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revision 668 by schoenebeck, Mon Jun 20 15:30:47 2005 UTC revision 1852 by schoenebeck, Sun Mar 1 22:22:03 2009 UTC
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1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * packaging changes:    * 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        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
10        - fixed configure so it detects x86_64 (#107)
11        - fixes for building with newer MinGW versions
12        - fix for building with bison 2.4 (#111)
13        - fixed building with libgig installed in a non-standard directory
14    
15      * general changes:
16        - bugfix: on some POSIX systems instrument editor plugins refused to
17          load as we used a non-portable Linux specific struct field
18          (fixes bug #70, patch by Ronald Baljeu)
19        - fixed endless loop which occured when loading an instrument editor
20          plugin DLL on Windows systems failed
21        - fixed memory leaks that occurred when liblinuxsampler was unloaded
22        - optimized the SynchronizedConfig class so it doesn't wait
23          unnecessarily long after an update
24        - added support for notifying instrument editors on note-on / note-off
25          events (e.g. to highlight the pressed keys on the virtual keyboard
26          of gigedit)
27        - added support for triggering notes by instrument editors (see above)
28        - be verbose on DLL load errors (on Linux)
29        - fixed di-harmonic triangle LFO implementation (this LFO implementation
30          is only used by very few systems, most pick the int math
31          implementation, which is usually faster)
32        - fixes for audio drivers with varying buffer sizes
33        - experimental support for running LinuxSampler as a DSSI, LV2 and
34          VST plugin
35        - notification events for stream/voice count statistics are now sent
36          only when there are actual changes
37        - added memory ordering constraints to improve stability on
38          multi-core and multi-cpu systems
39        - maximum voices and disk streams can now be altered at runtime
40        - fixed CPU feature detection on x86_64 (maybe fixes #108)
41        - automatic stacktrace mechanism is now turned off by default and can
42          be switched on by command line option "--stacktrace" (the automatic
43          stacktrace mechanism seems to be broken on most systems at the moment)
44    
45      * audio driver:
46        - removed the nonsense audio channel constraint (which was hard coded to
47          max. 100 audio channels) for most audio drivers
48        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
49          opposed to the LSCP specs
50        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
51          reflected the wrong value
52        - fixed a memory management bug in ASIO driver
53        - Makefile fix: JACK_CFLAGS wasn't used
54        - JACK: use jack_client_open instead of the deprecated
55          jack_client_new
56        - added (experimental) CoreAudio driver
57    
58      * MIDI driver:
59        - added JACK MIDI driver
60        - dispatch bank select as ordinary CC as well, the user might seriously
61          want to (mis)use it for some purpose ("fixed" in all current MIDI
62          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
63    
64      * instruments database:
65        - avoid time consuming samples scanning when adding instruments
66          to the instruments database
67        - added support for handling lost files in the instruments database
68        - Implemented option for adding instruments in separate directories
69          in the instruments database
70          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
71    
72      * Gigasampler format engine:
73        - fixed a memory leak that could happen when a channel was deleted
74          while notes were playing
75        - made it possible to load an instrument even if the audio thread
76          isn't running
77        - added partial support for the "Controller Triggered" MIDI rule,
78          enough for piano gigs with pedal noise samples
79        - minor fix: only mark FX sends as being modified if really the
80          respective FX send MIDI controller was used
81        - added support for GM global device volume SysEx message
82          (can be selected at compile time to either apply globally to the
83          whole sampler [default] or only to the sampler channels that are
84          connected to the respective MIDI input port the SysEx message arrived
85          on)
86        - bugfix: notes triggered at position 0 in the audio buffer were
87          sometimes wrongly killed in the same buffer, causing no sound to
88          be played
89        - added support for chromatic / drumkit mode Roland GS Sysex message
90          which is usally used to switch a part between chromatic sounds and
91          drumkit sounds (as opposed to their common default setting of MIDI
92          part 10 being a drumkit part and all other ones chromatic parts), in
93          LS however one can switch between the first 16 MIDI instrument maps
94          defined for the sampler
95        - made it possible to create multiple sample channels even if the
96          audio thread isn't running
97        - fixed crash when removing channel with active voices (#116)
98        - bugfix: on sample reference changes (instrument editor), only
99          un-cache the respective sample if it's really not used by any
100          sampler engine anymore
101        - re-cache samples in case they were changed by an instrument editor,
102          e.g. when a sample was added while playing (#82)
103    
104      * LSCP server:
105        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
