/[svn]/linuxsampler/trunk/ChangeLog

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-revision 715 by schoenebeck,
Sat Jul 23 21:57:36 2005 UTC
+revision 3354 by schoenebeck,
Thu Oct 12 14:44:14 2017 UTC
 Line 1
- Version CVS HEAD (?)
+ Version SVN trunk (?)
+   * SFZ format engine:
+     - added support for <global>, <master> and #define (patch by Alby M)
+     - Removed code duplication in SFZ file loading code.
+     - Added support for sfz extension opcode 'script' which may be used to
+       load real-time instrument script file (NKSP script language).
+     - Implemented opcode set_ccN (initial patch by Giovanni Senatore).
+     - Fixed unintended volume fade-in of voices under certain conditions.
+     - sfz parser: allow missing space between header and opcode
+   * Gigasampler/GigaStudio format engine:
+     - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
+       cutoff settings.
+     - Got rid of resembling an ancient GSt misbehavior which did not pitch at
+       all if an up-pitch of more than 40 semi tones was requested (I don't
+       think there is any stock gig sound that requires this behavior to
+       resemble its original sound).
+     - Added support for controlling whether the individual EGADSR stages may
+       be aborted (as LinuxSampler extension to the original GigaStudio 4
+       format).
+   * general changes:
+     - fixed printf type errors (mostly in debug messages)
+     - use unique_ptr instead of auto_ptr when building with C++11
+     - Added RTAVLTree class which is a real-time safe ordered multi-map, thus
+       allowing to sort data efficiently in real-time safe manner.
+     - RTList class: added methods for moving/inserting elements to arbitrary
+       position within a list.
+     - RTList class: added method fromPtr() for creating an Iterator object from
+       a raw element pointer.
+     - Attempt to partly fix resetting engine channels vs. resetting engine, an
+       overall cleanup of the Reset*(), ConnectAudioDevice(),
+       DisconnectAudioDevice() API methods would still be desirable though,
+       because the current situation is still inconsistent and error prone.
+     - Active voices are now internally grouped to "Note" objects, instead of
+       being directly assigned to a keyboard key. This allows more fine graded
+       processing of voices, which is i.e. required for certain instrument
+       script features.
+     - Fix: Release trigger voices were not spawned on sustain pedal up
+       (CC #64) events.
+     - Fix: Release trigger voices can now also distinguish correctly between
+       note-off and sustain pedal up events.
+     - All engines: Increased ramp speed of volume smoother and pan smoother
+       (while slow rate of crossfade smoother is preserved) to allow quick
+       volume and pan changes by instrument scripts for instance.
+     - gig/sf2/sfz: Fixed aftertouch channel pressure events being processed
+       properly and thus were ignored for certain uses.
+     - Added new C++ API method
+       VirtualMidiDevice::SendChannelPressureToSampler().
+     - windows, 32-bit: fixed potential crashes by making sure the stack in
+       sub threads is 16-byte aligned
+     - fixed numerous compiler warnings
+     - Fixed invalid (note-on) event ID being assigned to new Note objects.
+     - Revised fundamental C++ classes "Thread", "Mutex" and "Condition" which
+       fixes potential undefined behavior.
+     - Fixed Note object leak when triggering notes on keys which did not
+       have a valid sample mapped (fixes bug #252).
+     - Fixed compilation errors when compiling with CONFIG_DEVMODE enabled.
+     - linuxsampler binary fix: option --create-instruments-db ignored
+       subsequent optional argument due to glibc's implementation oddity
+       which expects a "=" sign, but no space between them.
+   * packaging changes:
+     - removed unnecessary dependency to libuuid
+       (originated by libgig's usage of it)
+     - Automake: set environment variable GCC_COLORS=auto to allow GCC to
+       auto detect whether it (sh/c)ould output its messages in color.
+     - Debian: Fixed packaging error about invalid "Source-Version"
+       substitution variable.
+     - Debian: Raised Debian compatibility level to Debian 9 "Stretch".
+     - Debian: Added build dependency to libsqlite3-dev for building
+       linuxsampler with instruments DB support.
+   * Real-time instrument scripts:
+     - Implemented scheduler for delayed MIDI events and for suspended scripts.
+     - Built-in script function "wait()": implemented support for function's
+       "duration-us" argument, thus scripts using this function are now
+       correctly resumed after the requested amount of microseconds.
+     - Built-in script function "play_note()": implemented support for
+       function's "duration-us" argument, thus notes triggered with this
+       argument are now correctly released after the requested amount of
+       microseconds.
+     - Fix: script events were not cleared when engine channel was reset,
+       potentially causing undefined behavior.
+     - Fixed crash which happened when trying to reference an undeclared
+       variable.
+     - Built-in script function "play_note()": Added support for passing
+       special value -1 for "duration-us" argument, which will cause the
+       triggered note to be released once the original note was released.
+     - Instrument script classes now exported with the liblinuxsampler C++ API.
+     - Added new API method ScriptVM::syntaxHighlighting() which provides
+       a convenient syntax highlighting backend for external instrument
+       script editor applications.
+     - Added new C++ API class "ScriptVMFactory".
+     - Extended parser issues to provide not only first line and first
+       column, but also last line and last column of issue (thus marking
+       the precise span of the issue within the source code).
+     - Reload script automatically after being modified by an instrument
+       editor.
+     - NKSP language grammar correction: allow empty event handler bodies
+       like "on note end on".
+     - Implemented built-in script function "change_vol()".
+     - Implemented built-in script function "change_tune()".
+     - Implemented built-in script function "change_pan()".
+     - Implemented built-in script function "change_cutoff()".
+     - Implemented built-in script function "change_reso()".
+     - Implemented built-in script function "event_status()".
+     - Added built-in script constants "$EVENT_STATUS_INACTIVE" and
+       "$EVENT_STATUS_NOTE_QUEUE" both for being used as flags for
+       "event_status()" function.
+     - NKSP language: Added support for bitwise operators ".or.", ".and."
+       and ".not.".
+     - NKSP language scanner: Fixed IDs matching to require at least one
+       character (i.e. when matching function names or variable names).
+     - NKSP language scanner: disabled unusued rules.
+     - Fixed behavior of play_note() and note_off() functions which must
+       be distinguished engine internally from "real" MIDI note on/off
+       events in order to avoid misbehaviors like hanging notes.
+     - Implemented built-in script variable "$KSP_TIMER".
+     - Implemented built-in script variable "$NKSP_REAL_TIMER".
+     - Implemented built-in script variable "$NKSP_PERF_TIMER".
+     - Implemented built-in script variable "$ENGINE_UPTIME".
+     - Implemented built-in script function "inc()".
+     - Implemented built-in script function "dec()".
+     - NKSP language fix: division expressions were evaluated too often.
+     - NKSP language fix: string concatenation operator was right
+       associative instead of left (to right).
+     - NKSP language correction: allow empty statements in entire language
+       (i.e. "if end if").
+     - Implemented built-in script function "stop_wait()".
+     - Implemented built-in script variable "$NI_CALLBACK_ID".
+     - Implemented built-in script variable "$NI_CALLBACK_TYPE".
+     - Implemented built-in script variable "$NKSP_IGNORE_WAIT".
+     - Added support for read-only built-in variables (respectively
+       handled by the script parser).
+     - Added built-in script constant "$NI_CB_TYPE_INIT".
+     - Added built-in script constant "$NI_CB_TYPE_NOTE".
+     - Added built-in script constant "$NI_CB_TYPE_RELEASE".
+     - Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
+     - NKSP Language: Added support for user defined script functions.
+     - Implemented built-in script function "change_attack()".
+     - Implemented built-in script function "change_decay()".
+     - Implemented built-in script function "change_release()".
+     - Fixed all change_*() built-in script functions to apply their
+       synthesis parameter changes immediately in case the respective note
+       was triggered at the same time, instead of scheduling the parameter
+       change, especially because it would cause some parameter types's
+       changes either to be ramped (i.e. change_vol()) or other types even
+       to have not effect at all (i.e. change_attack()).
+     - Implemented built-in script function "sh_left()".
+     - Implemented built-in script function "sh_right()".
+     - Implemented built-in script function "min()".
+     - Implemented built-in script function "max()".
+     - NKSP Fix: "init" event handler was not always executed when a script
+       was loaded.
+     - NKSP built-in wait() script function: abort script execution if
+       a negative or zero wait time was passed as argument (since this is
+       a common indication of a bug either of the script or even of the
+       engine, which could lead to RT instability or even worse).
