{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-elastic-transcoder/refs/heads/main/json-schema/amazon-elastic-transcoder-caption-format-schema.json",
  "title": "CaptionFormat",
  "description": "The file format of the output captions. If you leave this value blank, Elastic Transcoder returns an error.",
  "type": "object",
  "properties": {
    "Format": {
      "allOf": [
        {
          "$ref": "#/components/schemas/CaptionFormatFormat"
        },
        {
          "description": "<p>The format you specify determines whether Elastic Transcoder generates an embedded or sidecar caption for this output.</p> <ul> <li> <p> <b>Valid Embedded Caption Formats:</b> </p> <ul> <li> <p> <b>for FLAC</b>: None</p> </li> <li> <p> <b>For MP3</b>: None</p> </li> <li> <p> <b>For MP4</b>: mov-text</p> </li> <li> <p> <b>For MPEG-TS</b>: None</p> </li> <li> <p> <b>For ogg</b>: None</p> </li> <li> <p> <b>For webm</b>: None</p> </li> </ul> </li> <li> <p> <b>Valid Sidecar Caption Formats:</b> Elastic Transcoder supports dfxp (first div element only), scc, srt, and webvtt. If you want ttml or smpte-tt compatible captions, specify dfxp as your output format.</p> <ul> <li> <p> <b>For FMP4</b>: dfxp</p> </li> <li> <p> <b>Non-FMP4 outputs</b>: All sidecar types</p> </li> </ul> <p> <code>fmp4</code> captions have an extension of <code>.ismt</code> </p> </li> </ul>"
        }
      ]
    },
    "Pattern": {
      "allOf": [
        {
          "$ref": "#/components/schemas/CaptionFormatPattern"
        },
        {
          "description": "<p>The prefix for caption filenames, in the form <i>description</i>-<code>{language}</code>, where:</p> <ul> <li> <p> <i>description</i> is a description of the video.</p> </li> <li> <p> <code>{language}</code> is a literal value that Elastic Transcoder replaces with the two- or three-letter code for the language of the caption in the output file names.</p> </li> </ul> <p>If you don't include <code>{language}</code> in the file name pattern, Elastic Transcoder automatically appends \"<code>{language}</code>\" to the value that you specify for the description. In addition, Elastic Transcoder automatically appends the count to the end of the segment files.</p> <p>For example, suppose you're transcoding into srt format. When you enter \"Sydney-{language}-sunrise\", and the language of the captions is English (en), the name of the first caption file is be Sydney-en-sunrise00000.srt.</p>"
        }
      ]
    },
    "Encryption": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Encryption"
        },
        {
          "description": "The encryption settings, if any, that you want Elastic Transcoder to apply to your caption formats."
        }
      ]
    }
  }
}