All 'version-history' posts

• FLAC: Verify the correctness of CRC across frame headers

• MP4: Google's spatial media boxes (spatial audio + spherical video)
• MP4: Support for some boxes common for HEIC files
• MP4: 'elng', 'iods', 'prft' boxes support
• MP4: ES_ID_Inc, ES_ID_Ref descriptors support
• MP4: seig group description support
• MP4: Read descriptors for several streams defined in ISO/IEC 14496-14 ("odsm", "crsm", "sdsm", "m7sm", "ocsm", "ipsm", "mjsm")
• MPEG-TS: Parse the contents of IOD_descriptor
• MPEG-1/2 audio: ID3 parsing support
• AVC: Print video dimensions

• MPEG-H audio support
• AVCHD LPCM audio support
• Parse Dolby RPU data in AV1 streams
• ST2094-40 metadata parsing
• Chinese HDR dynamic metadata support (T/UWA 005.1-2022)
• Recognize DJI 'meta' and 'dbgi' streams
• Fix network files processing

• Improve file type detection
• MP4/MOV: Add 'esds' box handling
• MPEG-TS: Improve PSI tables detection
• AC-4: fix sync checking
• Small fixes for problems discovered by fuzzing

• HDMV PGS subtitles support
• Display TTML subtitle headers
• Recognize Teletext stream
• HEVC: sps_scc_extension, sps_3d_extension, sps_range_extension parsing
• MP4/MOV: Apple's stereo boxes description based on https://blog.mikeswanson.com/spatial
• SL-HDR SEI message support
• MPEG-TS: Add carousel_identifier_descriptor, association_tag_descriptor, deferred_association_tags_descriptor, T2_delivery_system_descriptor, target_region_descriptor, target_region_name_descriptor, URI_linkage_descriptor, related_content_descriptor, dvb_j_application_descriptor, dvb_j_application_location_descriptor support
• Display unknown PES data chunks
• SEI: MDPM data description
• MPEG-TS: Improve PSI sections detection
• DVB Subtitles: Fix alternative CLUT reading

• Add AVS2/AVS3 video support
• AVI subtitles support
• IVF format support
• Recognize AV1 in elementary OBU files
• Recognize VP8/VP9 video in MP4 containers
• PES: extended_stream_id handling
• MPEG-TS: DVB content_identifier_descriptor support
• Add dark theme & theme switching
• VP8: Fix width & height calculation

• Add DVB subtitles support
• Add SCTE-27 subtitles support
• Add drop-down menus for main UI panels
• mpegts: Fix first PSI section parsing if pointer_field is not zero
• mpegts: Fix error reporting for PSI tables with no stuffing

• Major UI rework (dockable panels, command palette, hex view, context menus)
• Search bytes/strings in the packet names or hex view
• MP4: Add box names/structure from "Apple HEVC Stereo Video Format additions"
• Print PES details (PTS/DTS/... presence) in the packet name
• Print TS details (adaptation_field/payload_unit_start/PCR/OPCR/... presence, TS PID) in the packet name
• Fix st2094_10 user data reading with ext_block_level == 2
• MP4: Add "rtmd" box name/recognition
• TS: Add S2_satellite_delivery_system_descriptor support
• RIFF: names for OpenDML chunks
• MKV: Fix reading of AVC/HEVC/VVC decoder configs
• AVC: Improve dec_ref_pic_marking_repetition parsing
• Extend number of known GUIDs in WAVE_FORMAT_EXTENSIBLE
• Recognize more video formats from VIDEOINFOHEADER

• VVC: support Picture Header parsing, improved PPS parsing
• MP4: update box names and sample entry names from ISO/IEC 14496-15
• MP4: support 'sync' and 'tscl' group description entries
• RIFF: add OpenDML AVI headers support
• AVI/MKV: print extra data in BITMAPINFOHEADER (if any)
• MPEG-TS: fix default_authority_descriptor parsing
• RIFF: fix stream assignment

