197 lines
6.3 KiB
Rust
197 lines
6.3 KiB
Rust
use std::sync::{Arc, Mutex};
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use std::time;
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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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use decoder;
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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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image: Option<image::GrayImage>,
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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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image: None,
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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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texture: Option<(egui::TextureId, egui::Vec2)>,
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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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texture: None,
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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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texture,
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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(
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[300.0, 20.0],
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TextEdit::singleline(input_path).interactive(!state.is_running()),
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);
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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(
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[300.0, 20.0],
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TextEdit::singleline(output_path).interactive(!state.is_running()),
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);
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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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let input_path = input_path.clone();
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let output_path = output_path.clone();
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state.run_state = DecoderRunState::RUNNING;
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std::thread::spawn(move || {
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decoder::decode(&input_path, &output_path, |progress, image| {
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let mut state = decoding_state.lock().unwrap();
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state.progress = progress;
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state.image = Some(image);
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frame.request_repaint();
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return state.is_running();
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})
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.unwrap();
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let mut state = decoding_state.lock().unwrap();
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state.run_state = DecoderRunState::DONE;
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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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if let Some(image) = state.image.take() {
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let image = image::DynamicImage::ImageLuma8(image);
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let size = [image.width() as _, image.height() as _];
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let pixels = image.into_rgba8();
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let epi_img = epi::Image::from_rgba_unmultiplied(
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size,
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pixels.as_flat_samples().as_slice(),
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);
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let size = egui::Vec2::new(size[0] as f32, size[1] as f32);
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if let Some((old_texture, _)) = texture {
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frame.free_texture(*old_texture);
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}
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*texture = Some((frame.alloc_texture(epi_img), size));
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state.image = None;
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}
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if let Some((texture, size)) = texture {
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ui.image(*texture, *size);
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}
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});
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}
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}
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}
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