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Revision 1777 - (show annotations) (download)
Mon Sep 15 16:58:10 2008 UTC (15 years, 6 months ago) by persson
File size: 24118 byte(s)
* added experimental support for running LinuxSampler as a DSSI, LV2
  and VST plugin

1 Version CVS HEAD (?)
2
3 * 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 - fixed compilation with gcc 4.3
9
10 * general changes:
11 - bugfix: on some POSIX systems instrument editor plugins refused to
12 load as we used a non-portable Linux specific struct field
13 (fixes bug #70, patch by Ronald Baljeu)
14 - fixed endless loop which occured when loading an instrument editor
15 plugin DLL on Windows systems failed
16 - fixed memory leaks that occurred when liblinuxsampler was unloaded
17 - optimized the SynchronizedConfig class so it doesn't wait
18 unnecessarily long after an update
19 - added support for notifying instrument editors on note-on / note-off
20 events (e.g. to highlight the pressed keys on the virtual keyboard
21 of gigedit)
22 - added support for triggering notes by instrument editors (see above)
23 - be verbose on DLL load errors (on Linux)
24 - fixed di-harmonic triangle LFO implementation (this LFO implementation
25 is only used by very few systems, most pick the int math
26 implementation, which is usually faster)
27 - fixes for audio drivers with varying buffer sizes
28 - experimental support for running LinuxSampler as a DSSI, LV2 and
29 VST plugin
30
31 * audio driver:
32 - removed the nonsense audio channel constraint (which was hard coded to
33 max. 100 audio channels) for most audio drivers
34 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
35 opposed to the LSCP specs
36 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
37 reflected the wrong value
38 - fixed a memory management bug in ASIO driver
39 - Makefile fix: JACK_CFLAGS wasn't used
40 - JACK: use jack_client_open instead of the deprecated
41 jack_client_new
42
43 * MIDI driver:
44 - added JACK MIDI driver
45 - dispatch bank select as ordinary CC as well, the user might seriously
46 want to (mis)use it for some purpose ("fixed" in all current MIDI
47 input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
48
49 * instruments database:
50 - avoid time consuming samples scanning when adding instruments
51 to the instruments database
52 - added support for handling lost files in the instruments database
53
54 * Gigasampler format engine:
55 - fixed a memory leak that could happen when a channel was deleted
56 while notes were playing
57 - made it possible to load an instrument even if the audio thread
58 isn't running
59 - added partial support for the "Controller Triggered" MIDI rule,
60 enough for piano gigs with pedal noise samples
61 - minor fix: only mark FX sends as being modified if really the
62 respective FX send MIDI controller was used
63 - added support for GM global device volume SysEx message
64 (can be selected at compile time to either apply globally to the
65 whole sampler [default] or only to the sampler channels that are
66 connected to the respective MIDI input port the SysEx message arrived
67 on)
68 - bugfix: notes triggered at position 0 in the audio buffer were
69 sometimes wrongly killed in the same buffer, causing no sound to
70 be played
71 - added support for chromatic / drumkit mode Roland GS Sysex message
72 which is usally used to switch a part between chromatic sounds and
73 drumkit sounds (as opposed to their common default setting of MIDI
74 part 10 being a drumkit part and all other ones chromatic parts), in
75 LS however one can switch between the first 16 MIDI instrument maps
76 defined for the sampler
77 - made it possible to create multiple sample channels even if the
78 audio thread isn't running
79
80 * LSCP server:
81 - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
82 react on MIDI data arriving on certain sampler channels (so far only
83 Note-On and Note-Off events are sent via this LSCP event)
84 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
85 react on MIDI data arriving on certain MIDI input devices (so far only
86 Note-On and Note-Off events are sent via this LSCP event)
87 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
88 SET DB_INSTRUMENT FILE_PATH
89 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
90 frontends to send MIDI messages to specific sampler channel
91 - added two additional fields to GET FILE INSTRUMENT INFO command -
92 KEY_BINDINGS and KEYSWITCH_BINDINGS
93 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
94 was incorrect
95 - Optimized the retrieval of the MIDI instrument mappings
96
97 * Bug fixes:
98 - fixed a crash which occurs when removing a sampler channel waiting
99 to start instrument loading after another channel
100
101
102 Version 0.5.1 (6 December 2007)
103
104 * packaging changes:
105 - added autoconf checks for pthread library
106 - added autoconf check for pthread bug found on certain NPTL-enabled
107 glibc versions (see Gentoo bug report #194076)
108 - added autoconf checks for MS Windows
109
110 * general changes:
111 - bugfix: the thread used by an editor plugin didn't die when the
112 editor closed
113 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
114 out all the space. operator--() did not apply size_mask after
115 decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
116 order to avoid problems with the _NonVolatileReader functions.
