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Update module github.com/Eyevinn/mp4ff to v0.55.0 - #92

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Update module github.com/Eyevinn/mp4ff to v0.55.0#92
renovate[bot] merged 1 commit into
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renovate/github.com-eyevinn-mp4ff-0.x

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This PR contains the following updates:

Package Change Age Confidence
github.com/Eyevinn/mp4ff v0.54.0v0.55.0 age confidence

Release Notes

Eyevinn/mp4ff (github.com/Eyevinn/mp4ff)

v0.55.0

Compare Source

Added
  • Dec3Box.JOCComplexity from the JOC (Joint Object Coding) extension of the dec3 box
    (ETSI TS 103 420 C.3) to detect Dolby Atmos in E-AC-3 tracks
  • avc.CreateSEINalu and hevc.CreateSEINalu to build a full SEI NAL unit (codec
    NAL header + EBSP payload) from sei.SEIMessage values; the encode-side inverse of
    ParseSEINalu
  • tkhd: the transformation matrix is parsed into TkhdBox.Matrix and preserved
    on encode, so rotation metadata survives round trips; a zero-value Matrix
    still encodes as the unity matrix. New helper mp4.UnityMatrix()
  • AV1 metadata OBUs in the av1 package, in reusable layers: MetadataOBU
    (metadata_type + payload) with ParseMetadataOBU, ParseMetadataOBUFromOBU,
    Encode and Size, handling the mandatory trailing_bits and the reverse scan
    for the last non-zero payload byte (AV1 spec 6.7.1), and MetadataType constants
    for HDR CLL/MDCV, scalability, ITU-T T.35 and timecode. A payload that is not
    byte-aligned shares its last byte with trailing_bits; PayloadHasTrailingBits
    marks it so that Encode does not add a second trailing_one_bit
  • av1.ITUTT35 for the metadata_itu_t_t35 body (country code, its 0xff
    extension byte, and payload) with ParseITUTT35, Encode, Size and
    MetadataOBU; it carries CTA-608 captions as well as HDR10+
  • CTA-608 closed captions in AV1: av1.CreateCTA608MetadataOBU builds a complete
    caption metadata OBU from a cc_data() structure and av1.ExtractCTA608 reads the
    field 1 and field 2 byte pairs back from the OBUs of a temporal unit, plus
    ITUTT35.ITUData and ITUTT35.CTA608CCData. The payload is identical to the
    AVC/HEVC SEI one, so only the envelope differs between the codecs
  • sei.CreateCTA608SEIMessage builds a CTA-608 user_data_registered_itu_t_t35
    (type 4) SEI message from a cc_data() structure, the encode-side counterpart of
    sei.ExtractCTA608sei. Wrap it with avc.CreateSEINalu or hevc.CreateSEINalu.
    Supporting helpers: sei.CTA608ITUData, sei.CreateCTA608Payload,
    sei.ITUData.Encode and sei.ITUDataSize
  • Motion JPEG support: mjpg sample entry (JPEG image sequences, ISO/IEC 23008-12 Annex H)
    with the jpgC (JPEGConfigurationBox) and fiel (field handling) boxes.
    mp4.TrakBox.SetMJpegDescriptor creates an mjpg sample entry with an optional jpgC JPEG prefix
  • Decode support for the legacy motion JPEG sample entries mp4v (with esds JPEG object type,
    ISO/IEC 14496-14) and jpeg (QuickTime), and Esds child access in VisualSampleEntryBox
Changed
  • CEA-608 is renamed to its current designation CTA-608 in the sei API:
    sei.CEA608sei, sei.ParseCEA608, sei.ExtractCEA608sei and
    sei.ITUData.IsCEA608 become sei.CTA608sei, sei.ParseCTA608,
    sei.ExtractCTA608sei and sei.ITUData.IsCTA608. This is a breaking change; the
    old names are gone
Fixed
  • avcC encode now writes the 4 trailing-info bytes for all AVC profiles outside
    66/77/88, symmetric with Size() and decode (e.g. profile 244)
  • unknown bytes after the avcC trailing info are preserved through decode/encode
    in the new DecConfRec.TrailingBytes field instead of being dropped
  • visual sample entries with a too long compressor name length byte are decoded
    by clamping the length to 31 like ffmpeg does, instead of failing
  • Panic in hevc.ParseSEINalu and avc.ParseSEINalu on NAL units shorter than
    the codec's NAL unit header (e.g. an empty or single-byte HEVC SEI NALU);
    such input now returns ErrNotSEINalu
  • sei.DecodeUserDataRegisteredSEI, sei.ExtractCTA608sei and sei.ParseCTA608 no
    longer panic on a short/truncated type-4 (user_data_registered_itu_t_t35) SEI
    payload; they return an error that propagates through avc/hevc.ParseSEINalu
  • the build date in the --version output of the command line tools is rendered in
    UTC, so that a commit made close to midnight is no longer reported as the
    neighbouring day for users west of UTC

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This PR was generated by Mend Renovate. View the repository job log.

@renovate
renovate Bot enabled auto-merge (squash) July 27, 2026 15:09
@renovate
renovate Bot merged commit 6e1131c into main Jul 27, 2026
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@renovate
renovate Bot deleted the renovate/github.com-eyevinn-mp4ff-0.x branch July 27, 2026 18:11
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