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revision 1041 by schoenebeck, Wed Feb 7 17:45:19 2007 UTC revision 2119 by persson, Fri Aug 27 16:27:16 2010 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * packaging changes:
4        - fixed building with newer MinGW-w64
5    
6      * general changes:
7        - Refactoring: moved the independent code from
8          the Gigasampler format engine to base classes
9        - command line option '--profile' is currently disabled, since the
10          respective profiling code is currently broken
11        - Introduced support for optional environment variable
12          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
13          where the sampler shall look for instrument editor plugins
14          (patch by Luis Garrido, slightly modified).
15    
16      * Gigasampler format engine:
17        - implemented the "round robin keyboard" dimension
18        - fixed round robin and random dimensions for cases when number of
19          dimension zones is not a power of two
20        - made round robin use a counter for each region instead of each
21          key
22    
23      * SFZ format engine:
24        - Initial implementation (not usable yet)
25        - added support for v2 multiple stage envelope generators
26        - added a fine-tuned v1 envelope generator instead of using the
27          one from the gig engine
28        - fixed memory leak and memory handling errors
29        - added support for trigger=first, trigger=legato and sw_previous
30        - allow non-numerical key values ("C#4" for example)
31        - "key" opcode now sets pitch_keycenter too
32        - fixed error when unloading instrument with same sample used by
33          multiple regions
34        - added some opcode aliases, like loopmode for loop_mode, to be
35          more compatible
36        - added support for trigger=release and rt_decay
37        - added support for off_mode=normal
38        - added support for random, seq_position, seq_length and volume
39        - added v1 LFO opcodes to parser (no support in engine yet)
40        - added support for amp_veltrack and amp_velcurve_N
41        - fine-tuned the default velocity curve
42        - added support for transpose
43        - fixed crash when using sw_down/up
44        - improved logic for sw_lokey/hikey/up/down/last
45        - added more v1 aliases to parser
46        - reduced memory usage for sfz data
47        - RT-safeness: avoid malloc in audio thread
48        - fixed a bug that could cause voice stealing to fail
49        - optimized sample lookup
50        - improved support for exclusive groups (group, off_by and
51          off_mode)
52        - added support for controller triggered regions (on_locc/on_hicc)
53        - added support for loop_mode=one_shot
54        - fixed playback of 16 bit wav files on big endian CPUs
55        - added support for Ogg Vorbis sample files
56    
57      * SoundFont format engine:
58        - Initial implementation (not usable yet)
59        - RT-safeness: avoid malloc in audio thread
60        - fixed a bug that could cause voice stealing to fail
61    
62      * Host plugins:
63        - AU bugfix: failed to destroy its audio/MIDI devices
64        - Listen to all interfaces on Mac OS X (INADDR_ANY)
65        - VST bugfix: If the host called resume() before and after
66          changing sample rate or block size, the number of channels was
67          incorrectly set to two. This caused silence in Cubase 5.
68    
69      * MIDI driver:
70        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
71          the ALSA sequencer client name
72    
73      * LSCP server:
74        - added support for sending MIDI CC messages via LSCP command
75          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
76    
77      * Bug fixes:
78        - Fixed crash which may occur when MIDI key + transpose is out of range
79        - minor valgrind fixes
80    
81    Version 1.0.0 (31 July 2009)
82    
83      * packaging changes:
84        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
85          causing e.g. the libgig test to fail when
86          "./configure --disable-jack-driver" was used
87          (patch by Alexis Ballier)
88        - fixed compilation with gcc 4.3
89        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
90        - fixed configure so it detects x86_64 (#107)
91        - fixes for building with newer MinGW versions
92        - fix for building with bison 2.4 (#111)
93        - fixed building with libgig installed in a non-standard directory
94        - minor fix in configure for mmsystem.h detection on MinGW
95        - Windows: look for editor plugins and Fantasia using base
96          directory of liblinuxsampler dll (look in the same directory and one
97          directory above)
98        - configure script fix: removed unconditional use of SSE
99        - fixed building with sqlite installed in a non-standard directory
100        - when cross-compiling, don't try to create instruments.db
101        - fix for new mingw-w64 version, which has usleep
102    
103      * general changes:
104        - bugfix: on some POSIX systems instrument editor plugins refused to
105          load as we used a non-portable Linux specific struct field
106          (fixes bug #70, patch by Ronald Baljeu)