117 - bugfix: Stream.h: added a missing divide by BytesPerSample in
118 GetWriteSpace(). Since this function is currently only used in
119 the stream's qsort() compare function, it didn't trigger any
120 bugs.
121 - Resampler.h, Synthesizer.h: cubic interpolation now works in
122 24bit mode too. Faster method to read 24bit words on little
123 endian machines (x86): replaced 3 byte reads + shifts with a 1
124 unaligned 32bit read and shift
125 - experimental support for MS Windows (MIDI input via MME, AUDIO
126 output via ASIO)
127 - made handling of SIGINT signal (Ctrl-C) a bit more robust
128 - support for monitoring the total number of active disk streams
129 (new LSCP commands: GET TOTAL_STREAM_COUNT,
130 SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
131
132 * AUDIO driver:
133 - added Windows ASIO low latency audio driver
134
135 * MIDI driver:
136 - added MME Windows MIDI driver
137
138 * LSCP server:
139 - added support for Windows style path / filenames, however with
140 forward slash path separators instead of backslash
141 (i.e. "C:/foo/bar.gig")
142 - allow naughty liblscp to send non-string device parameters within
143 apostrophes as well
144 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
145 "LIST FILE INSTRUMENTS <file>" and
146 "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
147 about an arbitrary instrument file on the system where the sampler is
148 running on
149
150 Version 0.5.0 (15 October 2007)
151
152 * packaging changes:
153 - config.h is not going to be installed along with liblinuxsampler's
154 API header files anymore
155 - only the API relevant header (and source) files will be exported to
156 the Doxygen API documentation (explicitly listed in Doxyfile.in)
157 - added completely new XCode project files for Mac OSX which is now
158 capable to execute our autoconf environment, thus no need anymore
159 to maintain the compile time configuration file (osx/version.h) for
160 OSX manually (patch by Toshi Nagata)
161 - fixed buggy boolean --enable-foo / --disable-foo configure script
162 parameters
163 - global.h now only covers global definitions that are needed for the
164 C++ API header files, all implementation internal global definitions
165 are now in global_private.h
166 - atomic.h is not exposed to the C++ API anymore
167 - no need to include config.h anymore for using LS's API header files
168 - fixed warnings in API doc generation
169
170 * general changes:
