Python3.6_x86通過FFpmeg獲取視頻或音頻的時長和分辨率

前言

  前段時間公司在做流媒體服務,與許多廠家合作拿了許多視頻過來,現在要對這些視頻文件進行整理,通過特殊的編碼排列,獲取他們的時長以及分辨率,這里我遇到一個大坑,請往下面看。

# -*- coding: utf-8 -*-
import os
import sys
import shutil
import subprocess
import json
def getLength(filename):
    command = ["ffprobe.exe","-loglevel","quiet","-print_format","json","-show_format","-show_streams","-i",filename]
    result = subprocess.Popen(command,shell=True,stdout = subprocess.PIPE, stderr = subprocess.STDOUT)
    out = result.stdout.read()
    #print(str(out))
    temp = str(out.decode('utf-8'))
    try:
        data = json.loads(temp)['streams'][1]['width']
    except:
        data = json.loads(temp)['streams'][0]['width']
    return data

def getLenTime(filename):
    command = ["ffprobe.exe","-loglevel","quiet","-print_format","json","-show_format","-show_streams","-i",filename]
    result = subprocess.Popen(command,shell=True,stdout = subprocess.PIPE, stderr = subprocess.STDOUT)
    out = result.stdout.read()
    #print(str(out))
    temp = str(out.decode('utf-8'))
    data = json.loads(temp)["format"]['duration']
    return data

只需要傳入文件的完整路徑就可以獲取到分辨率以及播放時長。

本次使用ffpmeg發現,使用的python3.6 ,32位和64位通過 subprocess.Popen 獲取到的值是不一樣的,導致后面的方法也稍微不一樣,如果你是32位的,使用我上面代碼無法獲取

out = result.stdout

data = json.loads(out)["format"]['duration']

 
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