26 lines
546 B
Python
26 lines
546 B
Python
from __future__ import annotations
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import cv2
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WINDOW_NAME = "Android Camera (WebRTC)"
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def show_frame(image, window_name: str = WINDOW_NAME) -> None:
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"""在OpenCV窗口中显示图像帧"""
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cv2.imshow(window_name, image)
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def wait_key(delay_ms: int = 1) -> int:
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"""等待按键并返回ASCII码"""
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return cv2.waitKey(delay_ms) & 0xFF
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def is_esc_pressed() -> bool:
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"""检测ESC键是否被按下"""
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return wait_key(1) == 27
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def close_window() -> None:
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"""关闭所有OpenCV窗口"""
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cv2.destroyAllWindows()
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