tests/verify_fix.py

import sys
import os
import time
import numpy as np

# Ensure we can import the module
sys.path.append(os.getcwd())

from reachy_mini_danceml.audio_capture import LocalAudioCapture

def verify_fix():
    print("Testing Audio Capture with 'Reachy Mini Audio'...")
    
    # Initialize with the specific device name
    capture = LocalAudioCapture(device_name="Reachy Mini Audio")
    
    # Check if the device index resulted in a valid index (not None)
    # The class prints "Selected audio device..." or "Warning..."
    # We can inspect the internal property
    if capture._device_index is None:
        print("❌ Verification Failed: Device 'Reachy Mini Audio' not found.")
        return
        
    print(f"✅ Device found! Index: {capture._device_index}")
    
    capture.start()
    time.sleep(1) # Let it warm up
    
    print("Capturing 2 seconds of audio...")
    chunks = []
    start_time = time.time()
    while time.time() - start_time < 2:
        chunk = capture.get_chunk()
        if chunk:
            chunks.append(chunk)
            
    capture.stop()
    
    total_chunks = len(chunks)
    print(f"Total chunks captured: {total_chunks}")
    
    if total_chunks == 0:
        print("❌ Verification Failed: No audio chunks captured.")
        return

    # Concatenate all chunks
    all_audio = b"".join(chunks)
    audio_array = np.frombuffer(all_audio, dtype=np.int16)
    
    max_amp = np.max(np.abs(audio_array))
    print(f"Max Amplitude: {max_amp}")
    
    if max_amp < 100:
        print("⚠️ Warning: Amplitude is very low (Silence?). Check mic mute.")
    else:
        print("✅ Signal Detected! Amplitude looks good.")
        
    # Check sample rate consistency
    # 2 seconds * 24000 samples/sec = 48000 samples
    expected_samples = 48000
    actual_samples = len(audio_array)
    print(f"Samples Captured: {actual_samples} (Expected ~{expected_samples})")
    
    if abs(actual_samples - expected_samples) > 10000:
        print("⚠️ Warning: Sample count deviation is high. Check specific timing/buffer issues.")
    else:
        print("✅ Sample rate looks consistent.")

if __name__ == "__main__":
    verify_fix()