device: add DeviceAudio dispatcher

crates/app/src/audio.rs

@@ -2,26 +2,20 @@ use crate::*;
 impl HasJack for App { fn jack (&self) -> &Jack { &self.jack } }
 audio!(
     |self: App, client, scope|{
+
         // Start profiling cycle
         let t0 = self.perf.get_t0();
+
         // Update transport clock
         self.clock().update_from_scope(scope).unwrap();
-        // Collect MIDI input (TODO preallocate)
+
+        // Collect MIDI input (TODO preallocate large buffers)
         let midi_in = self.midi_ins.iter()
             .map(|port|port.port().iter(scope)
                 .map(|RawMidi { time, bytes }|(time, LiveEvent::parse(bytes)))
                 .collect::<Vec<_>>())
             .collect::<Vec<_>>();
-        // Update standalone MIDI sequencer
-        //if let Some(player) = self.player.as_mut() {
-            //if Control::Quit == PlayerAudio(
-                //player,
-                //&mut self.note_buf,
-                //&mut self.midi_buf,
-            //).process(client, scope) {
-                //return Control::Quit
-            //}
-        //}
+
         // Update standalone sampler
         //if let Some(sampler) = self.sampler.as_mut() {
             //if Control::Quit == SamplerAudio(sampler).process(client, scope) {
@@ -35,6 +29,7 @@ audio!(
                 //}
             //}
         //}
+
         // TODO move these to editor and sampler?:
         //for port in midi_in.iter() {
             //for event in port.iter() {
@@ -58,14 +53,21 @@ audio!(
                 //}
             //}
         //}
-        // Update track sequencers
+
+        // Update track sequencers and devices
         for track in self.tracks.iter_mut() {
-            if PlayerAudio(
+            if Control::Quit == PlayerAudio(
                 track.player_mut(), &mut self.note_buf, &mut self.midi_buf
-            ).process(client, scope) == Control::Quit {
+            ).process(client, scope) {
                 return Control::Quit
             }
+            for device in track.devices.iter_mut() {
+                if Control::Quit == DeviceAudio(device).process(client, scope) {
+                    return Control::Quit
+                }
+            }
         }
+
         // End profiling cycle
         self.perf.update_from_jack_scope(t0, scope);
         Control::Continue

crates/device/src/device.rs

@@ -0,0 +1,43 @@
+use crate::*;
+
+#[derive(Debug)]
+pub enum Device {
+    #[cfg(feature = "sequencer")] Sequencer(MidiPlayer),
+    #[cfg(feature = "sampler")]   Sampler(Sampler),
+    #[cfg(feature = "lv2")]       Lv2(Lv2),  // TODO
+    #[cfg(feature = "vst2")]      Vst2, // TODO
+    #[cfg(feature = "vst3")]      Vst3, // TODO
+    #[cfg(feature = "clap")]      Clap, // TODO
+    #[cfg(feature = "sf2")]       Sf2,  // TODO
+}
+
+impl Device {
+    pub fn name (&self) -> &str {
+        match self {
+            Self::Sampler(sampler) => sampler.name.as_ref(),
+            _ => todo!(),
+        }
+    }
+}
+
+pub struct DeviceAudio<'a>(pub &'a mut Device);
+
+audio!(|self: DeviceAudio<'a>, client, scope|{
+    use Device::*;
+    match self.0 {
+        #[cfg(feature = "sequencer")] Sequencer(sequencer) =>
+            { Control::Continue /* TODO */ },
+        #[cfg(feature = "sampler")] Sampler(sampler) =>
+            SamplerAudio(sampler).process(client, scope),
+        #[cfg(feature = "lv2")] Lv2(lv2) =>
+            { todo!() }, // TODO
+        #[cfg(feature = "vst2")] Vst2 =>
+            { todo!() }, // TODO
+        #[cfg(feature = "vst3")] Vst3 =>
+            { todo!() }, // TODO
+        #[cfg(feature = "clap")] Clap =>
+            { todo!() }, // TODO
+        #[cfg(feature = "sf2")] Sf2 =>
+            { todo!() }, // TODO
+    }
+});

crates/device/src/lib.rs

@@ -15,6 +15,9 @@ pub(crate) use ::tek_engine::midi::{u7, LiveEvent, MidiMessage};
 pub(crate) use ::tek_engine::jack::{Control, ProcessScope, MidiWriter, RawMidi};
 pub(crate) use ratatui::{prelude::Rect, widgets::{Widget, canvas::{Canvas, Line}}};
 
+mod device;
+pub use self::device::*;
+
 #[cfg(feature = "clock")] mod clock;
 #[cfg(feature = "clock")] pub use self::clock::*;
 
@@ -38,23 +41,3 @@ pub(crate) use ratatui::{prelude::Rect, widgets::{Widget, canvas::{Canvas, Line}
 
 #[cfg(feature = "clap")] mod clap;
 #[cfg(feature = "clap")] pub use self::clap::*;
-
-#[derive(Debug)]
-pub enum Device {
-    #[cfg(feature = "sequencer")] Sequencer(MidiPlayer),
-    #[cfg(feature = "sampler")]   Sampler(Sampler),
-    #[cfg(feature = "lv2")]       Lv2(Lv2),  // TODO
-    #[cfg(feature = "vst2")]      Vst2, // TODO
-    #[cfg(feature = "vst3")]      Vst3, // TODO
-    #[cfg(feature = "clap")]      Clap, // TODO
-    #[cfg(feature = "sf2")]       Sf2,  // TODO
-}
-
-impl Device {
-    pub fn name (&self) -> &str {
-        match self {
-            Self::Sampler(sampler) => sampler.name.as_ref(),
-            _ => todo!(),
-        }
-    }
-}