107        - fixed endless loop which occured when loading an instrument editor
108          plugin DLL on Windows systems failed
109        - fixed memory leaks that occurred when liblinuxsampler was unloaded
110        - optimized the SynchronizedConfig class so it doesn't wait
111          unnecessarily long after an update
112        - added support for notifying instrument editors on note-on / note-off
113          events (e.g. to highlight the pressed keys on the virtual keyboard
114          of gigedit)
115        - added support for triggering notes by instrument editors (see above)
116        - be verbose on DLL load errors (on Linux)
117        - fixed di-harmonic triangle LFO implementation (this LFO implementation
118          is only used by very few systems, most pick the int math
119          implementation, which is usually faster)
120        - fixes for audio drivers with varying buffer sizes
121        - experimental support for running LinuxSampler as a DSSI, LV2 and
122          VST plugin
123        - notification events for stream/voice count statistics are now sent
124          only when there are actual changes
125        - added memory ordering constraints to improve stability on
126          multi-core and multi-cpu systems
127        - maximum voices and disk streams can now be altered at runtime
128        - fixed CPU feature detection on x86_64 (maybe fixes #108)
129        - automatic stacktrace mechanism is now turned off by default and can
130          be switched on by command line option "--stacktrace" (the automatic
131          stacktrace mechanism seems to be broken on most systems at the moment)
132        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
133          a pointer to the launched InstrumentEditor object
134        - added optional 3rd party user data parameter for following
135          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
136          InstrumentEditor::Launch(),
137          InstrumentManager::LaunchInstrumentEditor()
138        - theoretical fix: made SynchronizedConfig follow C++0x memory
139          model more strictly
140        - fixes for using large audio device buffers
141        - Windows: add the installation directory to the DLL search path
142          when loading an editor plugin (solves problems with VST and
143          gigedit on systems with other GTK versions installed)
144    
145      * audio driver:
146        - removed the nonsense audio channel constraint (which was hard coded to
147          max. 100 audio channels) for most audio drivers
148        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
149          opposed to the LSCP specs
150        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
151          reflected the wrong value
152        - fixed a memory management bug in ASIO driver
153        - Makefile fix: JACK_CFLAGS wasn't used
154        - JACK: use jack_client_open instead of the deprecated
155          jack_client_new
156        - added (experimental) CoreAudio driver
157        - applied old fixes to the ASIO driver that were included in the
158          previous binary release but accidentally never committed to CVS
159          (fixes #117)
160        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
161          win64)
162        - VST: added support for sample rate and buffer size changes
163        - VST: close editor (Fantasia) when the VST is removed
164        - VST: avoid opening Fantasia more than once for each VST instance
165        - VST: export main function as "main" on Linux too (fix for
166          energyXT)
167        - VST: changed number of output channels from one stereo to 16
168          stereo
169        - added channel routing, fxsends and midi maps to the settings
170          stored in the plugin state
171        - performance optimization of AudioChannel::MixTo() and
172          AudioChannel::CopyTo() methods using GCC vector exensions
173          (if available)
174        - ASIO fixes: avoid initializing the device twice, avoid throwing
175          exception when getting parameters from a disconnected device
176    
177      * MIDI driver:
178        - added JACK MIDI driver
179        - dispatch bank select as ordinary CC as well, the user might seriously
180          want to (mis)use it for some purpose ("fixed" in all current MIDI
181          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
182        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
183          CoreMidi or AU
184        - fixed mingw-w64 compilation error in MME driver
185        - made program change handling in MIDI thread real-time safe by
186          moving the logic to a non-RT thread
187        - fixed minor memory leak in ALSA driver
188    
189      * instruments database:
190        - avoid time consuming samples scanning when adding instruments
191          to the instruments database
192        - added support for handling lost files in the instruments database
193        - Implemented option for adding instruments in separate directories
194          in the instruments database
195          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
196        - work-around for missing fnmatch function on Windows to make
197          instrument database compilable
198        - added instrument database support on Windows
199          works with both standalone mode and VST plugin.
