Values.TtmlDestinationSettingsSourceSettings related to TTML captions. TTML is a sidecar format that holds captions in a file that is separate from the video container. Set up sidecar captions in the same output group, but different output from your video. For more information, see https://docs.aws.amazon.com/mediaconvert/latest/ug/ttml-and-webvtt-output-captions.html.
type nonrec t = {stylePassthrough : TtmlStylePassthrough.t option;Pass through style and position information from a TTML-like input source (TTML, IMSC, SMPTE-TT) to the TTML output.
*)}