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tek/app/tek_impls.rs
stop screaming ec404b0305 refactor: into one big pile it goes
2026-02-21 04:08:56 +02:00

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use crate::*;
use std::fmt::Write;
use std::path::PathBuf;
use std::ffi::OsString;
audio!(App: tek_jack_process, tek_jack_event);
audio!(Lv2: lv2_jack_process);
audio!(Sampler: sampler_jack_process);
/// Command-line configuration.
#[cfg(feature = "cli")] impl Cli {
pub fn run (&self) -> Usually<()> {
if let Action::Version = self.action {
return Ok(tek_show_version())
}
let mut config = Config::new(None);
config.init()?;
if let Action::Config = self.action {
tek_print_config(&config);
} else if let Action::List = self.action {
todo!("list sessions")
} else if let Action::Resume = self.action {
todo!("resume session")
} else if let Action::New {
name, bpm, tracks, scenes, sync_lead, sync_follow,
midi_from, midi_from_re, midi_to, midi_to_re,
left_from, right_from, left_to, right_to, ..
} = &self.action {
// Connect to JACK
let name = name.as_ref().map_or("tek", |x|x.as_str());
let jack = Jack::new(&name)?;
// Collect MIDI IO:
let midi_ins = Connect::collect(&midi_from, &[] as &[&str], &midi_from_re).iter().enumerate()
.map(|(index, connect)|jack.midi_in(&format!("M/{index}"), &[connect.clone()]))
.collect::<Result<Vec<_>, _>>()?;
let midi_outs = Connect::collect(&midi_to, &[] as &[&str], &midi_to_re).iter().enumerate()
.map(|(index, connect)|jack.midi_out(&format!("{index}/M"), &[connect.clone()]))
.collect::<Result<Vec<_>, _>>()?;
// TODO: Collect audio IO:
let empty = &[] as &[&str];
let left_froms = Connect::collect(&left_from, empty, empty);
let left_tos = Connect::collect(&left_to, empty, empty);
let right_froms = Connect::collect(&right_from, empty, empty);
let right_tos = Connect::collect(&right_to, empty, empty);
let _audio_froms = &[left_froms.as_slice(), right_froms.as_slice()];
let _audio_tos = &[left_tos.as_slice(), right_tos.as_slice()];
// Create initial project:
let clock = Clock::new(&jack, *bpm)?;
let mut project = Arrangement::new(&jack, None, clock, vec![], vec![],
midi_ins, midi_outs);
project.tracks_add(tracks.unwrap_or(0), None, &[], &[])?;
project.scenes_add(scenes.unwrap_or(0))?;
if matches!(self.action, Action::Status) {
// Show status and exit
tek_print_status(&project);
return Ok(())
}
// Initialize the app state
let app = tek(&jack, project, config, ":menu");
if matches!(self.action, Action::Headless) {
// TODO: Headless mode (daemon + client over IPC, then over network...)
println!("todo headless");
} else {
// Run the [Tui] and [Jack] threads with the [App] state.
Tui::run(true, jack.run(move|jack|{
jack.sync_lead(*sync_lead, |mut state|{
let clock = app.clock();
clock.playhead.update_from_sample(state.position.frame() as f64);
state.position.bbt = Some(clock.bbt());
state.position
})?;
jack.sync_follow(*sync_follow)?;
Ok(app)
})?)?;
}
}
Ok(())
}
}
impl HasJack<'static> for App {
fn jack (&self) -> &Jack<'static> { &self.jack }
}
impl HasClipsSize for App {
fn clips_size (&self) -> &Measure<TuiOut> { &self.project.size_inner }
}
impl HasTrackScroll for App {
fn track_scroll (&self) -> usize { self.project.track_scroll() }
}
impl HasSceneScroll for App {
fn scene_scroll (&self) -> usize { self.project.scene_scroll() }
}
impl Default for AppCommand {
fn default () -> Self {
Self::Nop
}
}
impl<T> Default for Binding<T> {
fn default () -> Self {
Self {
..Default::default()
}
}
}
impl ScenesView for App {
fn w_side (&self) -> u16 { 20 }
fn w_mid (&self) -> u16 { (self.measure_width() as u16).saturating_sub(self.w_side()) }
fn h_scenes (&self) -> u16 { (self.measure_height() as u16).saturating_sub(20) }
}
impl Default for MenuItem { fn default () -> Self { Self("".into(), Arc::new(Box::new(|_|Ok(())))) } }
impl PartialEq for MenuItem { fn eq (&self, other: &Self) -> bool { self.0 == other.0 } }
impl AsRef<Arc<[MenuItem]>> for MenuItems { fn as_ref (&self) -> &Arc<[MenuItem]> { &self.0 } }
/// Default is always empty map regardless if `E` and `C` implement [Default].
impl<E, C> Default for Bind<E, C> { fn default () -> Self { Self(Default::default()) } }
has!(Jack<'static>: |self: App|self.jack);
has!(Pool: |self: App|self.pool);
has!(Dialog: |self: App|self.dialog);
has!(Clock: |self: App|self.project.clock);
has!(Option<MidiEditor>: |self: App|self.project.editor);
has!(Selection: |self: App|self.project.selection);
has!(Vec<MidiInput>: |self: App|self.project.midi_ins);
has!(Vec<MidiOutput>: |self: App|self.project.midi_outs);
has!(Vec<Scene>: |self: App|self.project.scenes);
has!(Vec<Track>: |self: App|self.project.tracks);
has!(Measure<TuiOut>: |self: App|self.size);
has_clips!( |self: App|self.pool.clips);
maybe_has!(Track: |self: App| { MaybeHas::<Track>::get(&self.project) };
{ MaybeHas::<Track>::get_mut(&mut self.project) });
maybe_has!(Scene: |self: App| { MaybeHas::<Scene>::get(&self.project) };
{ MaybeHas::<Scene>::get_mut(&mut self.project) });
impl_debug!(MenuItem |self, w| { write!(w, "{}", &self.0) });
impl_debug!(Condition |self, w| { write!(w, "*") });
macro_rules!primitive(($T:ty: $name:ident)=>{
fn $name (src: impl Language) -> Perhaps<$T> {
Ok(if let Some(src) = src.src()? { Some(to_number(src)? as $T) } else { None }) } });
primitive!(u8: try_to_u8);
primitive!(u16: try_to_u16);
primitive!(usize: try_to_usize);
primitive!(isize: try_to_isize);
namespace!(App: Arc<str> { literal = |dsl|Ok(dsl.src()?.map(|x|x.into())); });
namespace!(App: u8 { literal = |dsl|try_to_u8(dsl); });
namespace!(App: u16 { literal = |dsl|try_to_u16(dsl); symbol = |app| {
":w/sidebar" => app.project.w_sidebar(app.editor().is_some()),
":h/sample-detail" => 6.max(app.measure_height() as u16 * 3 / 9), }; });
namespace!(App: isize { literal = |dsl|try_to_isize(dsl); });
namespace!(App: usize { literal = |dsl|try_to_usize(dsl); symbol = |app| {
":scene-count" => app.scenes().len(),
":track-count" => app.tracks().len(),
":device-kind" => app.dialog.device_kind().unwrap_or(0),
":device-kind/next" => app.dialog.device_kind_next().unwrap_or(0),
":device-kind/prev" => app.dialog.device_kind_prev().unwrap_or(0), }; });
// Provide boolean values.
namespace!(App: bool { symbol = |app| {
":mode/editor" => app.project.editor.is_some(),
":focused/dialog" => !matches!(app.dialog, Dialog::None),
":focused/message" => matches!(app.dialog, Dialog::Message(..)),
":focused/add_device" => matches!(app.dialog, Dialog::Device(..)),
":focused/browser" => app.dialog.browser().is_some(),
":focused/pool/import" => matches!(app.pool.mode, Some(PoolMode::Import(..))),
":focused/pool/export" => matches!(app.pool.mode, Some(PoolMode::Export(..))),
":focused/pool/rename" => matches!(app.pool.mode, Some(PoolMode::Rename(..))),
":focused/pool/length" => matches!(app.pool.mode, Some(PoolMode::Length(..))),
":focused/clip" => !app.editor_focused() && matches!(app.selection(), Selection::TrackClip{..}),
":focused/track" => !app.editor_focused() && matches!(app.selection(), Selection::Track(..)),
":focused/scene" => !app.editor_focused() && matches!(app.selection(), Selection::Scene(..)),
":focused/mix" => !app.editor_focused() && matches!(app.selection(), Selection::Mix),
}; });
// TODO: provide colors here
namespace!(App: ItemTheme {});
namespace!(App: Dialog { symbol = |app| {
":dialog/none" => Dialog::None,
":dialog/options" => Dialog::Options,
":dialog/device" => Dialog::Device(0),
":dialog/device/prev" => Dialog::Device(0),
":dialog/device/next" => Dialog::Device(0),
":dialog/help" => Dialog::Help(0),
":dialog/save" => Dialog::Browse(BrowseTarget::SaveProject,
Browse::new(None).unwrap().into()),
":dialog/load" => Dialog::Browse(BrowseTarget::LoadProject,
Browse::new(None).unwrap().into()),
":dialog/import/clip" => Dialog::Browse(BrowseTarget::ImportClip(Default::default()),
Browse::new(None).unwrap().into()),
":dialog/export/clip" => Dialog::Browse(BrowseTarget::ExportClip(Default::default()),
Browse::new(None).unwrap().into()),
":dialog/import/sample" => Dialog::Browse(BrowseTarget::ImportSample(Default::default()),
Browse::new(None).unwrap().into()),
":dialog/export/sample" => Dialog::Browse(BrowseTarget::ExportSample(Default::default()),
Browse::new(None).unwrap().into()),
}; });
namespace!(App: Selection { symbol = |app| {
":select/scene" => app.selection().select_scene(app.tracks().len()),
":select/scene/next" => app.selection().select_scene_next(app.scenes().len()),
":select/scene/prev" => app.selection().select_scene_prev(),
":select/track" => app.selection().select_track(app.tracks().len()),
":select/track/next" => app.selection().select_track_next(app.tracks().len()),
":select/track/prev" => app.selection().select_track_prev(),
}; });
namespace!(App: Color {
symbol = |app| {
":color/bg" => Color::Rgb(28, 32, 36),
};
expression = |app| {
"g" (n: u8) => Color::Rgb(n, n, n),
"rgb" (r: u8, g: u8, b: u8) => Color::Rgb(r, g, b),
};
});
namespace!(App: Option<u7> { symbol = |app| {
":editor/pitch" => Some((app.editor().as_ref().map(|e|e.get_note_pos()).unwrap() as u8).into())
}; });
namespace!(App: Option<usize> { symbol = |app| {
":selected/scene" => app.selection().scene(),
":selected/track" => app.selection().track(),
}; });
namespace!(App: Option<Arc<RwLock<MidiClip>>> {
symbol = |app| {
":selected/clip" => if let Selection::TrackClip { track, scene } = app.selection() {
app.scenes()[*scene].clips[*track].clone()
} else {
None
}
};
});
handle!(TuiIn: |self: App, input|{
let commands = collect_commands(self, input)?;
let history = execute_commands(self, commands)?;
self.history.extend(history.into_iter());
Ok(None)
});
impl Config {
const CONFIG_DIR: &'static str = "tek";
const CONFIG_SUB: &'static str = "v0";
const CONFIG: &'static str = "tek.edn";
const DEFAULTS: &'static str = include_str!("./tek.edn");
/// Create a new app configuration from a set of XDG base directories,
pub fn new (dirs: Option<BaseDirectories>) -> Self {
let default = ||BaseDirectories::with_profile(Self::CONFIG_DIR, Self::CONFIG_SUB);
let dirs = dirs.unwrap_or_else(default);
Self { dirs, ..Default::default() }
}
/// Write initial contents of configuration.
pub fn init (&mut self) -> Usually<()> {
self.init_one(Self::CONFIG, Self::DEFAULTS, |cfgs, dsl|{
cfgs.add(&dsl)?;
Ok(())
})?;
Ok(())
}
/// Write initial contents of a configuration file.
pub fn init_one (
&mut self, path: &str, defaults: &str, mut each: impl FnMut(&mut Self, &str)->Usually<()>
) -> Usually<()> {
if self.dirs.find_config_file(path).is_none() {
//println!("Creating {path:?}");
std::fs::write(self.dirs.place_config_file(path)?, defaults)?;
}
Ok(if let Some(path) = self.dirs.find_config_file(path) {
//println!("Loading {path:?}");
let src = std::fs::read_to_string(&path)?;
src.as_str().each(move|item|each(self, item))?;
} else {
return Err(format!("{path}: not found").into())
})
}
/// Add statements to configuration from [Dsl] source.
pub fn add (&mut self, dsl: impl Language) -> Usually<&mut Self> {
dsl.each(|item|self.add_one(item))?;
Ok(self)
}
fn add_one (&self, item: impl Language) -> Usually<()> {
if let Some(expr) = item.expr()? {
let head = expr.head()?;
let tail = expr.tail()?;
let name = tail.head()?;
let body = tail.tail()?;
//println!("Config::load: {} {} {}", head.unwrap_or_default(), name.unwrap_or_default(), body.unwrap_or_default());
match head {
Some("mode") if let Some(name) = name => load_mode(&self.modes, &name, &body)?,
Some("keys") if let Some(name) = name => load_bind(&self.binds, &name, &body)?,
Some("view") if let Some(name) = name => load_view(&self.views, &name, &body)?,
_ => return Err(format!("Config::load: expected view/keys/mode, got: {item:?}").into())
}
Ok(())
} else {
return Err(format!("Config::load: expected expr, got: {item:?}").into())
}
}
pub fn get_mode (&self, mode: impl AsRef<str>) -> Option<Arc<Mode<Arc<str>>>> {
self.modes.clone().read().unwrap().get(mode.as_ref()).cloned()
}
}
// Each mode contains a view, so here we should be drawing it.
// I'm not sure what's going on with this code, though.
impl<D: Language + Ord> Draw<TuiOut> for Mode<D> {
fn draw (&self, _to: &mut TuiOut) {
//self.content().draw(to)
}
}
impl Mode<Arc<str>> {
/// Add a definition to the mode.
///
/// Supported definitions:
///
/// - (name ...) -> name
/// - (info ...) -> description
/// - (keys ...) -> key bindings
/// - (mode ...) -> submode
/// - ... -> view
///
/// ```
/// let mut mode: tek::Mode<std::sync::Arc<str>> = Default::default();
/// mode.add("(name hello)").unwrap();
/// ```
pub fn add (&mut self, dsl: impl Language) -> Usually<()> {
Ok(if let Ok(Some(expr)) = dsl.expr() && let Ok(Some(head)) = expr.head() {
//println!("Mode::add: {head} {:?}", expr.tail());
let tail = expr.tail()?.map(|x|x.trim()).unwrap_or("");
match head {
"name" => self.add_name(tail)?,
"info" => self.add_info(tail)?,
"keys" => self.add_keys(tail)?,
"mode" => self.add_mode(tail)?,
_ => self.add_view(tail)?,
};
} else if let Ok(Some(word)) = dsl.word() {
self.add_view(word);
} else {
return Err(format!("Mode::add: unexpected: {dsl:?}").into());
})
//DslParse(dsl, ||Err(format!("Mode::add: unexpected: {dsl:?}").into()))
//.word(|word|self.add_view(word))
//.expr(|expr|expr.head(|head|{
////println!("Mode::add: {head} {:?}", expr.tail());
//let tail = expr.tail()?.map(|x|x.trim()).unwrap_or("");
//match head {
//"name" => self.add_name(tail),
//"info" => self.add_info(tail),
//"keys" => self.add_keys(tail)?,
//"mode" => self.add_mode(tail)?,
//_ => self.add_view(tail),
//};
//}))
}
fn add_name (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.name.push(src.into())))
}
fn add_info (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.info.push(src.into())))
}
fn add_view (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(dsl.src()?.map(|src|self.view.push(src.into())))
}
fn add_keys (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(Some(dsl.each(|expr|{
self.keys.push(expr.trim().into());
Ok(())
})?))
}
fn add_mode (&mut self, dsl: impl Language) -> Perhaps<()> {
Ok(Some(if let Some(id) = dsl.head()? {
load_mode(&self.modes, &id, &dsl.tail())?;
} else {
return Err(format!("Mode::add: self: incomplete: {dsl:?}").into());
}))
}
}
impl<E: Clone + Ord, C> Bind<E, C> {
/// Create a new event map
pub fn new () -> Self {
Default::default()
}
/// Add a binding to an owned event map.
pub fn def (mut self, event: E, binding: Binding<C>) -> Self {
self.add(event, binding);
self
}
/// Add a binding to an event map.
pub fn add (&mut self, event: E, binding: Binding<C>) -> &mut Self {
if !self.0.contains_key(&event) {
self.0.insert(event.clone(), Default::default());
}
self.0.get_mut(&event).unwrap().push(binding);
self
}
/// Return the binding(s) that correspond to an event.
pub fn query (&self, event: &E) -> Option<&[Binding<C>]> {
self.0.get(event).map(|x|x.as_slice())
}
/// Return the first binding that corresponds to an event, considering conditions.
pub fn dispatch (&self, event: &E) -> Option<&Binding<C>> {
self.query(event)
.map(|bb|bb.iter().filter(|b|b.condition.as_ref().map(|c|(c.0)()).unwrap_or(true)).next())
.flatten()
}
}
impl<C> Binding<C> {
/// FIXME: Load an individual command binding from a dizzle.
