1.269 (9/15/2025)

Features

• Added support for using {source_basename} placeholder in Source Provider task to refer to the root Source task
• Added support for setting service_index in the Package task to set “Service” values for CEA-708 captions in HLS outputs
• Improved handling of converting non-compliant SCC sources with more than 32 characters per line to WebVTT
• Added copy_or_convert option to enable_cea708 parameter to allow copying of existing CEA-708 data, or conversion from CEA-608 to CEA-708, without failing if neither are present

Fixes

• Resolved issues with missing cues in non-29.97 WebVTT outputs when converting from SCC and using segmented rendering
• Resolved issue with incorrect position values in cues with longer text strings when converting from SCC to WebVTT
• Resolved issue with overlapping timestamps affecting the end of one cue and the start of the next cue when converting from SCC to WebVTT
• Resolved “negative length found in subtitle input file” error when converting certain SCC sources to WebVTT
• Resolved additional characters being inserted when converting from WebVTT to SCC and WebVTT cues have position values from 0-24%
• Resolved issue with incorrect control codes causing stuck or incorrectly positioned cues in embedded CEA-708 tracks when converted from CEA-608
• Resolved issue with missing embedded CEA-708 cues when utilizing multiple CC channels and segmented rendering, and the target has a frame rate that is not 29.97fps
• Resolved error when embedding captions from some SMPTE 436M sources
• Resolved error when transcoding to Dolby Digital Plus from large Dolby E sources
• Resolved “No supported fps undefined” error when stitching Atmos sources with silence
• Resolved issue where connections from an asset_complex source to a Source Provider task could result in the Source Provider task failing with “ping timeout” error
• Resolved issue where MOV outputs could have clap atom despite setting use_clap to false when using segmented rendering
• Resolved issue with duplicated characters when creating SCC outputs from certain MXF sources
• Resolved “Application provided invalid, non monotonically increasing dts to muxer” error when encoding from certain 23.976fps (23976/1000) sources