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| import cv2 | |
| from http.server import BaseHTTPRequestHandler, HTTPServer | |
| from socketserver import ThreadingMixIn | |
| capture = None | |
| class CamHandler(BaseHTTPRequestHandler): | |
| def do_GET(self): | |
| print(self.path) | |
| if self.path.endswith('/stream.mjpg'): | |
| self.send_response(20) | |
| self.send_header('Content-type', 'multipart/x-mixed-replace; boundary=--jpgboundary') | |
| self.end_headers() | |
| while True: | |
| try: | |
| if(frame != None): | |
| pass | |
| r, buf = cv2.imencode(".jpg", frame) | |
| self.wfile.write("--jpgboundary\r\n".encode()) | |
| self.end_headers() | |
| self.wfile.write(bytearray(buf)) | |
| except KeyboardInterrupt: | |
| break | |
| return | |
| if self.path.endswith('.html') or self.path == "/": | |
| self.send_response(200) | |
| self.send_header('Content-type', 'text/html') | |
| self.end_headers() | |
| self.wfile.write('<html><head></head><body>') | |
| self.wfile.write('<img src="http://localhost:9090/stream.mjpg" height="240px" width="320px"/>') | |
| self.wfile.write('</body></html>') | |
| return | |
| class ThreadedHTTPServer(ThreadingMixIn, HTTPServer): | |
| """Handle requests in a separate thread.""" | |
| class WebcamVideoStream: | |
| def __init__(self, src=0): | |
| # initialize the video camera stream and read the first frame | |
| # from the stream | |
| self.stream = cv2.VideoCapture(src) | |
| # self.stream.set(3, 1920) | |
| # self.stream.set(4, 1080) | |
| # self.stream.set(15,-100) | |
| (self.grabbed, self.frame) = self.stream.read() | |
| # initialize the variable used to indicate if the thread should | |
| # be stopped | |
| self.stopped = False | |
| def start(self): | |
| # start the thread to read frames from the video stream | |
| Thread(target=self.update, args=()).start() | |
| return self | |
| def update(self): | |
| # keep looping infinitely until the thread is stopped | |
| while True: | |
| # if the thread indicator variable is set, stop the thread | |
| if self.stopped: | |
| self.stream.release() | |
| return | |
| # otherwise, read the next frame from the stream | |
| (self.grabbed, self.frame) = self.stream.read() | |
| def read(self): | |
| # return the frame most recently read | |
| return self.frame | |
| def stop(self): | |
| # indicate that the thread should be stopped | |
| self.stopped = True | |
| def main(): | |
| global capture | |
| ip = '' | |
| capture = cv2.VideoCapture(0) | |
| capture.set(3, 320) | |
| capture.set(4, 240) | |
| try: | |
| server = ThreadedHTTPServer((ip, 9090), CamHandler) | |
| print("starting server") | |
| server.serve_forever() | |
| except KeyboardInterrupt: | |
| capture.release() | |
| server.socket.close() | |
| if __name__ == '__main__': | |
| main() |