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• avfilter : fix AVFilterPad video only comment.

  26 novembre 2011, par Clément Bœsch

  avfilter : fix AVFilterPad video only comment.

• Which image processing library should I use to create a video slideshow ?

  26 novembre 2011, par David Shellabarger

  It looks like both FFmpeg and the MovieMaker library in Processing will create a slideshow movie from an array of images. Which is best ? Is there a better option ?

  I need to output a video to be uploaded to a 3rd party website so I'd like to do it on device and it needs to be a real video not just a gallery slideshow.

• FFMpeg doesn't convert the video, just creates a thumb... It was working now not ?

  20 septembre 2011, par Matt Reid

  Theres a site im making for someone where it uses FFMpeg to convert the files to MP4's... I set it up and got the converter working... but now a week or so later ive came to use it and it doesn't convert the video, it runs the create thumbnail exec() but the video exec() doesn't run. It returns a 1 status like its gone through but there is no converted file and the browser quickly processes the convert file rather than lagging for a few seconds like it did when it was working...

  Any ideas ?

   <?php
  
  
  
   //Thumbnail VARS
  
   $tn_size = '480x360';
  
   $tn_interval = 3;
  
   $tn_type = 'mjpeg';
  
  
  
   //Video VARS
  
   $vi_size = '480x360';
  
   $vi_fileto = 'mp4';
  
  
  
   //Default Setup
  
   $id = $_GET['ListingID'];
  
   $ext = $_GET['Ext'];
  
   $temp_url = '/var/www/files/videos-tmp/'.$id.".".$ext;
  
   $new_url = '/var/www/files/videos/'.$id.".mp4";
  
   $new_url_thumb = '/var/www/files/videos-thumb/'.$id.".jpg";
  
  
  
   //echo $new_url."<br />".$id." ".$ext. " " .$temp_url;
  
  
  
   //Do
  
   if(file_exists($temp_url)) {
  
  @unlink($new_url);
  
  //echo "/usr/local/bin/ffmpeg -i {$temp_url} -f {$vi_fileto} -r 25 -ar 22050 -ab 48000      -ac 1 -s {$vi_size} {$new_url}";
  
  exec("/usr/local/bin/ffmpeg -i {$temp_url} -deinterlace -an -ss $tn_interval -f {$tn_type} -t 1 -r 1 -y -s $tn_size &#39;{$new_url_thumb}&#39;"); //make thumbnai
  
  exec("/usr/local/bin/ffmpeg -i {$temp_url} -f {$vi_fileto} -r 25 -ar 22050 -ab 48000 -ac 1 -s {$vi_size} {$new_url}",$output,$status); //convert video
  
  
  
  //@unlink($temp_url);
  
  if(isset($_GET[&#39;UsrOvr&#39;])) { } else {
  
  echo "<b>Convert Complete</b>";
  
  echo "<br /><br />Return to listings <a href="http://stackoverflow.com/feeds/tag/&#39;admin_listings.php&#39;">page</a>.";
  
  exit;
  
  }
  
   } else {
  
  die("The video selected does not exist!");
  
   }
  
   ?>