Python调用ffmpeg开源视频处理库，批量处理视频

 # coding=utf-8 import os import subprocess import datetime import json, pprint import re, time import threading import random import shutil class FFmpeg: def __init__(self, editvdo, addlogo=None, addmusic=None, addvdohead=None, addvdotail=None): self.editvdo = editvdo self.addlogo = addlogo self.addmusic = addmusic self.addvdohead = addvdohead self.addvdotail = addvdotail self.vdo_time, self.vdo_width, self.vdo_height, self.attr_dict = self.get_attr() self.editvdo_path = os.path.dirname(editvdo) self.editvdo_name = os.path.basename(editvdo) def get_attr(self): """ 获取视频属性参数 :return: """ strcmd = r'ffprobe -print_format json -show_streams -i "{}"'.format(self.editvdo) status, output = subprocess.getstatusoutput(strcmd) agrs = eval(re.search('{.*}', output, re.S).group().replace("\n", "").replace(" ", '')) streams = agrs.get('streams', []) agrs_dict = dict() [agrs_dict.update(x) for x in streams] vdo_time = agrs_dict.get('duration') vdo_width = agrs_dict.get('width') vdo_height = agrs_dict.get('height') attr = (vdo_time, vdo_width, vdo_height, agrs_dict) return attr def edit_head(self, start_time, end_time, deposit=None): """ 截取指定长度视频 :param second: 去除开始的多少秒 :param deposit: 另存为文件 :return: True/Flase """ if None == deposit: deposit = self.editvdo_path+'/'+'edit_head'+self.editvdo_name start = time.strftime('%H:%M:%S', time.gmtime(start_time)) end = time.strftime('%H:%M:%S', time.gmtime(end_time)) strcmd = 'ffmpeg -i "{}" -vcodec copy -acodec copy -ss {} -to {} "{}" -y'.format( self.editvdo, start, end, deposit) result = subprocess.run(args=strcmd, stdout=subprocess.PIPE, shell=True) if os.path.exists(deposit): os.remove(self.editvdo) os.rename(deposit, self.editvdo) return True else: return False def edit_logo(self, deposit=None): """ 添加水印 :param deposit:添加水印后另存为路径，为空则覆盖 :return: True/False """ if None == deposit: deposit = self.editvdo_path+'/'+'edit_logo'+self.editvdo_name strcmd = r'ffmpeg -i "{}" -vf "movie=\'{}\' [watermark];[in] ' \ r'[watermark] overlay=main_w-overlay_w-10:10 [out]" "{}"'.format( self.editvdo, self.addlogo, deposit) result = subprocess.run(args=strcmd, stdout=subprocess.PIPE, shell=True) if os.path.exists(deposit): os.remove(self.editvdo) os.rename(deposit, self.editvdo) return True else: return False def edit_music(self, deposit=None): if None == deposit: deposit = self.editvdo_path+'/'+'edit_music'+self.editvdo_name strcmd = r'ffmpeg -y -i "{}" -i "{}" -filter_complex "[0:a] ' \ r'pan=stereo|c0=1*c0|c1=1*c1 [a1], [1:a] ' \ r'pan=stereo|c0=1*c0|c1=1*c1 [a2],[a1][a2]amix=duration=first,' \ r'pan=stereo|c0