///
/// ```
/// let binding = tek::Binding::<()>::from_dsl("foo bar").unwrap();
/// ```
pub fn from_dsl (dsl: impl Language) -> Usually<Self> {
let command: Option<C> = None;
let condition: Option<Condition> = None;
let description: Option<Arc<str>> = None;
let source: Option<Arc<PathBuf>> = None;
if let Some(command) = command {
Ok(Self { commands: [command].into(), condition, description, source })
} else {
Err(format!("no command in {dsl:?}").into())
}
}
}
impl App {
pub fn update_clock (&self) {
ClockView::update_clock(&self.project.clock.view_cache, self.clock(), self.size.w() > 80)
}
/// Set modal dialog.
pub fn set_dialog (&mut self, mut dialog: Dialog) -> Dialog {
std::mem::swap(&mut self.dialog, &mut dialog);
dialog
}
/// Set picked device in device pick dialog.
pub fn device_pick (&mut self, index: usize) {
self.dialog = Dialog::Device(index);
}
pub fn add_device (&mut self, index: usize) -> Usually<()> {
match index {
0 => {
let name = self.jack.with_client(|c|c.name().to_string());
let midi = self.project.track().expect("no active track").sequencer.midi_outs[0].port_name();
let track = self.track().expect("no active track");
let port = format!("{}/Sampler", &track.name);
let connect = Connect::exact(format!("{name}:{midi}"));
let sampler = if let Ok(sampler) = Sampler::new(
&self.jack, &port, &[connect], &[&[], &[]], &[&[], &[]]
) {
self.dialog = Dialog::None;
Device::Sampler(sampler)
} else {
self.dialog = Dialog::Message("Failed to add device.".into());
return Err("failed to add device".into())
};
let track = self.track_mut().expect("no active track");
track.devices.push(sampler);
Ok(())
},
1 => {
todo!();
Ok(())
},
_ => unreachable!(),
}
}
/// Return reference to content browser if open.
pub fn browser (&self) -> Option<&Browse> {
if let Dialog::Browse(_, ref b) = self.dialog { Some(b) } else { None }
}
/// Is a MIDI editor currently focused?
pub fn editor_focused (&self) -> bool {
false
}
/// Toggle MIDI editor.
pub fn toggle_editor (&mut self, value: Option<bool>) {
//FIXME: self.editing.store(value.unwrap_or_else(||!self.is_editing()), Relaxed);
let value = value.unwrap_or_else(||!self.editor().is_some());
if value {
// Create new clip in pool when entering empty cell
if let Selection::TrackClip { track, scene } = *self.selection()
&& let Some(scene) = self.project.scenes.get_mut(scene)
&& let Some(slot) = scene.clips.get_mut(track)
&& slot.is_none()
&& let Some(track) = self.project.tracks.get_mut(track)
{
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();
if let Some(editor) = &mut self.project.editor {
editor.set_clip(Some(&clip));
}
*slot = Some(clip.clone());
//Some(clip)
} else {
//None
}
} else if let Selection::TrackClip { track, scene } = *self.selection()
&& let Some(scene) = self.project.scenes.get_mut(scene)
&& let Some(slot) = scene.clips.get_mut(track)
&& let Some(clip) = slot.as_mut()
{
// Remove clip from arrangement when exiting empty clip editor
let mut swapped = None;
if clip.read().unwrap().count_midi_messages() == 0 {
std::mem::swap(&mut swapped, slot);
}
if let Some(clip) = swapped {
self.pool.delete_clip(&clip.read().unwrap());
}
}
}
}
impl Dialog {
pub fn welcome () -> Self {
Self::Menu(1, MenuItems([
MenuItem("Resume session".into(), Arc::new(Box::new(|_|Ok(())))),
MenuItem("Create new session".into(), Arc::new(Box::new(|app|Ok({
app.dialog = Dialog::None;
app.mode = app.config.modes.clone().read().unwrap().get(":arranger").cloned().unwrap();
})))),
MenuItem("Load old session".into(), Arc::new(Box::new(|_|Ok(())))),
].into()))
}
pub fn menu_next (&self) -> Self {
match self {
Self::Menu(index, items) => Self::Menu(wrap_inc(*index, items.0.len()), items.clone()),
_ => Self::None
}
}
pub fn menu_prev (&self) -> Self {
match self {
Self::Menu(index, items) => Self::Menu(wrap_dec(*index, items.0.len()), items.clone()),
_ => Self::None
}
}
pub fn menu_selected (&self) -> Option<usize> { if let Self::Menu(selected, _) = self { Some(*selected) } else { None } }
pub fn device_kind (&self) -> Option<usize> { if let Self::Device(index) = self { Some(*index) } else { None } }
pub fn device_kind_next (&self) -> Option<usize> { self.device_kind().map(|index|(index + 1) % device_kinds().len()) }
pub fn device_kind_prev (&self) -> Option<usize> { self.device_kind().map(|index|index.overflowing_sub(1).0.min(device_kinds().len().saturating_sub(1))) }
pub fn message (&self) -> Option<&str> { todo!() }
pub fn browser (&self) -> Option<&Arc<Browse>> { todo!() }
pub fn browser_target (&self) -> Option<&BrowseTarget> { todo!() }
}
impl<'a> Namespace<'a, AppCommand> for App {
symbols!('a |app| -> AppCommand {
"x/inc" => AppCommand::Inc { axis: ControlAxis::X },
"x/dec" => AppCommand::Dec { axis: ControlAxis::X },
"y/inc" => AppCommand::Inc { axis: ControlAxis::Y },
"y/dec" => AppCommand::Dec { axis: ControlAxis::Y },
"confirm" => AppCommand::Confirm,
"cancel" => AppCommand::Cancel,
});
}
impl Draw<TuiOut> for App {
fn draw (&self, to: &mut TuiOut) {
if let Some(e) = self.error.read().unwrap().as_ref() {
to.place_at(to.area(), e);
}
for (_index, dsl) in self.mode.view.iter().enumerate() {
if let Err(e) = self.view(to, dsl) {
*self.error.write().unwrap() = Some(format!("{e}").into());
break;
}
}
}
}
impl View<TuiOut, ()> for App {
fn view_expr <'a> (&'a self, to: &mut TuiOut, expr: &'a impl Expression) -> Usually<()> {
if evaluate_output_expression(self, to, expr)?
|| evaluate_output_expression_tui(self, to, expr)? {
Ok(())
} else {
Err(format!("App::view_expr: unexpected: {expr:?}").into())
}
}
fn view_word <'a> (&'a self, to: &mut TuiOut, dsl: &'a impl Expression) -> Usually<()> {
let mut frags = dsl.src()?.unwrap().split("/");
match frags.next() {
Some(":logo") => to.place(&view_logo()),
Some(":status") => to.place(&Fixed::Y(1, "TODO: Status Bar")),
Some(":meters") => match frags.next() {
Some("input") => to.place(&Tui::bg(Rgb(30, 30, 30), Fill::Y(Align::s("Input Meters")))),
Some("output") => to.place(&Tui::bg(Rgb(30, 30, 30), Fill::Y(Align::s("Output Meters")))),
_ => panic!()
},
Some(":tracks") => match frags.next() {
None => to.place(&"TODO tracks"),
Some("names") => to.place(&self.project.view_track_names(self.color.clone())),//Tui::bg(Rgb(40, 40, 40), Fill::X(Align::w("Track Names")))),
Some("inputs") => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::X(Align::w("Track Inputs")))),
Some("devices") => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::X(Align::w("Track Devices")))),
Some("outputs") => to.place(&Tui::bg(Rgb(40, 40, 40), Fill::X(Align::w("Track Outputs")))),
_ => panic!()
},
Some(":scenes") => match frags.next() {
None => to.place(&"TODO scenes"),
Some(":scenes/names") => to.place(&"TODO Scene Names"),
_ => panic!()
},
Some(":editor") => to.place(&"TODO Editor"),
Some(":dialog") => match frags.next() {
Some("menu") => to.place(&if let Dialog::Menu(selected, items) = &self.dialog {
let items = items.clone();
let selected = selected;
Some(Fill::XY(Thunk::new(move|to: &mut TuiOut|{
for (index, MenuItem(item, _)) in items.0.iter().enumerate() {
to.place(&Push::Y((2 * index) as u16,
Tui::fg_bg(
if *selected == index { Rgb(240,200,180) } else { Rgb(200, 200, 200) },
if *selected == index { Rgb(80, 80, 50) } else { Rgb(30, 30, 30) },
Fixed::Y(2, Align::n(Fill::X(item)))
)));
}
})))
} else {
None
}),
_ => unimplemented!("App::view_word: {dsl:?} ({frags:?})"),
},
Some(":templates") => to.place(&{
let modes = self.config.modes.clone();
let height = (modes.read().unwrap().len() * 2) as u16;
Fixed::Y(height, Min::X(30, Thunk::new(move |to: &mut TuiOut|{
for (index, (id, profile)) in modes.read().unwrap().iter().enumerate() {
let bg = if index == 0 { Rgb(70,70,70) } else { Rgb(50,50,50) };
let name = profile.name.get(0).map(|x|x.as_ref()).unwrap_or("<no name>");
let info = profile.info.get(0).map(|x|x.as_ref()).unwrap_or("<no info>");
let fg1 = Rgb(224, 192, 128);
let fg2 = Rgb(224, 128, 32);
let field_name = Fill::X(Align::w(Tui::fg(fg1, name)));
let field_id = Fill::X(Align::e(Tui::fg(fg2, id)));
let field_info = Fill::X(Align::w(info));
to.place(&Push::Y((2 * index) as u16,
Fixed::Y(2, Fill::X(Tui::bg(bg, Bsp::s(
Bsp::a(field_name, field_id), field_info))))));
}
})))
}),
Some(":sessions") => to.place(&Fixed::Y(6, Min::X(30, Thunk::new(|to: &mut TuiOut|{
let fg = Rgb(224, 192, 128);
for (index, name) in ["session1", "session2", "session3"].iter().enumerate() {
let bg = if index == 0 { Rgb(50,50,50) } else { Rgb(40,40,40) };
to.place(&Push::Y((2 * index) as u16,
&Fixed::Y(2, Fill::X(Tui::bg(bg, Align::w(Tui::fg(fg, name)))))));
}
})))),
Some(":browse/title") => to.place(&Fill::X(Align::w(FieldV(ItemColor::default(),
match self.dialog.browser_target().unwrap() {
BrowseTarget::SaveProject => "Save project:",
BrowseTarget::LoadProject => "Load project:",
BrowseTarget::ImportSample(_) => "Import sample:",
BrowseTarget::ExportSample(_) => "Export sample:",
BrowseTarget::ImportClip(_) => "Import clip:",
BrowseTarget::ExportClip(_) => "Export clip:",
}, Shrink::X(3, Fixed::Y(1, Tui::fg(Tui::g(96), Repeat::X("🭻")))))))),
Some(":device") => {
let selected = self.dialog.device_kind().unwrap();
to.place(&Bsp::s(Tui::bold(true, "Add device"), Map::south(1,
move||device_kinds().iter(),
move|_label: &&'static str, i|{
let bg = if i == selected { Rgb(64,128,32) } else { Rgb(0,0,0) };
let lb = if i == selected { "[ " } else { " " };
let rb = if i == selected { " ]" } else { " " };
Fill::X(Tui::bg(bg, Bsp::e(lb, Bsp::w(rb, "FIXME device name")))) })))
},
Some(":debug") => to.place(&Fixed::Y(1, format!("[{:?}]", to.area()))),
Some(_) => {
let views = self.config.views.read().unwrap();
if let Some(dsl) = views.get(dsl.src()?.unwrap()) {
let dsl = dsl.clone();
std::mem::drop(views);
self.view(to, &dsl)?
} else {
unimplemented!("{dsl:?}");
}
},
_ => unreachable!()
}
Ok(())
}
}
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);
/// 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,
);
}
}
}
has!(Jack<'static>: |self: Arrangement|self.jack);
has!(Measure<TuiOut>: |self: Arrangement|self.size);
#[cfg(feature = "editor")] has!(Option<MidiEditor>: |self: Arrangement|self.editor);
#[cfg(feature = "port")] has!(Vec<MidiInput>: |self: Arrangement|self.midi_ins);
#[cfg(feature = "port")] has!(Vec<MidiOutput>: |self: Arrangement|self.midi_outs);
#[cfg(feature = "clock")] has!(Clock: |self: Arrangement|self.clock);
#[cfg(feature = "select")] has!(Selection: |self: Arrangement|self.selection);
#[cfg(feature = "track")] impl TracksView for Arrangement {} // -> to auto?
#[cfg(all(feature = "select", feature = "track"))] has!(Vec<Track>: |self: Arrangement|self.tracks);
#[cfg(all(feature = "select", feature = "track"))] maybe_has!(Track: |self: Arrangement|
{ Has::<Selection>::get(self).track().map(|index|Has::<Vec<Track>>::get(self).get(index)).flatten() };
{ Has::<Selection>::get(self).track().map(|index|Has::<Vec<Track>>::get_mut(self).get_mut(index)).flatten() });
#[cfg(all(feature = "select", feature = "scene"))] has!(Vec<Scene>: |self: Arrangement|self.scenes);
#[cfg(all(feature = "select", feature = "scene"))] maybe_has!(Scene: |self: Arrangement|
{ Has::<Selection>::get(self).track().map(|index|Has::<Vec<Scene>>::get(self).get(index)).flatten() };
{ Has::<Selection>::get(self).track().map(|index|Has::<Vec<Scene>>::get_mut(self).get_mut(index)).flatten() });
#[cfg(feature = "select")] impl Arrangement {
#[cfg(feature = "clip")] fn selected_clip (&self) -> Option<MidiClip> { todo!() }
#[cfg(feature = "scene")] fn selected_scene (&self) -> Option<Scene> { todo!() }
#[cfg(feature = "track")] fn selected_track (&self) -> Option<Track> { todo!() }
#[cfg(feature = "port")] fn selected_midi_in (&self) -> Option<MidiInput> { todo!() }
#[cfg(feature = "port")] fn selected_midi_out (&self) -> Option<MidiOutput> { todo!() }
fn selected_device (&self) -> Option<Device> {
todo!()
}
fn unselect (&self) -> Selection {
Selection::Nothing
}
}
#[cfg(feature = "vst2")] impl<E: Engine> ::vst::host::Host for Plugin<E> {}
impl HasJack<'static> for Arrangement {
fn jack (&self) -> &Jack<'static> {
&self.jack
}
}
impl Arrangement {
/// Create a new arrangement.
pub fn new (
jack: &Jack<'static>,
name: Option<Arc<str>>,
clock: Clock,
tracks: Vec<Track>,
scenes: Vec<Scene>,
midi_ins: Vec<MidiInput>,
midi_outs: Vec<MidiOutput>,
) -> Self {
Self {
clock, tracks, scenes, midi_ins, midi_outs,
jack: jack.clone(),
name: name.unwrap_or_default(),
color: ItemTheme::random(),
selection: Selection::TrackClip { track: 0, scene: 0 },
..Default::default()
}
}
/// Width of display
pub fn w (&self) -> u16 {
self.size.w() as u16
}
/// Width allocated for sidebar.
pub fn w_sidebar (&self, is_editing: bool) -> u16 {
self.w() / if is_editing { 16 } else { 8 } as u16
}
/// Width available to display tracks.
pub fn w_tracks_area (&self, is_editing: bool) -> u16 {
self.w().saturating_sub(self.w_sidebar(is_editing))
}
/// Height of display
pub fn h (&self) -> u16 {
self.size.h() as u16
}
/// Height taken by visible device slots.
