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GPAC version 0.8.0

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@jeanlf jeanlf released this 27 Jun 11:07
· 8164 commits to master since this release

We are happy to announce the new release 0.8.0 of GPAC, featuring AV1, full CENC and ATSC3.0 support.


  • Many security fixes (static compile and fuzzing through AFL, always ongoing).
  • Many bugs fixes
  • Added :ncl option in log levels to disable color logs
  • More tests and coverage

File Formats

  • Better support of QTFF / ProRes files
  • Support for AV1
    -- import and export
    -- source formats: OBUs (Section 5), IVF and AnnexB
    -- AV1 in HEIF
  • Support for color (nclc, nclx and ICC profiles) in HEIF and ISOBMFF
  • Support for HDR (mdcv, clli) info in HEIF and ISOBMFF
  • Support for alpha in HEIF
  • Support for enforcing pasp presence even for 1:1 ratios
  • HEVC temporal sublayer split in MP4Box
  • Allow meta storage before mdat for meta-only files (heif and co)
  • Added option to keep AU delimiter in isobmff samples
  • Support for opus import
  • Support for pixi and ccst in HEIF
  • DolbyVision 'dvcC' and partial 'dvhe' boxes for HDR
  • Support for VP9 import and playback
  • Sample dependency in avc and hevc importers, and track thinner for non-refs images
  • Support for audio_roll signaling
  • New audio import mode to control AudioSampleEntry creation (v0, v1 ISOBMFF, v1 QTFF)
  • xHE-AAC import with detection of sync samples
  • Added support for MPEG-H 3D audio boxes (no import yet)
  • Handle Vobsub empty SPU packets
  • Added auxv and pict support

Common Encryption

  • Fully compliant CENC supporting cenc, cens, cbc1 and cbcs
  • CENC for AV1
  • Improved DASH+CENC support, pssh in MPD
  • ForceClear mode for CENC to skip encryption without sample groups
  • Made senc in movie fragments always stored before truns
  • Added default values handling for cbcs and possibility to set protection system per track
  • Compatibility with OpenSSL 1.1.x

Streaming and Adaptive Streaming

  • Support for ATSC3.0 both US and Korean versions !
  • Support for for live splices (xlink period insertions) in DASH client
  • Automatic period continuity in DASH when no codec change between periods
  • Added DASH cue-base segmentation (XML based) and -dsap option to generate cue files from source
  • Support for BBA-0 and BOLA implementations
  • Write fragment defaults in trex even when not using them
  • Support for simple ssix for keyframe data byterange at the start of a segment
  • Moved segment template at AdaptationSet level if only one representation
  • Changed default bsmode in dasher if single input file
  • Added init-seg-ext option
  • Added -mvex-after-traks option to MP4Box when dashing for CMAF
  • Added segmentation option to insert a tfdt per traf
  • Added -closest mode for DASH segmentation
  • Added -bound option to use audio segmenting method for video
  • Renamed -dash-run-for to -run-for
  • Added '=' in dash templates
  • Improved bandwith estimation when using HTTP 1.1 chunk transfer
  • Add option to force moof base offsets


  • Added -catpl to concatenate from playlist in MP4Box
  • Added options to set movie timescale at import and dash time
  • Added mpd rip option and top-level box compressor in MP4Box
  • Made -dts skip timing check and added -dtsc for that
  • Made force-cat option more agressive
  • Support for MovieFragmentRandomAccess using -mfra option
  • Added -dtsx to dump timing without offset
  • Added -dnalc opt for nal CRC dump
  • Added chunk extraction up to time until end
  • ISOBMFF single track import now removes references by default


  • Updated ffmpeg to 4.0.2
  • Moved to openHEVC 3.0 API
  • Added nvdec support (windows, linux) with reuse of decoder context for tiled VR
  • Added HEVC support to mediacodec on android
  • AV1 playback through ffmpeg
  • Opus playback through ffmpeg

3D, VR and 360

  • Added vrhud for multiviewpoint 360
  • Added forced visibility mode of tiles in VR
  • Added tile visibility debug mode
  • Added forced stereo output for openhevc
  • Disable face nav if mouse grabbed
  • Added simple face tracking vr navigation based on udp commands
  • Added PSVR support
  • Added mouse move emulation at window border to force sphere rotation when inactive
  • Changed tile visibility algo to sample points in mesh

Players (Mobile and Desktop)

  • Added about extension
  • Added multiple audio objects in dynamic scene
  • Added addon splicing of main content
  • Added mosaic://v1:.:vN url support
  • Added gaze simulation through mouse and gaze-sphere visibility test


  • Allow * as argument of -srt|ttxt to dump all possible tracks (#925)
  • Improved support for WebVTT import
  • Improved support for WebVTT DASHing/fragmentation


  • OSX install now done through PKG and modify PATH env in/etc/paths
  • Added initial PMT version and disc marker to TS muxer
  • Moved dektec output to matrix API, added SDI clipping
  • Added temi periodic toggle and manual toggle in MP42TS