support for chromatic / drumkit mode Roland GS Sysex message
326     which is usally used to switch a part between chromatic sounds and
327     drumkit sounds (as opposed to their common default setting of MIDI
328     part 10 being a drumkit part and all other ones chromatic parts), in
329     LS however one can switch between the first 16 MIDI instrument maps
330     defined for the sampler
331 persson 1764 - made it possible to create multiple sample channels even if the
332     audio thread isn't running
333 persson 1844 - fixed crash when removing channel with active voices (#116)
334 schoenebeck 1852 - bugfix: on sample reference changes (instrument editor), only
335     un-cache the respective sample if it's really not used by any
336     sampler engine anymore
337     - re-cache samples in case they were changed by an instrument editor,
338     e.g. when a sample was added while playing (#82)
339 schoenebeck 1857 - fixed hanging notes which occured when note-off event had the exact
340     same time stamp as the voice's note-on event and occured both in the
341     same audio fragment cycle (fixes bug #112)
342 persson 1858 - added support for the "fine tune" and "pitch bend range"
343     instrument-level gig parameters
344     - fixed minor artifacts in pitch bend handling
345 schoenebeck 1860 - added support for GS Reset SysEx message
346 persson 1862 - allow gig files to use unlimited downward pitch shifting
347     - added a limit check for upward pitch shifting
348 persson 1906 - bugfix: sometimes, when playing a note twice fast, the second
349     note was silent
350 persson 1923 - fixed crash happening when a pitch bend event arrived at the
351     same time a new instrument was loading
352 persson 1644
353 schoenebeck 1687 * LSCP server:
354     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
355     react on MIDI data arriving on certain sampler channels (so far only
356     Note-On and Note-Off events are sent via this LSCP event)
357 schoenebeck 1695 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
358     react on MIDI data arriving on certain MIDI input devices (so far only
359     Note-On and Note-Off events are sent via this LSCP event)
360 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
361     SET DB_INSTRUMENT FILE_PATH
362 iliev 1771 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
363     frontends to send MIDI messages to specific sampler channel
364     - added two additional fields to GET FILE INSTRUMENT INFO command -
365     KEY_BINDINGS and KEYSWITCH_BINDINGS
366 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
367     was incorrect
368 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
369 schoenebeck 1800 - added new LSCP command "SET VOICES" to globally alter the maximum
370     amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
371     be triggered respectively
372     - added new LSCP command "SET STREAMS" to globally alter the maximum
373     amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
374     which will be triggered respectively
375 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
376     a gigedit file dialog is opened)
377 iliev 1848 - close all connections when LSCPServer is deleted
378 iliev 1882 - hard close of all sockets on exit
379 persson 1897 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
380     driver
381 schoenebeck 1687
382 iliev 1761 * Bug fixes:
383     - fixed a crash which occurs when removing a sampler channel waiting
384     to start instrument loading after another channel
385 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
386     instrument loading in progress (bug #113)
387 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
388     instrument with PERSISTENT load mode
389 iliev 1835 - fixed possible iterator invalidations when resetting the sampler
390     - fixed memory leaks when issuing the following LSCP commands:
391     GET AUDIO_OUTPUT_DRIVER INFO
392     GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
393     GET MIDI_INPUT_DRIVER INFO
394     GET MIDI_INPUT_DRIVER_PARAMETER INFO
395     - fixed possible compilation error when sqlite is not present
396 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
397 iliev 1847 - fixed crash when changing the audio output device of a sampler
398     channel with loaded instrument and start playing notes
399 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
400 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
401     PowerPC, which probably could cause crashes on that platform
402 persson 1889 - fixed a memory management error which could cause a crash when a
403     plugin was unloaded
404 persson 1896 - bugfix: two private structs had the same name, which could cause
405     problems if the linker chose the wrong constructor
406 persson 1933 - fixed low-level ConditionServer usage bug that caused lockups on
407     Windows
408 iliev 1761
409    
410 schoenebeck 1560 Version 0.5.1 (6 December 2007)
411 schoenebeck 1454
412     * packaging changes:
413     - added autoconf checks for pthread library
414     - added autoconf check for pthread bug found on certain NPTL-enabled
415     glibc versions (see Gentoo bug report #194076)
416 senoner 1502 - added autoconf checks for MS Windows
417 schoenebeck 1454
418 persson 1455 * general changes:
419     - bugfix: the thread used by an editor plugin didn't die when the
420     editor closed
421 persson 1534 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
422     out all the space. operator--() did not apply size_mask after
423     decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
424     order to avoid problems with the _NonVolatileReader functions.
425     - bugfix: Stream.h: added a missing divide by BytesPerSample in
426     GetWriteSpace(). Since this function is currently only used in
427     the stream's qsort() compare function, it didn't trigger any
428     bugs.
