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refactor(engine): flatten

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- add `just stats`
- add basic doctests
This commit is contained in:
stop screaming 2026-02-21 00:03:04 +02:00
parent 7afab8eade
commit 37068784cb
34 changed files with 1285 additions and 1173 deletions
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40
Justfile
View file

@ -115,3 +115,43 @@ sampler:
{{debug}} sampler
plugin:
{{debug}} plugin
@stats:
echo
for file in $(ls app/*.rs); do echo $file; cloc $file | grep Rust; done
echo
cloc app | grep Rust
rg 'pub struct ' app/ | cat
rg 'pub struct ' app/ | wc -l
rg 'pub trait ' app/ | cat
rg 'pub trait ' app/ | wc -l
echo
rg 'TODO' app/ | cat
rg 'TODO' app/ | wc -l
echo
for file in $(ls engine/*.rs); do echo $file; cloc $file | grep Rust; done
echo
cloc engine | grep Rust
rg 'pub struct ' engine/ | cat
rg 'pub struct ' engine/ | wc -l
rg 'pub trait ' engine/ | cat
rg 'pub trait ' engine/ | wc -l
echo
rg 'TODO' engine/ | cat
rg 'TODO' engine/ | wc -l
echo
for file in $(ls device/*.rs); do echo $file; cloc $file | grep Rust; done
echo
cloc device | grep Rust
rg 'pub struct ' device/ | cat
rg 'pub struct ' device/ | wc -l
rg 'pub trait ' device/ | cat
rg 'pub trait ' device/ | wc -l
echo
rg 'TODO' device/ | cat
rg 'TODO' device/ | wc -l
echo

2
app/tek_impls.rs
View file

@ -510,7 +510,7 @@ impl App {
&& slot.is_none()
&& let Some(track) = self.project.tracks.get_mut(track)
{
let (index, mut clip) = self.pool.add_new_clip();
let (_index, mut clip) = self.pool.add_new_clip();
// autocolor: new clip colors from scene and track color
let color = track.color.base.mix(scene.color.base, 0.5);
clip.write().unwrap().color = ItemColor::random_near(color, 0.2).into();

21
app/tek_struct.rs
View file

@ -5,7 +5,25 @@ use builder_pattern::Builder;
/// Total state
///
/// ```
/// use tek::tek_device::TracksView;
/// let app: tek::App = Default::default();
/// let _ = app.scene_add(None, None)?;
/// let _ = app.update_clock();
/// app.project.editor = Some(Default::default());
/// //let _: Vec<_> = app.project.inputs_with_sizes().collect();
/// //let _: Vec<_> = app.project.outputs_with_sizes().collect();
/// let _: Vec<_> = app.project.tracks_with_sizes().collect();
/// //let _: Vec<_> = app.project.scenes_with_sizes(true, 10, 10).collect();
/// //let _: Vec<_> = app.scenes_with_colors(true, 10).collect();
/// //let _: Vec<_> = app.scenes_with_track_colors(true, 10, 10).collect();
/// let _ = app.project.w();
/// //let _ = app.project.w_sidebar();
/// //let _ = app.project.w_tracks_area();
/// let _ = app.project.h();
/// //let _ = app.project.h_tracks_area();
/// //let _ = app.project.h_inputs();
/// //let _ = app.project.h_outputs();
/// let _ = app.project.h_scenes();
/// ```
#[derive(Default, Debug)] pub struct App {
/// Base color.
@ -120,6 +138,9 @@ use builder_pattern::Builder;
///
/// ```
/// let cli: tek::Cli = Default::default();
///
/// use clap::CommandFactory;
/// tek::Cli::command().debug_assert();
/// ```
#[derive(Debug, Parser, Default)]
#[command(name = "tek", version, about = Some(HEADER), long_about = Some(HEADER))]

72
app/tek_test.rs
View file

@ -25,31 +25,6 @@ use crate::*;
}
#[cfg(test)] #[test] fn test_cli () {
use clap::CommandFactory;
Cli::command().debug_assert();
//let jack = Jack::default();
}
#[cfg(test)] #[test] fn test_app () -> Usually<()> {
let mut app = App::default();
let _ = app.scene_add(None, None)?;
let _ = app.update_clock();
Ok(())
}
#[cfg(test)] #[test] fn test_track () -> Usually<()> {
let track = Track::default();
Ok(())
}
#[cfg(test)] #[test] fn test_scene () -> Usually<()> {
let scene = Scene::default();
let _ = scene.pulses();
let _ = scene.is_playing(&[]);
Ok(())
}
#[cfg(test)] #[test] fn test_view_layout () {
let _ = button_play_pause(true);
let _ = button_2("", "", true);
@ -83,52 +58,5 @@ use crate::*;
}
}
#[cfg(test)] #[test] fn test_view_iter () {
let mut app = App::default();
app.project.editor = Some(Default::default());
//let _: Vec<_> = app.project.inputs_with_sizes().collect();
//let _: Vec<_> = app.project.outputs_with_sizes().collect();
let _: Vec<_> = app.project.tracks_with_sizes().collect();
//let _: Vec<_> = app.project.scenes_with_sizes(true, 10, 10).collect();
//let _: Vec<_> = app.scenes_with_colors(true, 10).collect();
//let _: Vec<_> = app.scenes_with_track_colors(true, 10, 10).collect();
}
#[cfg(test)] #[test] fn test_view_sizes () {
let app = App::default();
let _ = app.project.w();
//let _ = app.project.w_sidebar();
//let _ = app.project.w_tracks_area();
let _ = app.project.h();
//let _ = app.project.h_tracks_area();
//let _ = app.project.h_inputs();
//let _ = app.project.h_outputs();
let _ = app.project.h_scenes();
}
#[cfg(test)] #[test] fn test_midi_edit () {
let _editor = MidiEditor::default();
let mut editor = MidiEditor {
mode: PianoHorizontal::new(Some(&Arc::new(RwLock::new(MidiClip::stop_all())))),
size: Default::default(),
//keys: Default::default(),
};
let _ = editor.put_note(true);
let _ = editor.put_note(false);
let _ = editor.clip_status();
let _ = editor.edit_status();
struct TestEditorHost(Option<MidiEditor>);
has!(Option<MidiEditor>: |self: TestEditorHost|self.0);
//has_editor!(|self: TestEditorHost|{
//editor = self.0;
//editor_w = 0;
//editor_h = 0;
//is_editing = false;
//});
let mut host = TestEditorHost(Some(editor));
let _ = host.editor();
let _ = host.editor_mut();
let _ = host.is_editing();
let _ = host.editor_w();
let _ = host.editor_h();
}

