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• Batch file to Drag and Drop files to convert via FFMPEG

  17 août 2022, par james_castrello

  this is probably my first time ever posting on stack overflow.

  


  I have successfully installed and tested ffmpeg.

  


  Now I want to create a batch file where I can drag and drop my .mp4 or .mkv files to convert to .mp3.

  


  I have no experience with ffmpeg or what parameters to use (the test was a copy/paste with the correct file names filled in) and I haven't touched batch scripting in a long time.

  


  Here is the batch script I found online that kind of works but gives me issues.

  


  @echo off
Pushd "Filepath"
for %%a in (*) do (
  ffmpeg -i "%%~fa" "%%~na.mp3"
)
pause;


  


  Batch file is stored on usb drive, along with the shortcut to it (also stored in same folder). The reason for the shortcut is to be able to run the batch as admin once a file is dropped in. The mp4 file is also stored on the same usb in the same folder.

  


  Things are starting to get kind of complicated, and a little above my pay grade.

  


  If anybody has solutions please let me know, maybe the batch script I stole off the internet is wrong.

  


• ffmpeg reduce video size with least quality loss

  13 janvier 2017, par MattJ

  I am trying to reduce video size(as Mb) for storage saving since i will store them online. Could someone help me with the recommended parameters because as much as I have tried the video quality gets a big hit (clear squares). Current parameters size (480x ?) the length is variable, using mpeg4 videoCodec, 30 Fps and libmp3lame audio codec and then add native.
  Original :
  

  What I get :

  

  Ps. I am using node.js and fluent-ffmpeg, but that should not matter much. Uses local ffmpeg.

• Python ffmpeg not working on heroku, no error but it just kind off freezes at that line

  17 octobre 2020, par MidasN74

  When I run the bot offline it just works but when i run it on the heroku server it doesn't. it prints the time right at the first time, then the bot connects to the channel and then it just freezes, i get no errors in the heroku logs, the bot just stays online. I've added the ffmpeg buildpack into the buildpacks in heroku and added ffmpeg to the requirements.txt. the time is also correct (i defined the time earlier using an other package) so it can asses the sound file but it just sort of freezes at the ffmep line and doesn't play the sound, and then doesn't print the time and doesn't disconnect.

  


  voice = await channel.connect()
print(time)
voice.play(discord.FFmpegPCMAudio(f'sounds/{arg}.mp3'))
print(time)
sleep(time)
await voice.disconnect()