Supported input captions, within video containers - MediaConvert

Supported input captions, within video containers

To look up whether MediaConvert supports your captions workflow, choose the topic from the following list that corresponds to your video output container. Then find the row that corresponds to your input captions container and format. Check the supported output captions format column to see the available output captions formats.

Supported captions in CMAF output container

The following table lists supported output captions formats for this output container. Use when your input captions are in the same container or stream as your video. This table is sorted by the input captions container and input captions format.

If your input captions are in a sidecar format, see Sidecar captions supported in CMAF output container. Sidecar captions are captions that you provide as a separate input file from your video.

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

IMSC (as sidecar .fmp4)

WebVTT

WebVTT

IMSC (as sidecar .fmp4)

WebVTT

MP4 Container

Embedded

IMSC (as sidecar .fmp4)

WebVTT

SCTE-20

IMSC (as sidecar .fmp4)

WebVTT

MPEG2-TS Container

Embedded

IMSC (as sidecar .fmp4)

WebVTT

SCTE-20

IMSC (as sidecar .fmp4)

WebVTT

Teletext

IMSC (as sidecar .fmp4)

WebVTT

MXF Container

Embedded

IMSC (as sidecar .fmp4)

WebVTT

Ancillary

IMSC (as sidecar .fmp4)

WebVTT

QuickTime Container

Embedded

IMSC (as sidecar .fmp4)

WebVTT

Ancillary

IMSC (as sidecar .fmp4)

WebVTT

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data

Supported captions in DASH output container

The following table lists supported output captions formats for this output container. Use when your input captions are in the same container or stream as your video. This table is sorted by the input captions container and input captions format.

If your input captions are in a sidecar format, see Sidecar captions supported in DASH output container. Sidecar captions are captions that you provide as a separate input file from your video.

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

WebVTT

WebVTT

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

WebVTT

IMF Container

Note

Specify the CPL to define your input.

IMSC1 text profile

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

MP4 Container

Embedded

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

WebVTT

SCTE-20

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

MPEG2-TS Container

DVB-Sub

Burn in

Embedded

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

WebVTT

SCTE-20

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

WebVTT

Teletext

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

MXF Container

Embedded

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

SCTE-20

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

Ancillary

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

Teletext

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

QuickTime Container

Embedded

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

SCTE-20

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

Ancillary

Burn in

IMSC (as sidecar .fmp4)

IMSC (as sidecar .xml)

TTML (as sidecar .fmp4)

TTML (as sidecar .ttml)

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data

Supported captions in HLS output container

The following table lists supported output captions formats for this output container. Use when your input captions are in the same container or stream as your video. This table is sorted by the input captions container and input captions format.

If your input captions are in a sidecar format, see Sidecar captions supported in HLS output container. Sidecar captions are captions that you provide as a separate input file from your video.

Note

AWS Elemental MediaConvert has the following limitations with Teletext in outputs:

  • The service doesn't support captions formatting and positioning

  • You can use only Teletext level 1.5 languages

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

WebVTT

Burn in

WebVTT

IMF Container

Note

Specify the CPL to define your input.

IMSC1 text profile

WebVTT

MP4 Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

MPEG2-TS Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

Teletext

Burn in

WebVTT

DVB-Sub

Burn in

MXF Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

Ancillary

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

Teletext

Burn in

QuickTime Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

Ancillary

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data

Supported captions in Microsoft Smooth Streaming (MSS) output container

The following table lists supported output captions formats for this output container. Use when your input captions are in the same container or stream as your video. This table is sorted by the input captions container and input captions format.

If your input captions are in a sidecar format, see Sidecar captions supported in Microsoft Smooth Streaming (MSS) output container. Sidecar captions are captions that you provide as a separate input file from your video.

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

Burn in

TTML

WebVTT

Burn in

TTML (as sidecar .ttml)

MP4 Container

Embedded

Burn in

TTML

SCTE-20

Burn in

TTML

MPEG2-TS Container

Embedded

Burn in

TTML

SCTE-20

Burn in

TTML

Teletext

Burn in

TTML

DVB-Sub

Burn in

MXF Container

Embedded

Burn in

TTML

SCTE-20

Burn in

TTML

Ancillary

Burn in

TTML

Teletext

Burn in

TTML

QuickTime Container

Embedded

Burn in

TTML

SCTE-20

Burn in

TTML

Ancillary

Burn in

TTML

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data

Supported captions in MP4 output container

The following table lists supported output captions formats for this output container. Use when your input captions are in the same container or stream as your video. This table is sorted by the input captions container and input captions format.

