6 November 2025

Source framerate and Source ID for SCC input

source_framerate option can be specified for external CC source

<?xml version="1.0"?>
<query>
    <userid>[UserID]</userid> <!-- required -->
    <userkey>[UserKey]</userkey> <!-- required -->
    <action>[Action]</action> <!-- required -->
    <source>[SourceFile]</source> <!-- required -->
    <format>
        <output>[OutputFormat]</output> <!-- required-->
        <closed_captions>
            <mux_type>webvtt</mux_type>
            <source>[URL]</source>
            <source_framerate>[Frame rate]</source_framerate>
            <cea_source_id>[Source ID]</cea_source_id>
        </closed_captions>
    </format>
</query>

{
  "query": {
    "userid": "[UserID]",
    // required
    "userkey": "[UserKey]",
    // required
    "action": "[Action]",
    // required
    "source": "[SourceFile]",
    // required
    "format": {
      "output": "[OutputFormat]",
      // required
      "closed_captions": [
        {
          "mux_type": "webvtt",
          "source": "[URL]",
          "source_framerate": "[Frame rate]",
          "cea_source_id": "[Source ID]"
        }
      ]
    }
  }
}

Parameter	Description	Allowed Values	Default Value
cea_source_id	Source ID to extract captions from, for repackaging flow	Integer number	none
source_framerate	Source subtitle file frame rate (e.g. for SCC)	60, 59.94, 60000/1001, 50, 29.97, 30000/1001, 25, 23.98, 24000/1001	none

SCC strict check

scc_strict_check option can be specified to fail in case of incorrect SCC source

<?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-->
        <scc_strict_check>[yes|no]</scc_strict_check>
    </format>
</query>

{
  "query": {
    "userid": "[UserID]", // required
    "userkey": "[UserKey]", // required
    "action": "[Action]", // required
    "source": "[SourceFile]", // required
    "format": {
      "output": "closed_captions",
      "scc_strict_check": "[yes|no]"
    }
  }
}

Parameter	Description	Allowed Values	Default Value
scc_strict_check	Fail in case of SCC source errors (e.g. incorrect timecodes)	yes, no	none