feat(voice): add iOS VAD runtime support

2026-05-21 20:51:45 +09:00
parent 171baf6e41
commit 6af4ecab0f
73 changed files with 11529 additions and 1249 deletions
@@ -0,0 +1,31 @@
+//! Realtime-safe audio processors for platform and software voice paths.
+
+pub mod dsp;
+pub mod noop;
+pub mod platform;
+pub mod sonora;
+
+pub use noop::NoopProcessor;
+pub use platform::PlatformVoiceProcessor;
+pub use sonora::SonoraProcessor;
+
+/// 10 ms mono f32 processing frame at 48 kHz (480 samples).
+pub const FRAME_SAMPLES: usize = 480;
+
+/// Realtime-safe audio processor backend.
+///
+/// Implementations MUST be `Send` and MUST NOT allocate, block, or
+/// perform I/O inside `process_capture` or `process_render`.
+pub trait AudioProcessor: Send {
+    /// Process one 10 ms capture frame in-place.
+    fn process_capture(&mut self, frame: &mut [f32; FRAME_SAMPLES]);
+
+    /// Feed one 10 ms render-reference frame (decoded remote PCM
+    /// before playout). Required by software AEC backends; no-op
+    /// for platform and noop backends.
+    fn process_render(&mut self, frame: &[f32; FRAME_SAMPLES]);
+
+    /// Return true if this backend performs acoustic echo cancellation
+    /// so the engine can enforce INV_009 / INV_010.
+    fn has_aec(&self) -> bool;
+}