239
device/editor.rs
View file

@ -1,6 +1,58 @@
use crate::*;
impl<T: Has<Option<MidiEditor>>> HasEditor for T {}
/// Contains state for viewing and editing a clip.
///
/// ```
/// let mut editor = tek_device::MidiEditor {
/// mode: PianoHorizontal::new(Some(&Arc::new(RwLock::new(MidiClip::stop_all())))),
/// size: Default::default(),
/// //keys: Default::default(),
/// };
/// let _ = editor.put_note(true);
/// let _ = editor.put_note(false);
/// let _ = editor.clip_status();
/// let _ = editor.edit_status();
/// ```
pub struct MidiEditor {
/// Size of editor on screen
pub size: Measure<TuiOut>,
/// View mode and state of editor
pub mode: PianoHorizontal,
}
/// A clip, rendered as a horizontal piano roll.
///
/// ```
/// let piano: tek_device::PianoHorizontal = Default::default();
/// ```
#[derive(Clone, Default)] pub struct PianoHorizontal {
pub clip: Option<Arc<RwLock<MidiClip>>>,
/// Buffer where the whole clip is rerendered on change
pub buffer: Arc<RwLock<BigBuffer>>,
/// Size of actual notes area
pub size: Measure<TuiOut>,
/// The display window
pub range: MidiSelection,
/// The note cursor
pub point: MidiCursor,
/// The highlight color palette
pub color: ItemTheme,
/// Width of the keyboard
pub keys_width: u16,
}
pub struct OctaveVertical { on: [bool; 12], colors: [Color; 3] }
/// ```
/// struct TestEditorHost(Option<MidiEditor>);
/// has!(Option<MidiEditor>: |self: TestEditorHost|self.0);
/// let mut host = TestEditorHost(Some(MidiEditor::default()));
/// let _ = host.editor();
/// let _ = host.editor_mut();
/// let _ = host.is_editing();
/// let _ = host.editor_w();
/// let _ = host.editor_h();
/// ```
pub trait HasEditor: Has<Option<MidiEditor>> {
fn editor (&self) -> Option<&MidiEditor> {
self.get().as_ref()
@ -18,32 +70,11 @@ pub trait HasEditor: Has<Option<MidiEditor>> {
self.editor().map(|e|e.size.h()).unwrap_or(0) as usize
}
}
#[macro_export] macro_rules! has_editor {
(|$self:ident: $Struct:ident|{
editor = $e0:expr;
editor_w = $e1:expr;
editor_h = $e2:expr;
is_editing = $e3:expr;
}) => {
impl HasEditor for $Struct {
fn editor (&$self) -> Option<&MidiEditor> { $e0.as_ref() }
fn editor_mut (&mut $self) -> Option<&mut MidiEditor> { $e0.as_mut() }
fn editor_w (&$self) -> usize { $e1 }
fn editor_h (&$self) -> usize { $e2 }
fn is_editing (&$self) -> bool { $e3 }
}
};
}
/// Contains state for viewing and editing a clip
pub struct MidiEditor {
/// Size of editor on screen
pub size: Measure<TuiOut>,
/// View mode and state of editor
pub mode: PianoHorizontal,
}
impl<T: Has<Option<MidiEditor>>> HasEditor for T {}
has!(Measure<TuiOut>: |self: MidiEditor|self.size);
impl Default for MidiEditor {
fn default () -> Self {
Self {
@ -52,16 +83,19 @@ impl Default for MidiEditor {
}
}
}
impl std::fmt::Debug for MidiEditor {
fn fmt (&self, f: &mut Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
f.debug_struct("MidiEditor").field("mode", &self.mode).finish()
}
}
from!(MidiEditor: |clip: &Arc<RwLock<MidiClip>>| {
let model = Self::from(Some(clip.clone()));
model.redraw();
model
});
from!(MidiEditor: |clip: Option<Arc<RwLock<MidiClip>>>| {
let mut model = Self::default();
*model.clip_mut() = clip;
@ -100,58 +134,6 @@ impl MidiEditor {
self.mode.redraw();
}
}
}
impl TimeRange for MidiEditor {
fn time_len (&self) -> &AtomicUsize { self.mode.time_len() }
fn time_zoom (&self) -> &AtomicUsize { self.mode.time_zoom() }
fn time_lock (&self) -> &AtomicBool { self.mode.time_lock() }
fn time_start (&self) -> &AtomicUsize { self.mode.time_start() }
fn time_axis (&self) -> &AtomicUsize { self.mode.time_axis() }
}
impl NoteRange for MidiEditor {
fn note_lo (&self) -> &AtomicUsize { self.mode.note_lo() }
fn note_axis (&self) -> &AtomicUsize { self.mode.note_axis() }
}
impl NotePoint for MidiEditor {
fn note_len (&self) -> &AtomicUsize { self.mode.note_len() }
fn note_pos (&self) -> &AtomicUsize { self.mode.note_pos() }
}
impl TimePoint for MidiEditor {
fn time_pos (&self) -> &AtomicUsize { self.mode.time_pos() }
}
impl MidiViewer for MidiEditor {
fn buffer_size (&self, clip: &MidiClip) -> (usize, usize) { self.mode.buffer_size(clip) }
fn redraw (&self) { self.mode.redraw() }
fn clip (&self) -> &Option<Arc<RwLock<MidiClip>>> { self.mode.clip() }
fn clip_mut (&mut self) -> &mut Option<Arc<RwLock<MidiClip>>> { self.mode.clip_mut() }
fn set_clip (&mut self, p: Option<&Arc<RwLock<MidiClip>>>) { self.mode.set_clip(p) }
}
def_command!(MidiEditCommand: |editor: MidiEditor| {
Show { clip: Option<Arc<RwLock<MidiClip>>> } => {
editor.set_clip(clip.as_ref()); editor.redraw(); Ok(None) },
DeleteNote => {
editor.redraw(); todo!() },
AppendNote { advance: bool } => {
editor.put_note(*advance); editor.redraw(); Ok(None) },
SetNotePos { pos: usize } => {
editor.set_note_pos((*pos).min(127)); editor.redraw(); Ok(None) },
SetNoteLen { len: usize } => {
editor.set_note_len(*len); editor.redraw(); Ok(None) },
SetNoteScroll { scroll: usize } => {
editor.set_note_lo((*scroll).min(127)); editor.redraw(); Ok(None) },
SetTimePos { pos: usize } => {
editor.set_time_pos(*pos); editor.redraw(); Ok(None) },
SetTimeScroll { scroll: usize } => {
editor.set_time_start(*scroll); editor.redraw(); Ok(None) },
SetTimeZoom { zoom: usize } => {
editor.set_time_zoom(*zoom); editor.redraw(); Ok(None) },
SetTimeLock { lock: bool } => {
editor.set_time_lock(*lock); editor.redraw(); Ok(None) },
// TODO: 1-9 seek markers that by default start every 8th of the clip
});
impl MidiEditor {
fn _todo_opt_clip_stub (&self) -> Option<Arc<RwLock<MidiClip>>> { todo!() }
fn clip_length (&self) -> usize { self.clip().as_ref().map(|p|p.read().unwrap().length).unwrap_or(1) }
fn note_length (&self) -> usize { self.get_note_len() }
@ -185,19 +167,6 @@ impl MidiEditor {
self.get_time_pos().overflowing_sub(1)
.0.min(self.clip_length().saturating_sub(1))
}
}
impl Draw<TuiOut> for MidiEditor {
fn draw (&self, to: &mut TuiOut) { self.content().draw(to) }
}
impl Layout<TuiOut> for MidiEditor {
fn layout (&self, to: XYWH<u16>) -> XYWH<u16> { self.content().layout(to) }
}
impl HasContent<TuiOut> for MidiEditor {
fn content (&self) -> impl Content<TuiOut> { self.autoscroll(); /*self.autozoom();*/ self.size.of(&self.mode) }
}
impl MidiEditor {
pub fn clip_status (&self) -> impl Content<TuiOut> + '_ {
let (_color, name, length, looped) = if let Some(clip) = self.clip().as_ref().map(|p|p.read().unwrap()) {
(clip.color, clip.name.clone(), clip.length, clip.looped)
@ -222,7 +191,7 @@ impl MidiEditor {
let time_zoom = self.get_time_zoom();
let time_lock = if self.get_time_lock() { "[lock]" } else { " " };
let note_pos = self.get_note_pos();
let note_name = format!("{:4}", Note::pitch_to_name(note_pos));
let note_name = format!("{:4}", note_pitch_to_name(note_pos));
let note_pos = format!("{:>3}", note_pos);
let note_len = format!("{:>4}", self.get_note_len());
Fixed::X(20, col!(
@ -242,30 +211,79 @@ impl MidiEditor {
}
}
/// A clip, rendered as a horizontal piano roll.
#[derive(Clone)]
pub struct PianoHorizontal {
pub clip: Option<Arc<RwLock<MidiClip>>>,
/// Buffer where the whole clip is rerendered on change
pub buffer: Arc<RwLock<BigBuffer>>,
/// Size of actual notes area
pub size: Measure<TuiOut>,
/// The display window
pub range: MidiRangeModel,
/// The note cursor
pub point: MidiPointModel,
/// The highlight color palette
pub color: ItemTheme,
/// Width of the keyboard
pub keys_width: u16,
impl TimeRange for MidiEditor {
fn time_len (&self) -> &AtomicUsize { self.mode.time_len() }
fn time_zoom (&self) -> &AtomicUsize { self.mode.time_zoom() }
fn time_lock (&self) -> &AtomicBool { self.mode.time_lock() }
fn time_start (&self) -> &AtomicUsize { self.mode.time_start() }
fn time_axis (&self) -> &AtomicUsize { self.mode.time_axis() }
}
impl NoteRange for MidiEditor {
fn note_lo (&self) -> &AtomicUsize { self.mode.note_lo() }
fn note_axis (&self) -> &AtomicUsize { self.mode.note_axis() }
}
impl NotePoint for MidiEditor {
fn note_len (&self) -> &AtomicUsize { self.mode.note_len() }
fn note_pos (&self) -> &AtomicUsize { self.mode.note_pos() }
}
impl TimePoint for MidiEditor {
fn time_pos (&self) -> &AtomicUsize { self.mode.time_pos() }
}
impl MidiViewer for MidiEditor {
fn buffer_size (&self, clip: &MidiClip) -> (usize, usize) { self.mode.buffer_size(clip) }
fn redraw (&self) { self.mode.redraw() }
fn clip (&self) -> &Option<Arc<RwLock<MidiClip>>> { self.mode.clip() }
fn clip_mut (&mut self) -> &mut Option<Arc<RwLock<MidiClip>>> { self.mode.clip_mut() }
fn set_clip (&mut self, p: Option<&Arc<RwLock<MidiClip>>>) { self.mode.set_clip(p) }
}
def_command!(MidiEditCommand: |editor: MidiEditor| {
Show { clip: Option<Arc<RwLock<MidiClip>>> } => {
editor.set_clip(clip.as_ref()); editor.redraw(); Ok(None) },
DeleteNote => {
editor.redraw(); todo!() },
AppendNote { advance: bool } => {
editor.put_note(*advance); editor.redraw(); Ok(None) },
SetNotePos { pos: usize } => {
editor.set_note_pos((*pos).min(127)); editor.redraw(); Ok(None) },
SetNoteLen { len: usize } => {
editor.set_note_len(*len); editor.redraw(); Ok(None) },
SetNoteScroll { scroll: usize } => {
editor.set_note_lo((*scroll).min(127)); editor.redraw(); Ok(None) },
SetTimePos { pos: usize } => {
editor.set_time_pos(*pos); editor.redraw(); Ok(None) },
SetTimeScroll { scroll: usize } => {
editor.set_time_start(*scroll); editor.redraw(); Ok(None) },
SetTimeZoom { zoom: usize } => {
editor.set_time_zoom(*zoom); editor.redraw(); Ok(None) },
SetTimeLock { lock: bool } => {
editor.set_time_lock(*lock); editor.redraw(); Ok(None) },
// TODO: 1-9 seek markers that by default start every 8th of the clip
});
impl Draw<TuiOut> for MidiEditor {
fn draw (&self, to: &mut TuiOut) { self.content().draw(to) }
}
impl Layout<TuiOut> for MidiEditor {
fn layout (&self, to: XYWH<u16>) -> XYWH<u16> { self.content().layout(to) }
}
impl HasContent<TuiOut> for MidiEditor {
fn content (&self) -> impl Content<TuiOut> { self.autoscroll(); /*self.autozoom();*/ self.size.of(&self.mode) }
}
has!(Measure<TuiOut>:|self:PianoHorizontal|self.size);
impl PianoHorizontal {
pub fn new (clip: Option<&Arc<RwLock<MidiClip>>>) -> Self {
let size = Measure::new(0, 0);
let mut range = MidiRangeModel::from((12, true));
let mut range = MidiSelection::from((12, true));
range.time_axis = size.x.clone();
range.note_axis = size.y.clone();
let piano = Self {
@ -273,7 +291,7 @@ impl PianoHorizontal {
size,
range,
buffer: RwLock::new(Default::default()).into(),
point: MidiPointModel::default(),
point: MidiCursor::default(),
clip: clip.cloned(),
color: clip.as_ref().map(|p|p.read().unwrap().color).unwrap_or(ItemTheme::G[64]),
};
@ -454,9 +472,9 @@ impl PianoHorizontal {
continue
}
if note == note_pos {
to.blit(&format!("{:<5}", Note::pitch_to_name(note)), x, screen_y, on_style)
to.blit(&format!("{:<5}", note_pitch_to_name(note)), x, screen_y, on_style)
} else {
to.blit(&Note::pitch_to_name(note), x, screen_y, off_style)
to.blit(&note_pitch_to_name(note), x, screen_y, off_style)
};
}
})))
@ -542,7 +560,6 @@ fn to_key (note: usize) -> &'static str {
}
}
pub struct OctaveVertical { on: [bool; 12], colors: [Color; 3] }
impl Default for OctaveVertical {
fn default () -> Self {
Self { on: [false; 12], colors: [Rgb(255,255,255), Rgb(0,0,0), Rgb(255,0,0)] }

26
device/scene.rs
View file

@ -1,5 +1,21 @@
use crate::*;
/// A scene consists of a set of clips to play together.
///
/// ```
/// let scene: tek_device::Scene = Default::default();
/// let _ = scene.pulses();
/// let _ = scene.is_playing(&[]);
/// ```
#[derive(Debug, Default)] pub struct Scene {
/// Name of scene
pub name: Arc<str>,
/// Identifying color of scene
pub color: ItemTheme,
/// Clips in scene, one per track
pub clips: Vec<Option<Arc<RwLock<MidiClip>>>>,
}
def_sizes_iter!(ScenesSizes => Scene);
impl<T: Has<Vec<Scene>> + Send + Sync> HasScenes for T {}
@ -143,16 +159,6 @@ pub trait ScenesView:
}
}
#[derive(Debug, Default)]
pub struct Scene {
/// Name of scene
pub name: Arc<str>,
/// Identifying color of scene
pub color: ItemTheme,
/// Clips in scene, one per track
pub clips: Vec<Option<Arc<RwLock<MidiClip>>>>,
}
impl Scene {
/// Returns the pulse length of the longest clip in the scene
pub fn pulses (&self) -> usize {

4
device/sequencer.rs
View file

@ -416,7 +416,7 @@ pub trait MidiViewer: Measured<TuiOut> + MidiRange + MidiPoint + Debug + Send +
let time_zoom = self.time_zoom().get();
let time_area = time_axis * time_zoom;
if time_area > time_len {
let next_time_zoom = NoteDuration::prev(time_zoom);
let next_time_zoom = note_duration_prev(time_zoom);
if next_time_zoom <= 1 {
break
}
@ -427,7 +427,7 @@ pub trait MidiViewer: Measured<TuiOut> + MidiRange + MidiPoint + Debug + Send +
break
}
} else if time_area < time_len {
let prev_time_zoom = NoteDuration::next(time_zoom);
let prev_time_zoom = note_duration_next(time_zoom);
if prev_time_zoom > 384 {
break
}

32
device/track.rs
View file

@ -1,5 +1,23 @@
use crate::*;
/// A track consists of a sequencer and zero or more devices chained after it.
///
/// ```
/// let track: tek_device::Track = Default::default();
/// ```
#[derive(Debug, Default)] pub struct Track {
/// Name of track
pub name: Arc<str>,
/// Identifying color of track
pub color: ItemTheme,
/// Preferred width of track column
pub width: usize,
/// MIDI sequencer state
pub sequencer: Sequencer,
/// Device chain
pub devices: Vec<Device>,
}
def_sizes_iter!(TracksSizes => Track);
impl<T: Has<Vec<Track>> + Send + Sync> HasTracks for T {}
@ -72,20 +90,6 @@ impl<T: MaybeHas<Track>> HasTrack for T {
}
}
#[derive(Debug, Default)]
pub struct Track {
/// Name of track
pub name: Arc<str>,
/// Identifying color of track
pub color: ItemTheme,
/// Preferred width of track column
pub width: usize,
/// MIDI sequencer state
pub sequencer: Sequencer,
/// Device chain
pub devices: Vec<Device>,
}
has!(Clock: |self: Track|self.sequencer.clock);
has!(Sequencer: |self: Track|self.sequencer);
impl Track {