• Support LOAS/LATM AAC wrapping
• Add FLAC audio support
• AV1: support 'metadata_obu'
• AAC: parse the beginning of AAC RAW packet
• Display 'sei_message' types in the header name for AVC/HEVC/VVC streams
• Recognize AnnexB streams stored in MP4 containers
• Improve streams detection algorithm
• More field descriptions for MPEG 1/2 Audio, AAC, AC-3 headers, MPEG-TS descriptors
• MPEG-TS: Support DVB 'message_descriptor', "metadata_pointer_descriptor", 'TTML_subtitling_descriptor'
• AVC: support 'frame_packing_assignment' SEI
• If (only) the type of the stream is known, display it as "Unknown Video", "Unknown Audio", etc
• MP4: Improve progress reporting for fragmented files
• ProRes: Fix parsing of interlaced streams

• Support 'spatial video' files shot by iPhone 15 Pro
• HEVC: parse 'three_dimensional_reference_displays_info' SEI, multilayer version of SPS, 'sps_multilayer_extension', 'pps_multilayer_extension' structures
• MP4/MOV: Support 'lhvC' box
• Visualization: show slice_type and layer_id (if not 0) in the header name for AVC/HEVC/VVC streams

• VP8, VP9, AV1 video streams parsing
• New formats supported: AVI, WAV, FLV
• Fragmented MP4 files support
• Extend parsing of AC-4 streams
• Display Dolby Vision RPU data headers
• Improve streams recognition, parsing performance
• Various fixes for problems discovered by fuzzy testing
• MP4: support 'chnl', 'albm', 'yrrc', 'loci', 'hnti', 'hinf' boxes
• More descriptions for AC-4, AC-4, MPEG 1/2 Video, AVC and HEVC elements
• Visualization: if raw bytes looks like a text, display them as a text

Additions:

• Matroska (MKV), WebM files support
• MP4: Add 'styp', 'saiz', 'saio', 'pssh', 'tenc','trep', 'dfLa', 'cslg', 'stps', 'sdtp' boxes support
• MP4: Display track references info ('tref' box)
• MP4: Display raw data chunks for some unsupported codecs
• SEI: ST2094-10 data, film_grain_characteristics, alpha_channel_info support
• SEI: Add support of AVCIntra data sei

Improvements:

• Improve streams recognition
• MP4: rework handling of NAL-based streams
• MP4: Improve performance of raw streams extraction, when there are a lot of small samples
• MP4: Display names for metadata items as numbered list

Fixes:

• MP4: Fix Timecode reading
• PES: Fix usage of tref_extension_flag
• HEVC: Fix crash on invalid array read
• RBSP: Fix corner case on reading
• MP4: Fix 'File Info' binding
• AVC: Fix mvc_vui_parameters_extension reading

Additions

• Add support of Timed Text ('tx3g', 'text' sample entries) in MP4/MOV files
• Add basic handling of AC-4 streams ('ac4_syncframe' only) in MP4 & TS files
• MPEG-TS: Support PSI tables & descriptors from ATSC A/65 standard, recognize all descriptors listed in DVB BlueBook A038r16
• Add descriptions for 'cc_type' 'active_format', 'video_format' fields
• Include PES packet type ('audio', 'video', private') to header name
• Add basic detection of MPEG Program / System Streams
• MP4/MOV: recognize more 'udta' boxes

Fixes

• Improve probe algorithm: better recognition of MP4, small TS files
• Fix freezing in some cases of H.264 parsing

Additions

• TS: SCTE-35 streams support (commands only, no descriptors yet)
• SEI: add ATSC cc_data/bar_data/afd_data support in itu35 registered SEI
• MP4: support various flavours of XDCAM (MPEG-2) video
• HEVC: time_code SEI support
• TS: MHP AIT transport_protocol_descriptor support
• MP4: support simple 'udta' boxes from 3GPP spec
• MP4: add 'av1C' (AV1CodecConfigurationBox), 'dOps' (OpusSpecificBox), 'dac4' (AC4SpecificBox) boxes support
• MP4: basic recognition of compressed movie atoms ('cmov', 'dcom', 'cmvd')
• Visualization: group long list of values into chunks of four items
• Visualization: print number of bytes in the utf8 string

Fixes

• TS: fix tag&length display for MHP AIT descriptors
• MP4: fix hvcC flags display
• Fix tables and arrays visualization

Color metadata, fragments, protection boxes in MP4. Updates from 2022 standard for MPEG-TS. SEI + APS for VVC.

