Module rsynth::backend::combined

Combine different back-ends for audio input, audio output, midi input and midi output, mostly for offline rendering and testing.

Support is only enabled if rsynth is compiled with the “backend-combined” feature, see the cargo reference for more information on setting cargo features.

The run function can be used to run a plugin and read audio and midi from the inputs and write audio and midi to the outputs.

Currently, the following inputs and outputs are available:

• Dummy: AudioDummy: dummy audio input (generates silence) and output and MidiDummy: dummy midi input (generates no events) and output
• Hound: HoundAudioReader and HoundAudioWriter: read and write .wav files (behind the “backend-combined-hound” feature)
• Rimd: RimdMidiReader and RimdMidiWriter: reand and write .mid files (behind the “backend-combined-rimd” feature, only available when using rsynth from sources, not from crates.io)
• Memory: AudioBufferReader and AudioBufferWriter: read and write audio from memory
• Testing: TestAudioReader and TestAudioWriter: audio input and output, to be used in tests

Modules

• dummy
  Dummy backend that does nothing, useful for testing.
• hound
  Backend for reading and writing .wav files, based on the hound crate.
• memory
  In-memory backend, useful for testing.

Structs

• MidiWriterWrapper
  A wrapper around a midi writer that implements EventHandler<Timed<RawMidiEvent>> by queueing the events, which can then be written to the encapsulated MidiWriter by calling step_frames.
• TestAudioReader
  An audio reader, useful for testing.
• TestAudioWriter
  An audio writer, useful for testing.
• TestMidiReader
  A midi reader, useful for testing.
• TestMidiWriter
  A midi writer, useful for testing.

Enums

• CombinedError
  The error type that represents the errors you can get from the run function.

Constants

• MICROSECONDS_PER_SECOND

Traits

• AudioReader
  Define how audio is read.
• AudioWriter
  Define how audio is written.
• MidiWriter

Functions

• run
  Run an audio renderer with the given audio input, audio output, midi input and midi output.