Upload Subtitle

Description

With this feature, users are able to upload not only a video but a subtitle file in the same upload form.

Requirements

• Opencast 15 or higher
• Opencast ingest service
• ILIAS 8
• Plugin branch release_8, version 8.1.1 or higher

Configurations

Navigation

Admins can find the related page for subtitles configuration under:

OpenCast plugin configuration > Settings > Subtitles

Setting options

• Enable Subtitle Upload: Enabling this will provide the feature to the end users.
  • Accepted File Types: File types accepted to be uploaded as subtitles.
    • NOTE: Please make sure that the selected file types are also added into File Suffix Positive List (Adaptations) of ILIAS Administrative Settings under: Adminstration > System Settings and Maintenance > File Services
    • NOTE: Because Opencast accepts VTT files only, therefore, to convert other file types to VTT before uploading to opencast, it is necessary to install and configure FFmpeg in ILIAS. For more info: Optional Dependencies in ILIAS 8 Installation
  • Supported Languages: Offered languages to be uploaded as subtitles, with "[value]|||[label] format e.g. eng|||English.

Extra: The list of available languages can be retrieved from Opencast List provider API using "Load language list from API" button. Note: for this to work, make sure API Version is set to "v1.10.0" or higher.

Overview

Usage

In upload form, users can upload one subtitle file per language, using the file upload inputs shown under "Subtitles" section.

Overview