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Encoding
Learn how to create, start, manage and modify Encodings

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Encoding Encoder Releases

11/27/2018

2.5.1

Fixed

  • Fixed an issue where Per-Title analysis might fail for some long source files

Known Issues

  • Per-Title encodings only work with GCS or S3 output
  • VP9 in combination with 3-pass does not hit the target bitrate, please use 2-pass instead

11/25/2018

2.5.0

Added

  • Per-Title support for HEVC and VP9
  • Added support for FairPlay and HLS with progressive TS files

Fixed

  • Fixed an issue where IV size and PIFF compatibility for PlayReady where not copied to a Per-Title result stream
  • Segment length was not applied correctly for WebM and progressive MP4
  • Fixed an issue where a 3-pass encoding might stall for a couple of minutes
  • Fixed an issue where frame_field_info_present_flag was incorrectly asserted in SPS VUI information of H.265 outputs
  • Fixed an issue where the Per-Title encoding may fail when using PCM_DVD source
  • Fixed an issue where the output mapping of audio might not work as expected when using the same audio input for multiple streams

Known Issues

  • Per-Title encodings only work with GCS or S3 output
  • VP9 in combination with 3-pass does not hit the target bitrate, please use 2-pass instead
  • Per-Title analysis might fail for some long source files

11/12/2018

2.4.0

Added

  • Burn-In of SRT subtitles
  • Added additional H264 codec parameters (deblockAlpha, deblockBeta, adaptiveQuantizationMode, adaptiveQuantizationStrength, mixedReferences, adaptiveSpatialTransform, fastSkipDetectionPFrames, weightedPredictionBFrames, weightedPredictionPFrames, macroblockTreeRatecontrol, quantizerCurveCompression, psyRateDistortionOptimization, psyTrellis)
  • Improved handling with audio only MXF files
  • Support open-gop for H264 and H265
  • Support for PCM_DVD Audio coded as input
  • Added size of IV and flag for piff-compatible to PlayReady DRM
  • Added FairPlay DRM for HLS with MP4 byte range requests
  • Improved stability for live

Fixed

  • Fixed an issue where PAR was not correctly handled when using Per-Title
  • Fixed an issue where Per-Title encoding does not work with input files that have high bitrates

Known Issues

  • Per-Title encodings only work with GCS or S3 output
  • 3pass encodings might suffer from a stall up to 10 minutes

Beta

10/29/2018

2.3.0

Added

  • Implemented support for HLS with MP4 Byte-Range request
  • Implemented DASH Segment Timeline for Live
  • Explicitly set AWS S3 Signature Version to output

Fixed

  • Fixed an issue where audio only could not be encoded when the input file was in MXF format
  • Fixed an issue where the trimming could be off by a couple of frames when using timecode
  • Restarts of live encoding is now up to 5x faster

Known Issues

  • Per-Title encodings only work with GCS or S3 output
  • Per-Title encoding fails with input files that have a high bitrate

Stable

10/22/2018

2.2.0

Added

  • Per-Title analysis step is now 4x faster
  • Improved writing of live HLS manifest to be more resilient
  • Added new applied settings to the stream that are patched with the width and height used for encoding

Known Issues

  • Per-Title encodings only work with GCS or S3 output
  • Per-Title encoding fails with input files that have a high bitrate

10/16/2018

2.1.0

Added

  • Return PAR in stream input analysis
  • Improved error message when a file on S3 cannot be downloaded
  • Enable HLG signaling options for HEVC
  • Support for vbv codec settings for Per-Title

Fixed

  • Fixed an issue where an encoding might stall at the very end when using a lot of renditions
  • Fixed IDR placement for HEVC

Known Issues

  • Per-Title encodings only work with GCS or S3 output

10/9/2018

2.0.0

Added

  • Per Title Encoding
  • AV1 speed improvements by 40%. That means it's twice as fast as the reference implementation, 20 times slower than HEVC/VP9 and 40 times slower than H.264
  • Enhanced 2-pass and 3-pass encoding
  • Support de-multiplexed A/V input files
  • Support 2-Pass for live encoding
  • Added Keyframe settings to VP8/VP9
  • Added muxing information for Broadcast TS

Changed

  • Breaking Change: When adding a stream, the property decodingErrorMode is set to DUPLICATE_FRAMES per default
  • Breaking Change: When starting an encoding, the property encodingMode is set to TWO_PASS per default
  • Breaking Change: When starting an encoding, the property trimming -> ignoreDurationIfInputTooShort is set to true per default
  • Breaking Change: When starting an encoding, the property handleVariableInputFps is set to true per default
  • Breaking Change: When starting an encoding, the property tweaks -> audioVideoSyncMode is set to RESYNC_AT_START per default

Fixed

  • Fixed an upload bug that may occur when uploading Progressive MP4 files to Azure
  • Fixed an issue where the encoding may fail when using a small trimming duration

Known Issues

  • Per-Title encodings only work with GCS or S3 output

10/1/2018

1.56.0

Added

  • Added flag to ignore duration trimming for input files shorter than the specified duration
  • Added support for timecode trimming for MXF files
  • Improve error message reporting when an internal encoding error occurs
  • Cut segments for HLS manifests and insert custom tags
  • Added Audio Leveling support

Fixed

  • Fixed an issue with bitrate conformance when using HLSv3 and AES128 encryption
  • Fixed handling of per title encodings with PAR other than 1:1
  • Fixed a bug where encoding from MXF source failed

9/17/2018

1.55.3

Added

  • Restart of running live encodings
  • Burnt-In Time Code (BITC), taken from the SEI of the source file for every frame

Fixed

  • Improved handling with large input files
  • Improved playback on Roku and Tizen devices
  • Fixed a bug where the encoding failed with the resync at start feature
  • Fixed playback issue in chrome when adding custom timecode to MP4 muxing
  • Improved handling of watermark image download
  • Improved feedback for unsupported input file types
  • Improved handling of legacy S3 buckets
  • Improved support of MXF input files
  • Improved handling of download from Azure storage with special characters
  • Fixed handling of interlaced source files packaged in MP4 containers

9/3/2018

1.54.0

Added

  • Create multi-period DASH manifests with an on-demand profile
  • Create multi-period DASH manifests with keyframes
  • Improved handling of input paths that contain URL encoded characters

Fixed

  • Fixed an issue where the framerate might be doubled when the deinterlace filter is used
  • Issue fixed where an audio that is encoded with a sample rate below the input sample rate caused an error
  • Fixed an issue where the passthrough of 608 captions may not work as expected

Known Issues

  • Encoding job might fail for 4k high bitrate files

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