21 May 2026

Legalize for caption-to-caption conversion: more formats

ttml is supported for legalize tasks

<?xml version="1.0"?>
<query>
    <userid>[UserID]</userid> <!-- required -->
    <userkey>[UserKey]</userkey> <!-- required -->
    <action>[Action]</action> <!-- required -->
    <source>[SourceFile]</source> <!-- required -->
    <format>
        <output>closed_captions</output> <!-- required-->
        <legalize> 
            <mode>[cea-608|teletext|custom]</mode> 
            <max_line_count>[MaxLineCount]</max_line_count> 
            <max_line_length>[MaxLineLength]</max_line_length> 
        </legalize>
        <type>[srt|scc|webvtt|ttml|stl]</type>
    </format>
</query>

{
  "query": {
    "userid": "[UserID]", // required
    "userkey": "[UserKey]", // required
    "action": "[Action]", // required
    "source": "[SourceFile]", // required
    "format": {
      "output": "closed_captions",
      "legalize": {
        "mode": "[cea-608|teletext|custom]",
        "max_line_count": "[MaxLineCount]",
        "max_line_length": "[MaxLineLength]",
      },
      "type": "[srt|scc|webvtt|ttml|stl]"
    }
  }
}