您好,这是我的代码,音频和视频是分开录制的,暂停音频和视频,希望对您有所帮助
import cv2
import numpy as np
from datetime import datetime
import gtk
import keyboard
import pyaudio
import wave
import sys
flagrecord=True
#chunk = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 1
RATE = 44100
ropen=True
chunk = int(RATE/20)
def show_webcam(flagrecord):
cam = cv2.VideoCapture(0)
fourcc = cv2.VideoWriter_fourcc(*'XVID')
frame_width = int(cam.get(3))
frame_height = int(cam.get(4))
FONT = cv2.FONT_HERSHEY_PLAIN
filename = datetime.now().strftime("%Y-%m-%d_%H.%M.%S") + ".avi"
filenamea = datetime.now().strftime("%Y-%m-%d_%H.%M.%S")
p = pyaudio.PyAudio()
stream = p.open(format = FORMAT,
channels = CHANNELS,
rate = RATE,
input = True,
frames_per_buffer = chunk)
out = cv2.VideoWriter(filename,fourcc, 20, (frame_width,frame_height))
all = []
aux = []
stream.start_stream()
flagaudio=False
while True:
ret_val, img = cam.read()
title = datetime.now().strftime("%Y-%m-%d*%H:%M:%S")
if flagrecord:
img = cv2.flip(img,1)
cv2.putText(img, "REC", (40,40), FONT, 3 , (0,0,255), 3)
cv2.circle(img, (20,20), 10 , (0,0,255), -1)
cv2.rectangle(img, (30,430),(600,480),(0,0,0), -1)
cv2.putText(img, title, (40,470), FONT, 3 , (255,255,255), 2)
cv2.imshow('Grabacion de Audiencias', img)
data = stream.read(chunk)
aux.append(data)
out.write(img)
else:
img = cv2.flip(img,1)
cv2.putText(img, "PAUSE", (40,40), FONT, 3 , (255,0,0), 3)
cv2.circle(img, (20,20), 10 , (255,0,0), -1)
cv2.rectangle(img, (50,430),(570,480),(0,0,0), -1)
cv2.putText(img, "Audiencias En Pausa", (60,470), FONT, 3 , (255,0,0), 2)
cv2.imshow('Grabacion de Audiencias', img)
if flagaudio:
all+=aux
del aux[:]
data= 0
stream.stop_stream()
else:
pass
q=cv2.waitKey(1)
if q == 27:
break
if q == ord('p'):
flagrecord=False
flagaudio = True
if q == ord('c'):
flagrecord=True
flagaudio=False
stream.start_stream()
if q == ord('q'):
break
cam.release()
out.release()
cv2.destroyAllWindows()
stream.close()
p.terminate()
all+=aux
data = ''.join(all)
wf = wave.open(filenamea, 'wb')
wf.setnchannels(CHANNELS)
wf.setsampwidth(p.get_sample_size(FORMAT))
wf.setframerate(RATE)
wf.writeframes(data)
wf.close()
def main():
show_webcam(mirror=True)
if __name__ == '__main__':
main()