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• Ffmpeg converts video of double size of original video with second part without audio

  21 janvier 2020, par mridul4c

  I am converting some videos with below command in ffmpeg

  ffmpeg -y -i source.mp4 -c:a libfdk_aac -ac 2 -ab 128k -c:v libx264 -x264opts keyint=24:min-keyint=24:no-scenecut -crf 18 -b:v 4000k -maxrate 4000k -bufsize 4000k -vf "scale=-1:1080" destination_1080.mp4

  But in some cases the output video is exactly double size of the original and the second part is without audio. Please help.

• PHP : Video file is located in s3, need to find duration a video using getid3 php module

  14 mars 2019, par kaliyappan

      $request = $s3Client->createPresignedRequest($cmd, '+20 minutes');
  
      echo $presignedUrl = (string)$request->getUri();
  
  
  
      echo "\n";
  
      //$mp3File = '/home/kaliyappan/test-HD.mov';
  
      $getId3 = new GetId3();
  
      $audio = $getId3->analyze($presignedUrl);
  
      //echo '<pre>';
  
      print_r($audio);
  
      exit;
  
  </pre>

  I have a video file located in s3, using PHP "phansys/getid3" : "^2.1@dev" module need to calculate duration. Created pre-signed URL try to access that file but it returns "could not open that file".

  [GETID3_VERSION] => 1.9.4-20120530
  
  [error] => Array
  
      (
  
          [0] => Could not open "

  Please suggest any other way to do this, but if I directly give video file path which is in my server that’s work perfectly.

• How to overlay video on video with FFMPEG

  28 septembre 2021, par Yogas

  ihave 2 input video.mp4 (with audio) and notif.mov (with audio). I want to overlay notif.mov on video.mp4. I tried this code :

  


  ffmpeg -y -i video.mp4 -i "notif.mov" -filter_complex "[0:v][1:v]overlay=0:0" output.mp4

  


  both videos playing simultaneously, but sound missing from second input (notif.mov)

  


  Any tips ? Thank you !