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