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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning

Unreleased

Changed

  • CreatePrftBox now takes flags parameter
  • PrftBox Info output
  • Removed ReplaceChild method of StsdBox
  • CreateHdlr name for timed metadata

Added

  • NTP64 struct with methods to convert to time.Time
  • Constants for PrftBox flags
  • Unittest to all commands and examples

Fixed

  • Allow missing optional DecoderSpecificInfo
  • Avoid mp4.File.Mdat pointing to an empty mdat box
  • cmd/mp4ff-encrypt did not parse command line
  • SeigSampleGroupEntry calculated skipBytes incorrectly
  • cmd/mp4ff-pslister did not parse annex B HEVC correctly
  • error when decrypting and re-encrypting a segement (issue #378)

Removed

  • Too specific functions DumpWithSampleData and Fragment.DumpSampleData

0.46.0 - 2024-08-08

Fixed

  • mvhd, tkhd, and mdhd timestamps were off by one day
  • allow other sbgp and sgpd types than seig with senc

Added

  • mvhd, tkhd, and mdhd methods to set and get creation and modification times
  • Event Message boxes evte, emib, emeb
  • GetBtrt method to StsdBox
  • Btrt pointer attribute in AudioSampleEnntry
  • stpp can be used as value to CreateEmptyTrak

0.45.1 - 2024-07-12

Added

  • Box decoder error messages include start position

Fixed

  • Overflow in calculating sample decode time
  • elng box errononously did not include full box headers

0.45.0 - 2024-06-06

Changed

  • minimum Go version 1.16.
  • ioutil imports replaced by io and os imports
  • Info (mp4ff-info) output for esds boxes
  • API of descriptors
  • Parsing and info output for url boxes

Fixed

  • support for parsing of hierarchical sidx boxes
  • handling of partially bad descriptors
  • handle url boxes missing mandatory zero-ending byte

Added

  • support for ssix box
  • support for leva box
  • details of descriptors as Info outout (mp4ff-info)

0.44.0 - 2024-04-19

Added

  • New TryDecodeMfro function
  • New mp4ff-subslister tool replacing mp4ff-wvttlister. It supports wvtt and stpp
  • File.UpdateSidx() to update or add a top level sidx box for a fragmented file
  • mp4.DecStartSegmentOnMoof flag to make the Decoder interpret every moof as a new segment start, unless styp, sidx, or mfra boxes give that information.
  • New example add-sidx shows how on can add a top-level sidx box to a fragmented file. It further has the option to remove unused encryption boxes, and to interpret each moof box as starting a new segment.
  • New method MoovBox.IsEncrypted() checks if an encrypted codec is signaled

Fixed

  • More robust check for mfro at the end of file
  • GetTrex() return value
  • Can now write PIFF uuid box that has previously been read
  • Does now avoid the second parsing of senc box if the file is ot encrypted as seen in moov box.

Removed

  • mp4ff-wvttlister tool removed and replaced by mp4ff-subslister

0.43.0 - 2024-04-04

Added

  • InitSegment.TweakSingleTrakLive changes an init segment to fit live streaming
  • Made bits.Mask() function public
  • New counter methods added to bits.Reader
  • colr box support for nclc and unknown colour_type
  • av01, encv, and enca direct pointers in stsd

Changed

  • All readers and writers in bits package now stop working at first error and provides the first error as AccError()
  • Renamed bits.AccErrReader, bits.AccErrEBSPReader, bits.AccErrWriter to corresponiding names without AccErr
  • Renamed bits.SliceWriterError to bits.ErrSliceWrite
  • colr box supports unknown colrType

Fixed

  • kind box full-box header
  • stpp support when the optional fields do not have a zero-termination byte
  • mp4ff-wvttlister now lists all boxes in a sample

0.42.0 - 2024-01-26

Fixed

  • Support avc3 sample description when encrypting
  • Full ProfileLevelTier parsing for HEVC
  • Make pssh UUID comparison case-insensitive

Added

  • W3C Common PSSH Box UUID
  • HEVC PicTiming SEI message parsing
  • JSON marshaling of AVC PicTiming SEI message

