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Revision 1771 - (show annotations) (download)
Wed Sep 10 15:02:24 2008 UTC (15 years, 6 months ago) by iliev
File size: 24029 byte(s)
* added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
  frontends to send MIDI messages to specific sampler channel
* added two additional fields to GET FILE INSTRUMENT INFO command -
  KEY_BINDINGS and KEYSWITCH_BINDINGS
* InstrumentResourceManager::GetInstrumentInfo now scans the specified
  instrument file only if it is not loaded in the instrument manager

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

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