Created
June 18, 2021 21:35
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ffmpeg_batch.py
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| import os | |
| import sys | |
| import argparse | |
| import subprocess | |
| from os import listdir | |
| from os.path import isfile, join | |
| def main(): | |
| parser = argparse.ArgumentParser(description='Batch ffmpeg.') | |
| parser.add_argument('--input_dir', type=str, help='Input dir with video files') | |
| parser.add_argument('--output_dir', type=str, help='Result dir') | |
| args = parser.parse_args() | |
| if not os.path.isdir(args.output_dir): | |
| os.mkdir(args.output_dir) | |
| onlyfiles = [f for f in listdir(args.input_dir) if isfile(join(args.input_dir, f))] | |
| for speed in [1.5, 2, 3, 4]: | |
| for f in onlyfiles: | |
| in_f = join(args.input_dir, f) | |
| out_f = join(args.output_dir, f'{f.replace(".mp4", "")}_x{str(speed).replace(".", "_")}.mp4') | |
| cli = ['ffmpeg', '-i', in_f, '-filter:v', f'setpts={1.0/speed}*PTS', out_f] | |
| print(cli) | |
| subprocess.run(cli) | |
| return 0 | |
| if __name__ == '__main__': | |
| sys.exit(main()) |
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