200          the instruments DB file is located in
201          %USERPROFILE%\.linuxsampler\instruments.db which allows different
202          databases for each windows user
203          if no DB is present it automatically creates the .linuxsampler subdir
204          and then creates an empty DB
205        - fixed recursive import, which was broken on Windows
206    
207      * Gigasampler format engine:
208        - fixed a memory leak that could happen when a channel was deleted
209          while notes were playing
210        - made it possible to load an instrument even if the audio thread
211          isn't running
212        - added partial support for the "Controller Triggered" MIDI rule,
213          enough for piano gigs with pedal noise samples
214        - minor fix: only mark FX sends as being modified if really the
215          respective FX send MIDI controller was used
216        - added support for GM global device volume SysEx message
217          (can be selected at compile time to either apply globally to the
218          whole sampler [default] or only to the sampler channels that are
219          connected to the respective MIDI input port the SysEx message arrived
220          on)
221        - bugfix: notes triggered at position 0 in the audio buffer were
222          sometimes wrongly killed in the same buffer, causing no sound to
223          be played
224        - added support for chromatic / drumkit mode Roland GS Sysex message
225          which is usally used to switch a part between chromatic sounds and
226          drumkit sounds (as opposed to their common default setting of MIDI
227          part 10 being a drumkit part and all other ones chromatic parts), in
228          LS however one can switch between the first 16 MIDI instrument maps
229          defined for the sampler
230        - made it possible to create multiple sample channels even if the
231          audio thread isn't running
232        - fixed crash when removing channel with active voices (#116)
233        - bugfix: on sample reference changes (instrument editor), only
234          un-cache the respective sample if it's really not used by any
235          sampler engine anymore
236        - re-cache samples in case they were changed by an instrument editor,
237          e.g. when a sample was added while playing (#82)
238        - fixed hanging notes which occured when note-off event had the exact
239          same time stamp as the voice's note-on event and occured both in the
240          same audio fragment cycle (fixes bug #112)
241        - added support for the "fine tune" and "pitch bend range"
242          instrument-level gig parameters
243        - fixed minor artifacts in pitch bend handling
244        - added support for GS Reset SysEx message
245        - allow gig files to use unlimited downward pitch shifting
246        - added a limit check for upward pitch shifting
247        - bugfix: sometimes, when playing a note twice fast, the second
248          note was silent
249        - fixed crash happening when a pitch bend event arrived at the
250          same time a new instrument was loading
251    
252      * LSCP server:
253        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
254          react on MIDI data arriving on certain sampler channels (so far only
255          Note-On and Note-Off events are sent via this LSCP event)
256        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
257          react on MIDI data arriving on certain MIDI input devices (so far only
258          Note-On and Note-Off events are sent via this LSCP event)
259        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
260          SET DB_INSTRUMENT FILE_PATH
261        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
262          frontends to send MIDI messages to specific sampler channel
263        - added two additional fields to GET FILE INSTRUMENT INFO command -
264          KEY_BINDINGS and KEYSWITCH_BINDINGS
265        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
266          was incorrect
267        - Optimized the retrieval of the MIDI instrument mappings
268        - added new LSCP command "SET VOICES" to globally alter the maximum
269          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
270          be triggered respectively
271        - added new LSCP command "SET STREAMS" to globally alter the maximum
272          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
273          which will be triggered respectively
274        - bugfix: retry if "select" returns EINTR (this fixes a crash when
275          a gigedit file dialog is opened)
276        - close all connections when LSCPServer is deleted
277        - hard close of all sockets on exit
278        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
279          driver
280    
281      * Bug fixes:
282        - fixed a crash which occurs when removing a sampler channel waiting
283          to start instrument loading after another channel
284        - fixed a crash which occurs when removing a sampler channel with
285          instrument loading in progress (bug #113)
286        - fixed termination caused by uncaught exception when adding MIDI
287          instrument with PERSISTENT load mode
288        - fixed possible iterator invalidations when resetting the sampler
289        - fixed memory leaks when issuing the following LSCP commands:
290          GET AUDIO_OUTPUT_DRIVER INFO
291          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
292          GET MIDI_INPUT_DRIVER INFO
293          GET MIDI_INPUT_DRIVER_PARAMETER INFO
294        - fixed possible compilation error when sqlite is not present
295        - fixed orphaned pointers when setting maximum voices limit (bug #118)
296        - fixed crash when changing the audio output device of a sampler
297          channel with loaded instrument and start playing notes
298        - fixed endless loop in Engine::SuspendAll() (bug #120)
299        - fixed a low-level atomic load function that was broken on 64-bit
300          PowerPC, which probably could cause crashes on that platform
301        - fixed a memory management error which could cause a crash when a
302          plugin was unloaded
303        - bugfix: two private structs had the same name, which could cause
304          problems if the linker chose the wrong constructor
305        - fixed low-level ConditionServer usage bug that caused lockups on
306          Windows
307    
308    
309    Version 0.5.1 (6 December 2007)
310    
311      * packaging changes:
312        - added autoconf checks for pthread library
313        - added autoconf check for pthread bug found on certain NPTL-enabled
314          glibc versions (see Gentoo bug report #194076)
315        - added autoconf checks for MS Windows
316    
317      * general changes:
318        - bugfix: the thread used by an editor plugin didn't die when the
319          editor closed
320        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
321          out all the space. operator--() did not apply size_mask after
322          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
323          order to avoid problems with the _NonVolatileReader functions.