pub fn h_devices (&self) -> u16 {
2
//1 + self.devices_with_sizes().last().map(|(_, _, _, _, y)|y as u16).unwrap_or(0)
}
}
#[cfg(feature = "track")] impl Arrangement {
/// Get the active track
pub fn get_track (&self) -> Option<&Track> {
let index = self.selection().track()?;
Has::<Vec<Track>>::get(self).get(index)
}
/// Get a mutable reference to the active track
pub fn get_track_mut (&mut self) -> Option<&mut Track> {
let index = self.selection().track()?;
Has::<Vec<Track>>::get_mut(self).get_mut(index)
}
/// Add multiple tracks
pub fn tracks_add (
&mut self,
count: usize, width: Option<usize>,
mins: &[Connect], mouts: &[Connect],
) -> Usually<()> {
let track_color_1 = ItemColor::random();
let track_color_2 = ItemColor::random();
for i in 0..count {
let color = track_color_1.mix(track_color_2, i as f32 / count as f32).into();
let track = self.track_add(None, Some(color), mins, mouts)?.1;
if let Some(width) = width {
track.width = width;
}
}
Ok(())
}
/// Add a track
pub fn track_add (
&mut self,
name: Option<&str>, color: Option<ItemTheme>,
mins: &[Connect], mouts: &[Connect],
) -> Usually<(usize, &mut Track)> {
let name: Arc<str> = name.map_or_else(
||format!("trk{:02}", self.track_last).into(),
|x|x.to_string().into()
);
self.track_last += 1;
let track = Track {
width: (name.len() + 2).max(12),
color: color.unwrap_or_else(ItemTheme::random),
sequencer: Sequencer::new(
&format!("{name}"),
self.jack(),
Some(self.clock()),
None,
mins,
mouts
)?,
name,
..Default::default()
};
self.tracks_mut().push(track);
let len = self.tracks().len();
let index = len - 1;
for scene in self.scenes_mut().iter_mut() {
while scene.clips.len() < len {
scene.clips.push(None);
}
}
Ok((index, &mut self.tracks_mut()[index]))
}
pub fn view_inputs (&self, _theme: ItemTheme) -> impl Content<TuiOut> + '_ {
Bsp::s(
Fixed::Y(1, self.view_inputs_header()),
Thunk::new(|to: &mut TuiOut|{
for (index, port) in self.midi_ins().iter().enumerate() {
to.place(&Push::X(index as u16 * 10, Fixed::Y(1, self.view_inputs_row(port))))
}
})
)
}
fn view_inputs_header (&self) -> impl Content<TuiOut> + '_ {
Bsp::e(Fixed::X(20, Align::w(button_3("i", "nput ", format!("{}", self.midi_ins.len()), false))),
Bsp::w(Fixed::X(4, button_2("I", "+", false)), Thunk::new(move|to: &mut TuiOut|for (_index, track, x1, _x2) in self.tracks_with_sizes() {
#[cfg(feature = "track")]
to.place(&Push::X(x1 as u16, Tui::bg(track.color.dark.rgb, Align::w(Fixed::X(track.width as u16, row!(
Either::new(track.sequencer.monitoring, Tui::fg(Green, "mon "), "mon "),
Either::new(track.sequencer.recording, Tui::fg(Red, "rec "), "rec "),
Either::new(track.sequencer.overdub, Tui::fg(Yellow, "dub "), "dub "),
))))))
})))
}
fn view_inputs_row (&self, port: &MidiInput) -> impl Content<TuiOut> {
Bsp::e(Fixed::X(20, Align::w(Bsp::e(" ● ", Tui::bold(true, Tui::fg(Rgb(255,255,255), port.port_name()))))),
Bsp::w(Fixed::X(4, ()), Thunk::new(move|to: &mut TuiOut|for (_index, track, _x1, _x2) in self.tracks_with_sizes() {
#[cfg(feature = "track")]
to.place(&Tui::bg(track.color.darker.rgb, Align::w(Fixed::X(track.width as u16, row!(
Either::new(track.sequencer.monitoring, Tui::fg(Green, " ● "), " · "),
Either::new(track.sequencer.recording, Tui::fg(Red, " ● "), " · "),
Either::new(track.sequencer.overdub, Tui::fg(Yellow, " ● "), " · "),
)))))
})))
}
pub fn view_outputs (&self, theme: ItemTheme) -> impl Content<TuiOut> {
let mut h = 1;
for output in self.midi_outs().iter() {
h += 1 + output.connections.len();
}
let h = h as u16;
let list = Bsp::s(
Fixed::Y(1, Fill::X(Align::w(button_3("o", "utput", format!("{}", self.midi_outs.len()), false)))),
Fixed::Y(h - 1, Fill::XY(Align::nw(Thunk::new(|to: &mut TuiOut|{
for (_index, port) in self.midi_outs().iter().enumerate() {
to.place(&Fixed::Y(1,Fill::X(Bsp::e(
Align::w(Bsp::e(" ● ", Tui::fg(Rgb(255,255,255),Tui::bold(true, port.port_name())))),
Fill::X(Align::e(format!("{}/{} ",
port.port().get_connections().len(),
port.connections.len())))))));
for (index, conn) in port.connections.iter().enumerate() {
to.place(&Fixed::Y(1, Fill::X(Align::w(format!(" c{index:02}{}", conn.info())))));
}
}
})))));
Fixed::Y(h, view_track_row_section(theme, list, button_2("O", "+", false),
Tui::bg(theme.darker.rgb, Align::w(Fill::X(
Thunk::new(|to: &mut TuiOut|{
for (index, track, _x1, _x2) in self.tracks_with_sizes() {
to.place(&Fixed::X(track_width(index, track),
Thunk::new(|to: &mut TuiOut|{
to.place(&Fixed::Y(1, Align::w(Bsp::e(
Either::new(true, Tui::fg(Green, "play "), "play "),
Either::new(false, Tui::fg(Yellow, "solo "), "solo "),
))));
for (_index, port) in self.midi_outs().iter().enumerate() {
to.place(&Fixed::Y(1, Align::w(Bsp::e(
Either::new(true, Tui::fg(Green, " ● "), " · "),
Either::new(false, Tui::fg(Yellow, " ● "), " · "),
))));
for (_index, _conn) in port.connections.iter().enumerate() {
to.place(&Fixed::Y(1, Fill::X("")));
}
}})))}}))))))
}
pub fn view_track_devices (&self, theme: ItemTheme) -> impl Content<TuiOut> {
let mut h = 2u16;
for track in self.tracks().iter() {
h = h.max(track.devices.len() as u16 * 2);
}
view_track_row_section(theme,
button_3("d", "evice", format!("{}", self.track().map(|t|t.devices.len()).unwrap_or(0)), false),
button_2("D", "+", false),
Thunk::new(move|to: &mut TuiOut|for (index, track, _x1, _x2) in self.tracks_with_sizes() {
to.place(&Fixed::XY(track_width(index, track), h + 1,
Tui::bg(track.color.dark.rgb, Align::nw(Map::south(2, move||0..h,
|_, _index|Fixed::XY(track.width as u16, 2,
Tui::fg_bg(
ItemTheme::G[32].lightest.rgb,
ItemTheme::G[32].dark.rgb,
Align::nw(format!(" · {}", "--")))))))));
}))
}
}
#[cfg(feature = "scene")] impl Arrangement {
/// Get the active scene
pub fn get_scene (&self) -> Option<&Scene> {
let index = self.selection().scene()?;
Has::<Vec<Scene>>::get(self).get(index)
}
/// Get a mutable reference to the active scene
pub fn get_scene_mut (&mut self) -> Option<&mut Scene> {
let index = self.selection().scene()?;
Has::<Vec<Scene>>::get_mut(self).get_mut(index)
}
}
#[cfg(feature = "scene")] impl ScenesView for Arrangement {
fn h_scenes (&self) -> u16 {
(self.measure_height() as u16).saturating_sub(20)
}
fn w_side (&self) -> u16 {
(self.measure_width() as u16 * 2 / 10).max(20)
}
fn w_mid (&self) -> u16 {
(self.measure_width() as u16).saturating_sub(2 * self.w_side()).max(40)
}
}
#[cfg(feature = "clip")] impl Arrangement {
/// Get the active clip
pub fn get_clip (&self) -> Option<Arc<RwLock<MidiClip>>> {
self.get_scene()?.clips.get(self.selection().track()?)?.clone()
}
/// Put a clip in a slot
pub fn clip_put (
&mut self, track: usize, scene: usize, clip: Option<Arc<RwLock<MidiClip>>>
) -> Option<Arc<RwLock<MidiClip>>> {
let old = self.scenes[scene].clips[track].clone();
self.scenes[scene].clips[track] = clip;
old
}
/// Change the color of a clip, returning the previous one
pub fn clip_set_color (&self, track: usize, scene: usize, color: ItemTheme)
-> Option<ItemTheme>
{
self.scenes[scene].clips[track].as_ref().map(|clip|{
let mut clip = clip.write().unwrap();
let old = clip.color.clone();
clip.color = color.clone();
panic!("{color:?} {old:?}");
old
})
}
/// Toggle looping for the active clip
pub fn toggle_loop (&mut self) {
if let Some(clip) = self.get_clip() {
clip.write().unwrap().toggle_loop()
}
}
}
#[cfg(feature = "sampler")] impl Arrangement {
/// Get the first sampler of the active track
pub fn sampler (&self) -> Option<&Sampler> {
self.get_track()?.sampler(0)
}
/// Get the first sampler of the active track
pub fn sampler_mut (&mut self) -> Option<&mut Sampler> {
self.get_track_mut()?.sampler_mut(0)
}
}
impl HasClipsSize for Arrangement {
fn clips_size (&self) -> &Measure<TuiOut> { &self.size_inner }
}
impl PartialEq for BrowseTarget {
fn eq (&self, other: &Self) -> bool {
match self {
Self::ImportSample(_) => false,
Self::ExportSample(_) => false,
Self::ImportClip(_) => false,
Self::ExportClip(_) => false,
t => matches!(other, t)
}
}
}
impl Browse {
pub fn new (cwd: Option<PathBuf>) -> Usually<Self> {
let cwd = if let Some(cwd) = cwd { cwd } else { std::env::current_dir()? };
let mut dirs = vec![];
let mut files = vec![];
for entry in std::fs::read_dir(&cwd)? {
let entry = entry?;
let name = entry.file_name();
let decoded = name.clone().into_string().unwrap_or_else(|_|"<unreadable>".to_string());
let meta = entry.metadata()?;
if meta.is_dir() {
dirs.push((name, format!("📁 {decoded}")));
} else if meta.is_file() {
files.push((name, format!("📄 {decoded}")));
}
}
Ok(Self { cwd, dirs, files, ..Default::default() })
}
pub fn len (&self) -> usize {
self.dirs.len() + self.files.len()
}
pub fn is_dir (&self) -> bool {
self.index < self.dirs.len()
}
pub fn is_file (&self) -> bool {
self.index >= self.dirs.len()
}
pub fn path (&self) -> PathBuf {
self.cwd.join(if self.is_dir() {
&self.dirs[self.index].0
} else if self.is_file() {
&self.files[self.index - self.dirs.len()].0
} else {
unreachable!()
})
}
pub fn chdir (&self) -> Usually<Self> {
Self::new(Some(self.path()))
}
}
impl Browse {
fn _todo_stub_path_buf (&self) -> PathBuf {
todo!()
}
fn _todo_stub_usize (&self) -> usize {
todo!()
}
fn _todo_stub_arc_str (&self) -> Arc<str> {
todo!()
}
}
impl HasContent<TuiOut> for Browse {
fn content (&self) -> impl Content<TuiOut> {
Map::south(1, ||EntriesIterator {
offset: 0,
index: 0,
length: self.dirs.len() + self.files.len(),
browser: self,
}, |entry, _index|Fill::X(Align::w(entry)))
}
}
impl<'a> Iterator for EntriesIterator<'a> {
type Item = Modify<&'a str>;
fn next (&mut self) -> Option<Self::Item> {
let dirs = self.browser.dirs.len();
let files = self.browser.files.len();
let index = self.index;
if self.index < dirs {
self.index += 1;
Some(Tui::bold(true, self.browser.dirs[index].1.as_str()))
} else if self.index < dirs + files {
self.index += 1;
Some(Tui::bold(false, self.browser.files[index - dirs].1.as_str()))
} else {
None
}
}
}
impl MidiClip {
pub fn new (
name: impl AsRef<str>,
looped: bool,
length: usize,
notes: Option<MidiData>,
color: Option<ItemTheme>,
) -> Self {
Self {
uuid: uuid::Uuid::new_v4(),
name: name.as_ref().into(),
ppq: PPQ,
length,
notes: notes.unwrap_or(vec![Vec::with_capacity(16);length]),
looped,
loop_start: 0,
loop_length: length,
percussive: true,
color: color.unwrap_or_else(ItemTheme::random)
}
}
pub fn count_midi_messages (&self) -> usize {
let mut count = 0;
for tick in self.notes.iter() {
count += tick.len();
}
count
}
pub fn set_length (&mut self, length: usize) {
self.length = length;
self.notes = vec![Vec::with_capacity(16);length];
}
pub fn duplicate (&self) -> Self {
let mut clone = self.clone();
clone.uuid = uuid::Uuid::new_v4();
clone
}
pub fn toggle_loop (&mut self) { self.looped = !self.looped; }
pub fn record_event (&mut self, pulse: usize, message: MidiMessage) {
if pulse >= self.length { panic!("extend clip first") }
self.notes[pulse].push(message);
}
/// Check if a range `start..end` contains MIDI Note On `k`
pub fn contains_note_on (&self, k: u7, start: usize, end: usize) -> bool {
for events in self.notes[start.max(0)..end.min(self.notes.len())].iter() {
for event in events.iter() {
if let MidiMessage::NoteOn {key,..} = event { if *key == k { return true } }
}
}
false
}
pub fn stop_all () -> Self {
Self::new(
"Stop",
false,
1,
Some(vec![vec![MidiMessage::Controller {
controller: 123.into(),
value: 0.into()
}]]),
Some(ItemColor::from_rgb(Color::Rgb(32, 32, 32)).into())
)
}
}
impl PartialEq for MidiClip {
fn eq (&self, other: &Self) -> bool {
self.uuid == other.uuid
}
}
impl Eq for MidiClip {}
impl MidiClip {
fn _todo_opt_bool_stub_ (&self) -> Option<bool> { todo!() }
fn _todo_bool_stub_ (&self) -> bool { todo!() }
fn _todo_usize_stub_ (&self) -> usize { todo!() }
fn _todo_arc_str_stub_ (&self) -> Arc<str> { todo!() }
fn _todo_item_theme_stub (&self) -> ItemTheme { todo!() }
fn _todo_opt_item_theme_stub (&self) -> Option<ItemTheme> { todo!() }
}
//take!(ClipCommand |state: Arrangement, iter|state.selected_clip().as_ref()
//.map(|t|Take::take(t, iter)).transpose().map(|x|x.flatten()));
impl<T: Has<Clock>> HasClock for T {
fn clock (&self) -> &Clock { self.get() }
fn clock_mut (&mut self) -> &mut Clock { self.get_mut() }
}
impl std::fmt::Debug for Clock {
fn fmt (&self, f: &mut Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
f.debug_struct("Clock")
.field("timebase", &self.timebase)
.field("chunk", &self.chunk)
.field("quant", &self.quant)
.field("sync", &self.sync)
.field("global", &self.global)
.field("playhead", &self.playhead)
.field("started", &self.started)
.finish()
}
}
impl Clock {
pub fn new (jack: &Jack<'static>, bpm: Option<f64>) -> Usually<Self> {
let (chunk, transport) = jack.with_client(|c|(c.buffer_size(), c.transport()));
let timebase = Arc::new(Timebase::default());
let clock = Self {
quant: Arc::new(24.into()),
sync: Arc::new(384.into()),
transport: Arc::new(Some(transport)),
chunk: Arc::new((chunk as usize).into()),
global: Arc::new(Moment::zero(&timebase)),
playhead: Arc::new(Moment::zero(&timebase)),
offset: Arc::new(Moment::zero(&timebase)),
started: RwLock::new(None).into(),
timebase,
midi_in: Arc::new(RwLock::new(Some(MidiInput::new(jack, &"M/clock", &[])?))),
midi_out: Arc::new(RwLock::new(Some(MidiOutput::new(jack, &"clock/M", &[])?))),
click_out: Arc::new(RwLock::new(Some(AudioOutput::new(jack, &"click", &[])?))),
..Default::default()
};
if let Some(bpm) = bpm {
clock.timebase.bpm.set(bpm);
}
Ok(clock)
}
pub fn timebase (&self) -> &Arc<Timebase> {
&self.timebase
}
/// Current sample rate
pub fn sr (&self) -> &SampleRate {
&self.timebase.sr
}
/// Current tempo
pub fn bpm (&self) -> &BeatsPerMinute {
&self.timebase.bpm
}
/// Current MIDI resolution
pub fn ppq (&self) -> &PulsesPerQuaver {
&self.timebase.ppq
}
/// Next pulse that matches launch sync (for phrase switchover)
pub fn next_launch_pulse (&self) -> usize {
let sync = self.sync.get() as usize;
let pulse = self.playhead.pulse.get() as usize;
if pulse % sync == 0 {
pulse
} else {
(pulse / sync + 1) * sync
}
}
/// Start playing, optionally seeking to a given location beforehand
pub fn play_from (&self, start: Option<u32>) -> Usually<()> {
if let Some(transport) = self.transport.as_ref() {
if let Some(start) = start {
transport.locate(start)?;
}
transport.start()?;
}
Ok(())
}
/// Pause, optionally seeking to a given location afterwards
pub fn pause_at (&self, pause: Option<u32>) -> Usually<()> {
if let Some(transport) = self.transport.as_ref() {
transport.stop()?;
if let Some(pause) = pause {
transport.locate(pause)?;
}
}
Ok(())
}
/// Is currently paused?
pub fn is_stopped (&self) -> bool {
self.started.read().unwrap().is_none()
}
/// Is currently playing?
pub fn is_rolling (&self) -> bool {
self.started.read().unwrap().is_some()
}
/// Update chunk size
pub fn set_chunk (&self, n_frames: usize) {
self.chunk.store(n_frames, Relaxed);
}
pub fn update_from_scope (&self, scope: &ProcessScope) -> Usually<()> {
// Store buffer length
self.set_chunk(scope.n_frames() as usize);
// Store reported global frame and usec
let CycleTimes { current_frames, current_usecs, .. } = scope.cycle_times()?;
self.global.sample.set(current_frames as f64);
self.global.usec.set(current_usecs as f64);
let mut started = self.started.write().unwrap();
// If transport has just started or just stopped,
// update starting point:
if let Some(transport) = self.transport.as_ref() {
match (transport.query_state()?, started.as_ref()) {
(TransportState::Rolling, None) => {
let moment = Moment::zero(&self.timebase);
moment.sample.set(current_frames as f64);
moment.usec.set(current_usecs as f64);
*started = Some(moment);
},
(TransportState::Stopped, Some(_)) => {
*started = None;
},
_ => {}
};
}
self.playhead.update_from_sample(started.as_ref()
.map(|started|current_frames as f64 - started.sample.get())
.unwrap_or(0.));
Ok(())
}
pub fn bbt (&self) -> PositionBBT {
let pulse = self.playhead.pulse.get() as i32;
let ppq = self.timebase.ppq.get() as i32;
let bpm = self.timebase.bpm.get();
let bar = (pulse / ppq) / 4;
PositionBBT {
bar: 1 + bar,
beat: 1 + (pulse / ppq) % 4,
tick: (pulse % ppq),
bar_start_tick: (bar * 4 * ppq) as f64,
beat_type: 4.,
beats_per_bar: 4.,
beats_per_minute: bpm,
ticks_per_beat: ppq as f64
}
}
pub fn next_launch_instant (&self) -> Moment {
Moment::from_pulse(self.timebase(), self.next_launch_pulse() as f64)
}
/// Get index of first sample to populate.
