AWS Elemental MediaLive
User Guide

Sample Manifests - HLS

MediaLive supports the following HLS manifest styles for outputs:

  • Adobe

  • Elemental

  • SCTE-35 Enhanced

This section describes the ad marker tagging for each style of output manifest.

Note

MediaLive doesn't interpret the ad avail decoration information in the manifest attached to the input source.

Ad Marker: Adobe

Inserts a CUE: DURATION for each ad avail. Does not insert any CUE-OUT CONT (continuation tags) to indicate to a player joining midbreak that there is a current avail. This does not insert a CUE-IN tag at the end of the avail.

Structure
Segment Tag Tag Count
Segment in which the ad avail starts. 1 CUE: DURATION tag 1
Tag Contents
  • CUE:DURATION contains the following:

    • duration – Duration in fractional seconds

    • id – An identifier, unique among all ad avails CUE tags

    • type – SpliceOut

    • time – The PTS time for the ad avail, in fractional seconds

Example

This is the tag for an ad avail lasting 414.171 PTS:

#EXT-X-CUE:DURATION="201.467",ID="0",TYPE="SpliceOut",TIME="414.171"

Ad Marker: Elemental

Structure

Segment Tag Tag Count
Each succeeding segment. CUE-OUT 1
Segment in which the ad avail starts. CUE-OUT-CONT 0-n
Segment in which ad avail ends. CUE-IN 1
Tag Contents
  • CUE-OUT contains DURATION

  • CUE-OUT-CONT contains Elapsed time and Duration

  • CUE-IN has no content

Example
#EXT-X-CUE-OUT:30.000 . . . # EXT-X-CUE-OUT-CONT: 8.308/30 . . . # EXT-X-CUE-OUT-CONT: 20.391/30 . . . # EXT-X-CUE-IN

Ad Marker: SCTE-35 Enhanced

Structure

Segment Tag Tag Count
Segment in which the ad avail starts. OATCLS-SCTE35 1
Segment in which the ad avail starts. ASSET 1
Segment in which the ad avail starts. CUE-OUT 1
Each succeeding segment. CUE-OUT-CONT 0-n
Segment in which ad avail ends. CUE-IN 1
Tag Contents
  • OATCLS-SCTE35 containing the base64 encoded raw bytes of the original SCTE-35 ad avail message.

  • ASSET containing the CAID or UPID as specified in the original SCTE35 message.

  • 1 CUE-OUT per ad avail.

  • CUE-OUT-CONT containing the following:

    • The elapsed time of the avail.

    • The duration declared in the original SCTE35 message.

    • SCTE35 containing the base64 encoded raw bytes of the original SCTE-35 ad avail message.

      These lines repeat until the ad avail ends.

  • CUE-IN to indicate the end of the avail.

Example
#EXT-OATCLS-SCTE35:/DA0AAAAAAAAAAAABQb+ADAQ6QAeAhxDVUVJQAAAO3/PAAEUrEoICAAAAAAg+2UBNAAANvrtoQ== #EXT-X-ASSET:CAID=0x0000000020FB6501 #EXT-X-CUE-OUT:201.467 . . . #EXT-X-CUE-OUT-CONT:ElapsedTime=5.939,Duration=201.467,SCTE35=/DA0AAAA+…AAg+2UBNAAANvrtoQ== . . . #EXT-X-CUE-IN