mirror of
https://github.com/alemidev/scope-tui.git
synced 2024-11-23 14:14:48 +01:00
feat: initial refactor, keys to change settings
it's now possible to change most settings while scope-tui. Keybinds are `v` for vectorscope/oscilloscope, `s` for scatter/line and `+/-` to manage range.
This commit is contained in:
parent
a1abb8f290
commit
0116056072
3 changed files with 293 additions and 172 deletions
137
src/app.rs
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137
src/app.rs
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@ -0,0 +1,137 @@
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use tui::{style::Color, widgets::GraphType, symbols};
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// use crate::parser::SampleParser;
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pub enum Axis {
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X, Y
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}
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#[derive(Default)]
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pub struct ChartNames {
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x: String,
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y: String,
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}
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pub struct ChartBounds {
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x: [f64;2],
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y: [f64;2],
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}
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impl Default for ChartBounds {
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fn default() -> Self {
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ChartBounds { x: [0.0, 0.0], y: [0.0, 0.0] }
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}
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}
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pub struct AppConfig {
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pub title: String,
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pub primary_color: Color,
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pub secondary_color: Color,
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pub axis_color: Color,
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scale: u32,
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width: u32,
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vectorscope: bool,
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pub references: bool,
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pub marker_type: symbols::Marker,
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graph_type: GraphType,
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bounds: ChartBounds,
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names: ChartNames,
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}
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impl AppConfig {
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fn update_values(&mut self) {
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if self.vectorscope {
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self.bounds.x = [-(self.scale as f64), self.scale as f64];
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self.bounds.y = [-(self.scale as f64), self.scale as f64];
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self.names.x = "- left".into();
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self.names.y = "| right".into();
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} else {
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// it makes no sense to show self.scale on the left but it's kinda nice
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self.names.x = "- time".into();
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self.names.y = "| amplitude".into();
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self.bounds.x = [0.0, self.width as f64];
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self.bounds.y = [-(self.scale as f64), self.scale as f64];
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}
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}
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pub fn vectorscope(&self) -> bool {
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self.vectorscope
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}
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pub fn scale(&self) -> u32 {
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self.scale
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}
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pub fn width(&self) -> u32 {
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self.width
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}
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pub fn scatter(&self) -> bool {
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match self.graph_type {
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GraphType::Scatter => true,
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_ => false,
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}
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}
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pub fn graph_type(&self) -> GraphType {
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self.graph_type
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}
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pub fn bounds(&self, axis: Axis) -> [f64;2] {
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match axis {
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Axis::X => self.bounds.x,
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Axis::Y => self.bounds.y,
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}
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}
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pub fn name(&self, axis: Axis) -> &str {
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match axis {
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Axis::X => self.names.x.as_str(),
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Axis::Y => self.names.y.as_str(),
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}
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}
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pub fn set_vectorscope(&mut self, vectorscope: bool) {
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self.vectorscope = vectorscope;
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self.update_values();
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}
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pub fn update_scale(&mut self, increment: i32) {
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self.scale = ((self.scale as i32) + increment) as u32;
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self.update_values();
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}
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pub fn set_scatter(&mut self, scatter: bool) {
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self.graph_type = if scatter { GraphType::Scatter } else { GraphType::Line };
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}
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}
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impl From::<crate::Args> for AppConfig {
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fn from(args: crate::Args) -> Self {
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let marker_type = if args.no_braille { symbols::Marker::Dot } else { symbols::Marker::Braille };
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let graph_type = if args.scatter { GraphType::Scatter } else { GraphType::Line };
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let mut cfg = AppConfig {
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title: "TUI Oscilloscope -- <me@alemi.dev>".into(),
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primary_color: Color::Red,
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secondary_color: Color::Yellow,
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axis_color: Color::DarkGray,
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scale: args.scale,
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width: args.width / 4, // TODO It's 4 because 2 channels and 2 bytes per sample!