///
/// Greater than 0 means that the first pulse of the clip
/// falls somewhere in the middle of the chunk.
pub fn get_sample_offset (&self, scope: &ProcessScope, started: &Moment) -> usize{
(scope.last_frame_time() as usize).saturating_sub(
started.sample.get() as usize +
self.started.read().unwrap().as_ref().unwrap().sample.get() as usize
)
}
// Get iterator that emits sample paired with pulse.
//
// * Sample: index into output buffer at which to write MIDI event
// * Pulse: index into clip from which to take the MIDI event
//
// Emitted for each sample of the output buffer that corresponds to a MIDI pulse.
pub fn get_pulses (&self, scope: &ProcessScope, offset: usize) -> TicksIterator {
self.timebase().pulses_between_samples(offset, offset + scope.n_frames() as usize)
}
}
impl Clock {
fn _todo_provide_u32 (&self) -> u32 {
todo!()
}
fn _todo_provide_opt_u32 (&self) -> Option<u32> {
todo!()
}
fn _todo_provide_f64 (&self) -> f64 {
todo!()
}
}
impl<T: HasClock> Command<T> for ClockCommand {
fn execute (&self, state: &mut T) -> Perhaps<Self> {
self.execute(state.clock_mut()) // awesome
}
}
impl Default for ClockView {
fn default () -> Self {
let mut beat = String::with_capacity(16);
let _ = write!(beat, "{}", Self::BEAT_EMPTY);
let mut time = String::with_capacity(16);
let _ = write!(time, "{}", Self::TIME_EMPTY);
let mut bpm = String::with_capacity(16);
let _ = write!(bpm, "{}", Self::BPM_EMPTY);
Self {
beat: Memo::new(None, beat),
time: Memo::new(None, time),
bpm: Memo::new(None, bpm),
sr: Memo::new(None, String::with_capacity(16)),
buf: Memo::new(None, String::with_capacity(16)),
lat: Memo::new(None, String::with_capacity(16)),
}
}
}
impl ClockView {
pub const BEAT_EMPTY: &'static str = "-.-.--";
pub const TIME_EMPTY: &'static str = "-.---s";
pub const BPM_EMPTY: &'static str = "---.---";
//pub fn track_counter (cache: &Arc<RwLock<Self>>, track: usize, tracks: usize)
//-> Arc<RwLock<String>>
//{
//let data = (track, tracks);
//cache.write().unwrap().trks.update(Some(data), rewrite!(buf, "{}/{}", data.0, data.1));
//cache.read().unwrap().trks.view.clone()
//}
//pub fn scene_add (cache: &Arc<RwLock<Self>>, scene: usize, scenes: usize, is_editing: bool)
//-> impl Content<TuiOut>
//{
//let data = (scene, scenes);
//cache.write().unwrap().scns.update(Some(data), rewrite!(buf, "({}/{})", data.0, data.1));
//button_3("S", "add scene", cache.read().unwrap().scns.view.clone(), is_editing)
//}
pub fn update_clock (cache: &Arc<RwLock<Self>>, clock: &Clock, compact: bool) {
let rate = clock.timebase.sr.get();
let chunk = clock.chunk.load(Relaxed) as f64;
let lat = chunk / rate * 1000.;
let delta = |start: &Moment|clock.global.usec.get() - start.usec.get();
let mut cache = cache.write().unwrap();
cache.buf.update(Some(chunk), rewrite!(buf, "{chunk}"));
cache.lat.update(Some(lat), rewrite!(buf, "{lat:.1}ms"));
cache.sr.update(Some((compact, rate)), |buf,_,_|{
buf.clear();
if compact {
write!(buf, "{:.1}kHz", rate / 1000.)
} else {
write!(buf, "{:.0}Hz", rate)
}
});
if let Some(now) = clock.started.read().unwrap().as_ref().map(delta) {
let pulse = clock.timebase.usecs_to_pulse(now);
let time = now/1000000.;
let bpm = clock.timebase.bpm.get();
cache.beat.update(Some(pulse), |buf, _, _|{
buf.clear();
clock.timebase.format_beats_1_to(buf, pulse)
});
cache.time.update(Some(time), rewrite!(buf, "{:.3}s", time));
cache.bpm.update(Some(bpm), rewrite!(buf, "{:.3}", bpm));
} else {
cache.beat.update(None, rewrite!(buf, "{}", ClockView::BEAT_EMPTY));
cache.time.update(None, rewrite!(buf, "{}", ClockView::TIME_EMPTY));
cache.bpm.update(None, rewrite!(buf, "{}", ClockView::BPM_EMPTY));
}
}
//pub fn view_h2 (&self) -> impl Content<TuiOut> {
//let cache = self.project.clock.view_cache.clone();
//let cache = cache.read().unwrap();
//add(&Fixed::x(15, Align::w(Bsp::s(
//FieldH(theme, "Beat", cache.beat.view.clone()),
//FieldH(theme, "Time", cache.time.view.clone()),
//))));
//add(&Fixed::x(13, Align::w(Bsp::s(
//Fill::X(Align::w(FieldH(theme, "BPM", cache.bpm.view.clone()))),
//Fill::X(Align::w(FieldH(theme, "SR ", cache.sr.view.clone()))),
//))));
//add(&Fixed::x(12, Align::w(Bsp::s(
//Fill::X(Align::w(FieldH(theme, "Buf", cache.buf.view.clone()))),
//Fill::X(Align::w(FieldH(theme, "Lat", cache.lat.view.clone()))),
//))));
//add(&Bsp::s(
//Fill::X(Align::w(FieldH(theme, "Selected", Align::w(self.selection().describe(
//self.tracks(),
//self.scenes()
//))))),
//Fill::X(Align::w(FieldH(theme, format!("History ({})", self.history.len()),
//self.history.last().map(|last|Fill::X(Align::w(format!("{:?}", last.0)))))))
//));
////if let Some(last) = self.history.last() {
////add(&FieldV(theme, format!("History ({})", self.history.len()),
////Fill::X(Align::w(format!("{:?}", last.0)))));
////}
//}
}
impl<T: Has<Option<MidiEditor>>> HasEditor for T {}
has!(Measure<TuiOut>: |self: MidiEditor|self.size);
impl Default for MidiEditor {
fn default () -> Self {
Self {
size: Measure::new(0, 0),
mode: PianoHorizontal::new(None),
}
}
}
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;
model.redraw();
model
});
impl MidiEditor {
/// Put note at current position
pub fn put_note (&mut self, advance: bool) {
let mut redraw = false;
if let Some(clip) = self.clip() {
let mut clip = clip.write().unwrap();
let note_start = self.get_time_pos();
let note_pos = self.get_note_pos();
let note_len = self.get_note_len();
let note_end = note_start + (note_len.saturating_sub(1));
let key: u7 = u7::from(note_pos as u8);
let vel: u7 = 100.into();
let length = clip.length;
let note_end = note_end % length;
let note_on = MidiMessage::NoteOn { key, vel };
if !clip.notes[note_start].iter().any(|msg|*msg == note_on) {
clip.notes[note_start].push(note_on);
}
let note_off = MidiMessage::NoteOff { key, vel };
if !clip.notes[note_end].iter().any(|msg|*msg == note_off) {
clip.notes[note_end].push(note_off);
}
if advance {
self.set_time_pos((note_end + 1) % clip.length);
}
redraw = true;
}
if redraw {
self.mode.redraw();
}
}
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() }
fn note_pos (&self) -> usize { self.get_note_pos() }
fn note_pos_next (&self) -> usize { self.get_note_pos() + 1 }
fn note_pos_next_octave (&self) -> usize { self.get_note_pos() + 12 }
fn note_pos_prev (&self) -> usize { self.get_note_pos().saturating_sub(1) }
fn note_pos_prev_octave (&self) -> usize { self.get_note_pos().saturating_sub(12) }
fn note_len (&self) -> usize { self.get_note_len() }
fn note_len_next (&self) -> usize { self.get_note_len() + 1 }
fn note_len_prev (&self) -> usize { self.get_note_len().saturating_sub(1) }
fn note_range (&self) -> usize { self.get_note_axis() }
fn note_range_next (&self) -> usize { self.get_note_axis() + 1 }
fn note_range_prev (&self) -> usize { self.get_note_axis().saturating_sub(1) }
fn time_zoom (&self) -> usize { self.get_time_zoom() }
fn time_zoom_next (&self) -> usize { self.get_time_zoom() + 1 }
fn time_zoom_next_fine (&self) -> usize { self.get_time_zoom() + 1 }
fn time_zoom_prev (&self) -> usize { self.get_time_zoom().saturating_sub(1).max(1) }
fn time_zoom_prev_fine (&self) -> usize { self.get_time_zoom().saturating_sub(1).max(1) }
fn time_lock (&self) -> bool { self.get_time_lock() }
fn time_lock_toggled (&self) -> bool { !self.get_time_lock() }
fn time_pos (&self) -> usize { self.get_time_pos() }
fn time_pos_next (&self) -> usize { (self.get_time_pos() + self.get_note_len()) % self.clip_length() }
fn time_pos_next_fine (&self) -> usize { (self.get_time_pos() + 1) % self.clip_length() }
fn time_pos_prev (&self) -> usize {
let step = self.get_note_len();
self.get_time_pos().overflowing_sub(step)
.0.min(self.clip_length().saturating_sub(step))
}
fn time_pos_prev_fine (&self) -> usize {
self.get_time_pos().overflowing_sub(1)
.0.min(self.clip_length().saturating_sub(1))
}
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)
} else { (ItemTheme::G[64], String::new().into(), 0, false) };
Fixed::X(20, col!(
Fill::X(Align::w(Bsp::e(
button_2("f2", "name ", false),
Fill::X(Align::e(Tui::fg(Rgb(255, 255, 255), format!("{name} "))))))),
Fill::X(Align::w(Bsp::e(
button_2("l", "ength ", false),
Fill::X(Align::e(Tui::fg(Rgb(255, 255, 255), format!("{length} "))))))),
Fill::X(Align::w(Bsp::e(
button_2("r", "epeat ", false),
Fill::X(Align::e(Tui::fg(Rgb(255, 255, 255), format!("{looped} "))))))),
))
}
pub fn edit_status (&self) -> impl Content<TuiOut> + '_ {
let (_color, length) = if let Some(clip) = self.clip().as_ref().map(|p|p.read().unwrap()) {
(clip.color, clip.length)
} else { (ItemTheme::G[64], 0) };
let time_pos = self.get_time_pos();
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_pos = format!("{:>3}", note_pos);
let note_len = format!("{:>4}", self.get_note_len());
Fixed::X(20, col!(
Fill::X(Align::w(Bsp::e(
button_2("t", "ime ", false),
Fill::X(Align::e(Tui::fg(Rgb(255, 255, 255),
format!("{length} /{time_zoom} +{time_pos} "))))))),
Fill::X(Align::w(Bsp::e(
button_2("z", "lock ", false),
Fill::X(Align::e(Tui::fg(Rgb(255, 255, 255),
format!("{time_lock}"))))))),
Fill::X(Align::w(Bsp::e(
button_2("x", "note ", false),
Fill::X(Align::e(Tui::fg(Rgb(255, 255, 255),
format!("{note_name} {note_pos} {note_len}"))))))),
))
}
}
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) }
}
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 = MidiSelection::from((12, true));
range.time_axis = size.x.clone();
range.note_axis = size.y.clone();
let piano = Self {
keys_width: 5,
size,
range,
buffer: RwLock::new(Default::default()).into(),
point: MidiCursor::default(),
clip: clip.cloned(),
color: clip.as_ref().map(|p|p.read().unwrap().color).unwrap_or(ItemTheme::G[64]),
};
piano.redraw();
piano
}
}
impl Draw<TuiOut> for PianoHorizontal {
fn draw (&self, to: &mut TuiOut) { self.content().draw(to) }
}
impl Layout<TuiOut> for PianoHorizontal {
fn layout (&self, to: XYWH<u16>) -> XYWH<u16> { self.content().layout(to) }
}
impl HasContent<TuiOut> for PianoHorizontal {
fn content (&self) -> impl Content<TuiOut> {
Bsp::s(
Bsp::e(Fixed::X(5, format!("{}x{}", self.size.w(), self.size.h())), self.timeline()),
Bsp::e(self.keys(), self.size.of(Bsp::b(Fill::XY(self.notes()), Fill::XY(self.cursor())))),
)
}
}
impl PianoHorizontal {
/// Draw the piano roll background.
///
/// This mode uses full blocks on note on and half blocks on legato: █▄ █▄ █▄
fn draw_bg (buf: &mut BigBuffer, clip: &MidiClip, zoom: usize, note_len: usize, note_point: usize, time_point: usize) {
for (y, note) in (0..=127).rev().enumerate() {
for (x, time) in (0..buf.width).map(|x|(x, x*zoom)) {
let cell = buf.get_mut(x, y).unwrap();
if note == (127-note_point) || time == time_point {
cell.set_bg(Rgb(0,0,0));
} else {
cell.set_bg(clip.color.darkest.rgb);
}
if time % 384 == 0 {
cell.set_fg(clip.color.darker.rgb);
cell.set_char('│');
} else if time % 96 == 0 {
cell.set_fg(clip.color.dark.rgb);
cell.set_char('╎');
} else if time % note_len == 0 {
cell.set_fg(clip.color.darker.rgb);
cell.set_char('┊');
} else if (127 - note) % 12 == 0 {
cell.set_fg(clip.color.darker.rgb);
cell.set_char('=');
} else if (127 - note) % 6 == 0 {
cell.set_fg(clip.color.darker.rgb);
cell.set_char('—');
} else {
cell.set_fg(clip.color.darker.rgb);
cell.set_char('·');
}
}
}
}
/// Draw the piano roll foreground.
