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• ffmpeg inside chrome extansion

  16 août 2021, par Denis Dombrovski

  hello I am trying to use the ffmpegwasm/ffmpeg.wasm library inside chrome extension
the library is loaded inside react component that is located inside an iframe

  


  the problem is when I try to load I got an error that I cannot download the core files

  


  I tried to use the example library for chrome extension but also got an error "Uncaught (in promise) ReferenceError : SharedArrayBuffer is not defined error. "

  


  the files are web_accessible_resources inside the manifest

  


  I am using manifest version 3

  


• Convert video in background

  27 novembre 2016, par RoiEX

  I found this question which is the same question I have, but with the small but important difference, that I’m using Windows so cronjobs are no thing.
  I basically want to convert a video in PHP, but don’t want the PHP script to hang up until the conversion is finished and instead return immediately.

  My current code :

  if ($videoext !== "mp4") {
  
      exec ( "./ffmpeg.exe -i " . $inputFile. " " . $outputFile/*without extension*/ . ".mp4" );//convert to useable format
  
      if (! in_array ( $videoext, $GLOBALS ['fileextensions'] )) {//Unsupported extension
  
          unlink ( $inputFile);//delete if not useful
  
      }
  
  }

  I’m using PHP7 with XAMPP for windows
  Any help is appreciated

  EDIT : I know that pthreads exist, but I’m not sure if they do what I’d expect them to do and too stupid to get them working on my XAMPP installation

• Microsoft SmoothStreaming video on Apache ?

  2 juin 2014, par earizon

  I created what I consider to be a valid smooth streaming output using ffmpeg with the smooth streaming muxer and also alternatively through the ismindex utility (included in ffmpeg sources).

  I’m trying to use an standard web server like Apache instead of IIS and its S.S. extensions. The output is segmented content (each fragment is split to is own file) so theoretically this is possible. Now comes my first problem where I’m stuck.

  How can I test the result using for example a Window Phone 8 ?. I tried to open the index.ism url from I.Explorer, but the extension ism and the mime-type (application/vnd.ms-sstr+xml) is not recognized and I.Explorer just dump the xml instead of opening the media player.
  I was waiting for a similar behaviour to that of Android/iOS when the (HLS) index.m3u8 URL is clicked. In this case the browser/OS detects the extension and open the player.

  Thanks in advance for any help, hint or link !