171 - replaced the old, confusing MIDI program change mechanism by a
172 flexible MIDI instrument mapper which allows to map arbitrary
173 (MIDI bank, MIDI program) pairs with arbitrary
174 (engine type, instrument file, file index) triplets which will be
175 loaded on the respective channel when such MIDI program change
176 messages arrive, beside that, each entry allows to define a life-time
177 strategy for the instrument, so the user can define whether the
178 instrument should i.e. be permanently loaded (to be able to switch
179 quickly among sounds) or i.e. loaded just on demand when the
180 respective program change arrives (to safe RAM space), as well as a
181 global volume factor for each entry, so the user can adjust the volume
182 dynamic of his mapped instrument collection without having to modify
183 the instrument files, also one can manage arbitrary amount of such
184 MIDI instrument maps and assign each sampler channel individually
185 a certain map, so that i.e. separation of normal instruments and
186 drumkits is possible
187 - new notification events for tracking changes to audio/MIDI devices,
188 MIDI instrument maps, MIDI instruments, FX sends, global volume.
189 - sampler was limited to load max. 200 instruments in the background
190 due to a constant size RingBuffer FIFO which is now replaced by a
191 dynamic (unlimited) size std::list FIFO
192 - added FX sends, these allow to route audio signals to arbitrary audio
193 output channels for being processed by external effect processors
194 (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
195 controllers
196 - global (sampler wide) volume can now be controlled at runtime
197 - Implemented new, improved notification system
198 - fixed compilation errors regarding OSX
199 (patch by Toshi Nagata)
200 - implemented instruments database
201 - added support for escape sequences to the instruments database
202 - added highly experimental support for on-the-fly instrument editing
203 within the sampler's process (by using instrument editor plugins),
204 you'll notice the new "Registered instrument editors:" message on
205 startup, added a new LSCP command:
206 "EDIT CHANNEL INSTRUMENT <sampler-channel>"
207 to spawn a matching instrument editor for the instrument on the
208 given sampler channel, the plugin path can be overridden at compile
209 time with ./configure --enable-plugin-dir=/some/dir
210 - added experimental code for synchronizing instrument editors hosted
211 in the sampler's process to safely edit instruments while playing
212 without a crash (hopefully) by either suspending single regions
213 wherever possible or if unavoidable whole engine(s)
214 - fixed several issues in fundamental "Thread" class: set scheduling
215 policy and priority on thread level, set a minimum stack size for
216 thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
217 threads simply inherited properties of starting thread instead of
218 setting their own policy and priority
219 - minor fix in our automatic stack trace mechanism on crashes, the
220 main process did not wait for the stack trace process to finish
221 its output
222 - fixed some minor memory leaks
223 - reenabled assembly features support, at the moment only for
224 enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
225 - minor assembly fix in x86 features detection (don't use the PIC
226 register, to avoid relocations in the text segment at runtime)
227 - POSIX callback functions of Thread.h are hidden
228
229 * MIDI driver:
230 - dispatch bank select (MSB and LSB) messages
231
232 * audio driver:
233 - the ALSA audio output driver parameters now reflect the correct
234 parameter value ranges for the respective selected sound card
235 (patch by Till Wimmer, a bit fixed and extended)
236
237 * Gigasampler format engine:
238 - if a filter is used and EG2 finishes before EG1, let the voice
239 die when EG2 has finished (this fixes a problem with clicks and
240 voice starvation for some gigs)
241 - playback is no longer disabled during instrument loading
242 - all notes playing on a channel that changes its instrument keep
243 playing with the old instrument until they get a note off
244 command
245 - EG fix: a release value of zero could cause noises or crash
246 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
247 - EG fine tuning: when attack is zero the EG starts at a level
248 above max sustain level, which means that there is a decay phase
249 even if sustain is 100%
250 - more EG fixes: the level could sometimes go below zero and cause
251 noises or crashes
252 - minor fix of EGDecay (patch by Toshi Nagata)
253 - fixed compiler error when --enable-override-filter-type was
254 supplied to the configure script (fixes #46)
255 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
256 instead of a fix value
257 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
258 127 (solo mode) only kill voices if the respective mode really
259 changed
260
261 * LSCP server:
262 - fixed compile time error for old Bison versions
263 (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
264 - parser now supports extended ASCII character set
265 (up to ASCII code 255, i.e. includes now umlauts and accents)
266 - filename arguments in LSCP commands now allow to use escape
267 sequences, that is directly literal as one of: \', \", \\, \n, \r,
268 \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
269 code value like \xf2) (fixes bug #24)
270 - the following LSCP commands now also support escape sequences for at
271 least one of their text-based parameters (i.e. name, description):
272 "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
273 "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
274 "SET DB_INSTRUMENT_DIRECTORY NAME",
275 "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
276 "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
277 "FIND DB_INSTRUMENT_DIRECTORIES"
278 - returns verbose syntax errors (line and column where syntax error
279 occured, the unexpected character and the actually expected, possible
280 character(s), the latter only if less than 5 possibilities)
281 - made sure that LSCP syntax is not affected by gigedit locale
282 settings
283 - bugfix regarding strings parameter lists: all comma separated lists
284 of strings were treated as being one string containing commas
285 (fixes #57)
286
287 * Bug fixes:
288 - fixed crash occurring on certain LSCP scripts (Bug 39)
289 - another thread safety fix for lscp "load engine" and "set
290 channel audio output device"
291 - fixed a crash which occurs when reassigning the same engine
292 on a sampler channel with connected MIDI device
293 - fixed a crash which occurs when changing the number of ports of a MIDI
294 device connected to a sampler channel to number less then or equal
295 to the index of the port to which the sampler channel is connected.
