如何解决使用python录制同时分割成多个视频
我想知道如何在录制 3 个网络摄像头、将它们刻录到磁盘、为每个摄像头创建一个文件夹并实时分隔 3 分钟大小的视频的同时进行此操作。还要检查每个人是否连接到计算机,并使用线程执行此操作
from threading import Thread
import cv2
import time
data_string = time.strftime("%d_%m_%Y-%H_%M_%s")
class VideoWriterWidget(object):
def __init__(self,video_file_name,src):
self.frame_name = str(src)
self.video_file = video_file_name
self.video_file_name = data_string + video_file_name + '.mp4'
self.capture = cv2.VideoCapture(src)
self.frame_width = int(self.capture.get(3))
self.frame_height = int(self.capture.get(4))
self.codec = cv2.VideoWriter_fourcc('V','I','D','X')
self.output_video = cv2.VideoWriter(self.video_file_name,self.codec,15,(self.frame_width,self.frame_height))
self.thread = Thread(target=self.update,args=())
self.thread.daemon = True
self.thread.start()
self.start_recording()
print('initialized {}'.format(self.video_file))
def update(self):
while True:
if self.capture.isOpened():
(self.status,self.frame) = self.capture.read()
self.momento = time.strftime("%d_%m_%Y-%H_%M_%s")
def show_frame(self):
if self.status:
cv2.imshow(self.frame_name,self.frame)
key = cv2.waitKey(1)
if key == ord('q'):
self.capture.release()
self.output_video.release()
cv2.destroyAllWindows()
exit(1)
def save_frame(self):
self.output_video.write(self.frame)
def start_recording(self):
def start_recording_thread():
while True:
try:
self.show_frame()
self.save_frame()
except AttributeError:
pass
self.recording_thread = Thread(target=start_recording_thread,args=())
self.recording_thread.daemon = True
self.recording_thread.start()
if __name__ == '__main__':
src1 = 'Your link1'
video_writer_widget1 = VideoWriterWidget('Camera 1',0)
src2 = 'Your link2'
video_writer_widget2 = VideoWriterWidget('Camera 2',1)
src3 = 'Your link3'
video_writer_widget3 = VideoWriterWidget('Camera 3',2)
while True:
time.sleep(5)
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