move audio stuff into trait

gui/src/imp/mod.rs

@@ -2,8 +2,9 @@
 //!
 //! This module defines traits that each platform (web, desktop, mobile) must implement.
 //! The traits make the platform boundary explicit and provide compile-time verification.
+#![allow(async_fn_in_trait)]
 
-use crate::app::Command;
+use crate::{app::Command, effects::AudioProcessor};
 use color_eyre::eyre::Error;
 use dioxus::hooks::UnboundedReceiver;
 use mumble_web2_common::{ClientConfig, ServerStatus};
@@ -14,11 +15,31 @@ use std::time::Duration;
 // Trait Definitions
 // ============================================================================
 
-pub trait AudioSystemInterface {
+pub trait AudioSystemInterface: Sized {
     type AudioPlayer: AudioPlayerInterface;
+
+    /// Initialize the audio system, including relevant state
+    async fn new() -> Result<Self, Error>;
+
+    /// Set the processor for the microphone input, mainly noise cancellation settings.
+    fn set_processor(&self, processor: AudioProcessor);
+
+    /// Begin listening to microphone input, calling the `each` function with
+    /// encoded opus frames.
+    fn start_recording(
+        &mut self,
+        each: impl FnMut(Vec<u8>, bool) + Send + 'static,
+    ) -> Result<(), Error>;
+
+    /// Begin playback of an audio stream, returning an object that can be passed
+    /// with opus frames.
+    fn create_player(&mut self) -> Result<Self::AudioPlayer, Error>;
 }
 
-pub trait AudioPlayerInterface {}
+pub trait AudioPlayerInterface {
+    /// Playback an opus frame.
+    fn play_opus(&mut self, payload: &[u8]);
+}
 
 /// This is the main trait that each platform must implement. It combines all
 /// platform-specific functionality into a single interface, providing compile-time
@@ -72,9 +93,9 @@ pub trait PlatformInterface {
 pub mod web;
 
 #[cfg(any(feature = "desktop", feature = "mobile"))]
-mod connect;
+pub mod connect;
 #[cfg(any(feature = "desktop", feature = "mobile"))]
-mod native_audio;
+pub mod native_audio;
 
 #[cfg(feature = "desktop")]
 pub mod desktop;