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#![cfg_attr(not(feature = "std"), no_std)]
pub mod atomic_float;
pub mod channel_config;
pub mod clock;
pub mod collector;
pub mod diff;
pub mod dsp;
pub mod event;
pub mod log;
pub mod mask;
pub mod node;
pub mod param;
pub mod sample_resource;
pub mod vector;
use core::num::NonZeroU32;
extern crate self as firewheel_core;
/// Information about a running audio stream.
#[derive(Debug, Clone, PartialEq)]
pub struct StreamInfo {
/// The sample rate of the audio stream.
pub sample_rate: NonZeroU32,
/// The reciprocal of the sample rate.
///
/// This is provided for convenience since dividing by the sample rate is such a
/// common operation.
///
/// Note to users implementing a custom `AudioBackend`: The context will overwrite
/// this value, so just set this to the default value.
pub sample_rate_recip: f64,
/// The sample rate of the previous stream. (If this is the first stream, then this
/// will just be a copy of [`StreamInfo::sample_rate`]).
///
/// Note to users implementing a custom `AudioBackend`: The context will overwrite
/// this value, so just set this to the default value.
pub prev_sample_rate: NonZeroU32,
/// The maximum number of frames that can appear in a single process cyle.
pub max_block_frames: NonZeroU32,
/// The number of input audio channels in the stream.
pub num_stream_in_channels: u32,
/// The number of output audio channels in the stream.
pub num_stream_out_channels: u32,
/// The latency of the input to output stream in seconds.
pub input_to_output_latency_seconds: f64,
/// The number of frames used in the shared declicker DSP.
///
/// Note to users implementing a custom `AudioBackend`: The context will overwrite
/// this value, so just set this to the default value.
pub declick_frames: NonZeroU32,
}
impl Default for StreamInfo {
fn default() -> Self {
Self {
sample_rate: NonZeroU32::new(44100).unwrap(),
sample_rate_recip: 44100.0f64.recip(),
prev_sample_rate: NonZeroU32::new(44100).unwrap(),
max_block_frames: NonZeroU32::new(1024).unwrap(),
num_stream_in_channels: 0,
num_stream_out_channels: 2,
input_to_output_latency_seconds: 0.0,
declick_frames: NonZeroU32::MIN,
}
}
}