429     - Resampler.h, Synthesizer.h: cubic interpolation now works in
430     24bit mode too. Faster method to read 24bit words on little
431     endian machines (x86): replaced 3 byte reads + shifts with a 1
432     unaligned 32bit read and shift
433     - experimental support for MS Windows (MIDI input via MME, AUDIO
434     output via ASIO)
435     - made handling of SIGINT signal (Ctrl-C) a bit more robust
436 iliev 1541 - support for monitoring the total number of active disk streams
437     (new LSCP commands: GET TOTAL_STREAM_COUNT,
438     SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
439 persson 1455
440 senoner 1500 * AUDIO driver:
441 persson 1534 - added Windows ASIO low latency audio driver
442 senoner 1500
443 senoner 1485 * MIDI driver:
444 schoenebeck 1495 - added MME Windows MIDI driver
445 senoner 1485
446 schoenebeck 1471 * LSCP server:
447     - added support for Windows style path / filenames, however with
448     forward slash path separators instead of backslash
449     (i.e. "C:/foo/bar.gig")
450 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
451     apostrophes as well
452 schoenebeck 1525 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
453     "LIST FILE INSTRUMENTS <file>" and
454     "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
455     about an arbitrary instrument file on the system where the sampler is
456     running on
457 schoenebeck 1471
458 schoenebeck 1424 Version 0.5.0 (15 October 2007)
459 schoenebeck 947
460 schoenebeck 1065 * packaging changes:
461 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
462     API header files anymore
463 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
464     the Doxygen API documentation (explicitly listed in Doxyfile.in)
465 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
466     capable to execute our autoconf environment, thus no need anymore
467     to maintain the compile time configuration file (osx/version.h) for
468     OSX manually (patch by Toshi Nagata)
469 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
470     parameters
471 schoenebeck 1424 - global.h now only covers global definitions that are needed for the
472     C++ API header files, all implementation internal global definitions
473     are now in global_private.h
474     - atomic.h is not exposed to the C++ API anymore
475     - no need to include config.h anymore for using LS's API header files
476     - fixed warnings in API doc generation
477 schoenebeck 1065
478 schoenebeck 947 * general changes:
479     - replaced the old, confusing MIDI program change mechanism by a
480     flexible MIDI instrument mapper which allows to map arbitrary
481 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
482 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
483     loaded on the respective channel when such MIDI program change
484     messages arrive, beside that, each entry allows to define a life-time
485     strategy for the instrument, so the user can define whether the
486     instrument should i.e. be permanently loaded (to be able to switch
487     quickly among sounds) or i.e. loaded just on demand when the
488     respective program change arrives (to safe RAM space), as well as a
489     global volume factor for each entry, so the user can adjust the volume
490     dynamic of his mapped instrument collection without having to modify
491 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
492     MIDI instrument maps and assign each sampler channel individually
493     a certain map, so that i.e. separation of normal instruments and
494     drumkits is possible
495 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
496     MIDI instrument maps, MIDI instruments, FX sends, global volume.
497 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
498     due to a constant size RingBuffer FIFO which is now replaced by a
499     dynamic (unlimited) size std::list FIFO
500 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
501     output channels for being processed by external effect processors
502     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
503     controllers
504 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
505 iliev 1130 - Implemented new, improved notification system
506 schoenebeck 1149 - fixed compilation errors regarding OSX
507     (patch by Toshi Nagata)
508 iliev 1161 - implemented instruments database
509 iliev 1345 - added support for escape sequences to the instruments database
510 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
511     within the sampler's process (by using instrument editor plugins),
512     you'll notice the new "Registered instrument editors:" message on
513 schoenebeck 1407 startup, added a new LSCP command:
514     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
515 schoenebeck 1212 to spawn a matching instrument editor for the instrument on the
516     given sampler channel, the plugin path can be overridden at compile
517     time with ./configure --enable-plugin-dir=/some/dir
518 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
519     in the sampler's process to safely edit instruments while playing
520     without a crash (hopefully) by either suspending single regions
521     wherever possible or if unavoidable whole engine(s)
522 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
523     policy and priority on thread level, set a minimum stack size for
524     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
525     threads simply inherited properties of starting thread instead of
526     setting their own policy and priority
527 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
528     main process did not wait for the stack trace process to finish
529     its output
530 persson 1248 - fixed some minor memory leaks
531 schoenebeck 1259 - reenabled assembly features support, at the moment only for
532     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
533 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
534     register, to avoid relocations in the text segment at runtime)
535 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
536 schoenebeck 947
537     * MIDI driver:
538     - dispatch bank select (MSB and LSB) messages
539    
540 schoenebeck 1049 * audio driver:
541     - the ALSA audio output driver parameters now reflect the correct
542     parameter value ranges for the respective selected sound card