1
device/vst3.rs
View file

@ -0,0 +1 @@
struct Vst3; // TODO

149
engine/engine.rs
View file

@ -1,74 +1,115 @@
mod engine_deps; pub use self::engine_deps::*;
mod time; pub use self::time::*;
mod note; pub use self::note::*;
mod jack; pub use self::jack::*;
mod midi; pub use self::midi::*;
pub extern crate jack;
pub extern crate midly;
pub extern crate tengri;
mod engine_structs; pub use self::engine_structs::*;
mod engine_traits; pub use self::engine_traits::*;
mod engine_impls;
mod jack_structs; pub use self::jack_structs::*;
mod jack_traits; pub use self::jack_traits::*;
mod jack_types; pub use self::jack_types::*;
mod jack_impls;
pub(crate) use ::{
tengri::{Usually, from, output::PerfModel},
atomic_float::AtomicF64,
std::{
fmt::Debug, ops::{Add, Sub, Mul, Div, Rem},
sync::{Arc, RwLock, atomic::{AtomicBool, AtomicUsize, Ordering::Relaxed}},
},
};
pub use ::{
jack::{*, contrib::{*, ClosureProcessHandler}},
midly::{Smf, TrackEventKind, MidiMessage, Error as MidiError, num::*, live::*,}
};
//pub trait MaybeHas<T>: Send + Sync {
//fn get (&self) -> Option<&T>;
//}
pub const DEFAULT_PPQ: f64 = 96.0;
//impl<T, U: Has<Option<T>>> MaybeHas<T> for U {
//fn get (&self) -> Option<&T> {
//Has::<Option<T>>::get(self).as_ref()
//}
//}
/// FIXME: remove this and use PPQ from timebase everywhere:
pub const PPQ: usize = 96;
pub trait HasN<T>: Send + Sync {
fn get_nth (&self, key: usize) -> &T;
fn get_nth_mut (&mut self, key: usize) -> &mut T;
/// (pulses, name), assuming 96 PPQ
pub const NOTE_DURATIONS: [(usize, &str);26] = [
(1, "1/384"), (2, "1/192"),
(3, "1/128"), (4, "1/96"),
(6, "1/64"), (8, "1/48"),
(12, "1/32"), (16, "1/24"),
(24, "1/16"), (32, "1/12"),
(48, "1/8"), (64, "1/6"),
(96, "1/4"), (128, "1/3"),
(192, "1/2"), (256, "2/3"),
(384, "1/1"), (512, "4/3"),
(576, "3/2"), (768, "2/1"),
(1152, "3/1"), (1536, "4/1"),
(2304, "6/1"), (3072, "8/1"),
(3456, "9/1"), (6144, "16/1"),
];
pub const NOTE_NAMES: [&str; 128] = [
"C0", "C#0", "D0", "D#0", "E0", "F0", "F#0", "G0", "G#0", "A0", "A#0", "B0",
"C1", "C#1", "D1", "D#1", "E1", "F1", "F#1", "G1", "G#1", "A1", "A#1", "B1",
"C2", "C#2", "D2", "D#2", "E2", "F2", "F#2", "G2", "G#2", "A2", "A#2", "B2",
"C3", "C#3", "D3", "D#3", "E3", "F3", "F#3", "G3", "G#3", "A3", "A#3", "B3",
"C4", "C#4", "D4", "D#4", "E4", "F4", "F#4", "G4", "G#4", "A4", "A#4", "B4",
"C5", "C#5", "D5", "D#5", "E5", "F5", "F#5", "G5", "G#5", "A5", "A#5", "B5",
"C6", "C#6", "D6", "D#6", "E6", "F6", "F#6", "G6", "G#6", "A6", "A#6", "B6",
"C7", "C#7", "D7", "D#7", "E7", "F7", "F#7", "G7", "G#7", "A7", "A#7", "B7",
"C8", "C#8", "D8", "D#8", "E8", "F8", "F#8", "G8", "G#8", "A8", "A#8", "B8",
"C9", "C#9", "D9", "D#9", "E9", "F9", "F#9", "G9", "G#9", "A9", "A#9", "B9",
"C10", "C#10", "D10", "D#10", "E10", "F10", "F#10", "G10",
];
/// Return boxed iterator of MIDI events
pub fn parse_midi_input <'a> (input: ::jack::MidiIter<'a>)
-> Box<dyn Iterator<Item=(usize, LiveEvent<'a>, &'a [u8])> + 'a>
{
Box::new(input.map(|::jack::RawMidi { time, bytes }|(
time as usize,
LiveEvent::parse(bytes).unwrap(),
bytes
)))
}
pub trait Gettable<T> {
/// Returns current value
fn get (&self) -> T;
/// Add "all notes off" to the start of a buffer.
pub fn all_notes_off (output: &mut [Vec<Vec<u8>>]) {
let mut buf = vec![];
let msg = MidiMessage::Controller { controller: 123.into(), value: 0.into() };
let evt = LiveEvent::Midi { channel: 0.into(), message: msg };
evt.write(&mut buf).unwrap();
output[0].push(buf);
}
pub trait Mutable<T>: Gettable<T> {
/// Sets new value, returns old
fn set (&mut self, value: T) -> T;
/// Update notes_in array
pub fn update_keys (keys: &mut[bool;128], message: &MidiMessage) {
match message {
MidiMessage::NoteOn { key, .. } => { keys[key.as_int() as usize] = true; }
MidiMessage::NoteOff { key, .. } => { keys[key.as_int() as usize] = false; },
_ => {}
}
}
pub trait InteriorMutable<T>: Gettable<T> {
/// Sets new value, returns old
fn set (&self, value: T) -> T;
/// Returns the next shorter length
pub fn note_duration_prev (pulses: usize) -> usize {
for (length, _) in NOTE_DURATIONS.iter().rev() { if *length < pulses { return *length } }
pulses
}
impl Gettable<bool> for AtomicBool {
fn get (&self) -> bool { self.load(Relaxed) }
/// Returns the next longer length
pub fn note_duration_next (pulses: usize) -> usize {
for (length, _) in NOTE_DURATIONS.iter() { if *length > pulses { return *length } }
pulses
}
impl InteriorMutable<bool> for AtomicBool {
fn set (&self, value: bool) -> bool { self.swap(value, Relaxed) }
pub fn note_duration_to_name (pulses: usize) -> &'static str {
for (length, name) in NOTE_DURATIONS.iter() { if *length == pulses { return name } }
""
}
impl Gettable<usize> for AtomicUsize {
fn get (&self) -> usize { self.load(Relaxed) }
pub fn note_pitch_to_name (n: usize) -> &'static str {
if n > 127 {
panic!("to_note_name({n}): must be 0-127");
}
NOTE_NAMES[n]
}
impl InteriorMutable<usize> for AtomicUsize {
fn set (&self, value: usize) -> usize { self.swap(value, Relaxed) }
}
#[cfg(test)] #[test] fn test_time () -> Usually<()> {
// TODO!
Ok(())
}
#[cfg(test)] #[test] fn test_midi_range () {
let model = MidiRangeModel::from((1, false));
let _ = model.get_time_len();
let _ = model.get_time_zoom();
let _ = model.get_time_lock();
let _ = model.get_time_start();
let _ = model.get_time_axis();
let _ = model.get_time_end();
let _ = model.get_note_lo();
let _ = model.get_note_axis();
let _ = model.get_note_hi();
}
//macro_rules! impl_port {
//($Name:ident : $Spec:ident -> $Pair:ident |$jack:ident, $name:ident|$port:expr) => {

11
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@ -1,11 +0,0 @@
pub use ::tengri;
pub(crate) use ::{
tengri::{Usually, from},
atomic_float::AtomicF64,
std::{
cmp::Ord,
fmt::Debug,
ops::{Add, Sub, Mul, Div, Rem},
sync::{Arc, RwLock, atomic::{AtomicBool, AtomicUsize, Ordering::Relaxed}},
},
};

