Question

我附上了我的代码。基本上，一切都运行良好，除了视频没有正确恢复播放应该。音频继续，但视频无法正常恢复。请帮忙。我基本上已经对所有内容进行了评论，但为了概述（因为我无法在没有上下文的情况下发布），我的代码会显示一个对话框并暂停视频。如果密码不匹配，则会重新提示用户，直到他们输入正确的密码。正确输入密码后，视频应恢复正常。另外，我知道Python使用Lists，所以请原谅我在代码中将它们称为数组。我刚来自C，这就是我以前所做的。我将纠正这一进展。

#!/usr/bin/env python2
# -*- coding: utf-8 -*-

############################################################
#      This program is designed to play a video            #
#      where the user has to enter different passwords     #
#      to resume playing of the video file                 #
############################################################

from __future__ import division

from psychopy import visual, core, event, gui
import time, os
from timeit import default_timer

videopath = r'./Devin.mp4'
videopath = os.path.join(os.getcwd(), videopath)
if not os.path.exists(videopath):
    raise RuntimeError("Video File could not be found:" + videopath)

win = visual.Window([2500, 1600])

# Create your movie stim.
mov = visual.MovieStim2(win, videopath,
    size = 1280,
    pos=[0,420], 
    flipVert=False, flipHoriz=False,
    loop=False)

globalClock = core.Clock() # May use this to end the video 

#Passwords that are required to resume playing the video
progPassword = ['doggy', 'garbage', 'actively', 'caring']

# The intervals in time[] indicate when the video pause occurs in seconds 
# The times indicate the seconds after each previous interval passes
# The first interval is 0 + 90, so the pause occurs at 90 seconds
# The times[2] represents 90 + 135, or 225 seconds.
# So, the second pause occurs after a 3:45 progression into the movie
#times = [90, 135, 210, 285] 
times = [5, 5, 5, 5]
j = (len(progPassword) - 1) # Number of entries in the array 'password' -- count the commas in progPassword, that's the value of j
print(j)
# n = progPassword[-1] <-- refers to the last entry in an array in python

"""Program Start"""

i = 0 # Starts i = 0 because arrays are indexed at 0. times[0] corresponds to 90 seconds
while i <= j:
    start = time.time() # Starting a timer to run in tandem with the video
    future = start + times[i] 
    print(future)
    mov.play() 
    while time.time() < future: # Plays the video for the corresponding interval in time[i]
        mov.draw()
        win.flip()

    mov.pause()    
    while time.time() > future:  # Pauses the video and displays my dialogue box prompting
        myDlg = gui.Dlg(title = 'The password is: ' + progPassword[i])
        myDlg.addField('Please enter the password')
        myDlg.show()
        if myDlg.OK:
            userPassword = myDlg.data[0]
            if userPassword == progPassword[i]:
               i += 1
               print(i)
               break
            if userPassword != progPassword[i] or myDlg != myDlg.OK: 
               continue # If user doesn't enter the correct password, then the loop repeats until the correct password is entered

"""Playing movie until EOF"""

mov.play()
while i > j:
    mov.draw()
    win.flip()

win.close()
core.quit()

Answer 1

这是在心理学论坛上讨论的。无需交叉发布

暂停后心理视频无法正常播放

1 个答案: