树莓派：python3通过usb摄像头拍照并通过socket传到PC机

骑猪看日落 2022-04-18 02:22 746阅读 0赞

首先，树莓派要能够使用摄像头，具体使用树莓派完成拍照参照以下两位作者的博客。

[https://blog.csdn.net/NCTU\_to\_prove\_safety/article/details/64923572][https_blog.csdn.net_NCTU_to_prove_safety_article_details_64923572] @ [NCTU\_to\_prove\_safety][NCTU_to_prove_safety]

[https://blog.csdn.net/weixin\_42828324/article/details/81938977][https_blog.csdn.net_weixin_42828324_article_details_81938977] @ [淹不死的狐狸][Link 1]

server.py

# -*- coding: UTF-8 -*-
    from imageai.Prediction import ImagePrediction
    import socket
    import os
    import sys
    import struct
    import time
    
    
    def socket_service():
        try:
            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
            s.bind(('192.168.1.178', 6666))
            s.listen(10)
        except socket.error as msg:
            print(msg)
            sys.exit(1)
    
        print("Wait")
    
        while True:
            sock, addr = s.accept()
            deal_data(sock, addr)
            break
        s.close()
    
    
    def deal_data(sock, addr):
        print("Accept connection from {0}".format(addr))
    
        while True:
            fileinfo_size = struct.calcsize('128sl')
            buf = sock.recv(fileinfo_size)
            if buf:
                filename, filesize = struct.unpack('128sl', buf)
                fn = filename.decode().strip('\x00')
                new_filename = os.path.join('./', 'new_' + fn)
    
                recvd_size = 0
                fp = open(new_filename, 'wb')
    
                while not recvd_size == filesize:
                    if filesize - recvd_size > 1024:
                        data = sock.recv(1024)
                        recvd_size += len(data)
                    else:
                        data = sock.recv(1024)
                        recvd_size = filesize
                    fp.write(data)
                fp.close()
            sock.close()
        
            break
    
    
    
    
    if __name__ == '__main__':
        socket_service()

Client.py

import socket
    import time
    import os
    import sys
    import struct
    
    
    def sock_client():
        try:
            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            s.connect(('192.168.1.178', 6666))
        except socket.error as msg:
            print(msg)
            print(sys.exit(1))
    
        while True:
            #filepath = input('input the file: ')
            os.system("fswebcam -S 10 image2.jpg")
            time.sleep(1)
            filepath = 'image2.jpg'
            fhead = struct.pack(b'128sl', bytes(os.path.basename(filepath).encode('utf-8')), os.stat(filepath).st_size)
            s.send(fhead)
            print('client filepath: {0}'.format(filepath))
    
            fp = open(filepath, 'rb')
            while 1:
                data = fp.read(1024)
                if not data:
                    print('{0} file send over...'.format(filepath))
                    break
                s.send(data)
            s.close()
            break
    
    
    if __name__ == '__main__':
        sock_client()

[https_blog.csdn.net_NCTU_to_prove_safety_article_details_64923572]: https://blog.csdn.net/NCTU_to_prove_safety/article/details/64923572
[NCTU_to_prove_safety]: https://me.csdn.net/NCTU_to_prove_safety
[https_blog.csdn.net_weixin_42828324_article_details_81938977]: https://blog.csdn.net/weixin_42828324/article/details/81938977
[Link 1]: https://me.csdn.net/weixin_42828324