+     - ScriptVM: Implemented automatic suspension of RT safety
+       threatening scripts.
+     - Provide more user friendly error messages on syntax errors.
+     - Fixed NKSP parser warning "Not a statement" when assigning an
+       initializer list to an array variable.
+     - Implemented built-in script array variable "%ALL_EVENTS".
+     - Implemented built-in script function "in_range()".
+     - Implemented built-in script function "change_amp_lfo_depth()".
+     - Implemented built-in script function "change_amp_lfo_freq()".
+     - Implemented built-in script function "change_pitch_lfo_depth()".
+     - Implemented built-in script function "change_pitch_lfo_freq()".
+     - Implemented built-in script function "change_vol_time()".
+     - Implemented built-in script function "change_tune_time()".
+     - Implemented built-in script function "fade_in()".
+     - Implemented built-in script function "fade_out()".
+     - Fixed acceptance of wrong data type of parameters passed to built-in
+       script functions "change_vol()", "change_tune()", "change_pan()",
+       "change_cutoff()", "change_reso()", "change_attack()", "change_decay()",
+       "change_release()", "change_amp_lfo_depth()", "change_amp_lfo_freq()",
+       "change_pitch_lfo_depth()" and "change_pitch_lfo_freq()".
+     - Added built-in script function "get_event_par()" and implemented some
+       of its possible parameter selections.
+     - Added built-in script function "set_event_par()" and implemented some
+       of its possible parameter selections.
+     - Fixed a bunch of scheduler time related bugs.
+     - Fixed polyphonic variables not being reset to zero after usage.
+     - Built-in "ignore_event()" function: argument is now optional, like with
+       built-in function "ignore_controller()".
+     - Implemented built-in script function "change_velo()".
+     - Implemented built-in script function "change_note()".
+     - Adjusted behavior of "change_vol()" and "change_tune()" to a more
+       intuitive behavior if used in combination with "change_vol_time()" or
+       "change_tune_time()" respectively: now tuning/volume changes are only
+       assigned (without delay) immediately to a new note if the respective
+       timing function has not been called before, otherwise the volume/tuning
+       changes are automatically faded (before, only the event's time stamp was
+       relevant).
+      - Implemented built-in script function "array_equal()".
+      - Implemented built-in script function "search()".
+      - Implemented built-in script function "sort()".
+      - NKSP Fix: Never suspend "init" event handlers.
+      - Implemented built-in script function "same_region()" (currently only
+        available for gig format engine).
+      - Added built-in script constant "$NKSP_LINEAR".
+      - Added built-in script constant "$NKSP_EASE_IN_EASE_OUT".
+      - Implemented built-in script function "change_vol_curve()".
+      - Implemented built-in script function "change_tune_curve()".
+      - built-in "play_note()" function now supports a sample playback start
+        offset with argument 3, where special value -1 means to use the regular
+        sample offset as defined by the instrument file.
+      - Built-in array variable %KEY_DOWN[] is now a read-only variable.
+      - Built-in variable $EVENT_NOTE is now a read-only variable.
+      - Built-in variable $EVENT_VELOCITY is now a read-only variable.
+      - built-in "play_note()" function now accepts -2 for its fourth argument
+        (note duration) which means the life time of the note shall be sticked
+        to the requested note number of argument 1.
+      - Fix: built-in "play_note()" function now returns 0 as result value if
+        -1 was passed for its fourth argument (note duration) and the respective
+        parent note is already gone.
+     - Implemented built-in script function "change_play_pos()".
+     - NKSP language: Added support for user declared const array variables.
+     - NKSP language: Raise parser warning if array variable is accessed with
+       an index that exceeds the array's size.
+     - NKSP language fix: Unknown characters were not handled correctly.
+     - NKSP language: Added support for "synchronized .. end synchronized"
+       code blocks.
+     - Implemented built-in script function "abort()" which allows to abort
+       another script handler by passing its callback ID.
+     - Fixed potential memory access bug and potential undefined behavior of
+       "init" event handlers.
+     - Print a time stamp along to each call of built-in function "message()".
+     - ScriptVM API: Added VMParserContext::preprocessorComments() which allows
+       to retrieve all code blocks filtered out by the preprocessor.
+     - Added built-in script function "fork()".
+     - Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
+     - Added built-in variable $NKSP_CALLBACK_PARENT_ID.
+     - Fixed potential crash when accessing dynamic built-in array variables.
+     - Added built-in script function "callback_status()".
+     - Added built-in constant $CALLBACK_STATUS_TERMINATED.
+     - Added built-in constant $CALLBACK_STATUS_QUEUE.
+     - Added built-in constant $CALLBACK_STATUS_RUNNING.
+     - Removed max. value limitation of built-in functions "change_attack()",
+       "change_decay()" and "change_release()" to i.e. allow passing 2000000
+       for doubling the respective time.
+     - NKSP script editor syntax highlighting API: Fixed app termination due
+       to a lexer start condition stack underrun.
+     - NKSP preprocessor: Fixed wrong behavior on nested USE_CODE_IF() and
+       USE_CODE_IF_NOT() preprocessor statements.
+     - NKSP: Added built-in preprocessor condition NKSP_NO_MESSAGE, which
+       can be set to disable all subsequent built-in "message()" function calls
+       on preprocessor level.
+     - Implemented built-in script function "change_sustain()".
+     - NKSP script editor syntax highlighting API: catch all fatal lexer errors,
+       to avoid the editor app to crash on ill-formed text input.
+     - Added built-in script function "change_pan_time()".
+     - Added built-in script function "change_pan_curve()".
+   * Instruments DB:
+     - Fixed memory access bug of general DB access code which lead to
+       undefined behavior.
+     - Cleanup of instruments DB file creation and opening code.
+     - The instrument DB path of linuxsampler's --create-instruments-db argument
+       is now optional, if it is missing, then a default location is used.
+     - Added support for scanning SFZ (.sfz) files.
+     - Added support for scanning Sound Font (.sf2) files.
+     - Fixed undefined DB transaction behavior.
+ Version 2.0.0 (15 July 2015)
+   * packaging changes:
+     - fixed building with newer MinGW-w64
+     - Mac OS X: support the new dir for Core Audio SDK
+     - Mac OS X: fixed building outside source directory
+     - made sure all source files for hostplugins are included when
+       doing "make dist"
+     - removed empty directories left from the cvs to svn migration
+     - fixed compilation with gcc 4.6.1
+     - another "make dist" fix, for the LV2 plugin
+     - made --enable-pthread-testcancel default on Mac OS X
+     - minor Makefile fix for building lscpparser when build and source
+       directories are separate
+     - Mac OS X: made it possible to specify plugin installation dir to
+       configure
+     - Mac OS X: Makefile fix for the install-strip target
+     - fixed compilation with gcc 4.7
+     - fixed configure script error with old autoconf versions
+     - lsatomic.h: use gcc provided atomic functions if building with
+       gcc 4.7 and C++11
+     - modernized configure script
+     - fixed linkage error when building with
+       LDFLAGS="-Wl,--no-undefined" (#190)
+     - fixed compilation with Clang 3.2
+     - removed usage of deprecated Automake variable INCLUDES
+     - fixed building with C++11
+     - build fix: ChangeFlagRelaxed.h was missing in makefile
+     - build fix: libsndfile compiler flags were missing in some
+       makefiles
+     - fix for building with bison 3.0 (#202)
+     - Mac OS X: added temporary hack allowing to spawn gigedit as callback
+       on the process's main thread
+     - fixed build error on newer MinGW
+     - support building with older jack versions
+     - support building with spaces in vst sdk path
+     - enabled automake 'subdir-objects' option and moved external
+       source references (vst, au, asio) from makefiles to cpp files,
+       in order to get rid of warnings from automake 1.14
+   * general changes:
+     - Refactoring: moved the independent code from
+       the Gigasampler format engine to base classes
+     - command line option '--profile' is currently disabled, since the
+       respective profiling code is currently broken
+     - Introduced support for optional environment variable
+       "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
+       where the sampler shall look for instrument editor plugins
+       (patch by Luis Garrido, slightly modified).