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vectorscope: args.vectorscope,
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references: !args.no_reference,
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bounds: ChartBounds::default(),
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names: ChartNames::default(),
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marker_type, graph_type,
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};
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cfg.update_values();
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cfg
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}
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}
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262
src/main.rs
262
src/main.rs
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@ -1,12 +1,15 @@
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mod parser;
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mod app;
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use std::{io, time::Duration};
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use tui::{
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backend::CrosstermBackend,
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widgets::{Block, Chart, Axis, GraphType, Dataset, BorderType},
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widgets::{Block, Chart, Axis, Dataset, GraphType},
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// layout::{Layout, Constraint, Direction},
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Terminal, text::Span, style::{Style, Color}, symbols
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Terminal, text::Span, style::{Style, Color, Modifier}, symbols
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};
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use crossterm::{
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event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode, KeyModifiers},
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event::{self, DisableMouseCapture, Event, KeyCode, KeyModifiers},
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execute,
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terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
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};
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@ -17,17 +20,20 @@ use libpulse_binding::sample::{Spec, Format};
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use clap::Parser;
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use parser::{SampleParser, Signed16PCM};
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use app::AppConfig;
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/// A simple oscilloscope/vectorscope for your terminal
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#[derive(Parser, Debug)]
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#[command(author, version, about, long_about = None)]
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struct Args {
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/// Size of audio buffer, and width of scope
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width: u32,
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/// Audio device to attach to
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#[arg(short, long)]
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device: Option<String>,
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/// Size of audio buffer, and width of scope
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#[arg(short, long, default_value_t = 8192)]
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width: u32,
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/// Max value on Amplitude scale
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#[arg(short, long, default_value_t = 20000)]
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scale: u32,
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@ -49,64 +55,6 @@ struct Args {
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vectorscope: bool,
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}
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trait SampleParser {
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fn oscilloscope(data: &mut [u8]) -> (Vec<(f64, f64)>, Vec<(f64, f64)>);
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fn vectorscope (data: &mut [u8]) -> Vec<(f64, f64)>;
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}
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struct Signed16PCM {}
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impl SampleParser for Signed16PCM {
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fn oscilloscope(data: &mut [u8]) -> (Vec<(f64, f64)>, Vec<(f64, f64)>) {
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let mut left = Vec::new(); // TODO does left really come first?
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let mut right = Vec::new();
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let mut buf : i16 = 0;
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let mut count : f64 = 0.0;
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let mut flip = false;
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let mut side = false;
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for sample in data {
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if flip {
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buf |= (*sample as i16) << 8;
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if side {
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left.push((count, buf as f64));
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} else {
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right.push((count, buf as f64));
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count += 1.0;
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}
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buf = 0;
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side = !side;
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} else {
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buf |= *sample as i16;
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}
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flip = !flip;
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}
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(left, right)
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}
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fn vectorscope(data: &mut [u8]) -> Vec<(f64, f64)> {
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let mut out = Vec::new(); // TODO does left really come first?
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let mut buf : i16 = 0;
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let mut flip = false;
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let mut point = None;
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for sample in data {
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if flip {
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buf |= (*sample as i16) << 8;
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if point.is_none() {
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point = Some(buf as f64);
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} else {
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out.push((point.unwrap(), buf as f64));
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point = None;
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}
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buf = 0;
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} else {
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buf |= *sample as i16;
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}
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flip = !flip;
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}
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out
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}
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}
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fn poll_event() -> Result<Option<Event>, std::io::Error> {
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if event::poll(Duration::from_millis(0))? {
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Ok(Some(event::read()?))
