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• running ffmpeg with nvenc inside nvidia docker

  6 décembre 2020, par Gofrane Haj Ahmed

  I installed Nvidia Video Codec SDK 8.2 + ffmpeg inside a docker container by using nvidia-docker but when I run this

  



  ffmpeg -f rawvideo -s:v 1920x1080 -r 30 -pix_fmt yuv420p -i HeavyHand_1080p.yuv -c:v h264_nvenc -preset slow -cq 10 -bf 2 -g 150 output.mp4


  



  I got this error

  



  


  Cannot load libnvidia-encode.so.1

  
 


  The minimum required Nvidia driver for nvenc is 390.25 or newer
 Error initializing output stream 0:0 — Error while opening encoder
 for output stream #0:0 - maybe incorrect parameters such as bit_rate,
 rate, width or height

  


  



  Otherwise nvidia-smi displays this

  



  

  



  this gpu used is GeForce 1050 Ti and the cuda version is 9.0

  


• Running xdotool movewindow from a python script

  19 août 2014, par mr mojo risin

  I am writing a python script to run a movie using ffplay, and then move the ffplay window to a specific location on the screen.

  The script I am basing this one is located here - http://code.activestate.com/recipes/577376-simple-way-to-execute-multiple-process-in-parallel/

  The only difference is I am changing the commands array at the bottom to

  commands = [
  
      ['xdotool', 'search', '--name', 'Goodfellas', 'windowmove', '480', '200'],
  
      ['ffplay', '-x', '320', '-y', '180', '-autoexit', '/data/media/Vidoes/Movies/Goodfellas.mp4']
  
  ]

  The video plays fine, but the window will not move position

  To test if the script is actually cycling through all the commands I added the command

  ['xdotool', 'mousemove', '180', '180'],

  And the mouse will indeed move to location 180, 180 on my screen

  Perhaps maybe ffplay takes a split second to load and there is still no screen called Goodfellas when the movewindow command is executed

• MySql stops running in combination with Laravel Queue, Supervisor, and FFMPEg

  13 juin 2014, par egekhter

  After setting up queue listener to process uploaded videos with FFMPEG, I’ve come back to the server several times to find that MySql has stopped running. I checked drive space and it’s about 77% used (43G out of 60G).

  Here’s my code in case it’s useful :

  public function fire($job, $data)
  
  {
  
  $data = json_decode($data['transcoding_message'], true);
  
  $output_directory = '/home/ubuntu/transcodes/';
  
  $amazon_array = array();
  
  
  
  $s3 = AWS::get('s3');
  
  
  
  
  
      //execute main transcoding thread
  
  
  
      $cmd = 'sudo ffmpeg -i ' . $data['temp_file_url'] . ' -y -vcodec libx264 -tune zerolatency -movflags faststart -crf 20 -profile:v main -level:v 3.1 -acodec libfdk_aac -b:a 256k ' . $output_directory. $data['temp_file_key'] . '_HQ.mp4 -vcodec libx264 -s ' . $sq_width . 'x' . $sq_height . ' -tune zerolatency -movflags faststart -crf 25 -profile:v main -level:v 3.1 -acodec libfdk_aac -b:a 256k ' . $output_directory. $data['temp_file_key'] . '_SQ.mp4 -ss ' . $seek_half . ' -f image2 -vf scale=iw/2:-1 -vframes 1 ' . $output_directory. $data['temp_file_key'] . '_thumb.jpg';
  
  
  
      exec($cmd." 2>&1", $out, $ret);
  
  
  
  
  
      if ($ret)
  
      {
  
  
  
          Log::error($cmd);
  
          echo 'Processing error' . PHP_EOL;
  
          //there was a problem
  
          return;
  
      }
  
  
  
      else
  
      {
  
          //setup file urls
  
      echo 'about to move files';
  
  
  
      $hq_url = $this->bucket_root . $data['user_id'] . '/' . $data['temp_file_key'] . '_HQ.mp4';
  
      $sq_url = $this->bucket_root . $data['user_id'] . '/' . $data['temp_file_key'] . '_SQ.mp4';;
  
      $thumb_url = $this->bucket_root . $data['user_id'] . '/' . $data['temp_file_key'] . '_thumb.jpg';
  
  
  
      $amazon_array['video_hq_url'] = $data['temp_file_key'] . '_HQ.mp4';
  
      $amazon_array['video_sq_url'] = $data['temp_file_key'] . '_SQ.mp4';
  
      $amazon_array['video_thumb_url'] = $data['temp_file_key'] . '_thumb.jpg';
  
  
  
              //copy from temp to permanent
  
  
  
      foreach ($amazon_array as $k => $f)
  
      {
  
          $uploader = UploadBuilder::newInstance()
  
              ->setClient($s3)
  
              ->setSource($output_directory.$f)
  
              ->setBucket($this->bucket)
  
              ->setKey('users/' . $data['user_id'] . '/' . $f)
  
              ->setConcurrency(10)
  
              ->setOption('ACL', 'public-read')
  
              ->build();
  
  
  
          $uploader->getEventDispatcher()->addListener(
  
              'multipart_upload.after_part_upload',
  
              function($event) use ($f) {
  
                  // Do whatever you want
  
              }
  
          );
  
  
  
          try {
  
              $uploader->upload();
  
              echo "{$k} => Upload complete.\n" . PHP_EOL;
  
  
  
              DB::table('items')->where('id', $data['item_id'])->update(array($k => $this->bucket_root. $data['user_id'] . '/' .$f, 'deleted_at' => NULL));
  
              //delete local
  
  
  
              unlink($output_directory.$f);
  
  
  
              unset($uploader);
  
          } catch (MultipartUploadException $e) {
  
              $uploader->abort();
  
              echo "{$k} => Upload failed.\n" . PHP_EOL;
  
              continue;
  
          }
  
      }
  
  
  
          //write to database
  
  
  
              DB::table('archives_items')->where('id', $data['archive_item_id'])->update(array('deleted_at' => NULL));
  
              DB::connection('mysql3')->table('video_processing')->where('id', $data['id'])->update(array('finished_processing' => 1));
  
  
  
          //delete files
  
  
  
          //delete s3
  
          $s3->deleteObject(
  
              array(
  
                  'Bucket' => $this->temp_bucket,
  
                  'Key' => $data['file_name']
  
              )
  
          );
  
          echo $data['temp_file_url'] . '=>' . " deleted from temp bucket.\n" . PHP_EOL;
  
          DB::connection('mysql3')->table('video_processing')->where('id', $data['id'])->update(array('deleted_at' => \Carbon\Carbon::now()));
  
  
  
      }
  
          $job->delete();
  
  
  
          // end of processing uploaded video
  
          }
  
  
  
  
  
      else
  
      {
  
          return;
  
      }

  Any ideas as to why MySql would die like that ?

  ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)

  Edit : I wanted to add that the php artisan queue:listen command is being triggered via Supervisor and that I have 4 running concurrent processes.