Crate jxl_vardct

This crate provides types related to representation of VarDCT frames, such as varblock transform types, LF images, dequantization matrices and HF coefficients.

Actual decoding (dequantization and rendering) of such frames is not done in this crate.

Structs

• DequantMatrixSet
  A set of dequantization matrices.
• DequantMatrixSetParams
  Parameters for decoding DequantMatrixSet.
• HfBlockContext
  Context information for the entropy decoder of HF coefficients.
• HfCoeffParams
  Parameters for decoding HfCoeff.
• HfMetadata
  Data for decoding and rendering varblocks within an LF group.
• HfMetadataParams
  Parameters for decoding HfMetadata.
• HfPass
  HF coefficient decoder configuration.
• HfPassParams
  Parameters for decoding HfPass.
• LfChannelCorrelation
  Channel correlation data, used by chroma-from-luma procedure.
• LfChannelDequantization
  Dequantization information for each channel.
• LfCoeff
  Quantized LF image.
• LfCoeffParams
  Paramters for decoding LfCoeff.
• Quantizer
  Global quantizer multipliers.

Enums

• BlockInfo
  Varblock grid information.
• Error
• TransformType
  Varblock transform types.

Functions

• write_hf_coeff
  Decode and write HF coefficients from the bitstream.

Type Aliases

• Result