363
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use crate::*;
impl Gettable<bool> for AtomicBool {
fn get (&self) -> bool {
self.load(Relaxed)
}
}
impl InteriorMutable<bool> for AtomicBool {
fn set (&self, value: bool) -> bool {
self.swap(value, Relaxed)
}
}
impl Gettable<usize> for AtomicUsize {
fn get (&self) -> usize {
self.load(Relaxed)
}
}
impl InteriorMutable<usize> for AtomicUsize {
fn set (&self, value: usize) -> usize {
self.swap(value, Relaxed)
}
}
//impl<T, U: Has<Option<T>>> MaybeHas<T> for U {
//fn get (&self) -> Option<&T> {
//Has::<Option<T>>::get(self).as_ref()
//}
//}
impl Default for MidiCursor {
fn default () -> Self {
Self {
time_pos: Arc::new(0.into()),
note_pos: Arc::new(36.into()),
note_len: Arc::new(24.into()),
}
}
}
impl NotePoint for MidiCursor {
fn note_len (&self) -> &AtomicUsize {
&self.note_len
}
fn note_pos (&self) -> &AtomicUsize {
&self.note_pos
}
}
impl TimePoint for MidiCursor {
fn time_pos (&self) -> &AtomicUsize {
self.time_pos.as_ref()
}
}
impl<T: NotePoint + TimePoint> MidiPoint for T {}
from!(MidiSelection: |data:(usize, bool)| Self {
time_len: Arc::new(0.into()),
note_axis: Arc::new(0.into()),
note_lo: Arc::new(0.into()),
time_axis: Arc::new(0.into()),
time_start: Arc::new(0.into()),
time_zoom: Arc::new(data.0.into()),
time_lock: Arc::new(data.1.into()),
});
impl<T: TimeRange + NoteRange> MidiRange for T {}
impl TimeRange for MidiSelection {
fn time_len (&self) -> &AtomicUsize { &self.time_len }
fn time_zoom (&self) -> &AtomicUsize { &self.time_zoom }
fn time_lock (&self) -> &AtomicBool { &self.time_lock }
fn time_start (&self) -> &AtomicUsize { &self.time_start }
fn time_axis (&self) -> &AtomicUsize { &self.time_axis }
}
impl NoteRange for MidiSelection {
fn note_lo (&self) -> &AtomicUsize { &self.note_lo }
fn note_axis (&self) -> &AtomicUsize { &self.note_axis }
}
impl Moment {
pub fn zero (timebase: &Arc<Timebase>) -> Self {
Self { usec: 0.into(), sample: 0.into(), pulse: 0.into(), timebase: timebase.clone() }
}
pub fn from_usec (timebase: &Arc<Timebase>, usec: f64) -> Self {
Self {
usec: usec.into(),
sample: timebase.sr.usecs_to_sample(usec).into(),
pulse: timebase.usecs_to_pulse(usec).into(),
timebase: timebase.clone(),
}
}
pub fn from_sample (timebase: &Arc<Timebase>, sample: f64) -> Self {
Self {
sample: sample.into(),
usec: timebase.sr.samples_to_usec(sample).into(),
pulse: timebase.samples_to_pulse(sample).into(),
timebase: timebase.clone(),
}
}
pub fn from_pulse (timebase: &Arc<Timebase>, pulse: f64) -> Self {
Self {
pulse: pulse.into(),
sample: timebase.pulses_to_sample(pulse).into(),
usec: timebase.pulses_to_usec(pulse).into(),
timebase: timebase.clone(),
}
}
#[inline] pub fn update_from_usec (&self, usec: f64) {
self.usec.set(usec);
self.pulse.set(self.timebase.usecs_to_pulse(usec));
self.sample.set(self.timebase.sr.usecs_to_sample(usec));
}
#[inline] pub fn update_from_sample (&self, sample: f64) {
self.usec.set(self.timebase.sr.samples_to_usec(sample));
self.pulse.set(self.timebase.samples_to_pulse(sample));
self.sample.set(sample);
}
#[inline] pub fn update_from_pulse (&self, pulse: f64) {
self.usec.set(self.timebase.pulses_to_usec(pulse));
self.pulse.set(pulse);
self.sample.set(self.timebase.pulses_to_sample(pulse));
}
#[inline] pub fn format_beat (&self) -> Arc<str> {
self.timebase.format_beats_1(self.pulse.get()).into()
}
}
impl LaunchSync {
pub fn next (&self) -> f64 {
note_duration_next(self.get() as usize) as f64
}
pub fn prev (&self) -> f64 {
note_duration_prev(self.get() as usize) as f64
}
}
impl Quantize {
pub fn next (&self) -> f64 {
note_duration_next(self.get() as usize) as f64
}
pub fn prev (&self) -> f64 {
note_duration_prev(self.get() as usize) as f64
}
}
impl Iterator for TicksIterator {
type Item = (usize, usize);
fn next (&mut self) -> Option<Self::Item> {
loop {
if self.sample > self.end { return None }
let spp = self.spp;
let sample = self.sample as f64;
let start = self.start;
let end = self.end;
self.sample += 1;
//println!("{spp} {sample} {start} {end}");
let jitter = sample.rem_euclid(spp); // ramps
let next_jitter = (sample + 1.0).rem_euclid(spp);
if jitter > next_jitter { // at crossing:
let time = (sample as usize) % (end as usize-start as usize);
let tick = (sample / spp) as usize;
return Some((time, tick))
}
}
}
}
impl Timebase {
/// Specify sample rate, BPM and PPQ
pub fn new (
s: impl Into<SampleRate>,
b: impl Into<BeatsPerMinute>,
p: impl Into<PulsesPerQuaver>
) -> Self {
Self { sr: s.into(), bpm: b.into(), ppq: p.into() }
}
/// Iterate over ticks between start and end.
#[inline] pub fn pulses_between_samples (&self, start: usize, end: usize) -> TicksIterator {
TicksIterator { spp: self.samples_per_pulse(), sample: start, start, end }
}
/// Return the duration fo a beat in microseconds
#[inline] pub fn usec_per_beat (&self) -> f64 { 60_000_000f64 / self.bpm.get() }
/// Return the number of beats in a second
#[inline] pub fn beat_per_second (&self) -> f64 { self.bpm.get() / 60f64 }
/// Return the number of microseconds corresponding to a note of the given duration
#[inline] pub fn note_to_usec (&self, (num, den): (f64, f64)) -> f64 {
4.0 * self.usec_per_beat() * num / den
}
/// Return duration of a pulse in microseconds (BPM-dependent)
#[inline] pub fn pulse_per_usec (&self) -> f64 { self.ppq.get() / self.usec_per_beat() }
/// Return duration of a pulse in microseconds (BPM-dependent)
#[inline] pub fn usec_per_pulse (&self) -> f64 { self.usec_per_beat() / self.ppq.get() }
/// Return number of pulses to which a number of microseconds corresponds (BPM-dependent)
#[inline] pub fn usecs_to_pulse (&self, usec: f64) -> f64 { usec * self.pulse_per_usec() }
/// Convert a number of pulses to a sample number (SR- and BPM-dependent)
#[inline] pub fn pulses_to_usec (&self, pulse: f64) -> f64 { pulse / self.usec_per_pulse() }
/// Return number of pulses in a second (BPM-dependent)
#[inline] pub fn pulses_per_second (&self) -> f64 { self.beat_per_second() * self.ppq.get() }
/// Return fraction of a pulse to which a sample corresponds (SR- and BPM-dependent)
#[inline] pub fn pulses_per_sample (&self) -> f64 {
self.usec_per_pulse() / self.sr.usec_per_sample()
}
/// Return number of samples in a pulse (SR- and BPM-dependent)
#[inline] pub fn samples_per_pulse (&self) -> f64 {
self.sr.get() / self.pulses_per_second()
}
/// Convert a number of pulses to a sample number (SR- and BPM-dependent)
#[inline] pub fn pulses_to_sample (&self, p: f64) -> f64 {
self.pulses_per_sample() * p
}
/// Convert a number of samples to a pulse number (SR- and BPM-dependent)
#[inline] pub fn samples_to_pulse (&self, s: f64) -> f64 {
s / self.pulses_per_sample()
}
/// Return the number of samples corresponding to a note of the given duration
#[inline] pub fn note_to_samples (&self, note: (f64, f64)) -> f64 {
self.usec_to_sample(self.note_to_usec(note))
}
/// Return the number of samples corresponding to the given number of microseconds
#[inline] pub fn usec_to_sample (&self, usec: f64) -> f64 {
usec * self.sr.get() / 1000f64
}
/// Return the quantized position of a moment in time given a step
#[inline] pub fn quantize (&self, step: (f64, f64), time: f64) -> (f64, f64) {
let step = self.note_to_usec(step);
(time / step, time % step)
}
/// Quantize a collection of events
#[inline] pub fn quantize_into <E: Iterator<Item=(f64, f64)> + Sized, T> (
&self, step: (f64, f64), events: E
) -> Vec<(f64, f64)> {
events.map(|(time, event)|(self.quantize(step, time).0, event)).collect()
}
/// Format a number of pulses into Beat.Bar.Pulse starting from 0
#[inline] pub fn format_beats_0 (&self, pulse: f64) -> Arc<str> {
let pulse = pulse as usize;
let ppq = self.ppq.get() as usize;
let (beats, pulses) = if ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
format!("{}.{}.{pulses:02}", beats / 4, beats % 4).into()
}
/// Format a number of pulses into Beat.Bar starting from 0
#[inline] pub fn format_beats_0_short (&self, pulse: f64) -> Arc<str> {
let pulse = pulse as usize;
let ppq = self.ppq.get() as usize;
let beats = if ppq > 0 { pulse / ppq } else { 0 };
format!("{}.{}", beats / 4, beats % 4).into()
}
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
#[inline] pub fn format_beats_1 (&self, pulse: f64) -> Arc<str> {
let mut string = String::with_capacity(16);
self.format_beats_1_to(&mut string, pulse).expect("failed to format {pulse} into beat");
string.into()
}
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
#[inline] pub fn format_beats_1_to (&self, w: &mut impl std::fmt::Write, pulse: f64) -> Result<(), std::fmt::Error> {
let pulse = pulse as usize;
let ppq = self.ppq.get() as usize;
let (beats, pulses) = if ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
write!(w, "{}.{}.{pulses:02}", beats / 4 + 1, beats % 4 + 1)
}
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
#[inline] pub fn format_beats_1_short (&self, pulse: f64) -> Arc<str> {
let pulse = pulse as usize;
let ppq = self.ppq.get() as usize;
let beats = if ppq > 0 { pulse / ppq } else { 0 };
format!("{}.{}", beats / 4 + 1, beats % 4 + 1).into()
}
}
impl Default for Timebase {
fn default () -> Self { Self::new(48000f64, 150f64, DEFAULT_PPQ) }
}
impl SampleRate {
/// Return the duration of a sample in microseconds (floating)
#[inline] pub fn usec_per_sample (&self) -> f64 {
1_000_000f64 / self.get()
}
/// Return the duration of a sample in microseconds (floating)
#[inline] pub fn sample_per_usec (&self) -> f64 {
self.get() / 1_000_000f64
}
/// Convert a number of samples to microseconds (floating)
#[inline] pub fn samples_to_usec (&self, samples: f64) -> f64 {
self.usec_per_sample() * samples
}
/// Convert a number of microseconds to samples (floating)
#[inline] pub fn usecs_to_sample (&self, usecs: f64) -> f64 {
self.sample_per_usec() * usecs
}
}
impl Microsecond {
#[inline] pub fn format_msu (&self) -> Arc<str> {
let usecs = self.get() as usize;
let (seconds, msecs) = (usecs / 1000000, usecs / 1000 % 1000);
let (minutes, seconds) = (seconds / 60, seconds % 60);
format!("{minutes}:{seconds:02}:{msecs:03}").into()
}
}
/// Implement an arithmetic operation for a unit of time
#[macro_export] macro_rules! impl_op {
($T:ident, $Op:ident, $method:ident, |$a:ident,$b:ident|{$impl:expr}) => {
impl $Op<Self> for $T {
type Output = Self; #[inline] fn $method (self, other: Self) -> Self::Output {
let $a = self.get(); let $b = other.get(); Self($impl.into())
}
}
impl $Op<usize> for $T {
type Output = Self; #[inline] fn $method (self, other: usize) -> Self::Output {
let $a = self.get(); let $b = other as f64; Self($impl.into())
}
}
impl $Op<f64> for $T {
type Output = Self; #[inline] fn $method (self, other: f64) -> Self::Output {
let $a = self.get(); let $b = other; Self($impl.into())
}
}
}
}
/// Define and implement a unit of time
#[macro_export] macro_rules! impl_time_unit {
($T:ident) => {
impl Gettable<f64> for $T {
fn get (&self) -> f64 { self.0.load(Relaxed) }
}
impl InteriorMutable<f64> for $T {
fn set (&self, value: f64) -> f64 {
let old = self.get();
self.0.store(value, Relaxed);
old
}
}
impl TimeUnit for $T {}
impl_op!($T, Add, add, |a, b|{a + b});
impl_op!($T, Sub, sub, |a, b|{a - b});
impl_op!($T, Mul, mul, |a, b|{a * b});
impl_op!($T, Div, div, |a, b|{a / b});
impl_op!($T, Rem, rem, |a, b|{a % b});
impl From<f64> for $T { fn from (value: f64) -> Self { Self(value.into()) } }
impl From<usize> for $T { fn from (value: usize) -> Self { Self((value as f64).into()) } }
impl From<$T> for f64 { fn from (value: $T) -> Self { value.get() } }
impl From<$T> for usize { fn from (value: $T) -> Self { value.get() as usize } }
impl From<&$T> for f64 { fn from (value: &$T) -> Self { value.get() } }
impl From<&$T> for usize { fn from (value: &$T) -> Self { value.get() as usize } }
impl Clone for $T { fn clone (&self) -> Self { Self(self.get().into()) } }
}
}
impl_time_unit!(SampleCount);
impl_time_unit!(SampleRate);
impl_time_unit!(Microsecond);
impl_time_unit!(Quantize);
impl_time_unit!(PulsesPerQuaver);
impl_time_unit!(Pulse);
impl_time_unit!(BeatsPerMinute);
impl_time_unit!(LaunchSync);

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use crate::*;
/// Temporal resolutions: sample rate, tempo, MIDI pulses per quaver (beat)
///
/// ```
///
/// ```
#[derive(Debug, Clone)] pub struct Timebase {
/// Audio samples per second
pub sr: SampleRate,
/// MIDI beats per minute
pub bpm: BeatsPerMinute,
/// MIDI ticks per beat
pub ppq: PulsesPerQuaver,
}
/// Iterator that emits subsequent ticks within a range.
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct TicksIterator {
pub spp: f64,
pub sample: usize,
pub start: usize,
pub end: usize,
}
///
/// ```
/// let model = MidiSelection::from((1, false));
///
/// let _ = model.get_time_len();
/// let _ = model.get_time_zoom();
/// let _ = model.get_time_lock();
/// let _ = model.get_time_start();
/// let _ = model.get_time_axis();
/// let _ = model.get_time_end();
///
/// let _ = model.get_note_lo();
/// let _ = model.get_note_axis();
/// let _ = model.get_note_hi();
/// ```
#[derive(Debug, Clone)] pub struct MidiCursor {
/// Time coordinate of cursor
pub time_pos: Arc<AtomicUsize>,
/// Note coordinate of cursor
pub note_pos: Arc<AtomicUsize>,
/// Length of note that will be inserted, in pulses
pub note_len: Arc<AtomicUsize>,
}
///
/// ```
///
/// ```
#[derive(Debug, Clone, Default)] pub struct MidiSelection {
pub time_len: Arc<AtomicUsize>,
/// Length of visible time axis
pub time_axis: Arc<AtomicUsize>,
/// Earliest time displayed
pub time_start: Arc<AtomicUsize>,
/// Time step
pub time_zoom: Arc<AtomicUsize>,
/// Auto rezoom to fit in time axis
pub time_lock: Arc<AtomicBool>,
/// Length of visible note axis
pub note_axis: Arc<AtomicUsize>,
// Lowest note displayed
pub note_lo: Arc<AtomicUsize>,
}
/// A point in time in all time scales (microsecond, sample, MIDI pulse)
///
/// ```
///
/// ```
#[derive(Debug, Default, Clone)]
pub struct Moment {
pub timebase: Arc<Timebase>,
/// Current time in microseconds
pub usec: Microsecond,
/// Current time in audio samples
pub sample: SampleCount,
/// Current time in MIDI pulses
pub pulse: Pulse,
}
///
/// ```
///
/// ```
#[derive(Debug, Clone, Default)]
pub enum Moment2 {
#[default] None,
Zero,
Usec(Microsecond),
Sample(SampleCount),
Pulse(Pulse),
}
/// MIDI resolution in PPQ (pulses per quarter note)
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct PulsesPerQuaver (pub(crate) AtomicF64);
/// Timestamp in MIDI pulses
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct Pulse (pub(crate) AtomicF64);
/// Tempo in beats per minute
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct BeatsPerMinute (pub(crate) AtomicF64);
/// Quantization setting for launching clips
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct LaunchSync (pub(crate) AtomicF64);
/// Quantization setting for notes
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct Quantize (pub(crate) AtomicF64);
/// Timestamp in audio samples
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct SampleCount (pub(crate) AtomicF64);
/// Audio sample rate in Hz (samples per second)
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct SampleRate (pub(crate) AtomicF64);
/// Timestamp in microseconds
///
/// ```
///
/// ```
#[derive(Debug, Default)] pub struct Microsecond (pub(crate) AtomicF64);

