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• How to add cover art to MP4 ?

  27 décembre 2018, par Ceetch

  I’m trying to find an effective way to update the metadata for my MP4 files that I plan to put on a DLNA server. First thing, I want to have the video files have a cover art.

  I’m specifically using 640x360 JPG files to be the cover art.
  I might also want to add some other tags, like media type or update the Title. Please let me know what can be done.

  If code suggestions are available, please know I have the file name details in a variable %file% to handle things. The JPG has the same name as the source MP4 file, so it’s easy enough to get the file type and remove the extension, which is what I’ve done so far.

  My goal is to be able to simply drop the MP4 file on the following batch file and know its filename and full path, the JPG file, and attach it to the orgininal MP4 file. Apparently ffmpeg.exe won’t write to the file it pulled from, so I have it go to a temp file and then use MOVE to replace the old file with the fixed file.

  @ECHO OFF
  
  set arg=%1
  
  set file=%arg:~1,-5%
  
  ffmpeg -i "%file%.mp4" -i "%file%.jpg" -acodec copy -vcodec copy -map 0 -map 1:0 "%file%WIP.mp4"
  
  move /Y "%file%WIP.mp4" "%file".mp4"

  This code did not seem to work. It doesn’t show up in Windows as the cover art, so I’d say it failed.

• How to fix "FFmpeg command cannot exec when multiple mp3 file to process into one" on server side

  7 février 2019, par Harshil Dholakiya

  I am using FFmpeg in my php yii2 project. FFmpeg working fine in my project but one major problem is execute FFmpeg command with multiple input file. When i try to use single file to process in ffmpeg command then it works. so, how can i fix this problem ? I am using hostGator shared plan for my project. Please, help if is there any process limit or file open limit on server that i don’t know.

  I have tried using this command in php exec() :

  ffmpeg -y -i /uploads/ac/10122018-09351115-a94rlvlawvikskb4vdrca.mp3 -i /uploads/ac/09012019-035928988-assknyrk8oujccwevir7.mp3 -f lavfi -i anullsrc -filter_complex "[2]atrim=duration=3[g0];[2]atrim=duration=1[g1];[2]atrim=duration=5[g2];[g0][0][g1][1][g2]concat=n=5:v=0:a=1" /uploads/jm/concat.mp3 2>&1

  Above command works local side but not working on server side.

  output on server side with error code 1:
  
  Press [q] to stop, [?] for help
  
  pthread_create failed: Resource temporarily unavailable. Try to increase `ulimit -v` or decrease `ulimit -s`.
  
  Conversion failed!

• How to fix "FFmpeg command cannot work when multiple mp3 file to process into one" on server side

  9 février 2019, par Harshil Dholakiya

  I am using FFmpeg in my php yii2 project. FFmpeg working fine in my project but one major problem is execute FFmpeg command with multiple input file. When i try to use single file to process in ffmpeg command then it works. so, how can i fix this problem ? I am using hostGator shared plan for my project. Please, help if is there any process limit or file open limit on server that i don’t know.

  I have tried using this command in php exec() :

  ffmpeg -y -i /uploads/ac/10122018-09351115-a94rlvlawvikskb4vdrca.mp3 -i /uploads/ac/09012019-035928988-assknyrk8oujccwevir7.mp3 -f lavfi -i anullsrc -filter_complex "[2]atrim=duration=3[g0];[2]atrim=duration=1[g1];[2]atrim=duration=5[g2];[g0][0][g1][1][g2]concat=n=5:v=0:a=1" /uploads/jm/concat.mp3 2>&1

  Above command works local side but not working on server side.

  output on server side with error code 1:
  
  Press [q] to stop, [?] for help
  
  pthread_create failed: Resource temporarily unavailable. Try to increase `ulimit -v` or decrease `ulimit -s`.
  
  Conversion failed!

  ---

  ulimit -v
  
  unlimited
  
  
  
  ulimit -s
  
  15240