single channel audio's video to dual channel audio

 import tkinter as tk

from tkinter import filedialog

from tkinter import ttk

from moviepy.editor import *

import subprocess

def select_input_file():

file_path = filedialog.askopenfilename()

input_file_entry.delete(0, tk.END)

input_file_entry.insert(0, file_path)

def select_output_folder():

folder_path = filedialog.askdirectory()

output_folder_entry.delete(0, tk.END)

output_folder_entry.insert(0, folder_path)

def convert_to_dual_mono():

input_file = input_file_entry.get()

output_folder = output_folder_entry.get()

# extract audio using MoviePy

clip = VideoFileClip(input_file)

audio = clip.audio

audio.write_audiofile(output_folder + "/audio.wav")

audio.close()

clip.close()

# load audio and convert to dual mono using ffmpeg

audio = AudioFileClip(output_folder + "/audio.wav")

audio.close()

subprocess.call(['ffmpeg', '-i', output_folder + '/audio.wav', '-ac', '1', '-channel_layout', 'mono', output_folder + '/dual_mono_audio.wav'])

progress_bar["value"] = progress_bar["maximum"]

root = tk.Tk()

root.title("Video to Dual Mono Converter")

# create input file selector

input_file_label = tk.Label(root, text="Select input file:")

input_file_label.grid(row=0, column=0)

input_file_entry = tk.Entry(root, width=50)

input_file_entry.grid(row=0, column=1)

input_file_button = tk.Button(root, text="Browse", command=select_input_file)

input_file_button.grid(row=0, column=2)

# create output folder selector

output_folder_label = tk.Label(root, text="Select output folder:")

output_folder_label.grid(row=1, column=0)

output_folder_entry = tk.Entry(root, width=50)

output_folder_entry.grid(row=1, column=1)

output_folder_button = tk.Button(root, text="Browse", command=select_output_folder)

output_folder_button.grid(row=1, column=2)

# create convert button

convert_button = tk.Button(root, text="Convert to Dual Mono", command=convert_to_dual_mono)

convert_button.grid(row=2, column=1)

# create progress bar

progress_bar = tk.ttk.Progressbar(root, orient=tk.HORIZONTAL, length=300, mode="determinate")

progress_bar.grid(row=3, column=0, columnspan=3, padx=10, pady=10)

root.mainloop()