106          react on MIDI data arriving on certain sampler channels (so far only
107          Note-On and Note-Off events are sent via this LSCP event)
108        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
109          react on MIDI data arriving on certain MIDI input devices (so far only
110          Note-On and Note-Off events are sent via this LSCP event)
111        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
112          SET DB_INSTRUMENT FILE_PATH
113        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
114          frontends to send MIDI messages to specific sampler channel
115        - added two additional fields to GET FILE INSTRUMENT INFO command -
116          KEY_BINDINGS and KEYSWITCH_BINDINGS
117        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
118          was incorrect
119        - Optimized the retrieval of the MIDI instrument mappings
120        - added new LSCP command "SET VOICES" to globally alter the maximum
121          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
122          be triggered respectively
123        - added new LSCP command "SET STREAMS" to globally alter the maximum
124          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
125          which will be triggered respectively
126        - bugfix: retry if "select" returns EINTR (this fixes a crash when
127          a gigedit file dialog is opened)
128        - close all connections when LSCPServer is deleted
129    
130      * Bug fixes:
131        - fixed a crash which occurs when removing a sampler channel waiting
132          to start instrument loading after another channel
133        - fixed a crash which occurs when removing a sampler channel with
134          instrument loading in progress (bug #113)
135        - fixed termination caused by uncaught exception when adding MIDI
136          instrument with PERSISTENT load mode
137        - fixed possible iterator invalidations when resetting the sampler
138        - fixed memory leaks when issuing the following LSCP commands:
139          GET AUDIO_OUTPUT_DRIVER INFO
140          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
141          GET MIDI_INPUT_DRIVER INFO
142          GET MIDI_INPUT_DRIVER_PARAMETER INFO
143        - fixed possible compilation error when sqlite is not present
144        - fixed orphaned pointers when setting maximum voices limit (bug #118)
145        - fixed crash when changing the audio output device of a sampler
146          channel with loaded instrument and start playing notes
147    
148    
149    Version 0.5.1 (6 December 2007)
150    
151      * packaging changes:
152        - added autoconf checks for pthread library
153        - added autoconf check for pthread bug found on certain NPTL-enabled
154          glibc versions (see Gentoo bug report #194076)
155        - added autoconf checks for MS Windows
156    
157      * general changes:
158        - bugfix: the thread used by an editor plugin didn't die when the
159          editor closed
160        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
161          out all the space. operator--() did not apply size_mask after
162          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
163          order to avoid problems with the _NonVolatileReader functions.
164        - bugfix: Stream.h: added a missing divide by BytesPerSample in
165          GetWriteSpace(). Since this function is currently only used in
166          the stream's qsort() compare function, it didn't trigger any
167          bugs.
168        - Resampler.h, Synthesizer.h: cubic interpolation now works in
169          24bit mode too. Faster method to read 24bit words on little
170          endian machines (x86): replaced 3 byte reads + shifts with a 1
171          unaligned 32bit read and shift
172        - experimental support for MS Windows (MIDI input via MME, AUDIO
173          output via ASIO)
174        - made handling of SIGINT signal (Ctrl-C) a bit more robust
175        - support for monitoring the total number of active disk streams
176          (new LSCP commands: GET TOTAL_STREAM_COUNT,
177          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
178    
179      * AUDIO driver:
180        - added Windows ASIO low latency audio driver
181    
182      * MIDI driver:
183        - added MME Windows MIDI driver
184    
185      * LSCP server:
186        - added support for Windows style path / filenames, however with
187          forward slash path separators instead of backslash
188          (i.e. "C:/foo/bar.gig")
189        - allow naughty liblscp to send non-string device parameters within
190          apostrophes as well
191        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
192          "LIST FILE INSTRUMENTS <file>" and
193          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
194          about an arbitrary instrument file on the system where the sampler is
195          running on
196    
197    Version 0.5.0 (15 October 2007)
198    
199      * packaging changes:
200        - config.h is not going to be installed along with liblinuxsampler's
201          API header files anymore
202        - only the API relevant header (and source) files will be exported to
203          the Doxygen API documentation (explicitly listed in Doxyfile.in)
204        - added completely new XCode project files for Mac OSX which is now
205          capable to execute our autoconf environment, thus no need anymore
206          to maintain the compile time configuration file (osx/version.h) for
207          OSX manually (patch by Toshi Nagata)
208        - fixed buggy boolean --enable-foo / --disable-foo configure script
209          parameters
210        - global.h now only covers global definitions that are needed for the
211          C++ API header files, all implementation internal global definitions
