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🪞👃🪞 2025-05-14 14:35:19 +03:00
parent 6ce83fb27a
commit ebdb8881e9
19 changed files with 793 additions and 691 deletions
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138
crates/app/src/model.rs
View file

@ -6,27 +6,21 @@ pub struct App {
pub jack: Jack,
/// Port handles
pub ports: std::collections::BTreeMap<u32, Port<Unowned>>,
/// Source of time
pub clock: Clock,
/// Display size
pub size: Measure<TuiOut>,
/// Performance counter
pub perf: PerfModel,
// View and input definition
pub config: Configuration,
/// Undo history
pub history: Vec<AppCommand>,
// Dialog overlay
pub dialog: Option<Dialog>,
/// Browses external resources, such as directories
pub browser: Option<Browser>,
/// Contains all clips in the project
pub pool: Option<Pool>,
/// Contains the currently edited MIDI clip
pub editor: Option<MidiEditor>,
pub config: Configuration,
/// Contains the currently edited musical arrangement
pub arranger: Arrangement,
pub project: Arrangement,
/// Undo history
pub history: Vec<AppCommand>,
// Dialog overlay
pub dialog: Option<Dialog>,
/// Contains the currently edited MIDI clip
pub editor: Option<MidiEditor>,
// Cache of formatted strings
pub view_cache: Arc<RwLock<ViewCache>>,
@ -34,11 +28,12 @@ pub struct App {
pub color: ItemTheme,
}
has!(Option<Selection>: |self: App|self.arrangement.selected);
has!(Vec<JackMidiIn>: |self: App|self.arrangement.midi_ins);
has!(Vec<JackMidiOut>: |self: App|self.arrangement.midi_outs);
has!(Vec<Scene>: |self: App|self.arrangement.scenes);
has!(Vec<Track>: |self: App|self.arrangement.tracks);
has!(Option<Selection>: |self: App|self.project.selected);
has!(Vec<JackMidiIn>: |self: App|self.project.midi_ins);
has!(Vec<JackMidiOut>: |self: App|self.project.midi_outs);
has!(Vec<Scene>: |self: App|self.project.scenes);
has!(Vec<Track>: |self: App|self.project.tracks);
has!(Clock: |self: App|self.project.clock);
impl App {
pub fn toggle_dialog (&mut self, dialog: Option<Dialog>) {
@ -67,11 +62,85 @@ impl App {
}
pub(crate) fn device_add (&mut self, index: usize) -> Usually<()> {
match index {
0 => self.arrangement.device_add_sampler(),
1 => self.arrangement.device_add_lv2(),
0 => self.device_add_sampler(),
1 => self.device_add_lv2(),
_ => unreachable!(),
}
}
fn device_add_lv2 (&mut self) -> Usually<()> {
todo!();
Ok(())
}
fn device_add_sampler (&mut self, jack: &Jack) -> Usually<usize> {
let name = jack.with_client(|c|c.name().to_string());
let midi = self.track().expect("no active track").sequencer.midi_outs[0].name();
let sampler = if let Ok(sampler) = Sampler::new(
jack,
&format!("{}/Sampler", Has::<Track>::get(self).name),
&[PortConnect::exact(format!("{name}:{midi}"))],
&[&[], &[]],
&[&[], &[]]
) {
self.dialog = None;
Device::Sampler(sampler)
} else {
self.dialog = Some(Dialog::Message(Message::FailedToAddDevice));
return Err("failed to add device".into())
};
Has::<Track>::get_mut(self).expect("no active track").devices.push(sampler);
Ok(())
}
// Create new clip in pool when entering empty cell
fn clip_auto_create (&mut self) -> Option<Arc<RwLock<MidiClip>>> {
if let Some(pool) = Has::<Option<Pool>>::get(self)
&& let Some(Selection::TrackClip { track, scene }) = self.get()
&& let Some(scene) = Has::<Vec<Scene>>::get_mut(self).get_mut(*scene)
&& let Some(slot) = scene.clips.get_mut(*track)
&& slot.is_none()
&& let Some(track) = Has::<Vec<Track>>::get_mut(self).get_mut(*track)
{
let (index, mut clip) = 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(ref mut editor) = Has::<Option<MidiEditor>>::get_mut(self) {
editor.set_clip(Some(&clip));
}
*slot = Some(clip.clone());
Some(clip)
} else {
None
}
}
}
#[cfg(all(feature = "pool", feature = "editor"))]
pub trait AutoRemove:
Has<Vec<Scene>> +
Has<Vec<Track>> +
Has<Option<MidiEditor>> +
Has<Option<Selection>> +
Has<Option<Pool>> +
Send + Sync
{
// Remove clip from arrangement when exiting empty clip editor
fn clip_auto_remove (&mut self) {
if let Some(ref mut pool) = Has::<Option<Pool>>::get(self)
&& let Some(Selection::TrackClip { track, scene }) = self.get()
&& let Some(scene) = Has::<Vec<Scene>>::get_mut(self).get_mut(*scene)
&& let Some(slot) = scene.clips.get_mut(*track)
&& let Some(clip) = slot.as_mut()
{
let mut swapped = None;
if clip.read().unwrap().count_midi_messages() == 0 {
std::mem::swap(&mut swapped, slot);
}
if let Some(clip) = swapped {
pool.delete_clip(&clip.read().unwrap());
}
}
}
}
}
/// Various possible dialog overlays
@ -81,8 +150,8 @@ pub enum Dialog {
Menu,
Device(usize),
Message(Message),
Save,
Load,
Save(Browser),
Load(Browser),
Options,
}
@ -234,27 +303,4 @@ impl App {
0
}
}
fn device_add_lv2 (&mut self) -> Usually<()> {
todo!();
Ok(())
}
fn device_add_sampler (&mut self, jack: &Jack) -> Usually<usize> {
let name = jack.with_client(|c|c.name().to_string());
let midi = self.track().expect("no active track").sequencer.midi_outs[0].name();
let sampler = if let Ok(sampler) = Sampler::new(
jack,
&format!("{}/Sampler", Has::<Track>::get(self).name),
&[PortConnect::exact(format!("{name}:{midi}"))],
&[&[], &[]],
&[&[], &[]]
) {
self.dialog = None;
Device::Sampler(sampler)
} else {
self.dialog = Some(Dialog::Message(Message::FailedToAddDevice));
return Err("failed to add device".into())
};
Has::<Track>::get_mut(self).expect("no active track").devices.push(sampler);
Ok(())
}
}

