chromium/third_party/blink/web_tests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/resources/line-position.vtt

WEBVTT
Cues with valid vertical line positioning values.

1
00:00:00.000 --> 00:00:15.000 line:0%
Bear is Coming!!!!!
Positioning on the top of the viewport, in the middle.

00:00:15.500 --> 00:00:30.500 line:0
Bear is Coming!!!!!
This is line 0.
Positioning on the top of the viewport, in the middle.

2
00:00:31.000 --> 00:00:45.500 line:50%
I said Bear is coming!!!!
Positioning on the center of the video.


00:00:46.000 --> 00:01:00.500 line:5
I said Bear is coming!!!!
This is line 6 from the top of the video viewport.

3
00:01:01.000 --> 00:01:30.000 line:100%
I said Bear is coming now!!!!
Positioning on the bottom middle.

00:01:31.000 --> 00:02:00.500 line:-1
I said Bear is coming now!!!!
This is the first line at the bottom of the video viewport.
Positioning on the bottom middle. Only 1 line shows.

00:02:01.000 --> 00:02:30.000 line:500
I said Bear is coming now!!!!
This is legal,
even though the line will likely not be within the video viewport.