videojs-ass

Add Advanced SubStation Alpha (ASS) subtitles support to videojs using the libjass library.

Check out the demo here

Install

For plugin that supports videojs v5.x install using either:

• bower install videojs-ass

or

• npm install videojs-ass

For videojs v4:

Just specify version to be within:

"videojs-ass": ">=0.3.0 < 0.5.0"

for bower or npm whichever you prefer using.

Usage

Initialize the ass plugin with the src field like the following:

videojs('player_id', {
  plugins: {
    ass: {
      src: 'subs/subtitles.ass'
    }
  }
}

Option	Default	Description
src	-1	.ass / .ssa source.
label	-2	subtitle track label that shows up in the subtitles picker
delay	03	delay subtitle rendering by the specified value in seconds
rate	1	subtitle update speed relative to video playback rate
enableSvg	true	see here regarding SVG filter
fontMap	-	see here regarding using custom web fonts
fontMapById	-	alternate to above, takes id and runs this
videoWidth	-4	metadata to assist in determining the optimal (cont below)
videoHeight	-4	(cont) subtitle letterboxing ratio

Footnotes:

1. This property is required!
2. Has fallback values but you should provide a better label.
3. Value can be negative
4. Generally, you should set these values when using external videojs providers as they might not expose the video dimensions to the player.