Python 호출 ffmpeg 소스 비디오 처리 라이브러리, 대량 처리 비디오

코드 예제

# 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):
    """
     
    :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("
", "").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): """ :param second: :param deposit: :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): """ :param deposit: , :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<c0+c1|c1<c2+c3,pan=mono|c0=c0+c1[a]" ' \ r'-map "[a]" -map 0:v -c:v libx264 -c:a aac ' \ r'-strict -2 -ac 2 "{}"'.format(self.editvdo, self.addmusic, 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_rate(self, rete=30, deposit=None): """ :param rete: :param deposit: :return: """ if None == deposit: deposit = self.editvdo_path+'/'+'edit_music'+self.editvdo_name strcmd = r'ffmpeg -i "{}" -r {} "{}"' % (self.editvdo, rete, 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_power(self, power='1280x720', deposit=None): """ :param power: :param deposit: , :return: """ if None == deposit: deposit = self.editvdo_path+'/'+'edit_power'+self.editvdo_name strcmd = r'ffmpeg -i "{}" -s {} "{}"'.format(self.editvdo, power, 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 rdit_marge(self, vdo_head, vdo_tail, deposit=None): if None == deposit: deposit = self.editvdo_path+'/'+'rdit_marge'+self.editvdo_name with open(self.editvdo_path+'/'+'rdit_marge.txt', 'w', encoding='utf-8') as f: f.write("file '{}'
file '{}'
file '{}'" .format( vdo_head, self.editvdo, vdo_tail)) strcmd = r'ffmpeg -f concat -safe 0 -i "{}" -c copy "{}"'.format( self.editvdo_path + '/' + 'rdit_marge.txt', 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 # ffmpeg - i input.mkv - filter_complex "[0:v]setpts=0.5*PTS[v];[0:a]atempo=2.0[a]" - map"[v]" - map"[a]" output.mkv test = FFmpeg(r"D:\vdio\4.mp4") pass
이상은Python이 ffmpeg를 호출하여 영상 처리 라이브러리를 오픈하고 영상의 상세한 내용을 대량으로 처리합니다. 더 많은python의 대량 처리 영상에 대한 자료는 저희 다른 관련 글을 주목하세요!

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