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Encoding Encoder Release 2.50.0




  • Added Dolby Atmos support
    • Input as ADM or DAMF Dolby Master files
    • Output to fMP4 in DASH/HLS
    • Support for Widevine, PlayReady and FairPlay DRM
  • Improved bitrate distribution over segments for 3-pass encodings
    • Especially improves last segment visual quality


  • Improve the download speed from the following inputs: S3, GCS and Generic S3
  • The handling of input timestamps for Zixi/SRT live stream encodings is improved.


  • Fixed an issue with customData on filters leading to "scheduling failed" errors
  • Fixed encoding failures for some VP9 encodes and tuned encoder rate control, quality and speed.
  • Fixed a rounding error in the Per-Title algorithm that led to a missing FIXED_RESOLUTION_AND_BITRATE rendition in some very rare circumstances.

Known Issues

  • Per-Title encodings only work with GCS, S3, Generic S3, Akamai NetStorage or Azure Blob output.
  • Progressive MP4 with CBR encodings might have incorrect HRD buffer signaling.
  • S3 role-based output for segmented muxings: No upload verification available

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