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use crate::*;
use std::sync::atomic::Ordering;
//pub trait MaybeHas<T>: Send + Sync {
//fn get (&self) -> Option<&T>;
//}
pub trait HasN<T>: Send + Sync {
fn get_nth (&self, key: usize) -> &T;
fn get_nth_mut (&mut self, key: usize) -> &mut T;
}
pub trait Gettable<T> {
/// Returns current value
fn get (&self) -> T;
}
pub trait Mutable<T>: Gettable<T> {
/// Sets new value, returns old
fn set (&mut self, value: T) -> T;
}
pub trait InteriorMutable<T>: Gettable<T> {
/// Sets new value, returns old
fn set (&self, value: T) -> T;
}
pub trait NotePoint {
fn note_len (&self) -> &AtomicUsize;
/// Get the current length of the note cursor.
fn get_note_len (&self) -> usize {
self.note_len().load(Relaxed)
}
/// Set the length of the note cursor, returning the previous value.
fn set_note_len (&self, x: usize) -> usize {
self.note_len().swap(x, Relaxed)
}
fn note_pos (&self) -> &AtomicUsize;
/// Get the current pitch of the note cursor.
fn get_note_pos (&self) -> usize {
self.note_pos().load(Relaxed).min(127)
}
/// Set the current pitch fo the note cursor, returning the previous value.
fn set_note_pos (&self, x: usize) -> usize {
self.note_pos().swap(x.min(127), Relaxed)
}
}
pub trait TimePoint {
fn time_pos (&self) -> &AtomicUsize;
/// Get the current time position of the note cursor.
fn get_time_pos (&self) -> usize {
self.time_pos().load(Relaxed)
}
/// Set the current time position of the note cursor, returning the previous value.
fn set_time_pos (&self, x: usize) -> usize {
self.time_pos().swap(x, Relaxed)
}
}
pub trait MidiPoint: NotePoint + TimePoint {
/// Get the current end of the note cursor.
fn get_note_end (&self) -> usize {
self.get_time_pos() + self.get_note_len()
}
}
pub trait TimeRange {
fn time_len (&self) -> &AtomicUsize;
fn get_time_len (&self) -> usize {
self.time_len().load(Ordering::Relaxed)
}
fn time_zoom (&self) -> &AtomicUsize;
fn get_time_zoom (&self) -> usize {
self.time_zoom().load(Ordering::Relaxed)
}
fn set_time_zoom (&self, value: usize) -> usize {
self.time_zoom().swap(value, Ordering::Relaxed)
}
fn time_lock (&self) -> &AtomicBool;
fn get_time_lock (&self) -> bool {
self.time_lock().load(Ordering::Relaxed)
}
fn set_time_lock (&self, value: bool) -> bool {
self.time_lock().swap(value, Ordering::Relaxed)
}
fn time_start (&self) -> &AtomicUsize;
fn get_time_start (&self) -> usize {
self.time_start().load(Ordering::Relaxed)
}
fn set_time_start (&self, value: usize) -> usize {
self.time_start().swap(value, Ordering::Relaxed)
}
fn time_axis (&self) -> &AtomicUsize;
fn get_time_axis (&self) -> usize {
self.time_axis().load(Ordering::Relaxed)
}
fn get_time_end (&self) -> usize {
self.time_start().get() + self.time_axis().get() * self.time_zoom().get()
}
}
pub trait NoteRange {
fn note_lo (&self) -> &AtomicUsize;
fn get_note_lo (&self) -> usize {
self.note_lo().load(Ordering::Relaxed)
}
fn set_note_lo (&self, x: usize) -> usize {
self.note_lo().swap(x, Ordering::Relaxed)
}
fn note_axis (&self) -> &AtomicUsize;
fn get_note_axis (&self) -> usize {
self.note_axis().load(Ordering::Relaxed)
}
fn get_note_hi (&self) -> usize {
(self.note_lo().get() + self.note_axis().get().saturating_sub(1)).min(127)
}
}
pub trait MidiRange: TimeRange + NoteRange {}
/// A unit of time, represented as an atomic 64-bit float.
///
/// According to https://stackoverflow.com/a/873367, as per IEEE754,
/// every integer between 1 and 2^53 can be represented exactly.
/// This should mean that, even at 192kHz sampling rate, over 1 year of audio
/// can be clocked in microseconds with f64 without losing precision.
pub trait TimeUnit: InteriorMutable<f64> {}

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use crate::*;
pub use ::jack::{*, contrib::{*, ClosureProcessHandler}};
/// Wraps [JackState] and through it [jack::Client] when connected.
#[derive(Clone, Debug, Default)]
pub struct Jack<'j>(Arc<RwLock<JackState<'j>>>);
/// Implement [Jack] constructor and methods
impl<'j> Jack<'j> {
/// Register new [Client] and wrap it for shared use.
pub fn new_run <T: HasJack<'j> + Audio + Send + Sync + 'static> (
name: &impl AsRef<str>,
init: impl FnOnce(Jack<'j>)->Usually<T>
) -> Usually<Arc<RwLock<T>>> {
Jack::new(name)?.run(init)
}
pub fn new (name: &impl AsRef<str>) -> Usually<Self> {
let client = Client::new(name.as_ref(), ClientOptions::NO_START_SERVER)?.0;
Ok(Jack(Arc::new(RwLock::new(JackState::Inactive(client)))))
}
pub fn run <T: HasJack<'j> + Audio + Send + Sync + 'static>
(self, init: impl FnOnce(Self)->Usually<T>) -> Usually<Arc<RwLock<T>>>
{
let client_state = self.0.clone();
let app: Arc<RwLock<T>> = Arc::new(RwLock::new(init(self)?));
let mut state = Activating;
std::mem::swap(&mut*client_state.write().unwrap(), &mut state);
if let Inactive(client) = state {
let client = client.activate_async(
// This is the misc notifications handler. It's a struct that wraps a [Box]
// which performs type erasure on a callback that takes [JackEvent], which is
// one of the available misc notifications.
Notifications(Box::new({
let app = app.clone();
move|event|(&mut*app.write().unwrap()).handle(event)
}) as BoxedJackEventHandler),
// This is the main processing handler. It's a struct that wraps a [Box]
// which performs type erasure on a callback that takes [Client] and [ProcessScope]
// and passes them down to the `app`'s `process` callback, which in turn
// implements audio and MIDI input and output on a realtime basis.
ClosureProcessHandler::new(Box::new({
let app = app.clone();
move|c: &_, s: &_|if let Ok(mut app) = app.write() {
app.process(c, s)
} else {
Control::Quit
}
}) as BoxedAudioHandler),
)?;
*client_state.write().unwrap() = Active(client);
} else {
unreachable!();
}
Ok(app)
}
/// Run something with the client.
pub fn with_client <T> (&self, op: impl FnOnce(&Client)->T) -> T {
match &*self.0.read().unwrap() {
Inert => panic!("jack client not activated"),
Inactive(client) => op(client),
Activating => panic!("jack client has not finished activation"),
Active(client) => op(client.as_client()),
}
}
}
impl<'j> HasJack<'j> for Jack<'j> {
fn jack (&self) -> &Jack<'j> {
self
}
}
impl<'j> HasJack<'j> for &Jack<'j> {
fn jack (&self) -> &Jack<'j> {
self
}
}
/// This is a connection which may be [Inactive], [Activating], or [Active].
/// In the [Active] and [Inactive] states, [JackState::client] returns a
/// [jack::Client], which you can use to talk to the JACK API.
#[derive(Debug, Default)]
pub enum JackState<'j> {
/// Unused
#[default] Inert,
/// Before activation.
Inactive(Client),
/// During activation.
Activating,
/// After activation. Must not be dropped for JACK thread to persist.
Active(DynamicAsyncClient<'j>),
}
/// Things that can provide a [jack::Client] reference.
pub trait HasJack<'j>: Send + Sync {
/// Return the internal [jack::Client] handle
/// that lets you call the JACK API.
fn jack (&self) -> &Jack<'j>;
fn with_client <T> (&self, op: impl FnOnce(&Client)->T) -> T {
self.jack().with_client(op)
}
fn port_by_name (&self, name: &str) -> Option<Port<Unowned>> {
self.with_client(|client|client.port_by_name(name))
}
fn port_by_id (&self, id: u32) -> Option<Port<Unowned>> {
self.with_client(|c|c.port_by_id(id))
}
fn register_port <PS: PortSpec + Default> (&self, name: impl AsRef<str>) -> Usually<Port<PS>> {
self.with_client(|client|Ok(client.register_port(name.as_ref(), PS::default())?))
}
fn sync_lead (&self, enable: bool, callback: impl Fn(TimebaseInfo)->Position) -> Usually<()> {
if enable {
self.with_client(|client|match client.register_timebase_callback(false, callback) {
Ok(_) => Ok(()),
Err(e) => Err(e)
})?
}
Ok(())
}
fn sync_follow (&self, _enable: bool) -> Usually<()> {
// TODO: sync follow
Ok(())
}
}
/// Trait for thing that has a JACK process callback.
pub trait Audio {
/// Handle a JACK event.
fn handle (&mut self, _event: JackEvent) {}
/// Projecss a JACK chunk.
fn process (&mut self, _: &Client, _: &ProcessScope) -> Control {
Control::Continue
}
/// The JACK process callback function passed to the server.
fn callback (
state: &Arc<RwLock<Self>>, client: &Client, scope: &ProcessScope
) -> Control where Self: Sized {
if let Ok(mut state) = state.write() {
state.process(client, scope)
} else {
Control::Quit
}
}
}
/// Implement [Audio]: provide JACK callbacks.
#[macro_export] macro_rules! audio {
(|
$self1:ident:
$Struct:ident$(<$($L:lifetime),*$($T:ident$(:$U:path)?),*>)?,$c:ident,$s:ident
|$cb:expr$(;|$self2:ident,$e:ident|$cb2:expr)?) => {
impl $(<$($L),*$($T $(: $U)?),*>)? Audio for $Struct $(<$($L),*$($T),*>)? {
#[inline] fn process (&mut $self1, $c: &Client, $s: &ProcessScope) -> Control { $cb }
$(#[inline] fn handle (&mut $self2, $e: JackEvent) { $cb2 })?
}
};
($Struct:ident: $process:ident, $handle:ident) => {
impl Audio for $Struct {
#[inline] fn process (&mut self, c: &Client, s: &ProcessScope) -> Control {
$process(self, c, s)
}
#[inline] fn handle (&mut self, e: JackEvent) {
$handle(self, e)
}
}
};
}
/// Event enum for JACK events.
#[derive(Debug, Clone, PartialEq)] pub enum JackEvent {
ThreadInit,
Shutdown(ClientStatus, Arc<str>),
Freewheel(bool),
SampleRate(Frames),
ClientRegistration(Arc<str>, bool),
PortRegistration(PortId, bool),
PortRename(PortId, Arc<str>, Arc<str>),
PortsConnected(PortId, PortId, bool),
GraphReorder,
XRun,
}
/// Generic notification handler that emits [JackEvent]
pub struct Notifications<T: Fn(JackEvent) + Send>(pub T);
impl<T: Fn(JackEvent) + Send> NotificationHandler for Notifications<T> {
fn thread_init(&self, _: &Client) {
self.0(JackEvent::ThreadInit);
}
unsafe fn shutdown(&mut self, status: ClientStatus, reason: &str) {
self.0(JackEvent::Shutdown(status, reason.into()));
}
fn freewheel(&mut self, _: &Client, enabled: bool) {
self.0(JackEvent::Freewheel(enabled));
}
fn sample_rate(&mut self, _: &Client, frames: Frames) -> Control {
self.0(JackEvent::SampleRate(frames));
Control::Quit
}
fn client_registration(&mut self, _: &Client, name: &str, reg: bool) {
self.0(JackEvent::ClientRegistration(name.into(), reg));
}
fn port_registration(&mut self, _: &Client, id: PortId, reg: bool) {
self.0(JackEvent::PortRegistration(id, reg));
}
fn port_rename(&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
self.0(JackEvent::PortRename(id, old.into(), new.into()));
Control::Continue
}
fn ports_connected(&mut self, _: &Client, a: PortId, b: PortId, are: bool) {
self.0(JackEvent::PortsConnected(a, b, are));
}
fn graph_reorder(&mut self, _: &Client) -> Control {
self.0(JackEvent::GraphReorder);
Control::Continue
}
fn xrun(&mut self, _: &Client) -> Control {
self.0(JackEvent::XRun);
Control::Continue
}
}
/// This is a running JACK [AsyncClient] with maximum type erasure.
/// It has one [Box] containing a function that handles [JackEvent]s,
/// and another [Box] containing a function that handles realtime IO,
/// and that's all it knows about them.
pub type DynamicAsyncClient<'j>
= AsyncClient<DynamicNotifications<'j>, DynamicAudioHandler<'j>>;
/// This is the notification handler wrapper for a boxed realtime callback.
pub type DynamicAudioHandler<'j> =
ClosureProcessHandler<(), BoxedAudioHandler<'j>>;
/// This is a boxed realtime callback.
pub type BoxedAudioHandler<'j> =
Box<dyn FnMut(&Client, &ProcessScope) -> Control + Send + Sync + 'j>;
/// This is the notification handler wrapper for a boxed [JackEvent] callback.
pub type DynamicNotifications<'j> =
Notifications<BoxedJackEventHandler<'j>>;
/// This is a boxed [JackEvent] callback.
pub type BoxedJackEventHandler<'j> =
Box<dyn Fn(JackEvent) + Send + Sync + 'j>;
use self::JackState::*;

