dovi_meta

dovi_meta is a CLI tool for creating Dolby Vision XML metadata from an encoded deliverable with binary metadata.

Building

Toolchain

The minimum Rust version to build dovi_meta is 1.79.0.

Release binary

To build release binary in target/release/dovi_meta run:

cargo build --release

Usage

dovi_meta [OPTIONS] <SUBCOMMAND>

To get more detailed options for a subcommand

dovi_meta <SUBCOMMAND> --help

All options

• --help, --version

All subcommands

Currently, the available subcommand is convert and edl.

More information and detailed examples for the subcommands below.

• convert

  Convert a binary RPU to XML Metadata (DolbyLabsMDF).

  • Currently, it should support RPU with any Dolby Vision profile using PQ as EOTF.
  • Supported XML Version: CM v2.9 (v2.0.5), CM v4.0 (v4.0.2 and v5.1.0)
    • The output version is determined by input automatically.

  Arguments

  • INPUT Set the input RPU file to use
    • No limitation for RPU file extension.
  • OUTPUT Set the output XML file location
    • When OUTPUT is not set, the output file is metadata.xml at current path.

  Options

  • -s, --size Set the canvas size. Use x as delimiter
    • Default value is 3840x2160
  • -r, --rate Set the frame rate. Format: integer NUM or NUM/DENOM
    • Default value is 24000/1001
  • -t, --skip Set the number of frames to be skipped from start
    • Default value is 0
  • -n, --count Set the number of frames to be parsed explicitly

  Flags

  • -6, --use-level6 Use MaxCLL and MaxFALL from RPU, if possible
    • It's not a default behavior, as ST.2086 metadata is not required for a Dolby Vision deliverable.
  • -d, --drop-per-frame Drop per-frame metadata in shots
  • -k, --keep-offset Keep the offset of frames when --skip is set

  Example to get metadata for RPU from a 29.97 fps HD video, dropping first 24 frames:

  dovi_meta convert RPU.bin metadata.xml --skip 24 --rate 30000/1001 --size 1920x1080

  The default color encoding is BT.2020 PQ 16-bit RGB Full Range.

  The default color space of mastering display and target displays (except the anchor target) is P3 D65 for CM v2.9 XML, also for CM v4.0 XML when it can't be determined by input.

• edl

  Convert a binary RPU to EDL (Edit Decision List).

  • Currently, the per-frame metadata in RPU is not parsed to transition.

  Arguments

  • INPUT Set the input RPU file to use
    • No limitation for RPU file extension.
  • OUTPUT Set the output XML file location
    • When OUTPUT is not set, the output file is metadata.edl at current path.
  • CLIP_NAME Set the clip name in EDL
    • If there are too many cuts to be saved in a single file, multiple files will be saved with a suffix added to the file name.

  Options

  • -r, --rate Set the frame rate. Format: integer NUM or NUM/DENOM
    • Default value is 24000/1001
  • -s, --start-timecode Set the starting timecode in timeline. Format: HH:MM:SS:FF or integer FRAMES offset
    • Default value is 01:00:00:00
  • -t, --skip Set the number of frames to be skipped from start
    • Default value is 0
  • -n, --count Set the number of frames to be parsed explicitly

  Flags

  • -f, --force Force output even if per-frame RPU is detected

Notes

The current build only support RPU as input. To extract RPU from an HEVC file, see dovi_tool for more info.

Build artifacts can be found in the GitHub Actions.
More features may or may not be added in the future. Please report an issue if you have any question.