Struct BlockContextManager 

pub struct BlockContextManager {
    pub planes: [PlaneBlockContext; 3],
    pub mode_info: BlockModeInfo,
    pub mi_row: u32,
    pub mi_col: u32,
    pub above_ctx: Vec<u8>,
    pub left_ctx: Vec<u8>,
}

Manager for block-level context.

Fields

planes: [PlaneBlockContext; 3]

Plane contexts.

mode_info: BlockModeInfo

Current mode info.

mi_row: u32

Row in 4x4 units.

mi_col: u32

Column in 4x4 units.

above_ctx: Vec<u8>

Above mode info references.

left_ctx: Vec<u8>

Left mode info references.

Implementations

impl BlockContextManager

pub fn new(width_mi: u32, subx: bool, suby: bool) -> Self

Create a new block context manager.

pub fn set_position(&mut self, mi_row: u32, mi_col: u32, bsize: BlockSize)

Set current block position.

pub fn get_partition_context(&self, bsize: BlockSize) -> u8

Get context for partition.

pub fn get_above_ctx(&self, offset: u32) -> u8

Get above context value.

pub fn get_left_ctx(&self, offset: u32) -> u8

Get left context value.

pub fn update_context(&mut self, bsize: BlockSize)

Update context after decoding a block.

pub fn reset_left_context(&mut self)

Reset left context for new superblock row.

Trait Implementations

impl Clone for BlockContextManager

fn clone(&self) -> BlockContextManager

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BlockContextManager

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for BlockContextManager

fn default() -> Self

Returns the “default value” for a type.