Python Pygame/Tkinter音乐播放器:时间滑块导致音频起伏
我正在用Pygame&Tkinter构建一个音乐播放器,目前正在尝试添加一个工作时间滑块,允许您通过拖动滑块跳到歌曲中的特定点 我将滑块末端的值('to'在配置中)设置为当前歌曲的长度,然后使用'after'更新滑块,如下所示:Python Pygame/Tkinter音乐播放器:时间滑块导致音频起伏,python,tkinter,pygame,mixer,Python,Tkinter,Pygame,Mixer,我正在用Pygame&Tkinter构建一个音乐播放器,目前正在尝试添加一个工作时间滑块,允许您通过拖动滑块跳到歌曲中的特定点 我将滑块末端的值('to'在配置中)设置为当前歌曲的长度,然后使用'after'更新滑块,如下所示: def update_timeslider(self, _ = None): time = (pygame.mixer.music.get_pos()/1000) timeslider.set(time) self.after(1000, sel
def update_timeslider(self, _ = None):
time = (pygame.mixer.music.get_pos()/1000)
timeslider.set(time)
self.after(1000, self.update_timeslider)
这在随着歌曲的时间移动滑块时起作用,但现在我正在尝试实现提示功能,出现了一些问题。我尝试用鼠标将歌曲位置更新为滑块的值
def cue(self, _ = None):
pygame.mixer.music.set_pos(timeslider.get())
现在,当我演奏这首歌时,它非常起伏。当我移动滑块时,它会在“after”函数更新之前工作一秒钟,但随后它会跳回到移动之前的位置。我试着提高刷新率,但这只会使它跳得更快,并且仍然像以前一样波涛汹涌
有更好的方法吗
完整代码:
import os
import pygame
import tkinter
from tkinter.filedialog import askdirectory
from tkinter import *
from tkinter import ttk
playlist = []
index = 0
paused = False
class Application(tkinter.Tk):
def __init__(self, parent):
tkinter.Tk.__init__(self, parent)
self.minsize(400,400)
self.parent = parent
self.main()
def main(self):
global v
global songlabel
global listbox
global volumeslider
global timeslider
global time_elapsed
global songlength
self.configure(background='grey')
self.grid()
self.listbox = Listbox(self, width=20, height=25, relief='ridge', bd=3)
self.listbox.grid(padx=30, pady=15, row=1, columnspan=11, sticky='NSEW')
v = StringVar()
songlabel = tkinter.Label(self, textvariable=v, width=30, anchor="n")
rewbtn = PhotoImage(file="rew.gif")
stopbtn = PhotoImage(file="stop.gif")
playbtn = PhotoImage(file="play.gif")
pausebtn = PhotoImage(file="pause.gif")
ffbtn = PhotoImage(file="ff.gif")
prevbutton = Button(self, width=30, height=30, image=rewbtn, anchor='w')
prevbutton.image = rewbtn
prevbutton.bind("<Button-1>", self.prevsong)
prevbutton.grid(row=10, column=0, padx=(30,0), sticky='w')
playbutton = Button(self, width=30, height=30, image=playbtn, anchor='w')
playbutton.image = playbtn
playbutton.bind("<Button-1>", self.play)
playbutton.grid(row=10, column=1, sticky='w')
pausebutton = Button(self, width=30, height=30, image=pausebtn, anchor='w')
pausebutton.image = pausebtn
pausebutton.bind("<Button-1>", self.pause)
pausebutton.grid(row=10, column=2, sticky='w')
stopbutton = Button(self, width=30, height=30, image=stopbtn, anchor='w')
stopbutton.image = stopbtn
stopbutton.bind("<Button-1>", self.stop)
stopbutton.grid(row=10, column=3, sticky='w')
nextbutton = Button(self, width=30, height=30, image=ffbtn, anchor='w')
nextbutton.image = ffbtn
nextbutton.bind("<Button-1>", self.nextsong)
nextbutton.grid(row=10, column=4, sticky='w')
volumeslider = Scale(self, from_=0, to = 1, resolution = 0.01, orient = HORIZONTAL, showvalue = 'yes', command = self.change_vol)
volumeslider.grid(row=10, column=8, columnspan=3, padx=30, pady=(0,10), sticky='wse')
volumeslider.set(50)
timeslider = Scale(self, from_=0, to=100, resolution=1, orient=HORIZONTAL, showvalue = 'no', command=self.cue)
timeslider.grid(row=12, column=0, columnspan=11, padx = 30, sticky='wse')
timeslider.set(0)
time_elapsed = Label(text="0:00:00")