+     - implemented Roland GS NRPN 1ArrH which allows to set volume per note
+     - implemented Roland GS NRPN 1CrrH which allows to set pan per note
+     - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
+       note (in this implementation of the sampler its simply hard routed to
+       the 1st effect send of the sampler channel, no matter what the actual
+       effect type is)
+     - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
+       note (in this implementation of the sampler its simply hard routed to
+       the 2nd effect send of the sampler channel, no matter what the actual
+       effect type is)
+     - implemented support for internal LADSPA effects
+     - raised limit of program change queue from 100 to 512
+       (as suggested by Alex Stone)
+     - implemented sine LFO, pulse LFO and saw LFO
+     - experimental support for per voice equalization
+     - added command line option --exec-after-init
+     - Introduced new C++ API method:
+       EngineChannel::InstrumentFileName(int index)
+       allowing to retrieve the whole list of files used for the loaded
+       instrument on an engine channel (a.k.a. part). Some GigaStudio
+       instruments for example are splitted over several files like
+       "Foo.gig", "Foo.gx01", "Foo.gx02", ...
+     - Added new C++ API method Sampler::GetGlobalMaxVoices().
+     - Added new C++ API method Sampler::GetGlobalMaxStreams().
+     - Added new C++ API method Sampler::SetGlobalMaxVoices().
+     - Added new C++ API method Sampler::SetGlobalMaxStreams().
+     - Various "const" and "restrict" optimizations.
+     - all engines: add pan CC value to instrument pan parameter before
+       applying panning, instead of using two separate pan functions in
+       series (#182)
+     - added a lock guard class for exception safe mutex handling and
+       used it everywhere appropriate
+     - Immediately apply scale tuning changes to active voices.
+     - Exposed scale tuning to C++ API (along to the already existing standard
+       SysEx way).
+     - lsatomic.h fixes: seq_cst load and store were suboptimal for x86
+       and broken for ppc64. (Seq_cst loads and stores are actually not
+       used in LS, so the bug wasn't noticable.)
+     - lsatomic.h: added ARMv7 support
+     - Added support for multiple MIDI input ports per sampler channel (and
+       added various new C++ methods for this new feature / design change, old
+       C++ API methods for managing SamplerChannel's MIDI inputs are now marked
+       as deprecated but are still there and should provide full behavior
+       backward compatibility).
+     - AbstractEngine::GSChecksum(): don't allocate memory on the stack (was
+       unsafe and caused compilation error with clang 2.x).
+     - Bugfix: only process the latest MIDI program change event.
+     - Introducing the LSCP shell, which provides convenient control of the
+       sampler from the command line by providing LSCP aware features.
+     - VirtualMidiDevice: Added support for program change.
+     - VirtualMidiDevice: Added support for bank select (MSB & LSB).
+     - VirtualMidiDevice: Added support for pitch bend.
+     - Aftertouch: extended API to explicitly handle channel pressure and
+       polyphonic key pressure events (so far polyphonic pressure was not
+       supported at all, and channel pressure was rerouted as CC128 but not
+       used so far).
+     - Added initial support for real-time instrument scripts. The script VM
+       code is shared by all sampler engine implemementations, however only the
+       gig file format currently provides support for storing instrument scripts
+       (as LinuxSampler extension to the original GigaStudio 4 format).
+   * Gigasampler format engine:
+     - implemented the "round robin keyboard" dimension
+     - fixed round robin and random dimensions for cases when number of
+       dimension zones is not a power of two
+     - made round robin use a counter for each region instead of each
+       key
+     - bugfix: pitch LFO controller "internal+aftertouch" was broken
+     - bugfix: filter keyboard tracking was broken
+     - filter performance fix (an unnecessary copy was made of the
+       filter parameters in each sub fragment)
+     - handle special case when pan parameter in gig file has max or
+       min value
+     - Exclusive Groups: don't ever stop voices of the same note,
+       doesn't sound naturally with a drumkit
+     - fixed EG1 modulation when attack or release is zero
+     - Fixed support for 'aftertouch' attenuation controller.
+     - Fixed crash that happened with velocity split sounds under certain
+       conditions (see also previous commit on libgig).
+     - fixed behaviour of filter LFO
+   * SFZ format engine:
+     - Initial implementation (not usable yet)
+     - added support for v2 multiple stage envelope generators
+     - added a fine-tuned v1 envelope generator instead of using the
+       one from the gig engine
+     - fixed memory leak and memory handling errors
+     - added support for trigger=first, trigger=legato and sw_previous
+     - allow non-numerical key values ("C#4" for example)
+     - "key" opcode now sets pitch_keycenter too
+     - fixed error when unloading instrument with same sample used by
+       multiple regions
+     - added some opcode aliases, like loopmode for loop_mode, to be
+       more compatible
+     - added support for trigger=release and rt_decay
+     - added support for off_mode=normal
+     - added support for random, seq_position, seq_length and volume
+     - added v1 LFO opcodes to parser (no support in engine yet)
+     - added support for amp_veltrack and amp_velcurve_N
+     - fine-tuned the default velocity curve
+     - added support for transpose
+     - fixed crash when using sw_down/up
+     - improved logic for sw_lokey/hikey/up/down/last
+     - added more v1 aliases to parser
+     - reduced memory usage for sfz data
+     - RT-safeness: avoid malloc in audio thread
+     - fixed a bug that could cause voice stealing to fail
+     - optimized sample lookup
+     - improved support for exclusive groups (group, off_by and
+       off_mode)
+     - added support for controller triggered regions (on_locc/on_hicc)
+     - added support for loop_mode=one_shot
+     - fixed playback of 16 bit wav files on big endian CPUs
+     - added support for Ogg Vorbis sample files
+     - use loop markers from sample file if loop_start and loop_end are
+       not set in sfz file
+     - implemeted filters. Filter types: lowpass, bandpass, bandreject
+       and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
+       cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
+       cutoff_cc, cutoff_chanaft.
+     - bugfix: zero ampeg_sustain didn't work
+     - added support for velocity effect on amplifier envelope time
+       (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
+       ampeg_vel2release)
+     - added support for EG hold (ampeg_hold)
+     - added support for sample offset (offset)
+     - use the newly introduced signal units model
+     - implemented opcodes lfoN_delay,
+       lfoN_freq, lfoN_pan, lfoN_cutoff, lfoN_resonance
+     - implemented opcodes ampeg_delay, ampeg_vel2delay
+       pitcheg_delay, pitcheg_start, pitcheg_attack, pitcheg_hold,
+       pitcheg_decay, pitcheg_sustain, pitcheg_release, pitcheg_vel2delay,
+       pitcheg_vel2attack, pitcheg_vel2hold, pitcheg_vel2decay,
+       pitcheg_vel2sustain, pitcheg_vel2release, pitcheg_depth
+     - implemented opcodes pitchlfo_delay, pitchlfo_freq,
+       pitchlfo_depth, fillfo_delay, fillfo_freq, fillfo_depth,
+       amplfo_delay, amplfo_freq, amplfo_depth
+     - implemented opcodes fileg_delay, fileg_start, fileg_attack,
+       fileg_hold, fileg_decay, fileg_sustain, fileg_release, fileg_vel2delay,
+       fileg_vel2attack, fileg_vel2hold, fileg_vel2decay, fileg_vel2sustain,
+       fileg_vel2release
+     - implemented opcode lfoN_wave
+     - implemented opcode pitchlfo_depthccN
