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• How to play, pause and stop a video in the buttons of GUI created in Python ?

  24 juillet 2016, par Purvaj

  I have created a GUI in Python. In the GUI I have three buttons, Play, Pause and Stop. On the click of the respective buttons, i want the respective tasks to be done, that is, play, pause and stop a video. Any body have any idea please help me. This is what i have tried to do so far :

  from tkinter import *
  
  import subprocess
  
  import os
  
  import vlc
  
  
  
  root=Tk()
  
  root.title("ARP")
  
  root.geometry("200x100")
  
  
  
  
  
  def play():
  
  left_video = subprocess.Popen(["C:/Program Files (x86)/VideoLAN/VLC/vlc.exe","\\C:\FFmpegTool\\bin\\samplevideo.mp4"])
  
  
  
  right_video = subprocess.Popen(["C:/Program Files (x86)/VideoLAN/VLC/vlc.exe","\\C:\FFmpegTool\\bin\\rotate1.mp4"])
  
  
  
  
  
  app=Frame(root)
  
  app.grid()
  
  button1=Button(app, text="Play", command=play)
  
  button1.grid()
  
  
  
  button2=Button(app)
  
  button2.grid()
  
  button2.configure(text="Pause")
  
  
  
  button3=Button(app)
  
  button3.grid()
  
  button3.configure(text="Stop")
  
  
  
  root.mainloop()

  Please help me.

• Convert multible files with threading ffmpeg in Python

  21 mars 2020, par Florian

  I’m trying to convert mp3 files to m4a. The files are in different folders like MainFolder(folder1, folder2,...)

  It works already but is very slow because it is converting file by file.

  import os
  
  import sys
  
  
  
  path = "/Users/flo/Desktop/test"
  
  
  
  for root, dir, files in os.walk(path):
  
      dir.sort()
  
      files.sort()
  
  
  
      for file in files:
  
          if file.find('.mp3') != -1:
  
              os.system('ffmpeg -i ' +'"' +root +'/' +file +'" ' +'-c:v copy -c:a libfdk_aac -b:a 300k '  +'"' +root +'/' +file[:-4] +'.m4b' +'"')

  Now I would like to implement multitasking.

  import os
  
  import sys
  
  import threading
  
  import queue
  
  
  
  path = "/Users/flo/Desktop/test"
  
  def convert(file):
  
      if file.find('.mp3') != -1:
  
          os.system('ffmpeg -i ' +'"' +root +'/' +file +'" ' +'-c:v copy -c:a libfdk_aac -b:a 300k '  +'"' +root +'/' +file[:-4] +'.m4b' +'"')
  
  
  
  for root, dir, files in os.walk(path):
  
      dir.sort()
  
      files.sort()
  
  
  
      q = queue.Queue
  
      threads = [threading.Thread(target=convert(file)) for file in files]
  
      for t in threads:
  
          t.start()
  
  
  
      for file in files:
  
          q.put(file)
  
  
  
      for file in files:
  
          q.put('stop')
  
  
  
      q.join()
  
  
  
      for t in threads:
  
          t.join()

  But I got the error message :

  File "/var/folders/r6/z5f_jcf139b8fh2n8m4lznlm0000gn/T/atom_script_tempfiles/30127c90-6b13-11ea-af8a-432a34b059ac", line 31
  
      threads = [threading.Thread(target=convert(file)) for file in files]
  
      ^
  
  IndentationError: unexpected indent
  
  [Finished in 0.028s]

• ffmpeg processes pile up until they crash

  9 mars 2021, par Ultra Cookie

  I am coding a bot which streams music using ytdl and @discordjs/opus. It uses ffmpeg for that and when I end the dispatcher the process doesn't get killed. After a while this piles up and the process list looks like this :

  


  0     0 27864 27863  20   0 120348 14380 sock_a Sl+  pts/2      0:01 /root/bot/node_modules/ffmpeg-static/ffmpeg -i - -analyzeduration 0 -loglevel 0 -f s16le -ar 48000 -ac 2 pipe:1
0     0 27887     1  20   0 120104 13496 sock_a Sl+  pts/2      0:00 /root/bot/node_modules/ffmpeg-static/ffmpeg -i - -analyzeduration 0 -loglevel 0 -f s16le -ar 48000 -ac 2 pipe:1
0     0 27893     1  20   0 120040 13676 sock_a Sl+  pts/2      0:00 /root/bot/node_modules/ffmpeg-static/ffmpeg -i - -analyzeduration 0 -loglevel 0 -f s16le -ar 48000 -ac 2 pipe:1
0     0 27900     1  20   0 120048 13676 sock_a Sl+  pts/2      0:00 /root/bot/node_modules/ffmpeg-static/ffmpeg -i - -analyzeduration 0 -loglevel 0 -f s16le -ar 48000 -ac 2 pipe:1
0     0 27906     1  20   0 120048 13676 sock_a Sl+  pts/2      0:00 /root/bot/node_modules/ffmpeg-static/ffmpeg -i - -analyzeduration 0 -loglevel 0 -f s16le -ar 48000 -ac 2 pipe:1
0     0 27913     1  20   0 103740 13792 sock_a S+   pts/2      0:00 /root/bot/node_modules/ffmpeg-static/ffmpeg -i - -analyzeduration 0 -loglevel 0 -f s16le -ar 48000 -ac 2 pipe:1



  


  This is just a preview the actual list is much longer... I don't know how I can prevent this.

  


  Code that might be helpful :

  


  Play:
connection.play(ytdl(song.url, { quality: "highestaudio", highWaterMark: 1024 * 1024 * 30, type: "opus" })).on("finish", () => {play next song});

Skip:
connection.dispatcher.end();