///
/// This mode uses full blocks on note on and half blocks on legato: █▄ █▄ █▄
fn draw_fg (buf: &mut BigBuffer, clip: &MidiClip, zoom: usize) {
let style = Style::default().fg(clip.color.base.rgb);//.bg(Rgb(0, 0, 0));
let mut notes_on = [false;128];
for (x, time_start) in (0..clip.length).step_by(zoom).enumerate() {
for (_y, note) in (0..=127).rev().enumerate() {
if let Some(cell) = buf.get_mut(x, note) {
if notes_on[note] {
cell.set_char('▂');
cell.set_style(style);
}
}
}
let time_end = time_start + zoom;
for time in time_start..time_end.min(clip.length) {
for event in clip.notes[time].iter() {
match event {
MidiMessage::NoteOn { key, .. } => {
let note = key.as_int() as usize;
if let Some(cell) = buf.get_mut(x, note) {
cell.set_char('█');
cell.set_style(style);
}
notes_on[note] = true
},
MidiMessage::NoteOff { key, .. } => {
notes_on[key.as_int() as usize] = false
},
_ => {}
}
}
}
}
}
fn notes (&self) -> impl Content<TuiOut> {
let time_start = self.get_time_start();
let note_lo = self.get_note_lo();
let note_hi = self.get_note_hi();
let buffer = self.buffer.clone();
Thunk::new(move|to: &mut TuiOut|{
let source = buffer.read().unwrap();
let XYWH(x0, y0, w, _h) = to.area();
//if h as usize != note_axis {
//panic!("area height mismatch: {h} <> {note_axis}");
//}
for (area_x, screen_x) in (x0..x0+w).enumerate() {
for (area_y, screen_y, _note) in note_y_iter(note_lo, note_hi, y0) {
let source_x = time_start + area_x;
let source_y = note_hi - area_y;
// TODO: enable loop rollover:
//let source_x = (time_start + area_x) % source.width.max(1);
//let source_y = (note_hi - area_y) % source.height.max(1);
let is_in_x = source_x < source.width;
let is_in_y = source_y < source.height;
if is_in_x && is_in_y {
if let Some(source_cell) = source.get(source_x, source_y) {
if let Some(cell) = to.buffer.cell_mut(ratatui::prelude::Position::from((screen_x, screen_y))) {
*cell = source_cell.clone();
}
}
}
}
}
})
}
fn cursor (&self) -> impl Content<TuiOut> {
let note_hi = self.get_note_hi();
let note_lo = self.get_note_lo();
let note_pos = self.get_note_pos();
let note_len = self.get_note_len();
let time_pos = self.get_time_pos();
let time_start = self.get_time_start();
let time_zoom = self.get_time_zoom();
let style = Some(Style::default().fg(self.color.lightest.rgb));
Thunk::new(move|to: &mut TuiOut|{
let XYWH(x0, y0, w, _) = to.area();
for (_area_y, screen_y, note) in note_y_iter(note_lo, note_hi, y0) {
if note == note_pos {
for x in 0..w {
let screen_x = x0 + x;
let time_1 = time_start + x as usize * time_zoom;
let time_2 = time_1 + time_zoom;
if time_1 <= time_pos && time_pos < time_2 {
to.blit(&"█", screen_x, screen_y, style);
let tail = note_len as u16 / time_zoom as u16;
for x_tail in (screen_x + 1)..(screen_x + tail) {
to.blit(&"▂", x_tail, screen_y, style);
}
break
}
}
break
}
}
})
}
fn keys (&self) -> impl Content<TuiOut> {
let state = self;
let color = state.color;
let note_lo = state.get_note_lo();
let note_hi = state.get_note_hi();
let note_pos = state.get_note_pos();
let key_style = Some(Style::default().fg(Rgb(192, 192, 192)).bg(Rgb(0, 0, 0)));
let off_style = Some(Style::default().fg(Tui::g(255)));
let on_style = Some(Style::default().fg(Rgb(255,0,0)).bg(color.base.rgb).bold());
Fill::Y(Fixed::X(self.keys_width, Thunk::new(move|to: &mut TuiOut|{
let XYWH(x, y0, _w, _h) = to.area();
for (_area_y, screen_y, note) in note_y_iter(note_lo, note_hi, y0) {
to.blit(&to_key(note), x, screen_y, key_style);
if note > 127 {
continue
}
if note == note_pos {
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)
};
}
})))
}
fn timeline (&self) -> impl Content<TuiOut> + '_ {
Fill::X(Fixed::Y(1, Thunk::new(move|to: &mut TuiOut|{
let XYWH(x, y, w, _h) = to.area();
let style = Some(Style::default().dim());
let length = self.clip.as_ref().map(|p|p.read().unwrap().length).unwrap_or(1);
for (area_x, screen_x) in (0..w).map(|d|(d, d+x)) {
let t = area_x as usize * self.time_zoom().get();
if t < length {
to.blit(&"|", screen_x, y, style);
}
}
})))
}
}
impl TimeRange for PianoHorizontal {
fn time_len (&self) -> &AtomicUsize { self.range.time_len() }
fn time_zoom (&self) -> &AtomicUsize { self.range.time_zoom() }
fn time_lock (&self) -> &AtomicBool { self.range.time_lock() }
fn time_start (&self) -> &AtomicUsize { self.range.time_start() }
fn time_axis (&self) -> &AtomicUsize { self.range.time_axis() }
}
impl NoteRange for PianoHorizontal {
fn note_lo (&self) -> &AtomicUsize { self.range.note_lo() }
fn note_axis (&self) -> &AtomicUsize { self.range.note_axis() }
}
impl NotePoint for PianoHorizontal {
fn note_len (&self) -> &AtomicUsize { self.point.note_len() }
fn note_pos (&self) -> &AtomicUsize { self.point.note_pos() }
}
impl TimePoint for PianoHorizontal {
fn time_pos (&self) -> &AtomicUsize { self.point.time_pos() }
}
impl MidiViewer for PianoHorizontal {
fn clip (&self) -> &Option<Arc<RwLock<MidiClip>>> { &self.clip }
fn clip_mut (&mut self) -> &mut Option<Arc<RwLock<MidiClip>>> { &mut self.clip }
/// Determine the required space to render the clip.
fn buffer_size (&self, clip: &MidiClip) -> (usize, usize) { (clip.length / self.range.time_zoom().get(), 128) }
fn redraw (&self) {
*self.buffer.write().unwrap() = if let Some(clip) = self.clip.as_ref() {
let clip = clip.read().unwrap();
let buf_size = self.buffer_size(&clip);
let mut buffer = BigBuffer::from(buf_size);
let time_zoom = self.get_time_zoom();
self.time_len().set(clip.length);
PianoHorizontal::draw_bg(&mut buffer, &clip, time_zoom,self.get_note_len(), self.get_note_pos(), self.get_time_pos());
PianoHorizontal::draw_fg(&mut buffer, &clip, time_zoom);
buffer
} else {
Default::default()
}
}
fn set_clip (&mut self, clip: Option<&Arc<RwLock<MidiClip>>>) {
*self.clip_mut() = clip.cloned();
self.color = clip.map(|p|p.read().unwrap().color).unwrap_or(ItemTheme::G[64]);
self.redraw();
}
}
impl std::fmt::Debug for PianoHorizontal {
fn fmt (&self, f: &mut Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
let buffer = self.buffer.read().unwrap();
f.debug_struct("PianoHorizontal")
.field("time_zoom", &self.range.time_zoom)
.field("buffer", &format!("{}x{}", buffer.width, buffer.height))
.finish()
}
}
impl Default for OctaveVertical {
fn default () -> Self {
Self { on: [false; 12], colors: [Rgb(255,255,255), Rgb(0,0,0), Rgb(255,0,0)] }
}
}
impl OctaveVertical {
fn color (&self, pitch: usize) -> Color {
let pitch = pitch % 12;
self.colors[if self.on[pitch] { 2 } else { match pitch { 0 | 2 | 4 | 5 | 6 | 8 | 10 => 0, _ => 1 } }]
}
}
impl HasContent<TuiOut> for OctaveVertical {
fn content (&self) -> impl Content<TuiOut> + '_ {
row!(
Tui::fg_bg(self.color(0), self.color(1), "▙"),
Tui::fg_bg(self.color(2), self.color(3), "▙"),
Tui::fg_bg(self.color(4), self.color(5), "▌"),
Tui::fg_bg(self.color(6), self.color(7), "▟"),
Tui::fg_bg(self.color(8), self.color(9), "▟"),
Tui::fg_bg(self.color(10), self.color(11), "▟"),
)
}
}
impl Lv2 {
pub fn new (
jack: &Jack<'static>,
name: &str,
uri: &str,
) -> Usually<Self> {
let lv2_world = livi::World::with_load_bundle(&uri);
let lv2_features = lv2_world.build_features(livi::FeaturesBuilder {
min_block_length: 1,
max_block_length: 65536,
});
let lv2_plugin = lv2_world.iter_plugins().nth(0)
.unwrap_or_else(||panic!("plugin not found: {uri}"));
Ok(Self {
jack: jack.clone(),
name: name.into(),
path: Some(String::from(uri).into()),
selected: 0,
mapping: false,
midi_ins: vec![],
midi_outs: vec![],
audio_ins: vec![],
audio_outs: vec![],
lv2_instance: unsafe {
lv2_plugin
.instantiate(lv2_features.clone(), 48000.0)
.expect(&format!("instantiate failed: {uri}"))
},
lv2_port_list: lv2_plugin.ports().collect::<Vec<_>>(),
lv2_input_buffer: Vec::with_capacity(Self::INPUT_BUFFER),
lv2_ui_thread: None,
lv2_world,
lv2_features,
lv2_plugin,
})
}
const INPUT_BUFFER: usize = 1024;
}
fn lv2_jack_process (
Lv2 {
midi_ins, midi_outs, audio_ins, audio_outs,
lv2_features, lv2_instance, lv2_input_buffer, ..
}: &mut Lv2,
_client: &Client,
scope: &ProcessScope
) -> Control {
let urid = lv2_features.midi_urid();
lv2_input_buffer.clear();
for port in midi_ins.iter() {
let mut atom = ::livi::event::LV2AtomSequence::new(
&lv2_features,
scope.n_frames() as usize
);
for event in port.iter(scope) {
match event.bytes.len() {
3 => atom.push_midi_event::<3>(
event.time as i64,
urid,
&event.bytes[0..3]
).unwrap(),
_ => {}
}
}
lv2_input_buffer.push(atom);
}
let mut outputs = vec![];
for _ in midi_outs.iter() {
outputs.push(::livi::event::LV2AtomSequence::new(
lv2_features,
scope.n_frames() as usize
));
}
let ports = ::livi::EmptyPortConnections::new()
.with_atom_sequence_inputs(lv2_input_buffer.iter())
.with_atom_sequence_outputs(outputs.iter_mut())
.with_audio_inputs(audio_ins.iter().map(|o|o.as_slice(scope)))
.with_audio_outputs(audio_outs.iter_mut().map(|o|o.as_mut_slice(scope)));
unsafe {
lv2_instance.run(scope.n_frames() as usize, ports).unwrap()
};
Control::Continue
}
impl Draw<TuiOut> for Lv2 {
fn draw (&self, to: &mut TuiOut) {
let area = to.area();
let XYWH(x, y, _, height) = area;
let mut width = 20u16;
let start = self.selected.saturating_sub((height as usize / 2).saturating_sub(1));
let end = start + height as usize - 2;
//draw_box(buf, Rect { x, y, width, height });
for i in start..end {
if let Some(port) = self.lv2_port_list.get(i) {
let value = if let Some(value) = self.lv2_instance.control_input(port.index) {
value
} else {
port.default_value
};
//let label = &format!("C·· M·· {:25} = {value:.03}", port.name);
let label = &format!("{:25} = {value:.03}", port.name);
width = width.max(label.len() as u16 + 4);
let style = if i == self.selected {
Some(Style::default().green())
} else {
None
} ;
to.blit(&label, x + 2, y + 1 + i as u16 - start as u16, style);
} else {
break
}
}
draw_header(self, to, x, y, width);
}
}
#[cfg(feature = "lv2_gui")]
impl LV2PluginUI {
pub fn new () -> Usually<Self> {
Ok(Self { window: None })
}
}
#[cfg(feature = "lv2_gui")]
impl ApplicationHandler for LV2PluginUI {
fn resumed (&mut self, event_loop: &ActiveEventLoop) {
self.window = Some(event_loop.create_window(Window::default_attributes()).unwrap());
}
fn window_event (&mut self, event_loop: &ActiveEventLoop, id: WindowId, event: WindowEvent) {
match event {
WindowEvent::CloseRequested => {
self.window.as_ref().unwrap().set_visible(false);
event_loop.exit();
},
WindowEvent::RedrawRequested => {
self.window.as_ref().unwrap().request_redraw();
}
_ => (),
}
}
}
impl Layout<TuiOut> for RmsMeter {}
impl Draw<TuiOut> for RmsMeter {
fn draw (&self, to: &mut TuiOut) {
let XYWH(x, y, w, h) = to.area();
let signal = f32::max(0.0, f32::min(100.0, self.0.abs()));
let v = (signal * h as f32).ceil() as u16;
let y2 = y + h;
//to.blit(&format!("\r{v} {} {signal}", self.0), x * 30, y, Some(Style::default()));
for y in y..(y + v) {
for x in x..(x + w) {
to.blit(&"▌", x, y2.saturating_sub(y), Some(Style::default().green()));
}
}
}
}
impl Layout<TuiOut> for Log10Meter {}
impl Draw<TuiOut> for Log10Meter {
fn draw (&self, to: &mut TuiOut) {
let XYWH(x, y, w, h) = to.area();
let signal = 100.0 - f32::max(0.0, f32::min(100.0, self.0.abs()));
let v = (signal * h as f32 / 100.0).ceil() as u16;
let y2 = y + h;
//to.blit(&format!("\r{v} {} {signal}", self.0), x * 20, y, None);
for y in y..(y + v) {
for x in x..(x + w) {
to.blit(&"▌", x, y2 - y, Some(Style::default().green()));
}
}
}
}
impl Default for Pool {
fn default () -> Self {
//use PoolMode::*;
Self {
clip: 0.into(),
mode: None,
visible: true,
#[cfg(feature = "clip")] clips: Arc::from(RwLock::from(vec![])),
#[cfg(feature = "sampler")] samples: Arc::from(RwLock::from(vec![])),
#[cfg(feature = "browse")] browse: None,
}
}
}
impl Pool {
pub fn clip_index (&self) -> usize {
self.clip.load(Relaxed)
}
pub fn set_clip_index (&self, value: usize) {
self.clip.store(value, Relaxed);
}
pub fn mode (&self) -> &Option<PoolMode> {
&self.mode
}
pub fn mode_mut (&mut self) -> &mut Option<PoolMode> {
&mut self.mode
}
pub fn begin_clip_length (&mut self) {
let length = self.clips()[self.clip_index()].read().unwrap().length;
*self.mode_mut() = Some(PoolMode::Length(
self.clip_index(),
length,
ClipLengthFocus::Bar
));
}
pub fn begin_clip_rename (&mut self) {
let name = self.clips()[self.clip_index()].read().unwrap().name.clone();
*self.mode_mut() = Some(PoolMode::Rename(
self.clip_index(),
name
));
}
pub fn begin_import (&mut self) -> Usually<()> {
*self.mode_mut() = Some(PoolMode::Import(
self.clip_index(),
Browse::new(None)?
));
Ok(())
}
pub fn begin_export (&mut self) -> Usually<()> {
*self.mode_mut() = Some(PoolMode::Export(
self.clip_index(),
Browse::new(None)?
