twitter:card = player

• Subject: Big Buck Bunny (2008) — Blender Foundation, CC-BY
• twitter:card: player
• twitter:player: Wikimedia Commons Special:Redirect URL
• twitter:player:width: 1280 / twitter:player:height: 720
• twitter:player:stream: Wikimedia Commons transcoded WebM 480p
• twitter:player:stream:content_type: video/webm