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@ -115,6 +63,21 @@ fn poll_event() -> Result<Option<Event>, std::io::Error> {
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}
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}
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fn data_set<'a>(
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name: &'a str,
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data: &'a Vec<(f64, f64)>,
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marker_type: symbols::Marker,
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graph_type: GraphType,
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axis_color: Color
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) -> Dataset<'a> {
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Dataset::default()
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.name(name)
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.marker(marker_type)
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.graph_type(graph_type)
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.style(Style::default().fg(axis_color))
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.data(&data)
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}
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fn main() -> Result<(), io::Error> {
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let args = Args::parse();
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@ -132,8 +95,6 @@ fn main() -> Result<(), io::Error> {
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None => None,
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};
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let marker_type = if args.no_braille { symbols::Marker::Dot } else { symbols::Marker::Braille };
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let graph_type = if args.scatter { GraphType::Scatter } else { GraphType::Line };
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let s = Simple::new(
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None, // Use the default server
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@ -153,128 +114,79 @@ fn main() -> Result<(), io::Error> {
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// setup terminal
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enable_raw_mode()?;
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let mut stdout = io::stdout();
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execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
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execute!(stdout, EnterAlternateScreen)?;
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let backend = CrosstermBackend::new(stdout);
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let mut terminal = Terminal::new(backend)?;
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terminal.hide_cursor().unwrap();
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// prepare globals
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let mut buffer : Vec<u8> = vec![0; args.width as usize];
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// let mut buffer : [u8; WINDOW] = [0;WINDOW];
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let y_bounds : [f64; 2];
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let x_bounds : [f64; 2];
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let reference_x : Dataset;
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let reference_y : Dataset;
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let mut ref_data_x = Vec::new();
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let mut ref_data_y = Vec::new();
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let mut cfg = AppConfig::from(args);
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let fmt = Signed16PCM{}; // TODO some way to choose this?
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let mut pause = false;
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if args.vectorscope {
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x_bounds = [-(args.scale as f64), args.scale as f64];
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y_bounds = [-(args.scale as f64), args.scale as f64];
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for x in -(args.scale as i64)..(args.scale as i64) {
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ref_data_x.push((x as f64, 0 as f64));
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ref_data_y.push((0 as f64, x as f64));
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}
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} else {
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x_bounds = [0.0, args.width as f64 / 4.0];
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y_bounds = [-(args.scale as f64), args.scale as f64];
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for x in 0..args.width/4 {
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ref_data_x.push((x as f64, 0 as f64));
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}
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for y in -(args.scale as i64)..(args.scale as i64) {
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ref_data_y.push(((args.width as f64) / 8.0, y as f64));
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}
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}
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reference_x = Dataset::default()
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.name("X")
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.marker(marker_type)
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.graph_type(GraphType::Line)
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.style(Style::default().fg(Color::DarkGray))
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.data(&ref_data_x);
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reference_y = Dataset::default()
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.name("Y")
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.marker(marker_type)
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.graph_type(GraphType::Line)
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.style(Style::default().fg(Color::DarkGray))
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.data(&ref_data_y);
