bmx

bmx Changelog

v1.6

Breaking changes

• None

Features

• Add bmxtranswrap --strip-anc <filter> option to set ANC data types to not pass through (https://github.com/bbc/bmx/pull/116)

Bug fixes

• None

Build changes

• None

v1.5

Breaking changes

• None

Features

• Enable support for RDD 6 (Dolby E Audio Metadata) in RDD 9 (Sony XDCAM) files (https://github.com/bbc/bmx/pull/112)

Bug fixes

• None

Build changes

• None

v1.4

Breaking changes

• None

Features

• Add support for the ARD ZDF XDF Multi Essence Location Style profile (https://github.com/bbc/bmx/pull/105)
• Detect more platform and architectures for the MXF Identification platform string (https://github.com/bbc/bmx/pull/84)
• Improve compliance of RDD 9 partition durations and sizes (https://github.com/bbc/bmx/pull/12)

Bug fixes

• Fix a missing file execute permission on the libMXF run test file script (https://github.com/bbc/bmx/pull/109)

Build changes

• None

v1.3

Breaking changes

• None

Features

• Add basic support for ANC / VBI frame wrapped in KLV for input into raw2bmx (https://github.com/bbc/bmx/pull/102)
• Add a --repeat-index option for RDD 9 (https://github.com/bbc/bmx/pull/96)
• Add support for AVC separate fields (https://github.com/bbc/bmx/pull/94)
• Improve reading growing files (https://github.com/bbc/bmx/pull/90)
• Add a reference to the Conan packages in the README (https://github.com/bbc/bmx/pull/81)
• Add MCA notes for IMF ADM Track Files (https://github.com/bbc/bmx/pull/75)
• Remove a general sample rate check in File Descriptors that was overly restrictive (https://github.com/bbc/bmx/pull/72)
• Set the MXF Descriptor Aspect Ratio from the value parsed from the MPEG-2 video bitstream (https://github.com/bbc/bmx/pull/67)
• Include item and set key in low-level read error messages (https://github.com/bbc/bmx/pull/65)
• MXFDump dumps Generic Stream Partition Packs (https://github.com/bbc/bmx/pull/64)
• Tolerate Track Number not equalling 0x01 in Timed Text essence element keys (https://github.com/bbc/bmx/pull/62)
• Add a link to the RDD 6 XML Creator (https://github.com/bbc/bmx/pull/61)
• Document adding UUIDs to IMF filenames (https://github.com/bbc/bmx/pull/59)
• Speed improvement for parsing DV, RDD 36 (ProRes), JPEG XS and VC3 formats by using bitstream information about the frame size (https://github.com/bbc/bmx/pull/54)
• Add support for JPEG XS video (https://github.com/bbc/bmx/pull/48)

Bug fixes

• Fix failure to support variable size ANC / VBI alongside variable size video (https://github.com/bbc/bmx/pull/103)
• Enable precharge and postroll in AVC Long GOP and fix the system timecode when there is precharge (https://github.com/bbc/bmx/pull/100)
• Fix missing commandline output file arg in docs (https://github.com/bbc/bmx/pull/93)
• Handle EMU protection bytes in skipped PIC timing SEI payload in h264dump (https://github.com/bbc/bmx/pull/89)
• Fix various errors found using -fsanitize (https://github.com/bbc/bmx/pull/79)
• Fix index out of bounds error in MXFDump (https://github.com/bbc/bmx/pull/76)
• Accept the correct the name for the ProRes 4444 XQ commandline option, --rdd36_4444_xq, in addition to the old incorrect name --rdd36_4444_hq (https://github.com/bbc/bmx/pull/68/files)
• Set OP1a / RDD 9 default Index Table entry array element flag to 0x80 (random access) to match spec. This effects VC2, Timed Text, RDD 36 and data essence types. (https://github.com/bbc/bmx/pull/63)