0.41.0 - 2024-01-12

Added

  • Support for decrypting PIFF-encrypted segments

Fixed

  • Parsing of AVCDecoderConfigurationRecord
  • Parsing of time offset in AVC PicTiming SEI
  • Set senc.perSampleIVSize properly

0.40.2 - 2023-11-17

Fixed

  • Test of AVC PicTiming SEI with cbpDbpDelay set
  • mp4ff-nallister has nicer output for annexb streams
  • mp4ff-nallister handles AVC PicTiming SEI with cbpDbpDelay set

0.40.1 - 2023-11-01

Fixed

  • Swap of parameters in mp4ff-decrypt

0.40.0 - 2023-10-28

Added

  • New CLI app: mp4ff-encrypt to encrypt segments
  • New CLI app: mp4ff-decrypt to decrypt segments
  • New encyption-related functions in mp4
    • GetAVCProtectRanges to fine protection ranges for AVC video
    • CryptSampleCenc for encrypting of decrypting with cenc scheme
    • EncryptSampleCbcs - for encrypting with cbcs scheme
    • DecryptSampleCbcs - for decrypting with cbcs scheme
    • InitProtect to protect an init segment
    • EncryptFragment to encrypt a fragment
    • DecryptInit to extract and remove decryption info from an init segment
    • DecryptFragment to decrypt a fragment
    • ExtractInitProtect to generate data needed for encryption
  • AccErrEBSPReader.NrBitsRead method
  • PsshBoxesFromBase64 and PsshBoxesFromBytes functions

Fixed

  • SPS.ChromaArrayType method
  • Makefile now builds all CLI applications with version
  • DecryptInit extracts pssh boxes

Changed

  • Removed examples/decrypt-cenc and instead made cmd/mp4ff-decrypt

0.39.0 - 2023-10-13

Changed

  • TfraEntry Time and MoofOffset types changed to unsigned
  • TfraEntr attribute name SampleDelta corrected to SampleNumber

Added

  • MediaSegment and Fragment have new StartPos attribute
  • mp4.File now has Mfra pointer
  • MfraBox has new method FindEntry
  • MediaSegment, Fragment, and Trun method CommonSampleDuration
  • Added two MSS UUID constants

Fixed

  • fix AVC slice header parsing #272
  • mp4ff-wvttlister works with Unified Streaming wvtt ismt file
  • Fragment.GetFullSamples() allows tfdt to be absent
  • Fragment.GetFullSamples() defaults to offset being moof
  • mp4ff-wvttlister works for Unified Streaming wvtt asset
  • mp4crop now crops elst entries
  • mp4crop now handles multiple sample durations correctly
  • HEVC SPS parsing details

0.38.1 - 2023-09-22

Fixed

  • ReadMP4File() failed when mfro not present

0.38.0 - 2023-09-06

Added

  • Loudness boxes ludt, tlou, and alou
  • Description boxes desc, ©cpy, ©nam, ©ART boxes
  • GenericContainerBox struct
  • new DecFileFlags provide option to DecodeFile to look for mfra box

Changed

  • Made ©too use GenericContainerBox
  • SidxBox got new attribute AnchorPoint

Fixed

  • DecodeFile uses sidx or mfra data to find segment boundaries

0.37.0 - 2023-08-14

Added

  • Pointer to stpp sample entry in StsdBox
  • Doc strings for pointers in StsdBox

Fixed

  • discard of parsing HEVC SPS data
  • SttsBox.GetSampleNrAtTime now supports a final zero sample duration

0.36.0 - 2023-06-07

Changed

  • SEI NAL unit parser reports ErrRbspTrailingBitsMissing error together with NAL units
  • mp4ff-nallister reports error and SEI data when rbsp_trailing_bits are missing
  • AVC SPS HRD parameter name corrected to DpbOutputDelayLengthMinus1

Fixed

  • Add WriteFlag method to SliceWriter interface (present in FixedSliceWriter)
  • Parsing of AVC SEI pic_timing with HRD parameters
  • mp4ff-nallister handles AVC SEI pic_timing with HRD parameters if SPS is present
  • fix error in TimeOffset output of SEI 136

Added

  • Support for SEI message 1 pic_timing for AVC
  • Example combine-segs that shows how to multiplex init and media segments into multi-track segments

