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• PHP - Upload video convert mp4 and upload to Amazon S3

  31 octobre 2019, par Kadir Geçit

  I’m using amazon s3 as video storage for my website. I’m having problems for some videos. black screen or sound problems etc.

  I want to convert the video to mp4 format after uploading the video to my server and then upload it to amazon. Is it possible with FFMPEG ?

  I’m using this code for uploading files now :

  $file1 = $_FILES['file']['name'];
  
  $videoFileType = strtolower(pathinfo($file1,PATHINFO_EXTENSION));
  
  $file_name = sprintf('%s_%s', uniqid(),uniqid().".".$videoFileType);
  
  $temp_file_location = $_FILES["file"]["tmp_name"];
  
  
  
  require 'application/libraries/Amazon/aws-autoloader.php';
  
          $s3 = new Aws\S3\S3Client([
  
              'region'  => $amazon_region,
  
              'version' => 'latest',
  
              'credentials' => [
  
              'key'    => $amazon_key,
  
              'secret' => $amazon_secret,
  
              ]
  
          ]);     
  
  
  
          $result = $s3->putObject([
  
              'Bucket' => $amazon_bucket,
  
              'Key'    => $file_name,
  
              'SourceFile' => $temp_file_location,
  
              'ACL'    => 'public-read',
  
              'CacheControl' => 'max-age=3153600',
  
          ]);
  
              $filepath = $result['ObjectURL'] . PHP_EOL;
  
  
  
              echo json_encode([
  
                  'status' => 'ok',
  
                  'path' => $filepath
  
  
  
              ]);

• Batch extract and batch inject Dolby Vision metadata

  6 décembre 2023, par Amanda

  newbie here.

  


  After having successfully used the batch commands to extract and inject HDR10+ json metadata through hdr10plus_tool found on GitHub, I'm now trying to figure out how to correctly set up the same actions for the Dolby Vision, via dovi_tool (still the one you can find on GitHub, by QuietVoid).

  


  I'm first of all using this command to export DoVi data via json files from all of my mkv's :

  


  for file in *.mkv; do     [ -e "$file" ] && ffmpeg -i "$file" -map 0:v:0 -c copy -f hevc - | /Users/myself/myfolder/dovi_tool extract-rpu -o "${file%.mkv}_metadata.json" - done

  


  ...then, am using this other one for batch injecting those metadata :

  


  for hevc_file in "/Volumes/myhdd/myfolder"/*.h265; doif [ -e "$hevc_file" ]; thendirectory=$(dirname "$hevc_file")file_name=$(basename "$hevc_file" .h265)json_file="$directory/$file_name.json"

  


  `if [ -f "$json_file" ] ; then
new_mkv_file="$directory/$file_name_dovi.mkv"

  


      /Users/myself/myfolder/dovi_tool inject-rpu -i "$hevc_file" --rpu-in "$json_file" -o "$new_mkv_file"
else
    echo "File JSON not found for $hevc_file"
fi


  


  fi`

  


  done

  


  ...this last command, apparently makes what it is supposed to do, I can see the percentage injection status until it's done, for every file. But then, when I check the mkv created, I see no Dolby Vision in it.
I am wondering where am I mistaken.

  


  Maybe in the first code for extraction, I am using a wrong command that generates broken DoVi data ? Should I have extracted via xml rather than json ?
Please give me some hints (I am using a mac, so I don't have the same gui people uses on windows), and also, I would like to use this method via terminal in order to be able to work in batch.

  


  I would like to batch export DoVi metadata from a folder with the bdremux mkv's, and then inject them from within a folder containing the encoded mkv's.

  


• avutil/stereo3d : Fill out stereo info provided by Vision Pro files

  30 mai 2024, par Derek Buitenhuis

  avutil/stereo3d : Fill out stereo info provided by Vision Pro files
  Based on what is in the files themselves, and what the API provides
  
  to users.
  URLs :
  
    * https://developer.apple.com/documentation/videotoolbox/kvtcompressionpropertykey_heroeye
  
    * https://developer.apple.com/documentation/videotoolbox/kvtcompressionpropertykey_stereocamerabaseline
  
    * https://developer.apple.com/documentation/videotoolbox/kvtcompressionpropertykey_horizontaldisparityadjustment
  
    * https://developer.apple.com/documentation/coremedia/kcmformatdescriptionextension_horizontalfieldofview
  Signed-off-by : Derek Buitenhuis <derek.buitenhuis@gmail.com>
  

  • [DH] doc/APIchanges
  • [DH] libavutil/stereo3d.c
  • [DH] libavutil/stereo3d.h
  • [DH] libavutil/version.h