106 lines
2.4 KiB
Rust
106 lines
2.4 KiB
Rust
// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
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// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
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// See README.md and COPYING for details.
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const SMOOTHING_TIME_MS: f32 = 10.0;
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pub struct Smoother {
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slope_samples: usize,
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value: f32,
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inc: f32,
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target: f32,
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count: usize,
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done: bool,
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}
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impl Smoother {
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pub fn new() -> Self {
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Self { slope_samples: 0, value: 0.0, inc: 0.0, count: 0, target: 0.0, done: true }
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}
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pub fn set_sample_rate(&mut self, sr: f32) {
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self.slope_samples = ((sr * SMOOTHING_TIME_MS) / 1000.0).ceil() as usize;
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}
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#[inline]
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pub fn is_done(&self) -> bool {
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self.done
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}
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#[inline]
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#[allow(dead_code)]
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pub fn stop(&mut self) {
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self.done = true;
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}
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#[inline]
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pub fn set(&mut self, current: f32, target: f32) {
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self.value = current;
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self.count = self.slope_samples;
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self.inc = (target - current) / (self.count as f32);
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self.target = target;
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self.done = false;
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}
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#[allow(dead_code)]
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#[inline]
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pub fn current(&self) -> f32 {
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if self.done {
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self.target
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} else {
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self.value
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}
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}
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#[inline]
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pub fn next(&mut self) -> f32 {
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//d// println!("NEXT: count={}, value={:6.3} inc={:6.4}",
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//d// self.count,
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//d// self.value,
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//d// self.inc);
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if self.count == 0 {
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self.done = true;
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self.target
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} else {
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self.value += self.inc;
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self.count -= 1;
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self.value
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}
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}
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}
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pub struct PerfTimer {
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lbl: &'static str,
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i: std::time::Instant,
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off: bool,
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// let tb = std::time::Instant::now();
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// let ta = std::time::Instant::now().duration_since(ta);
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// let tb = std::time::Instant::now().duration_since(tb);
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// println!("ta Elapsed: {:?}", ta);
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}
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impl PerfTimer {
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#[inline]
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pub fn off(mut self) -> Self {
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self.off = true;
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self
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}
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#[inline]
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pub fn new(lbl: &'static str) -> Self {
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Self { lbl, i: std::time::Instant::now(), off: false }
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}
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#[inline]
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pub fn print(&mut self, lbl2: &str) {
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if self.off {
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return;
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}
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let t = std::time::Instant::now().duration_since(self.i);
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println!("*** PERF[{}/{}] {:?}", self.lbl, lbl2, t);
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self.i = std::time::Instant::now();
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}
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}
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