));
Ok(())
}
pub fn new_clip (&self) -> MidiClip {
MidiClip::new("Clip", true, 4 * PPQ, None, Some(ItemTheme::random()))
}
pub fn cloned_clip (&self) -> MidiClip {
let index = self.clip_index();
let mut clip = self.clips()[index].read().unwrap().duplicate();
clip.color = ItemTheme::random_near(clip.color, 0.25);
clip
}
pub fn add_new_clip (&self) -> (usize, Arc<RwLock<MidiClip>>) {
let clip = Arc::new(RwLock::new(self.new_clip()));
let index = {
let mut clips = self.clips.write().unwrap();
clips.push(clip.clone());
clips.len().saturating_sub(1)
};
self.clip.store(index, Relaxed);
(index, clip)
}
pub fn delete_clip (&mut self, clip: &MidiClip) -> bool {
let index = self.clips.read().unwrap().iter().position(|x|*x.read().unwrap()==*clip);
if let Some(index) = index {
self.clips.write().unwrap().remove(index);
return true
}
false
}
}
impl ClipLengthFocus {
pub fn next (&mut self) {
use ClipLengthFocus::*;
*self = match self { Bar => Beat, Beat => Tick, Tick => Bar, }
}
pub fn prev (&mut self) {
use ClipLengthFocus::*;
*self = match self { Bar => Tick, Beat => Bar, Tick => Beat, }
}
}
impl ClipLength {
pub fn _new (pulses: usize, focus: Option<ClipLengthFocus>) -> Self {
Self { ppq: PPQ, bpb: 4, pulses, focus }
}
pub fn bars (&self) -> usize {
self.pulses / (self.bpb * self.ppq)
}
pub fn beats (&self) -> usize {
(self.pulses % (self.bpb * self.ppq)) / self.ppq
}
pub fn ticks (&self) -> usize {
self.pulses % self.ppq
}
pub fn bars_string (&self) -> Arc<str> {
format!("{}", self.bars()).into()
}
pub fn beats_string (&self) -> Arc<str> {
format!("{}", self.beats()).into()
}
pub fn ticks_string (&self) -> Arc<str> {
format!("{:>02}", self.ticks()).into()
}
}
#[macro_export] macro_rules! has_clips {
(|$self:ident:$Struct:ident$(<$($L:lifetime),*$($T:ident$(:$U:path)?),*>)?|$cb:expr) => {
impl $(<$($L),*$($T $(: $U)?),*>)? HasClips for $Struct $(<$($L),*$($T),*>)? {
fn clips <'a> (&'a $self) -> std::sync::RwLockReadGuard<'a, ClipPool> {
$cb.read().unwrap()
}
fn clips_mut <'a> (&'a $self) -> std::sync::RwLockWriteGuard<'a, ClipPool> {
$cb.write().unwrap()
}
}
}
}
has_clips!(|self: Pool|self.clips);
has_clip!(|self: Pool|self.clips().get(self.clip_index()).map(|c|c.clone()));
from!(Pool: |clip:&Arc<RwLock<MidiClip>>|{
let model = Self::default();
model.clips.write().unwrap().push(clip.clone());
model.clip.store(1, Relaxed);
model
});
impl Pool {
fn _todo_usize_ (&self) -> usize { todo!() }
fn _todo_bool_ (&self) -> bool { todo!() }
fn _todo_clip_ (&self) -> MidiClip { todo!() }
fn _todo_path_ (&self) -> PathBuf { todo!() }
fn _todo_color_ (&self) -> ItemColor { todo!() }
fn _todo_str_ (&self) -> Arc<str> { todo!() }
fn clip_new (&self) -> MidiClip { self.new_clip() }
fn clip_cloned (&self) -> MidiClip { self.cloned_clip() }
fn clip_index_current (&self) -> usize { 0 }
fn clip_index_after (&self) -> usize { 0 }
fn clip_index_previous (&self) -> usize { 0 }
fn clip_index_next (&self) -> usize { 0 }
fn color_random (&self) -> ItemColor { ItemColor::random() }
}
impl<'a> HasContent<TuiOut> for PoolView<'a> {
fn content (&self) -> impl Content<TuiOut> {
let Self(pool) = self;
//let color = self.1.clip().map(|c|c.read().unwrap().color).unwrap_or_else(||Tui::g(32).into());
//let on_bg = |x|x;//Bsp::b(Repeat(" "), Tui::bg(color.darkest.rgb, x));
//let border = |x|x;//Outer(Style::default().fg(color.dark.rgb).bg(color.darkest.rgb)).enclose(x);
//let height = pool.clips.read().unwrap().len() as u16;
Fixed::X(20, Fill::Y(Align::n(Map::new(
||pool.clips().clone().into_iter(),
move|clip: Arc<RwLock<MidiClip>>, i: usize|{
let item_height = 1;
let item_offset = i as u16 * item_height;
let selected = i == pool.clip_index();
let MidiClip { ref name, color, length, .. } = *clip.read().unwrap();
let bg = if selected { color.light.rgb } else { color.base.rgb };
let fg = color.lightest.rgb;
let name = if false { format!(" {i:>3}") } else { format!(" {i:>3} {name}") };
let length = if false { String::default() } else { format!("{length} ") };
Fixed::Y(1, map_south(item_offset, item_height, Tui::bg(bg, lay!(
Fill::X(Align::w(Tui::fg(fg, Tui::bold(selected, name)))),
Fill::X(Align::e(Tui::fg(fg, Tui::bold(selected, length)))),
Fill::X(Align::w(When::new(selected, Tui::bold(true, Tui::fg(Tui::g(255), "▶"))))),
Fill::X(Align::e(When::new(selected, Tui::bold(true, Tui::fg(Tui::g(255), "◀"))))),
))))
}))))
}
}
impl HasContent<TuiOut> for ClipLength {
fn content (&self) -> impl Content<TuiOut> + '_ {
use ClipLengthFocus::*;
let bars = ||self.bars_string();
let beats = ||self.beats_string();
let ticks = ||self.ticks_string();
match self.focus {
None => row!(" ", bars(), ".", beats(), ".", ticks()),
Some(Bar) => row!("[", bars(), "]", beats(), ".", ticks()),
Some(Beat) => row!(" ", bars(), "[", beats(), "]", ticks()),
Some(Tick) => row!(" ", bars(), ".", beats(), "[", ticks()),
}
}
}
impl<J: HasJack<'static>> RegisterPorts for J {
fn midi_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiInput> {
MidiInput::new(self.jack(), name, connect)
}
fn midi_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<MidiOutput> {
MidiOutput::new(self.jack(), name, connect)
}
fn audio_in (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioInput> {
AudioInput::new(self.jack(), name, connect)
}
fn audio_out (&self, name: &impl AsRef<str>, connect: &[Connect]) -> Usually<AudioOutput> {
AudioOutput::new(self.jack(), name, connect)
}
}
//take!(MidiInputCommand |state: Arrangement, iter|state.selected_midi_in().as_ref()
//.map(|t|Take::take(t, iter)).transpose().map(|x|x.flatten()));
//take!(MidiOutputCommand |state: Arrangement, iter|state.selected_midi_out().as_ref()
//.map(|t|Take::take(t, iter)).transpose().map(|x|x.flatten()));
impl Connect {
pub fn collect (exact: &[impl AsRef<str>], re: &[impl AsRef<str>], re_all: &[impl AsRef<str>])
-> Vec<Self>
{
let mut connections = vec![];
for port in exact.iter() { connections.push(Self::exact(port)) }
for port in re.iter() { connections.push(Self::regexp(port)) }
for port in re_all.iter() { connections.push(Self::regexp_all(port)) }
connections
}
/// Connect to this exact port
pub fn exact (name: impl AsRef<str>) -> Self {
let info = format!("=:{}", name.as_ref()).into();
let name = Some(Exact(name.as_ref().into()));
Self { name, scope: Some(One), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn regexp (name: impl AsRef<str>) -> Self {
let info = format!("~:{}", name.as_ref()).into();
let name = Some(RegExp(name.as_ref().into()));
Self { name, scope: Some(One), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn regexp_all (name: impl AsRef<str>) -> Self {
let info = format!("+:{}", name.as_ref()).into();
let name = Some(RegExp(name.as_ref().into()));
Self { name, scope: Some(All), status: Arc::new(RwLock::new(vec![])), info }
}
pub fn info (&self) -> Arc<str> {
format!(" ({}) {} {}", {
let status = self.status.read().unwrap();
let mut ok = 0;
for (_, _, state) in status.iter() {
if *state == Connected {
ok += 1
}
}
format!("{ok}/{}", status.len())
}, match self.scope {
None => "x",
Some(One) => " ",
Some(All) => "*",
}, match &self.name {
None => format!("x"),
Some(Exact(name)) => format!("= {name}"),
Some(RegExp(name)) => format!("~ {name}"),
}).into()
}
}
impl HasJack<'static> for MidiInput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl JackPort for MidiInput {
type Port = MidiIn;
type Pair = MidiOut;
fn port_name (&self) -> &Arc<str> {
&self.name
}
fn port (&self) -> &Port<Self::Port> {
&self.port
}
fn port_mut (&mut self) -> &mut Port<Self::Port> {
&mut self.port
}
fn into_port (self) -> Port<Self::Port> {
self.port
}
fn connections (&self) -> &[Connect] {
self.connections.as_slice()
}
fn new (jack: &Jack<'static>, name: &impl AsRef<str>, connect: &[Connect])
-> Usually<Self> where Self: Sized
{
let port = Self {
port: Self::register(jack, name)?,
jack: jack.clone(),
name: name.as_ref().into(),
connections: connect.to_vec(),
held: Arc::new(RwLock::new([false;128]))
};
port.connect_to_matching()?;
Ok(port)
}
}
impl MidiInput {
pub fn parsed <'a> (&'a self, scope: &'a ProcessScope) -> impl Iterator<Item=(usize, LiveEvent<'a>, &'a [u8])> {
parse_midi_input(self.port().iter(scope))
}
}
impl<T: Has<Vec<MidiInput>>> HasMidiIns for T {
fn midi_ins (&self) -> &Vec<MidiInput> {
self.get()
}
fn midi_ins_mut (&mut self) -> &mut Vec<MidiInput> {
self.get_mut()
}
}
impl<T: HasMidiIns + HasJack<'static>> AddMidiIn for T {
fn midi_in_add (&mut self) -> Usually<()> {
let index = self.midi_ins().len();
let port = MidiInput::new(self.jack(), &format!("M/{index}"), &[])?;
self.midi_ins_mut().push(port);
Ok(())
}
}
impl HasJack<'static> for MidiOutput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl JackPort for MidiOutput {
type Port = MidiOut;
type Pair = MidiIn;
fn port_name (&self) -> &Arc<str> {
&self.name
}
fn port (&self) -> &Port<Self::Port> {
&self.port
}
fn port_mut (&mut self) -> &mut Port<Self::Port> {
&mut self.port
}
fn into_port (self) -> Port<Self::Port> {
self.port
}
fn connections (&self) -> &[Connect] {
self.connections.as_slice()
}
fn new (jack: &Jack<'static>, name: &impl AsRef<str>, connect: &[Connect])
-> Usually<Self> where Self: Sized
{
let port = Self::register(jack, name)?;
let jack = jack.clone();
let name = name.as_ref().into();
let connections = connect.to_vec();
let port = Self {
jack,
port,
name,
connections,
held: Arc::new([false;128].into()),
note_buffer: vec![0;8],
output_buffer: vec![vec![];65536],
};
port.connect_to_matching()?;
Ok(port)
}
}
impl MidiOutput {
/// Clear the section of the output buffer that we will be using,
/// emitting "all notes off" at start of buffer if requested.
pub fn buffer_clear (&mut self, scope: &ProcessScope, reset: bool) {
let n_frames = (scope.n_frames() as usize).min(self.output_buffer.len());
for frame in &mut self.output_buffer[0..n_frames] {
frame.clear();
}
if reset {
all_notes_off(&mut self.output_buffer);
}
}
/// Write a note to the output buffer
pub fn buffer_write <'a> (
&'a mut self,
sample: usize,
event: LiveEvent,
) {
self.note_buffer.fill(0);
event.write(&mut self.note_buffer).expect("failed to serialize MIDI event");
self.output_buffer[sample].push(self.note_buffer.clone());
// Update the list of currently held notes.
if let LiveEvent::Midi { ref message, .. } = event {
update_keys(&mut*self.held.write().unwrap(), message);
}
}
/// Write a chunk of MIDI data from the output buffer to the output port.
pub fn buffer_emit (&mut self, scope: &ProcessScope) {
let samples = scope.n_frames() as usize;
let mut writer = self.port.writer(scope);
for (time, events) in self.output_buffer.iter().enumerate().take(samples) {
for bytes in events.iter() {
writer.write(&RawMidi { time: time as u32, bytes }).unwrap_or_else(|_|{
panic!("Failed to write MIDI data: {bytes:?}");
});
}
}
}
}
impl<T: Has<Vec<MidiOutput>>> HasMidiOuts for T {
fn midi_outs (&self) -> &Vec<MidiOutput> {
self.get()
}
fn midi_outs_mut (&mut self) -> &mut Vec<MidiOutput> {
self.get_mut()
}
}
/// Trail for thing that may gain new MIDI ports.
impl<T: HasMidiOuts + HasJack<'static>> AddMidiOut for T {
fn midi_out_add (&mut self) -> Usually<()> {
let index = self.midi_outs().len();
let port = MidiOutput::new(self.jack(), &format!("{index}/M"), &[])?;
self.midi_outs_mut().push(port);
Ok(())
}
}
impl HasJack<'static> for AudioInput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl JackPort for AudioInput {
type Port = AudioIn;
type Pair = AudioOut;
fn port_name (&self) -> &Arc<str> {
&self.name
}
fn port (&self) -> &Port<Self::Port> {
&self.port
}
fn port_mut (&mut self) -> &mut Port<Self::Port> {
&mut self.port
}
fn into_port (self) -> Port<Self::Port> {
self.port
}
fn connections (&self) -> &[Connect] {
self.connections.as_slice()
}
fn new (jack: &Jack<'static>, name: &impl AsRef<str>, connect: &[Connect])
-> Usually<Self> where Self: Sized
{
let port = Self {
port: Self::register(jack, name)?,
jack: jack.clone(),
name: name.as_ref().into(),
connections: connect.to_vec()
};
port.connect_to_matching()?;
Ok(port)
}
}
impl HasJack<'static> for AudioOutput { fn jack (&self) -> &Jack<'static> { &self.jack } }
impl JackPort for AudioOutput {
type Port = AudioOut;
type Pair = AudioIn;
fn port_name (&self) -> &Arc<str> {
&self.name
}
fn port (&self) -> &Port<Self::Port> {
&self.port
}
fn port_mut (&mut self) -> &mut Port<Self::Port> {
&mut self.port
}
fn into_port (self) -> Port<Self::Port> {
self.port
}
fn connections (&self) -> &[Connect] {
self.connections.as_slice()
}
fn new (jack: &Jack<'static>, name: &impl AsRef<str>, connect: &[Connect])
-> Usually<Self> where Self: Sized
{
let port = Self {
port: Self::register(jack, name)?,
jack: jack.clone(),
name: name.as_ref().into(),
connections: connect.to_vec()
};
port.connect_to_matching()?;
Ok(port)
}
}
impl Draw<TuiOut> for AddSampleModal {
fn draw (&self, _to: &mut TuiOut) {
todo!()
//let area = to.area();
//to.make_dim();
//let area = center_box(
//area,
//64.max(area.w().saturating_sub(8)),
//20.max(area.w().saturating_sub(8)),
//);
//to.fill_fg(area, Color::Reset);
//to.fill_bg(area, Nord::bg_lo(true, true));
//to.fill_char(area, ' ');
//to.blit(&format!("{}", &self.dir.to_string_lossy()), area.x()+2, area.y()+1, Some(Style::default().bold()))?;
//to.blit(&"Select sample:", area.x()+2, area.y()+2, Some(Style::default().bold()))?;
//for (i, (is_dir, name)) in self.subdirs.iter()
//.map(|path|(true, path))
//.chain(self.files.iter().map(|path|(false, path)))
//.enumerate()
//.skip(self.offset)
//{
//if i >= area.h() as usize - 4 {
//break
//}
//let t = if is_dir { "" } else { "" };
//let line = format!("{t} {}", name.to_string_lossy());
//let line = &line[..line.len().min(area.w() as usize - 4)];
//to.blit(&line, area.x() + 2, area.y() + 3 + i as u16, Some(if i == self.cursor {
//Style::default().green()
//} else {
//Style::default().white()
//}))?;
//}
//Lozenge(Style::default()).draw(to)
}
}
impl Sampler {
pub fn view_grid (&self) -> impl Content<TuiOut> + use<'_> {
//let cells_x = 8u16;
//let cells_y = 8u16;
//let cell_width = 10u16;
//let cell_height = 2u16;
//let width = cells_x * cell_width;
//let height = cells_y * cell_height;
//let cols = Map::east(
//cell_width,
//move||0..cells_x,
//move|x, _|Map::south(
//cell_height,
//move||0..cells_y,
//move|y, _|self.view_grid_cell("........", x, y, cell_width, cell_height)
//)
//);
//cols
//Thunk::new(|to: &mut TuiOut|{
//})
"TODO"
}
pub fn view_grid_cell <'a> (
&'a self, name: &'a str, x: u16, y: u16, w: u16, h: u16
) -> impl Content<TuiOut> + use<'a> {
let cursor = self.cursor();
let hi_fg = Color::Rgb(64, 64, 64);
let hi_bg = if y == 0 { Color::Reset } else { Color::Rgb(64, 64, 64) /*prev*/ };
let tx_fg = if let Some((index, _)) = self.recording
&& index % 8 == x as usize
&& index / 8 == y as usize
{
Color::Rgb(255, 64, 0)
} else {
Color::Rgb(255, 255, 255)
};
let tx_bg = if x as usize == cursor.0 && y as usize == cursor.1 {
Color::Rgb(96, 96, 96)
} else {
Color::Rgb(64, 64, 64)
};
let lo_fg = Color::Rgb(64, 64, 64);
let lo_bg = if y == 7 { Color::Reset } else { tx_bg };
Fixed::XY(w, h, Bsp::s(
Fixed::Y(1, Tui::fg_bg(hi_fg, hi_bg, Repeat::X(Phat::<()>::LO))),
Bsp::n(
Fixed::Y(1, Tui::fg_bg(lo_fg, lo_bg, Repeat::X(Phat::<()>::HI))),
Fill::X(Fixed::Y(1, Tui::fg_bg(tx_fg, tx_bg, name))),
),
))
}
const _EMPTY: &[(f64, f64)] = &[(0., 0.), (1., 1.), (2., 2.), (0., 2.), (2., 0.)];
pub fn view_list <'a, T: NotePoint + NoteRange> (
&'a self, compact: bool, editor: &T
) -> impl Content<TuiOut> + 'a {
let note_lo = editor.get_note_lo();
let note_pt = editor.get_note_pos();
let note_hi = editor.get_note_hi();
Fixed::X(if compact { 4 } else { 12 }, Map::south(
1,
move||(note_lo..=note_hi).rev(),
move|note, _index| {
//let offset = |a|Push::y(i as u16, Align::n(Fixed::Y(1, Fill::X(a))));
let mut bg = if note == note_pt { Tui::g(64) } else { Color::Reset };
let mut fg = Tui::g(160);
if let Some(mapped) = self.samples.get(note) {
let sample = mapped.read().unwrap();
fg = if note == note_pt {
sample.color.lightest.rgb
} else {
Tui::g(224)
};
bg = if note == note_pt {
sample.color.light.rgb
} else {
sample.color.base.rgb
};
}
if let Some((index, _)) = self.recording {
if note == index {
bg = if note == note_pt { Color::Rgb(96,24,0) } else { Color::Rgb(64,16,0) };
fg = Color::Rgb(224,64,32)
}
}
Tui::fg_bg(fg, bg, format!("{note:3} {}", self.view_list_item(note, compact)))
}))
}
pub fn view_list_item (&self, note: usize, compact: bool) -> String {
if compact {
String::default()
} else {
draw_list_item(&self.samples.get(note))
}
}
pub fn view_sample (&self, note_pt: usize) -> impl Content<TuiOut> + use<'_> {
Outer(true, Style::default().fg(Tui::g(96)))
.enclose(Fill::XY(draw_viewer(if let Some((_, Some(sample))) = &self.recording {
Some(sample)
} else if let Some(sample) = &self.samples.get(note_pt) {
Some(sample)
} else {
None
})))
}
pub fn view_sample_info (&self, note_pt: usize) -> impl Content<TuiOut> + use<'_> {
Fill::X(Fixed::Y(1, draw_info(if let Some((_, Some(sample))) = &self.recording {
Some(sample)
} else if let Some(sample) = &self.samples.get(note_pt) {
Some(sample)
} else {
None
})))
}
pub fn view_sample_status (&self, note_pt: usize) -> impl Content<TuiOut> + use<'_> {
Fixed::X(20, draw_info_v(if let Some((_, Some(sample))) = &self.recording {
Some(sample)
} else if let Some(sample) = &self.samples.get(note_pt) {
Some(sample)
} else {
None
}))
}
pub fn view_status (&self, index: usize) -> impl Content<TuiOut> {
draw_status(self.samples.get(index).as_ref())
}
pub fn view_meters_input (&self) -> impl Content<TuiOut> + use<'_> {
draw_meters(&self.input_meters)
}
pub fn view_meters_output (&self) -> impl Content<TuiOut> + use<'_> {
draw_meters(&self.output_meters)
}
}
fn draw_meters (meters: &[f32]) -> impl Content<TuiOut> + use<'_> {
Tui::bg(Black, Fixed::X(2, Map::east(1, ||meters.iter(), |value, _index|{
Fill::Y(RmsMeter(*value))
})))
}
fn draw_list_item (sample: &Option<Arc<RwLock<Sample>>>) -> String {
if let Some(sample) = sample {
let sample = sample.read().unwrap();
format!("{:8}", sample.name)
//format!("{:8} {:3} {:6}-{:6}/{:6}",
//sample.name,
//sample.gain,
//sample.start,
//sample.end,
//sample.channels[0].len()
//)
} else {
String::from("........")
