I wanted to make a music player, and I'm playing the audio files via the vlc module. I used this code to play the file:
import vlc
p = vlc.MediaPlayer("music/song.mp3")
p.play()
in the python shell, it works fine and plays the file. if I try to use a file and run it, it just exits without playing anything.
play() starts playing music in separated thread so in main thread you can run other code - ie. you can create GUI with buttons to control music, or display animation for this music. But if you don't run other code - like input() - then it ends script and it ends Python and it stops thread with music.
You have to run some code in main thread to keep running Python and then thread with play music.
It can be even while True: pass instead of input().
In example I use p.is_playing() to run while-loop until it ends music.
import vlc
import time
p = vlc.MediaPlayer("music/song.mp3")
p.play()
print('is_playing:', p.is_playing()) # 0 = False
time.sleep(0.5) # sleep because it needs time to start playing
print('is_playing:', p.is_playing()) # 1 = True
while p.is_playing():
time.sleep(0.5) # sleep to use less CPU
In Python shell you run Python all time so it can run thread with music all time.
EDIT:
Example which uses tkinter to display window with button Exit. Because windows is displayed all time so separated thread can play music all time.
import vlc
import tkinter as tk
p = vlc.MediaPlayer("music/song.mp3")
p.play()
def on_click():
p.stop() # stop music
root.destroy() # close tkinter window
root = tk.Tk()
button = tk.Button(root, text="Exit", command=on_click)
button.pack()
root.mainloop()
Using tkinter you can build player.
vlc has few more complex examples how to use vlc with different GUIs
https://git.videolan.org/?p=vlc/bindings/python.git;a=tree;f=examples;hb=HEAD
Function is_playing() I found in documentation for MediaPlayer
python script.pyin console/terminal to see if it displays error message.shelland other Python to run script - and second Python may not have installedvlcplay()starts playing music in separated thread so in main thread you can run other code. But if you don't run other code - likeinput()- then it ends script (and ends Python) and it stops thread with music. You have to run some code in main thread - to keep running Python and thread with music. It can bewhile True: passinstead ofinput(). Maybe module has function to check if music was finished - and then you could use it to exitwhile True.