time_elapsed.grid(row=13, columnspan=11, padx=(30,0), pady=(0,30), sticky='ws')
# time_remaining = Label(text="0:00:00")
# time_remaining.grid(row=13, column = 7, columnspan=5, padx=(0,30), pady=(0,30), sticky='se')
# FILE OPEN
self.directorychooser()
playlist.reverse()
for items in playlist:
self.listbox.insert(0, items)
playlist.reverse()
self.listbox.bind("<Double-Button-1>", self.selectsong)
self.listbox.bind("<Return>", self.selectsong)
songlabel.grid(row = 0, column = 0, columnspan = 10, padx = 55, pady=(10,0), sticky=W+N+E)
# GRID WEIGHT
self.grid_columnconfigure(5,weight=1)
self.grid_columnconfigure(7,weight=1)
self.grid_rowconfigure(1,weight=1)
def prevsong(self, event):
global index
if index > 0:
index-=1
print(index)
elif index == 0:
index = len(playlist)-1
pygame.mixer.music.load(playlist[index])
self.set_timescale()
pygame.mixer.music.play()
self.get_time_elapsed()
self.update_timeslider()
self.update_currentsong()
def play(self, event):
self.set_timescale()
pygame.mixer.music.play()
self.get_time_elapsed()
self.update_timeslider()
self.update_currentsong()
def pause(self, event):
global paused
if paused == True:
pygame.mixer.music.unpause()
paused = False
elif paused == False:
pygame.mixer.music.pause()
paused = True
def nextsong(self, event):
global index
if index < len(playlist)-1:
index+=1
elif index == (len(playlist)-1):
index = 0
pygame.mixer.music.load(playlist[index])
self.set_timescale()
pygame.mixer.music.play()
self.get_time_elapsed()
self.update_timeslider()
self.update_currentsong()
def stop(self, event):
pygame.mixer.music.stop()
v.set("")
return songlabel
def selectsong(self, event):
global index
global songtime
global songlength
idx = self.listbox.curselection()
index = idx[0]
pygame.mixer.music.load(playlist[index])
self.set_timescale()
pygame.mixer.music.play()
self.get_time_elapsed()
# self.get_time_remaining()
self.update_timeslider()
self.update_currentsong()
def change_vol(self, _ = None):
pygame.mixer.music.set_volume(volumeslider.get())
def cue(self, _ = None):
pygame.mixer.music.set_pos(timeslider.get())
def getsonglen(self):
s = pygame.mixer.Sound(playlist[index])
songlength = s.get_length()
return songlength
def set_timescale(self):
songlength = self.getsonglen()
timeslider.config(to=songlength)
def get_time_elapsed(self):
global time_elapsed
time = int(pygame.mixer.music.get_pos()/1000)
m, s = divmod(time, 60)
h, m = divmod(m, 60)
clock = "%d:%02d:%02d" % (h, m, s)
time_elapsed.configure(text=clock)
self.after(100, self.get_time_elapsed)
# def get_time_remaining(self):
# global time_remaining
# time = int(pygame.mixer.music.get_pos()/1000)
# songlen = int(self.getsonglen())
# rem = songlen - time
# m, s = divmod(rem, 60)
# h, m = divmod(m, 60)
# clock2 = "%d:%02d:%02d" % (h, m, s)
# time_remaining.configure(text=clock2)
# self.after(100, self.get_time_remaining)
def update_timeslider(self, _ = None):
time = (pygame.mixer.music.get_pos()/1000)
timeslider.set(time)
self.after(10, self.update_timeslider)
def update_currentsong(self):
global index
global songlabel
v.set(playlist[index])
return songlabel
def directorychooser(self):
directory = askdirectory()
os.chdir(directory)
for files in os.listdir(directory):