}
}
fn draw_viewer (sample: Option<&Arc<RwLock<Sample>>>) -> impl Content<TuiOut> + use<'_> {
let min_db = -64.0;
Thunk::new(move|to: &mut TuiOut|{
let XYWH(x, y, width, height) = to.area();
let area = Rect { x, y, width, height };
if let Some(sample) = &sample {
let sample = sample.read().unwrap();
let start = sample.start as f64;
let end = sample.end as f64;
let length = end - start;
let step = length / width as f64;
let mut t = start;
let mut lines = vec![];
while t < end {
let chunk = &sample.channels[0][t as usize..((t + step) as usize).min(sample.end)];
let total: f32 = chunk.iter().map(|x|x.abs()).sum();
let count = chunk.len() as f32;
let meter = 10. * (total / count).log10();
let x = t as f64;
let y = meter as f64;
lines.push(Line::new(x, min_db, x, y, Color::Green));
t += step / 2.;
}
Canvas::default()
.x_bounds([sample.start as f64, sample.end as f64])
.y_bounds([min_db, 0.])
.paint(|ctx| {
for line in lines.iter() {
ctx.draw(line);
}
//FIXME: proportions
//let text = "press record to finish sampling";
//ctx.print(
//(width - text.len() as u16) as f64 / 2.0,
//height as f64 / 2.0,
//text.red()
//);
}).render(area, &mut to.buffer);
} else {
Canvas::default()
.x_bounds([0.0, width as f64])
.y_bounds([0.0, height as f64])
.paint(|_ctx| {
//let text = "press record to begin sampling";
//ctx.print(
//(width - text.len() as u16) as f64 / 2.0,
//height as f64 / 2.0,
//text.red()
//);
})
.render(area, &mut to.buffer);
}
})
}
impl Sampler {
fn sample_selected (&self) -> usize {
(self.get_note_pos() as u8).into()
}
fn sample_selected_pitch (&self) -> u7 {
(self.get_note_pos() as u8).into()
}
}
impl AddSampleModal {
fn exited (&self) -> bool {
self.exited
}
fn exit (&mut self) {
self.exited = true
}
}
impl AddSampleModal {
pub fn new (
sample: &Arc<RwLock<Sample>>,
voices: &Arc<RwLock<Vec<Voice>>>
) -> Usually<Self> {
let dir = std::env::current_dir()?;
let (subdirs, files) = scan(&dir)?;
Ok(Self {
exited: false,
dir,
subdirs,
files,
cursor: 0,
offset: 0,
sample: sample.clone(),
voices: voices.clone(),
_search: None
})
}
fn rescan (&mut self) -> Usually<()> {
scan(&self.dir).map(|(subdirs, files)|{
self.subdirs = subdirs;
self.files = files;
})
}
fn prev (&mut self) {
self.cursor = self.cursor.saturating_sub(1);
}
fn next (&mut self) {
self.cursor = self.cursor + 1;
}
fn try_preview (&mut self) -> Usually<()> {
if let Some(path) = self.cursor_file() {
if let Ok(sample) = Sample::from_file(&path) {
*self.sample.write().unwrap() = sample;
self.voices.write().unwrap().push(
Sample::play(&self.sample, 0, &u7::from(100u8))
);
}
//load_sample(&path)?;
//let src = std::fs::File::open(&path)?;
//let mss = MediaSourceStream::new(Box::new(src), Default::default());
//let mut hint = Hint::new();
//if let Some(ext) = path.extension() {
//hint.with_extension(&ext.to_string_lossy());
//}
//let meta_opts: MetadataOptions = Default::default();
//let fmt_opts: FormatOptions = Default::default();
//if let Ok(mut probed) = symphonia::default::get_probe()
//.format(&hint, mss, &fmt_opts, &meta_opts)
//{
//panic!("{:?}", probed.format.metadata());
//};
}
Ok(())
}
fn cursor_dir (&self) -> Option<PathBuf> {
if self.cursor < self.subdirs.len() {
Some(self.dir.join(&self.subdirs[self.cursor]))
} else {
None
}
}
fn cursor_file (&self) -> Option<PathBuf> {
if self.cursor < self.subdirs.len() {
return None
}
let index = self.cursor.saturating_sub(self.subdirs.len());
if index < self.files.len() {
Some(self.dir.join(&self.files[index]))
} else {
None
}
}
fn pick (&mut self) -> Usually<bool> {
if self.cursor == 0 {
if let Some(parent) = self.dir.parent() {
self.dir = parent.into();
self.rescan()?;
self.cursor = 0;
return Ok(false)
}
}
if let Some(dir) = self.cursor_dir() {
self.dir = dir;
self.rescan()?;
self.cursor = 0;
return Ok(false)
}
if let Some(path) = self.cursor_file() {
let (end, channels) = read_sample_data(&path.to_string_lossy())?;
let mut sample = self.sample.write().unwrap();
sample.name = path.file_name().unwrap().to_string_lossy().into();
sample.end = end;
sample.channels = channels;
return Ok(true)
}
return Ok(false)
}
}
impl Sampler {
pub fn process_audio_in (&mut self, scope: &ProcessScope) {
self.reset_input_meters();
if self.recording.is_some() {
self.record_into(scope);
} else {
self.update_input_meters(scope);
}
}
/// Make sure that input meter count corresponds to input channel count
fn reset_input_meters (&mut self) {
let channels = self.audio_ins.len();
if self.input_meters.len() != channels {
self.input_meters = vec![f32::MIN;channels];
}
}
/// Record from inputs to sample
fn record_into (&mut self, scope: &ProcessScope) {
if let Some(ref sample) = self.recording.as_ref().expect("no recording sample").1 {
let mut sample = sample.write().unwrap();
if sample.channels.len() != self.audio_ins.len() {
panic!("channel count mismatch");
}
let samples_with_meters = self.audio_ins.iter()
.zip(self.input_meters.iter_mut())
.zip(sample.channels.iter_mut());
let mut length = 0;
for ((input, meter), channel) in samples_with_meters {
let slice = input.port().as_slice(scope);
length = length.max(slice.len());
*meter = to_rms(slice);
channel.extend_from_slice(slice);
}
sample.end += length;
} else {
panic!("tried to record into the void")
}
}
/// Update input meters
fn update_input_meters (&mut self, scope: &ProcessScope) {
for (input, meter) in self.audio_ins.iter().zip(self.input_meters.iter_mut()) {
let slice = input.port().as_slice(scope);
*meter = to_rms(slice);
}
}
/// Make sure that output meter count corresponds to input channel count
fn reset_output_meters (&mut self) {
let channels = self.audio_outs.len();
if self.output_meters.len() != channels {
self.output_meters = vec![f32::MIN;channels];
}
}
/// Mix all currently playing samples into the output.
pub fn process_audio_out (&mut self, scope: &ProcessScope) {
self.clear_output_buffer();
self.populate_output_buffer(scope.n_frames() as usize);
self.write_output_buffer(scope);
}
/// Zero the output buffer.
fn clear_output_buffer (&mut self) {
for buffer in self.buffer.iter_mut() {
buffer.fill(0.0);
}
}
/// Write playing voices to output buffer
fn populate_output_buffer (&mut self, frames: usize) {
let Sampler { buffer, voices, output_gain, mixing_mode, .. } = self;
let channel_count = buffer.len();
match mixing_mode {
MixingMode::Summing => voices.write().unwrap().retain_mut(|voice|{
mix_summing(buffer.as_mut_slice(), *output_gain, frames, ||voice.next())
}),
MixingMode::Average => voices.write().unwrap().retain_mut(|voice|{
mix_average(buffer.as_mut_slice(), *output_gain, frames, ||voice.next())
}),
}
}
/// Write output buffer to output ports.
fn write_output_buffer (&mut self, scope: &ProcessScope) {
let Sampler { audio_outs, buffer, .. } = self;
for (i, port) in audio_outs.iter_mut().enumerate() {
let buffer = &buffer[i];
for (i, value) in port.port_mut().as_mut_slice(scope).iter_mut().enumerate() {
*value = *buffer.get(i).unwrap_or(&0.0);
}
}
}
}
impl Iterator for Voice {
type Item = [f32;2];
fn next (&mut self) -> Option<Self::Item> {
if self.after > 0 {
self.after -= 1;
return Some([0.0, 0.0])
}
let sample = self.sample.read().unwrap();
if self.position < sample.end {
let position = self.position;
self.position += 1;
return sample.channels[0].get(position).map(|_amplitude|[
sample.channels[0][position] * self.velocity * sample.gain,
sample.channels[0][position] * self.velocity * sample.gain,
])
}
None
}
}
impl Sampler {
pub fn new (
jack: &Jack<'static>,
name: impl AsRef<str>,
#[cfg(feature = "port")] midi_from: &[Connect],
#[cfg(feature = "port")] audio_from: &[&[Connect];2],
#[cfg(feature = "port")] audio_to: &[&[Connect];2],
) -> Usually<Self> {
let name = name.as_ref();
Ok(Self {
name: name.into(),
input_meters: vec![0.0;2],
output_meters: vec![0.0;2],
output_gain: 1.,
buffer: vec![vec![0.0;16384];2],
#[cfg(feature = "port")] midi_in: Some(
MidiInput::new(jack, &format!("M/{name}"), midi_from)?
),
#[cfg(feature = "port")] audio_ins: vec![
AudioInput::new(jack, &format!("L/{name}"), audio_from[0])?,
AudioInput::new(jack, &format!("R/{name}"), audio_from[1])?,
],
#[cfg(feature = "port")] audio_outs: vec![
AudioOutput::new(jack, &format!("{name}/L"), audio_to[0])?,
AudioOutput::new(jack, &format!("{name}/R"), audio_to[1])?,
],
..Default::default()
})
}
/// Value of cursor
pub fn cursor (&self) -> (usize, usize) {
(self.cursor.0.load(Relaxed), self.cursor.1.load(Relaxed))
}
}
impl NoteRange for Sampler {
fn note_lo (&self) -> &AtomicUsize {
&self.note_lo
}
fn note_axis (&self) -> &AtomicUsize {
&self.size.y
}
}
impl NotePoint for Sampler {
fn note_len (&self) -> &AtomicUsize {
unreachable!();
}
fn get_note_len (&self) -> usize {
0
}
fn set_note_len (&self, x: usize) -> usize {
0 /*TODO?*/
}
fn note_pos (&self) -> &AtomicUsize {
&self.note_pt
}
fn get_note_pos (&self) -> usize {
self.note_pt.load(Relaxed)
}
fn set_note_pos (&self, x: usize) -> usize {
let old = self.note_pt.swap(x, Relaxed);
self.cursor.0.store(x % 8, Relaxed);
self.cursor.1.store(x / 8, Relaxed);
old
}
}
impl Sample {
pub fn new (name: impl AsRef<str>, start: usize, end: usize, channels: Vec<Vec<f32>>) -> Self {
Self {
name: name.as_ref().into(),
start,
end,
channels,
rate: None,
gain: 1.0,
color: ItemTheme::random(),
}
}
pub fn play (sample: &Arc<RwLock<Self>>, after: usize, velocity: &u7) -> Voice {
Voice {
sample: sample.clone(),
after,
position: sample.read().unwrap().start,
velocity: velocity.as_int() as f32 / 127.0,
}
}
}
impl Sample {
/// Read WAV from file
pub fn read_data (src: &str) -> Usually<(usize, Vec<Vec<f32>>)> {
let mut channels: Vec<wavers::Samples<f32>> = vec![];
for channel in wavers::Wav::from_path(src)?.channels() {
channels.push(channel);
}
let mut end = 0;
let mut data: Vec<Vec<f32>> = vec![];
for samples in channels.iter() {
let channel = Vec::from(samples.as_ref());
end = end.max(channel.len());
data.push(channel);
}
Ok((end, data))
}
pub fn from_file (path: &PathBuf) -> Usually<Self> {
let name = path.file_name().unwrap().to_string_lossy().into();
let mut sample = Self { name, ..Default::default() };
// Use file extension if present
let mut hint = Hint::new();
if let Some(ext) = path.extension() {
hint.with_extension(&ext.to_string_lossy());
}
let probed = symphonia::default::get_probe().format(
&hint,
MediaSourceStream::new(
Box::new(File::open(path)?),
Default::default(),
),
&Default::default(),
&Default::default()
)?;
let mut format = probed.format;
let params = &format.tracks().iter()
.find(|t| t.codec_params.codec != CODEC_TYPE_NULL)
.expect("no tracks found")
.codec_params;
let mut decoder = get_codecs().make(params, &Default::default())?;
loop {
match format.next_packet() {
Ok(packet) => sample.decode_packet(&mut decoder, packet)?,
Err(symphonia::core::errors::Error::IoError(_)) => break decoder.last_decoded(),
Err(err) => return Err(err.into()),
};
};
sample.end = sample.channels.iter().fold(0, |l, c|l + c.len());
Ok(sample)
}
fn decode_packet (
&mut self, decoder: &mut Box<dyn Decoder>, packet: Packet
) -> Usually<()> {
// Decode a packet
let decoded = decoder
.decode(&packet)
.map_err(|e|Box::<dyn std::error::Error>::from(e))?;
// Determine sample rate
let spec = *decoded.spec();
if let Some(rate) = self.rate {
if rate != spec.rate as usize {
panic!("sample rate changed");
}
} else {
self.rate = Some(spec.rate as usize);
}
// Determine channel count
while self.channels.len() < spec.channels.count() {
self.channels.push(vec![]);
}
// Load sample
let mut samples = SampleBuffer::new(
decoded.frames() as u64,
spec
);
if samples.capacity() > 0 {
samples.copy_interleaved_ref(decoded);
for frame in samples.samples().chunks(spec.channels.count()) {
for (chan, frame) in frame.iter().enumerate() {
self.channels[chan].push(*frame)
}
}
}
Ok(())
}
}
fn sampler_jack_process (
state: &mut Sampler, _: &Client, scope: &ProcessScope
) -> Control {
if let Some(midi_in) = &state.midi_in {
for midi in midi_in.port().iter(scope) {
sampler_midi_in(&state.samples, &state.voices, midi)
}
}
state.process_audio_out(scope);
state.process_audio_in(scope);
Control::Continue
}
/// Create [Voice]s from [Sample]s in response to MIDI input.
fn sampler_midi_in (
samples: &Samples<128>, voices: &Arc<RwLock<Vec<Voice>>>, RawMidi { time, bytes }: RawMidi
) {
if let Ok(LiveEvent::Midi { message, .. }) = LiveEvent::parse(bytes) {
match message {
MidiMessage::NoteOn { ref key, ref vel } => {
if let Some(sample) = samples.get(key.as_int() as usize) {
voices.write().unwrap().push(Sample::play(sample, time as usize, vel));
}
},
MidiMessage::Controller { controller: _, value: _ } => {
// TODO
}
_ => {}
}
}
}
impl Sample {
pub fn handle_cc (&mut self, controller: u7, value: u7) {
let percentage = value.as_int() as f64 / 127.;
match controller.as_int() {
20 => {
self.start = (percentage * self.end as f64) as usize;
},
21 => {
let length = self.channels[0].len();
self.end = length.min(
self.start + (percentage * (length as f64 - self.start as f64)) as usize
);
},
22 => { /*attack*/ },
23 => { /*decay*/ },
24 => {
self.gain = percentage as f32 * 2.0;
},
26 => { /* pan */ }
25 => { /* pitch */ }
_ => {}
}
}
}
impl<T: Has<Vec<Scene>> + Send + Sync> HasScenes for T {}
impl HasSceneScroll for Arrangement {
fn scene_scroll (&self) -> usize { self.scene_scroll }
}
impl<T: HasScenes + HasTracks> AddScene for T {}
impl Scene {
fn _todo_opt_bool_stub_ (&self) -> Option<bool> { todo!() }
fn _todo_usize_stub_ (&self) -> usize { todo!() }
fn _todo_arc_str_stub_ (&self) -> Arc<str> { todo!() }
fn _todo_item_theme_stub (&self) -> ItemTheme { todo!() }
}
impl<T: Has<Option<Scene>> + Send + Sync> HasScene for T {}
impl Scene {
/// Returns the pulse length of the longest clip in the scene
pub fn pulses (&self) -> usize {
self.clips.iter().fold(0, |a, p|{
a.max(p.as_ref().map(|q|q.read().unwrap().length).unwrap_or(0))
})
}
/// Returns true if all clips in the scene are
/// currently playing on the given collection of tracks.