If your input captions are in a sidecar format, see Sidecar captions supported in MP4 output container. Sidecar captions are captions that you provide as a separate input file from your video.

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

Burn in

MP4 Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

MPEG2-TS Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

Burn in

DVB-Sub

Burn in

MXF Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Ancillary

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

QuickTime Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Ancillary

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data

Supported captions in MPEG2-TS output container

The following table lists supported output captions formats for this output container. Use when your input captions are in the same container or stream as your video. This table is sorted by the input captions container and input captions format.

If your input captions are in a sidecar format, see Sidecar captions supported in MPEG2-TS File output container. Sidecar captions are captions that you provide as a separate input file from your video.

Note

AWS Elemental MediaConvert has the following limitations with Teletext in outputs:

  • The service doesn't support captions formatting and positioning

  • You can use only Teletext level 1.5 languages

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

Burn in

Teletext

DVB-Sub

IMF Container

Note

Specify the CPL to define your input.

IMSC1 text profile

Burn in

DVB-Sub

Teletext

MPEG2-TS Container

Embedded

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

SCTE-20

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

Burn in

DVB-Sub

Teletext

DVB-Sub

Burn in

DVB-Sub

MP4 Container

Embedded

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

SCTE-20

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

MXF Container

Embedded

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

SCTE-20

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Ancillary

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

Burn in

DVB-Sub

Teletext

QuickTime Container

Embedded

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Ancillary

Burn in

DVB-Sub

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data

Supported captions in MXF output container

The following table lists supported output captions formats for this output container. Use when your input captions are in the same container or stream as your video. This table is sorted by the input captions container and input captions format.

If your input captions are in a sidecar format, see Sidecar captions supported in MXF output container. Sidecar captions are captions that you provide as a separate input file from your video.

Note

AWS Elemental MediaConvert has the following limitations with Teletext in outputs:

  • The service doesn't support captions formatting and positioning

  • You can use only Teletext level 1.5 languages

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

Burn in

Teletext

IMF Container

Note

Specify the CPL to define your input.

IMSC1 text profile

Burn in

MP4 Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

MPEG2-TS Container

DVB-Sub

Burn in

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

Burn in

Teletext

MXF Container

Ancillary

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Embedded

Embedded

Teletext

QuickTime Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Ancillary

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data

Supported captions in QuickTime output container

The following table lists supported output captions formats for this output container. Use when your input captions are in the same container or stream as your video. This table is sorted by the input captions container and input captions format.

If your input captions are in a sidecar format, see Sidecar captions supported in QuickTime output container. Sidecar captions are captions that you provide as a separate input file from your video.

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

WebVTT

Burn in

IMF Container

Note

Specify the CPL to define your input.

IMSC1 text profile

Burn in

MP4 Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

MPEG2-TS Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

Burn in

DVB-Sub

Burn in

MXF Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Ancillary

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Teletext

Burn in

QuickTime Container

Embedded

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

SCTE-20

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

Ancillary

Burn in

Embedded

Embedded plus SCTE-20

SCTE-20 plus embedded

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data

Sidecar captions supported with File output groups

The following table lists standalone sidecar output captions formats that MediaConvert supports with outputs in the File output group. Sidecar captions are captions that are in a separate file from your video.

If your input captions are in a sidecar format, see Sidecar captions supported with File output groups. Sidecar captions are captions that you provide as a separate input file from your video.

When you set up these output captions in your job, choose No container (RAW) for Container, under Output settings. In your JSON job specification, specify it this way:

{ "ContainerSettings": { "Container": "RAW" },
Note

You can create sidecar captions outputs only as part of a job that also generates a video output.

Input captions container

Input captions format

Supported output captions formats

HLS Container

Embedded

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

MP4 Container

Embedded

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

SCTE-20

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

MPEG2-TS Container

Embedded

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

SCTE-20

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

Teletext

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

MXF Container

Embedded

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

SCTE-20

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

Ancillary

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

Teletext

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

QuickTime Container

Embedded

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

SCTE-20

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

Ancillary

IMSC (as sidecar .xml)

SCC

SRT

SMI

TTML

WebVTT

In the preceding table, Embedded and Ancillary refer to groups of similar captions formats.

Embedded captions include these formats:

  • CEA-608

  • EIA-608

  • CEA-708

  • EIA-708

Ancillary captions include these formats:

  • Captions in the QuickTime Captions Track

  • Captions in the MXF container VANC data