324        - bugfix: Stream.h: added a missing divide by BytesPerSample in
325          GetWriteSpace(). Since this function is currently only used in
326          the stream's qsort() compare function, it didn't trigger any
327          bugs.
328        - Resampler.h, Synthesizer.h: cubic interpolation now works in
329          24bit mode too. Faster method to read 24bit words on little
330          endian machines (x86): replaced 3 byte reads + shifts with a 1
331          unaligned 32bit read and shift
332        - experimental support for MS Windows (MIDI input via MME, AUDIO
333          output via ASIO)
334        - made handling of SIGINT signal (Ctrl-C) a bit more robust
335        - support for monitoring the total number of active disk streams
336          (new LSCP commands: GET TOTAL_STREAM_COUNT,
337          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
338    
339      * AUDIO driver:
340        - added Windows ASIO low latency audio driver
341    
342      * MIDI driver:
343        - added MME Windows MIDI driver
344    
345      * LSCP server:
346        - added support for Windows style path / filenames, however with
347          forward slash path separators instead of backslash
348          (i.e. "C:/foo/bar.gig")
349        - allow naughty liblscp to send non-string device parameters within
350          apostrophes as well
351        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
352          "LIST FILE INSTRUMENTS <file>" and
353          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
354          about an arbitrary instrument file on the system where the sampler is
355          running on
356    
357    Version 0.5.0 (15 October 2007)
358    
359      * packaging changes:
360        - config.h is not going to be installed along with liblinuxsampler's
361          API header files anymore
362        - only the API relevant header (and source) files will be exported to
363          the Doxygen API documentation (explicitly listed in Doxyfile.in)
364        - added completely new XCode project files for Mac OSX which is now
365          capable to execute our autoconf environment, thus no need anymore
366          to maintain the compile time configuration file (osx/version.h) for
367          OSX manually (patch by Toshi Nagata)
368        - fixed buggy boolean --enable-foo / --disable-foo configure script
369          parameters
370        - global.h now only covers global definitions that are needed for the
371          C++ API header files, all implementation internal global definitions
372          are now in global_private.h
373        - atomic.h is not exposed to the C++ API anymore
374        - no need to include config.h anymore for using LS's API header files
375        - fixed warnings in API doc generation
376    
377    * general changes:    * general changes:
378      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
379        flexible MIDI instrument mapper which allows to map arbitrary        flexible MIDI instrument mapper which allows to map arbitrary
# Line 17  Version CVS HEAD (?) Line 391  Version CVS HEAD (?)
391        MIDI instrument maps and assign each sampler channel individually        MIDI instrument maps and assign each sampler channel individually
392        a certain map, so that i.e. separation of normal instruments and        a certain map, so that i.e. separation of normal instruments and
393        drumkits is possible        drumkits is possible
394      - new notification events for tracking audio/MIDI device changes,      - new notification events for tracking changes to audio/MIDI devices,
395        MIDI instrument map changes and MIDI instrument changes        MIDI instrument maps, MIDI instruments, FX sends, global volume.
396      - sampler was limited to load max. 200 instruments in the background      - sampler was limited to load max. 200 instruments in the background
397        due to a constant size RingBuffer FIFO which is now replaced by a        due to a constant size RingBuffer FIFO which is now replaced by a
398        dynamic (unlimited) size std::list FIFO        dynamic (unlimited) size std::list FIFO