110
crates/device/src/arranger/arranger_api.rs
View file

@ -6,6 +6,7 @@ impl Arrangement {
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!() }
fn _todo_opt_selection_ (&self) -> Option<Selection> { todo!() }
}
#[tengri_proc::command(Arrangement)]
@ -200,117 +201,20 @@ impl ArrangementCommand {
}
}
impl<'state> Context<'state, TrackCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<TrackCommand> {
impl<'state> Context<'state, MidiInputCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<MidiInputCommand> {
Context::get(&self, iter)
}
}
#[tengri_proc::expose]
impl Track {
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!() }
}
#[tengri_proc::command(Track)]
impl TrackCommand {
fn set_name (track: &mut Track, mut name: Arc<str>) -> Perhaps<Self> {
std::mem::swap(&mut name, &mut track.name);
Ok(Some(Self::SetName { name }))
}
fn set_color (track: &mut Track, mut color: ItemTheme) -> Perhaps<Self> {
std::mem::swap(&mut color, &mut track.color);
Ok(Some(Self::SetColor { color }))
}
fn set_mute (track: &mut Track, value: Option<bool>) -> Perhaps<Self> {
todo!()
}
fn set_solo (track: &mut Track, value: Option<bool>) -> Perhaps<Self> {
todo!()
}
fn set_rec (track: &mut Track, value: Option<bool>) -> Perhaps<Self> {
let current = track.sequencer.recording;
let value = value.unwrap_or(!current);
Ok((value != current).then_some(Self::SetRec { value: Some(current) }))
}
fn set_mon (track: &mut Track, value: Option<bool>) -> Perhaps<Self> {
let current = track.sequencer.monitoring;
let value = value.unwrap_or(!current);
Ok((value != current).then_some(Self::SetRec { value: Some(current) }))
}
fn set_size (track: &mut Track, size: usize) -> Perhaps<Self> {
todo!()
}
fn set_zoom (track: &mut Track, zoom: usize) -> Perhaps<Self> {
todo!()
}
fn stop (track: &mut Track) -> Perhaps<Self> {
track.sequencer.enqueue_next(None);
Ok(None)
}
}
impl<'state> Context<'state, SceneCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<SceneCommand> {
impl<'state> Context<'state, MidiOutputCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<MidiOutputCommand> {
Context::get(&self, iter)
}
}
impl<'state> Context<'state, ClipCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<ClipCommand> {
impl<'state> Context<'state, DeviceCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<DeviceCommand> {
Context::get(&self, iter)
}
}
#[tengri_proc::expose]
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!() }
}
#[tengri_proc::command(Scene)]
impl SceneCommand {
fn set_name (scene: &mut Scene, mut name: Arc<str>) -> Perhaps<Self> {
std::mem::swap(&mut scene.name, &mut name);
Ok(Some(Self::SetName { name }))
}
fn set_color (scene: &mut Scene, mut color: ItemTheme) -> Perhaps<Self> {
std::mem::swap(&mut scene.color, &mut color);
Ok(Some(Self::SetColor { color }))
}
fn set_size (scene: &mut Scene, size: usize) -> Perhaps<Self> {
todo!()
}
fn set_zoom (scene: &mut Scene, zoom: usize) -> Perhaps<Self> {
todo!()
}
}
#[tengri_proc::expose]
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!() }
}
#[tengri_proc::command(MidiClip)]
impl ClipCommand {
fn set_color (clip: &mut MidiClip, color: Option<ItemTheme>) -> Perhaps<Self> {
//(SetColor [t: usize, s: usize, c: ItemTheme]
//clip.clip_set_color(t, s, c).map(|o|Self::SetColor(t, s, o)))));
//("color" [a: usize, b: usize] Some(Self::SetColor(a.unwrap(), b.unwrap(), ItemTheme::random())))
todo!()
}
fn set_loop (clip: &mut MidiClip, looping: Option<bool>) -> Perhaps<Self> {
//(SetLoop [t: usize, s: usize, l: bool] cmd_todo!("\n\rtodo: {self:?}"))
//("loop" [a: usize, b: usize, c: bool] Some(Self::SetLoop(a.unwrap(), b.unwrap(), c.unwrap())))
todo!()
}
}

94
crates/device/src/arranger/arranger_clip.rs
View file

@ -1,5 +1,36 @@
use crate::*;
impl<'state> Context<'state, ClipCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<ClipCommand> {
Context::get(&self, iter)
}
}
#[tengri_proc::expose]
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!() }
}
#[tengri_proc::command(MidiClip)]
impl ClipCommand {
fn set_color (clip: &mut MidiClip, color: Option<ItemTheme>) -> Perhaps<Self> {
//(SetColor [t: usize, s: usize, c: ItemTheme]
//clip.clip_set_color(t, s, c).map(|o|Self::SetColor(t, s, o)))));
//("color" [a: usize, b: usize] Some(Self::SetColor(a.unwrap(), b.unwrap(), ItemTheme::random())))
todo!()
}
fn set_loop (clip: &mut MidiClip, looping: Option<bool>) -> Perhaps<Self> {
//(SetLoop [t: usize, s: usize, l: bool] cmd_todo!("\n\rtodo: {self:?}"))
//("loop" [a: usize, b: usize, c: bool] Some(Self::SetLoop(a.unwrap(), b.unwrap(), c.unwrap())))
todo!()
}
}
impl Arrangement {
/// Put a clip in a slot
@ -26,7 +57,7 @@ impl Arrangement {
/// Get the active clip
pub(crate) fn clip (&self) -> Option<Arc<RwLock<MidiClip>>> {
self.scene()?.clips.get(self.selected().track()?)?.clone()
self.scene()?.clips.get(self.selected.track()?)?.clone()
}
/// Toggle looping for the active clip
@ -37,64 +68,3 @@ impl Arrangement {
}
}
#[cfg(all(feature = "pool", feature = "editor"))]
pub trait AutoCreate:
Has<Vec<Scene>> +
Has<Vec<Track>> +
Has<Option<MidiEditor>> +
Has<Option<Selection>> +
Has<Option<Pool>> +
Send + Sync
{
// Create new clip in pool when entering empty cell
fn clip_auto_create (&mut self) -> Option<Arc<RwLock<MidiClip>>> {
if let Some(pool) = Has::<Option<Pool>>::get(self)
&& let Some(Selection::TrackClip { track, scene }) = self.get()
&& let Some(scene) = Has::<Vec<Scene>>::get_mut(self).get_mut(scene)
&& let Some(slot) = scene.clips.get_mut(track)
&& slot.is_none()
&& let Some(track) = Has::<Vec<Track>>::get_mut(self).get_mut(track)
{
let (index, mut clip) = 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(ref mut editor) = Has::<Option<MidiEditor>>::get_mut(self) {
editor.set_clip(Some(&clip));
}
*slot = Some(clip.clone());
Some(clip)
} else {
None
}
}
}
#[cfg(all(feature = "pool", feature = "editor"))]
pub trait AutoRemove:
Has<Vec<Scene>> +
Has<Vec<Track>> +
Has<Option<MidiEditor>> +
Has<Option<Selection>> +
Has<Option<Pool>> +
Send + Sync
{
// Remove clip from arrangement when exiting empty clip editor
fn clip_auto_remove (&mut self) {
if let Some(ref mut pool) = Has::<Option<Pool>>::get(self)
&& let Some(Selection::TrackClip { track, scene }) = self.get()
&& let Some(scene) = Has::<Vec<Scene>>::get_mut(self).get_mut(scene)
&& let Some(slot) = scene.clips.get_mut(track)
&& let Some(clip) = slot.as_mut()
{
let mut swapped = None;
if clip.read().unwrap().count_midi_messages() == 0 {
std::mem::swap(&mut swapped, slot);
}
if let Some(clip) = swapped {
pool.delete_clip(&clip.read().unwrap());
}
}
}
}

