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• How can I save the downloaded and converted audios to a specific folder

  19 décembre 2022, par Retire Young

  I'm trying to download Videos from a specific playlist and converting it to a m4a file for further downloading. The process works perfectly but the files are being saved in the same folder where my Phyton script is located. I choose a specific Output Folder but the files don't appear there.
Any ways to save the files in the desired folder ?

  


  An error message reads as follows : "input.mp4: No such file or directory"
In my Code block, I censored the playlist link and the user name on the path. Just imagine a working playlist link instead. Thanks in advance !

  


  import os
import subprocess


  


  Replace with the URL of the YouTube playlist

  


  playlist_url = "PLAYLISTLINK"

  


  Set the output directory for the downloaded files

  


  output_dir = "/Users/USER/Documents/VideoBot/Output"

  


  Use youtube-dl to download the latest video in the playlist

  


  subprocess.run(["youtube-dl", "-f", "bestaudio[ext=m4a]", "--playlist-start", "1", "--playlist-end", "1", playlist_url])

  


  Extract the audio from the downloaded video using ffmpeg

  


  subprocess.run(["ffmpeg", "-i", "input.mp4", "-vn", "-acodec", "copy", "output.m4a"])

  


  Move the extracted audio file to the output directory

  


  os.rename("output.m4a", os.path.join(output_dir, "output.m4a"))

  


• mjpegdec : parse JPS extension and save relevant stereo3d information

  29 janvier 2014, par Kirill Gavrilov

  mjpegdec : parse JPS extension and save relevant stereo3d information
  Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
  

  • [DH] libavcodec/mjpegdec.c
  • [DH] libavcodec/mjpegdec.h

• avformat/hlsenc : save the EXT-X-DISCONTINUITY from old list

  7 décembre 2016, par Steven Liu

  avformat/hlsenc : save the EXT-X-DISCONTINUITY from old list
  when use fix ticket 2nd problem.
  command line test step :
  
  rm -rf output* ;./ffmpeg  -i /Movies/objectC/facebook.mp4 -an -c:v copy
  
   f hls -hls_time 4 -hls_list_size 5 -hls_flags +delete_segments
  
   hls_flags +append_list -hls_flags +omit_endlist -hls_flags
  
  +discont_start -t 50 output.m3u8
  
  ./ffmpeg -i /Movies/objectC/facebook.mp4 -an -c:v libx264 -g 4 -f hls
  
   hls_time 4 -hls_list_size 5 -hls_flags +delete_segments -hls_flags
  
  +append_list -hls_flags +omit_endlist -hls_flags +discont_start -t 5
  
  output.m3u8
  
  ./ffmpeg -i /Movies/objectC/facebook.mp4 -an -c:v libx264 -g 4 -f hls
  
   hls_time 4 -hls_list_size 5 -hls_flags +delete_segments -hls_flags
  
  +append_list -hls_flags +omit_endlist -hls_flags +discont_start -t 5
  
  output.m3u8
  result :
  
   #EXTM3U
  
   #EXT-X-VERSION:3
  
   #EXT-X-TARGETDURATION:5
  
   #EXT-X-MEDIA-SEQUENCE:6
  
   #EXTINF:4.120000,
  
   output6.ts
  
   #EXT-X-DISCONTINUITY
  
   #EXTINF:4.000000,
  
   output7.ts
  
   #EXTINF:0.960000,
  
   output8.ts
  
   #EXT-X-DISCONTINUITY
  
   #EXTINF:4.000000,
  
   output9.ts
  
   #EXTINF:0.960000,
  
   output10.ts
  Signed-off-by : Steven Liu <lq@chinaffmpeg.org>
  

  • [DH] libavformat/hlsenc.c