/[svn]/linuxsampler/trunk/ChangeLog

Diff of /linuxsampler/trunk/ChangeLog

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-revision 3625 by schoenebeck,
Thu Oct  3 13:37:25 2019 UTC
+revision 3765 by schoenebeck,
Mon Apr  6 09:46:52 2020 UTC
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 Version SVN trunk (?)
        file).
      - Renamed type LFOSigned -> LFOTriangleSigned.
      - Renamed type LFOUnsigned -> LFOTriangleUnsigned.
+     - Using now cubic interpolation as resampling algorithm by default; and
+       linear interpolation is deprecated now.
+     - Event:Init(): memset() entire Event::Param union to zero instead of trying
+       to do that for its individual members; the latter became error prone due
+       to the union's growing complexity meanwhile.
+     - EngineChannel: Overhaul of RPN/NRPN related methods: Added new
+       *Rpn*Parameter*() methods as replacement for previous *Rpn*Controller*()
+       methods and marked the old ones as deprecated; and likewise added new
+       *Nrpn*Parameter*() methods as replacement for previous *Nrpn*Controller*()
+       methods and marked those old ones deprecated as well.
+     - Added support for MIDI CC #38 (data entry LSB): this allows higher value
+       resolution for certain (e.g. hard coded) RPN and NRPN parameters.
+     - Implemented support for compressed RPN/NRPN message sequences (that is to
+       allow processing MIDI data entry messages without always having to be
+       preceded strictly by RPN/NRPN parameter selection messages on each value
+       change).
+     - Added support for MIDI CC #96 (data increment) and MIDI CC #97 (data
+       decrement).
+     - Added support for 'null function RPN/NRPN' (which is RPN/NRPN parameter
+       MSB=127 and LSB=127) and which is disabling subsequent data
+       entry/increment/decrement CC messages.
+     - Fixed crash when editing key groups (a.k.a. exclusive groups) with an
+       instrument editor.
+     - Fixed playing noise at the end of a disk stream under certain conditions.
+     - Fixed potential crash with high pitch at end of RAM playback.
+     - Added configure checks whether C++ compiler supports so called
+       'designated initializers'.
+     - Added global backtraceAsString() function for debugging purposes
+       (POSIX systems only, no Windows implementation yet).
+     - Thread class: Added new methods pushCancelable(), popCancelable(), name(),
+       nameOfCaller() and setNameOfCaller().
+     - configure: Always check for availability of pthread_testcancel() and use
+       it if so (previously it was only used if explicitly enabled by configure
+       option).
+     - Thread class: raise compiler warning if pthread_testcancel() is not
+       available, because it can lead to deadlocks.
+     - Mutex class: Implemented optional bug detection and deadlock debugging
+       features.
    * Real-time instrument scripts:
      - Added method ScriptVM::setExitResultEnabled() which allows to
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      - Added built-in script real number constant "~NI_MATH_PI".
      - Added built-in script real number constant "~NI_MATH_E".
      - NKSP language: Allow unary '+' operator.
+     - Added built-in script functions "msb()" and "lsb()".
+     - NKSP language: Added support for RPN event handler
+       ("on rpn ... end on" in instrument scripts).
+     - NKSP language: Added support for NRPN event handler
+       ("on nrpn ... end on" in instrument scripts).
+     - Added built-in read-only variables "$RPN_ADDRESS" and "$RPN_VALUE" which
+       may be read from the new RPN/NRPN script handlers to get the (N)RPN
+       parameter that had been changed and its new value.
+     - Added built-in const variables "$NI_CB_TYPE_RPN" and "$NI_CB_TYPE_NRPN"
+       which are identifying the new (N)RPN handlers as such at script runtime.
+     - Implemented built-in script function "set_rpn()".
+     - Implemented built-in script function "set_nrpn()".
+     - Fix: built-in functions returning an array type were broken and caused a
+       crash when the built-in function's (supposed to be array) result value was
+       used by the script VM.
+     - Removed upper value constraint for 2nd argument of built-in functions
+       "change_amp_lfo_freq()", "change_cutoff_lfo_freq()",
+       "change_pitch_lfo_freq()","change_reso()", "change_cutoff()",
+       "change_amp_lfo_depth()", "change_cutoff_lfo_depth()" and
+       "change_pitch_lfo_depth()", to allow e.g. passing value 2000000 to double
+       the LFO frequency / resonance / cutoff frequency.
+     - Reduced code involved for parsing NKSP variable declarations by using 2
+       generalized grammar rules with optional components (i.e. optional value
+       assignment and optional variable qualifiers) instead of previous linear
+       combinations of grammar rules, which also fixes some edge case.
+     - NKSP language parser: track code block locations also by a) raw byte
+       position in NKSP source code string and b) length of that code block in
+       bytes (along to the already existing code block tracking by line/column);
+       and added appropriate new members to public C++ API classes like
+       'firstByte' and 'lengthBytes' to class VMSourceToken and struct CodeBlock.
+     - NKSP language: Added support for 'patch' variable qualifier (capture their
+       locations and allow replacement of their assignment expression via VM C++
+       API).
+     - Fixed incorrect EG times if standard measuring unit was passed to built-in
+       functions "change_attack()", "change_decay()" or "change_release()".
+     - Fixed intermediate function result values never having reflected any
+       standard measuring unit type.
+     - Fixed re-entrant issue with function calls which caused wrong result
+       values if the same function was called multiple times in a term
+       (specifically if metric prefixes were used).
    * test cases:
      - Fixed compiler errors in test cases.
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        "floor()", "sqrt()", "log()", "log2()", "log10()", "exp()", "pow()",
        "sin()", "cos()", "tan()", "asin()", "acos()", "atan()".
      - Added NKSP test cases for unary '+' operator.
+     - Added NKSP test cases for core built-in variables.
+     - Added thorough NKSP test cases for variable declarations.
    * GigaStudio/Gigasampler format engine:
      - LFOTriangleIntMath and LFOTriangleIntAbsMath: Fixed FlipPhase=true
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      - Format extension: Added support for LFO phase displacement (0°..360°).
      - Format extension: Added support for flipping LFO polarity on LFO 3
        (in the original gig format this was only available for LFO 1 and LFO 2).
+     - Format extension: Support for additional filter types:
+       lowpass 1/2/4/6-pole, highpass 1/2/4/6-pole, bandpass 2-pole,
+       bandreject 2-pole.
+     - Fixd potential crash with polynomial interpolator and max. pitch.
+     - If minimum cutoff is defined, remap cutoff controller CC values to really
+       span the entire possible cutoff range (and avoiding a dead controller
+       zone).
+     - Implemented support for loading instrument scripts with 'patch' variables
+       (by patching these script variables with potentially overridden ones by
+       gig Instrument).
    * SFZ format engine:
      - Fixed support for regions with loccN/hiccN conditions on more than one

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