Update module github.com/Eyevinn/mp4ff to v0.55.0 - #92
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This PR contains the following updates:
v0.54.0→v0.55.0Release Notes
Eyevinn/mp4ff (github.com/Eyevinn/mp4ff)
v0.55.0Compare Source
Added
Dec3Box.JOCComplexityfrom the JOC (Joint Object Coding) extension of thedec3box(ETSI TS 103 420 C.3) to detect Dolby Atmos in E-AC-3 tracks
avc.CreateSEINaluandhevc.CreateSEINaluto build a full SEI NAL unit (codecNAL header + EBSP payload) from
sei.SEIMessagevalues; the encode-side inverse ofParseSEINaluTkhdBox.Matrixand preservedon encode, so rotation metadata survives round trips; a zero-value
Matrixstill encodes as the unity matrix. New helper
mp4.UnityMatrix()av1package, in reusable layers:MetadataOBU(
metadata_type+ payload) withParseMetadataOBU,ParseMetadataOBUFromOBU,EncodeandSize, handling the mandatorytrailing_bitsand the reverse scanfor the last non-zero payload byte (AV1 spec 6.7.1), and
MetadataTypeconstantsfor HDR CLL/MDCV, scalability, ITU-T T.35 and timecode. A payload that is not
byte-aligned shares its last byte with
trailing_bits;PayloadHasTrailingBitsmarks it so that
Encodedoes not add a secondtrailing_one_bitav1.ITUTT35for themetadata_itu_t_t35body (country code, its0xffextension byte, and payload) with
ParseITUTT35,Encode,SizeandMetadataOBU; it carries CTA-608 captions as well as HDR10+av1.CreateCTA608MetadataOBUbuilds a completecaption metadata OBU from a
cc_data()structure andav1.ExtractCTA608reads thefield 1 and field 2 byte pairs back from the OBUs of a temporal unit, plus
ITUTT35.ITUDataandITUTT35.CTA608CCData. The payload is identical to theAVC/HEVC SEI one, so only the envelope differs between the codecs
sei.CreateCTA608SEIMessagebuilds a CTA-608user_data_registered_itu_t_t35(type 4) SEI message from a
cc_data()structure, the encode-side counterpart ofsei.ExtractCTA608sei. Wrap it withavc.CreateSEINaluorhevc.CreateSEINalu.Supporting helpers:
sei.CTA608ITUData,sei.CreateCTA608Payload,sei.ITUData.Encodeandsei.ITUDataSizemjpgsample entry (JPEG image sequences, ISO/IEC 23008-12 Annex H)with the
jpgC(JPEGConfigurationBox) andfiel(field handling) boxes.mp4.TrakBox.SetMJpegDescriptorcreates an mjpg sample entry with an optional jpgC JPEG prefixmp4v(with esds JPEG object type,ISO/IEC 14496-14) and
jpeg(QuickTime), andEsdschild access inVisualSampleEntryBoxChanged
seiAPI:sei.CEA608sei,sei.ParseCEA608,sei.ExtractCEA608seiandsei.ITUData.IsCEA608becomesei.CTA608sei,sei.ParseCTA608,sei.ExtractCTA608seiandsei.ITUData.IsCTA608. This is a breaking change; theold names are gone
Fixed
66/77/88, symmetric with
Size()and decode (e.g. profile 244)in the new
DecConfRec.TrailingBytesfield instead of being droppedby clamping the length to 31 like ffmpeg does, instead of failing
hevc.ParseSEINaluandavc.ParseSEINaluon NAL units shorter thanthe codec's NAL unit header (e.g. an empty or single-byte HEVC SEI NALU);
such input now returns
ErrNotSEINalusei.DecodeUserDataRegisteredSEI,sei.ExtractCTA608seiandsei.ParseCTA608nolonger 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--versionoutput of the command line tools is rendered inUTC, so that a commit made close to midnight is no longer reported as the
neighbouring day for users west of UTC
Configuration
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