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📝 WalkthroughWalkthroughThe changes remove the local "hypr-vad" crate and its codebase, replacing it with the external "silero-rs" VAD library. All chunking and predictor logic in the Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant WebSocketServer
participant Chunker (VAD)
participant SileroVAD
participant Transcriber
Client->>WebSocketServer: Send audio stream
WebSocketServer->>Chunker (VAD): Pass audio stream
Chunker (VAD)->>SileroVAD: Process audio chunks for speech detection
SileroVAD-->>Chunker (VAD): Speech segment boundaries
Chunker (VAD)-->>WebSocketServer: Yield detected speech chunks
WebSocketServer->>Transcriber: Forward speech chunks
Transcriber-->>WebSocketServer: Transcription results
WebSocketServer-->>Client: Send transcription
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Actionable comments posted: 1
🧹 Nitpick comments (3)
plugins/local-stt/src/server.rs (1)
210-210: Verify impact of lowered confidence threshold.The confidence threshold was lowered from 0.2 to 0.1, making transcription more permissive. Ensure this doesn't introduce too many low-quality transcriptions.
Consider making this threshold configurable or documenting the rationale for the change.
crates/chunker/src/lib.rs (2)
61-63: Optimize chunk creation by avoiding unnecessary allocation.The current implementation creates a new Vec and then extends it. Since we know the exact size, we can directly take ownership of the drained elements.
- let mut chunk = Vec::with_capacity(this.chunk_samples); - chunk.extend(this.buffer.drain(..this.chunk_samples)); + let chunk: Vec<f32> = this.buffer.drain(..this.chunk_samples).collect();
93-94: Improve comment to explain the 30ms chunk duration choice.The current comment only provides a link without explaining why 30ms is used.
- // https://github.com/emotechlab/silero-rs/blob/26a6460/src/lib.rs#L775 + // Use 30ms chunks as recommended by silero-rs for optimal VAD performance let chunk_duration = Duration::from_millis(30);
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⛔ Files ignored due to path filters (1)
Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (11)
Cargo.toml(1 hunks)crates/chunker/Cargo.toml(1 hunks)crates/chunker/src/error.rs(1 hunks)crates/chunker/src/lib.rs(1 hunks)crates/chunker/src/predictor.rs(0 hunks)crates/chunker/src/stream.rs(0 hunks)crates/vad/Cargo.toml(0 hunks)crates/vad/src/error.rs(0 hunks)crates/vad/src/lib.rs(0 hunks)plugins/local-stt/Cargo.toml(1 hunks)plugins/local-stt/src/server.rs(5 hunks)
💤 Files with no reviewable changes (5)
- crates/vad/Cargo.toml
- crates/vad/src/error.rs
- crates/chunker/src/stream.rs
- crates/chunker/src/predictor.rs
- crates/vad/src/lib.rs
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plugins/local-stt/src/server.rscrates/chunker/src/lib.rscrates/chunker/src/error.rs
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🔇 Additional comments (9)
plugins/local-stt/Cargo.toml (1)
24-24: LGTM - Dependency removal aligns with VAD refactor.The removal of "hypr-chunker/load-dynamic" from the load-dynamic feature is consistent with the migration from the internal hypr-vad crate to the external silero-rs library.
Cargo.toml (1)
195-195: External silero-rs dependency is trustworthy and actively maintainedThe silero-rs repository is not archived, was recently updated (2025-07-01), and has a healthy star count, so pinning it at commit 26a6460 is safe.
crates/chunker/Cargo.toml (1)
11-19: LGTM - Dependencies align with VAD refactoring.The new dependencies (serde, thiserror, silero-rs, tracing) properly support the migration from the internal hypr-vad implementation to the external silero-rs VAD library.
crates/chunker/src/error.rs (1)
3-6: LGTM - Error variants properly support new VAD implementation.The new error variants VadSessionCreationFailed and VadProcessingFailed appropriately handle errors from the silero-rs VAD library with clear, descriptive messages.
plugins/local-stt/src/server.rs (4)
20-20: LGTM - VadExt trait import supports new chunking approach.The import of VadExt trait aligns with the migration to VAD-based chunking using the silero-rs library.
151-157: LGTM - Single channel VAD chunking implementation.The replacement of RMS-based chunking with VAD-based chunking using
vad_chunks()and theprocess_vad_streamhelper is well-structured and maintains the same transcription flow.
169-177: LGTM - Dual channel VAD chunking implementation.Both mic and speaker channels now use VAD-based chunking consistently, with proper source labeling for downstream processing.
253-282: LGTM - Well-designed VAD stream processing helper.The
process_vad_streamfunction properly handles error scenarios by terminating the stream on VAD errors and converts chunks to the expected format with source metadata. The error handling approach usingtake_whileandfilter_mapis appropriate.crates/chunker/src/lib.rs (1)
1-14: LGTM!All imports are properly used throughout the file.
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