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• ffmpeg - works through terminal, but not online

  13 mars 2014, par stinkysGTI

  I have installed ffmpeg onto the server using the terminal. All I need it for is to generate a thumbnail when someone uploads a video. I tested the command in Terminal, and it works great. However, when I post it to the site, nothing happens. No errors and no thumbnails are generated.

  Does anybody know why this is ? I read something about the server is running as a different user than what I log in with. I don't really understand that though, and there was no information on how to gain the proper permissions or switch to a user that has the permissions already. All I found was how to show the current user and list all users through SSH.

  When I try and do anything in Terminal using usermod, I get the following error :

  -bash: usermod: command not found

  So can I modify permissions for a user, or change the user that it's using somehow ?

• Meaning of TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/windows

  6 janvier 2016, par Nicholas Muir

  I am trying to compile Ffmpeg on Android using Cygwin and windows 7. I came across these two options for the lines below when using some tutorials to make a .sh file for the compile. I am new to this process and am trying to understand what exactly to do. Is the prebuilt/windows referring to the package to the download packages as in the options in the image below or is it referring to the operating system I am using.

  This was the first option I found :

  TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/windows-x86_64

  This is the second option I found :

  TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64 

  This is the images of the package download options available on the Ffmpeg.org site that I thought it may be reffering to.

  

  Thanks for your help.

• Amazon Alexa Audio Encoding- Few audios are not playing [closed]

  3 mars 2023, par Vijayanath Viswanathan

  I am encoding audio for Alexa audio using ffmpeg like below,

  



  ffmpeg -i  -ac 2 -codec:a libmp3lame -b:a 48k -ar 16000 


  



  The problem is few of the audios are playing properly but few are not. I am using same Project Rate and Quality (Project Rate 16000 and Quality to 48 kbps) for all audios which needs to be converted. Anybody knows is there any basic quality for source.mp3 to encode to Project Rate 16000 and Quality to 48 kbps ?

  



  The response I am getting from alexa for faulty file is, "There is a problem with skill response".