212          are now in global_private.h
213        - atomic.h is not exposed to the C++ API anymore
214        - no need to include config.h anymore for using LS's API header files
215        - fixed warnings in API doc generation
216    
217      * general changes:
218        - replaced the old, confusing MIDI program change mechanism by a
219          flexible MIDI instrument mapper which allows to map arbitrary
220          (MIDI bank, MIDI program) pairs with arbitrary
221          (engine type, instrument file, file index) triplets which will be
222          loaded on the respective channel when such MIDI program change
223          messages arrive, beside that, each entry allows to define a life-time
224          strategy for the instrument, so the user can define whether the
225          instrument should i.e. be permanently loaded (to be able to switch
226          quickly among sounds) or i.e. loaded just on demand when the
227          respective program change arrives (to safe RAM space), as well as a
228          global volume factor for each entry, so the user can adjust the volume
229          dynamic of his mapped instrument collection without having to modify
230          the instrument files, also one can manage arbitrary amount of such
231          MIDI instrument maps and assign each sampler channel individually
232          a certain map, so that i.e. separation of normal instruments and
233          drumkits is possible
234        - new notification events for tracking changes to audio/MIDI devices,
235          MIDI instrument maps, MIDI instruments, FX sends, global volume.
236        - sampler was limited to load max. 200 instruments in the background
237          due to a constant size RingBuffer FIFO which is now replaced by a
238          dynamic (unlimited) size std::list FIFO
239        - added FX sends, these allow to route audio signals to arbitrary audio
240          output channels for being processed by external effect processors
241          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
242          controllers
243        - global (sampler wide) volume can now be controlled at runtime
244        - Implemented new, improved notification system
245        - fixed compilation errors regarding OSX
246          (patch by Toshi Nagata)
247        - implemented instruments database
248        - added support for escape sequences to the instruments database
249        - added highly experimental support for on-the-fly instrument editing
250          within the sampler's process (by using instrument editor plugins),
251          you'll notice the new "Registered instrument editors:" message on
252          startup, added a new LSCP command:
253          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
254          to spawn a matching instrument editor for the instrument on the
255          given sampler channel, the plugin path can be overridden at compile
256          time with ./configure --enable-plugin-dir=/some/dir
257        - added experimental code for synchronizing instrument editors hosted
258          in the sampler's process to safely edit instruments while playing
259          without a crash (hopefully) by either suspending single regions
260          wherever possible or if unavoidable whole engine(s)
261        - fixed several issues in fundamental "Thread" class: set scheduling
262          policy and priority on thread level, set a minimum stack size for
263          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
264          threads simply inherited properties of starting thread instead of
265          setting their own policy and priority
266        - minor fix in our automatic stack trace mechanism on crashes, the
267          main process did not wait for the stack trace process to finish
268          its output
269        - fixed some minor memory leaks
270        - reenabled assembly features support, at the moment only for
271          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
272        - minor assembly fix in x86 features detection (don't use the PIC
273          register, to avoid relocations in the text segment at runtime)
274        - POSIX callback functions of Thread.h are hidden
275    
276      * MIDI driver:
277        - dispatch bank select (MSB and LSB) messages
278    
279      * audio driver:
280        - the ALSA audio output driver parameters now reflect the correct
281          parameter value ranges for the respective selected sound card
282          (patch by Till Wimmer, a bit fixed and extended)
283    
284      * Gigasampler format engine:
285        - if a filter is used and EG2 finishes before EG1, let the voice
286          die when EG2 has finished (this fixes a problem with clicks and
287          voice starvation for some gigs)
288        - playback is no longer disabled during instrument loading
289        - all notes playing on a channel that changes its instrument keep
290          playing with the old instrument until they get a note off
291          command
292        - EG fix: a release value of zero could cause noises or crash
293        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
294        - EG fine tuning: when attack is zero the EG starts at a level
295          above max sustain level, which means that there is a decay phase
296          even if sustain is 100%
297        - more EG fixes: the level could sometimes go below zero and cause
298          noises or crashes
299        - minor fix of EGDecay (patch by Toshi Nagata)
300        - fixed compiler error when --enable-override-filter-type was
301          supplied to the configure script (fixes #46)
302        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
303          instead of a fix value
304        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