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use crate::*;
use JackState::*;
/// Implement [Jack] constructor and methods
impl<'j> Jack<'j> {
/// Register new [Client] and wrap it for shared use.
pub fn new_run <T: HasJack<'j> + Audio + Send + Sync + 'static> (
name: &impl AsRef<str>,
init: impl FnOnce(Jack<'j>)->Usually<T>
) -> Usually<Arc<RwLock<T>>> {
Jack::new(name)?.run(init)
}
pub fn new (name: &impl AsRef<str>) -> Usually<Self> {
let client = Client::new(name.as_ref(), ClientOptions::NO_START_SERVER)?.0;
Ok(Jack(Arc::new(RwLock::new(JackState::Inactive(client)))))
}
pub fn run <T: HasJack<'j> + Audio + Send + Sync + 'static>
(self, init: impl FnOnce(Self)->Usually<T>) -> Usually<Arc<RwLock<T>>>
{
let client_state = self.0.clone();
let app: Arc<RwLock<T>> = Arc::new(RwLock::new(init(self)?));
let mut state = Activating;
std::mem::swap(&mut*client_state.write().unwrap(), &mut state);
if let Inactive(client) = state {
// This is the misc notifications handler. It's a struct that wraps a [Box]
// which performs type erasure on a callback that takes [JackEvent], which is
// one of the available misc notifications.
let notify = JackNotify(Box::new({
let app = app.clone();
move|event|(&mut*app.write().unwrap()).handle(event)
}) as BoxedJackEventHandler);
// This is the main processing handler. It's a struct that wraps a [Box]
// which performs type erasure on a callback that takes [Client] and [ProcessScope]
// and passes them down to the `app`'s `process` callback, which in turn
// implements audio and MIDI input and output on a realtime basis.
let process = ClosureProcessHandler::new(Box::new({
let app = app.clone();
move|c: &_, s: &_|if let Ok(mut app) = app.write() {
app.process(c, s)
} else {
Control::Quit
}
}) as BoxedAudioHandler);
// Launch a client with the two handlers.
*client_state.write().unwrap() = Active(
client.activate_async(notify, process)?
);
} else {
unreachable!();
}
Ok(app)
}
/// Run something with the client.
pub fn with_client <T> (&self, op: impl FnOnce(&Client)->T) -> T {
match &*self.0.read().unwrap() {
Inert => panic!("jack client not activated"),
Inactive(client) => op(client),
Activating => panic!("jack client has not finished activation"),
Active(client) => op(client.as_client()),
}
}
}
impl<'j> HasJack<'j> for Jack<'j> {
fn jack (&self) -> &Jack<'j> {
self
}
}
impl<'j> HasJack<'j> for &Jack<'j> {
fn jack (&self) -> &Jack<'j> {
self
}
}
impl<T: Fn(JackEvent) + Send> NotificationHandler for JackNotify<T> {
fn thread_init(&self, _: &Client) {
self.0(JackEvent::ThreadInit);
}
unsafe fn shutdown(&mut self, status: ClientStatus, reason: &str) {
self.0(JackEvent::Shutdown(status, reason.into()));
}
fn freewheel(&mut self, _: &Client, enabled: bool) {
self.0(JackEvent::Freewheel(enabled));
}
fn sample_rate(&mut self, _: &Client, frames: Frames) -> Control {
self.0(JackEvent::SampleRate(frames));
Control::Quit
}
fn client_registration(&mut self, _: &Client, name: &str, reg: bool) {
self.0(JackEvent::ClientRegistration(name.into(), reg));
}
fn port_registration(&mut self, _: &Client, id: PortId, reg: bool) {
self.0(JackEvent::PortRegistration(id, reg));
}
fn port_rename(&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
self.0(JackEvent::PortRename(id, old.into(), new.into()));
Control::Continue
}
fn ports_connected(&mut self, _: &Client, a: PortId, b: PortId, are: bool) {
self.0(JackEvent::PortsConnected(a, b, are));
}
fn graph_reorder(&mut self, _: &Client) -> Control {
self.0(JackEvent::GraphReorder);
Control::Continue
}
fn xrun(&mut self, _: &Client) -> Control {
self.0(JackEvent::XRun);
Control::Continue
}
}
impl JackPerfModel for PerfModel {
fn update_from_jack_scope (&self, t0: Option<u64>, scope: &ProcessScope) {
if let Some(t0) = t0 {
let t1 = self.clock.raw();
self.used.store(
self.clock.delta_as_nanos(t0, t1) as f64,
Relaxed,
);
self.window.store(
scope.cycle_times().unwrap().period_usecs as f64,
Relaxed,
);
}
}
}

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use crate::*;
/// Wraps [JackState], and through it [jack::Client] when connected.
///
/// ```
/// let jack: tek_engine::Jack = Default::default();
/// ```
#[derive(Clone, Debug, Default)]
pub struct Jack<'j> (pub(crate) Arc<RwLock<JackState<'j>>>);
/// This is a connection which may be [Inactive], [Activating], or [Active].
/// In the [Active] and [Inactive] states, [JackState::client] returns a
/// [jack::Client], which you can use to talk to the JACK API.
///
/// ```
/// let state: tek_engine::JackState = Default::default();
/// ```
#[derive(Debug, Default)]
pub enum JackState<'j> {
/// Unused
#[default] Inert,
/// Before activation.
Inactive(Client),
/// During activation.
Activating,
/// After activation. Must not be dropped for JACK thread to persist.
Active(DynamicAsyncClient<'j>),
}
/// Event enum for JACK events.
///
/// ```
/// let event: tek_engine::JackState = JackEvent::XRun;
/// ```
#[derive(Debug, Clone, PartialEq)] pub enum JackEvent {
ThreadInit,
Shutdown(ClientStatus, Arc<str>),
Freewheel(bool),
SampleRate(Frames),
ClientRegistration(Arc<str>, bool),
PortRegistration(PortId, bool),
PortRename(PortId, Arc<str>, Arc<str>),
PortsConnected(PortId, PortId, bool),
GraphReorder,
XRun,
}
/// Generic notification handler that emits [JackEvent]
///
/// ```
/// let notify = tek_engine::JackNotify(|_: JackEvent|{});
/// ```
pub struct JackNotify<T: Fn(JackEvent) + Send>(pub T);

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use crate::*;
/// Things that can provide a [jack::Client] reference.
///
/// ```
/// #[derive(Default)] struct Jacked<'j>(tek_engine::Jack<'j>);
///
/// impl tek_engine::HasJack<'j> for Jacked<'j> {
/// fn jack (&self) -> &Jack<'j> { &self.0 }
/// }
///
/// let jack: &Jack<'j> = Jacked::default().jack();
/// ```
pub trait HasJack<'j>: Send + Sync {
/// Return the internal [jack::Client] handle
/// that lets you call the JACK API.
fn jack (&self) -> &Jack<'j>;
fn with_client <T> (&self, op: impl FnOnce(&Client)->T) -> T {
self.jack().with_client(op)
}
fn port_by_name (&self, name: &str) -> Option<Port<Unowned>> {
self.with_client(|client|client.port_by_name(name))
}
fn port_by_id (&self, id: u32) -> Option<Port<Unowned>> {
self.with_client(|c|c.port_by_id(id))
}
fn register_port <PS: PortSpec + Default> (&self, name: impl AsRef<str>) -> Usually<Port<PS>> {
self.with_client(|client|Ok(client.register_port(name.as_ref(), PS::default())?))
}
fn sync_lead (&self, enable: bool, callback: impl Fn(TimebaseInfo)->Position) -> Usually<()> {
if enable {
self.with_client(|client|match client.register_timebase_callback(false, callback) {
Ok(_) => Ok(()),
Err(e) => Err(e)
})?
}
Ok(())
}
fn sync_follow (&self, _enable: bool) -> Usually<()> {
// TODO: sync follow
Ok(())
}
}
/// Trait for thing that has a JACK process callback.
pub trait Audio {
/// Handle a JACK event.
fn handle (&mut self, _event: JackEvent) {}
/// Projecss a JACK chunk.
fn process (&mut self, _: &Client, _: &ProcessScope) -> Control {
Control::Continue
}
/// The JACK process callback function passed to the server.
fn callback (
state: &Arc<RwLock<Self>>, client: &Client, scope: &ProcessScope
) -> Control where Self: Sized {
if let Ok(mut state) = state.write() {
state.process(client, scope)
} else {
Control::Quit
}
}
}
/// Implement [Audio]: provide JACK callbacks.
#[macro_export] macro_rules! audio {
(|
$self1:ident:
$Struct:ident$(<$($L:lifetime),*$($T:ident$(:$U:path)?),*>)?,$c:ident,$s:ident
|$cb:expr$(;|$self2:ident,$e:ident|$cb2:expr)?) => {
impl $(<$($L),*$($T $(: $U)?),*>)? Audio for $Struct $(<$($L),*$($T),*>)? {
#[inline] fn process (&mut $self1, $c: &Client, $s: &ProcessScope) -> Control { $cb }
$(#[inline] fn handle (&mut $self2, $e: JackEvent) { $cb2 })?
}
};
($Struct:ident: $process:ident, $handle:ident) => {
impl Audio for $Struct {
#[inline] fn process (&mut self, c: &Client, s: &ProcessScope) -> Control {
$process(self, c, s)
}
#[inline] fn handle (&mut self, e: JackEvent) {
$handle(self, e)
}
}
};
}
pub trait JackPerfModel {
fn update_from_jack_scope (&self, t0: Option<u64>, scope: &ProcessScope);
}

27
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use crate::*;
/// Running JACK [AsyncClient] with maximum type erasure.
///
/// One [Box] contains function that handles [JackEvent]s.
///
/// Another [Box] containing a function that handles realtime IO.
///
/// That's all it knows about them.
pub type DynamicAsyncClient<'j>
= AsyncClient<DynamicNotifications<'j>, DynamicAudioHandler<'j>>;
/// Notification handler wrapper for [BoxedAudioHandler].
pub type DynamicAudioHandler<'j> =
ClosureProcessHandler<(), BoxedAudioHandler<'j>>;
/// Boxed realtime callback.
pub type BoxedAudioHandler<'j> =
Box<dyn FnMut(&Client, &ProcessScope) -> Control + Send + Sync + 'j>;
/// Notification handler wrapper for [BoxedJackEventHandler].
pub type DynamicNotifications<'j> =
JackNotify<BoxedJackEventHandler<'j>>;
/// Boxed [JackEvent] callback.
pub type BoxedJackEventHandler<'j> =
Box<dyn Fn(JackEvent) + Send + Sync + 'j>;

35
engine/midi.rs
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@ -1,35 +0,0 @@
pub use ::midly::{
Smf,
TrackEventKind,
MidiMessage,
Error as MidiError,
num::*,
live::*,
};
/// Return boxed iterator of MIDI events
pub fn parse_midi_input <'a> (input: ::jack::MidiIter<'a>) -> Box<dyn Iterator<Item=(usize, LiveEvent<'a>, &'a [u8])> + 'a> {
Box::new(input.map(|::jack::RawMidi { time, bytes }|(
time as usize,
LiveEvent::parse(bytes).unwrap(),
bytes
)))
}
/// Add "all notes off" to the start of a buffer.
pub fn all_notes_off (output: &mut [Vec<Vec<u8>>]) {
let mut buf = vec![];
let msg = MidiMessage::Controller { controller: 123.into(), value: 0.into() };
let evt = LiveEvent::Midi { channel: 0.into(), message: msg };
evt.write(&mut buf).unwrap();
output[0].push(buf);
}
/// Update notes_in array
pub fn update_keys (keys: &mut[bool;128], message: &MidiMessage) {
match message {
MidiMessage::NoteOn { key, .. } => { keys[key.as_int() as usize] = true; }
MidiMessage::NoteOff { key, .. } => { keys[key.as_int() as usize] = false; },
_ => {}
}
}

3
engine/note.rs
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@ -1,3 +0,0 @@
mod note_pitch; pub use self::note_pitch::*;
mod note_point; pub use self::note_point::*;
mod note_range; pub use self::note_range::*;