+     - implemented opcodes lfoN_phase, lfoN_phase_onccX,
+       lfoN_pitch, lfoN_pitch_onccX
+     - implemented opcodes pitchlfo_fade,
+       fillfo_fade, amplfo_fade, lfoN_fade, lfoN_fade_onccX
+     - implemented opcodes fillfo_freqccN,
+       pitchlfo_freqccN, amplfo_freqccN, lfoN_freq_onccX
+     - implemented opcodes ampeg_delayccN, ampeg_startccN,
+       ampeg_attackccN, ampeg_holdccN, ampeg_decayccN, ampeg_sustainccN,
+       ampeg_releaseccN, egN_timeX_onccY, egN_levelX_onccY
+     - lfoN_* and egN_* opcodes defined in group sections
+       are now taken into account
+     - implemented curves
+     - implemented opcodes volume_onccN, volume_curveccN
+     - implemented opcode volume_smoothccN
+     - implemented opcodes fillfo_depthccN, amplfo_depthccN,
+       lfoN_volume, lfoN_volume_onccX, lfoN_volume_smoothccX,
+       lfoN_freq_smoothccX, lfoN_pitch_smoothccX, lfoN_pan_onccX,
+       lfoN_pan_smoothccX, lfoN_cutoff_onccX, lfoN_cutoff_smoothccX,
+       lfoN_resonance_onccX, lfoN_resonance_smoothccX, lfoN_delay_onccX
+     - implemented opcode end
+     - implemented opcodes egN_amplitude_onccX,
+       egN_volume, egN_volume_onccX, egN_cutoff, egN_cutoff_onccX,
+       egN_pitch, egN_pitch_onccX, egN_resonance, egN_resonance_onccX
+     - implemented opcodes xfin_lokey, xfin_hikey,
+       xfout_lokey, xfout_hikey, xf_keycurve, xfin_lovel, xfin_hivel,
+       xfout_lovel, xfout_hivel, xf_velcurve, xfin_loccN, xfin_hiccN,
+       xfout_loccN, xfout_hiccN, xf_cccurve
+     - implemented opcodes pan_onccN, pan_smoothccN,
+       pan_curveccN, egN_pan, egN_pan_curve, egN_pan_onccX,
+       egN_pan_curveccX, pitch_veltrack
+     - when failed to parse a sfz file
+       print the line number on which the error occurs
+     - use common pool of CC objects to minimize RAM usage
+     - implemented opcodes amplfo_delay_onccN,
+       amplfo_fade_onccN, fillfo_delay_onccN, fillfo_fade_onccN,
+       pitchlfo_delay_onccN, pitchlfo_fade_onccN
+     - implemented opcodes fileg_delay_onccN,
+       fileg_start_onccN, fileg_attack_onccN, fileg_hold_onccN,
+       fileg_decay_onccN, fileg_sustain_onccN, fileg_release_onccN,
+       fileg_depth_onccN, pitcheg_delay_onccN, pitcheg_start_onccN,
+       pitcheg_attack_onccN, pitcheg_hold_onccN, pitcheg_decay_onccN,
+       pitcheg_sustain_onccN, pitcheg_release_onccN, pitcheg_depth_onccN
+     - implemented automatic aliasing *ccN <-> *_onccN
+     - *lfo_freqccN wasn't working when the respective *lfo_freq
+       was not set or was set to zero
+     - lfoN_freq_onccX wasn't working when lfoN_freq
+       was not set or was set to zero
+     - implemented opcodes resonance_onccN, resonance_smoothccN,
+       resonance_curveccN, cutoff_smoothccN, cutoff_curveccN
+     - implemented opcodes fillfo_depthchanaft,
+       fillfo_freqchanaft, amplfo_depthchanaft, amplfo_freqchanaft,
+       pitchlfo_depthchanaft, pitchlfo_freqchanaft
+     - implemented opcodes pitch_onccN,
+       pitch_curveccN, pitch_smoothccN, pitch_stepccN
+     - implemented opcodes volume_stepccN, pan_stepccN,
+       cutoff_stepccN, resonance_stepccN, lfoN_freq_stepccX,
+       lfoN_volume_stepccX, lfoN_pitch_stepccX, lfoN_pan_stepccX,
+       lfoN_cutoff_stepccX, lfoN_resonance_stepccX
+     - implemented opcodes eq1_freq, eq2_freq, eq3_freq,
+       eq1_freqccN, eq2_freqccN, eq3_freqccN, eq1_bw, eq2_bw, eq3_bw,
+       eq1_bwccN, eq2_bwccN, eq3_bwccN, eq1_gain, eq2_gain, eq3_gain,
+       eq1_gainccN, eq2_gainccN, eq3_gainccN
+     - implemented opcodes delay, delay_onccN, delay_random,
+       delay_samples, delay_samples_onccN
+     - implemented opcodes egN_eq1gain, egN_eq2gain, egN_eq3gain,
+       egN_eq1gain_onccX, egN_eq2gain_onccX, egN_eq3gain_onccX, egN_eq1freq,
+       egN_eq2freq, egN_eq3freq, egN_eq1freq_onccX, egN_eq2freq_onccX,
+       egN_eq3freq_onccX, egN_eq1bw, egN_eq2bw, egN_eq3bw, egN_eq1bw_onccX,
+       egN_eq2bw_onccX, egN_eq3bw_onccX, lfoN_eq1gain, lfoN_eq2gain,
+       lfoN_eq3gain, lfoN_eq1gain_onccX, lfoN_eq2gain_onccX, lfoN_eq3gain_onccX,
+       lfoN_eq1gain_smoothccX, lfoN_eq2gain_smoothccX, lfoN_eq3gain_smoothccX,
+       lfoN_eq1gain_stepccX, lfoN_eq2gain_stepccX, lfoN_eq3gain_stepccX,
+       lfoN_eq1freq, lfoN_eq2freq, lfoN_eq3freq, lfoN_eq1freq_onccX,
+       lfoN_eq2freq_onccX, lfoN_eq3freq_onccX, lfoN_eq1freq_smoothccX,
+       lfoN_eq2freq_smoothccX, lfoN_eq3freq_smoothccX, lfoN_eq1freq_stepccX,
+       lfoN_eq2freq_stepccX, lfoN_eq3freq_stepccX, lfoN_eq1bw, lfoN_eq2bw,
+       lfoN_eq3bw, lfoN_eq1bw_onccX, lfoN_eq2bw_onccX, lfoN_eq3bw_onccX,
+       lfoN_eq1bw_smoothccX, lfoN_eq2bw_smoothccX, lfoN_eq3bw_smoothccX,
+       lfoN_eq1bw_stepccX, lfoN_eq2bw_stepccX, lfoN_eq3bw_stepccX
+     - implemented opcodes eq1_vel2freq, eq2_vel2freq,
+       eq3_vel2freq, eq1_vel2gain, eq2_vel2gain, eq3_vel2gain
+     - sfz parser: allow double spaces in sample filenames
+     - sfz parser: allow absolute paths for sample filenames
+     - use linear decay and release for filter and pitch EG
+     - bugfix: only the first amp_veltrack definition in a file was
+       used
+     - bugfix: looping was disabled if loop_start was set to 0
+     - allow regions with end=-1 to turn off other regions using the
+       group and off_by opcodes (#168)
+     - made end=0 play the whole sample
+     - fixed support for lochan and hichan opcodes (#155)
+     - fixed crash when using lochan/hichan opcodes (#187)
+     - sfz parser: allow -200 to 200 for pan_oncc opcode (#182)
+     - added FLAC support (#191)
+     - sfz parser bugfix: lines starting with whitespace were ignored
+     - added amplitude opcode
+     - added support for "#include" instruction
+       (modified patch which was originally posted by Sergey on LS mailing list)
+     - bugfix: generation of velocity curves etc should not be done
+       after each "#include", only after the main file is parsed
+     - bugfix: line numbers in error messages were wrong after "#include"
+     - added support for float and 32 bit sample files
+   * SoundFont format engine:
+     - Initial implementation (not usable yet)
+     - RT-safeness: avoid malloc in audio thread
+     - fixed a bug that could cause voice stealing to fail
+     - fine-tuned amplitude EG (by switching from gig to sfz EG)
+     - initial implementation of Vibrato LFO and Modulation LFO
+     - initial implementation of cutoff filter
+     - use linear decay and release for filter and pitch EG
+   * Host plugins (VST, AU, LV2, DSSI):
+     - AU bugfix: failed to destroy its audio/MIDI devices
+     - Listen to all interfaces on Mac OS X (INADDR_ANY)
+     - VST bugfix: If the host called resume() before and after
+       changing sample rate or block size, the number of channels was
+       incorrectly set to two. This caused silence in Cubase 5.
+     - save engine type (gig, sfz or sf2) in plugin state
+     - VST: when opening Fantasia, look for both 32 and 64 bit Java on
+bit Windows
+     - AU: changed number of output channels from one stereo to 16
+       stereo
+     - VST: made it possible to build the VST plugin for Mac
+     - AU: link AU plugin dynamically if --disable-shared isn't
+       specified
+     - LV2 "state" extension support (patch by David Robillard)
+     - VST bugfix: instrument loading hang and crashed the host when
+       the plugin was loaded a second time (#174)
+     - plugin bugfix: instrument loading hang when the plugin was
+       loaded a second time (this time it's for Linux and Mac, previous
+       similar fix was for Windows)
+     - thread safety fixes for the instrument loading thread
+     - LV2: use the new lv2 package if present
+     - VST: try to open Fantasia automatically on Linux and Mac too (on
+       Linux, the Fantasia jar should be placed in <prefix>/share/java)
+     - VST: fixed crashes on Linux Ardour and EnergyXT
+     - DSSI bugfix: it wasn't possible to change engine type. The MIDI
+       port and audio channel routing for DSSI plugins are now visible.