0.35.0 - 2023-04-18

Fixed

  • stpp box handles optional empty lists properly (a single zero byte)
  • AVC slice size value

Added

  • Exported function: bits.CeilLog2
  • PPS parsing for HEVC
  • mp4ff-pslister now provides PPS details for HEVC
  • mp4ff-pslister now extracts inband parameter sets in progressive mp4 files
  • Complete parsing of HEVC SPS extensions
  • Parsing of HEVC slice header
  • SetType method for mp4.AudioSampleEntryBox

0.34.1 - 2023-03-09

Fixed

  • Only start new segment at start or styp box

0.34.0 - 2023-02-28

Added

  • New function: mp4.NewMediaSegmentWithStyp()
  • Associate emsg boxes with fragments
  • New Fragment method: AddEmsg()
  • colr box support
  • CHANGELOG.md (this file) instead of Versions.md
  • More tests

Fixed

  • Bugs in FixedSliceReader: ReadUint24 and LookAhead

Changed

  • Optimized translation from Annex B (start-code separated) video byte streams into length-field separated one
  • Output of cenc example changed with styp boxes not included
  • ADTS parsing somewhat more robust
  • LastFragment() returns nil if no fragment in Segment
  • Makefile target coverage

0.33.2 - 2023-01-26

Changed

  • Restored parsing of non-complete mdat box to v0.33.0 behavior, where a partial mdat box is not an error

0.33.1 - 2023-01-25

Fixed

  • Added missing parsing of sps_scaling_list_data_present_flag in HEVC SPS

0.33.0 - 2023-01-25

Added

  • Support QuickTime meta box as well as ISOBMFF meta box
  • New possibility to disable parsing of specific boxes

0.32.0 - 2023-01-05

Changed

  • Moved repo to github.com/Eyevinn/mp4ff

Deprecated

  • The github.com/edgeware package path (but redirected by GitHub)

0.31.0 - 2022-12-28

Changed

  • Support multiple sidx
  • Optimize stsc lookups
  • New return type for NewNaluArray

Fixed

  • Fixed bugs in prft, adts and avc interlace

0.30.1 - 2022-11-06

Fixed

  • Fixed optimized sample copying bug introduced in v0.30.0

0.30.0 - 2022-11-04

Added

  • Full AVC slice header parsing.
  • Complete set of AVC and HEVC SEI message detection
  • Parsing of some SEI messages (136, 137, 144)
  • Write of SEI message (#182)
  • Optimizations in ctts and sample copying
  • More byte stream methods
  • mp4ff-pslister can now work on mp4 segments
  • New functions for extracting NALUs for AVC and HEVC
  • Optimized ctts lookup
  • Optimized file.CopySampleData output allocations

Fixed

  • mp4ff-nallister NALU output
  • emsg parsing
  • HEVC nalu array bug
  • Overflow in tfdt time (#177)

0.29.0 - 2022-06-21

Changed

  • Improved uuid box handling
  • Improved esds box and underlying descriptor handling
  • Extended decryption example with cbcs encryption
  • Improved the decryption example with in-place cenc decryption

0.28.0 - 2022-05-12

Added

  • Full HEVC SPS parsing

Changed

  • Better video sample entry generation
  • More AC-3/EC-3 support.
  • Extended EBSPWriter
  • Optimize: struct field alignments in bits package

Fixed

  • sdtp reference in StblBox
  • decrypt-cenc example
  • mp4ff-crop bad command line parameters

0.27.0 - 2022-03-06

Added

  • New more efficient SliceReader/SliceWriter based Box methods
  • AC-3 and Enhanced AC-3 support

Changed

  • Public trun flag bits
  • Public DecodeHeader method and BoxHeader structure
  • mp4ff-nallister now takes Annex B byte stream
  • mp4ff-pslister now takes Annex B byte stream and prints codec string

Fixed

  • mp4ff-crop stss bug
  • ffmpeg data box decode
  • stsz uniform size decode

0.26.1 - 2022-01-14

Fixed

  • Don't move trak boxes to be before mvex

0.26.0 - 2022-01-13

Added

  • New tool mp4ff-crop for cropping mp4 file
  • New example decrypt-cenc for decrypting segment
  • SEI parsing for H.264
  • Interpret timestamps in mvhd, tkhd, and mdhd

