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import subprocess |
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import math |
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import os |
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def split_video(input_path, output_dir, segment_duration=60): |
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if not os.path.exists(input_path): |
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raise ValueError("輸入影片不存在") |
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os.makedirs(output_dir, exist_ok=True) |
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cmd_duration = ['ffprobe', '-v', 'quiet', '-show_entries', 'format=duration', '-of', 'csv=p=0', input_path] |
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result = subprocess.run(cmd_duration, capture_output=True, text=True) |
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total_duration = float(result.stdout.strip()) |
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num_segments = math.ceil(total_duration / segment_duration) |
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outputs = [] |
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for i in range(num_segments): |
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start_time = i * segment_duration |
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output_file = os.path.join(output_dir, f"segment_{i+1}.mp4") |
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cmd_split = [ |
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'ffmpeg', '-i', input_path, '-ss', str(start_time), '-t', str(segment_duration), |
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'-c', 'copy', '-avoid_negative_ts', 'make_zero', output_file, '-y' |
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] |
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subprocess.run(cmd_split, check=True) |
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outputs.append(output_file) |
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return outputs |
