AWS Elemental MediaLive
User Guide

Formats Supported in an HLS Output

In this table, look up your input container and captions type. Then read across to find the caption formats that are supported for an HLS output, when you have this input container and captions type.

Source Caption Container Source Caption Input Supported Output Captions
HLS Container Embedded Burn-in

Embedded

WebVTT

SCTE-20 Burn-in

Embedded

WebVTT

RTMP Container Embedded Burn-in

Embedded

WebVTT

MPEG2-TS Container (through the RTP or MediaConnect protocol) Embedded Burn-in

Embedded

WebVTT

SCTE-20 Burn-in

Embedded

WebVTT

Teletext Burn-in

WebVTT

ARIB None
DVB-Sub Burn-in
SCTE-27 Burn-in