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loop {
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s.read(&mut buffer).unwrap();
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let mut datasets = vec![];
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let (left, right) : (Vec<(f64, f64)>, Vec<(f64, f64)>);
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let merged : Vec<(f64, f64)>;
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let labels_x : Vec<Span>;
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let labels_y : Vec<Span>;
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let title_x : String;
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let title_y : String;
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if !args.no_reference {
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datasets.push(reference_x.clone());
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datasets.push(reference_y.clone());
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}
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if args.vectorscope {
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merged = Signed16PCM::vectorscope(&mut buffer);
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datasets.push(
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Dataset::default()
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.name("V")
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.marker(marker_type)
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.graph_type(graph_type)
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.style(Style::default().fg(Color::Red))
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.data(&merged)
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);
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labels_x = vec![Span::from("-"), Span::from("0"), Span::from("+")];
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labels_y = vec![Span::from("-"), Span::from("0"), Span::from("+")];
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title_x = "left".into();
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title_y = "right".into();
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} else {
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(left, right) = Signed16PCM::oscilloscope(&mut buffer);
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datasets.push(
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Dataset::default()
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.name("R")
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.marker(marker_type)
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.graph_type(graph_type)
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.style(Style::default().fg(Color::Yellow))
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.data(&right)
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);
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datasets.push(
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Dataset::default()
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.name("L")
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.marker(marker_type)
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.graph_type(graph_type)
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.style(Style::default().fg(Color::Red))
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.data(&left)
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);
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labels_x = vec![Span::from("0"), Span::from(format!("{}", args.width / 4))];
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labels_y = vec![Span::from("-"), Span::from("0"), Span::from("+")];
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title_x = "sample".into();
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title_y = "amplitude".into();
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}
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if !pause {
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let mut datasets = vec![];
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let (left, right);
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let merged;
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let mut ref_data_x = Vec::new();
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let mut ref_data_y = Vec::new();
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if cfg.references {
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if cfg.vectorscope() {
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for x in -(cfg.scale() as i64)..(cfg.scale() as i64) {
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ref_data_x.push((x as f64, 0 as f64));
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ref_data_y.push((0 as f64, x as f64));
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}
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} else {
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for x in 0..cfg.width() {
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ref_data_x.push((x as f64, 0 as f64));
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}
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for y in -(cfg.scale() as i64)..(cfg.scale() as i64) {
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ref_data_y.push(((cfg.width() as f64) / 2.0, y as f64));
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}
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}
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datasets.push(data_set("X", &ref_data_x, cfg.marker_type, GraphType::Line, cfg.axis_color));
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datasets.push(data_set("Y", &ref_data_y, cfg.marker_type, GraphType::Line, cfg.axis_color));
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}
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if cfg.vectorscope() {
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merged = fmt.vectorscope(&mut buffer);
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datasets.push(data_set("V", &merged, cfg.marker_type, cfg.graph_type(), cfg.primary_color));
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} else {
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(left, right) = fmt.oscilloscope(&mut buffer);