24
crates/device/src/arranger/arranger_model.rs
View file

@ -6,6 +6,10 @@ pub struct Arrangement {
pub name: Arc<str>,
/// Base color.
pub color: ItemTheme,
/// Jack client handle
pub jack: Jack,
/// Source of time
pub clock: Clock,
/// List of global midi inputs
pub midi_ins: Vec<JackMidiIn>,
/// List of global midi outputs
@ -35,8 +39,8 @@ pub struct Arrangement {
pub arranger: Arc<RwLock<Buffer>>,
/// Display size
pub size: Measure<TuiOut>,
/// Jack client handle
pub jack: Jack,
/// Contains all clips in arrangement
pub pool: Pool,
}
has!(Option<Selection>: |self: Arrangement|self.selected);
@ -45,6 +49,7 @@ has!(Vec<JackMidiOut>: |self: Arrangement|self.midi_outs);
has!(Vec<Scene>: |self: Arrangement|self.scenes);
has!(Vec<Track>: |self: Arrangement|self.tracks);
has!(Jack: |self: Arrangement|self.jack);
has!(Clock: |self: Arrangement|self.clock);
impl Arrangement {
/// Width of display
@ -57,7 +62,8 @@ impl Arrangement {
}
/// Width taken by all tracks.
pub(crate) fn w_tracks (&self) -> u16 {
self.tracks_with_sizes().last().map(|(_, _, _, x)|x as u16).unwrap_or(0)
self.tracks_with_sizes(&self.selected, None).last()
.map(|(_, _, _, x)|x as u16).unwrap_or(0)
}
/// Width available to display tracks.
pub(crate) fn w_tracks_area (&self, is_editing: bool) -> u16 {
@ -114,3 +120,15 @@ impl Arrangement {
//1 + self.devices_with_sizes().last().map(|(_, _, _, _, y)|y as u16).unwrap_or(0)
}
}
#[cfg(feature = "sampler")]
impl Arrangement {
/// Get the first sampler of the active track
pub fn sampler (&self) -> Option<&Sampler> {
self.track().map(|t|t.sampler(0)).flatten()
}
/// Get the first sampler of the active track
pub fn sampler_mut (&mut self) -> Option<&mut Sampler> {
self.track_mut().map(|t|t.sampler_mut(0)).flatten()
}
}

36
crates/device/src/arranger/arranger_scene.rs
View file

@ -1,10 +1,42 @@
use crate::*;
impl<'state> Context<'state, SceneCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<SceneCommand> {
Context::get(&self, iter)
}
}
#[tengri_proc::expose]
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!() }
}
#[tengri_proc::command(Scene)]
impl SceneCommand {
fn set_name (scene: &mut Scene, mut name: Arc<str>) -> Perhaps<Self> {
std::mem::swap(&mut scene.name, &mut name);
Ok(Some(Self::SetName { name }))
}
fn set_color (scene: &mut Scene, mut color: ItemTheme) -> Perhaps<Self> {
std::mem::swap(&mut scene.color, &mut color);
Ok(Some(Self::SetColor { color }))
}
fn set_size (scene: &mut Scene, size: usize) -> Perhaps<Self> {
todo!()
}
fn set_zoom (scene: &mut Scene, zoom: usize) -> Perhaps<Self> {
todo!()
}
}
impl<T: Has<Option<Scene>> + Send + Sync> HasScene for T {}
pub trait HasScene: Has<Option<Scene>> + Send + Sync {
fn scene (&self) -> &Option<Scene> {
Has::<Option<Scene>>::get(self)
fn scene (&self) -> Option<&Scene> {
Has::<Option<Scene>>::get(self).as_ref()
}
fn scene_mut (&mut self) -> &mut Option<Scene> {
Has::<Option<Scene>>::get_mut(self)

8
crates/device/src/arranger/arranger_select.rs
View file

@ -13,9 +13,9 @@ pub trait HasSelection: Has<Selection> {
impl Has<Option<Track>> for Arrangement {
fn get (&self) -> &Option<Track> {
Has::<Option<Selection>>::get(self)
.and_then(|selection|selection.track())
.and_then(|index|Has::<Vec<Track>>::get(self).get(index))
let selection: Selection = Has::<Option<Track>>::get(self)?;
let index: Option<usize> = selection.track()?;
let track: Track = Has::<Vec<Track>>::get(self).get(index)?;
}
fn get_mut (&mut self) -> &mut Option<Track> {
Has::<Option<Selection>>::get(self)
@ -33,7 +33,7 @@ impl Has<Option<Scene>> for Arrangement {
fn get_mut (&mut self) -> &mut Option<Scene> {
Has::<Option<Selection>>::get(self)
.and_then(|selection|selection.track())
.and_then(|index|Has::<Vec<Scene>>::get_mut(self).get_mut(index))
.and_then(|index|Has::<Vec<Scene>>::get_mut(self).get_mut(index).as_deref())
}
}

