/[svn]/linuxsampler/trunk/ChangeLog

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-revision 2390 by persson,
Sat Jan  5 12:31:05 2013 UTC
+revision 3072 by schoenebeck,
Wed Jan  4 15:49:52 2017 UTC
 Line 1
- Version CVS HEAD (?)
+ Version SVN trunk (?)
+   * SFZ format engine:
+     - added support for <global>, <master> and #define (patch by Alby M)
+   * Gigasampler format engine:
+     - Fixed clicks and pumping noise with Lowpass Turbo filter on very low
+       cutoff settings.
+   * 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
+   * 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.
+   * 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.
+   * Instruments DB:
+     - Fixed memory access bug of general DB access code which lead to
+       undefined behavior.
+ Version 2.0.0 (15 July 2015)
    * packaging changes:
      - fixed building with newer MinGW-w64
-Line 23 
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+Line 166 
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      - 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
-Line 63 
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+Line 220 
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      - 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
-Line 76 
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+Line 263 
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        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)
-Line 232 
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+Line 426 
 Version CVS HEAD (?)
      - 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)
-Line 279 
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+Line 482 
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      - 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
-Line 297 
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+Line 506 
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      - 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
-Line 337 
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+Line 562 
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      - 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
-Line 380 
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+Line 672 
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        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)
-Line 444 
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+Line 746 
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      - 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

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