fix: add missing timestamp.rs

src/timestamp.rs

@@ -0,0 +1,70 @@
+use std::ops;
+use std::ops::AddAssign;
+use std::time::Duration;
+
+#[derive(Debug, Copy, Clone, PartialEq)]
+pub struct Timestamp {
+ pub counter: u64,
+ pub samplerate: f64,
+}
+
+impl AddAssign<Duration> for Timestamp {
+ fn add_assign(&mut self, rhs: Duration) {
+ let samples = rhs.as_secs_f64() * self.samplerate;
+ self.counter += samples as u64;
+ }
+}
+
+impl AddAssign<u64> for Timestamp {
+ fn add_assign(&mut self, rhs: u64) {
+ self.counter += rhs;
+ }
+}
+
+impl<T> ops::Add<T> for Timestamp
+where
+ Self: AddAssign<T>,
+{
+ type Output = Self;
+
+ fn add(mut self, rhs: T) -> Self {
+ self.add_assign(rhs);
+ self
+ }
+}
+
+impl Timestamp {
+ pub fn new(samplerate: f64) -> Self {
+ Self {
+ counter: 0,
+ samplerate,
+ }
+ }
+
+ pub fn from_count(samplerate: f64, counter: u64) -> Self {
+ Self {
+ samplerate,
+ counter,
+ }
+ }
+
+ pub fn from_duration(samplerate: f64, duration: Duration) -> Self {
+ Self::from_seconds(samplerate, duration.as_secs_f64())
+ }
+
+ pub fn from_seconds(samplerate: f64, seconds: f64) -> Self {
+ let samples = samplerate * seconds;
+ Self {
+ samplerate,
+ counter: samples as _,
+ }
+ }
+
+ pub fn as_duration(&self) -> Duration {
+ Duration::from_secs_f64(self.as_seconds())
+ }
+
+ pub fn as_seconds(&self) -> f64 {
+ self.counter as f64 / self.samplerate
+ }
+}