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fix: Convert device ID -1 to None for sounddevice compatibility #27

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fix: Convert device ID -1 to None for sounddevice compatibility #27

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3 changes: 3 additions & 0 deletions src/birdnetpi/audio/capture.py
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Original file line number Diff line number Diff line change
Expand Up @@ -91,7 +91,10 @@ def _callback(
def start_capture(self) -> None:
"""Start the audio capture stream."""
try:
# sounddevice expects None for default device, not -1
device_id = self.config.audio_device_index
if device_id == -1:
device_id = None
channels = self.config.audio_channels
target_sample_rate = self.config.sample_rate # What BirdNET expects (48000)

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