372 lines
10 KiB
Rust
372 lines
10 KiB
Rust
extern crate eframe;
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extern crate hound;
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extern crate image;
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extern crate rfd;
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mod amdemod;
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mod aptsyncer;
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mod firfilter;
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mod resamplers;
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mod utils;
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use std::fs::File;
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use std::io::prelude::*;
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use std::path::Path;
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use std::sync::{Arc, Mutex};
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use std::time;
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use amdemod::SquaringAMDemodulator;
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use aptsyncer::{APTSyncer, SyncedSample};
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use firfilter::FIRFilter;
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use resamplers::{Downsampler, Upsampler};
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use utils::float_sample_iterator;
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const LINES_PER_SECOND: u32 = 2;
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const PIXELS_PER_LINE: u32 = 2080;
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const LOWPASS_COEFFS: [f32; 63] = [
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-7.383784e-03,
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-3.183046e-03,
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2.255039e-03,
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7.461166e-03,
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1.091908e-02,
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1.149109e-02,
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8.769802e-03,
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3.252932e-03,
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-3.720606e-03,
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-1.027446e-02,
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-1.447403e-02,
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-1.486427e-02,
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-1.092423e-02,
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-3.307958e-03,
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6.212477e-03,
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1.511364e-02,
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2.072873e-02,
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2.096037e-02,
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1.492345e-02,
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3.347624e-03,
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-1.138407e-02,
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-2.560252e-02,
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-3.507114e-02,
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-3.591225e-02,
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-2.553830e-02,
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-3.371569e-03,
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2.882645e-02,
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6.711368e-02,
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1.060042e-01,
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1.394643e-01,
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1.620650e-01,
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1.700462e-01,
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1.620650e-01,
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1.394643e-01,
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1.060042e-01,
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6.711368e-02,
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2.882645e-02,
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-3.371569e-03,
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-2.553830e-02,
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-3.591225e-02,
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-3.507114e-02,
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-2.560252e-02,
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-1.138407e-02,
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3.347624e-03,
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1.492345e-02,
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2.096037e-02,
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2.072873e-02,
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1.511364e-02,
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6.212477e-03,
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-3.307958e-03,
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-1.092423e-02,
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-1.486427e-02,
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-1.447403e-02,
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-1.027446e-02,
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-3.720606e-03,
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3.252932e-03,
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8.769802e-03,
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1.149109e-02,
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1.091908e-02,
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7.461166e-03,
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2.255039e-03,
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-3.183046e-03,
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-7.383784e-03,
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];
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use eframe::egui::text_edit::TextEdit;
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use eframe::egui::widgets::{Button, ProgressBar};
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use eframe::egui::{Color32, RichText};
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use eframe::{egui, epi};
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#[derive(PartialEq)]
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enum DecoderRunState {
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RUNNING,
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CANCELED,
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DONE,
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}
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struct DecoderJobState {
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progress: f32,
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run_state: DecoderRunState,
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}
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impl DecoderJobState {
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fn is_running(&self) -> bool {
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self.run_state == DecoderRunState::RUNNING
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}
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}
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impl Default for DecoderJobState {
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fn default() -> Self {
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Self {
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progress: 0.0,
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run_state: DecoderRunState::DONE,
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}
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}
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}
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pub struct DecoderApp {
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input_path: String,
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output_path: String,
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decoding_state: Arc<Mutex<DecoderJobState>>,
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}
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impl Default for DecoderApp {
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fn default() -> Self {
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Self {
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// Example stuff:
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input_path: "input.wav".to_owned(),
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output_path: "output.png".to_owned(),
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decoding_state: Arc::new(Mutex::new(DecoderJobState::default())),
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}
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}
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}
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impl epi::App for DecoderApp {
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fn name(&self) -> &str {
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"eframe template"
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}
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/// Called once before the first frame.
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fn setup(
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&mut self,
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_ctx: &egui::CtxRef,
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_frame: &epi::Frame,
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_storage: Option<&dyn epi::Storage>,
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) {
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}
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/// Called each time the UI needs repainting, which may be many times per second.
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/// Put your widgets into a `SidePanel`, `TopPanel`, `CentralPanel`, `Window` or `Area`.
