New plugin: BFold (was: Timbre) (wavefolder)

.appveyor.yml

@@ -37,7 +37,8 @@ install:
 - cmd: git submodule update --init --recursive
 
 - cmd: echo "Get SuperCollider"
-- cmd: git clone --recursive --depth 1 https://github.com/supercollider/supercollider ../supercollider
+# can shallow clone, no submodules needed (no supernova)
+- cmd: git clone --depth 1 https://github.com/supercollider/supercollider ../supercollider
 
 # FFTW3, including lib prep
 - cmd: echo "Install fftw"
@@ -54,21 +55,31 @@ before_build:
 - cd build
 
 build_script:
-- cmake -G "%CMAKE_GENERATOR%" -DSC_PATH=../../supercollider -DFFTW3F_INCLUDE_DIR=../fftw -DFFTW3F_LIBRARY=../fftw/libfftw3f-3.lib ..
+- cmake -G "%CMAKE_GENERATOR%" -DSC_PATH=../../supercollider -DFFTW3F_INCLUDE_DIR=../fftw -DFFTW3F_LIBRARY=../fftw/libfftw3f-3.lib -DCMAKE_INSTALL_PREFIX="%APPVEYOR_BUILD_FOLDER%/build/install" ..
 - cmake --build . --target install --config %CMAKE_CONFIGURATION%
 
-# TODO
-# artifacts:
-#     - path: artifacts
-#       name: art_folder
+after_build:
+# create archive name; either the version (if tagged) or commit hash
+- ps: |
+    if (Test-Path env:APPVEYOR_REPO_TAG_NAME) {
+        $env:VERSION_SLUG=$env:APPVEYOR_REPO_TAG_NAME | % { $_ -replace "Version-","" }
+        $env:ZIP_NAME="sc3-plugins-$env:VERSION_SLUG-Windows-$env:ARCH-VS.zip"
+    } else {
+        $env:ZIP_NAME="sc3-plugins-$env:APPVEYOR_REPO_COMMIT-Windows-$env:ARCH-VS.zip"
+    }
+- ps: 7z a -mx7 $env:ZIP_NAME install
+
+artifacts:
+- path: build/%ZIP_NAME%
+  name: Plugins
 
-# TODO
 # github releases - only tags
-# - provider: GitHub
-#   description: appveyor_$(APPVEYOR_REPO_TAG_NAME)
-#   artifact: installer
-#   auth_token:
-#     secure: rxXJNY+6n25Th9R4+7qI+AcnTj0wCAMSnBGH2+5s7DlVLrAGsSY6+EEDbeHWGGeI
-#   prerelease: true
-#   on:
-#     appveyor_repo_tag: true
+deploy:
+- provider: GitHub
+  description: appveyor_$(APPVEYOR_REPO_TAG_NAME)
+  artifact: Plugins
+  auth_token:
+    secure: 4uMFrJ2Vc3ju6OtWpQ9chRce/2JHNhfy/sjX+w+KFTNDvmSPD5CqdEuwFp/+Ln/s
+  prerelease: true
+  on:
+    appveyor_repo_tag: true

.travis.yml

@@ -1,33 +1,34 @@
-language: objective-c
+language: cpp
 
-os:
- - osx
+matrix:
+  fast_finish: true
+  include:
+    - os: linux
+      sudo: required
+      dist: trusty
+    - os: osx
 
 cache:
+ - ccache
  - apt
  - bundler
 
 before_install:
  - ifmac () { if [[ $TRAVIS_OS_NAME == osx ]]; then eval $@; fi; }
  - iflin () { if [[ $TRAVIS_OS_NAME == linux ]]; then eval $@; fi; }
- - ifmac brew install cmake || true
- - iflin sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
- - iflin sudo add-apt-repository -y ppa:andykimpe/cmake  # backport of cmake 2.8.12
- - iflin sudo add-apt-repository -y ppa:ondrej/php5 # libicu-dev 52
- - iflin sudo apt-get update
- - iflin sudo apt-get install libicu-dev=52.1-1+debphp.org~precise+1 gcc-4.7 g++-4.7 aptitude build-essential libfftw3-dev libxt-dev pkg-config cmake=2.8.12.2-3 libstdc++5
- - iflin sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.6 40 --slave /usr/bin/g++ g++ /usr/bin/g++-4.6
- - iflin sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.7 60 --slave /usr/bin/g++ g++ /usr/bin/g++-4.7
- - iflin sudo update-alternatives --auto gcc
- - git clone https://github.com/supercollider/supercollider.git
+ - iflin sudo apt-get install libicu-dev libfftw3-dev libxt-dev pkg-config libstdc++5
+ - git clone --depth 1 https://github.com/supercollider/supercollider.git
+ - cd supercollider
+ - git submodule update --init --depth 1 external_libraries/nova-tt external_libraries/nova-simd
+ - cd ..
 
 before_script:
- - mkdir BUILD
- - cd BUILD
- - cmake -DCMAKE_INSTALL_PREFIX:PATH=$PWD/SC3plugins -DCMAKE_BUILD_TYPE=Release -DSC_PATH=../supercollider ..
+ - mkdir BUILD && cd BUILD
+ - cmake -DCMAKE_INSTALL_PREFIX:PATH=$PWD/SC3plugins -DCMAKE_BUILD_TYPE=Release -DSC_PATH=../supercollider -DSUPERNOVA=ON ..
 
 script:
- - make install
+ - iflin make -j
+ - ifmac make install
  - ifmac mkdir -p $HOME/artifacts
  - ifmac zip -q -r $HOME/artifacts/Plugins-$TRAVIS_COMMIT.zip SC3plugins
 
@@ -69,10 +70,9 @@ deploy:
      condition: $TRAVIS_OS_NAME = osx && ! -z $GITHUB_KEY
      tags: true
      all_branches: true
-after-deploy:
+after_deploy:
  - "echo S3 Build Location: $S3_URL"
 
-
 notifications:
   on_success: change
   on_failure: change

source/CMakeLists.txt

@@ -6,8 +6,6 @@ if (SUPERNOVA)
     include_directories(${SC_PATH}/external_libraries/nova-tt)
     # actually just boost.atomic
     include_directories(${SC_PATH}/external_libraries/boost)
-    include_directories(${SC_PATH}/external_libraries/boost_lockfree)
-    include_directories(${SC_PATH}/external_libraries/boost-lockfree)
 endif()
 
 include_directories(${CMAKE_SOURCE_DIR}/include/)
@@ -106,6 +104,7 @@ set(PLUGIN_DIRS
     SLUGens
     SummerUGens
     TagSystemUGens
+    VAfxUGens
     VBAPUGens
     VOSIMUGens
 )

source/DWGUGens/sc/HelpSource/Classes/DWGPluckedStiff.schelp

@@ -47,10 +47,10 @@ Examples::
 code::
 //Define pluck synthdef
 (
-SynthDef(\help_dwgpluckedstiff, { |out=0, freq=440, amp=0.5, gate=1, c3=20, pan=0,fB = 80|
+SynthDef(\help_dwgpluckedstiff, { |out=0, freq=440, amp=0.5, gate=1, c3=20, pan=0, rel=1, fB = 80|
 	var env = Env.new([0,1, 1, 0],[0.001,0.006, 0.0005],[5,-5, -8]);
 	var inp = amp * LFClipNoise.ar(2000) * EnvGen.ar(env,gate);
-    var son = DWGPluckedStiff.ar(freq, amp, gate,0.1,1,c3,inp,fB);
+    var son = DWGPluckedStiff.ar(freq, amp, gate,0.1,1,c3,inp,rel,fB);
     DetectSilence.ar(son, 0.001, doneAction:2);
     Out.ar(out, Pan2.ar(son * 0.1, pan));
 }).add;
@@ -69,7 +69,7 @@ Pbind(
     \instrument, \help_dwgpluckedstiff,
     \scale ,a,
     \delta , Pseq([1,0.5,0.5,0.5,0.5,0.5,0.5,1,0.5,0.5,1,1]*0.25,inf),
-    \dur , 2,
+    \dur , 0.9,
     \degree, Pseq([1,8,8,8,8,8,8,-6,Prand([9,10,11],1),1,7,8]-8, inf),
     \amp , Pwhite(0.2,0.8),
     \c3 , Pseq([Pseq([1400],24),Pseq([300],24)],inf),

source/StkInst/CMakeLists.txt

@@ -56,7 +56,6 @@ if(SUPERNOVA)
     endif()
     set_property(TARGET ${PROJECT}_supernova APPEND PROPERTY COMPILE_DEFINITIONS  "SUPERNOVA")
     include_directories(${SC_PATH}/external_libraries
-                    ${SC_PATH}/external_libraries/boost-lockfree
                     ${SC_PATH}/external_libraries/nova-simd
                     ${SC_PATH}/external_libraries/nova-tt
                     )

