Feature Wishlist on 1.0 Release

[MineCake147E]

This issue tracks ideas for new features and improvements for the first release of Shamisen.

New features

Architecture

• Add an interface for Recording => 732f381
• Add an interface for Audio Device and Audio Device Enumeration => 010435a

Primitives

• Improve implementation of Shamisen.OffsetSByte => 4464b73
  • Implement IComparable<OffsetSByte> => 4464b73
  • Implement IEquatable<OffsetSByte> => 4464b73
  • Add MaxValue and MinValue static readonly field => 4464b73
  • Implement Parse, TryParse, and ToString => 49693e4
• Add some types for manipulating Fixed-Point number arithmetics
  • Shamisen.Fixed8O (based on Shamisen.OffsetSByte)
  • Shamisen.Fixed16 => 49693e4
  • Shamisen.Fixed32

Codec

• Add an interface for representing Codecs => 64252eb
• Implement a fully-managed WAVE decoder. => 3227c35
  • RF64 Support
  • Sample formats
    • Linear PCM
      • OffsetSByte
      • short(Int16)
      • Int24
      • int(Int32)
      • long(Int64)
    • IEEE 754 Float
      • float(Single)
      • double(Double)
    • Other formats
      • A-law
      • μ-Law
• Implement a fully-managed WAVE encoder. => fc16613
  • RF64 Support
  • Sample formats
    • Linear PCM
      • OffsetSByte
      • Int16
      • Int24
      • Int32
      • Int64
    • IEEE 754 Float
      • float(Single)
      • double(Double)

Output

• Implement outputs for managed back-ends below:
  • AudioTrack(Xamarin.Android) => 9593125
  • CSCore(Windows) Deprecated
  • NAudio(Windows)
  • OpenTK(XPlat)
  • MonoGame DynamicSoundEffectInstance(XPlat) => b72d79e
• Implement outputs for native back-ends below:(low priority)
  • WASAPI(Windows) => CoreAudio API Wrapper for Windows 10 #58
  • ASIO(XPlat)
  • Oboe Backend for Android #120
  • ALSA(Linux)
    Unfortunately, I have no iOS devices and no Mac. So, the output for them will be in later release.

Signal Processing

• Implement a multi-threaded audio buffer. => a92ab23
• Implement a simple Mixer.
• Implement a simple Attenuator(Amplifier). => 8432fe0
• Implement AdvancedMixer => Mixing Reform #11

Utilities

• Add FastAdd that calculates an element-wise summation for Span<float>. => 63014dd
• Add FastScalarMultiply for Span<float>. => 3165784
• Add FastMix that adds a scaled samples to buffer, for Span<float>. => adf6e4a

Tests

• Tests for several existing features
  • Attenuator => 4be8ecd
  • BiQuadFilter => 4be8ecd
  • SimpleMixer after overhaul

Miscellaneous

• Documentation
• Logo => 51e7620
• NuGet Package

And more...

Modifications of existing features

Overhaul

• Mixing Reform Mixing Reform #11

Modification

• SplineResampler
  • Resampling Quality
    • Make it working correctly again => a9f33ec
  • Performance improvement
    • Convert increment and multiply and modulo into add and modulo => 2ed171b
• BiQuadFilter
  • Optimization
    • Localization for Format.Channels, Parameter.B, and Parameter.A => 30c3bf7
    • Loop unrolling depending on Channels
    • Improvement of Cache-Friendliness around internalStates