543     (patch by Till Wimmer, a bit fixed and extended)
544    
545 persson 951 * Gigasampler format engine:
546     - if a filter is used and EG2 finishes before EG1, let the voice
547     die when EG2 has finished (this fixes a problem with clicks and
548     voice starvation for some gigs)
549 persson 1038 - playback is no longer disabled during instrument loading
550     - all notes playing on a channel that changes its instrument keep
551     playing with the old instrument until they get a note off
552     command
553 persson 1039 - EG fix: a release value of zero could cause noises or crash
554 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
555 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
556     above max sustain level, which means that there is a decay phase
557     even if sustain is 100%
558 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
559     noises or crashes
560 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
561 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
562     supplied to the configure script (fixes #46)
563 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
564     instead of a fix value
565 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
566     127 (solo mode) only kill voices if the respective mode really
567     changed
568 persson 951
569 schoenebeck 1244 * LSCP server:
570     - fixed compile time error for old Bison versions
571     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
572 schoenebeck 1245 - parser now supports extended ASCII character set
573     (up to ASCII code 255, i.e. includes now umlauts and accents)
574     - filename arguments in LSCP commands now allow to use escape
575     sequences, that is directly literal as one of: \', \", \\, \n, \r,
576     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
577     code value like \xf2) (fixes bug #24)
578 schoenebeck 1389 - the following LSCP commands now also support escape sequences for at
579     least one of their text-based parameters (i.e. name, description):
580     "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
581     "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
582     "SET DB_INSTRUMENT_DIRECTORY NAME",
583     "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
584     "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
585     "FIND DB_INSTRUMENT_DIRECTORIES"
586 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
587     occured, the unexpected character and the actually expected, possible
588     character(s), the latter only if less than 5 possibilities)
589 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
590     settings
591 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
592     of strings were treated as being one string containing commas
593     (fixes #57)
594 schoenebeck 1244
595 iliev 959 * Bug fixes:
596     - fixed crash occurring on certain LSCP scripts (Bug 39)
597 persson 1038 - another thread safety fix for lscp "load engine" and "set
598     channel audio output device"
599 iliev 1283 - fixed a crash which occurs when reassigning the same engine
600     on a sampler channel with connected MIDI device
601 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
602     device connected to a sampler channel to number less then or equal
603     to the index of the port to which the sampler channel is connected.
604 iliev 1296 - The previous bindings were not been disconnected when altering
605     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
606     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
607 iliev 1297 - The active stream/voice count statistic was incorrect.
608 iliev 1298 - notification events were not been sent for some sampler
609     channel changes
610 iliev 1305 - added default min and max values to restrict the number of allowed
611     audio output channels and MIDI input ports
612 iliev 1306 - the connection to the PCM interface is now closed when destroying
613     an audio output device
614 schoenebeck 1332 - files with slash in their path or filename could not be loaded
615 iliev 959
616 schoenebeck 1221 * test cases:
617     - updated and fixed (haven't been touched in a while)
618    
619 schoenebeck 937 Version 0.4.0 (24 November 2006)
620 persson 696
621 schoenebeck 697 * packaging changes:
622 capela 868 - changed deprecated copyright attribute to license; added ldconfig
623     to post-(un)install steps; added devel package for liblinuxsampler;
624     to linuxsampler.spec (RPM)
625 schoenebeck 697 - install necessary development header files for allowing 3rd party
626     applications to link against liblinuxsampler
627     - liblinuxsampler's API documentation can be generated with 'make docs'
628     (Doxygen required)
629 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
630     implementation (currently either an integer math solution or a
631     di-harmonic approximation), automatic detection can be overriden
632     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
633     configure script argument though (mandatory for cross-compilation)
634 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
635     provided some on his own (as CXXFLAGS)
636 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
637     messages
638 schoenebeck 852 - added compile time options to allow disabling the various audio and
639     MIDI drivers
640 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
641     (patch by Ebrahim Mayat)
642 schoenebeck 697
643 persson 696 * Gigasampler format engine:
644 schoenebeck 738 - extensive synthesis optimization
645     (reimplementation of EGs and LFO(s), removed synthesis parameter
646     prerendering and the synthesis parameter matrix in general, splitting
647     each audio fragment into subfragments now where each subfragment uses
648 persson 830 constant pitch and filter coefficients. The volume coefficient is
649     linearly interpolated inside a subfragment, unless
650     --disable-interpolate-volume is set.)
651 persson 696 - fine tuning of the EG modulation parameters
652 persson 729 - improved filter cutoff calculation by adding support for the
653     following gig parameters: Cutoff freq (used when no cutoff
654     controller is defined), Control invert, Minimum cutoff, Velocity
655 persson 791 curve and Velocity range. The keyboard tracking now scales
656     cutoff frequency instead of resonance.
657 persson 877 - added support for gig parameter Resonance.