source/VAfxUGens/BFold.cpp

@@ -0,0 +1,96 @@
+#include "SC_PlugIn.hpp"
+#include <math.h>
+
+// InterfaceTable contains pointers to functions in the host (server).
+static InterfaceTable *ft;
+
+// declare struct to hold unit generator state
+struct BFold : public SCUnit{
+
+// Constructor usually does 3 things.
+// 1. set the calculation function.
+// 2. initialize the unit generator state variables.
+// 3. calculate one sample of output.
+public:
+    BFold() {
+        // 1. set the calculation function.
+        set_calc_function<BFold,&BFold::next>();
+
+        // 3. calculate one sample of output.
+        next(1);
+
+    }
+
+private:
+    // The calculation function executes once per control period
+    // which is typically 64 samples.
+
+    // calculation function for an audio rate frequency argument
+    void next(int inNumSamples)
+    {
+        // get the pointer to the output buffer
+        float *outBuf = out(0);
+
+        // get the pointer to the input buffer
+        const float *sig = in(0);
+        const float *fold = in(1);
+        const float offset = in0(2);
+
+        // perform a loop for the number of samples in the control period.
+        // If this unit is audio rate then inNumSamples will be 64 or whatever
+        // the block size is. If this unit is control rate then inNumSamples will
+        // be 1.
+        for (int i=0; i < inNumSamples; ++i)
+        {
+            float sgn;
+            float sigNorm;
+            float sigAbs;
+            float fold1 = 0.f;
+            float fold2 = 0.f;
+            float fold3 = 0.f;
+            float fold4 = 0.f;
+            float fold5 = 0.f;
+
+            sigNorm = offset*0.6 + (fold[i]*5.4 +0.6)*sig[i];
+            // sigNorm = 0.5 + 2.f*sig[i]*0.6;
+            sigAbs = fabs(sigNorm);
+            sgn = copysignf(1.0, sig[i]);
+
+            if (sigAbs >= 0.6) {
+               fold1 = 0.8333*sigNorm - 0.5*sgn;
+               fold1 *= -12.f;
+                if (sigAbs >= 1.8) {
+                   fold2 = 0.5743*sigNorm - 1.0338*sgn;
+                   fold2 *= 17.647;
+                    if (sigAbs >= 2.994) {
+                       fold3 = 0.3768*sigNorm - 1.1281*sgn;
+                       fold3 *= -27.777;
+                        if (sigAbs >= 4.08) {
+                           fold4 = 0.2673*sigNorm - 1.0907*sgn;
+                           fold4 *= 36.363;
+                            if (sigAbs >= 5.46) {
+                               fold5 = 0.2829*sigNorm - 1.5446*sgn;
+                               fold5 *= -21.438;
+                            }
+                        }
+                    }
+                }
+            }
+            // out must be written last for in place operation
+            outBuf[i] = (fold1 + fold2 + fold3 + fold4 + fold5 + 5.f * sigNorm)/3.f;
+        }
+    }
+
+};
+
+// the entry point is called by the host when the plug-in is loaded
+PluginLoad(TimbreUGens)
+{
+    // InterfaceTable *inTable implicitly given as argument to the load function
+    ft = inTable; // store pointer to InterfaceTable
+
+    // registerUnit takes the place of the Define*Unit functions. It automatically checks for the presence of a
+    // destructor function.
+    // However, it does not seem to be possible to disable buffer aliasing with the C++ header.
+    registerUnit<BFold>(ft, "BFold");
+}

source/VAfxUGens/sc/BFold.sc

@@ -0,0 +1,14 @@
+BFold : UGen {
+    *ar { arg in, fold=0.0, offset=0.0;
+        ^this.multiNew('audio', in, fold, offset)
+    }
+    checkInputs {
+        [0, 1].do { |i|
+            (inputs[i].rate != 'audio').if {
+                ^(" input at index " + i + "(" + inputs.at(i) +
+            ") is not audio rate");
+            };
+        };
+        ^this.checkValidInputs;
+    }
+}

source/VAfxUGens/sc/HelpSource/Classes/BFold.schelp

@@ -0,0 +1,28 @@
+class:: BFold
+summary:: Wavefolder virtual analog model
+categories:: UGens>Filters
+
+
+Description::
+A model of the "timbre" circuit of the Buchla 259 Complex Wave Generator. The model follows the circuit modelling as seen on the paper link::http://www.dafx17.eca.ed.ac.uk/papers/DAFx17_paper_82.pdf::, using 5 folds.
+
+
+classmethods::
+
+method::ar
+
+argument::in
+Input signal.
+
+argument::fold
+Folding amount (audio rate). Useful range: [0, ..]
+
+argument::offset
+Input offset (control rate). Useful range: [-1, 1].
+
+
+Examples::
+
+code::
+{BFold.ar(SinOsc.ar(200), K2A.ar(MouseX.kr(0,3)), MouseY.kr(-1,1))}.scope
+::