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CHANGELOG.md

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CHANGELOG

v0.4.10 (2024-08-13)

  • Added TriggerRoundRobin node, to sequentially distribute triggers across outputs
  • Added WavetableBuffer class, with some initial wavetables that can be constructed by name (sine, triangle, square, saw)
  • Added plot_buffer() to signalflow_visualisation
  • Allow exceptions to be safely raised in the audio I/O thread without appearing as a Python kernel crash
  • Granulator: Add trigger() support
  • Fixed bug in ASREnvelope in which per-channel shape parameters were not honoured correctly
  • Fixed broken stubs installer

v0.4.9 (2024-08-05)

  • Added FFTBuffer and FFTBufferPlayer node, and other new FFT processor nodes: FFTCrossFade, FFTLFO, FFTScaleMagnitudes
  • Added TriggerMult node to distribute a trigger to multiple outputs
  • Migrated build system to use pyproject.toml
  • Improved memory management and handling of SIGNALFLOW_NODE_INITIAL_OUTPUT_CHANNELS
  • SpatialPanner: Added beamforming support
  • Added support for >24-channel output devices on macOS (via custom libsoundio build)
  • Added troubleshooting docs

v0.4.7 (2024-02-23)

  • Optimized performance of SineOscillator, Sum and ChannelMixer on macOS with vDSP SIMD optimisations
  • Added support for int16 audio devices
  • Added num_channels param to AudioIn
  • Reduced Node memory usage by allocating buffers more economically
  • Fixed bug when recreating AudioGraph after destroy()
  • Fixed signalflow command-line installer by switching to setuptools entry_points

v0.4.6 (2024-02-16)

  • Added NearestNeighbours, KDTree and signalflow_analysis package (including AudioFeatureBuffer) for audio feature analysis, latent space navigation and playback
  • Added signalflow_visualisation package for visualising patch structures with NetworkX
  • New nodes: FFTContrast, FFTTransform, FFTMagnitudePhaseArray, FFTRandomPhase, TimeShift
  • Many documentation additions and Node examples (thanks to @gregwht)

v0.4.3 (2023-11-12)

  • Added Windows build support for Python
  • Added DCFilter node

v0.4.2 (2023-11-10)

  • Added initial inline documentation for each Node class
  • Added auto-generated method stubs for IDE inline docs and type hints
  • Added initial example notebooks
  • Added signalflow_examples downloader

v0.4.1 (2023-11-05)

  • New node: ChannelCrossfade
  • RectangularEnvelope: Rename from EnvelopeRect for consistency with other Envelope classes
  • Node: Add is_playing property
  • Node: Refactor play/stop error handling to use NodeAlreadyPlayingException, NodeNotPlayingException, CPUUsageAboveLimitException
  • BufferPlayer: Add position property
  • Buffer: Add filename read-only property
  • SawLFO, SawOscillator: Implement phase reset with trigger
  • Granulator: Add support for negative playback rates, stereo input
  • signalflow_midi: Add support for MIDIManager per-channel binding
  • Add wheel for Python 3.12

v0.4.0 (2023-05-28)

  • Implemented complete Python API
  • Migrated to CMake for build
  • Migrated to GitHub Actions for CI
  • Introduced initial Windows support
  • Naming overhaul and standardisation
  • Added AudioGraphConfig, and support for loading config from file and environmental variables
  • Added multiple Node subclasses for spatial panning
  • Added signalflow command-line utility
  • Added signalflow_midi helper package

v0.3.1 (2018-12-31)

  • Node: Ability to stop playback and remove from graph #46
  • Unify code indentation to use spaces throughout #76
  • Add support for initializing NodeRef/Multiplex with std::vector #75
  • Monitor: Add support for multichannel monitoring #74

v0.3.0 (2018-07-15)

  • BufferRef #66
  • Example: audio-write-example #59
  • Buffer: Save to wav file #58
  • Support for named triggers #56
  • Trigger-based random number generation #49
  • Non-realtime processing #16
  • Fixed: Multiplex cannot be serialised #55
  • Node: MouseX/MouseY #65
  • Integrate with Travis CI #54
  • Generate visualisation of synthesis graph structure #53
  • Naming review #44

v0.2.0 (2016-04-17)

  • SynthRegistry #51
  • Node: Support for constant property values #39
  • Multiplex: Support for std::initializer_list #37
  • Buffer: Fill buffer from a lambda function #35
  • Buffer: Waveshaper buffers #33
  • Node: Waveshaper #27
  • JSON parsing to load serialised synth graphs #17
  • SynthDef: Support for named inputs and outputs #4
  • Support for non-44k samplerates #2
  • Buffer recording #1
  • Fixed: Add node-constant operations where node is the RHS operand #30
  • Fixed: Prevent a node from being stepped multiple times per tick #29
  • Fixed: Rename channels_out → num_output_channels for consistency #23
  • Further examples #48
  • Node: MoogVCF #43
  • Node: Linear scale #41
  • Node: Triangle #26
  • Node: Saw #25
  • Update basic nodes to handle multi-channel inputs #24
  • Node: EQ #19

v0.1.1 (2016-03-23)

  • Incorporate JSON parser library #7
  • Correct loading of multichannel buffers #18

v0.0.1 (2016-01-01)

  • Basic framework with Node and Graph classes
  • Automatic reference counting with NodeRef as a subclass of std::shared_ptr
  • Synthesis nodes: Sine, Square, Granulator, Wavetable
  • Control nodes: Tick, Line, ASR
  • Effects nodes: Delay, Gate, Pan, Resample, Width
  • Chance nodes: RandomImpulse, Noise
  • Buffer object to store fixed buffers of sample data
  • RingBuffer for circular buffering
  • Global Registry to store and instantiate Node objects by identifier
  • Fast Fourier Transform (FFT) and inverse FFT (IFFT) nodes with Accelerate optimisation
  • Operator overloading for node addition, multiplication, addition and subtraction
  • Node output monitoring
  • Cross-platform I/O with libsoundio
  • Audio file I/O with libsndfile
  • waf-based build system
  • Raspberry Pi support