a30c9cc107
- File decode via symphonia (mp3, aac, flac, wav, ogg) with mono mixdown - Sinc interpolation resampling via rubato 0.15 (48kHz/44.1kHz → 16kHz) - WAV I/O via hound (read/write with f32→i16 conversion) - Microphone capture via cpal 0.17 (WASAPI on Windows) with mpsc channel output - Voice activity detection via Silero VAD V5 (voice_activity_detector 0.2) - Async decode_and_resample() for file transcription pipeline - 3 tests passing (resample passthrough, duration preservation, WAV roundtrip) - clippy clean, no ort version conflicts Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
20 lines
634 B
Rust
20 lines
634 B
Rust
use std::path::Path;
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use kon_core::error::Result;
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use kon_core::types::AudioSamples;
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use crate::decode::decode_audio_file;
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use crate::resample::resample_to_16khz;
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/// Decode and resample an audio file on a blocking thread.
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/// Returns 16kHz mono AudioSamples ready for transcription.
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pub async fn decode_and_resample(path: &Path) -> Result<AudioSamples> {
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let path = path.to_path_buf();
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tokio::task::spawn_blocking(move || {
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let audio = decode_audio_file(&path)?;
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resample_to_16khz(&audio)
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})
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.await
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.map_err(|e| kon_core::error::KonError::AudioDecodeFailed(format!("Task join error: {e}")))?
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}
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