refactor PhrasePlayer::process callback

crates/tek_sequencer/src/arranger.rs

@@ -22,6 +22,8 @@ pub struct Arranger<E: Engine> {
     pub arrangement_split: u16,
     /// Width of phrase pool
     pub phrases_split:     u16,
+    /// Width and height of app at last render
+    pub size:              Measure<E>,
 }
 /// Sections in the arranger app that may be focused
 #[derive(Copy, Clone, PartialEq, Eq)]
@@ -135,6 +137,7 @@ impl<E: Engine> Arranger<E> {
             transport,
             arrangement,
             phrases,
+            size: Measure::new(),
         };
         app.update_focus();
         app

crates/tek_sequencer/src/arranger_tui.rs

@@ -118,7 +118,7 @@ impl Content for Arrangement<Tui> {
                 ArrangementViewMode::Vertical(factor) => add(&VerticalArranger(&self, factor)),
             }?;
             let color = if self.focused{Color::Rgb(150, 160, 90)}else{Color::Rgb(120, 130, 100)};
-            add(&TuiStyle::fg("Session", color).push_x(1))?;
+            add(&TuiStyle::fg("Session", color).push_x(2))?;
             add(&self.size)
         })
     }
@@ -137,7 +137,7 @@ impl<'a> Content for VerticalArranger<'a, Tui> {
         let border_hi     = Color::Rgb(100, 110, 40);
         let border_lo     = Color::Rgb(70, 80, 50);
         let border_fg     = if self.0.focused { border_hi } else { border_lo };
-        let border        = Lozenge(Style::default().bg(border_bg).fg(border_fg));
+        //let border        = Lozenge(Style::default().bg(border_bg).fg(border_fg));
         let track_title_h = 2u16;
         let tracks_footer = 3u16;
         let scene_title_w = 3 + Scene::longest_name(scenes) as u16; // x of 1st track

crates/tek_sequencer/src/sequencer.rs

@@ -403,15 +403,6 @@ impl PhrasePlayer {
             .map(|(started,_)|started.sample().get())
             .map(|started|(started - self.clock.instant.sample().get()) as usize)
     }
-    pub fn playing_phrase (&self) -> Option<(usize, Arc<RwLock<Phrase>>)> {
-        if let (
-            Some(TransportState::Rolling), Some((started, Some(ref phrase)))
-        ) = (*self.clock.playing.read().unwrap(), &self.phrase) {
-            Some((started.sample().get() as usize, phrase.clone()))
-        } else {
-            None
-        }
-    }
 }
 /// Displays and edits phrase length
 pub struct PhraseLength<E: Engine> {

crates/tek_sequencer/src/sequencer_snd.rs

@@ -10,24 +10,70 @@ impl<E: Engine> Audio for Sequencer<E> {
 }
 impl Audio for PhrasePlayer {
     fn process (&mut self, _: &Client, scope: &ProcessScope) -> Control {
-        let frame0 = scope.last_frame_time() as usize;
-        let frames = scope.n_frames() as usize;
         let has_midi_outputs = self.has_midi_outputs();
-        if has_midi_outputs {
-            self.clear_midi_out_buf(frames);
-            self.reset_midi_out_buf(false /* FIXME where did force-reset come from? */);
-        }
         let has_midi_inputs  = self.has_midi_inputs();
-        let quant = self.clock.quant().get();
-        if let Some((start_frame, phrase)) = self.playing_phrase() {
-            // Write chunk of phrase to output
-            phrase.read().map(|phrase|{
         if has_midi_outputs {
+            // Clear output buffer(s)
+            self.clear(scope, false);
+            // Write chunk of phrase to output
+            self.play(scope);
+        }
+        if has_midi_inputs {
+            if self.recording || self.monitoring {
+                // Record and/or monitor input
+                self.record(scope)
+            } else if has_midi_outputs && self.monitoring {
+                // Monitor input to output
+                self.monitor(scope)
+            }
+        }
+        // Write to output port(s)
+        self.write(scope);
+        Control::Continue
+    }
+}
+impl PhrasePlayer {
+    fn has_midi_inputs  (&self) -> bool { self.midi_inputs.len()  > 0 }
+    fn has_midi_outputs (&self) -> bool { self.midi_outputs.len() > 0 }
+    /// 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, force_reset: bool) {
+        for frame in &mut self.midi_out_buf[0..scope.n_frames() as usize] {
+            frame.clear();
+        }
+        if self.reset || force_reset {
+            all_notes_off(&mut self.midi_out_buf); self.reset = false;
+        }
+    }
+    /// Return playing phrase with starting point
+    fn playing (&self) -> Option<(usize, Arc<RwLock<Phrase>>)> {
+        if let (
+            Some(TransportState::Rolling), Some((started, Some(ref phrase)))
+        ) = (*self.clock.playing.read().unwrap(), &self.phrase) {
+            Some((started.sample().get() as usize, phrase.clone()))
+        } else {
+            None
+        }
+    }
+    /// Return next phrase with starting point
+    fn enqueued (&self) -> Option<(usize, Arc<RwLock<Phrase>>)> {
+        if let (
+            Some(TransportState::Rolling), Some((start_at, Some(ref phrase)))
+        ) = (*self.clock.playing.read().unwrap(), &self.next_phrase) {
+            Some((start_at.sample().get() as usize, phrase.clone()))
+        } else {
+            None
+        }
+    }
+    fn play (&mut self, scope: &ProcessScope) {
+        let sample0 = scope.last_frame_time() as usize;
+        let samples = scope.n_frames() as usize;
+        if let Some((start, ref phrase)) = self.playing() {
+            let sample = sample0.saturating_sub(start);
+            let ticks = self.clock.timebase().pulses_between_samples(sample, sample + samples);
+            phrase.read().map(|phrase|{
                 let output   = &mut self.midi_out_buf;
                 let notes_on = &mut self.notes_out.write().unwrap();
-                    let frame0   = frame0.saturating_sub(start_frame);
-                    let frame_n  = frame0 + frames;
-                    let ticks    = self.clock.timebase().pulses_between_samples(frame0, frame_n);
                 let mut buf  = Vec::with_capacity(8);
                 for (sample, tick) in ticks {
                     let tick = tick % phrase.length;
@@ -40,23 +86,26 @@ impl Audio for PhrasePlayer {
                         update_keys(notes_on, &message);
                     }
                 }
+            }).unwrap()
         }
-            }).unwrap();
+    }
+    fn record (&mut self, scope: &ProcessScope) {
+        let sample0 = scope.last_frame_time() as usize;
+        if let Some((start, ref phrase)) = self.playing() {
+            let quant      = self.clock.quant().get();
             let mut phrase = phrase.write().unwrap();
             let length     = phrase.length;
-            // Monitor and record input
-            if has_midi_inputs && (self.recording || self.monitoring) {
             // For highlighting keys and note repeat
             let mut notes_in = self.notes_in.write().unwrap();
             // Record from each input
             for input in self.midi_inputs.iter() {
-                    for (frame, event, bytes) in parse_midi_input(input.iter(scope)) {
+                for (sample, event, bytes) in parse_midi_input(input.iter(scope)) {
                     if let LiveEvent::Midi { message, .. } = event {
-                            if self.monitoring { self.midi_out_buf[frame].push(bytes.to_vec()) }
+                        if self.monitoring { self.midi_out_buf[sample].push(bytes.to_vec()) }
                         if self.recording {
                             phrase.record_event({
                                 let pulse = self.clock.timebase().samples_to_pulse(
-                                        (frame0 + frame - start_frame) as f64
+                                    (sample0 + sample - start) as f64
                                 );
                                 let quantized = (pulse / quant).round() * quant;
                                 let looped = quantized as usize % length;
@@ -68,42 +117,30 @@ impl Audio for PhrasePlayer {
                 }
             }
         }
-        } else if has_midi_inputs && has_midi_outputs && self.monitoring {
+    }
+    fn monitor (&mut self, scope: &ProcessScope) {
         let mut notes_in = self.notes_in.write().unwrap();
-            // Monitor each input
         for input in self.midi_inputs.iter() {
-                for (frame, event, bytes) in parse_midi_input(input.iter(scope)) {
+            for (sample, event, bytes) in parse_midi_input(input.iter(scope)) {
                 if let LiveEvent::Midi { message, .. } = event {
-                        self.midi_out_buf[frame].push(bytes.to_vec());
+                    self.midi_out_buf[sample].push(bytes.to_vec());
                     update_keys(&mut notes_in, &message);
                 }
             }
         }
     }
-        // Write to midi output
+    fn write (&mut self, scope: &ProcessScope) {
+        let samples = scope.n_frames() as usize;
         for port in self.midi_outputs.iter_mut() {
             let writer = &mut port.writer(scope);
             let output = &self.midi_out_buf;
-            for time in 0..frames {
+            for time in 0..samples {
                 for event in output[time].iter() {
                     writer.write(&RawMidi { time: time as u32, bytes: &event })
                         .expect(&format!("{event:?}"));
                 }
             }
         }
-        Control::Continue
-    }
-}
-impl PhrasePlayer {
-    pub fn has_midi_inputs  (&self) -> bool { self.midi_inputs.len()  > 0 }
-    pub fn has_midi_outputs (&self) -> bool { self.midi_outputs.len() > 0 }
-    /// Clear the section of the output buffer that we will be using
-    pub fn clear_midi_out_buf (&mut self, frames: usize) {
-        for frame in &mut self.midi_out_buf[0..frames] { frame.clear(); }
-    }
-    /// Emit "all notes off" at start of buffer if requested
-    pub fn reset_midi_out_buf (&mut self, force_reset: bool) {
-        if self.reset || force_reset { all_notes_off(&mut self.midi_out_buf); self.reset = false; }
     }
 }
 /// Add "all notes off" to the start of a buffer.