236
crates/device/src/arranger/arranger_track.rs
View file

@ -1,5 +1,57 @@
use crate::*;
impl<'state> Context<'state, TrackCommand> for Arrangement {
fn get <'source> (&'state self, iter: &mut TokenIter<'source>) -> Option<TrackCommand> {
Context::get(&self, iter)
}
}
#[tengri_proc::expose]
impl Track {
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!() }
}
#[tengri_proc::command(Track)]
impl TrackCommand {
fn set_name (track: &mut Track, mut name: Arc<str>) -> Perhaps<Self> {
std::mem::swap(&mut name, &mut track.name);
Ok(Some(Self::SetName { name }))
}
fn set_color (track: &mut Track, mut color: ItemTheme) -> Perhaps<Self> {
std::mem::swap(&mut color, &mut track.color);
Ok(Some(Self::SetColor { color }))
}
fn set_mute (track: &mut Track, value: Option<bool>) -> Perhaps<Self> {
todo!()
}
fn set_solo (track: &mut Track, value: Option<bool>) -> Perhaps<Self> {
todo!()
}
fn set_rec (track: &mut Track, value: Option<bool>) -> Perhaps<Self> {
let current = track.sequencer.recording;
let value = value.unwrap_or(!current);
Ok((value != current).then_some(Self::SetRec { value: Some(current) }))
}
fn set_mon (track: &mut Track, value: Option<bool>) -> Perhaps<Self> {
let current = track.sequencer.monitoring;
let value = value.unwrap_or(!current);
Ok((value != current).then_some(Self::SetRec { value: Some(current) }))
}
fn set_size (track: &mut Track, size: usize) -> Perhaps<Self> {
todo!()
}
fn set_zoom (track: &mut Track, zoom: usize) -> Perhaps<Self> {
todo!()
}
fn stop (track: &mut Track) -> Perhaps<Self> {
track.sequencer.enqueue_next(None);
Ok(None)
}
}
#[derive(Debug, Default)]
pub struct Track {
/// Name of track
@ -97,77 +149,6 @@ impl Track {
}
}
impl<T: Has<Vec<Track>> + Send + Sync> HasTracks for T {}
pub trait HasTracks: Has<Vec<Track>> + Send + Sync {
fn tracks (&self) -> &Vec<Track> {
Has::<Vec<Track>>::get(self)
}
fn tracks_mut (&mut self) -> &mut Vec<Track> {
Has::<Vec<Track>>::get_mut(self)
}
/// Run audio callbacks for every track and every device
fn tracks_render (&mut self, client: &Client, scope: &ProcessScope) -> Control {
for track in self.tracks_mut().iter_mut() {
if Control::Quit == PlayerAudio(
track.sequencer_mut(), &mut self.note_buf, &mut self.midi_buf
).process(client, scope) {
return Control::Quit
}
for device in track.devices.iter_mut() {
if Control::Quit == DeviceAudio(device).process(client, scope) {
return Control::Quit
}
}
}
Control::Continue
}
fn track_longest_name (&self) -> usize {
self.tracks().iter().map(|s|s.name.len()).fold(0, usize::max)
}
/// Stop all playing clips
fn tracks_stop_all (&mut self) {
for track in self.tracks_mut().iter_mut() {
track.sequencer.enqueue_next(None);
}
}
/// Stop all playing clips
fn tracks_launch (&mut self, clips: Option<Vec<Option<Arc<RwLock<MidiClip>>>>>) {
if let Some(clips) = clips {
for (clip, track) in clips.iter().zip(self.tracks_mut()) {
track.sequencer.enqueue_next(clip);
}
} else {
for track in self.tracks_mut().iter_mut() {
track.sequencer.enqueue_next(None);
}
}
}
/// Iterate over tracks with their corresponding sizes.
fn tracks_with_sizes (
&self,
selection: &Option<Selection>,
editor_width: Option<usize>
) -> impl TracksSizes<'_> {
let mut x = 0;
let active_track = if let Some(width) = editor_width && let Some(selection) = selection {
selection.track()
} else {
None
};
self.tracks().iter().enumerate().map(move |(index, track)|{
let width = active_track
.and_then(|_|editor_width)
.unwrap_or(track.width.max(8));
let data = (index, track, x, x + width);
x += width + Self::TRACK_SPACING;
data
})
}
/// Spacing between tracks.
const TRACK_SPACING: usize = 0;
}
impl<T: Has<Option<Track>> + Send + Sync> HasTrack for T {}
pub trait HasTrack: Has<Option<Track>> + Send + Sync {
@ -178,116 +159,3 @@ pub trait HasTrack: Has<Option<Track>> + Send + Sync {
Has::<Option<Track>>::get_mut(self).as_mut()
}
}
impl<'a> ArrangerView<'a> {
pub(crate) fn tracks_with_sizes_scrolled (&'a self)
-> impl TracksSizes<'a>
{
self.arrangement
.tracks_with_sizes(&self.arrangement.selected, self.is_editing.then_some(20/*FIXME*/))
.map_while(move|(t, track, x1, x2)|{
(self.width_mid > x2 as u16).then_some((t, track, x1, x2))
})
}
}
pub(crate) fn per_track_top <'a, T: Content<TuiOut> + 'a, U: TracksSizes<'a>> (
width: u16,
tracks: impl Fn() -> U + Send + Sync + 'a,
callback: impl Fn(usize, &'a Track)->T + Send + Sync + 'a
) -> impl Content<TuiOut> + 'a {
Align::x(Tui::bg(Reset, 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))))})))
}
pub(crate) fn per_track <'a, T: Content<TuiOut> + 'a, U: TracksSizes<'a>> (
width: u16,
tracks: impl Fn() -> U + Send + Sync + 'a,
callback: impl Fn(usize, &'a Track)->T + Send + Sync + 'a
) -> impl Content<TuiOut> + 'a {
per_track_top(
width,
tracks,
move|index, track|Fill::y(Align::y(callback(index, track)))
)
}
impl<T: HasTracks + HasScenes + HasClock + HasJack> AddTrack for T {}
pub trait AddTrack: HasTracks + HasScenes + HasClock + HasJack {
/// Add multiple tracks
fn tracks_add (
&mut self,
count: usize,
width: Option<usize>,
mins: &[PortConnect],
mouts: &[PortConnect],
) -> Usually<()> {
let jack = self.jack().clone();
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 mut track = self.track_add(None, Some(color), mins, mouts)?.1;
if let Some(width) = width {
track.width = width;
}
}
Ok(())
}
/// Add a track
fn track_add (
&mut self,
name: Option<&str>,
color: Option<ItemTheme>,
mins: &[PortConnect],
mouts: &[PortConnect],
) -> Usually<(usize, &mut Track)> {
self.track_last += 1;
let name: Arc<str> = name.map_or_else(
||format!("Track{:02}", self.track_last).into(),
|x|x.to_string().into()
);
let mut 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]))
}
}
#[cfg(feature = "sampler")]
impl Arrangement {
/// Get the first sampler of the active track
pub fn sampler (&self) -> Option<&Sampler> {
self.track().map(|t|t.sampler(0)).flatten()
}
/// Get the first sampler of the active track
pub fn sampler_mut (&mut self) -> Option<&mut Sampler> {
self.track_mut().map(|t|t.sampler_mut(0)).flatten()
}
}

