用turtle和open-cv开发的视频播放器,带有测试视频

import time import turtle import cv2 from PIL import Image, ImageTk class Clock: """控制fps的时钟Clock类""" def __init__(self): self._old_start_time = time.perf_counter() self._start_time = time.perf_counter() def tick(self,fps=0): """返回每帧逝去的时间，如果fps不为0，则会等待直到时间大于1/fps""" end_time = time.perf_counter() elapsed_time = end_time - self._start_time if fps!=0: step = 1/fps if elapsed_time < step: # 如果逝去的时间小于step则等待 time.sleep(step - elapsed_time) self._old_start_time = self._start_time self._start_time = time.perf_counter() return time.perf_counter() - self._old_start_time def getfps(self): """得到fps""" t = time.perf_counter() - self._old_start_time return round(1/t,2) screen = turtle.getscreen() screen.title('李兴球Python博客www.lixingqiu.com') screen.setup(800,600) cap = cv2.VideoCapture("汉服展.mp4") canvas = screen.cv fps = int(round(cap.get(cv2.CAP_PROP_FPS))) frame_counter = int(cap.get(cv2.CAP_PROP_FRAME_COUNT)) print('帧率=',fps) print('帧数=',frame_counter) clock = Clock() while True: ret, frame = cap.read() if not ret: break # Convert the frame to a Tkinter-compatible image img = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) img = cv2.resize(img, (640, 480)) img = Image.fromarray(img) img = ImageTk.PhotoImage(image=img) # Update the canvas with the new image canvas.create_image(-320, -240, anchor=turtle.TK.NW, image=img) screen.update() clock.tick(fps) cap.release() cv2.destroyAllWindows() screen._root.destroy()