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fix: Add stabilization delay for OpenCV camera sequential initialization #2722

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fix: Add stabilization delay for OpenCV camera sequential initialization #2722

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9 changes: 9 additions & 0 deletions src/lerobot/cameras/opencv/camera_opencv.py
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Original file line number Diff line number Diff line change
Expand Up @@ -171,6 +171,15 @@ def connect(self, warmup: bool = True) -> None:

self._configure_capture_settings()

# Give the camera time to initialize after configuration
# This helps prevent read failures when multiple cameras are initialized sequentially
time.sleep(1.0)

# Grab a few frames to clear the buffer and ensure camera is ready
for i in range(3):
self.videocapture.grab()
time.sleep(0.1)

if warmup:
start_time = time.time()
while time.time() - start_time < self.warmup_s:
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