video annotation - error loading more than 400 MB

[magdaaniol]

Welcome to the forum @Gal_R

If you're using a default audio.manual loader with large files, the conversion to base64 (i.e. encoding of the entire file to a string) might result in performance issues.
See this post for more context and suggestions on how to load large media files to Prodigy:

audio.manual with video loader can't handle large videos

Hi! The problem here is that the built-in audio, video and image loaders will convert the file data to base64 to send it to the web app. So basically, the entire file is encoded as a string. That works fine for smaller files and is convenient, because you can easily work with local files and the source data is stored with the annotation, so you never lose the reference. However, if your files are large, this is less convenient, sending the data takes much longer (because you're essentially send…