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				@@ -133,9 +133,6 @@ class AGC(): 
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				             ["ffprobe", "-v", "error", "-show_entries", "format=duration", 
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				              "-of", "default=noprint_wrappers=1:nokey=1", video_file], 
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				             capture_output=True, text=True) 
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				-        if not result.stdout.strip(): 
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				-            print("错误:ffprobe 没有返回任何输出。") 
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				-            return 0 
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				         try: 
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				             return float(result.stdout.strip()) 
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				         except ValueError: 
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