305          127 (solo mode) only kill voices if the respective mode really
306          changed
307    
308      * LSCP server:
309        - fixed compile time error for old Bison versions
310          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
311        - parser now supports extended ASCII character set
312          (up to ASCII code 255, i.e. includes now umlauts and accents)
313        - filename arguments in LSCP commands now allow to use escape
314          sequences, that is directly literal as one of: \', \", \\, \n, \r,
315          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
316          code value like \xf2) (fixes bug #24)
317        - the following LSCP commands now also support escape sequences for at
318          least one of their text-based parameters (i.e. name, description):
319          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
320          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
321          "SET DB_INSTRUMENT_DIRECTORY NAME",
322          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
323          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
324          "FIND DB_INSTRUMENT_DIRECTORIES"
325        - returns verbose syntax errors (line and column where syntax error
326          occured, the unexpected character and the actually expected, possible
327          character(s), the latter only if less than 5 possibilities)
328        - made sure that LSCP syntax is not affected by gigedit locale
329          settings
330        - bugfix regarding strings parameter lists: all comma separated lists
331          of strings were treated as being one string containing commas
332          (fixes #57)
333    
334      * Bug fixes:
335        - fixed crash occurring on certain LSCP scripts (Bug 39)
336        - another thread safety fix for lscp "load engine" and "set
337          channel audio output device"
338        - fixed a crash which occurs when reassigning the same engine
339          on a sampler channel with connected MIDI device
340        - fixed a crash which occurs when changing the number of ports of a MIDI
341          device connected to a sampler channel to number less then or equal
342          to the index of the port to which the sampler channel is connected.
343        - The previous bindings were not been disconnected when altering
344          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
345          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
346        - The active stream/voice count statistic was incorrect.
347        - notification events were not been sent for some sampler
348          channel changes
349        - added default min and max values to restrict the number of allowed
350          audio output channels and MIDI input ports
351        - the connection to the PCM interface is now closed when destroying
352          an audio output device
353        - files with slash in their path or filename could not be loaded
354    
355      * test cases:
356        - updated and fixed (haven't been touched in a while)
357    
358    Version 0.4.0 (24 November 2006)
359    
360      * packaging changes:
361        - changed deprecated copyright attribute to license; added ldconfig
362          to post-(un)install steps; added devel package for liblinuxsampler;
363          to linuxsampler.spec (RPM)
364        - install necessary development header files for allowing 3rd party
365          applications to link against liblinuxsampler
366        - liblinuxsampler's API documentation can be generated with 'make docs'
367          (Doxygen required)
368        - added benchmark to automatically detect the best triangle LFO
369          implementation (currently either an integer math solution or a
370          di-harmonic approximation), automatic detection can be overriden
371          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
372          configure script argument though (mandatory for cross-compilation)
373        - do not automatically pick optimized gcc flags if the user already
374          provided some on his own (as CXXFLAGS)
375        - added compile time option to disable processing of All-Notes-Off MIDI
376          messages
377        - added compile time options to allow disabling the various audio and
378          MIDI drivers
379        - fixed automatic GCC CPU switch detection on PPC
380          (patch by Ebrahim Mayat)
381    
382      * Gigasampler format engine:
383        - extensive synthesis optimization
384          (reimplementation of EGs and LFO(s), removed synthesis parameter
385          prerendering and the synthesis parameter matrix in general, splitting
386          each audio fragment into subfragments now where each subfragment uses
387          constant pitch and filter coefficients. The volume coefficient is
388          linearly interpolated inside a subfragment, unless
389          --disable-interpolate-volume is set.)
390        - fine tuning of the EG modulation parameters
391        - improved filter cutoff calculation by adding support for the
392          following gig parameters: Cutoff freq (used when no cutoff
393          controller is defined), Control invert, Minimum cutoff, Velocity
394          curve and Velocity range. The keyboard tracking now scales
395          cutoff frequency instead of resonance.
396        - added support for gig parameter Resonance.
397        - fixed bug in sysex handling (patch by Juan Linietsky)
398        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
399          which can be overridden with --enable-global-attenuation
400        - EG fixes: made the length of "attack hold" stage more
401          accurate. Release stage can now start before attack stage
402          ends. Cancel release didn't work when sustain was zero. Attack
403          time now has a minimal value to prevent clicks.