Build changes

• Treat implicit function declarations in C as errors (https://github.com/bbc/bmx/pull/78)
• Remove the fixed -O2 compile flag (https://github.com/bbc/bmx/pull/73)
• Only set C++11 as a minimum requirement, allowing newer versions to be used (https://github.com/bbc/bmx/pull/71)
• Add a compatibility fix for building using C++20 (https://github.com/bbc/bmx/pull/69)

v1.2

Breaking changes

• None

Features

• Add support for a templated output filename that can automatically follow IMF file naming conventions (https://github.com/bbc/bmx/pull/6)
• Various improvements to file access over HTTP (https://github.com/bbc/bmx/pull/9 and https://github.com/bbc/bmx/pull/15)
• Write app usage messages to stdout for less, and show a shortened usage on error (https://github.com/bbc/bmx/pull/20)
• Add precharge and rollout properties to the mxf2raw output (https://github.com/bbc/bmx/pull/26 and https://github.com/bbc/bmx/pull/41)
• Extract colormetry properties from AVC-Intra bitstreams (https://github.com/bbc/bmx/pull/29)
• Improve descriptor property guesses for RDD 36 / 44 (ProRes) (https://github.com/bbc/bmx/pull/32)
• Don’t include the manufacturer attribute in RDD 6 XML output (https://github.com/bbc/bmx/pull/42)
• Add provisional support for ADM and other audio metadata RIFF chunks in MXF (https://github.com/bbc/bmx/pull/51)

Bug fixes

• Various updates to improve compliance with RDD 36 / 44 (ProRes) (https://github.com/bbc/bmx/pull/25)
• Ensure all Index Table Segments have been written (in separate Partitions) before repeating in the Footer Partition (https://github.com/bbc/bmx/pull/31 and https://github.com/bbc/bmx/pull/35)
• Stricter commandline option processing to help avoid misinterpretation (https://github.com/bbc/bmx/pull/40)
• Increase the KLV Fill at the end of the Header Partition to ensure minimum requirements are met (https://github.com/bbc/bmx/pull/43)

Build changes

• Fix the git version returned by bmx (https://github.com/bbc/bmx/pull/8)
• Fix the include path used for the uuid library (https://github.com/bbc/bmx/pull/19)
• Improve static library builds and add the git version code to the bmx libraries (https://github.com/bbc/bmx/pull/16)
• Add ARGS to the Dockerfile to allow customisation of cmake config options (https://github.com/bbc/bmx/pull/21)
• Move the libMXF and libMXF++ code into the bmx deps/ folder and archive the repos (https://github.com/bbc/bmx/pull/27)
• Build improvements to support MacOS and different Windows runtime libraries (https://github.com/bbc/bmx/pull/46)
• Use gnuinstalldirs and don’t limit pkg-config generation (https://github.com/bbc/bmx/pull/47 and https://github.com/bbc/bmx/pull/49)

v1.1

Breaking changes

• None

Features

• Moved to cmake build system (PR 3)
  • Replaced absolute source file paths in log messages to relative file paths
  • Interpret forward slash as backward slash in Windows file URIs
  • Generate library version from git tag

Bug fixes

• MPEG-2 LG 576i: fix coding equations and remove signal standard and transfer characteristic
• Fixed various build warnings and memory deallocs as part of cmake build change

Snapshot 2022-08-31 (v0.1)

Features

• Add IMF flavour for outputting SMPTE ST 2067-2 IMF Track Files
• Add various options to support IMF Track Files
• Support arbitrary audio durations (not video frame aligned) when transwrapping to audio-only files
• Support additional MCA label properties
• Add limited OP1a support for MPEG2 Long GOP 576i
• Add --check-end-tolerance bmxtranswrap option to allow for shorter duration

Bug fixes

• Default to singlemca track layout for clip-wrapped audio
• Fix temporal offsets for AVC long GOPs (commit 8285326)
• Various index table fixes

Snapshot 2021-07-07

Features

• OP-1A: add support for JPEG 2000.
• D-10: handle KLV wrapped D-10 video originating from Quicktime.
• Add a Dockerfile for creating Docker images.
• AS-11: add and update labels for X1, X5, X6 and X9.
• raw2bmx: add support for pipes.
• OP1a: add support for IMSC 1 Timed Text.
• movdump: various updates and fixes.
• Avid: add support for AVC / H.264.
• bmxtranswrap/raw2bmx: add KAG size and AES-3 flavour options.

Bug fixes

• Apply KAG after the Primer Pack.
• Avid: fix physical source track count for multichannel audio.