+     - LV2: use urid and atom extensions instead of deprecated uri-map
+       and event
+     - LV2: lv2 package 1.0 is now required to build the LV2 plugin
+     - LV2: changed number of output channels to 16 stereo, just like
+       the VST and AU plugins
+     - LV2: fixed save/restore of SFZ state (patch by David Robillard)
+     - LV2: made LV2 plugin buildable on Windows and Mac
+     - VST: implemented retrieval and switching of programs using the
+       sampler's internal MIDI instrument mapping system
+   * Instrument editor interface:
+     - Changed instrument editor plugin interface, providing additional
+       informations like the EngineChannel for which the instrument editor was
+       spawned for. This allows the instrument editors to interact more actively
+       with the sampler.
+   * MIDI driver:
+     - ALSA MIDI driver supports now "NAME" device parameter, for overriding
+       the ALSA sequencer client name
+     - removed limit of maximum amount of MIDI ports per MIDI device, since
+       there is no reason for this limit
+     - MME: fixed memory handling bug found with cppcheck
+     - MME: removed compiler warning
+     - CoreMIDI: implemented driver specific port parameter "CORE_MIDI_BINDINGS",
+       which allows to retrieve the list of CoreMIDI clients / ports and to connect
+       to them a la JACK, via the usual sampler APIs
+     - CoreMIDI: added driver specific port parameter "AUTO_BIND", if enabled
+       the driver will automatically connect to other CoreMIDI clients' ports
+       (e.g. external MIDI devices being attached to the Mac)
+     - added support for MIDI note on velocity filter
+     - CoreMIDI: fixed memory deallocation error
+     - Fixed variable underflow in VirtualMidiDevice, which caused graphical
+       virtual keyboards in frontends / instrument editors being stuck.
+     - Bugfix in VirtualMidiDevice: process note on with velocity 0 as note off.
+     - Implemented missing handling of MIDI "running status".
+     - CoreMIDI fix: a MIDIPacket can contain more than one event per packet.
+     - MME bugfix: driver wasn't closed properly
+     - CoreMIDI: automatically connect to all input sources by default (driver
+       parameter "AUTO_BIND").
+     - CoreMIDI: fixed auto bind feature to CoreMIDI ports that go online
+     - CoreMIDI: fixed minor memory leak
+   * audio driver:
+     - ASIO driver fixes for newer gcc versions (fix from PortAudio)
+     - JACK audio: react on sample rate changes.
+     - JACK audio: react on buffer size changes.
+     - JACK audio: jack_port_get_buffer() was cached and called outside
+       RT context.
+     - ASIO driver: removed compiler warnings
+     - CoreAudio: fixed minor error handling bug
+     - ASIO driver: be more verbose when no ASIO card could be found (fixes #203)
+     - JACK audio: return the JACK server's current sample rate as default value
+       for audio device parameter "SAMPLERATE" (fixes #166).
+   * LSCP server:
+     - added support for sending MIDI CC messages via LSCP command
+       "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
+     - added LSCP command "GET AVAILABLE_EFFECTS"
+     - added LSCP command "LIST AVAILABLE_EFFECTS"
+     - added LSCP command "GET EFFECT INFO <effect-index>"
+     - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
+     - added LSCP command
+       "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
+     - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
+     - added LSCP command "GET EFFECT_INSTANCES"
+     - added LSCP command "LIST EFFECT_INSTANCES"
+     - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
+     - added LSCP command
+       "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
+     - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
+       <effect-instance> <input-control> <value>"
+     - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
+     - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
+     - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
+     - added LSCP command
+       "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
+     - added LSCP command
+       "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
+     - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
+       <effect-chain> <effect-instance>"
+     - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
+       <effect-chain> <effect-chain-pos> <effect-instance>"
+     - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
+       <effect-chain> <chain-pos>"
+     - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
+       <fx_send_id> <effect_chain> <chain_pos>"
+     - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
+     - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
+       "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
+       "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
+     - provide comprehensive error messages on LSCP syntax errors
+       (suggesting expected next non-terminal symbols)
+     - Fixed client connection not being closed after network errors.
+   * LSCP shell:
+     - Added support for auto correction of obvious and trivial syntax mistakes.
+     - Added support for auto completion by tab key.
+     - Show currently available auto completion while typing.
+     - Added support for browsing command history with up / down keys.
+     - Show all possible next symbols immediately right to the current command
+       line while typing (no double tab required for this feature, as it would
+       be the case in other shells).
+     - Added support for moving cursor left/right with arrow keys.
+     - Added support for built-in LSCP reference documentation, which will
+       automatically show the relevant LSCP reference section on screen as soon
+       as one specific LSCP command was detected while typing on the command
+       line.
+   * Real-time instrument scripts:
+     - Implemented built-in script array variable %CC.
+     - Implemented built-in script int variable $CC_NUM.
+     - Implemented built-in script int variable $EVENT_NOTE.
+     - Implemented built-in script int variable $EVENT_VELOCITY.
+     - Implemented built-in script constant variable $VCC_MONO_AT.
+     - Implemented built-in script constant variable $VCC_PITCH_BEND.
+     - Implemented execution of script event handler "init".
+     - Implemented execution of script event handler "controller".
+     - Implemented execution of script event handler "note".
+     - Implemented execution of script event handler "release".
+     - Implemented built-in script function "play_note()" (only two of the
+       max. four function arguments are currently implemented yet though).
+     - Implemented built-in script int variable $EVENT_ID.
+     - Implemented built-in script function "ignore_event()"
+     - Implemented built-in script function "ignore_controller()" (may have one
+       or no argument).
+     - Implemented built-in script function "set_controller()".
+     - Added extended script VM for the Gigasampler/GigaStudio format sampler
+       engine, which extends the general instrument script VM with Giga format
+       specific variables and functions.
+     - Giga format scripts: added built-in script int constant variables
+       $GIG_DIM_CHANNEL, $GIG_DIM_LAYER, $GIG_DIM_VELOCITY, $GIG_DIM_AFTERTOUCH,
+       $GIG_DIM_RELEASE, $GIG_DIM_KEYBOARD, $GIG_DIM_ROUNDROBIN, $GIG_DIM_RANDOM,
+       $GIG_DIM_SMARTMIDI, $GIG_DIM_ROUNDROBINKEY, $GIG_DIM_MODWHEEL,
+       $GIG_DIM_BREATH, $GIG_DIM_FOOT, $GIG_DIM_PORTAMENTOTIME, $GIG_DIM_EFFECT1,
+       $GIG_DIM_EFFECT2, $GIG_DIM_GENPURPOSE1, $GIG_DIM_GENPURPOSE2,
+       $GIG_DIM_GENPURPOSE3, $GIG_DIM_GENPURPOSE4, $GIG_DIM_SUSTAIN,
+       $GIG_DIM_PORTAMENTO, $GIG_DIM_SOSTENUTO, $GIG_DIM_SOFT,
+       $GIG_DIM_GENPURPOSE5, $GIG_DIM_GENPURPOSE6, $GIG_DIM_GENPURPOSE7,
+       $GIG_DIM_GENPURPOSE8, $GIG_DIM_EFFECT1DEPTH, $GIG_DIM_EFFECT2DEPTH,
+       $GIG_DIM_EFFECT3DEPTH, $GIG_DIM_EFFECT4DEPTH, $GIG_DIM_EFFECT5DEPTH.
+     - Giga format scripts: Implemented built-in script function
+       "gig_set_dim_zone(event_id, dimension, zone)".
+     - Implemented built-in script int array variable %KEY_DOWN.
+     - Implemented built-in script function "abs()".
+     - Implemented built-in script function "random()".
+     - Implemented built-in script function "num_elements()".
+     - Implemented built-in script function "note_off()".
+     - Implemented built-in script function "set_event_mark()".
+     - Implemented built-in script function "delete_event_mark()".
+     - Implemented built-in script function "by_marks()".
+     - Added built-in script int const variables $MARK_1 to $MARK_28.
+     - Built-in script functions "ignore_event()", "note_off()" and
+       "gig_set_dim_zone()" now also accept an array of event IDs as argument
+       (i.e. return value of new script function "by_marks()").
+     - Pass/preserve polyphonic variable data from respective "note" event
+       handler to "release" event handler.
+     - Fixed crash when using built-in script function "by_marks()".
