視頻加字幕
阿新 • • 發佈:2018-04-09
end 動態 time 總數 .com tail print frame val
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 # 音頻的秒數 t_spend = math.ceil(t_spend) import cv2 import glob ‘‘‘ python+opencv視頻圖像相互轉換 - CSDN博客 https://blog.csdn.net/m0_37733057/article/details/79023693 鏈接: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 ‘‘‘ # 每秒傳輸幀數(Frames Per Second) fps = 100 # 保存視頻的FPS,可以適當調整 FPS是圖像領域中的定義,是指畫面每秒傳輸幀數,通俗來講就是指動畫或視頻的畫面數。FPS是測量用於保存、顯示動態視頻的信息數量。每秒鐘幀數愈多,所顯示的動作就會愈流暢。通常,要避免動作不流暢的最低是30。某些計算機視頻格式,每秒只能提供15幀。 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) """ 用圖片總數均分音頻時間 """ 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()
視頻加字幕