Entertainment Content Guidelines

Encoding

• CMAF and TS containers

Video Codecs

• H.264 full support

• H.265 (HEVC) in Beta

• VP9 in Beta

• AV1 in Beta

Audio Codecs

• AAC

• HE-AAC

• AC-3 in Beta

• E-AC-3 in Beta

Transmit capabilities

• Automatically matches profile, quality, codecs and packet structure of original stream in real time with no configuration

Playlists

• Best practice

  • Minimum look-back window of 1 minute

  • Maximum look-back as short as possible for best performance

• HLS Manifests

  • Media Sequence aligned across renditions for InStream ad insertion

  • Program Date Time in media playlists

  • Codecs, Frame Rate, Width, Height, Bandwidth in the master playlist

• Dash Manifests

  • Multi-period or Single Period

  • Segment Templates or Segment Timeline

• Additional Supported Features

  • Separate and multiple Audio Media groups

  • Trick play

  • Subtitles and captions

Ad Insertion

• Supported HLS SCTE playlist tags

  • #EXT-X-CUE-OUT

  • #EXT-X-DATERANGE

  • #EXT-X-SCTE35

  • #EXT-OATCLS-SCTE35

  • #EXT-X-ASSET or UPID for additional break data

• Full support of DASH SCTE spec

Authentication and Encryption 

• Full DRM and Encryption support

  • Fairplay, Playready, Widevine and ClearKey

• Supported Authentication

  • Akamai

  • Akamai Edge

  • Shared secret

  • Custom authentication

Transmit Encoding RTP/SRT/RTMP

• Inputs

  • RTP

  • SRT

  • RTMP

  • HLS

  • DASH

• SRT desired for easy passthrough of SCTE

• Client can dictate HLS and DASH quality ladder

• Transmit will serve via Cloudfront or Akamai CDN

• Transmit can provide auth via Cloudfront or Akamai

VOD Upload

• Origin/prefix

• MRSS

• CSV/XLS- Link to file source

• Direct File Upload