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  • 视频加字幕

    import os
    
    os_sep = os.sep
    this_file_abspath = os.path.abspath(__file__)
    this_file_dirname, this_file_name = os.path.dirname(this_file_abspath), os.path.abspath(__file__).split(os_sep)[
        -1]
    
    f_mp3 = '{}{}{}'.format(this_file_dirname, os_sep, 'auido.mp3')
    from playsound import playsound
    
    import time
    import math
    
    this_time = time.time()
    
    # playsound(f_mp3)
    
    # t_spend = time.time() - this_time
    t_spend = 58.777058839797974
    # 音频的秒数
    t_spend = math.ceil(t_spend)
    import cv2
    import glob
    
    
    
    '''
    python+opencv视频图像相互转换 - CSDN博客 https://blog.csdn.net/m0_37733057/article/details/79023693
    链接:https://www.zhihu.com/question/49558804/answer/343058915
    
    OpenCV: Drawing Functions in OpenCV https://docs.opencv.org/3.1.0/dc/da5/tutorial_py_drawing_functions.html
    
    '''
    # 每秒传输帧数(Frames Per Second)
    fps = 100  # 保存视频的FPS,可以适当调整 FPS是图像领域中的定义,是指画面每秒传输帧数,通俗来讲就是指动画或视频的画面数。FPS是测量用于保存、显示动态视频的信息数量。每秒钟帧数愈多,所显示的动作就会愈流畅。通常,要避免动作不流畅的最低是30。某些计算机视频格式,每秒只能提供15帧。
    fps = 15
    fps = 5
    
    fourcc = cv2.VideoWriter_fourcc('M', 'J', 'P', 'G')  # opencv3.0
    
    f_v = '{}{}'.format(int(time.time()), 'saveVideo.avi')
    f_img_d = '{}{}{}{}{}'.format(this_file_dirname, os_sep, 'mypng', os_sep, '*.jpg')
    imgs = glob.glob(f_img_d)
    
    img = cv2.imread(imgs[0])
    img_size = (img.shape[1], img.shape[0])
    videoWriter = cv2.VideoWriter(f_v, fourcc, fps, img_size)
    
    """
    用图片总数均分音频时间
    """
    os_delay_factor=0.14
    os_delay_factor=0.11
    myinterval = t_spend / len(imgs)*os_delay_factor
    
    for imgname in imgs:
        this_time = time.time()
        while time.time() - this_time < myinterval:
            print(imgname)
            img = cv2.imread(imgname)
            mytxt = '{}{}'.format('OpenCV-text-xl-', time.time())
            text, font = mytxt, cv2.FONT_HERSHEY_SIMPLEX
            org_step=10
            org=(int(img.shape[1]/2-org_step), int(img.shape[0]/2-org_step))
            cv2.putText(img, text, org, font, 1, (0, 0, 0), 2, cv2.LINE_AA)
            videoWriter.write(img)
            videoWriter.write(img)
    
    videoWriter.release()
    

      

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  • 原文地址:https://www.cnblogs.com/rsapaper/p/8758906.html
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