296 - The previous bindings were not been disconnected when altering
297 the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
298 unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
299 - The active stream/voice count statistic was incorrect.
300 - notification events were not been sent for some sampler
301 channel changes
302 - added default min and max values to restrict the number of allowed
303 audio output channels and MIDI input ports
304 - the connection to the PCM interface is now closed when destroying
305 an audio output device
306 - files with slash in their path or filename could not be loaded
307
308 * test cases:
309 - updated and fixed (haven't been touched in a while)
310
311 Version 0.4.0 (24 November 2006)
312
313 * packaging changes:
314 - changed deprecated copyright attribute to license; added ldconfig
315 to post-(un)install steps; added devel package for liblinuxsampler;
316 to linuxsampler.spec (RPM)
317 - install necessary development header files for allowing 3rd party
318 applications to link against liblinuxsampler
319 - liblinuxsampler's API documentation can be generated with 'make docs'
320 (Doxygen required)
321 - added benchmark to automatically detect the best triangle LFO
322 implementation (currently either an integer math solution or a
323 di-harmonic approximation), automatic detection can be overriden
324 with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
325 configure script argument though (mandatory for cross-compilation)
326 - do not automatically pick optimized gcc flags if the user already
327 provided some on his own (as CXXFLAGS)
328 - added compile time option to disable processing of All-Notes-Off MIDI
329 messages
330 - added compile time options to allow disabling the various audio and
331 MIDI drivers
332 - fixed automatic GCC CPU switch detection on PPC
333 (patch by Ebrahim Mayat)
334
335 * Gigasampler format engine:
336 - extensive synthesis optimization
337 (reimplementation of EGs and LFO(s), removed synthesis parameter
338 prerendering and the synthesis parameter matrix in general, splitting
339 each audio fragment into subfragments now where each subfragment uses
340 constant pitch and filter coefficients. The volume coefficient is
341 linearly interpolated inside a subfragment, unless
342 --disable-interpolate-volume is set.)
343 - fine tuning of the EG modulation parameters
344 - improved filter cutoff calculation by adding support for the
345 following gig parameters: Cutoff freq (used when no cutoff
346 controller is defined), Control invert, Minimum cutoff, Velocity
347 curve and Velocity range. The keyboard tracking now scales
348 cutoff frequency instead of resonance.
349 - added support for gig parameter Resonance.
350 - fixed bug in sysex handling (patch by Juan Linietsky)
351 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
352 which can be overridden with --enable-global-attenuation
353 - EG fixes: made the length of "attack hold" stage more
354 accurate. Release stage can now start before attack stage
355 ends. Cancel release didn't work when sustain was zero. Attack
356 time now has a minimal value to prevent clicks.
357 - fixed pitch changes larger than one octave
358 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
359 - implemented portamento mode and solo mode (a.k.a 'mono mode'):
360 all modes can be altered via standard GM messages, that is CC5 for
361 altering portamento time, CC65 for enabling / disabling portamento
362 mode, CC126 for enabling solo mode and CC127 for disabling solo mode
363 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
364 parameter) and crossfade
365 - added support for the "attenuation controller threshold" gig
366 parameter
367 - added smoothing of volume changes caused by control change
368 messages
369 - sample loop parameters are now taken from the DimensionRegion
370 instead of the wave chunk
371 - fixed keyswitching for v3 gigs with a number of keyswitch splits
372 not equal to a power of two
373 - reimplementation of the filter algorithm. The new filter is more
374 accurate and supports all gig filter types, including bandreject
375 and lowpass turbo.