23
engine/note/note_pitch.rs
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@ -1,23 +0,0 @@
pub struct Note;
impl Note {
pub const NAMES: [&str; 128] = [
"C0", "C#0", "D0", "D#0", "E0", "F0", "F#0", "G0", "G#0", "A0", "A#0", "B0",
"C1", "C#1", "D1", "D#1", "E1", "F1", "F#1", "G1", "G#1", "A1", "A#1", "B1",
"C2", "C#2", "D2", "D#2", "E2", "F2", "F#2", "G2", "G#2", "A2", "A#2", "B2",
"C3", "C#3", "D3", "D#3", "E3", "F3", "F#3", "G3", "G#3", "A3", "A#3", "B3",
"C4", "C#4", "D4", "D#4", "E4", "F4", "F#4", "G4", "G#4", "A4", "A#4", "B4",
"C5", "C#5", "D5", "D#5", "E5", "F5", "F#5", "G5", "G#5", "A5", "A#5", "B5",
"C6", "C#6", "D6", "D#6", "E6", "F6", "F#6", "G6", "G#6", "A6", "A#6", "B6",
"C7", "C#7", "D7", "D#7", "E7", "F7", "F#7", "G7", "G#7", "A7", "A#7", "B7",
"C8", "C#8", "D8", "D#8", "E8", "F8", "F#8", "G8", "G#8", "A8", "A#8", "B8",
"C9", "C#9", "D9", "D#9", "E9", "F9", "F#9", "G9", "G#9", "A9", "A#9", "B9",
"C10", "C#10", "D10", "D#10", "E10", "F10", "F#10", "G10",
];
pub fn pitch_to_name (n: usize) -> &'static str {
if n > 127 {
panic!("to_note_name({n}): must be 0-127");
}
Self::NAMES[n]
}
}

79
engine/note/note_point.rs
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@ -1,79 +0,0 @@
use crate::*;
#[derive(Debug, Clone)]
pub struct MidiPointModel {
/// Time coordinate of cursor
pub time_pos: Arc<AtomicUsize>,
/// Note coordinate of cursor
pub note_pos: Arc<AtomicUsize>,
/// Length of note that will be inserted, in pulses
pub note_len: Arc<AtomicUsize>,
}
impl Default for MidiPointModel {
fn default () -> Self {
Self {
time_pos: Arc::new(0.into()),
note_pos: Arc::new(36.into()),
note_len: Arc::new(24.into()),
}
}
}
impl NotePoint for MidiPointModel {
fn note_len (&self) -> &AtomicUsize {
&self.note_len
}
fn note_pos (&self) -> &AtomicUsize {
&self.note_pos
}
}
impl TimePoint for MidiPointModel {
fn time_pos (&self) -> &AtomicUsize {
self.time_pos.as_ref()
}
}
pub trait NotePoint {
fn note_len (&self) -> &AtomicUsize;
/// Get the current length of the note cursor.
fn get_note_len (&self) -> usize {
self.note_len().load(Relaxed)
}
/// Set the length of the note cursor, returning the previous value.
fn set_note_len (&self, x: usize) -> usize {
self.note_len().swap(x, Relaxed)
}
fn note_pos (&self) -> &AtomicUsize;
/// Get the current pitch of the note cursor.
fn get_note_pos (&self) -> usize {
self.note_pos().load(Relaxed).min(127)
}
/// Set the current pitch fo the note cursor, returning the previous value.
fn set_note_pos (&self, x: usize) -> usize {
self.note_pos().swap(x.min(127), Relaxed)
}
}
pub trait TimePoint {
fn time_pos (&self) -> &AtomicUsize;
/// Get the current time position of the note cursor.
fn get_time_pos (&self) -> usize {
self.time_pos().load(Relaxed)
}
/// Set the current time position of the note cursor, returning the previous value.
fn set_time_pos (&self, x: usize) -> usize {
self.time_pos().swap(x, Relaxed)
}
}
pub trait MidiPoint: NotePoint + TimePoint {
/// Get the current end of the note cursor.
fn get_note_end (&self) -> usize {
self.get_time_pos() + self.get_note_len()
}
}
impl<T: NotePoint + TimePoint> MidiPoint for T {}

98
engine/note/note_range.rs
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@ -1,98 +0,0 @@
use crate::*;
use std::sync::atomic::Ordering;
#[derive(Debug, Clone)]
pub struct MidiRangeModel {
pub time_len: Arc<AtomicUsize>,
/// Length of visible time axis
pub time_axis: Arc<AtomicUsize>,
/// Earliest time displayed
pub time_start: Arc<AtomicUsize>,
/// Time step
pub time_zoom: Arc<AtomicUsize>,
/// Auto rezoom to fit in time axis
pub time_lock: Arc<AtomicBool>,
/// Length of visible note axis
pub note_axis: Arc<AtomicUsize>,
// Lowest note displayed
pub note_lo: Arc<AtomicUsize>,
}
from!(MidiRangeModel: |data:(usize, bool)| Self {
time_len: Arc::new(0.into()),
note_axis: Arc::new(0.into()),
note_lo: Arc::new(0.into()),
time_axis: Arc::new(0.into()),
time_start: Arc::new(0.into()),
time_zoom: Arc::new(data.0.into()),
time_lock: Arc::new(data.1.into()),
});
pub trait TimeRange {
fn time_len (&self) -> &AtomicUsize;
fn get_time_len (&self) -> usize {
self.time_len().load(Ordering::Relaxed)
}
fn time_zoom (&self) -> &AtomicUsize;
fn get_time_zoom (&self) -> usize {
self.time_zoom().load(Ordering::Relaxed)
}
fn set_time_zoom (&self, value: usize) -> usize {
self.time_zoom().swap(value, Ordering::Relaxed)
}
fn time_lock (&self) -> &AtomicBool;
fn get_time_lock (&self) -> bool {
self.time_lock().load(Ordering::Relaxed)
}
fn set_time_lock (&self, value: bool) -> bool {
self.time_lock().swap(value, Ordering::Relaxed)
}
fn time_start (&self) -> &AtomicUsize;
fn get_time_start (&self) -> usize {
self.time_start().load(Ordering::Relaxed)
}
fn set_time_start (&self, value: usize) -> usize {
self.time_start().swap(value, Ordering::Relaxed)
}
fn time_axis (&self) -> &AtomicUsize;
fn get_time_axis (&self) -> usize {
self.time_axis().load(Ordering::Relaxed)
}
fn get_time_end (&self) -> usize {
self.time_start().get() + self.time_axis().get() * self.time_zoom().get()
}
}
pub trait NoteRange {
fn note_lo (&self) -> &AtomicUsize;
fn get_note_lo (&self) -> usize {
self.note_lo().load(Ordering::Relaxed)
}
fn set_note_lo (&self, x: usize) -> usize {
self.note_lo().swap(x, Ordering::Relaxed)
}
fn note_axis (&self) -> &AtomicUsize;
fn get_note_axis (&self) -> usize {
self.note_axis().load(Ordering::Relaxed)
}
fn get_note_hi (&self) -> usize {
(self.note_lo().get() + self.note_axis().get().saturating_sub(1)).min(127)
}
}
pub trait MidiRange: TimeRange + NoteRange {}
impl<T: TimeRange + NoteRange> MidiRange for T {}
impl TimeRange for MidiRangeModel {
fn time_len (&self) -> &AtomicUsize { &self.time_len }
fn time_zoom (&self) -> &AtomicUsize { &self.time_zoom }
fn time_lock (&self) -> &AtomicBool { &self.time_lock }
fn time_start (&self) -> &AtomicUsize { &self.time_start }
fn time_axis (&self) -> &AtomicUsize { &self.time_axis }
}
impl NoteRange for MidiRangeModel {
fn note_lo (&self) -> &AtomicUsize { &self.note_lo }
fn note_axis (&self) -> &AtomicUsize { &self.note_axis }
}

9
engine/time.rs
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@ -1,9 +0,0 @@
mod time_moment; pub use self::time_moment::*;
mod time_note; pub use self::time_note::*;
mod time_perf; pub use self::time_perf::*;
mod time_pulse; pub use self::time_pulse::*;
mod time_sample_count; pub use self::time_sample_count::*;
mod time_sample_rate; pub use self::time_sample_rate::*;
mod time_timebase; pub use self::time_timebase::*;
mod time_unit; pub use self::time_unit::*;
mod time_usec; pub use self::time_usec::*;

70
engine/time/time_moment.rs
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@ -1,70 +0,0 @@
use crate::*;
#[derive(Debug, Clone)]
pub enum Moment2 {
None,
Zero,
Usec(Microsecond),
Sample(SampleCount),
Pulse(Pulse),
}
/// A point in time in all time scales (microsecond, sample, MIDI pulse)
#[derive(Debug, Default, Clone)]
pub struct Moment {
pub timebase: Arc<Timebase>,
/// Current time in microseconds
pub usec: Microsecond,
/// Current time in audio samples
pub sample: SampleCount,
/// Current time in MIDI pulses
pub pulse: Pulse,
}
impl Moment {
pub fn zero (timebase: &Arc<Timebase>) -> Self {
Self { usec: 0.into(), sample: 0.into(), pulse: 0.into(), timebase: timebase.clone() }
}
pub fn from_usec (timebase: &Arc<Timebase>, usec: f64) -> Self {
Self {
usec: usec.into(),
sample: timebase.sr.usecs_to_sample(usec).into(),
pulse: timebase.usecs_to_pulse(usec).into(),
timebase: timebase.clone(),
}
}
pub fn from_sample (timebase: &Arc<Timebase>, sample: f64) -> Self {
Self {
sample: sample.into(),
usec: timebase.sr.samples_to_usec(sample).into(),
pulse: timebase.samples_to_pulse(sample).into(),
timebase: timebase.clone(),
}
}
pub fn from_pulse (timebase: &Arc<Timebase>, pulse: f64) -> Self {
Self {
pulse: pulse.into(),
sample: timebase.pulses_to_sample(pulse).into(),
usec: timebase.pulses_to_usec(pulse).into(),
timebase: timebase.clone(),
}
}
#[inline] pub fn update_from_usec (&self, usec: f64) {
self.usec.set(usec);
self.pulse.set(self.timebase.usecs_to_pulse(usec));
self.sample.set(self.timebase.sr.usecs_to_sample(usec));
}
#[inline] pub fn update_from_sample (&self, sample: f64) {
self.usec.set(self.timebase.sr.samples_to_usec(sample));
self.pulse.set(self.timebase.samples_to_pulse(sample));
self.sample.set(sample);
}
#[inline] pub fn update_from_pulse (&self, pulse: f64) {
self.usec.set(self.timebase.pulses_to_usec(pulse));
self.pulse.set(pulse);
self.sample.set(self.timebase.pulses_to_sample(pulse));
}
#[inline] pub fn format_beat (&self) -> Arc<str> {
self.timebase.format_beats_1(self.pulse.get()).into()
}
}

35
engine/time/time_note.rs
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@ -1,35 +0,0 @@
pub struct NoteDuration;
/// (pulses, name), assuming 96 PPQ
pub const NOTE_DURATIONS: [(usize, &str);26] = [
(1, "1/384"), (2, "1/192"),
(3, "1/128"), (4, "1/96"),
(6, "1/64"), (8, "1/48"),
(12, "1/32"), (16, "1/24"),
(24, "1/16"), (32, "1/12"),
(48, "1/8"), (64, "1/6"),
(96, "1/4"), (128, "1/3"),
(192, "1/2"), (256, "2/3"),
(384, "1/1"), (512, "4/3"),
(576, "3/2"), (768, "2/1"),
(1152, "3/1"), (1536, "4/1"),
(2304, "6/1"), (3072, "8/1"),
(3456, "9/1"), (6144, "16/1"),
];
impl NoteDuration {
/// Returns the next shorter length
pub fn prev (pulses: usize) -> usize {
for (length, _) in NOTE_DURATIONS.iter().rev() { if *length < pulses { return *length } }
pulses
}
/// Returns the next longer length
pub fn next (pulses: usize) -> usize {
for (length, _) in NOTE_DURATIONS.iter() { if *length > pulses { return *length } }
pulses
}
pub fn pulses_to_name (pulses: usize) -> &'static str {
for (length, name) in NOTE_DURATIONS.iter() { if *length == pulses { return name } }
""
}
}

23
engine/time/time_perf.rs
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@ -1,23 +0,0 @@
use crate::*;
use tengri::tui::PerfModel;
use ::jack::ProcessScope;
pub trait JackPerfModel {
fn update_from_jack_scope (&self, t0: Option<u64>, scope: &ProcessScope);
}
impl JackPerfModel for PerfModel {
fn update_from_jack_scope (&self, t0: Option<u64>, scope: &ProcessScope) {
if let Some(t0) = t0 {
let t1 = self.clock.raw();
self.used.store(
self.clock.delta_as_nanos(t0, t1) as f64,
Relaxed,
);
self.window.store(
scope.cycle_times().unwrap().period_usecs as f64,
Relaxed,
);
}
}
}