658 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
659 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
660     which can be overridden with --enable-global-attenuation
661 persson 783 - EG fixes: made the length of "attack hold" stage more
662     accurate. Release stage can now start before attack stage
663 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
664     time now has a minimal value to prevent clicks.
665 persson 799 - fixed pitch changes larger than one octave
666 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
667     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
668     all modes can be altered via standard GM messages, that is CC5 for
669     altering portamento time, CC65 for enabling / disabling portamento
670     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
671 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
672     parameter) and crossfade
673 persson 831 - added support for the "attenuation controller threshold" gig
674     parameter
675 persson 832 - added smoothing of volume changes caused by control change
676     messages
677 persson 865 - sample loop parameters are now taken from the DimensionRegion
678     instead of the wave chunk
679     - fixed keyswitching for v3 gigs with a number of keyswitch splits
680     not equal to a power of two
681 persson 877 - reimplementation of the filter algorithm. The new filter is more
682     accurate and supports all gig filter types, including bandreject
683     and lowpass turbo.
684 persson 903 - real support for 24 bit samples - samples are not truncated to
685     16 bits anymore
686     - support for aftertouch (channel pressure, not polyphonic
687     aftertouch)
688 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
689     amplifying from 0)
690 persson 696
691 schoenebeck 711 * LSCP server:
692     - fixed application exit on broken pipe error (fixes bug #20)
693 iliev 793 - fixed the notification messages delay due to lack of
694     network activity (fixes bug #26)
695 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
696     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
697 schoenebeck 711
698 schoenebeck 838 * audio driver:
699     - added aRts audio output driver (by no means RT safe)
700    
701 schoenebeck 775 * MIDI driver:
702     - fixed legacy sysex code which caused dispatching of MIDI SysEx
703     messages several times instead of once
704 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
705     for events (i.e. for offline rendering based MIDI drivers)
706 persson 922 - added checks for bad MIDI data
707 schoenebeck 775
708 schoenebeck 900 * linuxsampler application:
709     - show available sampler engine types on startup
710    
711 schoenebeck 705 * general changes:
712     - support for muting sampler channels and solo mode of the same, two new
713     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
714     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
715     introduced for this, the behavior is the same like on a mixer console
716 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
717     --enable-process-muted-channels which can be used to enable the
718     processing of muted channels.
719 iliev 777 - support for sostenuto pedal
720 iliev 779 - support for monitoring the total number of active voices
721 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
722     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
723 persson 835 - fixed some memory management errors
724 persson 841 - fixed some concurrency problems that could lead to crashes when
725     LSCP commands were executed
726 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
727     sampler channel (fixes bug #36)
728 schoenebeck 705
729 schoenebeck 692 Version 0.3.3 (15 July 2005)
730 schoenebeck 686
731     * packaging changes:
732     - fixed compilation with gcc 4.0
733    
734 schoenebeck 687 * Gigasampler format engine:
735     - LFO preprocessing was performed even though the respective LFO was
736     disabled by the instrument patch (minor efficiency fix)
737 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
738     for volume ramp downs in the same fragment (needed for current voice
739     stealing implementation) then simply inform the user with a warning
740     about possible click sounds and reduce the volume ramp down
741     appropriately instead of cancelling the audio device connection
742 schoenebeck 687
743 schoenebeck 677 Version 0.3.2 (24 June 2005)
744 schoenebeck 609
745     * packaging changes:
746     - updated autotools build files to compile on OS X
747     (conditional compilation of CoreMIDI and MidiShare drivers)
748 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
749     './configure --disable-asm' (definitely not recommended)
750 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
751     - require automake (>= 1.5) for 'make -f Makefile.cvs'
752     (due to 'dist-bzip2' automake option)
753 schoenebeck 649
754     * Gigasampler format engine:
755     - support for the gig parameters for "release velocity response" curves
756     - fine tuning of the EGADSR envelope
757     - volume of release triggered samples now depends on note-on velocity,
758     note length and gig parameter "release trigger decay" instead of
759     note-off velocity.
760 schoenebeck 663 - revised voice stealing
761     (fixes crash and endless loop caused by voice stealing)
762 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
763 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
764     instead of when the respective voice is actually launched
765     (fixes undefined behavior if stolen voices belonged to a key group -
766     this case was followed by a "killed voice survived" error message)
767 schoenebeck 669 - fixed minor issue with null/silence samples
768     (those stole voices even though they don't need a voice at all which
769     resulted in "voice stealing didn't work out" messages)
770 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
771     instrument or audio output device change
772 schoenebeck 654
773 schoenebeck 620 * LSCP server:
774 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
775 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
776 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
777 schoenebeck 609
778 schoenebeck 668 * linuxsampler application:
779     - added command line parameters --lscp-addr and --lscp-port to override
780     default IP address and port of LSCP server
781    
782 schoenebeck 579 Version 0.3.1 (24 May 2005)
783    
784     * initial release

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