145
crates/device/src/arranger/arranger_tracks.rs
View file

@ -0,0 +1,145 @@
use crate::*;
impl<T: Has<Vec<Track>> + Send + Sync> HasTracks for T {}
pub trait HasTracks: Has<Vec<Track>> + Send + Sync {
fn tracks (&self) -> &Vec<Track> {
Has::<Vec<Track>>::get(self)
}
fn tracks_mut (&mut self) -> &mut Vec<Track> {
Has::<Vec<Track>>::get_mut(self)
}
/// Run audio callbacks for every track and every device
fn process_tracks (&mut self, client: &Client, scope: &ProcessScope) -> Control {
for track in self.tracks_mut().iter_mut() {
if Control::Quit == Audio::process(&mut track.sequencer, client, scope) {
return Control::Quit
}
for device in track.devices.iter_mut() {
if Control::Quit == DeviceAudio(device).process(client, scope) {
return Control::Quit
}
}
}
Control::Continue
}
fn track_longest_name (&self) -> usize {
self.tracks().iter().map(|s|s.name.len()).fold(0, usize::max)
}
/// Stop all playing clips
fn tracks_stop_all (&mut self) {
for track in self.tracks_mut().iter_mut() {
track.sequencer.enqueue_next(None);
}
}
/// Stop all playing clips
fn tracks_launch (&mut self, clips: Option<Vec<Option<Arc<RwLock<MidiClip>>>>>) {
if let Some(clips) = clips {
for (clip, track) in clips.iter().zip(self.tracks_mut()) {
track.sequencer.enqueue_next(clip.as_ref());
}
} else {
for track in self.tracks_mut().iter_mut() {
track.sequencer.enqueue_next(None);
}
}
}
/// Iterate over tracks with their corresponding sizes.
fn tracks_with_sizes (
&self,
selection: &Option<Selection>,
editor_width: Option<usize>
) -> impl TracksSizes<'_> {
let mut x = 0;
let active_track = if let Some(width) = editor_width && let Some(selection) = selection {
selection.track()
} else {
None
};
self.tracks().iter().enumerate().map(move |(index, track)|{
let width = active_track
.and_then(|_|editor_width)
.unwrap_or(track.width.max(8));
let data = (index, track, x, x + width);
x += width + Self::TRACK_SPACING;
data
})
}
/// Spacing between tracks.
const TRACK_SPACING: usize = 0;
}
impl<'a> ArrangerView<'a> {
pub(crate) fn tracks_with_sizes_scrolled (&'a self)
-> impl TracksSizes<'a>
{
self.arrangement
.tracks_with_sizes(&self.arrangement.selected, self.is_editing.then_some(20/*FIXME*/))
.map_while(move|(t, track, x1, x2)|{
(self.width_mid > x2 as u16).then_some((t, track, x1, x2))
})
}
}
impl<T: HasTracks + HasScenes + HasClock + HasJack> AddTrack for T {}
pub trait AddTrack: HasTracks + HasScenes + HasClock + HasJack {
/// Add multiple tracks
fn tracks_add (
&mut self,
count: usize,
width: Option<usize>,
mins: &[PortConnect],
mouts: &[PortConnect],
) -> Usually<()> {
let jack = self.jack().clone();
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 mut track = self.track_add(None, Some(color), mins, mouts)?.1;
if let Some(width) = width {
track.width = width;
}
}
Ok(())
}
/// Add a track
fn track_add (
&mut self,
name: Option<&str>,
color: Option<ItemTheme>,
mins: &[PortConnect],
mouts: &[PortConnect],
) -> Usually<(usize, &mut Track)> {
self.track_last += 1;
let name: Arc<str> = name.map_or_else(
||format!("Track{:02}", self.track_last).into(),
|x|x.to_string().into()
);
let mut 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]))
}
}

26
crates/device/src/arranger/arranger_view.rs
View file

@ -283,3 +283,29 @@ impl<'a> ArrangerView<'a> {
}
}
pub(crate) fn per_track_top <'a, T: Content<TuiOut> + 'a, U: TracksSizes<'a>> (
width: u16,
tracks: impl Fn() -> U + Send + Sync + 'a,
callback: impl Fn(usize, &'a Track)->T + Send + Sync + 'a
) -> impl Content<TuiOut> + 'a {
Align::x(Tui::bg(Reset, 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))))})))
}
pub(crate) fn per_track <'a, T: Content<TuiOut> + 'a, U: TracksSizes<'a>> (
width: u16,
tracks: impl Fn() -> U + Send + Sync + 'a,
callback: impl Fn(usize, &'a Track)->T + Send + Sync + 'a
) -> impl Content<TuiOut> + 'a {
per_track_top(
width,
tracks,
move|index, track|Fill::y(Align::y(callback(index, track)))
)
}

21
crates/device/src/clock/clock_model.rs
View file

@ -177,4 +177,25 @@ impl Clock {
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)
}
}