71
engine/time/time_pulse.rs
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@ -1,71 +0,0 @@
use crate::*;
pub const DEFAULT_PPQ: f64 = 96.0;
/// FIXME: remove this and use PPQ from timebase everywhere:
pub const PPQ: usize = 96;
/// MIDI resolution in PPQ (pulses per quarter note)
#[derive(Debug, Default)] pub struct PulsesPerQuaver(AtomicF64);
impl_time_unit!(PulsesPerQuaver);
/// Timestamp in MIDI pulses
#[derive(Debug, Default)] pub struct Pulse(AtomicF64);
impl_time_unit!(Pulse);
/// Tempo in beats per minute
#[derive(Debug, Default)] pub struct BeatsPerMinute(AtomicF64);
impl_time_unit!(BeatsPerMinute);
/// Quantization setting for launching clips
#[derive(Debug, Default)] pub struct LaunchSync(AtomicF64);
impl_time_unit!(LaunchSync);
impl LaunchSync {
pub fn next (&self) -> f64 {
NoteDuration::next(self.get() as usize) as f64
}
pub fn prev (&self) -> f64 {
NoteDuration::prev(self.get() as usize) as f64
}
}
/// Quantization setting for notes
#[derive(Debug, Default)] pub struct Quantize(AtomicF64);
impl_time_unit!(Quantize);
impl Quantize {
pub fn next (&self) -> f64 {
NoteDuration::next(self.get() as usize) as f64
}
pub fn prev (&self) -> f64 {
NoteDuration::prev(self.get() as usize) as f64
}
}
/// Iterator that emits subsequent ticks within a range.
pub struct TicksIterator {
pub spp: f64,
pub sample: usize,
pub start: usize,
pub end: usize,
}
impl Iterator for TicksIterator {
type Item = (usize, usize);
fn next (&mut self) -> Option<Self::Item> {
loop {
if self.sample > self.end { return None }
let spp = self.spp;
let sample = self.sample as f64;
let start = self.start;
let end = self.end;
self.sample += 1;
//println!("{spp} {sample} {start} {end}");
let jitter = sample.rem_euclid(spp); // ramps
let next_jitter = (sample + 1.0).rem_euclid(spp);
if jitter > next_jitter { // at crossing:
let time = (sample as usize) % (end as usize-start as usize);
let tick = (sample / spp) as usize;
return Some((time, tick))
}
}
}
}

5
engine/time/time_sample_count.rs
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@ -1,5 +0,0 @@
use crate::*;
/// Timestamp in audio samples
#[derive(Debug, Default)] pub struct SampleCount(AtomicF64);
impl_time_unit!(SampleCount);

23
engine/time/time_sample_rate.rs
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@ -1,23 +0,0 @@
use crate::*;
/// Audio sample rate in Hz (samples per second)
#[derive(Debug, Default)] pub struct SampleRate(AtomicF64);
impl_time_unit!(SampleRate);
impl SampleRate {
/// Return the duration of a sample in microseconds (floating)
#[inline] pub fn usec_per_sample (&self) -> f64 {
1_000_000f64 / self.get()
}
/// Return the duration of a sample in microseconds (floating)
#[inline] pub fn sample_per_usec (&self) -> f64 {
self.get() / 1_000_000f64
}
/// Convert a number of samples to microseconds (floating)
#[inline] pub fn samples_to_usec (&self, samples: f64) -> f64 {
self.usec_per_sample() * samples
}
/// Convert a number of microseconds to samples (floating)
#[inline] pub fn usecs_to_sample (&self, usecs: f64) -> f64 {
self.sample_per_usec() * usecs
}
}

118
engine/time/time_timebase.rs
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@ -1,118 +0,0 @@
use crate::*;
/// Temporal resolutions: sample rate, tempo, MIDI pulses per quaver (beat)
#[derive(Debug, Clone)]
pub struct Timebase {
/// Audio samples per second
pub sr: SampleRate,
/// MIDI beats per minute
pub bpm: BeatsPerMinute,
/// MIDI ticks per beat
pub ppq: PulsesPerQuaver,
}
impl Timebase {
/// Specify sample rate, BPM and PPQ
pub fn new (
s: impl Into<SampleRate>,
b: impl Into<BeatsPerMinute>,
p: impl Into<PulsesPerQuaver>
) -> Self {
Self { sr: s.into(), bpm: b.into(), ppq: p.into() }
}
/// Iterate over ticks between start and end.
#[inline] pub fn pulses_between_samples (&self, start: usize, end: usize) -> TicksIterator {
TicksIterator { spp: self.samples_per_pulse(), sample: start, start, end }
}
/// Return the duration fo a beat in microseconds
#[inline] pub fn usec_per_beat (&self) -> f64 { 60_000_000f64 / self.bpm.get() }
/// Return the number of beats in a second
#[inline] pub fn beat_per_second (&self) -> f64 { self.bpm.get() / 60f64 }
/// Return the number of microseconds corresponding to a note of the given duration
#[inline] pub fn note_to_usec (&self, (num, den): (f64, f64)) -> f64 {
4.0 * self.usec_per_beat() * num / den
}
/// Return duration of a pulse in microseconds (BPM-dependent)
#[inline] pub fn pulse_per_usec (&self) -> f64 { self.ppq.get() / self.usec_per_beat() }
/// Return duration of a pulse in microseconds (BPM-dependent)
#[inline] pub fn usec_per_pulse (&self) -> f64 { self.usec_per_beat() / self.ppq.get() }
/// Return number of pulses to which a number of microseconds corresponds (BPM-dependent)
#[inline] pub fn usecs_to_pulse (&self, usec: f64) -> f64 { usec * self.pulse_per_usec() }
/// Convert a number of pulses to a sample number (SR- and BPM-dependent)
#[inline] pub fn pulses_to_usec (&self, pulse: f64) -> f64 { pulse / self.usec_per_pulse() }
/// Return number of pulses in a second (BPM-dependent)
#[inline] pub fn pulses_per_second (&self) -> f64 { self.beat_per_second() * self.ppq.get() }
/// Return fraction of a pulse to which a sample corresponds (SR- and BPM-dependent)
#[inline] pub fn pulses_per_sample (&self) -> f64 {
self.usec_per_pulse() / self.sr.usec_per_sample()
}
/// Return number of samples in a pulse (SR- and BPM-dependent)
#[inline] pub fn samples_per_pulse (&self) -> f64 {
self.sr.get() / self.pulses_per_second()
}
/// Convert a number of pulses to a sample number (SR- and BPM-dependent)
#[inline] pub fn pulses_to_sample (&self, p: f64) -> f64 {
self.pulses_per_sample() * p
}
/// Convert a number of samples to a pulse number (SR- and BPM-dependent)
#[inline] pub fn samples_to_pulse (&self, s: f64) -> f64 {
s / self.pulses_per_sample()
}
/// Return the number of samples corresponding to a note of the given duration
#[inline] pub fn note_to_samples (&self, note: (f64, f64)) -> f64 {
self.usec_to_sample(self.note_to_usec(note))
}
/// Return the number of samples corresponding to the given number of microseconds
#[inline] pub fn usec_to_sample (&self, usec: f64) -> f64 {
usec * self.sr.get() / 1000f64
}
/// Return the quantized position of a moment in time given a step
#[inline] pub fn quantize (&self, step: (f64, f64), time: f64) -> (f64, f64) {
let step = self.note_to_usec(step);
(time / step, time % step)
}
/// Quantize a collection of events
#[inline] pub fn quantize_into <E: Iterator<Item=(f64, f64)> + Sized, T> (
&self, step: (f64, f64), events: E
) -> Vec<(f64, f64)> {
events.map(|(time, event)|(self.quantize(step, time).0, event)).collect()
}
/// Format a number of pulses into Beat.Bar.Pulse starting from 0
#[inline] pub fn format_beats_0 (&self, pulse: f64) -> Arc<str> {
let pulse = pulse as usize;
let ppq = self.ppq.get() as usize;
let (beats, pulses) = if ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
format!("{}.{}.{pulses:02}", beats / 4, beats % 4).into()
}
/// Format a number of pulses into Beat.Bar starting from 0
#[inline] pub fn format_beats_0_short (&self, pulse: f64) -> Arc<str> {
let pulse = pulse as usize;
let ppq = self.ppq.get() as usize;
let beats = if ppq > 0 { pulse / ppq } else { 0 };
format!("{}.{}", beats / 4, beats % 4).into()
}
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
#[inline] pub fn format_beats_1 (&self, pulse: f64) -> Arc<str> {
let mut string = String::with_capacity(16);
self.format_beats_1_to(&mut string, pulse).expect("failed to format {pulse} into beat");
string.into()
}
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
#[inline] pub fn format_beats_1_to (&self, w: &mut impl std::fmt::Write, pulse: f64) -> Result<(), std::fmt::Error> {
let pulse = pulse as usize;
let ppq = self.ppq.get() as usize;
let (beats, pulses) = if ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
write!(w, "{}.{}.{pulses:02}", beats / 4 + 1, beats % 4 + 1)
}
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
#[inline] pub fn format_beats_1_short (&self, pulse: f64) -> Arc<str> {
let pulse = pulse as usize;
let ppq = self.ppq.get() as usize;
let beats = if ppq > 0 { pulse / ppq } else { 0 };
format!("{}.{}", beats / 4 + 1, beats % 4 + 1).into()
}
}
impl Default for Timebase {
fn default () -> Self { Self::new(48000f64, 150f64, DEFAULT_PPQ) }
}

59
engine/time/time_unit.rs
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@ -1,59 +0,0 @@
use crate::*;
/// A unit of time, represented as an atomic 64-bit float.
///
/// According to https://stackoverflow.com/a/873367, as per IEEE754,
/// every integer between 1 and 2^53 can be represented exactly.
/// This should mean that, even at 192kHz sampling rate, over 1 year of audio
/// can be clocked in microseconds with f64 without losing precision.
pub trait TimeUnit: InteriorMutable<f64> {}
/// Implement an arithmetic operation for a unit of time
#[macro_export] macro_rules! impl_op {
($T:ident, $Op:ident, $method:ident, |$a:ident,$b:ident|{$impl:expr}) => {
impl $Op<Self> for $T {
type Output = Self; #[inline] fn $method (self, other: Self) -> Self::Output {
let $a = self.get(); let $b = other.get(); Self($impl.into())
}
}
impl $Op<usize> for $T {
type Output = Self; #[inline] fn $method (self, other: usize) -> Self::Output {
let $a = self.get(); let $b = other as f64; Self($impl.into())
}
}
impl $Op<f64> for $T {
type Output = Self; #[inline] fn $method (self, other: f64) -> Self::Output {
let $a = self.get(); let $b = other; Self($impl.into())
}
}
}
}
/// Define and implement a unit of time
#[macro_export] macro_rules! impl_time_unit {
($T:ident) => {
impl Gettable<f64> for $T {
fn get (&self) -> f64 { self.0.load(Relaxed) }
}
impl InteriorMutable<f64> for $T {
fn set (&self, value: f64) -> f64 {
let old = self.get();
self.0.store(value, Relaxed);
old
}
}
impl TimeUnit for $T {}
impl_op!($T, Add, add, |a, b|{a + b});
impl_op!($T, Sub, sub, |a, b|{a - b});
impl_op!($T, Mul, mul, |a, b|{a * b});
impl_op!($T, Div, div, |a, b|{a / b});
impl_op!($T, Rem, rem, |a, b|{a % b});
impl From<f64> for $T { fn from (value: f64) -> Self { Self(value.into()) } }
impl From<usize> for $T { fn from (value: usize) -> Self { Self((value as f64).into()) } }
impl From<$T> for f64 { fn from (value: $T) -> Self { value.get() } }
impl From<$T> for usize { fn from (value: $T) -> Self { value.get() as usize } }
impl From<&$T> for f64 { fn from (value: &$T) -> Self { value.get() } }
impl From<&$T> for usize { fn from (value: &$T) -> Self { value.get() as usize } }
impl Clone for $T { fn clone (&self) -> Self { Self(self.get().into()) } }
}
}

15
engine/time/time_usec.rs
View file

@ -1,15 +0,0 @@
use crate::*;
/// Timestamp in microseconds
#[derive(Debug, Default)] pub struct Microsecond(AtomicF64);
impl_time_unit!(Microsecond);
impl Microsecond {
#[inline] pub fn format_msu (&self) -> Arc<str> {
let usecs = self.get() as usize;
let (seconds, msecs) = (usecs / 1000000, usecs / 1000 % 1000);
let (minutes, seconds) = (seconds / 60, seconds % 60);
format!("{minutes}:{seconds:02}:{msecs:03}").into()
}
}