v0.40.0

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

v0.39.0

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

• 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

v0.38.1

Fixed

• ReadMP4File() failed when mfro not present

v0.38.0

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

v0.37.0

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

v0.36.0

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

v0.34.1

Fixed

• Only start new segment at start or styp box

v0.34.0

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

v0.35.0

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

v0.33.2

• restore parsing behavior for non-complete mdat box