Struct TestBackend 

pub struct TestBackend { /* private fields */ }

In-memory audio backend for testing. No sound card required.

Implementations

impl TestBackend

pub fn new(sample_rate: u32, buffer_size: u32, channels: u16) -> Self

pub fn process_blocks( &mut self, num_buffers: usize, callback: impl FnMut(&mut [f32]), ) -> AudioBuffer

Run the callback for num_buffers cycles and capture the output.

Trait Implementations

impl AudioBackend for TestBackend

fn start(&mut self, _callback: Box<dyn FnMut(&mut [f32]) + Send>) -> Result<()>

Start the audio stream, calling callback for each buffer.

fn stop(&mut self) -> Result<()>

Stop the audio stream.

fn sample_rate(&self) -> u32

Sample rate the backend is running at.

fn buffer_size(&self) -> u32

Buffer size in samples per channel.

fn channels(&self) -> u16

Number of output channels.