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• ffmpeg - scrolling text with specified boundaries and cut video when text ends

  19 février 2017, par Elma Paul

  Having this working ffmpeg filter with overlayed scrolling text
  

  f -i text_bg.mp4 -vf "drawtext=enable:fontsize=200:fontcolor=White:fontfile='ARIALN.TTF':text='asdfhlajsdh LKFJAHSDFH':x=-(mod(8*n\,w+tw)-tw):y=h/2-th/2" outtt.mp4 -y

  I have two questions :
  1.) How can I set specified boundaries for drawtext ? Just fix positions where the text will dissapear. Like here in picture
  scrolling text with specified boundaries example
  2.) How is it possible to cut the video(specify time) according to the text length.Meaning that the video will finish after ends the text line +plus one second ?

• PHP serving two different video files

  6 septembre 2016, par inan

  I’m currently serving with PHP .ts segments while FFmpeg is running.
  My idea was to show during the stream my own advert. So I decided to add between the .ts segments my own video file.

  The problem is, if the advertising file is not existing everything is working fine until the file for my advert exists. The script continues but is not showing the advert.

  I tried to serve just only the advert file and it’s working. So I can assume, everything with the file is alright.

  Is there a limitation, to serve just only one file extension or container etc ?

  I’m watching the streams with VLC and Enigma2

  A part of my code :

  while(streamIsRunning()){
  
  // Serving .ts segments
  
  while (!feof($file_handler) && ClientConnected($clientpid)) {
  
      $response = stream_get_line($file_handler, 4096);
  
      echo $response;
  
      flush();
  
  }
  
  
  
  // Serve Advert if exists
  
  if (file_exists($myAdvert)) {
  
      $file_handler = fopen($myAdvert, "rb") or exit ("Stream Not Working");
  
      while (!feof($file_handler) && ClientConnected($clientpid)) {
  
          $response = stream_get_line($file_handler, 4096);
  
          echo $response;
  
          flush();
  
     }
  
  }
  
  }

• FFmpeg : how to make video out of slides and audio

  17 juillet 2014, par Muhammad Umer

  So i have several images some png and some jpgs. And i have mp3 audio. I want to make a video file don’t care what format.

  So i want either :

  A video made up of xyz size meaning images are centered and cropped if they go beyond dimensions coupled with audio in mp3 format..

  or just one image centered or and cropped, still image, video with audio.

  I have tried copying and pasting things and even modifying them after reading documents but in the end i got a blank video with audio and huge file that took forever to complete.

  I have windows 7.