pub fn is_playing (&self, tracks: &[Track]) -> bool {
self.clips.iter().any(|clip|clip.is_some()) && self.clips.iter().enumerate()
.all(|(track_index, clip)|match clip {
Some(c) => tracks
.get(track_index)
.map(|track|{
if let Some((_, Some(clip))) = track.sequencer().play_clip() {
*clip.read().unwrap() == *c.read().unwrap()
} else {
false
}
})
.unwrap_or(false),
None => true
})
}
pub fn clip (&self, index: usize) -> Option<&Arc<RwLock<MidiClip>>> {
match self.clips.get(index) { Some(Some(clip)) => Some(clip), _ => None }
}
}
impl<T: Has<Selection>> HasSelection for T {}
#[cfg(feature = "track")]
impl Selection {
pub fn track (&self) -> Option<usize> {
use Selection::*;
if let Track(track)|TrackClip{track,..}|TrackInput{track,..}|TrackOutput{track,..}|TrackDevice{track,..} = self {
Some(*track)
} else {
None
}
}
pub fn select_track (&self, track_count: usize) -> Self {
use Selection::*;
match self {
Mix => Track(0),
Scene(_) => Mix,
Track(t) => Track((t + 1) % track_count),
TrackClip { track, .. } => Track(*track),
_ => todo!(),
}
}
pub fn select_track_next (&self, len: usize) -> Self {
use Selection::*;
match self {
Mix => Track(0),
Scene(s) => TrackClip { track: 0, scene: *s },
Track(t) => if t + 1 < len { Track(t + 1) } else { Mix },
TrackClip {track, scene} => if track + 1 < len { TrackClip { track: track + 1, scene: *scene } } else { Scene(*scene) },
_ => todo!()
}
}
pub fn select_track_prev (&self) -> Self {
use Selection::*;
match self {
Mix => Mix,
Scene(s) => Scene(*s),
Track(0) => Mix,
Track(t) => Track(t - 1),
TrackClip { track: 0, scene } => Scene(*scene),
TrackClip { track: t, scene } => TrackClip { track: t - 1, scene: *scene },
_ => todo!()
}
}
}
#[cfg(feature = "scene")]
impl Selection {
pub fn scene (&self) -> Option<usize> {
use Selection::*;
match self { Scene(scene) | TrackClip { scene, .. } => Some(*scene), _ => None }
}
pub fn select_scene (&self, scene_count: usize) -> Self {
use Selection::*;
match self {
Mix | Track(_) => Scene(0),
Scene(s) => Scene((s + 1) % scene_count),
TrackClip { scene, .. } => Track(*scene),
_ => todo!(),
}
}
pub fn select_scene_next (&self, len: usize) -> Self {
use Selection::*;
match self {
Mix => Scene(0),
Track(t) => TrackClip { track: *t, scene: 0 },
Scene(s) => if s + 1 < len { Scene(s + 1) } else { Mix },
TrackClip { track, scene } => if scene + 1 < len { TrackClip { track: *track, scene: scene + 1 } } else { Track(*track) },
_ => todo!()
}
}
pub fn select_scene_prev (&self) -> Self {
use Selection::*;
match self {
Mix | Scene(0) => Mix,
Scene(s) => Scene(s - 1),
Track(t) => Track(*t),
TrackClip { track, scene: 0 } => Track(*track),
TrackClip { track, scene } => TrackClip { track: *track, scene: scene - 1 },
_ => todo!()
}
}
}
impl Selection {
pub fn describe (
&self,
#[cfg(feature = "track")] tracks: &[Track],
#[cfg(feature = "scene")] scenes: &[Scene],
) -> Arc<str> {
use Selection::*;
format!("{}", match self {
Mix => "Everything".to_string(),
#[cfg(feature = "scene")] Scene(s) =>
scenes.get(*s).map(|scene|format!("S{s}: {}", &scene.name)).unwrap_or_else(||"S??".into()),
#[cfg(feature = "track")] Track(t) =>
tracks.get(*t).map(|track|format!("T{t}: {}", &track.name)).unwrap_or_else(||"T??".into()),
TrackClip { track, scene } => match (tracks.get(*track), scenes.get(*scene)) {
(Some(_), Some(s)) => match s.clip(*track) {
Some(clip) => format!("T{track} S{scene} C{}", &clip.read().unwrap().name),
None => format!("T{track} S{scene}: Empty")
},
_ => format!("T{track} S{scene}: Empty"),
},
_ => todo!()
}).into()
}
}
impl<T: Has<Sequencer>> HasSequencer for T {
fn sequencer (&self) -> &Sequencer {
self.get()
}
fn sequencer_mut (&mut self) -> &mut Sequencer {
self.get_mut()
}
}
impl Default for Sequencer {
fn default () -> Self {
Self {
#[cfg(feature = "clock")] clock: Clock::default(),
#[cfg(feature = "clip")] play_clip: None,
#[cfg(feature = "clip")] next_clip: None,
#[cfg(feature = "port")] midi_ins: vec![],
#[cfg(feature = "port")] midi_outs: vec![],
recording: false,
monitoring: true,
overdub: false,
notes_in: RwLock::new([false;128]).into(),
notes_out: RwLock::new([false;128]).into(),
note_buf: vec![0;8],
midi_buf: vec![],
reset: true,
}
}
}
impl Sequencer {
pub fn new (
name: impl AsRef<str>,
jack: &Jack<'static>,
#[cfg(feature = "clock")] clock: Option<&Clock>,
#[cfg(feature = "clip")] clip: Option<&Arc<RwLock<MidiClip>>>,
#[cfg(feature = "port")] midi_from: &[Connect],
#[cfg(feature = "port")] midi_to: &[Connect],
) -> Usually<Self> {
let _name = name.as_ref();
#[cfg(feature = "clock")] let clock = clock.cloned().unwrap_or_default();
Ok(Self {
reset: true,
notes_in: RwLock::new([false;128]).into(),
notes_out: RwLock::new([false;128]).into(),
#[cfg(feature = "port")] midi_ins: vec![MidiInput::new(jack, &format!("M/{}", name.as_ref()), midi_from)?,],
#[cfg(feature = "port")] midi_outs: vec![MidiOutput::new(jack, &format!("{}/M", name.as_ref()), midi_to)?, ],
#[cfg(feature = "clip")] play_clip: clip.map(|clip|(Moment::zero(&clock.timebase), Some(clip.clone()))),
#[cfg(feature = "clock")] clock,
..Default::default()
})
}
}
impl std::fmt::Debug for Sequencer {
fn fmt (&self, f: &mut Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
f.debug_struct("Sequencer")
.field("clock", &self.clock)
.field("play_clip", &self.play_clip)
.field("next_clip", &self.next_clip)
.finish()
}
}
#[cfg(feature = "clock")] has!(Clock: |self:Sequencer|self.clock);
#[cfg(feature = "port")] has!(Vec<MidiInput>: |self:Sequencer|self.midi_ins);
#[cfg(feature = "port")] has!(Vec<MidiOutput>: |self:Sequencer|self.midi_outs);
impl MidiMonitor for Sequencer {
fn notes_in (&self) -> &Arc<RwLock<[bool; 128]>> {
&self.notes_in
}
fn monitoring (&self) -> bool {
self.monitoring
}
fn monitoring_mut (&mut self) -> &mut bool {
&mut self.monitoring
}
}
impl MidiRecord for Sequencer {
fn recording (&self) -> bool {
self.recording
}
fn recording_mut (&mut self) -> &mut bool {
&mut self.recording
}
fn overdub (&self) -> bool {
self.overdub
}
fn overdub_mut (&mut self) -> &mut bool {
&mut self.overdub
}
}
#[cfg(feature="clip")] impl HasPlayClip for Sequencer {
fn reset (&self) -> bool {
self.reset
}
fn reset_mut (&mut self) -> &mut bool {
&mut self.reset
}
fn play_clip (&self) -> &Option<(Moment, Option<Arc<RwLock<MidiClip>>>)> {
&self.play_clip
}
fn play_clip_mut (&mut self) -> &mut Option<(Moment, Option<Arc<RwLock<MidiClip>>>)> {
&mut self.play_clip
}
fn next_clip (&self) -> &Option<(Moment, Option<Arc<RwLock<MidiClip>>>)> {
&self.next_clip
}
fn next_clip_mut (&mut self) -> &mut Option<(Moment, Option<Arc<RwLock<MidiClip>>>)> {
&mut self.next_clip
}
}
/// JACK process callback for a sequencer's clip sequencer/recorder.
impl Audio for Sequencer {
fn process (&mut self, _: &Client, scope: &ProcessScope) -> Control {
if self.clock().is_rolling() {
self.process_rolling(scope)
} else {
self.process_stopped(scope)
}
}
}
impl Sequencer {
fn process_rolling (&mut self, scope: &ProcessScope) -> Control {
self.process_clear(scope, false);
// Write chunk of clip to output, handle switchover
if self.process_playback(scope) {
self.process_switchover(scope);
}
// Monitor input to output
self.process_monitoring(scope);
// Record and/or monitor input
self.process_recording(scope);
// Emit contents of MIDI buffers to JACK MIDI output ports.
self.midi_outs_emit(scope);
Control::Continue
}
fn process_stopped (&mut self, scope: &ProcessScope) -> Control {
if self.monitoring() && self.midi_ins().len() > 0 && self.midi_outs().len() > 0 {
self.process_monitoring(scope)
}
Control::Continue
}
fn process_monitoring (&mut self, scope: &ProcessScope) {
let notes_in = self.notes_in().clone(); // For highlighting keys and note repeat
let monitoring = self.monitoring();
for input in self.midi_ins.iter() {
for (sample, event, bytes) in input.parsed(scope) {
if let LiveEvent::Midi { message, .. } = event {
if monitoring {
self.midi_buf[sample].push(bytes.to_vec());
}
// FIXME: don't lock on every event!
update_keys(&mut notes_in.write().unwrap(), &message);
}
}
}
}
/// Clear the section of the output buffer that we will be using,
/// emitting "all notes off" at start of buffer if requested.
fn process_clear (&mut self, scope: &ProcessScope, reset: bool) {
let n_frames = (scope.n_frames() as usize).min(self.midi_buf_mut().len());
for frame in &mut self.midi_buf_mut()[0..n_frames] {
frame.clear();
}
if reset {
all_notes_off(self.midi_buf_mut());
}
for port in self.midi_outs_mut().iter_mut() {
// Clear output buffer(s)
port.buffer_clear(scope, false);
}
}
fn process_recording (&mut self, scope: &ProcessScope) {
if self.monitoring() {
self.monitor(scope);
}
if let Some((started, ref clip)) = self.play_clip.clone() {
self.record_clip(scope, started, clip);
}
if let Some((_start_at, _clip)) = &self.next_clip() {
self.record_next();
}
}
fn process_playback (&mut self, scope: &ProcessScope) -> bool {
// If a clip is playing, write a chunk of MIDI events from it to the output buffer.
// If no clip is playing, prepare for switchover immediately.
if let Some((started, clip)) = &self.play_clip {
// Length of clip, to repeat or stop on end.
let length = clip.as_ref().map_or(0, |p|p.read().unwrap().length);
// Index of first sample to populate.
let offset = self.clock().get_sample_offset(scope, &started);
// Write MIDI events from clip at sample offsets corresponding to pulses.
for (sample, pulse) in self.clock().get_pulses(scope, offset) {
// If a next clip is enqueued, and we're past the end of the current one,
// break the loop here (FIXME count pulse correctly)
let past_end = if clip.is_some() { pulse >= length } else { true };
// Is it time for switchover?
if self.next_clip().is_some() && past_end {
return true
}
// If there's a currently playing clip, output notes from it to buffer:
if let Some(clip) = clip {
// Source clip from which the MIDI events will be taken.
let clip = clip.read().unwrap();
// Clip with zero length is not processed
if clip.length > 0 {
// Current pulse index in source clip
let pulse = pulse % clip.length;
// Output each MIDI event from clip at appropriate frames of output buffer:
for message in clip.notes[pulse].iter() {
for port in self.midi_outs.iter_mut() {
port.buffer_write(sample, LiveEvent::Midi {
channel: 0.into(), /* TODO */
message: *message
});
}
}
}
}
}
false
} else {
true
}
}
/// Handle switchover from current to next playing clip.
fn process_switchover (&mut self, scope: &ProcessScope) {
let midi_buf = self.midi_buf_mut();
let sample0 = scope.last_frame_time() as usize;
//let samples = scope.n_frames() as usize;
if let Some((start_at, clip)) = &self.next_clip() {
let start = start_at.sample.get() as usize;
let sample = self.clock().started.read().unwrap()
.as_ref().unwrap().sample.get() as usize;
// If it's time to switch to the next clip:
if start <= sample0.saturating_sub(sample) {
// Samples elapsed since clip was supposed to start
let _skipped = sample0 - start;
// Switch over to enqueued clip
let started = Moment::from_sample(self.clock().timebase(), start as f64);
// Launch enqueued clip
*self.play_clip_mut() = Some((started, clip.clone()));
// Unset enqueuement (TODO: where to implement looping?)
*self.next_clip_mut() = None;
// Fill in remaining ticks of chunk from next clip.
self.process_playback(scope);
}
}
}
}
impl HasMidiBuffers for Sequencer {
fn note_buf_mut (&mut self) -> &mut Vec<u8> {
&mut self.note_buf
}
fn midi_buf_mut (&mut self) -> &mut Vec<Vec<Vec<u8>>> {
&mut self.midi_buf
}
}
impl<T: Has<Vec<Track>> + Send + Sync> HasTracks for T {}
impl HasTrackScroll for Arrangement {
fn track_scroll (&self) -> usize {
self.track_scroll
}
}
impl<T: MaybeHas<Track>> HasTrack for T {
fn track (&self) -> Option<&Track> {
self.get()
}
fn track_mut (&mut self) -> Option<&mut Track> {
self.get_mut()
}
}
has!(Clock: |self: Track|self.sequencer.clock);
has!(Sequencer: |self: Track|self.sequencer);
impl Track {
/// Create a new track with only the default [Sequencer].
pub fn new (
name: &impl AsRef<str>,
color: Option<ItemTheme>,
jack: &Jack<'static>,
clock: Option<&Clock>,
clip: Option<&Arc<RwLock<MidiClip>>>,
midi_from: &[Connect],
midi_to: &[Connect],
) -> Usually<Self> {
Ok(Self {
name: name.as_ref().into(),
color: color.unwrap_or_default(),
sequencer: Sequencer::new(format!("{}/sequencer", name.as_ref()), jack, clock, clip, midi_from, midi_to)?,
..Default::default()
})
}
pub fn audio_ins (&self) -> &[AudioInput] {
self.devices.first().map(|x|x.audio_ins()).unwrap_or_default()
}
pub fn audio_outs (&self) -> &[AudioOutput] {
self.devices.last().map(|x|x.audio_outs()).unwrap_or_default()
}
fn _todo_opt_bool_stub_ (&self) -> Option<bool> { todo!() }
fn _todo_usize_stub_ (&self) -> usize { todo!() }
fn _todo_arc_str_stub_ (&self) -> Arc<str> { todo!() }
fn _todo_item_theme_stub (&self) -> ItemTheme { todo!() }
}
impl HasWidth for Track {
const MIN_WIDTH: usize = 9;
fn width_inc (&mut self) { self.width += 1; }
fn width_dec (&mut self) { if self.width > Track::MIN_WIDTH { self.width -= 1; } }
}
#[cfg(feature = "sampler")]
impl Track {
/// Create a new track connecting the [Sequencer] to a [Sampler].
pub fn new_with_sampler (
name: &impl AsRef<str>,
color: Option<ItemTheme>,
jack: &Jack<'static>,
clock: Option<&Clock>,
clip: Option<&Arc<RwLock<MidiClip>>>,
midi_from: &[Connect],
midi_to: &[Connect],
audio_from: &[&[Connect];2],
audio_to: &[&[Connect];2],
) -> Usually<Self> {
let mut track = Self::new(name, color, jack, clock, clip, midi_from, midi_to)?;
let client_name = jack.with_client(|c|c.name().to_string());
let port_name = track.sequencer.midi_outs[0].port_name();
let connect = [Connect::exact(format!("{client_name}:{}", port_name))];
track.devices.push(Device::Sampler(Sampler::new(
jack, &format!("{}/sampler", name.as_ref()), &connect, audio_from, audio_to
)?));
Ok(track)
}
pub fn sampler (&self, mut nth: usize) -> Option<&Sampler> {
for device in self.devices.iter() {
match device {
Device::Sampler(s) => if nth == 0 { return Some(s); } else { nth -= 1; },
_ => {}
}
}
None
}
pub fn sampler_mut (&mut self, mut nth: usize) -> Option<&mut Sampler> {
for device in self.devices.iter_mut() {
match device {
Device::Sampler(s) => if nth == 0 { return Some(s); } else { nth -= 1; },
_ => {}
}
}
None
}
}
impl<T: TracksView + ScenesView + Send + Sync> ClipsView for T {}
impl Track {
pub fn per <'a, T: Content<TuiOut> + 'a, U: TracksSizes<'a>> (
tracks: impl Fn() -> U + Send + Sync + 'a,
callback: impl Fn(usize, &'a Track)->T + Send + Sync + 'a
) -> impl Content<TuiOut> + 'a {
Map::new(tracks,
move|(index, track, x1, x2): (usize, &'a Track, usize, usize), _|{
let width = (x2 - x1) as u16;
map_east(x1 as u16, width, Fixed::X(width, Tui::fg_bg(
track.color.lightest.rgb,
track.color.base.rgb,
callback(index, track))))})
}
}
impl<const N: usize> Samples<N> {
fn get (&self, index: usize) -> &Option<Arc<RwLock<Sample>>> {
if index < self.0.len() {
&self.0[index]
} else {
&None
}
}
}
impl<const N: usize> Default for Samples<N> {
fn default () -> Self {
Self([const { None }; N])
}
}
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