404        - fixed pitch changes larger than one octave
405        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
406        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
407          all modes can be altered via standard GM messages, that is CC5 for
408          altering portamento time, CC65 for enabling / disabling portamento
409          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
410        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
411          parameter) and crossfade
412        - added support for the "attenuation controller threshold" gig
413          parameter
414        - added smoothing of volume changes caused by control change
415          messages
416        - sample loop parameters are now taken from the DimensionRegion
417          instead of the wave chunk
418        - fixed keyswitching for v3 gigs with a number of keyswitch splits
419          not equal to a power of two
420        - reimplementation of the filter algorithm. The new filter is more
421          accurate and supports all gig filter types, including bandreject
422          and lowpass turbo.
423        - real support for 24 bit samples - samples are not truncated to
424          16 bits anymore
425        - support for aftertouch (channel pressure, not polyphonic
426          aftertouch)
427        - LFO1 behaviour fixed (dampening from max volume instead of
428          amplifying from 0)
429    
430      * LSCP server:
431        - fixed application exit on broken pipe error (fixes bug #20)
432        - fixed the notification messages delay due to lack of
433          network activity (fixes bug #26)
434        - fixed parser bug which occured on space(s) within device parameters
435          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
436    
437      * audio driver:
438        - added aRts audio output driver (by no means RT safe)
439    
440      * MIDI driver:
441        - fixed legacy sysex code which caused dispatching of MIDI SysEx
442          messages several times instead of once
443        - API extension for MIDI drivers which already supply exact time stamps
444          for events (i.e. for offline rendering based MIDI drivers)
445        - added checks for bad MIDI data
446    
447      * linuxsampler application:
448        - show available sampler engine types on startup
449    
450      * general changes:
451        - support for muting sampler channels and solo mode of the same, two new
452          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
453          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
454          introduced for this, the behavior is the same like on a mixer console
455          (patch by Grigor Iliev, a bit adjusted). Also added configure option
456          --enable-process-muted-channels which can be used to enable the
457          processing of muted channels.
458        - support for sostenuto pedal
459        - support for monitoring the total number of active voices
460          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
461          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
462        - fixed some memory management errors
463        - fixed some concurrency problems that could lead to crashes when
464          LSCP commands were executed
465        - fixed crash when instrument loading failed previously on the same
466          sampler channel (fixes bug #36)
467    
468    Version 0.3.3 (15 July 2005)
469    
470      * packaging changes:
471        - fixed compilation with gcc 4.0
472    
473      * Gigasampler format engine:
474        - LFO preprocessing was performed even though the respective LFO was
475          disabled by the instrument patch (minor efficiency fix)
476        - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
477          for volume ramp downs in the same fragment (needed for current voice
478          stealing implementation) then simply inform the user with a warning
479          about possible click sounds and reduce the volume ramp down
480          appropriately instead of cancelling the audio device connection
481    
482    Version 0.3.2 (24 June 2005)
483    
484      * packaging changes:
485      - updated autotools build files to compile on OS X      - updated autotools build files to compile on OS X
486        (conditional compilation of CoreMIDI and MidiShare drivers)        (conditional compilation of CoreMIDI and MidiShare drivers)
487      - hand-crafted assembly optimization code can be disabled with      - hand-crafted assembly optimization code can be disabled with
# Line 22  Version CVS HEAD (?) Line 503  Version CVS HEAD (?)
503        instead of when the respective voice is actually launched        instead of when the respective voice is actually launched
504        (fixes undefined behavior if stolen voices belonged to a key group -        (fixes undefined behavior if stolen voices belonged to a key group -
505        this case was followed by a "killed voice survived" error message)        this case was followed by a "killed voice survived" error message)
506        - fixed minor issue with null/silence samples
507          (those stole voices even though they don't need a voice at all which
508          resulted in "voice stealing didn't work out" messages)
509        - don't reset volume, pan, pitch and MIDI controller values on
510          instrument or audio output device change
511    
512    * LSCP server:    * LSCP server:
513      - fixed some crashes (patch by Grigor Iliev, fixes #19)      - fixed some crashes (patch by Grigor Iliev, fixes #19)
514      - fixed LSCP event "CHANNEL_INFO" notification      - fixed LSCP event "CHANNEL_INFO" notification
515        (e.g. did not notify on volume changes)        (e.g. did not notify on volume changes or MIDI program change events)
516    
517    * linuxsampler application:    * linuxsampler application:
518      - added command line parameters --lscp-addr and --lscp-port to override      - added command line parameters --lscp-addr and --lscp-port to override

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