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• set permissions (PHP5) shell_exec("wine ffmpeg.exe") in ubuntu version 14

  22 mars 2019, par user235423423424

  How to start wine in php shell_exec("wine ffmpeg.exe"); ?

  (ubuntu version 14 server)
  

  install

  sudo apt-get install wine -y

  php5 code :

  $cmd = "/usr/bin/wine /var/www/html/ffmpeg.exe upload/image.jpg"
  
  shell_exec($cmd);

  ffmpeg.exe location :
  /var/www/html/

  wine is not starting ?

  Linux version of FFmpeg ?, how to run PHP shell_exec() ?

  Server domain is not on shared hosting

  permissions on www-data could be problem ?

  command ffmpeg successfull in terminal !
  

  there is a permission issue, just tested and command is correct.
  either ffmpeg.exe or wine have incorrect permissions.

  Command (ffmpeg.exe)

  chmod 755 ffmpeg.exe
  
  chown www-data ffmpeg.exe

  Command (/usr/bin/wine)

  chmod 755 wine
  
  chown www-data wine

  sudo service apache2 restart

  still not working, could be more ’wine’ files to apply permissions to.
  I’m not able to output any error, and command to ffmpeg is correct from terminal the problem must be permissions

• ffmpeg concat loses audio after first clip only in browser, audio plays good on player like vlc etc

  1er octobre 2019, par Rajan Tpss

  i am trying to combine or concatenate audio file one after other like after concatenation of two audio files, both file will downloaded as a single file wheres audio will be played in a queue one after other.

  after some research i found the package FFmpeg i.e dealt with mp3,mp4 etc files.i tried to run FFmpeg commands in terminal but file is created and playing good on VLC but not playing accurately in browser.

  Some Commands tried by me in terminal are as follow :-

  ffmpeg -i "concat:a.mp3|b.mp3" -acodec copy output.mp3

  ffmpeg -f concat -i files.txt -c copy output.mp3

  ffmpeg -i a.mp3 -i b.mp3 -filter_complex "[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat=n=2:v=0:a=1 [v] [a]" -map "[v]" -map "[a]" output.mp3

  ffmpeg -y -i "concat:a.mp3|b.mp3" -ar 22050 -ab 512 -b 800k -f mp4 -s 514*362 -strict -2 -c:a aac "OUTPUT.mp4"

  Library Link followed by me :- https://ffmpeg.org/ffmpeg-filters.html

  Note :- I am using Ubuntu based system

  file is created successfully from above commands and playing well on VLC player.

  where in browser first clip is playing well but after first clip browser stops. somehow second audio clip is not playing in browser. i don’t know why may be there is same kind of pattern error.

  if anyone can help, i shall be very thankful to him/her.

  Thanks

• on PKG_CONFIG_PATH setting

  25 novembre 2016, par Kindermann

  I’ve installed ffmpeg on Ubuntu 16.04. Each time when I wanted to use pkg_config_path in a new terminal, I always had to type the following :

  export PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig"

  Is there a way where I can permanently set this path ?