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radio
rust
tokio
web-radio
command-line-tool
tui
1use crate::music::Note;
2
3/// a simple oscilloscope/vectorscope for your terminal
4#[derive(Debug)]
5pub struct ScopeArgs {
6 pub opts: SourceOptions,
7 pub ui: UiOptions,
8}
9
10#[derive(Debug, Clone)]
11pub struct UiOptions {
12 /// floating point vertical scale, from 0 to 1
13 pub scale: f32,
14
15 /// use vintage looking scatter mode instead of line mode
16 pub scatter: bool,
17
18 /// don't draw reference line
19 pub no_reference: bool,
20
21 /// hide UI and only draw waveforms
22 pub no_ui: bool,
23
24 /// don't use braille dots for drawing lines
25 pub no_braille: bool,
26}
27
28#[derive(Debug, Clone)]
29pub struct SourceOptions {
30 /// number of channels to open
31 pub channels: usize,
32
33 /// size of audio buffer, and width of scope
34 pub buffer: u32,
35
36 /// sample rate to use
37 pub sample_rate: u32,
38
39 /// tune buffer size to be in tune with given note (overrides buffer option)
40 pub tune: Option<String>,
41}
42
43// TODO its convenient to keep this here but it's not really the best place...
44impl SourceOptions {
45 pub fn tune(&mut self) {
46 if let Some(txt) = &self.tune {
47 // TODO make it less jank
48 if let Ok(note) = txt.parse::<Note>() {
49 self.buffer = note.tune_buffer_size(self.sample_rate);
50 while self.buffer % (self.channels as u32 * 2) != 0 {
51 // TODO customizable bit depth
52 self.buffer += 1; // TODO jank but otherwise it doesn't align
53 }
54 } else {
55 eprintln!("[!] Unrecognized note '{}', ignoring option", txt);
56 }
57 }
58 }
59}