405
crates/device/src/sequencer/seq_audio.rs
View file

@ -1,82 +1,45 @@
use crate::*;
/// Hosts the JACK callback for a single MIDI sequencer
pub struct PlayerAudio<'a, T: MidiSequencer>(
/// Player
pub &'a mut T,
/// Note buffer
pub &'a mut Vec<u8>,
/// Note chunk buffer
pub &'a mut Vec<Vec<Vec<u8>>>,
);
/// JACK process callback for a sequencer's clip sequencer/recorder.
impl<T: MidiSequencer> Audio for PlayerAudio<'_, T> {
impl Audio for Sequencer {
fn process (&mut self, _: &Client, scope: &ProcessScope) -> Control {
let model = &mut self.0;
let note_buf = &mut self.1;
let midi_buf = &mut self.2;
// Clear output buffer(s)
model.clear(scope, midi_buf, false);
// Write chunk of clip to output, handle switchover
if model.play(scope, note_buf, midi_buf) {
model.switchover(scope, note_buf, midi_buf);
if self.clock().is_rolling() {
self.process_rolling(scope)
} else {
self.process_stopped(scope)
}
if !model.midi_ins().is_empty() {
if model.recording() || model.monitoring() {
// Record and/or monitor input
model.record(scope, midi_buf)
} else if model.midi_outs().is_empty() && model.monitoring() {
// Monitor input to output
model.monitor(scope, midi_buf)
}
}
// Write to output port(s)
model.write(scope, midi_buf);
Control::Continue
}
}
pub trait MidiSequencer: MidiRecorder + MidiPlayer + Send + Sync {}
impl MidiSequencer for Sequencer {}
pub trait MidiRecorder: HasClock + HasPlayClip + HasMidiIns {
fn notes_in (&self) -> &Arc<RwLock<[bool;128]>>;
fn recording (&self) -> bool;
fn recording_mut (&mut self) -> &mut bool;
fn toggle_record (&mut self) {
*self.recording_mut() = !self.recording();
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 monitoring (&self) -> bool;
fn monitoring_mut (&mut self) -> &mut bool;
fn toggle_monitor (&mut self) {
*self.monitoring_mut() = !self.monitoring();
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 overdub (&self) -> bool;
fn overdub_mut (&mut self) -> &mut bool;
fn toggle_overdub (&mut self) {
*self.overdub_mut() = !self.overdub();
}
fn monitor (&mut self, scope: &ProcessScope, midi_buf: &mut Vec<Vec<Vec<u8>>>) {
// For highlighting keys and note repeat
let notes_in = self.notes_in().clone();
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_mut().iter() {
for (sample, event, bytes) in parse_midi_input(input.port().iter(scope)) {
for input in self.midi_ins.iter() {
for (sample, event, bytes) in input.parsed(scope) {
if let LiveEvent::Midi { message, .. } = event {
if monitoring {
midi_buf[sample].push(bytes.to_vec());
self.midi_buf[sample].push(bytes.to_vec());
}
// FIXME: don't lock on every event!
update_keys(&mut notes_in.write().unwrap(), &message);
@ -84,28 +47,143 @@ pub trait MidiRecorder: HasClock + HasPlayClip + HasMidiIns {
}
}
}
fn record (&mut self, scope: &ProcessScope, midi_buf: &mut Vec<Vec<Vec<u8>>>) {
/// 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, midi_buf);
self.monitor(scope);
}
if !self.clock().is_rolling() {
return
}
if let Some((started, ref clip)) = self.play_clip().clone() {
self.record_clip(scope, started, clip, midi_buf);
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(ref 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);
}
}
}
}
pub trait HasMidiBuffers {
fn note_buf_mut (&mut self) -> &mut Vec<u8>;
fn midi_buf_mut (&mut self) -> &mut Vec<Vec<Vec<u8>>>;
}
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
}
}
pub trait MidiMonitor: HasMidiIns + HasMidiBuffers {
fn notes_in (&self) -> &Arc<RwLock<[bool;128]>>;
fn monitoring (&self) -> bool;
fn monitoring_mut (&mut self) -> &mut bool;
fn toggle_monitor (&mut self) {
*self.monitoring_mut() = !self.monitoring();
}
fn monitor (&mut self, scope: &ProcessScope) {
}
}
pub trait MidiRecord: MidiMonitor + HasClock + HasPlayClip {
fn recording (&self) -> bool;
fn recording_mut (&mut self) -> &mut bool;
fn toggle_record (&mut self) {
*self.recording_mut() = !self.recording();
}
fn overdub (&self) -> bool;
fn overdub_mut (&mut self) -> &mut bool;
fn toggle_overdub (&mut self) {
*self.overdub_mut() = !self.overdub();
}
fn record_clip (
&mut self,
scope: &ProcessScope,
started: Moment,
clip: &Option<Arc<RwLock<MidiClip>>>,
_midi_buf: &mut Vec<Vec<Vec<u8>>>
scope: &ProcessScope,
started: Moment,
clip: &Option<Arc<RwLock<MidiClip>>>,
) {
if let Some(clip) = clip {
let sample0 = scope.last_frame_time() as usize;
@ -113,7 +191,7 @@ pub trait MidiRecorder: HasClock + HasPlayClip + HasMidiIns {
let _recording = self.recording();
let timebase = self.clock().timebase().clone();
let quant = self.clock().quant.get();
let mut clip = clip.write().unwrap();
let mut clip = clip.write().unwrap();
let length = clip.length;
for input in self.midi_ins_mut().iter() {
for (sample, event, _bytes) in parse_midi_input(input.port().iter(scope)) {
@ -133,173 +211,4 @@ pub trait MidiRecorder: HasClock + HasPlayClip + HasMidiIns {
fn record_next (&mut self) {
// TODO switch to next clip and record into it
}
}
pub trait MidiPlayer: HasPlayClip + HasClock + HasMidiOuts {
fn notes_out (&self) -> &Arc<RwLock<[bool;128]>>;
/// Clear the section of the output buffer that we will be using,
/// emitting "all notes off" at start of buffer if requested.
fn clear (
&mut self, scope: &ProcessScope, out: &mut [Vec<Vec<u8>>], reset: bool
) {
let n_frames = (scope.n_frames() as usize).min(out.len());
for frame in &mut out[0..n_frames] {
frame.clear();
}
if reset {
all_notes_off(out);
}
}
/// Output notes from clip to MIDI output ports.
fn play (
&mut self, scope: &ProcessScope, note_buf: &mut Vec<u8>, out: &mut [Vec<Vec<u8>>]
) -> bool {
if !self.clock().is_rolling() {
return false
}
// 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() {
self.play_chunk(scope, note_buf, out, started, clip)
} else {
true
}
}
fn play_chunk (
&self,
scope: &ProcessScope,
note_buf: &mut Vec<u8>,
out: &mut [Vec<Vec<u8>>],
started: &Moment,
clip: &Option<Arc<RwLock<MidiClip>>>
) -> bool {
// Index of first sample to populate.
let offset = self.get_sample_offset(scope, started);
// Notes active during current chunk.
let notes = &mut self.notes_out().write().unwrap();
// Length of clip.
let length = clip.as_ref().map_or(0, |p|p.read().unwrap().length);
// Write MIDI events from clip at sample offsets corresponding to pulses.
for (sample, pulse) in self.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(ref clip) = clip {
Self::play_pulse(clip, pulse, sample, note_buf, out, notes)
}
}
false
}
/// 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.
fn get_sample_offset (&self, scope: &ProcessScope, started: &Moment) -> usize{
(scope.last_frame_time() as usize).saturating_sub(
started.sample.get() as usize +
self.clock().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.
fn get_pulses (&self, scope: &ProcessScope, offset: usize) -> TicksIterator {
self.clock().timebase().pulses_between_samples(
offset, offset + scope.n_frames() as usize)
}
/// Handle switchover from current to next playing clip.
fn switchover (
&mut self, scope: &ProcessScope, note_buf: &mut Vec<u8>, out: &mut [Vec<Vec<u8>>]
) {
if !self.clock().is_rolling() {
return
}
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.play(scope, note_buf, out);
}
}
}
fn play_pulse (
clip: &RwLock<MidiClip>,
pulse: usize,
sample: usize,
note_buf: &mut Vec<u8>,
out: &mut [Vec<Vec<u8>>],
notes: &mut [bool;128]
) {
// 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() {
// Clear output buffer for this MIDI event.
note_buf.clear();
// TODO: support MIDI channels other than CH1.
let channel = 0.into();
// Serialize MIDI event into message buffer.
LiveEvent::Midi { channel, message: *message }
.write(note_buf)
.unwrap();
// Append serialized message to output buffer.
out[sample].push(note_buf.clone());
// Update the list of currently held notes.
update_keys(&mut*notes, message);
}
}
}
/// Write a chunk of MIDI data from the output buffer to all assigned output ports.
fn write (&mut self, scope: &ProcessScope, out: &[Vec<Vec<u8>>]) {
let samples = scope.n_frames() as usize;
for port in self.midi_outs_mut().iter_mut() {
Self::write_port(&mut port.port_mut().writer(scope), samples, out)
}
}
/// Write a chunk of MIDI data from the output buffer to an output port.
fn write_port (writer: &mut MidiWriter, samples: usize, out: &[Vec<Vec<u8>>]) {
for (time, events) in out.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:?}");
});
}
}
}
}

