The Wayback Machine - https://web.archive.org/web/20160617151706/https://dev.twitter.com/web/embedded-video/parameters

Embedded Video parameter reference

An Embedded Video supports customization in data-* attributes and a JavaScript factory function. This reference document describes parameters used in all formats.

Reference the oEmbed API with widget_type=video to set these parameters as part of an HTML response for a Tweet ID or URL.

Parameters

id required

The numerical ID of the desired Tweet.

Example Value: 560070183650213889

status optional

When set to hidden, selecting the Twitter bird logo on the bottom corner of the video player will link to the Tweet URL instead of displaying a Tweet overlay.

Example Value: hidden

lang optional

A supported Twitter language code.

Loads text components of a Tweet overlay in the specified language. Note: does not affect the text of the cited Tweet.

Example Value: es

HTML example

<blockquote class="twitter-video"
 data-status="hidden" lang="es">
<p>You can now shoot, edit and share video on Twitter. Capture life's most moving moments from your perspective.
<a href="http://t.co/31JoMS50ha">
  pic.twitter.com/31JoMS50ha
</a></p>
— Twitter (@twitter)
<a href="https://twitter.com/twitter/status/560070183650213889">
  enero 27, 2015
</a>
</blockquote>

JavaScript factory example

Note: the numeric Tweet ID should be passed as a string.

twttr.widgets.createVideo(
  "560070183650213889",
  document.getElementById("video-container"),
  {
    status: "hidden",
    lang: "es"
  }
);