fix peak meter

Cargo.toml

@@ -25,8 +25,8 @@ anyhow = "1.0"
 rustfft = "6.2.0"
 realfft = "3.3.0"
 ruhear = "0.1.0"
-log = "0.4"
-rayon = "1.10"
+# log = "0.4"
+# rayon = "1.10"
 # crossbeam-channel = "0.5.12"
 puffin = { version = "0.19", optional = true }
 puffin_http = { version = "0.16", optional = true }

src/app.rs

@@ -4,16 +4,14 @@ use crate::frame::*;
 use crate::setting::*;
 use crate::utils::*;
 
-// use crossbeam_channel::unbounded;
-// use crossbeam_channel::{Receiver, Sender};
 use eframe::egui::{self, ViewportCommand};
 use eframe::wgpu::core::storage;
-use eframe::wgpu::rwh::HasWindowHandle;
 use egui::*;
-use rayon::prelude::*;
-use std::sync::atomic::AtomicU32;
-use std::sync::mpsc::{channel, Receiver, Sender};
-use std::sync::{Arc, Mutex};
+use std::sync::{
+    atomic::AtomicU32,
+    mpsc::{channel, Receiver, Sender},
+    Arc, Mutex,
+};
 use std::{thread, vec};
 
 /// We derive Deserialize/Serialize so we can persist app state on shutdown.

src/audio/callback.rs

@@ -207,7 +207,7 @@ pub fn get_callback(
                                     buf.osc.even_trun = !buf.osc.even_trun;
                                 }
                             }
-                            if buf.osc.raw.len() >= 2400 && buf.osc.even_trun {
+                            if buf.osc.raw.len() >= 2200 && buf.osc.even_trun {
                                 send_data.oscilloscope = OscilloscopeSendData {
                                     len: buf.osc.raw.len(),
                                     data: buf.osc.raw.clone(),
@@ -247,11 +247,7 @@ pub fn get_callback(
                         }
                     }
                     // in case of buffer overflow
-                    if buf.osc.raw.len() >= 4096 {
-                        send_data.oscilloscope = OscilloscopeSendData {
-                            len: buf.osc.raw.len(),
-                            data: buf.osc.raw.clone(),
-                        };
+                    if buf.osc.raw.len() >= 8192 {
                         buf.osc.clear();
                     }
                 } else {

src/frame/vectorscope_meter.rs

@@ -2,7 +2,7 @@ use crate::setting::*;
 use crate::utils::*;
 use crate::NanometersApp;
 use egui::*;
-use rayon::iter::IntoParallelRefIterator;
+// use rayon::iter::IntoParallelRefIterator;
 
 const SQRT2_2: f32 = 0.7071067811865476;
 const SQRT2_4: f32 = 0.3535533905932738;

src/frame/waveform_meter.rs

@@ -2,7 +2,7 @@ use crate::setting::*;
 use crate::utils::*;
 use crate::NanometersApp;
 use egui::*;
-use rayon::prelude::*;
+// use rayon::prelude::*;
 use rustfft::num_traits::WrappingSub;
 
 impl NanometersApp {

src/utils/data_struct.rs

@@ -331,7 +331,7 @@ impl Default for SendData {
     fn default() -> Self {
         Self {
             waveform: WaveformSendData::new(),
-            iir: vec![0.0; 2],
+            iir: Vec::new(),
             db: DBData::new(),
             vectorscope: VectorscopeSendData::new(),
             spectrum: RawData::new(),