Snapshot 2017-08-14

Features

• Add support for SMPTE RDD-36 (ProRes) in OP-1A
• RDD-6: support frame rates other than 25 Hz
• AS-11: change header metadata fill size to 4 MB

Bug fixes

• D-10: set Locked property to ‘true’ by default
• RDD-9: include all descriptor properties listed in RDD-9
• align generic stream partition to KAG

Snapshot 2017-01-17

Features

• AS-11: update specification labels following specification status updates
• AS-11: change ‘Programme’ to ‘Program’ in MCA label names
• AS-11: allow no Channel ID label property in audio tracks containing a single audio channel
• AS-11: add unused audio channel label
• VC-2: merge branch into master
• Avid/raw2bmx: support auxiliary timecode tracks
• reinstate legacy AVC-Intra label names for Ingex player
• bmxtimecode: replace –drop/non-drop with –output parameter
• AVC: map HLG label from AVC bitstream

Bug fixes

• AVC-Intra: don’t attempt to parse AVC when there is no SPS+PPS
• mxf2raw: fix incomplete BBC Archive data model
• movdump: fix printing >32-bit atom sizes for files truncated to <32-bit size

Snapshot 2016-07-05

Features

• raw2bmx supports same AS-11 functionality as bmxtranswrap
• add option to set / override various AVC MXF descriptor properties
• merged-in the AVC branch
• add embedded XML support to RDD-9/D-10
• add MCA label support to RDD-9
• add AS-11 X7 and X8 labels
• changed the meaning of the ‘repeat’ option in MCA labels definition file
• add audio channel assignment label support to RDD-9
• support track mapping to all clip types
• support silence channels and tracks in track mapping
• support drop frame timecode in AS-11 segmentation definition file
• add option to set MXF header metadata filler size
• added the bmxtimecode utility

Bug fixes

• fix RP2057 scheme label version byte
• apps: remove bogus AS-10 “Unknown framework…” warning
• h264dump: fix dpb_output_delay property name

Snapshot 2016-03-30

Features

• preliminary support for AMWA AS-11 X1 to X4. The variants that don’t use RP 2057 AVC-Intra, e.g. Long GOP, require the ‘avc’ branch.
• support for AMWA AS-10
• support for embedding XML / text objects (SMPTE RP 2057)
• support for multi-channel audio tracks and labels (SMPTE ST 377-4)
• support for reading non-seekable MXF streams containing AVC-Intra or D-10
• support for memory-mapped MXF file access in Visual C++ builds only
• bmxparse application showing raw essence properties extracted by the essence parser classes
• default Material Package Track Number is now 0. The AMWA AS-02 and AS-11 UK DPP flavours set it to a non-zero value
• removed frame rate restrictions from VC-3 (Avid DNxHD)
• apps: add options to disable tracks by type
• avid: always output display and sampled x/y offset properties
• mxf2raw: show display x/y offset if present in file

Bug fixes

• mxf2raw: fix UL/UUID detection for the URN text representation
• h264dump: fix buffering period SEI parsing
• avid: include pre-charge in physical source package timecode calculation

Notes

• raw2bmx is currently missing some of the AS-11 X1 to X4 functionality, including MCA labelling. The workaround it to wrap the raw essence first using raw2bmx and then re-wrap using bmxtranswrap.

Snapshot 2015-06-03

Features

• support AVC-Intra Class 200
• add RIP to D-10 flavour
• RDD-9 flavour supports ANC and VBI data, SMPTE ST 436
• add basic (not optimised) file access over HTTP (Linux only)
• RDD-6 XML: change linear level to dB levels and change dialnorm to a signed value
• add support for VC-3 1244, 1258, 1259 and 1260 compression schemes
• apps: add option to set Material Package Track Number to 0
• apps: change default flavour to OP-1A
• bmxtranswrap: option to copy across AS-11 descriptive metadata
• bmxtranswrap: support stdin as input
• raw2bmx: assume variable D-10 input frame sizes and add option to override
• raw2bmx: support multi-channel raw PCM inputs
• mxf2raw: default to showing information if no options are provided
• h264dump: show rbsp_stop_one_bit info
• movdump: add stbl soun output

Bug fixes

• AS-11: fix Track ID clash between data track (e.g. ST 436) and DM tracks
• mxf2raw: fixed display x/y offset to be a 32-bit signed integer
• mxf2raw: fix –file-chksum-only output
• avoid recursive Source Clips references and check for duplicate Package identifiers
• MSVC: updates to support msbuild usage
• movdump: use _stati64 to fix large file support on Windows

Snapshot 2014-11-25

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