376 - real support for 24 bit samples - samples are not truncated to
377 16 bits anymore
378 - support for aftertouch (channel pressure, not polyphonic
379 aftertouch)
380 - LFO1 behaviour fixed (dampening from max volume instead of
381 amplifying from 0)
382
383 * LSCP server:
384 - fixed application exit on broken pipe error (fixes bug #20)
385 - fixed the notification messages delay due to lack of
386 network activity (fixes bug #26)
387 - fixed parser bug which occured on space(s) within device parameters
388 (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
389
390 * audio driver:
391 - added aRts audio output driver (by no means RT safe)
392
393 * MIDI driver:
394 - fixed legacy sysex code which caused dispatching of MIDI SysEx
395 messages several times instead of once
396 - API extension for MIDI drivers which already supply exact time stamps
397 for events (i.e. for offline rendering based MIDI drivers)
398 - added checks for bad MIDI data
399
400 * linuxsampler application:
401 - show available sampler engine types on startup
402
403 * general changes:
404 - support for muting sampler channels and solo mode of the same, two new
405 LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
406 fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
407 introduced for this, the behavior is the same like on a mixer console
408 (patch by Grigor Iliev, a bit adjusted). Also added configure option
409 --enable-process-muted-channels which can be used to enable the
410 processing of muted channels.
411 - support for sostenuto pedal
412 - support for monitoring the total number of active voices
413 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
414 SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
415 - fixed some memory management errors
416 - fixed some concurrency problems that could lead to crashes when
417 LSCP commands were executed
418 - fixed crash when instrument loading failed previously on the same
419 sampler channel (fixes bug #36)
420
421 Version 0.3.3 (15 July 2005)
422
423 * packaging changes:
424 - fixed compilation with gcc 4.0
425
426 * Gigasampler format engine:
427 - LFO preprocessing was performed even though the respective LFO was
428 disabled by the instrument patch (minor efficiency fix)
429 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
430 for volume ramp downs in the same fragment (needed for current voice
431 stealing implementation) then simply inform the user with a warning
432 about possible click sounds and reduce the volume ramp down
433 appropriately instead of cancelling the audio device connection
434
435 Version 0.3.2 (24 June 2005)
436
437 * packaging changes:
438 - updated autotools build files to compile on OS X
439 (conditional compilation of CoreMIDI and MidiShare drivers)
440 - hand-crafted assembly optimization code can be disabled with
441 './configure --disable-asm' (definitely not recommended)
442 - fixed 'make dist' rule to include all necessary files
443 - require automake (>= 1.5) for 'make -f Makefile.cvs'
444 (due to 'dist-bzip2' automake option)
445
446 * Gigasampler format engine:
447 - support for the gig parameters for "release velocity response" curves
448 - fine tuning of the EGADSR envelope
449 - volume of release triggered samples now depends on note-on velocity,
450 note length and gig parameter "release trigger decay" instead of
451 note-off velocity.
452 - revised voice stealing
453 (fixes crash and endless loop caused by voice stealing)
454 - don't reset scale tuning on instrument or audio output device change
455 - handle key group conflicts right at the beginning of each fragment
456 instead of when the respective voice is actually launched
457 (fixes undefined behavior if stolen voices belonged to a key group -
458 this case was followed by a "killed voice survived" error message)
459 - fixed minor issue with null/silence samples
460 (those stole voices even though they don't need a voice at all which
461 resulted in "voice stealing didn't work out" messages)
462 - don't reset volume, pan, pitch and MIDI controller values on
463 instrument or audio output device change
464
465 * LSCP server:
466 - fixed some crashes (patch by Grigor Iliev, fixes #19)
467 - fixed LSCP event "CHANNEL_INFO" notification
468 (e.g. did not notify on volume changes or MIDI program change events)
469
470 * linuxsampler application:
471 - added command line parameters --lscp-addr and --lscp-port to override
472 default IP address and port of LSCP server
473
474 Version 0.3.1 (24 May 2005)
475
476 * initial release

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