python-3.x - 如何在python中使用屏幕录制来录制语音

Question

我正在用 python 制作一个屏幕录像机，我成功地使用 python PIL 库捕获了屏幕。

并将其显示在标签中(当前录音)。

现在我想要的是当用户在我的 GUI 窗口中单击音频录制按钮时录制用户的音频，并在用户单击停止录制语音按钮时停止录制语音。

And finally i want to merge my voice and video recording to a final output as a video with voice

谁能告诉我如何将这两个代码合并到一个脚本中并成功运行。

import datetime
import tkinter as tk
from tkinter import *
from tkinter import ttk ,FLAT
from PIL import Image, ImageTk, ImageGrab
import cv2
import numpy as np
import threading
import win32api
from tkinter.filedialog import asksaveasfilename


VIDEO_SIZE = (800,420)     #(960, 540)

cap = cv2.VideoCapture(0) 

date = datetime.datetime.now()
filename='rec_%s-%s-%s-%s%s%s.mp4' % (date.year, date.month, date.day,
                                                     date.hour, date.minute, date.second)

fourcc = cv2.VideoWriter_fourcc(*'H264')
frame_rate = 15

out = cv2.VideoWriter()
def change_i():
        if sound_btn.image == icon:
            start_recording()

            sound_btn.config(image=icon2)
            sound_btn.image = icon2
        else:
            stop_recording()

            sound_btn.config(image=icon)
            sound_btn.image = icon

def change_r():
        if rec_btn['text'] == 'Start Recording':
            start_recording()

            rec_btn.config(text="Stop Recoding")
        else:
            stop_recording()

            rec_btn.config(text="Start Recording")
def change_w():
        if cap_btn.image == web:
            start_webcam()

            cap_btn.config(image=web2)
            cap_btn.image = web2
        else:
            stop_webcam(None)

            cap_btn.config(image=web)
            cap_btn.image = web
# --- screen capture
def Cursor_pos(img,center,radius,color,thickness):
    center = tuple(map(int,center))
    rgb = [255*c for c in color[:3]] # convert to 0-255 scale for OpenCV
    alpha = color[-1]
    radius = int(radius)
    if thickness > 0:
        pad = radius + 2 + thickness
    else:
        pad = radius + 3
    roi = slice(center[1]-pad,center[1]+pad),slice(center[0]-pad,center[0]+pad)

    try:
        overlay = img[roi].copy()
        cv2.circle(img,center,radius,rgb, thickness=thickness, lineType=cv2.LINE_AA)
        opacity = alpha
        cv2.addWeighted(src1=img[roi], alpha=opacity, src2=overlay, beta=1. - opacity, gamma=0, dst=img[roi])
    except:
        logger.debug("transparent_circle would have been partially outside of img. Did not draw it.")

def recording_screen():

    global recording
    recording = True
    while recording:0,0.5), -1)
        #cv2.circle(frame, curpos, 10, (0,255,255), 2)
        frame = cv2.resize(frame, VIDEO_SIZE)
        tkimage.paste(Image.fromarray(frame))
        frame = cv2.cvtColor(frame, cv2.COLOR_RGB2BGR)
        out.write(frame)

def start_recording():

    if not out.isOpened():
    out.open(filename, fourcc, frame_rate, VIDEO_SIZE)
    threading.Thread(target=recording_screen, daemon=True).start()

def stop_recording():
    global recording
    recording = False
    out.release()

# --- webcam

webcam = None
WEBCAM_SIZE = (280, 200)

def read_frame(imgbox):

    if cap.isOpened():
        ret, frame = cap.read()
        if ret:
            frame = cv2.flip(frame, 1)
            frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
            frame = cv2.resize(frame, WEBCAM_SIZE)
            image = Image.fromarray(frame)
            imgbox.image.paste(image)
        webcam.after(20, read_frame, imgbox)

def stop_webcam(event):
    global webcam

    if webcam:
        webcam.destroy()
        webcam = None
        cap.release()
def start_webcam():
    global webcam

    if webcam is None:
        cap.isOpened()
        webcam = tk.Toplevel()
        #webcam = tk.lift()
        webcam.attributes("-topmost", True) #it keep the window on top of others
        webcam.geometry('{}x{}+5+520'.format(WEBCAM_SIZE[0], WEBCAM_SIZE[1]))
        webcam.overrideredirect(1)
        imgbox = tk.Label(webcam)
        imgbox.pack()
        imgbox.image = ImageTk.PhotoImage(image=Image.new('RGB',WEBCAM_SIZE,(0,0,0)))
        imgbox.config(image=imgbox.image)
        #webcam.bind('', stop_webcam)
        read_frame(imgbox)

# --- main

root = tk.Tk()
root.title('Screen Recorder')
#root.iconbitmap(r'rec_i.ico')  #for icon
root.resizable(width=False,height=False)
icon = PhotoImage(file='dh.png')
icon2 = PhotoImage(file='stop.png')
web = PhotoImage(file='webcam.png')
web2 = PhotoImage(file='webcamee.png')
root.geometry('+260+70')

tkimage = ImageTk.PhotoImage(Image.new('RGB', VIDEO_SIZE, (0,0,0)))


w, h = VIDEO_SIZE
vbox = tk.Label(root, image=tkimage, width=w, height=h, bg='black')
vbox.pack(pady=10,padx=25)

frame = tk.Frame(root)
frame.pack()

ound_btn = tk.Button(frame, image=icon, width=70,relief=FLAT ,command=change_i )
sound_btn.grid(row=0, column=1)
sound_btn.image = icon
cap_btn = tk.Button(frame, image=web, width=70,relief=FLAT, command=change_w)
cap_btn.grid(row=0, column=2)
cap_btn.image = web
message = Label(frame,text='**** press the start button to start recording ****')
message.grid(row=1, column=1)

root.mainloop()

我该怎么做才能在录制屏幕的同时通过麦克风录制用户的声音。

有什么建议吗？

Answer 1

您可以简单地在同一个脚本中录制屏幕和您的声音。该代码将生成两个文件，一个是 .mp4，另一个是 .mp3，现在您可以开始了……将该音频文件添加到视频文件并保存到路径。