fourcc=cv2.VideoWriter_fourcc(*'XVID') out=cv2.VideoWriter('testwrite.avi',fourcc,20.0,(1920,1080),True) while(cap.isOpened()): ret,frame=cap.read() ifret==True: cv2.imshow('frame',frame) out.write(frame) ifcv2.waitKey(10)&0xFF==ord('q'): ...
# 需要導入模塊: import cv2 [as 別名]# 或者: from cv2 importVideoWriter_fourcc[as 別名]def_create_video_writer(self)-> Optional[cv2.VideoWriter]:ifnotself.output_dir:returnNoneext = self.config.demo.output_file_extensionifext =='mp4': fourcc = cv2.VideoWriter_fourcc(*'H264')elifext =='...
#cv2.VideoWriter_fourcc('I', '4', '2', '0'),该参数是YUV编码类型,文件名后缀为.avi 广泛兼容,但会产生大文件#cv2.VideoWriter_fourcc('P', 'I', 'M', 'I'),该参数是MPEG-1编码类型,文件名后缀为.avi#cv2.VideoWriter_fourcc('X', 'V', 'I', 'D'),该参数是MPEG-4编码类型,文件名后缀...
import os import glob def imgs2video(imgs_dir): # imgs_dir是图片所在文件夹路径 fps = 24 # 频率 fourcc = cv2.VideoWriter_fourcc(*'MJPG') # 格式 # 下面是视频存储路径 file_path = imgs_dir + 'zjc.avi' # avi格式亲测可用, mp4也可以但是报错如下: ''' OpenCV: FFMPEG: tag 0x47504a...
设置视频的格式 cv.VideoWriter_fourcc; 创建视频的写入对象 cv.VideoWriter; 倒序循环视频图像列表; 写入下一帧视频 writer.write; 完成循环,关闭视频写入,释放对象。 #转MP4 def create_mp4(filename, fps, images): h,w,c = images[0].shape fourcc = cv.VideoWriter_fourcc(*'mp4v') writer = cv.Video...
k = cv.waitKey(0) & 0xff if k == 27: # wait for ESC key to exit cv.destroyAllWindows elif k == ord('s'): # wait for 's' key to save and exit cv.imwrite('cat.png', img) cv.destroyAllWindows 在上面的程序中,以灰度加载图像,显示图像,按下键盘的“ s”键保存图像并退出,或者...
cv2.VideoWriter_fourcc('F', 'L', 'V', '1') = FLV1 codec 通过摄像头录制了长约5分钟的视频,在D盘下生成的文件如下: 生成文件占用空间最小的编码方式是 MPEG-4.2 codec,约为19MB。用红线段标识,对应在VideoWriter类的构造函数参数为CV_FOURCC('M', 'P', '4', '2') 。
cv2.VideoWriter_fourcc cv2.cv.FOURCC 创建视频的文档很详细,但成功写入视频文件所需的编解码器和文件扩展名的组合的文档却没有。 我们将使用高效且线程化的VideoStream 使我们可以同时访问内置/ USB网络摄像头和Raspberry Pi摄像头模块。 VideoStream 类在imutils Python包内部实现。您可以阅读有关VideoStream的更多信...
updateImage(cv_img_rgb) Example #11Source File: utils.py From ActionAI with GNU General Public License v3.0 6 votes def source_capture(source): source = int(source) if source.isdigit() else source cap = cv2.VideoCapture(source) fourcc_cap = cv2.VideoWriter_fourcc(*'MJPG') cap.set(...
video = cv2.VideoWriter('test.avi', fourcc, fps, (width, high)) while True: # 开始录制 im = ImageGrab.grab() im_cv = cv2.cvtColor(np.array(im), cv2.COLOR_BGR2RGB) # 图像写入 video.write(im_cv) if xx: # 当某某条件满足中断循环 ...