44
crates/device/src/sequencer/seq_model.rs
View file

@ -2,17 +2,17 @@
use crate::*;
impl<T: Has<Sequencer>> HasSequencer for T {
fn sequencer (&self) -> &impl MidiSequencer {
fn sequencer (&self) -> &Sequencer {
self.get()
}
fn sequencer_mut (&mut self) -> &mut impl MidiSequencer {
fn sequencer_mut (&mut self) -> &mut Sequencer {
self.get_mut()
}
}
pub trait HasSequencer {
fn sequencer (&self) -> &impl MidiSequencer;
fn sequencer_mut (&mut self) -> &mut impl MidiSequencer;
fn sequencer (&self) -> &Sequencer;
fn sequencer_mut (&mut self) -> &mut Sequencer;
}
/// Contains state for playing a clip
@ -41,6 +41,8 @@ pub struct Sequencer {
pub notes_out: Arc<RwLock<[bool; 128]>>,
/// MIDI output buffer
pub note_buf: Vec<u8>,
/// MIDI output buffer
pub midi_buf: Vec<Vec<Vec<u8>>>,
}
impl Default for Sequencer {
@ -55,6 +57,7 @@ impl Default for Sequencer {
notes_in: RwLock::new([false;128]).into(),
notes_out: RwLock::new([false;128]).into(),
note_buf: vec![0;8],
midi_buf: vec![],
reset: true,
midi_ins: vec![],
@ -80,14 +83,10 @@ impl Sequencer {
midi_outs: vec![JackMidiOut::new(jack, format!("{}/M", name.as_ref()), midi_to)?, ],
play_clip: clip.map(|clip|(Moment::zero(&clock.timebase), Some(clip.clone()))),
clock,
note_buf: vec![0;8],
reset: true,
recording: false,
monitoring: false,
overdub: false,
next_clip: None,
notes_in: RwLock::new([false;128]).into(),
notes_out: RwLock::new([false;128]).into(),
..Default::default()
})
}
}
@ -106,12 +105,9 @@ has!(Clock: |self: Sequencer|self.clock);
has!(Vec<JackMidiIn>: |self:Sequencer| self.midi_ins);
has!(Vec<JackMidiOut>: |self:Sequencer| self.midi_outs);
impl MidiRecorder for Sequencer {
fn recording (&self) -> bool {
self.recording
}
fn recording_mut (&mut self) -> &mut bool {
&mut self.recording
impl MidiMonitor for Sequencer {
fn notes_in (&self) -> &Arc<RwLock<[bool; 128]>> {
&self.notes_in
}
fn monitoring (&self) -> bool {
self.monitoring
@ -119,21 +115,21 @@ impl MidiRecorder for Sequencer {
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
}
fn notes_in (&self) -> &Arc<RwLock<[bool; 128]>> {
&self.notes_in
}
}
impl MidiPlayer for Sequencer {
fn notes_out (&self) -> &Arc<RwLock<[bool; 128]>> {
&self.notes_out
}
}
impl HasPlayClip for Sequencer {

4
crates/engine/src/jack/jack_port.rs
View file

@ -189,7 +189,7 @@ macro_rules! impl_port {
type Pair = $Pair;
fn port (&self) -> &Port<$Spec> { &self.port }
}
impl JackPortConnect<&str> for $Name {
impl JackPortConnect<&str> for $Name {
fn connect_to (&self, to: &str) -> Usually<PortConnectStatus> {
self.with_client(|c|if let Some(ref port) = c.port_by_name(to.as_ref()) {
self.connect_to(port)
@ -233,5 +233,3 @@ impl_port!(JackAudioIn: AudioIn -> AudioOut |j, n|j.register_port::<AudioIn>(n
impl_port!(JackAudioOut: AudioOut -> AudioIn |j, n|j.register_port::<AudioOut>(n));
impl_port!(JackMidiIn: MidiIn -> MidiOut |j, n|j.register_port::<MidiIn>(n));
impl_port!(JackMidiOut: MidiOut -> MidiIn |j, n|j.register_port::<MidiOut>(n));

