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FFmpeg CLI

Burn Subtitles Mp4

Burn SRT subtitles into a video and return an H.264 and AAC MP4 asset.

Write actionRisk level 0 of 5Aident-managed access
Use Burn Subtitles Mp4

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Aident LoadoutAident Playbook EditorOpen-CUAK

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Inputs

  • inputUrlstring
    Required
    HTTPS URL for the source video file.
  • subtitlesUrlstring
    Required
    HTTPS URL for an SRT subtitle file.

Observable output

  • stderrstring
    Required
  • stdoutstring
    Required
  • assetIdstring
  • assetIdsarray
    Required
  • exitCodenumber
    Required
  • durationMsnumber
    Required
  • assetIdToUrlMapobject
  • assetSourceSessionIdstring

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Skills that use this Action

  • @Aident3,066166
    Viral Clip Growth LoopTurn authorized long-form video into three to five reviewed highlight clips by default with harness-native editorial reasoning and deterministic FFmpeg rendering.
    Aug 29, 2026