if files.endswith(".flac"):
realdir = os.path.realpath(files)
playlist.append(files)
print(files)
pygame.mixer.init()
pygame.mixer.music.load(playlist[0])
self.update_currentsong()
app = Application(None)
app.mainloop()
导入操作系统
导入pygame
进口tkinter
从tkinter.filedialog导入askdirectory
从tkinter进口*
从tkinter导入ttk
播放列表=[]
索引=0
暂停=错误
类应用程序(tkinter.Tk):
定义初始化(自身,父级):
tkinter.Tk.\uuuuu init\uuuuuu(自,父)
self.minsize(400400)
self.parent=parent
self.main()
def主(自):
全球v
全球歌曲标签
全局列表框
全局体积滑块
全球时间滑块
全局时间
全球歌曲长度
自我配置(背景为灰色)
self.grid()
self.listbox=listbox(self,宽度=20,高度=25,浮雕=ridge',bd=3)
self.listbox.grid(padx=30,pady=15,row=1,columnspan=11,sticky='NSEW')
v=StringVar()
songlabel=tkinter.Label(self,textvariable=v,width=30,anchor=“n”)
rewbtn=PhotoImage(file=“rew.gif”)
stopbtn=PhotoImage(file=“stop.gif”)
playbtn=PhotoImage(file=“play.gif”)
pausebtn=PhotoImage(file=“pause.gif”)
ffbtn=PhotoImage(file=“ff.gif”)
prevbutton=按钮(自身,宽度=30,高度=30,图像=rewbtn,锚定=w')
prevbutton.image=rewbtn
prevbutton.bind(“,self.prevsong)
网格(行=10,列=0,padx=(30,0),粘性=w')
playbutton=按钮(self,宽=30,高=30,image=playbtn,anchor='w')
playbutton.image=playbtn
playbutton.bind(“,self.play)
playbutton.grid(行=10,列=1,粘性=w')
pausebutton=按钮(自身,宽度=30,高度=30,图像=pausebtn,锚定=w')
pausebutton.image=pausebtn
pausebutton.bind(“,self.pause)
pausebutton.grid(行=10,列=2,粘性=w')
stopbutton=按钮(自身,宽度=30,高度=30,图像=stopbtn,锚点=w')
stopbutton.image=stopbtn
stopbutton.bind(“,self.stop)
stopbutton.grid(行=10,列=3,粘性=w')
下一个按钮=按钮(自身,宽度=30,高度=30,图像=ffbtn,锚定=w')
nextbutton.image=ffbtn
nextbutton.bind(“,self.nextsong)
网格(行=10,列=4,粘性=w')
volumeslider=Scale(self,from=0,to=1,分辨率=0.01,方向=水平,showvalue=yes,command=self.change\u vol)
volumeslider.grid(行=10,列=8,列span=3,padx=30,pady=(0,10),sticky='wse')
体积滑块组(50)
timeslider=Scale(self,from=0,to=100,分辨率=1,方向=水平,showvalue=no,command=self.cue)
timeslider.grid(行=12,列=0,列span=11,padx=30,sticky='wse')
时间滑块设置(0)
时间=标签(text=“0:00:00”)
网格(行=13,列span=11,padx=(30,0),pady=(0,30),sticky='ws')
#剩余时间=标签(text=“0:00:00”)
#剩余时间网格(行=13,列=7,列span=5,padx=(0,30),pady=(0,30),sticky='se')
#文件打开
self.directorychooser()
playlist.reverse()
对于播放列表中的项目:
self.listbox.insert(0,项)
playlist.reverse()
self.listbox.bind(“,self.selectsong)
self.listbox.bind(“,self.selectsong)
网格(行=0,列=0,列span=10,padx=55,pady=(10,0),粘性=W+N+E)
#网格重量
self.grid\u column配置(5,权重=1)
self.grid\u column配置(7,权重=1)
self.grid_rowconfigure(1,权重=1)
def prevsong(自我、事件):
全球指数
如果索引>0:
索引-=1
打印(索引)
elif索引==0:
索引=len(播放列表)-1
pygame.mixer.music.load(播放列表[索引])
self.set_timescale()
pygame.mixer.music.play()
self.get_time_passed()
self.update_timeslider()
self.update_currentsong()
def播放(自我、事件):
self.set_timescale()
pygame.mixer.music.play()
self.get_time_passed()
self.update_timeslider()
self.update_currentsong()
def暂停(自身、事件):
全局暂停
如果暂停==真:
pygame.mixer.music.unpuse()
暂停=错误
elif暂停==错误:
pygame.mixer.music.pause()
暂停=真
def nextsong(自我、事件):
全球指数
如果索引self.update_timeslider()
class Application(tkinter.Tk):
def __init__(self, parent):
...
self.after_id = None
def update_timeslider(self, _ = None):
if self.after_id is not None:
self.after_cancel(self.after_id)
self.after_id = None
time = (pygame.mixer.music.get_pos()/1000)
timeslider.set(time)
self.after_id = self.after(1000, self.update_timeslider)