+   * Bug fixes:
+     - Fixed crash which may occur when MIDI key + transpose is out of range
+     - minor valgrind fixes
+     - fixed crash which occurred when changing an already deployed sampler
+       channel to a different engine type
+     - fixed crash when deleting a sampler channel or changing engine
+       type while an instrument load was in progress
+     - bugfix: playing a note while changing the instrument could cause
+       a crash, or give "Handing back unknown region" error messages
+     - bugfix: calling SET VOICES (which Fantasia does on start and
+       refresh) could cause instruments to be unloaded
+     - Mac OS X: fixed name collision of enum in EffectControl and
+       wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
+     - Mac OS X: fixed hanging threads
+     - Windows: disabled the previous thread fix on non-Mac systems, as
+       it caused hanging threads on Windows
+     - Fixed possible crashes due to corrupted MIDI/audio device list
+       after MIDI/audio device creation failure
+     - When creating MIDI instrument map entries with "PERSISTENT" type, the
+       instruments were uselessly precached with zero samples, however it still
+       took the full preloading time and on 1st program change the respective
+       instrument was completely reloaded again.
+     - fixed handling of rapid bank select and program change messages
+       sent to the same sampler channel (patch from the Open Octave
+       project, slightly adjusted)
+     - fixed crash when trying to create an effect instance with controls
+       which min and/or max values depend on the sample rate
+     - fixed bug #162
+     - bugfix: LADSPA_PATH was not evaluated correctly when containing
+       multiple paths (#165)
+     - thread safety fixes for the instrument loading thread
+     - bugfix: instrument loading crashed for sfz and sf2 in Ardour
+       (#176)
+     - more thread safety fixes for the instrument loading thread
+     - sfz/sf2 engine: fixed crash when using small audio fragment size
+     - Mac OS X: fixed crash when unloading plugin on 10.7 and later
+     - Mac OS X: fixed process hang when unloading 32-bit plugin (bug
+       introduced in previous fix)
+     - fixed crash when a channel received a program change while
+       playing a note in a key group
+     - fixed erroneous error message piping in VoiceBase.h
+       (labelled "Disk stream not available in time")
+     - Update effects on sample rate & period size changes (to avoid
+       crashes and noise on such transitions).
+     - ignore missing LADSPA paths without ignoring valid LADSPA paths
+       (fixes #208)
+     - Fixed bug in LSCP grammar definition which caused a statement like
+       "GET SERVER INFOasdf\n" to be accepted as valid statement (was so far
+       practically irrelevant, however it caused problems with the new LSCP
+       shell's auto completion feature).
+     - Fixed MIDI program change messages being ignored if quickly executed
+       after each other (fixes #231).
+ Version 1.0.0 (31 July 2009)
+   * packaging changes:
+     - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
+       causing e.g. the libgig test to fail when
+       "./configure --disable-jack-driver" was used
+       (patch by Alexis Ballier)
+     - fixed compilation with gcc 4.3
+     - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
+     - fixed configure so it detects x86_64 (#107)
+     - fixes for building with newer MinGW versions
+     - fix for building with bison 2.4 (#111)
+     - fixed building with libgig installed in a non-standard directory
+     - minor fix in configure for mmsystem.h detection on MinGW
+     - Windows: look for editor plugins and Fantasia using base
+       directory of liblinuxsampler dll (look in the same directory and one
+       directory above)
+     - configure script fix: removed unconditional use of SSE
+     - fixed building with sqlite installed in a non-standard directory
+     - when cross-compiling, don't try to create instruments.db
+     - fix for new mingw-w64 version, which has usleep
+   * general changes:
+     - bugfix: on some POSIX systems instrument editor plugins refused to
+       load as we used a non-portable Linux specific struct field
+       (fixes bug #70, patch by Ronald Baljeu)
+     - fixed endless loop which occured when loading an instrument editor
+       plugin DLL on Windows systems failed
+     - fixed memory leaks that occurred when liblinuxsampler was unloaded
+     - optimized the SynchronizedConfig class so it doesn't wait
+       unnecessarily long after an update
+     - added support for notifying instrument editors on note-on / note-off
+       events (e.g. to highlight the pressed keys on the virtual keyboard
+       of gigedit)
+     - added support for triggering notes by instrument editors (see above)
+     - be verbose on DLL load errors (on Linux)
+     - fixed di-harmonic triangle LFO implementation (this LFO implementation
+       is only used by very few systems, most pick the int math
+       implementation, which is usually faster)
+     - fixes for audio drivers with varying buffer sizes
+     - experimental support for running LinuxSampler as a DSSI, LV2 and
+       VST plugin
+     - notification events for stream/voice count statistics are now sent
+       only when there are actual changes
+     - added memory ordering constraints to improve stability on
+       multi-core and multi-cpu systems
+     - maximum voices and disk streams can now be altered at runtime
+     - fixed CPU feature detection on x86_64 (maybe fixes #108)
+     - automatic stacktrace mechanism is now turned off by default and can
+       be switched on by command line option "--stacktrace" (the automatic
+       stacktrace mechanism seems to be broken on most systems at the moment)
+     - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
+       a pointer to the launched InstrumentEditor object
+     - added optional 3rd party user data parameter for following
+       liblinuxsampler C++ API methods: InstrumentEditor::Main(),
+       InstrumentEditor::Launch(),
+       InstrumentManager::LaunchInstrumentEditor()
+     - theoretical fix: made SynchronizedConfig follow C++0x memory
+       model more strictly
+     - fixes for using large audio device buffers
+     - Windows: add the installation directory to the DLL search path
+       when loading an editor plugin (solves problems with VST and
+       gigedit on systems with other GTK versions installed)
+     - updated linuxsampler man page
+   * audio driver:
+     - removed the nonsense audio channel constraint (which was hard coded to
+       max. 100 audio channels) for most audio drivers
+     - JACK audio driver did not offer a device parameter "SAMPLERATE" as
+       opposed to the LSCP specs
+     - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
+       reflected the wrong value
+     - fixed a memory management bug in ASIO driver
+     - Makefile fix: JACK_CFLAGS wasn't used
+     - JACK: use jack_client_open instead of the deprecated
+       jack_client_new
+     - added (experimental) CoreAudio driver
+     - applied old fixes to the ASIO driver that were included in the
+       previous binary release but accidentally never committed to CVS
+       (fixes #117)
+     - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
+       win64)
+     - VST: added support for sample rate and buffer size changes
+     - VST: close editor (Fantasia) when the VST is removed
+     - VST: avoid opening Fantasia more than once for each VST instance
+     - VST: export main function as "main" on Linux too (fix for
+       energyXT)
+     - VST: changed number of output channels from one stereo to 16
+       stereo
+     - added channel routing, fxsends and midi maps to the settings
+       stored in the plugin state
+     - performance optimization of AudioChannel::MixTo() and
+       AudioChannel::CopyTo() methods using GCC vector exensions
+       (if available)
+     - ASIO fixes: avoid initializing the device twice, avoid throwing
+       exception when getting parameters from a disconnected device
+   * MIDI driver:
+     - added JACK MIDI driver
+     - dispatch bank select as ordinary CC as well, the user might seriously
+       want to (mis)use it for some purpose ("fixed" in all current MIDI
+       input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
+     - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
+       CoreMidi or AU
+     - fixed mingw-w64 compilation error in MME driver
+     - made program change handling in MIDI thread real-time safe by
+       moving the logic to a non-RT thread
+     - fixed minor memory leak in ALSA driver
+   * instruments database:
+     - avoid time consuming samples scanning when adding instruments
+       to the instruments database
+     - added support for handling lost files in the instruments database
+     - Implemented option for adding instruments in separate directories
+       in the instruments database
+       (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
+     - work-around for missing fnmatch function on Windows to make
+       instrument database compilable
+     - added instrument database support on Windows
+       works with both standalone mode and VST plugin.
+       the instruments DB file is located in
+       %USERPROFILE%\.linuxsampler\instruments.db which allows different
+       databases for each windows user
+       if no DB is present it automatically creates the .linuxsampler subdir
+       and then creates an empty DB
+     - fixed recursive import, which was broken on Windows
+   * Gigasampler format engine:
+     - fixed a memory leak that could happen when a channel was deleted
+       while notes were playing
+     - made it possible to load an instrument even if the audio thread
+       isn't running
+     - added partial support for the "Controller Triggered" MIDI rule,
+       enough for piano gigs with pedal noise samples
+     - minor fix: only mark FX sends as being modified if really the
+       respective FX send MIDI controller was used
+     - added support for GM global device volume SysEx message
+       (can be selected at compile time to either apply globally to the
+       whole sampler [default] or only to the sampler channels that are
+       connected to the respective MIDI input port the SysEx message arrived
+       on)
+     - bugfix: notes triggered at position 0 in the audio buffer were
+       sometimes wrongly killed in the same buffer, causing no sound to
+       be played
+     - added support for chromatic / drumkit mode Roland GS Sysex message
+       which is usally used to switch a part between chromatic sounds and
+       drumkit sounds (as opposed to their common default setting of MIDI
+       part 10 being a drumkit part and all other ones chromatic parts), in
+       LS however one can switch between the first 16 MIDI instrument maps
+       defined for the sampler
+     - made it possible to create multiple sample channels even if the
+       audio thread isn't running
+     - fixed crash when removing channel with active voices (#116)
+     - bugfix: on sample reference changes (instrument editor), only
+       un-cache the respective sample if it's really not used by any
+       sampler engine anymore
+     - re-cache samples in case they were changed by an instrument editor,
+       e.g. when a sample was added while playing (#82)
+     - fixed hanging notes which occured when note-off event had the exact
+       same time stamp as the voice's note-on event and occured both in the
+       same audio fragment cycle (fixes bug #112)
+     - added support for the "fine tune" and "pitch bend range"
+       instrument-level gig parameters
+     - fixed minor artifacts in pitch bend handling
+     - added support for GS Reset SysEx message
+     - allow gig files to use unlimited downward pitch shifting
+     - added a limit check for upward pitch shifting
+     - bugfix: sometimes, when playing a note twice fast, the second
+       note was silent
+     - fixed crash happening when a pitch bend event arrived at the
+       same time a new instrument was loading
+   * LSCP server:
+     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
+       react on MIDI data arriving on certain sampler channels (so far only
+       Note-On and Note-Off events are sent via this LSCP event)
+     - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
+       react on MIDI data arriving on certain MIDI input devices (so far only
+       Note-On and Note-Off events are sent via this LSCP event)
+     - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
+       SET DB_INSTRUMENT FILE_PATH
+     - 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
+     - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
+       was incorrect
+     - Optimized the retrieval of the MIDI instrument mappings
+     - added new LSCP command "SET VOICES" to globally alter the maximum
+       amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
+       be triggered respectively
+     - added new LSCP command "SET STREAMS" to globally alter the maximum
+       amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
+       which will be triggered respectively
+     - bugfix: retry if "select" returns EINTR (this fixes a crash when
+       a gigedit file dialog is opened)
+     - close all connections when LSCPServer is deleted
+     - hard close of all sockets on exit
+     - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
+       driver
+   * Bug fixes:
+     - fixed a crash which occurs when removing a sampler channel waiting
+       to start instrument loading after another channel
+     - fixed a crash which occurs when removing a sampler channel with
+       instrument loading in progress (bug #113)
+     - fixed termination caused by uncaught exception when adding MIDI
+       instrument with PERSISTENT load mode
+     - fixed possible iterator invalidations when resetting the sampler
+     - fixed memory leaks when issuing the following LSCP commands:
+       GET AUDIO_OUTPUT_DRIVER INFO
+       GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
+       GET MIDI_INPUT_DRIVER INFO
+       GET MIDI_INPUT_DRIVER_PARAMETER INFO
+     - fixed possible compilation error when sqlite is not present
+     - fixed orphaned pointers when setting maximum voices limit (bug #118)
+     - fixed crash when changing the audio output device of a sampler
+       channel with loaded instrument and start playing notes
+     - fixed endless loop in Engine::SuspendAll() (bug #120)
+     - fixed a low-level atomic load function that was broken on 64-bit
+       PowerPC, which probably could cause crashes on that platform
+     - fixed a memory management error which could cause a crash when a
+       plugin was unloaded
+     - bugfix: two private structs had the same name, which could cause
+       problems if the linker chose the wrong constructor
+     - fixed low-level ConditionServer usage bug that caused lockups on
+       Windows
+ Version 0.5.1 (6 December 2007)
+   * packaging changes:
+     - added autoconf checks for pthread library
+     - added autoconf check for pthread bug found on certain NPTL-enabled
+       glibc versions (see Gentoo bug report #194076)
+     - added autoconf checks for MS Windows
+   * general changes:
+     - bugfix: the thread used by an editor plugin didn't die when the
+       editor closed
+     - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
+       out all the space. operator--() did not apply size_mask after
+       decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
+       order to avoid problems with the _NonVolatileReader functions.
+     - bugfix: Stream.h: added a missing divide by BytesPerSample in
+       GetWriteSpace(). Since this function is currently only used in
+       the stream's qsort() compare function, it didn't trigger any
+       bugs.
+     - Resampler.h, Synthesizer.h: cubic interpolation now works in
+bit mode too. Faster method to read 24bit words on little
+       endian machines (x86): replaced 3 byte reads + shifts with a 1
+       unaligned 32bit read and shift
+     - experimental support for MS Windows (MIDI input via MME, AUDIO
+       output via ASIO)
+     - made handling of SIGINT signal (Ctrl-C) a bit more robust
+     - support for monitoring the total number of active disk streams
+       (new LSCP commands: GET TOTAL_STREAM_COUNT,
+       SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
+   * AUDIO driver:
+     - added Windows ASIO low latency audio driver
+   * MIDI driver:
+     - added MME Windows MIDI driver
+   * LSCP server:
+     - added support for Windows style path / filenames, however with
+       forward slash path separators instead of backslash
+       (i.e. "C:/foo/bar.gig")
+     - allow naughty liblscp to send non-string device parameters within
+       apostrophes as well
+     - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
+       "LIST FILE INSTRUMENTS <file>" and
+       "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
+       about an arbitrary instrument file on the system where the sampler is
+       running on
+ Version 0.5.0 (15 October 2007)
    * packaging changes:
+     - config.h is not going to be installed along with liblinuxsampler's
+       API header files anymore
+     - only the API relevant header (and source) files will be exported to
+       the Doxygen API documentation (explicitly listed in Doxyfile.in)
+     - added completely new XCode project files for Mac OSX which is now
+       capable to execute our autoconf environment, thus no need anymore
+       to maintain the compile time configuration file (osx/version.h) for
+       OSX manually (patch by Toshi Nagata)
+     - fixed buggy boolean --enable-foo / --disable-foo configure script
+       parameters
+     - global.h now only covers global definitions that are needed for the
+       C++ API header files, all implementation internal global definitions
+       are now in global_private.h
+     - atomic.h is not exposed to the C++ API anymore
+     - no need to include config.h anymore for using LS's API header files
+     - fixed warnings in API doc generation
+   * general changes:
+     - replaced the old, confusing MIDI program change mechanism by a
+       flexible MIDI instrument mapper which allows to map arbitrary
+       (MIDI bank, MIDI program) pairs with arbitrary
+       (engine type, instrument file, file index) triplets which will be
+       loaded on the respective channel when such MIDI program change
+       messages arrive, beside that, each entry allows to define a life-time
+       strategy for the instrument, so the user can define whether the
+       instrument should i.e. be permanently loaded (to be able to switch
+       quickly among sounds) or i.e. loaded just on demand when the
+       respective program change arrives (to safe RAM space), as well as a
+       global volume factor for each entry, so the user can adjust the volume
+       dynamic of his mapped instrument collection without having to modify
+       the instrument files, also one can manage arbitrary amount of such
+       MIDI instrument maps and assign each sampler channel individually
+       a certain map, so that i.e. separation of normal instruments and
+       drumkits is possible
+     - new notification events for tracking changes to audio/MIDI devices,
+       MIDI instrument maps, MIDI instruments, FX sends, global volume.