• MP4: Support 'schm', 'sinf', 'schi', 'sgpd' 'sbgp', 'mehd', 'trex', 'sidx', 'mfhd', 'tfhd', 'tfdt', trun', 'mdcv', 'clli', 'cclv' boxes
• TS: Add new PMT stream_types and descriptors from ISO/IEC 13818-1:2022
• TS/MP4/AVC/HEVC/VVC: Add enum names for AspectRatio, ChromaFormat, ColourPrimaries, TransferCharacteristics, MatrixCoefficients and HDR_WCG_idc fields, human-friendly descriptions for luminance- and color-related fields
• TS: Add DOVI_video_stream_descriptor support
• TS: Recognise SCTE-35 streams, add 'cue_identifier_descriptor' support
• VVC: Add support for several SEI messages, list names for others
• VVC: APS header support, picture_header_structure draft
• HEVC: Add names for Dolby Vision "Unspecified 62" and "Unspecified 63" NAL units
• SEI: Add Kvazaar, Elemental info from SEI Unregistered messages
• RBSP reader for AVC/HEVC/VVC: Fix incorrect behavior in some corner cases

Detection of some unsupported formats to avoid representing them as 'broken' elementary streams, long-scroll helper element, few small improvements & fixes

• Basic detection of RIFF (*.avi and *.wav), EBML (Matroska, WebM), MXF files
• QT timecode tracks support
• MVC-related boxes and NAL units
• QuickTime: basic support for mebx (QT "Timed metadata") atoms
• Scroll Jog control to be able to scroll the list with constant (adjustable) speed
• Navigation Bar: Support negative values of file position and item indexes
• SEI: Display x264, x265, ATEME info from SEI unregistered, recognize MDPM info presence
• AVC: Fix scaling list parsing
• RBSP: Fix incorrect data reading in some edge cases causing incorrect reading of some AVC/HEVC/VVC headers
• HEVC: Fix short-term ref pics set parsing

New visual control element, reworked rendering engine, MP4/MOV improvements

• Add packet list navigator ("Go to header index", "Go to file position" commands)
• Improve packet list rendering for Firefox and Safari browsers
• MP4/MOV: Add 'meta', 'ilst' boxes support
• MP4/MOV: Fix DoviConfigurationBox ('dvcC') parsing
• MP4/MOV: Extend the list sample entry names
• MP4/MOV: Support 'btrt' box
• AC-3: Support headers with bsid < 8
• Fix UUID visualization
• Improve packet caching

Mostly MP4/MOV, few HEVC/VVC improvements

• MP4/MOV: Add support for ProRes, AC-3, E-AC-3 streams, raw video and audio chunks
• MP4/MOV: Add support for DolbyVision boxes
• MP4/MOV: Fix AAC Raw packet size displayed
• MP4/MOV: Display timecode sample entry contents
• HEVC: Add 'decoded_picture_hash' SEI
• HEVC, VVC: Fix stream displayed name
• More detailed error messages
• Add 'details' page
• Visual improvements

First public version. Some internal mechanics reworked

• MP4/MOV 'mdat' parsing for AAC/AVC/HEVC/VVC streams
• Advanced header parsing for AVC & HEVC, more details for VVC
• Many DVB descriptors and PSI tables added
• Visual improvements
• Performance improvements
• Stability improvements

First working prototype that is shared with a limited group of people. Not much to be proud of, but still useful for some tasks.

• Multiplexing Formats: MPEG-TS, MP4/MOV (basic atoms)
• Video Encodings: MPEG 1/2 Video (headers + details), AVC/HEVC/VVC (NAL Unit locations)
• Audio Encodings: MPEG 1/2 Audio, AAC, AC3, E-AC3 (headers + details)
• Packet filtering (by streams)