46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
#!/usr/bin/env python3
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"""PySceneDetect 场景检测脚本，由 Go 服务调用。"""
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import argparse
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import json
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import sys
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from scenedetect import open_video, SceneManager
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from scenedetect.detectors import ContentDetector
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def detect_scenes(video_path: str, threshold: float) -> list[dict]:
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"""检测视频场景切分点，返回场景时间边界列表。"""
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video = open_video(video_path)
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scene_manager = SceneManager()
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scene_manager.add_detector(ContentDetector(threshold=threshold))
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scene_manager.detect_scenes(video)
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scene_list = scene_manager.get_scene_list()
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scenes = []
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for start, end in scene_list:
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scenes.append({
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"start_time": start.get_seconds(),
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"end_time": end.get_seconds(),
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})
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return scenes
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def main():
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parser = argparse.ArgumentParser(description="视频场景检测")
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parser.add_argument("--input", required=True, help="输入视频路径")
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parser.add_argument("--output", required=True, help="输出 JSON 文件路径")
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parser.add_argument("--threshold", type=float, default=27.0, help="内容检测阈值")
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args = parser.parse_args()
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scenes = detect_scenes(args.input, args.threshold)
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with open(args.output, "w") as f:
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json.dump(scenes, f, indent=2)
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print(f"检测完成: {len(scenes)} 个场景", file=sys.stderr)
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if __name__ == "__main__":
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main()
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