利用python+ffmpeg合并B站视频及格式转换 B站客户端下载的视频一般有两种格式:早期的多为blv格式(由flv格式转换而来,音视频轨道在同一文件下)。
如今的多为m4s格式,音频轨视频轨分开 以下为利用ffmpeg简单对文件处理,使其转换为大多数播放器能正常播放的mp4格式 前提:已正常安装ffmpeg
import tkinter as tk from tkinter import filedialog import os import tkinter.messagebox from tkinter import ttk mainGUI=tk.Tk() width = 400 height = 400 screenwidth = mainGUI.winfo_screenwidth() screenheight = mainGUI.winfo_screenheight() alignstr = '%dx%d+%d+%d' % (width, height, (screenwidth-width)/2, (screenheight-height)/2) mainGUI.geometry(alignstr) mainGUI.title("转码系统") def browseDialog(): root = tk.Tk() root.withdraw() return filedialog.askopenfilename() def browseDialogTo(): path=browseDialog() var.set(path) def browseDialogTo2(): path=browseDialog() var2.set(path) def browseDialogTof2(): path=browseDialog() varf2.set(path) def browseDialogTof3(): path=browseDialog() varf3.set(path) def browseDialogTof4(): path=browseDialog() varf4.set(path) tab = ttk.Notebook(mainGUI) frame0 = tk.Frame(tab) tab6 = tab.add(frame0, text = "m4s转mp4") frame1 = tk.Frame(tab) tab1 = tab.add(frame1, text = "blv,flv转mp4") frame2 = tk.Frame(tab) tab2 = tab.add(frame2, text = "提取音频") frame3 = tk.Frame(tab) tab3 = tab.add(frame3, text = "音频截取") tab.pack(expand = True, fill = tk.BOTH) #----------------------------------------------------------------------------------------------# l1=tk.Label(frame0,text = "请选择视频文件",font=('Arial', 15),width=100,height=2) l1.pack() var=tk.StringVar() var.set("") e1 = tk.Entry(frame0,textvariable = var, show = None)#显示成明文形式 e1.pack() b1=tk.Button(frame0, text='浏览', width=6, height=2, command=browseDialogTo) b1.pack() l2=tk.Label(frame0,text = "请选择音频文件",font=('Arial', 15),width=100,height=2) l2.pack() var2=tk.StringVar() var2.set("") e2 = tk.Entry(frame0,textvariable = var2, show = None)#显示成明文形式 e2.pack() b2=tk.Button(frame0, text='浏览', width=6, height=2, command=browseDialogTo2) b2.pack() l3=tk.Label(frame0,text = "请输入新文件命名",font=('Arial', 15),width=100,height=2) l3.pack() e3 = tk.Entry(frame0, show = None)#显示成明文形式 e3.pack() def myCMD(path1,path2,name): ver=os.popen("FFmpeg -i "+path1+" -i "+path2+" -codec copy "+"C:\\Users\\renboyu010214\\Desktop\\outputFile\\"+name+".mp4") ver.close() def myCMDmain(): path1=e1.get() path2=e2.get() name=e3.get() myCMD(path1,path2,name) tkinter.messagebox.showinfo(title='success', message="转码成功!") b4=tk.Button(frame0, text='确定', width=6, height=2, command=myCMDmain) b4.pack() #----------------------------------------------------------------------------------------------# lf2=tk.Label(frame1,text = "请选择blv或flv文件",font=('Arial', 15),width=100,height=2) lf2.pack() varf2=tk.StringVar() varf2.set("") ef2 = tk.Entry(frame1,textvariable = varf2, show = None)#显示成明文形式 ef2.pack() bf2=tk.Button(frame1, text='浏览', width=6, height=2, command=browseDialogTof2) bf2.pack() lf2_1=tk.Label(frame1,text = "请输入新文件命名",font=('Arial', 15),width=100,height=2) lf2_1.pack() ef2_1 = tk.Entry(frame1, show = None)#显示成明文形式 ef2_1.pack() def myCMDmainf2(): path1=ef2.get() name=ef2_1.get() ver=os.popen("ffmpeg -i "+path1+" "+"C:\\Users\\renboyu010214\\Desktop\\outputFile\\"+name+".mp4") ver.close() tkinter.messagebox.showinfo(title='success', message="转码成功!") bf2=tk.Button(frame1, text='确定', width=6, height=2, command=myCMDmainf2) bf2.pack() #----------------------------------------------------------------------------------------------# lf3=tk.Label(frame2,text = "请选择视频文件",font=('Arial', 15),width=100,height=2) lf3.pack() varf3=tk.StringVar() varf3.set("") ef3 = tk.Entry(frame2,textvariable = varf3, show = None)#显示成明文形式 ef3.pack() bf3=tk.Button(frame2, text='浏览', width=6, height=2, command=browseDialogTof3)###### bf3.pack() lf3_1=tk.Label(frame2,text = "请输入新文件命名",font=('Arial', 15),width=100,height=2) lf3_1.pack() ef3_1 = tk.Entry(frame2, show = None)#显示成明文形式 ef3_1.pack() def myCMDmainf3(): path1=ef3.get() name=ef3_1.get() ver=os.popen("ffmpeg -i "+path1+" -acodec copy -vn "+"C:\\Users\\renboyu010214\\Desktop\\outputFile\\"+name+".aac") #ffmpeg -i F:\video\冠世一战.mp4 -acodec copy -vn F:\video\output.aac ver.close() tkinter.messagebox.showinfo(title='success', message="音频提取成功!") bf3=tk.Button(frame2, text='确定', width=6, height=2, command=myCMDmainf3) bf3.pack() #----------------------------------------------------------------------------------------------# #----------------------------------------------------------------------------------------------# lf4=tk.Label(frame3,text = "请选择音频/视频文件",font=('Arial', 15),width=100,height=2) lf4.pack() varf4=tk.StringVar() varf4.set("") ef4 = tk.Entry(frame3,textvariable = varf4, show = None)#显示成明文形式 ef4.pack() bf4=tk.Button(frame3, text='浏览', width=6, height=2, command=browseDialogTof4)###### bf4.pack() lf4_1=tk.Label(frame3,text = "请输入新文件命名(音频后缀.mp3 视频后缀.mp4)",font=('Arial', 15),width=100,height=2) lf4_1.pack() ef4_1 = tk.Entry(frame3, show = None)#显示成明文形式 ef4_1.pack() lf4_2=tk.Label(frame3,text = "请输入开始时间(xx:xx:xx)",font=('Arial', 15),width=100,height=2) lf4_2.pack() ef4_2 = tk.Entry(frame3, show = None)#显示成明文形式 ef4_2.pack() lf4_3=tk.Label(frame3,text = "请输入截取时间(xx:xx:xx)",font=('Arial', 15),width=100,height=2) lf4_3.pack() ef4_3 = tk.Entry(frame3, show = None)#显示成明文形式 ef4_3.pack() def myCMDmainf4(): path1=ef4.get() name=ef4_1.get() startTime=ef4_2.get() time=ef4_3.get() ver=os.popen("ffmpeg -ss "+startTime+" -t "+time+" -i "+path1+" -vcodec copy -acodec copy "+"C:\\Users\\renboyu010214\\Desktop\\outputFile\\"+name) #ffmpeg -ss 00:00:00 -t 00:00:05 -i input.mp4 -vcodec copy -acodec copy output.mp4 ver.close() tkinter.messagebox.showinfo(title='success', message="音频/视频截取成功!") bf4=tk.Button(frame3, text='确定', width=6, height=2, command=myCMDmainf4) bf4.pack() #----------------------------------------------------------------------------------------------# mainGUI.mainloop()
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