108 lines
4.5 KiB
Python
108 lines
4.5 KiB
Python
# import cv2,os
|
||
# import time
|
||
# import subprocess as sp
|
||
# # 图片合并
|
||
# # def readImage():
|
||
# # p1 = cv2.imread("C:/Users/chenyukun/Pictures/Camera Roll/a.jpg")
|
||
# # p2 = cv2.imread("C:/Users/chenyukun/Pictures/Camera Roll/b.jpg")
|
||
# # ret = cv2.add(p1, p2)
|
||
# # cv2.imwrite(r"C:\Users\chenyukun\Pictures\Camera Roll\aa.jpg", ret)
|
||
# #
|
||
# # readImage()
|
||
# # https://opencv.apachecn.org/#/docs/4.0.0/2.1-tutorial_py_image_display
|
||
# if __name__ == "__main__":
|
||
# # print(cv2.__version__)
|
||
# # # 读取图像
|
||
# # p1 = cv2.imread("C:/Users/chenyukun/Pictures/Camera Roll/a.jpg", 0) # 以灰度模式加载图像
|
||
# # p2 = cv2.imread("C:/Users/chenyukun/Pictures/Camera Roll/b.jpg", 1) # **cv.IMREAD_COLOR**：加载彩色图像，任何图像的透明度都会被忽略，它是默认标志
|
||
# # p3 = cv2.imread("C:/Users/chenyukun/Pictures/Camera Roll/b.jpg", -1) # 加载图像，包括 alpha 通道
|
||
# # p4 = cv2.imread("C:/Users/chenyukun/Pictures/Camera Roll/a.jpg")
|
||
# # p5 = cv2.imread("C:/Users/chenyukun/Pictures/Camera Roll/c.jpg")
|
||
# # print(type(p5))
|
||
# # ret = cv2.add(p4, p5)
|
||
# # # 显示图像
|
||
# # cv2.imshow('frame', p1)
|
||
# # cv2.imshow('frame1', p2)
|
||
# # cv2.imshow('frame2', p3)
|
||
# # # 对显示窗口做调整，WINDOW_AUTOSIZE不可调整，WINDOW_NORMAL可调整窗口大小
|
||
# # cv2.namedWindow('frame3', cv2.WINDOW_AUTOSIZE)
|
||
# # cv2.imshow('frame3', ret)
|
||
# # # 等待时间 按下任务键
|
||
# # k = cv2.waitKey(1) & 0xFF
|
||
# # if k == 27: #ESC退出
|
||
# # cv2.destroyAllWindows()
|
||
# # elif k == ord('s'): # 's' 保存退出
|
||
# # # 保存图像
|
||
# # cv2.imwrite("C:/Users/chenyukun/Pictures/Camera Roll/d.jpg", ret)
|
||
# # cv2.destroyAllWindows()
|
||
#
|
||
#
|
||
#
|
||
# # 视频入门
|
||
# try:
|
||
# cap = cv2.VideoCapture("rtmp://live.play.t-aaron.com/live/THSAf_hd") # 0：表示连接一台摄像机
|
||
# print(cap.isOpened())
|
||
# print(cap)
|
||
# except Exception as e:
|
||
# print(e)
|
||
# raise e
|
||
# print("aaaa")
|
||
# # 有时，cap 可能没有初始化 capture。在这种情况下，此代码显示错误。你可以通过该方法 cap.isOpened() 检查它是否初始化。
|
||
# # 如果它是 True，那么是好的，否则用 cap.open() 打开在使用。
|
||
# fps = int(cap.get(cv2.CAP_PROP_FPS))
|
||
# width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
|
||
# height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
|
||
# print(fps,width,height)
|
||
# # # 设置宽
|
||
# # print(cap.set(cv2.CAP_PROP_FRAME_WIDTH, 320))
|
||
# # # 设置高
|
||
# # print(cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 240))
|
||
#
|
||
# # 声明编码器和创建 VideoWrite 对象
|
||
# fourcc = cv2.VideoWriter_fourcc(*'mp4v')
|
||
# out = cv2.VideoWriter('/home/DATA/dsp/ai/video/eee.mp4',fourcc, fps, (width, height))
|
||
# command=['/usr/bin/ffmpeg',
|
||
# '-y', # 覆盖输出文件
|
||
# '-f', 'rawvideo', # 强迫采用格式fmt
|
||
# '-vcodec','rawvideo',
|
||
# '-pix_fmt', 'bgr24',
|
||
# '-s', "{}x{}".format(640, 480),# 图片分辨率
|
||
# '-r', str(25.0),# 视频帧率
|
||
# '-i', '-',
|
||
# '-c:v', 'libx264',
|
||
# '-pix_fmt', 'yuv420p',
|
||
# '-preset', 'ultrafast',
|
||
# '-f', 'flv',
|
||
# "rtmp://live.push.t-aaron.com/live/THSAb"]
|
||
# # p = sp.Popen(command, stdin=sp.PIPE)
|
||
# start = time.time()
|
||
# while True:
|
||
#
|
||
# try:
|
||
# if not cap.isOpened():
|
||
# cap = cv2.VideoCapture("rtmp://live.play.t-aaron.com/live/THSAf_hd")
|
||
# continue
|
||
# # 一帧一帧捕捉
|
||
# ret, frame = cap.read() # 返回一个 bool 值(True/False)。如果加载成功，它会返回True
|
||
# if not ret:
|
||
# cap = cv2.VideoCapture("rtmp://live.play.t-aaron.com/live/THSAf_hd")
|
||
# continue
|
||
# # print(ret) #True
|
||
# # # 我们对帧的操作在这里
|
||
# # gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
|
||
# end = time.time()
|
||
# print("bbbbbbbbb")
|
||
# # p.stdin.write(frame.tostring())
|
||
# # print("aaaaa")
|
||
# out.write(frame)
|
||
# except Exception as e:
|
||
# raise e
|
||
# # # 显示返回的每帧
|
||
# # cv2.imshow('frame',gray)
|
||
# # if cv2.waitKey(1) & 0xFF == ord('q'):
|
||
# # break
|
||
# # 当所有事完成，释放 VideoCapture 对象
|
||
# cap.release()
|
||
# out.release()
|
||
# cv2.destroyAllWindows()
|