# Line 27  Version CVS HEAD (?) Line 401  Version CVS HEAD (?)
401        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
402        controllers        controllers
403      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
404        - Implemented new, improved notification system
405        - fixed compilation errors regarding OSX
406          (patch by Toshi Nagata)
407        - implemented instruments database
408        - added support for escape sequences to the instruments database
409        - added highly experimental support for on-the-fly instrument editing
410          within the sampler's process (by using instrument editor plugins),
411          you'll notice the new "Registered instrument editors:" message on
412          startup, added a new LSCP command:
413          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
414          to spawn a matching instrument editor for the instrument on the
415          given sampler channel, the plugin path can be overridden at compile
416          time with ./configure --enable-plugin-dir=/some/dir
417        - added experimental code for synchronizing instrument editors hosted
418          in the sampler's process to safely edit instruments while playing
419          without a crash (hopefully) by either suspending single regions
420          wherever possible or if unavoidable whole engine(s)
421        - fixed several issues in fundamental "Thread" class: set scheduling
422          policy and priority on thread level, set a minimum stack size for
423          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
424          threads simply inherited properties of starting thread instead of
425          setting their own policy and priority
426        - minor fix in our automatic stack trace mechanism on crashes, the
427          main process did not wait for the stack trace process to finish
428          its output
429        - fixed some minor memory leaks
430        - reenabled assembly features support, at the moment only for
431          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
432        - minor assembly fix in x86 features detection (don't use the PIC
433          register, to avoid relocations in the text segment at runtime)
434        - POSIX callback functions of Thread.h are hidden
435    
436    * MIDI driver:    * MIDI driver:
437      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
438    
439      * audio driver:
440        - the ALSA audio output driver parameters now reflect the correct
441          parameter value ranges for the respective selected sound card
442          (patch by Till Wimmer, a bit fixed and extended)
443    
444    * Gigasampler format engine:    * Gigasampler format engine:
445      - if a filter is used and EG2 finishes before EG1, let the voice      - if a filter is used and EG2 finishes before EG1, let the voice
446        die when EG2 has finished (this fixes a problem with clicks and        die when EG2 has finished (this fixes a problem with clicks and
# Line 41  Version CVS HEAD (?) Line 451  Version CVS HEAD (?)
451        command        command
452      - EG fix: a release value of zero could cause noises or crash      - EG fix: a release value of zero could cause noises or crash
453      - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)      - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
454        - EG fine tuning: when attack is zero the EG starts at a level
455          above max sustain level, which means that there is a decay phase
456          even if sustain is 100%
457        - more EG fixes: the level could sometimes go below zero and cause
458          noises or crashes
459        - minor fix of EGDecay (patch by Toshi Nagata)
460        - fixed compiler error when --enable-override-filter-type was
461          supplied to the configure script (fixes #46)
462        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
463          instead of a fix value
464        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
465          127 (solo mode) only kill voices if the respective mode really
466          changed
467    
468      * LSCP server:
469        - fixed compile time error for old Bison versions
470          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
471        - parser now supports extended ASCII character set
472          (up to ASCII code 255, i.e. includes now umlauts and accents)
473        - filename arguments in LSCP commands now allow to use escape
474          sequences, that is directly literal as one of: \', \", \\, \n, \r,
475          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
476          code value like \xf2) (fixes bug #24)
477        - the following LSCP commands now also support escape sequences for at
478          least one of their text-based parameters (i.e. name, description):
479          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
480          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
481          "SET DB_INSTRUMENT_DIRECTORY NAME",
482          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
483          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
484          "FIND DB_INSTRUMENT_DIRECTORIES"
485        - returns verbose syntax errors (line and column where syntax error
486          occured, the unexpected character and the actually expected, possible
487          character(s), the latter only if less than 5 possibilities)
488        - made sure that LSCP syntax is not affected by gigedit locale
489          settings
490        - bugfix regarding strings parameter lists: all comma separated lists
491          of strings were treated as being one string containing commas
492          (fixes #57)
493    
494    * Bug fixes:    * Bug fixes:
495      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
496      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
497        channel audio output device"        channel audio output device"
498        - fixed a crash which occurs when reassigning the same engine
499          on a sampler channel with connected MIDI device
500        - fixed a crash which occurs when changing the number of ports of a MIDI
501          device connected to a sampler channel to number less then or equal
502          to the index of the port to which the sampler channel is connected.
503        - The previous bindings were not been disconnected when altering
504          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
505          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
506        - The active stream/voice count statistic was incorrect.
507        - notification events were not been sent for some sampler
508          channel changes
509        - added default min and max values to restrict the number of allowed
510          audio output channels and MIDI input ports
511        - the connection to the PCM interface is now closed when destroying
512          an audio output device
513        - files with slash in their path or filename could not be loaded
514    
515      * test cases:
516        - updated and fixed (haven't been touched in a while)
517    
518  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
519    

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