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datasets.push(data_set("R", &right, cfg.marker_type, cfg.graph_type(), cfg.secondary_color));
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datasets.push(data_set("L", &left, cfg.marker_type, cfg.graph_type(), cfg.primary_color));
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}
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terminal.draw(|f| {
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let size = f.size();
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let chart = Chart::new(datasets)
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.block(Block::default()
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.border_type(BorderType::Rounded)
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.border_style(Style::default().fg(Color::DarkGray))
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.title(Span::styled("TUI Oscilloscope -- <me@alemi.dev>", Style::default().fg(Color::Cyan))))
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.block(Block::default().title(
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Span::styled(
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format!(
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"TUI {} <me@alemi.dev> -- {} mode -- range {} -- {} samples",
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if cfg.vectorscope() { "Vectorscope" } else { "Oscilloscope" },
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if cfg.scatter() { "scatter" } else { "line" },
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cfg.scale(), cfg.width(),
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),
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Style::default().add_modifier(Modifier::BOLD).fg(Color::Yellow))
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))
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.x_axis(Axis::default()
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.title(Span::styled(title_x.as_str(), Style::default().fg(Color::Cyan)))
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.style(Style::default().fg(Color::DarkGray))
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.bounds(x_bounds)
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.labels(labels_x))
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.title(Span::styled(cfg.name(app::Axis::X), Style::default().fg(Color::Cyan)))
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.style(Style::default().fg(cfg.axis_color))
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.bounds(cfg.bounds(app::Axis::X)))
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.y_axis(Axis::default()
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.title(Span::styled(title_y.as_str(), Style::default().fg(Color::Cyan)))
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.style(Style::default().fg(Color::DarkGray))
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.bounds(y_bounds)
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.labels(labels_y));
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.title(Span::styled(cfg.name(app::Axis::Y), Style::default().fg(Color::Cyan)))
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.style(Style::default().fg(cfg.axis_color))
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.bounds(cfg.bounds(app::Axis::Y)));
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f.render_widget(chart, size)
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})?;
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}
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|
@ -284,6 +196,8 @@ fn main() -> Result<(), io::Error> {
|
|||
KeyModifiers::CONTROL => {
|
||||
match key.code {
|
||||
KeyCode::Char('c') => break,
|
||||
KeyCode::Char('+') => cfg.update_scale(100),
|
||||
KeyCode::Char('-') => cfg.update_scale(-100),
|
||||
_ => {},
|
||||
}
|
||||
},
|
||||
|
|
@ -291,6 +205,10 @@ fn main() -> Result<(), io::Error> {
|
|||
match key.code {
|
||||
KeyCode::Char('q') => break,
|
||||
KeyCode::Char(' ') => pause = !pause,
|
||||
KeyCode::Char('+') => cfg.update_scale(1000),
|
||||
KeyCode::Char('-') => cfg.update_scale(-1000),
|
||||
KeyCode::Char('v') => cfg.set_vectorscope(!cfg.vectorscope()),
|
||||
KeyCode::Char('s') => cfg.set_scatter(!cfg.scatter()),
|
||||
_ => {},
|
||||
}
|
||||
}
|
||||
|
|
|
|||
66
src/parser.rs
Normal file
66
src/parser.rs
Normal file
|
|
@ -0,0 +1,66 @@
|
|||
// use libpulse_binding::sample::Format;
|
||||
|
||||
// pub fn parser(fmt: Format) -> impl SampleParser {
|
||||
// match fmt {
|
||||
// Format::S16NE => Signed16PCM {},
|
||||
// _ => panic!("parser not implemented for this format")
|
||||
// }
|
||||
// }
|
||||
|
||||
pub trait SampleParser {
|
||||
fn oscilloscope(&self, data: &mut [u8]) -> (Vec<(f64, f64)>, Vec<(f64, f64)>);
|
||||
fn vectorscope (&self, data: &mut [u8]) -> Vec<(f64, f64)>;
|
||||
}
|
||||
|
||||
pub struct Signed16PCM {}
|
||||
|
||||
impl SampleParser for Signed16PCM {
|
||||
fn oscilloscope(&self, data: &mut [u8]) -> (Vec<(f64, f64)>, Vec<(f64, f64)>) {
|
||||
let mut left = Vec::new(); // TODO does left really come first?
|
||||
let mut right = Vec::new();
|
||||
let mut buf : i16 = 0;
|
||||
let mut count : f64 = 0.0;
|
||||
let mut flip = false;
|
||||
let mut side = false;
|
||||
for sample in data {
|
||||
if flip {
|
||||
buf |= (*sample as i16) << 8;
|
||||
if side {
|
||||
left.push((count, buf as f64));
|
||||
} else {
|
||||
right.push((count, buf as f64));
|
||||
count += 1.0;
|
||||
}
|
||||
buf = 0;
|
||||
side = !side;
|
||||
} else {
|
||||
buf |= *sample as i16;
|
||||
}
|
||||
flip = !flip;
|
||||
}
|
||||
(left, right)
|
||||
}
|
||||
|
||||
fn vectorscope(&self, data: &mut [u8]) -> Vec<(f64, f64)> {
|
||||
let mut out = Vec::new(); // TODO does left really come first?
|
||||
let mut buf : i16 = 0;
|
||||
let mut flip = false;
|
||||
let mut point = None;
|
||||
for sample in data {
|
||||
if flip {
|
||||
buf |= (*sample as i16) << 8;
|
||||
if point.is_none() {
|
||||
point = Some(buf as f64);
|
||||
} else {
|
||||
out.push((point.unwrap(), buf as f64));
|
||||
point = None;
|
||||
}
|
||||
buf = 0;
|
||||
} else {
|
||||
buf |= *sample as i16;
|
||||
}
|
||||
flip = !flip;
|
||||
}
|
||||
out
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue