use crate::*;

/// Audio sample rate in Hz (samples per second)
#[derive(Debug, Default)] pub struct SampleRate(AtomicF64);
impl_time_unit!(SampleRate);
impl SampleRate {
    /// Return the duration of a sample in microseconds (floating)
    #[inline] pub fn usec_per_sample (&self) -> f64 {
        1_000_000f64 / self.get()
    }
    /// Return the duration of a sample in microseconds (floating)
    #[inline] pub fn sample_per_usec (&self) -> f64 {
        self.get() / 1_000_000f64
    }
    /// Convert a number of samples to microseconds (floating)
    #[inline] pub fn samples_to_usec (&self, samples: f64) -> f64 {
        self.usec_per_sample() * samples
    }
    /// Convert a number of microseconds to samples (floating)
    #[inline] pub fn usecs_to_sample (&self, usecs:   f64) -> f64 {
        self.sample_per_usec() * usecs
    }
}