0.25.0 - 2021-10-04

Added

  • Size() methods added to InitSegment, Fragment and MediaSegment
  • SampleIntervals for more efficient transformation of segments
  • Slices of samples and fullsamples
  • Create init segments for wvtt and stpp

Changed

  • Improvements to ctts and stts boxes
  • Changed sample slices to remove pointers
  • Spell out compositionTimeOffset instead of cto
  • More efficient code to check for AVC and HEVC parameter sets

0.24.0 - 2021-06-26

Added

  • Support for cslg and ©too boxes

Changed

  • DecodeFile API change to allow for lazy mdat decode
  • segmenter example extension with lazy mode for decode and encode
  • StssBox.IsSyncSample thread safe

0.23.1 - 2021-05-20

Fixed

  • Fixed segment encode mode without optimization

0.23.0 - 2021-04-30

Changed

  • API change: Verbatim encode more flexible with FragEncMode and EncOptimize

0.22.0 - 2021-04-23

Added

  • Construct AVC and HEVC codec strings from SPS

Changed

  • More robust parsing of ADTS

0.21.1 - 2021-03-24

Fixed

  • Allow ADTS ID corresponding to MPEG-2

0.21.0 - 2021-03-18

Added

  • Version number can be retrieved from cmd apps and from mp4 library.

Changed

  • Updated version is inserted as cmd apps are built using top-level Makefile.

0.20.0 - 2021-03-09

Added

  • New tool mp4ff-pslister for SPS and other parameter sets

0.19.0 - 2021-03-08

Added

  • Added mfra, mfro, tfra boxes
  • Added kind, trep, skip, ilst boxes

Fixed

  • Fix for double trun-optimization

0.18.0 - 2021-01-26

Added

  • New tool mp4ff-wvttlister lists details of wvtt (WebVTT in ISOBMFF) samples
  • More functions and methods for HEVC video handling

Fixed

0.17.1 - 2021-01-19

Fixed

  • Fixed bugs in encoding/decoding hvcC box and HEVCDecoderConfigurationRecord

0.17.0 - 2021-01-15

Added

  • Support for HEVC/H.265 video parsing and encoding of boxes.
  • New tool mp4ff-nallister to list nal units inside video samples in MP4 files.
  • Support for multi-track fragmented files including new example
  • Support for some new boxes: meta, udta, pasp, clap

Changed

  • mp4ff-pslister updated to support HEVC and reading parameter sets from byte streams and hex strings
  • Improvements to Info output from mp4ff-info

0.16.2 - 2021-01-05

Fixed

  • Fixed and clarified that sample number starts at one

0.16.1 - 2021-01-04

Fixed

  • Fixed isNonSync flag definition
  • Use sdtp entries and transfer to sample flags in segmenter example

0.16.0 - 2020-12-31

Added

  • New tool mp4ff-info prints details of a hierarchy of boxes. Has configurable levels of details
  • Many new boxes: saio, saiz, enca, encv, frma, schm, schi, sinf, tenc, sbgp, sgpd, sdtp
  • Support for writing largesize mdat box, even for smaller sizes
  • Support for adts encode and decode

Changed

  • Much more detailed box info via recursive Info method
  • Better tests vs golden files that can be updated with -update flag
  • More error robustness in aac reading with new AccErrReader
  • Replaced some panic calls with return of errors

0.15.0 - 2020-12-09

Changed

  • API for AVC video to to allow multiple SPS.
  • Some more NALU types identified.

Fixed

  • Bug in handling of start-code emulation prevention bytes

0.14.0 - 2020-12-09

Added

  • AVC Byte stream (Annex B) support

0.13.0 - 2020-11-17

Fixed

  • Removed non-standard log package dependency

0.12.0 - 2020-11-17

Changed

  • Complete parsing of AVC (H.264) SPS and PP

0.11.1 - 2020-11-13

Fixed

  • Made SPS parser more robust

0.11.0 - 2020-11-13

Added

  • Lots of stuff

0.10.1 - 2020-09-23

Fixed

  • First sample-flag in trun and traf boxes

0.10.0 - 2020-09-03

Added

  • First release tag on GitHub
  • Lots of stuff

Changed

  • New unique repo name: mp4ff