+     - sampler was limited to load max. 200 instruments in the background
+       due to a constant size RingBuffer FIFO which is now replaced by a
+       dynamic (unlimited) size std::list FIFO
+     - added FX sends, these allow to route audio signals to arbitrary audio
+       output channels for being processed by external effect processors
+       (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
+       controllers
+     - global (sampler wide) volume can now be controlled at runtime
+     - Implemented new, improved notification system
+     - fixed compilation errors regarding OSX
+       (patch by Toshi Nagata)
+     - implemented instruments database
+     - added support for escape sequences to the instruments database
+     - added highly experimental support for on-the-fly instrument editing
+       within the sampler's process (by using instrument editor plugins),
+       you'll notice the new "Registered instrument editors:" message on
+       startup, added a new LSCP command:
+       "EDIT CHANNEL INSTRUMENT <sampler-channel>"
+       to spawn a matching instrument editor for the instrument on the
+       given sampler channel, the plugin path can be overridden at compile
+       time with ./configure --enable-plugin-dir=/some/dir
+     - added experimental code for synchronizing instrument editors hosted
+       in the sampler's process to safely edit instruments while playing
+       without a crash (hopefully) by either suspending single regions
+       wherever possible or if unavoidable whole engine(s)
+     - fixed several issues in fundamental "Thread" class: set scheduling
+       policy and priority on thread level, set a minimum stack size for
+       thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
+       threads simply inherited properties of starting thread instead of
+       setting their own policy and priority
+     - minor fix in our automatic stack trace mechanism on crashes, the
+       main process did not wait for the stack trace process to finish
+       its output
+     - fixed some minor memory leaks
+     - reenabled assembly features support, at the moment only for
+       enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
+     - minor assembly fix in x86 features detection (don't use the PIC
+       register, to avoid relocations in the text segment at runtime)
+     - POSIX callback functions of Thread.h are hidden
+   * MIDI driver:
+     - dispatch bank select (MSB and LSB) messages
+   * audio driver:
+     - the ALSA audio output driver parameters now reflect the correct
+       parameter value ranges for the respective selected sound card
+       (patch by Till Wimmer, a bit fixed and extended)
+   * Gigasampler format engine:
+     - if a filter is used and EG2 finishes before EG1, let the voice
+       die when EG2 has finished (this fixes a problem with clicks and
+       voice starvation for some gigs)
+     - playback is no longer disabled during instrument loading
+     - all notes playing on a channel that changes its instrument keep
+       playing with the old instrument until they get a note off
+       command
+     - EG fix: a release value of zero could cause noises or crash
+     - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
+     - EG fine tuning: when attack is zero the EG starts at a level
+       above max sustain level, which means that there is a decay phase
+       even if sustain is 100%
+     - more EG fixes: the level could sometimes go below zero and cause
+       noises or crashes
+     - minor fix of EGDecay (patch by Toshi Nagata)
+     - fixed compiler error when --enable-override-filter-type was
+       supplied to the configure script (fixes #46)
+     - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
+       instead of a fix value
+     - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
+(solo mode) only kill voices if the respective mode really
+       changed
+   * LSCP server:
+     - fixed compile time error for old Bison versions
+       (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
+     - parser now supports extended ASCII character set
+       (up to ASCII code 255, i.e. includes now umlauts and accents)
+     - filename arguments in LSCP commands now allow to use escape
+       sequences, that is directly literal as one of: \', \", \\, \n, \r,
+       \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
+       code value like \xf2) (fixes bug #24)
+     - the following LSCP commands now also support escape sequences for at
+       least one of their text-based parameters (i.e. name, description):
+       "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
+       "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
+       "SET DB_INSTRUMENT_DIRECTORY NAME",
+       "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
+       "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
+       "FIND DB_INSTRUMENT_DIRECTORIES"
+     - returns verbose syntax errors (line and column where syntax error
+       occured, the unexpected character and the actually expected, possible
+       character(s), the latter only if less than 5 possibilities)
+     - made sure that LSCP syntax is not affected by gigedit locale
+       settings
+     - bugfix regarding strings parameter lists: all comma separated lists
+       of strings were treated as being one string containing commas
+       (fixes #57)
+   * Bug fixes:
+     - fixed crash occurring on certain LSCP scripts (Bug 39)
+     - another thread safety fix for lscp "load engine" and "set
+       channel audio output device"
+     - fixed a crash which occurs when reassigning the same engine
+       on a sampler channel with connected MIDI device
+     - fixed a crash which occurs when changing the number of ports of a MIDI
+       device connected to a sampler channel to number less then or equal
+       to the index of the port to which the sampler channel is connected.
+     - The previous bindings were not been disconnected when altering
+       the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
+       unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
+     - The active stream/voice count statistic was incorrect.
+     - notification events were not been sent for some sampler
+       channel changes
+     - added default min and max values to restrict the number of allowed
+       audio output channels and MIDI input ports
+     - the connection to the PCM interface is now closed when destroying
+       an audio output device
+     - files with slash in their path or filename could not be loaded
+   * test cases:
+     - updated and fixed (haven't been touched in a while)
+ Version 0.4.0 (24 November 2006)
+   * packaging changes:
+     - changed deprecated copyright attribute to license; added ldconfig
+       to post-(un)install steps; added devel package for liblinuxsampler;
+       to linuxsampler.spec (RPM)
      - install necessary development header files for allowing 3rd party
        applications to link against liblinuxsampler
      - liblinuxsampler's API documentation can be generated with 'make docs'
-Line 10 
 Version CVS HEAD (?)
+Line 1260 
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        di-harmonic approximation), automatic detection can be overriden
        with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
        configure script argument though (mandatory for cross-compilation)
+     - do not automatically pick optimized gcc flags if the user already
+       provided some on his own (as CXXFLAGS)
+     - added compile time option to disable processing of All-Notes-Off MIDI
+       messages
+     - added compile time options to allow disabling the various audio and
+       MIDI drivers
+     - fixed automatic GCC CPU switch detection on PPC
+       (patch by Ebrahim Mayat)
    * Gigasampler format engine:
+     - extensive synthesis optimization
+       (reimplementation of EGs and LFO(s), removed synthesis parameter
+       prerendering and the synthesis parameter matrix in general, splitting
+       each audio fragment into subfragments now where each subfragment uses
+       constant pitch and filter coefficients. The volume coefficient is
+       linearly interpolated inside a subfragment, unless
+       --disable-interpolate-volume is set.)
      - fine tuning of the EG modulation parameters
+     - improved filter cutoff calculation by adding support for the
+       following gig parameters: Cutoff freq (used when no cutoff
+       controller is defined), Control invert, Minimum cutoff, Velocity
+       curve and Velocity range. The keyboard tracking now scales
+       cutoff frequency instead of resonance.
+     - added support for gig parameter Resonance.
+     - fixed bug in sysex handling (patch by Juan Linietsky)
+     - added global volume attenuation of -9 dB (0.35f) to prevent clipping
+       which can be overridden with --enable-global-attenuation
+     - EG fixes: made the length of "attack hold" stage more
+       accurate. Release stage can now start before attack stage
+       ends. Cancel release didn't work when sustain was zero. Attack
+       time now has a minimal value to prevent clicks.
+     - fixed pitch changes larger than one octave
+     - fixed EG3 (pitch envelope) synthesis which was neutral all the time
+     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
+       all modes can be altered via standard GM messages, that is CC5 for
+       altering portamento time, CC65 for enabling / disabling portamento
+       mode, CC126 for enabling solo mode and CC127 for disabling solo mode
+     - fine tuning of the curves for volume (CC7), pan (CC10 and gig
+       parameter) and crossfade
+     - added support for the "attenuation controller threshold" gig
+       parameter
+     - added smoothing of volume changes caused by control change
+       messages
+     - sample loop parameters are now taken from the DimensionRegion
+       instead of the wave chunk
+     - fixed keyswitching for v3 gigs with a number of keyswitch splits
+       not equal to a power of two
+     - reimplementation of the filter algorithm. The new filter is more
+       accurate and supports all gig filter types, including bandreject
+       and lowpass turbo.
+     - real support for 24 bit samples - samples are not truncated to
+bits anymore
+     - support for aftertouch (channel pressure, not polyphonic
+       aftertouch)
+     - LFO1 behaviour fixed (dampening from max volume instead of
+       amplifying from 0)
    * LSCP server:
      - fixed application exit on broken pipe error (fixes bug #20)
+     - fixed the notification messages delay due to lack of
+       network activity (fixes bug #26)
+     - fixed parser bug which occured on space(s) within device parameters
+       (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
+   * audio driver:
+     - added aRts audio output driver (by no means RT safe)
+   * MIDI driver:
+     - fixed legacy sysex code which caused dispatching of MIDI SysEx
+       messages several times instead of once
+     - API extension for MIDI drivers which already supply exact time stamps
+       for events (i.e. for offline rendering based MIDI drivers)
+     - added checks for bad MIDI data
+   * linuxsampler application:
+     - show available sampler engine types on startup
    * general changes:
      - support for muting sampler channels and solo mode of the same, two new
        LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
        fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
        introduced for this, the behavior is the same like on a mixer console
-       (patch by Grigor Iliev, a bit adjusted)
+       (patch by Grigor Iliev, a bit adjusted). Also added configure option
+       --enable-process-muted-channels which can be used to enable the
+       processing of muted channels.
+     - support for sostenuto pedal
+     - support for monitoring the total number of active voices
+       (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
+       SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
+     - fixed some memory management errors
+     - fixed some concurrency problems that could lead to crashes when
+       LSCP commands were executed
+     - fixed crash when instrument loading failed previously on the same
+       sampler channel (fixes bug #36)
  Version 0.3.3 (15 July 2005)

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