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fn update(&mut self, ctx: &egui::CtxRef, frame: &epi::Frame) {
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let Self {
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input_path,
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output_path,
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decoding_state,
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} = self;
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{
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let mut state = decoding_state.lock().unwrap();
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if !ctx.input().raw.dropped_files.is_empty() && !state.is_running() {
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if let Some(path) = ctx.input().raw.dropped_files[0].clone().path {
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*input_path = path.display().to_string();
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}
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}
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egui::CentralPanel::default().show(ctx, |ui| {
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ui.heading("APT-Decoder");
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egui::Grid::new("form_grid").num_columns(3).show(ui, |ui| {
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ui.label("Input Wav File:");
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ui.add_sized([300.0, 20.0], TextEdit::singleline(input_path));
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if ui
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.add_enabled(!state.is_running(), Button::new("Open"))
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.clicked()
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{
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if let Some(path) = rfd::FileDialog::new().pick_file() {
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*input_path = path.display().to_string();
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}
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};
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ui.end_row();
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ui.label("Output PNG File:");
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ui.add_sized([300.0, 20.0], TextEdit::singleline(output_path));
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if ui
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.add_enabled(!state.is_running(), Button::new("Save"))
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.clicked()
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{
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if let Some(path) = rfd::FileDialog::new().save_file() {
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*output_path = path.display().to_string();
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}
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};
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ui.end_row();
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});
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ui.horizontal(|ui| {
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if ui
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.add_enabled(!state.is_running(), Button::new("Decode"))
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.clicked()
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{
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let frame = frame.clone();
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let decoding_state = decoding_state.clone();
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state.run_state = DecoderRunState::RUNNING;
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let thread = std::thread::spawn(move || {
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for i in 0..101 {
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{
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let mut state = decoding_state.lock().unwrap();
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if state.run_state == DecoderRunState::CANCELED {
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frame.request_repaint();
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return;
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}
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state.progress = (i as f32) / 100.0;
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}
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frame.request_repaint();
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std::thread::sleep(time::Duration::from_millis(200));
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}
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{
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let mut state = decoding_state.lock().unwrap();
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state.progress = 100.0;
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state.run_state = DecoderRunState::DONE;
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}
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});
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}
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if ui
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.add_enabled(
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state.is_running(),
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Button::new(RichText::new("Cancel").color(Color32::RED)),
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)
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.clicked()
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{
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state.run_state = DecoderRunState::CANCELED;
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}
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});
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let progressbar = ProgressBar::new(state.progress).show_percentage();
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ui.add(progressbar);
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ui.separator();
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});
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}
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}
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}
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fn main() {
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let app = DecoderApp::default();
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let native_options = eframe::NativeOptions::default();
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eframe::run_native(Box::new(app), native_options);
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/*
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let args : Vec<String> = std::env::args().collect();
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if args.len() != 3 {
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println!("Usage: {} <wav file> <output file>", args[0]);
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return;
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}
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let mut reader = match hound::WavReader::open(&args[1]) {
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Err(e) => panic!("Could not open inputfile: {}", e),
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Ok(r) => r
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};
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if reader.spec().channels != 1 {
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panic!("Expected a mono file");
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}
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let sample_rate = reader.spec().sample_rate;
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println!("Samplerate: {}", sample_rate);
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if sample_rate != 48000 {
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panic!("Expected a 48kHz sample rate");
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}
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let sample_count = reader.len();
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let seconds = (sample_count as f32) / (sample_rate as f32);
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let lines = (seconds.ceil() as u32) * LINES_PER_SECOND;
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println!("File contains {} seconds or {} lines", seconds, lines);
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let mut img = image::ImageBuffer::new(PIXELS_PER_LINE, lines);
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let coeffs = &LOWPASS_COEFFS;
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let samples = float_sample_iterator(&mut reader);
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let demod = SquaringAMDemodulator::from(samples);
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let filter = FIRFilter::from(demod, coeffs);
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let upsampler = Upsampler::from(filter, 13);
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let downsampler = Downsampler::from(upsampler, 150);
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let syncer = APTSyncer::from(downsampler);
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let mut x = 0;
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let mut y = 0;
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let mut max_level = 0.0;
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let mut has_sync = false;
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let mut progress = 0;
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let step = sample_count * 13 / 150 / 10;
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let mut previous_sample = 0.0;
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print!("0%");
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std::io::stdout().flush().unwrap();
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for synced_sample in syncer {
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progress += 1;
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if progress % step == 0 {
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print!("...{}%", progress / step * 10);
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std::io::stdout().flush().unwrap();
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}
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let sample = match synced_sample {
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SyncedSample::Sample(s) => s,
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SyncedSample::SyncA(s) =>{
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if !has_sync {
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max_level = 0.0;
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has_sync = true;
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}
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x = 0;
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s
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}
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SyncedSample::SyncB(s) =>{
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if x < (PIXELS_PER_LINE / 2) {
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let skip_distance = (PIXELS_PER_LINE / 2) - x;
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let color = (previous_sample / max_level * 255.0) as u8;
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for i in 0..skip_distance {
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img.put_pixel(x + i,y,image::Luma([color]));
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}
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}
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if !has_sync {
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max_level = 0.0;
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has_sync = true;
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}
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x = PIXELS_PER_LINE / 2;
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s
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}
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};
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max_level = f32::max(sample, max_level);
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let color = (sample / max_level * 255.0) as u8;
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if y < lines {
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img.put_pixel(x,y,image::Luma([color]));
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}
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x += 1;
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if x >= PIXELS_PER_LINE {
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x = 0;
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y += 1;
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}
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previous_sample = sample;
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}
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println!("");
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let ref mut fout = match File::create(&Path::new(&args[2])) {
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Err(e) => panic!("Could not open outputfile: {}", e),
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Ok(f) => f
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};
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image::ImageLuma8(img).save(fout, image::PNG).unwrap();
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*/
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println!("Done !");
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}
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