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VedioSlice.py

  1. ##!/usr/bin/env python3
  2. ## -*- coding: utf-8 -*-
  3. ## @Time    : 2020/4/18
  4. ## @Author  : Karobben
  5. ## @Site    : China
  6. ## @File    : VedioSlice.py
  7. ## @Software: Atom
  9. import argparse
  11. parser = argparse.ArgumentParser()
  12. parser.add_argument('-i','-I','--input',
  13.                     help='Input vedio file')     #输入文件
  14. parser.add_argument('-o','-U','--output', default = "out_test.avi",
  15.                     help='Output vedio file, default as "out_test.avi"')     #输入文件
  16. parser.add_argument('-s','-S','--Start', type = int, default = 0,
  17.                     help='Start from X second. default from 0')     #输入文件
  18. parser.add_argument('-e','-E','--End', type = int, default = 1,
  19.                     help='End at X second, defalt at 1s')     #输入文件
  21. ##获取参数
  22. args = parser.parse_args()
  23. INPUT = args.input
  24. OUTPUT = args.output
  25. Slice_S = args.Start
  26. Slice_E = args.End
  28. import cv2
  29. import numpy as np
  31. ##INPUT = 'bug.avi'
  32. cap = cv2.VideoCapture(INPUT)
  33. fps_c = cap.get(cv2.CAP_PROP_FPS)
  34. Vedio_h = cap.get(cv2.CAP_PROP_FRAME_HEIGHT)
  35. Vedio_w = cap.get(cv2.CAP_PROP_FRAME_WIDTH)
  36. print("Current fps:",fps_c)
  38. Slice_S = Slice_S* fps_c
  39. Slice_E = Slice_E* fps_c
  40. ##OUTPUT = "out_test.avi"
  41. fps_o = fps_c
  42. Out_size = (int(Vedio_w),int(Vedio_h))
  43. fourcc = cv2.VideoWriter_fourcc('M','J','P','G')
  44. videowriter = cv2.VideoWriter(OUTPUT,fourcc,fps_o,Out_size)
  46. Num = 0
  47. while (True):
  48.    Num += 1
  49.    ret,frame=cap.read()
  50.    if Num >= Slice_S and Num <= Slice_E:
  51.        videowriter.write(frame)
  52.    if Num >= Slice_E:
  53.        break
  55. videowriter.release()

How to use it

  1. ## print the vedio from 0s to 1s to out_test.avi
  2. Vedio_slice.py -i bug.avi
  4. ## print the vedio from 10s to 20s to sliced.avi file
  5. Vedio_slice.py -i bug.avi -s 10 -e 20 -o sliced.avi

Enjoy~

本文由Python腳本GitHub/語雀自動更新

由於語法渲染問題而影響閱讀體驗， 請移步博客閱讀～
本文GitPage地址

GitHub: Karobben
Blog:Karobben
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