Initial commit from agent

core/voice_input.py

@@ -0,0 +1,35 @@
+"""
+Voice input — transcribes raw audio bytes using OpenAI Whisper (local).
+Model size set via WHISPER_MODEL env var (default: base).
+"""
+import os
+import tempfile
+import asyncio
+import whisper
+
+_model = None
+
+def _get_model():
+    global _model
+    if _model is None:
+        model_size = os.getenv("WHISPER_MODEL", "base")
+        print(f"[JARVIS] Loading Whisper model: {model_size}")
+        _model = whisper.load_model(model_size)
+    return _model
+
+async def transcribe_audio(audio_bytes: bytes) -> str:
+    """Transcribe raw WAV audio bytes to text using Whisper."""
+    model = _get_model()
+    loop = asyncio.get_event_loop()
+
+    def _transcribe():
+        with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as f:
+            f.write(audio_bytes)
+            tmp_path = f.name
+        try:
+            result = model.transcribe(tmp_path, fp16=False)
+            return result["text"].strip()
+        finally:
+            os.unlink(tmp_path)
+
+    return await loop.run_in_executor(None, _transcribe)