10
crates/engine/src/lib.rs
View file

@ -18,6 +18,16 @@ pub trait Has<T>: Send + Sync {
fn get_mut (&mut self) -> &mut T;
}
pub trait MaybeHas<T>: Send + Sync {
fn get (&self) -> Option<&T>;
}
impl<T, U: Has<Option<T>>> MaybeHas<T> for U {
fn get (&self) -> Option<&T> {
Has::<Option<T>>::get(self).as_ref()
}
}
#[macro_export] macro_rules! has {
($T:ty: |$self:ident : $S:ty| $x:expr) => {
impl Has<$T> for $S {

14
crates/engine/src/midi.rs
View file

@ -9,17 +9,9 @@ pub use ::midly::{
live::*,
};
mod midi_in; pub use self::midi_in::*;
mod midi_out; pub use self::midi_out::*;
/// Update notes_in array
pub fn update_keys (keys: &mut[bool;128], message: &MidiMessage) {
match message {
MidiMessage::NoteOn { key, .. } => { keys[key.as_int() as usize] = true; }
MidiMessage::NoteOff { key, .. } => { keys[key.as_int() as usize] = false; },
_ => {}
}
}
mod midi_in; pub use self::midi_in::*;
mod midi_out; pub use self::midi_out::*;
mod midi_hold; pub use self::midi_hold::*;
/// Return boxed iterator of MIDI events
pub fn parse_midi_input <'a> (input: ::jack::MidiIter<'a>) -> Box<dyn Iterator<Item=(usize, LiveEvent<'a>, &'a [u8])> + 'a> {

10
crates/engine/src/midi/midi_hold.rs Normal file
View file

@ -0,0 +1,10 @@
use crate::*;
/// Update notes_in array
pub fn update_keys (keys: &mut[bool;128], message: &MidiMessage) {
match message {
MidiMessage::NoteOn { key, .. } => { keys[key.as_int() as usize] = true; }
MidiMessage::NoteOff { key, .. } => { keys[key.as_int() as usize] = false; },
_ => {}
}
}

6
crates/engine/src/midi/midi_in.rs
View file

@ -1,5 +1,11 @@
use crate::*;
impl JackMidiIn {
pub fn parsed <'a> (&'a self, scope: &'a ProcessScope) -> impl Iterator<Item=(usize, LiveEvent<'a>, &'a [u8])> {
parse_midi_input(self.port().iter(scope))
}
}
#[tengri_proc::command(JackMidiIn)]
impl MidiInputCommand {
}

151
crates/engine/src/midi/midi_out.rs
View file

@ -1,5 +1,151 @@
use crate::*;
#[derive(Debug)] pub struct JackMidiOut {
/// Handle to JACK client, for receiving reconnect events.
jack: Jack,
/// Port name
name: Arc<str>,
/// Port handle.
port: Port<MidiOut>,
/// List of ports to connect to.
conn: Vec<PortConnect>,
/// List of currently held notes.
held: Arc<RwLock<[bool;128]>>,
/// Buffer
note_buffer: Vec<u8>,
/// Buffer
output_buffer: Vec<Vec<Vec<u8>>>,
}
has!(Jack: |self: JackMidiOut|self.jack);
impl JackMidiOut {
pub fn new (jack: &Jack, name: impl AsRef<str>, connect: &[PortConnect])
-> Usually<Self>
{
let jack = jack.clone();
let port = jack.register_port::<MidiOut>(name.as_ref())?;
let name = name.as_ref().into();
let conn = connect.to_vec();
let port = Self {
jack,
port,
name,
conn,
held: Arc::new([false;128].into()),
note_buffer: vec![0;8],
output_buffer: vec![vec![];65536],
};
port.connect_to_matching()?;
Ok(port)
}
pub fn name (&self) -> &Arc<str> {
&self.name
}
pub fn port (&self) -> &Port<MidiOut> {
&self.port
}
pub fn port_mut (&mut self) -> &mut Port<MidiOut> {
&mut self.port
}
pub fn into_port (self) -> Port<MidiOut> {
self.port
}
pub fn close (self) -> Usually<()> {
let Self { jack, port, .. } = self;
Ok(jack.with_client(|client|client.unregister_port(port))?)
}
/// 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 AsRef<Port<MidiOut>> for JackMidiOut {
fn as_ref (&self) -> &Port<MidiOut> {
&self.port
}
}
impl JackPort for JackMidiOut {
type Port = MidiOut;
type Pair = MidiIn;
fn port (&self) -> &Port<MidiOut> { &self.port }
}
impl JackPortConnect<&str> for JackMidiOut {
fn connect_to (&self, to: &str) -> Usually<PortConnectStatus> {
self.with_client(|c|if let Some(ref port) = c.port_by_name(to.as_ref()) {
self.connect_to(port)
} else {
Ok(Missing)
})
}
}
impl JackPortConnect<&Port<Unowned>> for JackMidiOut {
fn connect_to (&self, port: &Port<Unowned>) -> Usually<PortConnectStatus> {
self.with_client(|c|Ok(if let Ok(_) = c.connect_ports(&self.port, port) {
Connected
} else if let Ok(_) = c.connect_ports(port, &self.port) {
Connected
} else {
Mismatch
}))
}
}
impl JackPortConnect<&Port<MidiIn>> for JackMidiOut {
fn connect_to (&self, port: &Port<MidiIn>) -> Usually<PortConnectStatus> {
self.with_client(|c|Ok(if let Ok(_) = c.connect_ports(&self.port, port) {
Connected
} else if let Ok(_) = c.connect_ports(port, &self.port) {
Connected
} else {
Mismatch
}))
}
}
impl JackPortAutoconnect for JackMidiOut {
fn conn (&self) -> &[PortConnect] {
&self.conn
}
}
#[tengri_proc::command(JackMidiOut)]
impl MidiOutputCommand {
}
@ -29,6 +175,11 @@ pub trait HasMidiOuts {
data
})
}
fn midi_outs_emit (&mut self, scope: &ProcessScope) {
for port in self.midi_outs_mut().iter_mut() {
port.buffer_emit(scope)
}
}
}
/// Trail for thing that may gain new MIDI ports.