{ "lexicon": 1, "id": "app.bsky.embed.video", "description": "A video embedded in a Bluesky record (eg, a post).", "defs": { "main": { "type": "object", "required": ["video"], "properties": { "video": { "type": "blob", "accept": ["video/mp4"], "maxSize": 50000000 }, "captions": { "type": "array", "items": { "type": "ref", "ref": "#caption" }, "maxLength": 20 }, "alt": { "type": "string", "description": "Alt text description of the video, for accessibility.", "maxGraphemes": 1000, "maxLength": 10000 }, "aspectRatio": { "type": "ref", "ref": "app.bsky.embed.defs#aspectRatio" } } }, "caption": { "type": "object", "required": ["lang", "file"], "properties": { "lang": { "type": "string", "format": "language" }, "file": { "type": "blob", "accept": ["text/vtt"], "maxSize": 20000 } } }, "view": { "type": "object", "required": ["cid", "playlist"], "properties": { "cid": { "type": "string", "format": "cid" }, "playlist": { "type": "string", "format": "uri" }, "thumbnail": { "type": "string", "format": "uri" }, "alt": { "type": "string", "maxGraphemes": 1000, "maxLength": 10000 }, "aspectRatio": { "type": "ref", "ref": "app.bsky.embed.defs#aspectRatio" } } } } }